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---
defaults:
defaults: &defaults
working_directory: '/go/src/github.com/influxdata/telegraf'
environment:
GOFLAGS: -p=8
go-1_13: &go-1_13
docker:
- image: 'quay.io/influxdb/telegraf-ci:1.13.11'
go-1_14: &go-1_14
docker:
- image: 'quay.io/influxdb/telegraf-ci:1.14.3'
mac: &mac
macos:
xcode: 11.3.1
working_directory: '~/go/src/github.com/influxdata/telegraf'
environment:
HOMEBREW_NO_AUTO_UPDATE: 1
GOFLAGS: -p=8
version: 2
jobs:
deps:
<<: [ *defaults, *go-1_14 ]
steps:
- checkout
- restore_cache:
key: go-mod-v1-{{ checksum "go.sum" }}
- run: 'make deps'
- run: 'make tidy'
- save_cache:
name: 'go module cache'
key: go-mod-v1-{{ checksum "go.sum" }}
paths:
- '/go/pkg/mod'
- persist_to_workspace:
root: '/go'
paths:
- '*'
macdeps:
<<: [ *mac ]
steps:
- checkout
- restore_cache:
key: mac-go-mod-v1-{{ checksum "go.sum" }}
- run: 'brew install go@1.13'
- run: 'make deps'
- run: 'make tidy'
- save_cache:
name: 'go module cache'
key: mac-go-mod-v1-{{ checksum "go.sum" }}
paths:
- '~/go/pkg/mod'
- '/usr/local/Cellar/go'
- '/usr/local/bin/go'
- '/usr/local/bin/gofmt'
- persist_to_workspace:
root: '/'
paths:
- 'usr/local/bin/go'
- 'usr/local/Cellar/go'
- 'usr/local/bin/gofmt'
- 'Users/distiller/go'
test-go-1.13:
<<: [ *defaults, *go-1_13 ]
steps:
- attach_workspace:
at: '/go'
- run: 'make'
- run: 'make test'
test-go-1.13-386:
<<: [ *defaults, *go-1_13 ]
steps:
- attach_workspace:
at: '/go'
- run: 'GOARCH=386 make'
- run: 'GOARCH=386 make test'
test-go-1.14:
<<: [ *defaults, *go-1_14 ]
steps:
- attach_workspace:
at: '/go'
- run: 'make'
- run: 'make check'
- run: 'make check-deps'
- run: 'make test'
test-go-1.14-386:
<<: [ *defaults, *go-1_14 ]
steps:
- attach_workspace:
at: '/go'
- run: 'GOARCH=386 make'
- run: 'GOARCH=386 make check'
- run: 'GOARCH=386 make test'
test-go-1.13-darwin:
<<: [ *mac ]
steps:
- attach_workspace:
at: '/'
- run: 'make'
- run: 'make check'
- run: 'make test'
package:
<<: [ *defaults, *go-1_14 ]
steps:
- attach_workspace:
at: '/go'
- run: 'make package'
- store_artifacts:
path: './build'
destination: 'build'
release:
<<: [ *defaults, *go-1_14 ]
steps:
- attach_workspace:
at: '/go'
- run: 'make package-release'
- store_artifacts:
path: './build'
destination: 'build'
nightly:
<<: [ *defaults, *go-1_14 ]
steps:
- attach_workspace:
at: '/go'
- run: 'make package-nightly'
- store_artifacts:
path: './build'
destination: 'build'
workflows:
version: 2
check:
jobs:
- 'macdeps':
filters:
tags:
only: /.*/
- 'deps':
filters:
tags:
only: /.*/
- 'test-go-1.13':
requires:
- 'deps'
filters:
tags:
only: /.*/
- 'test-go-1.13-386':
requires:
- 'deps'
filters:
tags:
only: /.*/
- 'test-go-1.14':
requires:
- 'deps'
filters:
tags:
only: /.*/
- 'test-go-1.14-386':
requires:
- 'deps'
filters:
tags:
only: /.*/
- 'test-go-1.13-darwin':
requires:
- 'macdeps'
filters:
tags: # only runs on tags if you specify this filter
only: /.*/
- 'package':
requires:
- 'test-go-1.13'
- 'test-go-1.13-386'
- 'test-go-1.14'
- 'test-go-1.14-386'
- 'release':
requires:
- 'test-go-1.13'
- 'test-go-1.13-386'
- 'test-go-1.14'
- 'test-go-1.14-386'
filters:
tags:
only: /.*/
branches:
ignore: /.*/
nightly:
jobs:
- 'deps'
- 'test-go-1.13':
requires:
- 'deps'
- 'test-go-1.13-386':
requires:
- 'deps'
- 'test-go-1.14':
requires:
- 'deps'
- 'test-go-1.14-386':
requires:
- 'deps'
- 'nightly':
requires:
- 'test-go-1.13'
- 'test-go-1.13-386'
- 'test-go-1.14'
- 'test-go-1.14-386'
triggers:
- schedule:
cron: "0 7 * * *"
filters:
branches:
only:
- master

5
.gitattributes vendored
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CHANGELOG.md merge=union
README.md merge=union
go.sum merge=union
plugins/inputs/all/all.go merge=union
plugins/outputs/all/all.go merge=union

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---
name: Bug report
about: Create a report to help us improve
---
<!--
Please redirect any questions about Telegraf usage to the InfluxData Community
site: https://community.influxdata.com
Check the documentation for the related plugin including the troubleshooting
section if available.
-->
### Relevant telegraf.conf:
<!-- Place config in the toml code section. -->
```toml
```
### System info:
<!-- Include Telegraf version, operating system, and other relevant details -->
### Docker
<!-- If your bug involves third party dependencies or services, it can be very helpful to provide a Dockerfile or docker-compose.yml that reproduces the environment you're testing against -->
### Steps to reproduce:
<!-- Describe the steps to reproduce the bug. -->
1. ...
2. ...
### Expected behavior:
<!-- Describe what you expected to happen when you performed the above steps. -->
### Actual behavior:
<!-- Describe what actually happened when you performed the above steps. -->
### Additional info:
<!-- Include gist of relevant config, logs, etc. -->

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---
name: Feature request
about: Suggest an idea for this project
---
## Feature Request
Opening a feature request kicks off a discussion.
### Proposal:
### Current behavior:
### Desired behavior:
### Use case: <!-- [Why is this important (helps with prioritizing requests)] -->

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### Required for all PRs:
- [ ] Signed [CLA](https://influxdata.com/community/cla/).
- [ ] Associated README.md updated.
- [ ] Has appropriate unit tests.

9
.gitignore vendored
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/build
tivan
.vagrant
/telegraf
/telegraf.exe
/telegraf.gz
/vendor
.idea
*~
*#

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### Contributing
## Steps for Contributing:
1. [Sign the CLA][cla].
1. Open a [new issue][] to discuss the changes you would like to make. This is
not strictly required but it may help reduce the amount of rework you need
to do later.
1. Make changes or write plugin using the guidelines in the following
documents:
- [Input Plugins][inputs]
- [Processor Plugins][processors]
- [Aggregator Plugins][aggregators]
- [Output Plugins][outputs]
1. Ensure you have added proper unit tests and documentation.
1. Open a new [pull request][].
1. [Sign the CLA](http://influxdb.com/community/cla.html)
1. Make changes or write plugin (see below for details)
1. Add your plugin to `plugins/inputs/all/all.go` or `plugins/outputs/all/all.go`
1. If your plugin requires a new Go package,
[add it](https://github.com/influxdata/telegraf/blob/master/CONTRIBUTING.md#adding-a-dependency)
1. Write a README for your plugin, if it's an input plugin, it should be structured
like the [input example here](https://github.com/influxdata/telegraf/blob/master/plugins/inputs/EXAMPLE_README.md).
Output plugins READMEs are less structured,
but any information you can provide on how the data will look is appreciated.
See the [OpenTSDB output](https://github.com/influxdata/telegraf/tree/master/plugins/outputs/opentsdb)
for a good example.
#### Contributing an External Plugin *(experimental)*
Input plugins written for internal Telegraf can be run as externally-compiled plugins through the [Execd Input Plugin](https://github.com/influxdata/telegraf/tree/master/plugins/inputs/execd) without having to change the plugin code.
## GoDoc
Follow the guidelines of how to integrate your plugin with the [Execd Go Shim](https://github.com/influxdata/telegraf/tree/master/plugins/inputs/execd/shim) to easily compile it as a separate app and run it from the inputs.execd plugin.
#### Security Vulnerability Reporting
InfluxData takes security and our users' trust very seriously. If you believe you have found a security issue in any of our
open source projects, please responsibly disclose it by contacting security@influxdata.com. More details about
security vulnerability reporting,
including our GPG key, [can be found here](https://www.influxdata.com/how-to-report-security-vulnerabilities/).
### GoDoc
Public interfaces for inputs, outputs, processors, aggregators, metrics,
and the accumulator can be found in the GoDoc:
Public interfaces for inputs, outputs, metrics, and the accumulator can be found
on the GoDoc
[![GoDoc](https://godoc.org/github.com/influxdata/telegraf?status.svg)](https://godoc.org/github.com/influxdata/telegraf)
### Common development tasks
## Sign the CLA
**Adding a dependency:**
Before we can merge a pull request, you will need to sign the CLA,
which can be found [on our website](http://influxdb.com/community/cla.html)
Telegraf uses Go modules. Assuming you can already build the project, run this in the telegraf directory:
## Adding a dependency
1. `go get github.com/[dependency]/[new-package]`
Assuming you can already build the project, run these in the telegraf directory:
**Unit Tests:**
1. `go get github.com/sparrc/gdm`
1. `gdm restore`
1. `gdm save`
Before opening a pull request you should run the linter checks and
the short tests.
## Input Plugins
```
make check
make test
This section is for developers who want to create new collection inputs.
Telegraf is entirely plugin driven. This interface allows for operators to
pick and chose what is gathered and makes it easy for developers
to create new ways of generating metrics.
Plugin authorship is kept as simple as possible to promote people to develop
and submit new inputs.
### Input Plugin Guidelines
* A plugin must conform to the `telegraf.Input` interface.
* Input Plugins should call `inputs.Add` in their `init` function to register themselves.
See below for a quick example.
* Input Plugins must be added to the
`github.com/influxdata/telegraf/plugins/inputs/all/all.go` file.
* The `SampleConfig` function should return valid toml that describes how the
plugin can be configured. This is include in `telegraf -sample-config`.
* The `Description` function should say in one line what this plugin does.
Let's say you've written a plugin that emits metrics about processes on the
current host.
### Input Plugin Example
```go
package simple
// simple.go
import (
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/plugins/inputs"
)
type Simple struct {
Ok bool
}
func (s *Simple) Description() string {
return "a demo plugin"
}
func (s *Simple) SampleConfig() string {
return "ok = true # indicate if everything is fine"
}
func (s *Simple) Gather(acc inputs.Accumulator) error {
if s.Ok {
acc.Add("state", "pretty good", nil)
} else {
acc.Add("state", "not great", nil)
}
return nil
}
func init() {
inputs.Add("simple", func() telegraf.Input { return &Simple{} })
}
```
**Execute integration tests:**
## Input Plugins Accepting Arbitrary Data Formats
(Optional)
Some input plugins (such as
[exec](https://github.com/influxdata/telegraf/tree/master/plugins/inputs/exec))
accept arbitrary input data formats. An overview of these data formats can
be found
[here](https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_INPUT.md).
Running the integration tests requires several docker containers to be
running. You can start the containers with:
```
docker-compose up
In order to enable this, you must specify a `SetParser(parser parsers.Parser)`
function on the plugin object (see the exec plugin for an example), as well as
defining `parser` as a field of the object.
You can then utilize the parser internally in your plugin, parsing data as you
see fit. Telegraf's configuration layer will take care of instantiating and
creating the `Parser` object.
You should also add the following to your SampleConfig() return:
```toml
## Data format to consume. This can be "json", "influx" or "graphite"
## Each data format has it's own unique set of configuration options, read
## more about them here:
## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_INPUT.md
data_format = "influx"
```
And run the full test suite with:
```
make test-all
Below is the `Parser` interface.
```go
// Parser is an interface defining functions that a parser plugin must satisfy.
type Parser interface {
// Parse takes a byte buffer separated by newlines
// ie, `cpu.usage.idle 90\ncpu.usage.busy 10`
// and parses it into telegraf metrics
Parse(buf []byte) ([]telegraf.Metric, error)
// ParseLine takes a single string metric
// ie, "cpu.usage.idle 90"
// and parses it into a telegraf metric.
ParseLine(line string) (telegraf.Metric, error)
}
```
Use `make docker-kill` to stop the containers.
And you can view the code
[here.](https://github.com/influxdata/telegraf/blob/henrypfhu-master/plugins/parsers/registry.go)
## Service Input Plugins
[cla]: https://www.influxdata.com/legal/cla/
[new issue]: https://github.com/influxdata/telegraf/issues/new/choose
[pull request]: https://github.com/influxdata/telegraf/compare
[inputs]: /docs/INPUTS.md
[processors]: /docs/PROCESSORS.md
[aggregators]: /docs/AGGREGATORS.md
[outputs]: /docs/OUTPUTS.md
This section is for developers who want to create new "service" collection
inputs. A service plugin differs from a regular plugin in that it operates
a background service while Telegraf is running. One example would be the `statsd`
plugin, which operates a statsd server.
Service Input Plugins are substantially more complicated than a regular plugin, as they
will require threads and locks to verify data integrity. Service Input Plugins should
be avoided unless there is no way to create their behavior with a regular plugin.
Their interface is quite similar to a regular plugin, with the addition of `Start()`
and `Stop()` methods.
### Service Plugin Guidelines
* Same as the `Plugin` guidelines, except that they must conform to the
`inputs.ServiceInput` interface.
## Output Plugins
This section is for developers who want to create a new output sink. Outputs
are created in a similar manner as collection plugins, and their interface has
similar constructs.
### Output Plugin Guidelines
* An output must conform to the `outputs.Output` interface.
* Outputs should call `outputs.Add` in their `init` function to register themselves.
See below for a quick example.
* To be available within Telegraf itself, plugins must add themselves to the
`github.com/influxdata/telegraf/plugins/outputs/all/all.go` file.
* The `SampleConfig` function should return valid toml that describes how the
output can be configured. This is include in `telegraf -sample-config`.
* The `Description` function should say in one line what this output does.
### Output Example
```go
package simpleoutput
// simpleoutput.go
import (
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/plugins/outputs"
)
type Simple struct {
Ok bool
}
func (s *Simple) Description() string {
return "a demo output"
}
func (s *Simple) SampleConfig() string {
return "url = localhost"
}
func (s *Simple) Connect() error {
// Make a connection to the URL here
return nil
}
func (s *Simple) Close() error {
// Close connection to the URL here
return nil
}
func (s *Simple) Write(metrics []telegraf.Metric) error {
for _, pt := range points {
// write `pt` to the output sink here
}
return nil
}
func init() {
outputs.Add("simpleoutput", func() telegraf.Output { return &Simple{} })
}
```
## Output Plugins Writing Arbitrary Data Formats
Some output plugins (such as
[file](https://github.com/influxdata/telegraf/tree/master/plugins/outputs/file))
can write arbitrary output data formats. An overview of these data formats can
be found
[here](https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_OUTPUT.md).
In order to enable this, you must specify a
`SetSerializer(serializer serializers.Serializer)`
function on the plugin object (see the file plugin for an example), as well as
defining `serializer` as a field of the object.
You can then utilize the serializer internally in your plugin, serializing data
before it's written. Telegraf's configuration layer will take care of
instantiating and creating the `Serializer` object.
You should also add the following to your SampleConfig() return:
```toml
## Data format to output. This can be "influx" or "graphite"
## Each data format has it's own unique set of configuration options, read
## more about them here:
## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_OUTPUT.md
data_format = "influx"
```
## Service Output Plugins
This section is for developers who want to create new "service" output. A
service output differs from a regular output in that it operates a background service
while Telegraf is running. One example would be the `prometheus_client` output,
which operates an HTTP server.
Their interface is quite similar to a regular output, with the addition of `Start()`
and `Stop()` methods.
### Service Output Guidelines
* Same as the `Output` guidelines, except that they must conform to the
`output.ServiceOutput` interface.
## Unit Tests
### Execute short tests
execute `make test-short`
### Execute long tests
As Telegraf collects metrics from several third-party services it becomes a
difficult task to mock each service as some of them have complicated protocols
which would take some time to replicate.
To overcome this situation we've decided to use docker containers to provide a
fast and reproducible environment to test those services which require it.
For other situations
(i.e: https://github.com/influxdata/telegraf/blob/master/plugins/inputs/redis/redis_test.go)
a simple mock will suffice.
To execute Telegraf tests follow these simple steps:
- Install docker following [these](https://docs.docker.com/installation/)
instructions
- execute `make test`
**OSX users**: you will need to install `boot2docker` or `docker-machine`.
The Makefile will assume that you have a `docker-machine` box called `default` to
get the IP address.
### Unit test troubleshooting
Try cleaning up your test environment by executing `make docker-kill` and
re-running

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# Copy of scripts/stretch.docker
FROM golang:1.13.8 as builder
WORKDIR /go/src/github.com/influxdata/telegraf
COPY . /go/src/github.com/influxdata/telegraf
RUN make go-install
FROM buildpack-deps:stretch-curl
COPY --from=builder /go/bin/* /usr/bin/
COPY etc/telegraf.conf /etc/telegraf/telegraf.conf
EXPOSE 8125/udp 8092/udp 8094
COPY scripts/docker-entrypoint.sh /entrypoint.sh
ENTRYPOINT ["/entrypoint.sh"]
CMD ["telegraf"]

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# External Plugins
This is a list of plugins that can be compiled outside of Telegraf and used via the execd input.
Pull requests welcome.
## Inputs
- [rand](https://github.com/ssoroka/rand) - Generate random numbers
- [twitter](https://github.com/inabagumi/twitter-telegraf-plugin) - Gather account information from Twitter accounts

52
Godeps Normal file
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git.eclipse.org/gitroot/paho/org.eclipse.paho.mqtt.golang.git 617c801af238c3af2d9e72c5d4a0f02edad03ce5
github.com/Shopify/sarama d37c73f2b2bce85f7fa16b6a550d26c5372892ef
github.com/Sirupsen/logrus f7f79f729e0fbe2fcc061db48a9ba0263f588252
github.com/amir/raidman 6a8e089bbe32e6b907feae5ba688841974b3c339
github.com/aws/aws-sdk-go 87b1e60a50b09e4812dee560b33a238f67305804
github.com/beorn7/perks b965b613227fddccbfffe13eae360ed3fa822f8d
github.com/cenkalti/backoff 4dc77674aceaabba2c7e3da25d4c823edfb73f99
github.com/dancannon/gorethink 6f088135ff288deb9d5546f4c71919207f891a70
github.com/davecgh/go-spew 5215b55f46b2b919f50a1df0eaa5886afe4e3b3d
github.com/eapache/go-resiliency b86b1ec0dd4209a588dc1285cdd471e73525c0b3
github.com/eapache/queue ded5959c0d4e360646dc9e9908cff48666781367
github.com/fsouza/go-dockerclient 7b651349f9479f5114913eefbfd3c4eeddd79ab4
github.com/go-ini/ini afbd495e5aaea13597b5e14fe514ddeaa4d76fc3
github.com/go-sql-driver/mysql 7c7f556282622f94213bc028b4d0a7b6151ba239
github.com/golang/protobuf 6aaa8d47701fa6cf07e914ec01fde3d4a1fe79c3
github.com/golang/snappy 723cc1e459b8eea2dea4583200fd60757d40097a
github.com/gonuts/go-shellquote e842a11b24c6abfb3dd27af69a17f482e4b483c2
github.com/gorilla/context 1c83b3eabd45b6d76072b66b746c20815fb2872d
github.com/gorilla/mux 26a6070f849969ba72b72256e9f14cf519751690
github.com/hailocab/go-hostpool e80d13ce29ede4452c43dea11e79b9bc8a15b478
github.com/influxdata/config bae7cb98197d842374d3b8403905924094930f24
github.com/influxdata/influxdb ef571fc104dc24b77cd3710c156cd95e5cfd7aa5
github.com/jmespath/go-jmespath c01cf91b011868172fdcd9f41838e80c9d716264
github.com/klauspost/crc32 999f3125931f6557b991b2f8472172bdfa578d38
github.com/lib/pq 8ad2b298cadd691a77015666a5372eae5dbfac8f
github.com/matttproud/golang_protobuf_extensions d0c3fe89de86839aecf2e0579c40ba3bb336a453
github.com/mreiferson/go-snappystream 028eae7ab5c4c9e2d1cb4c4ca1e53259bbe7e504
github.com/naoina/go-stringutil 6b638e95a32d0c1131db0e7fe83775cbea4a0d0b
github.com/naoina/toml 751171607256bb66e64c9f0220c00662420c38e9
github.com/nats-io/nats 6a83f1a633cfbfd90aa648ac99fb38c06a8b40df
github.com/nsqio/go-nsq 2118015c120962edc5d03325c680daf3163a8b5f
github.com/pmezard/go-difflib 792786c7400a136282c1664665ae0a8db921c6c2
github.com/prometheus/client_golang 67994f177195311c3ea3d4407ed0175e34a4256f
github.com/prometheus/client_model fa8ad6fec33561be4280a8f0514318c79d7f6cb6
github.com/prometheus/common 14ca1097bbe21584194c15e391a9dab95ad42a59
github.com/prometheus/procfs 406e5b7bfd8201a36e2bb5f7bdae0b03380c2ce8
github.com/samuel/go-zookeeper 218e9c81c0dd8b3b18172b2bbfad92cc7d6db55f
github.com/shirou/gopsutil e77438504d45b9985c99a75730fe65220ceea00e
github.com/soniah/gosnmp b1b4f885b12c5dcbd021c5cee1c904110de6db7d
github.com/streadway/amqp b4f3ceab0337f013208d31348b578d83c0064744
github.com/stretchr/objx 1a9d0bb9f541897e62256577b352fdbc1fb4fd94
github.com/stretchr/testify f390dcf405f7b83c997eac1b06768bb9f44dec18
github.com/wvanbergen/kafka 1a8639a45164fcc245d5c7b4bd3ccfbd1a0ffbf3
github.com/wvanbergen/kazoo-go 0f768712ae6f76454f987c3356177e138df258f8
github.com/zensqlmonitor/go-mssqldb ffe5510c6fa5e15e6d983210ab501c815b56b363
golang.org/x/crypto 1f22c0103821b9390939b6776727195525381532
golang.org/x/net 04b9de9b512f58addf28c9853d50ebef61c3953e
golang.org/x/text 6d3c22c4525a4da167968fa2479be5524d2e8bd0
gopkg.in/dancannon/gorethink.v1 6f088135ff288deb9d5546f4c71919207f891a70
gopkg.in/fatih/pool.v2 cba550ebf9bce999a02e963296d4bc7a486cb715
gopkg.in/mgo.v2 03c9f3ee4c14c8e51ee521a6a7d0425658dd6f64
gopkg.in/yaml.v2 f7716cbe52baa25d2e9b0d0da546fcf909fc16b4

56
Godeps_windows Normal file
View File

@ -0,0 +1,56 @@
git.eclipse.org/gitroot/paho/org.eclipse.paho.mqtt.golang.git dbd8d5c40a582eb9adacde36b47932b3a3ad0034
github.com/Shopify/sarama d37c73f2b2bce85f7fa16b6a550d26c5372892ef
github.com/Sirupsen/logrus f7f79f729e0fbe2fcc061db48a9ba0263f588252
github.com/StackExchange/wmi f3e2bae1e0cb5aef83e319133eabfee30013a4a5
github.com/amir/raidman 6a8e089bbe32e6b907feae5ba688841974b3c339
github.com/aws/aws-sdk-go 87b1e60a50b09e4812dee560b33a238f67305804
github.com/beorn7/perks b965b613227fddccbfffe13eae360ed3fa822f8d
github.com/cenkalti/backoff 4dc77674aceaabba2c7e3da25d4c823edfb73f99
github.com/dancannon/gorethink 6f088135ff288deb9d5546f4c71919207f891a70
github.com/davecgh/go-spew 5215b55f46b2b919f50a1df0eaa5886afe4e3b3d
github.com/eapache/go-resiliency b86b1ec0dd4209a588dc1285cdd471e73525c0b3
github.com/eapache/queue ded5959c0d4e360646dc9e9908cff48666781367
github.com/fsouza/go-dockerclient 7b651349f9479f5114913eefbfd3c4eeddd79ab4
github.com/go-ini/ini afbd495e5aaea13597b5e14fe514ddeaa4d76fc3
github.com/go-ole/go-ole 50055884d646dd9434f16bbb5c9801749b9bafe4
github.com/go-sql-driver/mysql 7c7f556282622f94213bc028b4d0a7b6151ba239
github.com/golang/protobuf 6aaa8d47701fa6cf07e914ec01fde3d4a1fe79c3
github.com/golang/snappy 723cc1e459b8eea2dea4583200fd60757d40097a
github.com/gonuts/go-shellquote e842a11b24c6abfb3dd27af69a17f482e4b483c2
github.com/gorilla/context 1c83b3eabd45b6d76072b66b746c20815fb2872d
github.com/gorilla/mux 26a6070f849969ba72b72256e9f14cf519751690
github.com/hailocab/go-hostpool e80d13ce29ede4452c43dea11e79b9bc8a15b478
github.com/influxdata/config bae7cb98197d842374d3b8403905924094930f24
github.com/influxdata/influxdb a9552fdd91361819a792f337e5d9998859732a67
github.com/influxdb/influxdb a9552fdd91361819a792f337e5d9998859732a67
github.com/jmespath/go-jmespath c01cf91b011868172fdcd9f41838e80c9d716264
github.com/klauspost/crc32 999f3125931f6557b991b2f8472172bdfa578d38
github.com/lib/pq 8ad2b298cadd691a77015666a5372eae5dbfac8f
github.com/lxn/win 9a7734ea4db26bc593d52f6a8a957afdad39c5c1
github.com/matttproud/golang_protobuf_extensions d0c3fe89de86839aecf2e0579c40ba3bb336a453
github.com/mreiferson/go-snappystream 028eae7ab5c4c9e2d1cb4c4ca1e53259bbe7e504
github.com/naoina/go-stringutil 6b638e95a32d0c1131db0e7fe83775cbea4a0d0b
github.com/naoina/toml 751171607256bb66e64c9f0220c00662420c38e9
github.com/nsqio/go-nsq 2118015c120962edc5d03325c680daf3163a8b5f
github.com/pborman/uuid dee7705ef7b324f27ceb85a121c61f2c2e8ce988
github.com/pmezard/go-difflib 792786c7400a136282c1664665ae0a8db921c6c2
github.com/prometheus/client_golang 67994f177195311c3ea3d4407ed0175e34a4256f
github.com/prometheus/client_model fa8ad6fec33561be4280a8f0514318c79d7f6cb6
github.com/prometheus/common 14ca1097bbe21584194c15e391a9dab95ad42a59
github.com/prometheus/procfs 406e5b7bfd8201a36e2bb5f7bdae0b03380c2ce8
github.com/samuel/go-zookeeper 218e9c81c0dd8b3b18172b2bbfad92cc7d6db55f
github.com/shirou/gopsutil e77438504d45b9985c99a75730fe65220ceea00e
github.com/shirou/w32 ada3ba68f000aa1b58580e45c9d308fe0b7fc5c5
github.com/soniah/gosnmp b1b4f885b12c5dcbd021c5cee1c904110de6db7d
github.com/streadway/amqp b4f3ceab0337f013208d31348b578d83c0064744
github.com/stretchr/objx 1a9d0bb9f541897e62256577b352fdbc1fb4fd94
github.com/stretchr/testify f390dcf405f7b83c997eac1b06768bb9f44dec18
github.com/wvanbergen/kafka 1a8639a45164fcc245d5c7b4bd3ccfbd1a0ffbf3
github.com/wvanbergen/kazoo-go 0f768712ae6f76454f987c3356177e138df258f8
github.com/zensqlmonitor/go-mssqldb ffe5510c6fa5e15e6d983210ab501c815b56b363
golang.org/x/net 04b9de9b512f58addf28c9853d50ebef61c3953e
golang.org/x/text 6d3c22c4525a4da167968fa2479be5524d2e8bd0
gopkg.in/dancannon/gorethink.v1 6f088135ff288deb9d5546f4c71919207f891a70
gopkg.in/fatih/pool.v2 cba550ebf9bce999a02e963296d4bc7a486cb715
gopkg.in/mgo.v2 03c9f3ee4c14c8e51ee521a6a7d0425658dd6f64
gopkg.in/yaml.v2 f7716cbe52baa25d2e9b0d0da546fcf909fc16b4

View File

@ -1,6 +1,6 @@
The MIT License (MIT)
Copyright (c) 2015-2019 InfluxData Inc.
Copyright (c) 2015 InfluxDB
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

236
Makefile
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@ -1,155 +1,105 @@
ifeq ($(OS), Windows_NT)
VERSION := $(shell git describe --exact-match --tags 2>nul)
HOME := $(HOMEPATH)
CGO_ENABLED ?= 0
export CGO_ENABLED
else
VERSION := $(shell git describe --exact-match --tags 2>/dev/null)
endif
PREFIX := /usr/local
BRANCH := $(shell git rev-parse --abbrev-ref HEAD)
COMMIT := $(shell git rev-parse --short HEAD)
GOFILES ?= $(shell git ls-files '*.go')
GOFMT ?= $(shell gofmt -l -s $(filter-out plugins/parsers/influx/machine.go, $(GOFILES)))
BUILDFLAGS ?=
UNAME := $(shell sh -c 'uname')
VERSION := $(shell sh -c 'git describe --always --tags')
ifdef GOBIN
PATH := $(GOBIN):$(PATH)
else
PATH := $(subst :,/bin:,$(shell go env GOPATH))/bin:$(PATH)
PATH := $(subst :,/bin:,$(GOPATH))/bin:$(PATH)
endif
LDFLAGS := $(LDFLAGS) -X main.commit=$(COMMIT) -X main.branch=$(BRANCH)
ifdef VERSION
LDFLAGS += -X main.version=$(VERSION)
# Standard Telegraf build
default: prepare build
# Windows build
windows: prepare-windows build-windows
# Only run the build (no dependency grabbing)
build:
go install -ldflags "-X main.Version=$(VERSION)" ./...
build-windows:
go build -o telegraf.exe -ldflags \
"-X main.Version=$(VERSION)" \
./cmd/telegraf/telegraf.go
build-for-docker:
CGO_ENABLED=0 GOOS=linux go -o telegraf -ldflags \
"-X main.Version=$(VERSION)" \
./cmd/telegraf/telegraf.go
# Build with race detector
dev: prepare
go build -race -ldflags "-X main.Version=$(VERSION)" ./...
# run package script
package:
./scripts/build.py --package --version="$(VERSION)" --platform=linux --arch=all --upload
# Get dependencies and use gdm to checkout changesets
prepare:
go get github.com/sparrc/gdm
gdm restore
# Use the windows godeps file to prepare dependencies
prepare-windows:
go get github.com/sparrc/gdm
gdm restore -f Godeps_windows
# Run all docker containers necessary for unit tests
docker-run:
ifeq ($(UNAME), Darwin)
docker run --name kafka \
-e ADVERTISED_HOST=$(shell sh -c 'boot2docker ip || docker-machine ip default') \
-e ADVERTISED_PORT=9092 \
-p "2181:2181" -p "9092:9092" \
-d spotify/kafka
endif
ifeq ($(UNAME), Linux)
docker run --name kafka \
-e ADVERTISED_HOST=localhost \
-e ADVERTISED_PORT=9092 \
-p "2181:2181" -p "9092:9092" \
-d spotify/kafka
endif
docker run --name mysql -p "3306:3306" -e MYSQL_ALLOW_EMPTY_PASSWORD=yes -d mysql
docker run --name memcached -p "11211:11211" -d memcached
docker run --name postgres -p "5432:5432" -d postgres
docker run --name rabbitmq -p "15672:15672" -p "5672:5672" -d rabbitmq:3-management
docker run --name opentsdb -p "4242:4242" -d petergrace/opentsdb-docker
docker run --name redis -p "6379:6379" -d redis
docker run --name aerospike -p "3000:3000" -d aerospike
docker run --name nsq -p "4150:4150" -d nsqio/nsq /nsqd
docker run --name mqtt -p "1883:1883" -d ncarlier/mqtt
docker run --name riemann -p "5555:5555" -d blalor/riemann
docker run --name snmp -p "31161:31161/udp" -d titilambert/snmpsim
.PHONY: all
all:
@$(MAKE) --no-print-directory deps
@$(MAKE) --no-print-directory telegraf
# Run docker containers necessary for CircleCI unit tests
docker-run-circle:
docker run --name kafka \
-e ADVERTISED_HOST=localhost \
-e ADVERTISED_PORT=9092 \
-p "2181:2181" -p "9092:9092" \
-d spotify/kafka
docker run --name opentsdb -p "4242:4242" -d petergrace/opentsdb-docker
docker run --name aerospike -p "3000:3000" -d aerospike
docker run --name nsq -p "4150:4150" -d nsqio/nsq /nsqd
docker run --name mqtt -p "1883:1883" -d ncarlier/mqtt
docker run --name riemann -p "5555:5555" -d blalor/riemann
docker run --name snmp -p "31161:31161/udp" -d titilambert/snmpsim
.PHONY: deps
deps:
go mod download
# Kill all docker containers, ignore errors
docker-kill:
-docker kill nsq aerospike redis opentsdb rabbitmq postgres memcached mysql kafka mqtt riemann snmp
-docker rm nsq aerospike redis opentsdb rabbitmq postgres memcached mysql kafka mqtt riemann snmp
.PHONY: telegraf
telegraf:
go build -ldflags "$(LDFLAGS)" ./cmd/telegraf
# Run full unit tests using docker containers (includes setup and teardown)
test: docker-kill docker-run
# Sleeping for kafka leadership election, TSDB setup, etc.
sleep 60
# SUCCESS, running tests
go test -race ./...
.PHONY: go-install
go-install:
go install -ldflags "-w -s $(LDFLAGS)" ./cmd/telegraf
.PHONY: install
install: telegraf
mkdir -p $(DESTDIR)$(PREFIX)/bin/
cp telegraf $(DESTDIR)$(PREFIX)/bin/
.PHONY: test
test:
# Run "short" unit tests
test-short:
go test -short ./...
.PHONY: fmt
fmt:
@gofmt -s -w $(filter-out plugins/parsers/influx/machine.go, $(GOFILES))
.PHONY: fmtcheck
fmtcheck:
@if [ ! -z "$(GOFMT)" ]; then \
echo "[ERROR] gofmt has found errors in the following files:" ; \
echo "$(GOFMT)" ; \
echo "" ;\
echo "Run make fmt to fix them." ; \
exit 1 ;\
fi
.PHONY: test-windows
test-windows:
go test -short ./plugins/inputs/ping/...
go test -short ./plugins/inputs/win_perf_counters/...
go test -short ./plugins/inputs/win_services/...
go test -short ./plugins/inputs/procstat/...
go test -short ./plugins/inputs/ntpq/...
go test -short ./plugins/processors/port_name/...
.PHONY: vet
vet:
@echo 'go vet $$(go list ./... | grep -v ./plugins/parsers/influx)'
@go vet $$(go list ./... | grep -v ./plugins/parsers/influx) ; if [ $$? -ne 0 ]; then \
echo ""; \
echo "go vet has found suspicious constructs. Please remediate any reported errors"; \
echo "to fix them before submitting code for review."; \
exit 1; \
fi
.PHONY: tidy
tidy:
go mod verify
go mod tidy
@if ! git diff --quiet go.mod go.sum; then \
echo "please run go mod tidy and check in changes"; \
exit 1; \
fi
.PHONY: check
check: fmtcheck vet
@$(MAKE) --no-print-directory tidy
.PHONY: test-all
test-all: fmtcheck vet
go test ./...
.PHONY: check-deps
check-deps:
./scripts/check-deps.sh
.PHONY: package
package:
./scripts/build.py --package --platform=all --arch=all
.PHONY: package-release
package-release:
./scripts/build.py --release --package --platform=all --arch=all \
--upload --bucket=dl.influxdata.com/telegraf/releases
.PHONY: package-nightly
package-nightly:
./scripts/build.py --nightly --package --platform=all --arch=all \
--upload --bucket=dl.influxdata.com/telegraf/nightlies
.PHONY: clean
clean:
rm -f telegraf
rm -f telegraf.exe
.PHONY: docker-image
docker-image:
docker build -f scripts/stretch.docker -t "telegraf:$(COMMIT)" .
plugins/parsers/influx/machine.go: plugins/parsers/influx/machine.go.rl
ragel -Z -G2 $^ -o $@
.PHONY: static
static:
@echo "Building static linux binary..."
@CGO_ENABLED=0 \
GOOS=linux \
GOARCH=amd64 \
go build -ldflags "$(LDFLAGS)" ./cmd/telegraf
.PHONY: plugin-%
plugin-%:
@echo "Starting dev environment for $${$(@)} input plugin..."
@docker-compose -f plugins/inputs/$${$(@)}/dev/docker-compose.yml up
.PHONY: ci-1.13
ci-1.13:
docker build -t quay.io/influxdb/telegraf-ci:1.13.8 - < scripts/ci-1.13.docker
docker push quay.io/influxdb/telegraf-ci:1.13.8
.PHONY: ci-1.12
ci-1.12:
docker build -t quay.io/influxdb/telegraf-ci:1.12.17 - < scripts/ci-1.12.docker
docker push quay.io/influxdb/telegraf-ci:1.12.17
.PHONY: test

601
README.md
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@ -1,429 +1,238 @@
# Telegraf [![Circle CI](https://circleci.com/gh/influxdata/telegraf.svg?style=svg)](https://circleci.com/gh/influxdata/telegraf) [![Docker pulls](https://img.shields.io/docker/pulls/library/telegraf.svg)](https://hub.docker.com/_/telegraf/)
# Telegraf [![Circle CI](https://circleci.com/gh/influxdata/telegraf.svg?style=svg)](https://circleci.com/gh/influxdata/telegraf)
Telegraf is an agent for collecting, processing, aggregating, and writing metrics.
Telegraf is an agent written in Go for collecting metrics from the system it's
running on, or from other services, and writing them into InfluxDB or other
[outputs](https://github.com/influxdata/telegraf#supported-output-plugins).
Design goals are to have a minimal memory footprint with a plugin system so
that developers in the community can easily add support for collecting
metrics.
that developers in the community can easily add support for collecting metrics
from well known services (like Hadoop, Postgres, or Redis) and third party
APIs (like Mailchimp, AWS CloudWatch, or Google Analytics).
Telegraf is plugin-driven and has the concept of 4 distinct plugin types:
1. [Input Plugins](#input-plugins) collect metrics from the system, services, or 3rd party APIs
2. [Processor Plugins](#processor-plugins) transform, decorate, and/or filter metrics
3. [Aggregator Plugins](#aggregator-plugins) create aggregate metrics (e.g. mean, min, max, quantiles, etc.)
4. [Output Plugins](#output-plugins) write metrics to various destinations
New plugins are designed to be easy to contribute, pull requests are welcomed
and we work to incorporate as many pull requests as possible.
## Try in Browser :rocket:
You can try Telegraf right in your browser in the [Telegraf playground](https://rootnroll.com/d/telegraf/).
## Contributing
There are many ways to contribute:
- Fix and [report bugs](https://github.com/influxdata/telegraf/issues/new)
- [Improve documentation](https://github.com/influxdata/telegraf/issues?q=is%3Aopen+label%3Adocumentation)
- [Review code and feature proposals](https://github.com/influxdata/telegraf/pulls)
- Answer questions and discuss here on github and on the [Community Site](https://community.influxdata.com/)
- [Contribute plugins](CONTRIBUTING.md)
- [Contribute external plugins](https://github.com/influxdata/telegraf/tree/master/plugins/inputs/execd/shim) *(experimental)*
## Minimum Requirements
Telegraf shares the same [minimum requirements][] as Go:
- Linux kernel version 2.6.23 or later
- Windows 7 or later
- FreeBSD 11.2 or later
- MacOS 10.11 El Capitan or later
[minimum requirements]: https://github.com/golang/go/wiki/MinimumRequirements#minimum-requirements
New input and output plugins are designed to be easy to contribute,
we'll eagerly accept pull
requests and will manage the set of plugins that Telegraf supports.
See the [contributing guide](CONTRIBUTING.md) for instructions on writing
new plugins.
## Installation:
You can download the binaries directly from the [downloads](https://www.influxdata.com/downloads) page
or from the [releases](https://github.com/influxdata/telegraf/releases) section.
NOTE: Telegraf 0.10.x is **not** backwards-compatible with previous versions
of telegraf, both in the database layout and the configuration file. 0.2.x
will continue to be supported, see below for download links.
For more details on the differences between Telegraf 0.2.x and 0.10.x, see
the [release blog post](https://influxdata.com/blog/announcing-telegraf-0-10-0/).
### Linux deb and rpm Packages:
Latest:
* http://get.influxdb.org/telegraf/telegraf_0.10.2-1_amd64.deb
* http://get.influxdb.org/telegraf/telegraf-0.10.2-1.x86_64.rpm
0.2.x:
* http://get.influxdb.org/telegraf/telegraf_0.2.4_amd64.deb
* http://get.influxdb.org/telegraf/telegraf-0.2.4-1.x86_64.rpm
##### Package Instructions:
* Telegraf binary is installed in `/usr/bin/telegraf`
* Telegraf daemon configuration file is in `/etc/telegraf/telegraf.conf`
* On sysv systems, the telegraf daemon can be controlled via
`service telegraf [action]`
* On systemd systems (such as Ubuntu 15+), the telegraf daemon can be
controlled via `systemctl [action] telegraf`
### yum/apt Repositories:
There is a yum/apt repo available for the whole InfluxData stack, see
[here](https://docs.influxdata.com/influxdb/v0.9/introduction/installation/#installation)
for instructions, replacing the `influxdb` package name with `telegraf`.
### Linux tarballs:
Latest:
* http://get.influxdb.org/telegraf/telegraf-0.10.2-1_linux_amd64.tar.gz
* http://get.influxdb.org/telegraf/telegraf-0.10.2-1_linux_i386.tar.gz
* http://get.influxdb.org/telegraf/telegraf-0.10.2-1_linux_arm.tar.gz
0.2.x:
* http://get.influxdb.org/telegraf/telegraf_linux_amd64_0.2.4.tar.gz
* http://get.influxdb.org/telegraf/telegraf_linux_386_0.2.4.tar.gz
* http://get.influxdb.org/telegraf/telegraf_linux_arm_0.2.4.tar.gz
##### tarball Instructions:
To install the full directory structure with config file, run:
```
sudo tar -C / -zxvf ./telegraf-0.10.2-1_linux_amd64.tar.gz
```
To extract only the binary, run:
```
tar -zxvf telegraf-0.10.2-1_linux_amd64.tar.gz --strip-components=3 ./usr/bin/telegraf
```
### Ansible Role:
Ansible role: https://github.com/rossmcdonald/telegraf
### OSX via Homebrew:
```
brew update
brew install telegraf
```
### From Source:
Telegraf requires Go version 1.13 or newer, the Makefile requires GNU make.
Telegraf manages dependencies via [gdm](https://github.com/sparrc/gdm),
which gets installed via the Makefile
if you don't have it already. You also must build with golang version 1.5+.
1. [Install Go](https://golang.org/doc/install) >=1.13 (1.14 recommended)
2. Clone the Telegraf repository:
```
cd ~/src
git clone https://github.com/influxdata/telegraf.git
```
3. Run `make` from the source directory
```
cd ~/src/telegraf
make
```
### Changelog
View the [changelog](/CHANGELOG.md) for the latest updates and changes by
version.
### Nightly Builds
These builds are generated from the master branch:
- [telegraf-nightly_darwin_amd64.tar.gz](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly_darwin_amd64.tar.gz)
- [telegraf_nightly_amd64.deb](https://dl.influxdata.com/telegraf/nightlies/telegraf_nightly_amd64.deb)
- [telegraf_nightly_arm64.deb](https://dl.influxdata.com/telegraf/nightlies/telegraf_nightly_arm64.deb)
- [telegraf-nightly.arm64.rpm](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly.arm64.rpm)
- [telegraf_nightly_armel.deb](https://dl.influxdata.com/telegraf/nightlies/telegraf_nightly_armel.deb)
- [telegraf-nightly.armel.rpm](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly.armel.rpm)
- [telegraf_nightly_armhf.deb](https://dl.influxdata.com/telegraf/nightlies/telegraf_nightly_armhf.deb)
- [telegraf-nightly.armv6hl.rpm](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly.armv6hl.rpm)
- [telegraf-nightly_freebsd_amd64.tar.gz](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly_freebsd_amd64.tar.gz)
- [telegraf-nightly_freebsd_i386.tar.gz](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly_freebsd_i386.tar.gz)
- [telegraf_nightly_i386.deb](https://dl.influxdata.com/telegraf/nightlies/telegraf_nightly_i386.deb)
- [telegraf-nightly.i386.rpm](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly.i386.rpm)
- [telegraf-nightly_linux_amd64.tar.gz](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly_linux_amd64.tar.gz)
- [telegraf-nightly_linux_arm64.tar.gz](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly_linux_arm64.tar.gz)
- [telegraf-nightly_linux_armel.tar.gz](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly_linux_armel.tar.gz)
- [telegraf-nightly_linux_armhf.tar.gz](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly_linux_armhf.tar.gz)
- [telegraf-nightly_linux_i386.tar.gz](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly_linux_i386.tar.gz)
- [telegraf-nightly_linux_s390x.tar.gz](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly_linux_s390x.tar.gz)
- [telegraf_nightly_s390x.deb](https://dl.influxdata.com/telegraf/nightlies/telegraf_nightly_s390x.deb)
- [telegraf-nightly.s390x.rpm](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly.s390x.rpm)
- [telegraf-nightly_windows_amd64.zip](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly_windows_amd64.zip)
- [telegraf-nightly_windows_i386.zip](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly_windows_i386.zip)
- [telegraf-nightly.x86_64.rpm](https://dl.influxdata.com/telegraf/nightlies/telegraf-nightly.x86_64.rpm)
- [telegraf-static-nightly_linux_amd64.tar.gz](https://dl.influxdata.com/telegraf/nightlies/telegraf-static-nightly_linux_amd64.tar.gz)
1. [Install Go](https://golang.org/doc/install)
2. [Setup your GOPATH](https://golang.org/doc/code.html#GOPATH)
3. Run `go get github.com/influxdata/telegraf`
4. Run `cd $GOPATH/src/github.com/influxdata/telegraf`
5. Run `make`
## How to use it:
See usage with:
```console
$ telegraf -help
Telegraf, The plugin-driven server agent for collecting and reporting metrics.
```
telegraf --help
Usage:
telegraf <flags>
The flags are:
-config <file> configuration file to load
-test gather metrics once, print them to stdout, and exit
-sample-config print out full sample configuration to stdout
-config-directory directory containing additional *.conf files
-input-filter filter the input plugins to enable, separator is :
-output-filter filter the output plugins to enable, separator is :
-usage print usage for a plugin, ie, 'telegraf -usage mysql'
-debug print metrics as they're generated to stdout
-quiet run in quiet mode
-version print the version to stdout
Examples:
# generate a telegraf config file:
telegraf -sample-config > telegraf.conf
# generate config with only cpu input & influxdb output plugins defined
telegraf -sample-config -input-filter cpu -output-filter influxdb
# run a single telegraf collection, outputing metrics to stdout
telegraf -config telegraf.conf -test
# run telegraf with all plugins defined in config file
telegraf -config telegraf.conf
# run telegraf, enabling the cpu & memory input, and influxdb output plugins
telegraf -config telegraf.conf -input-filter cpu:mem -output-filter influxdb
```
#### Generate a telegraf config file:
## Configuration
```
telegraf config > telegraf.conf
```
See the [configuration guide](docs/CONFIGURATION.md) for a rundown of the more advanced
configuration options.
#### Generate config with only cpu input & influxdb output plugins defined:
## Supported Input Plugins
```
telegraf --section-filter agent:inputs:outputs --input-filter cpu --output-filter influxdb config
```
Telegraf currently has support for collecting metrics from many sources. For
more information on each, please look at the directory of the same name in
`plugins/inputs`.
#### Run a single telegraf collection, outputting metrics to stdout:
Currently implemented sources:
```
telegraf --config telegraf.conf --test
```
* aerospike
* apache
* bcache
* couchdb
* disque
* docker
* dovecot
* elasticsearch
* exec (generic executable plugin, support JSON, influx and graphite)
* haproxy
* httpjson (generic JSON-emitting http service plugin)
* influxdb
* jolokia
* leofs
* lustre2
* mailchimp
* memcached
* mesos
* mongodb
* mysql
* net_response
* nginx
* nsq
* phpfpm
* phusion passenger
* ping
* postgresql
* powerdns
* procstat
* prometheus
* puppetagent
* rabbitmq
* raindrops
* redis
* rethinkdb
* sql server (microsoft)
* twemproxy
* zfs
* zookeeper
* sensors
* snmp
* win_perf_counters (windows performance counters)
* system
* cpu
* mem
* net
* netstat
* disk
* diskio
* swap
#### Run telegraf with all plugins defined in config file:
Telegraf can also collect metrics via the following service plugins:
```
telegraf --config telegraf.conf
```
* statsd
* mqtt_consumer
* kafka_consumer
* nats_consumer
* github_webhooks
#### Run telegraf, enabling the cpu & memory input, and influxdb output plugins:
We'll be adding support for many more over the coming months. Read on if you
want to add support for another service or third-party API.
```
telegraf --config telegraf.conf --input-filter cpu:mem --output-filter influxdb
```
## Supported Output Plugins
## Documentation
* influxdb
* amon
* amqp
* aws kinesis
* aws cloudwatch
* datadog
* graphite
* kafka
* librato
* mqtt
* nsq
* opentsdb
* prometheus
* riemann
[Latest Release Documentation][release docs].
## Contributing
For documentation on the latest development code see the [documentation index][devel docs].
[release docs]: https://docs.influxdata.com/telegraf
[devel docs]: docs
## Input Plugins
* [activemq](./plugins/inputs/activemq)
* [aerospike](./plugins/inputs/aerospike)
* [amqp_consumer](./plugins/inputs/amqp_consumer) (rabbitmq)
* [apache](./plugins/inputs/apache)
* [apcupsd](./plugins/inputs/apcupsd)
* [aurora](./plugins/inputs/aurora)
* [aws cloudwatch](./plugins/inputs/cloudwatch) (Amazon Cloudwatch)
* [azure_storage_queue](./plugins/inputs/azure_storage_queue)
* [bcache](./plugins/inputs/bcache)
* [beanstalkd](./plugins/inputs/beanstalkd)
* [bind](./plugins/inputs/bind)
* [bond](./plugins/inputs/bond)
* [burrow](./plugins/inputs/burrow)
* [cassandra](./plugins/inputs/cassandra) (deprecated, use [jolokia2](./plugins/inputs/jolokia2))
* [ceph](./plugins/inputs/ceph)
* [cgroup](./plugins/inputs/cgroup)
* [chrony](./plugins/inputs/chrony)
* [cisco_telemetry_gnmi](./plugins/inputs/cisco_telemetry_gnmi)
* [cisco_telemetry_mdt](./plugins/inputs/cisco_telemetry_mdt)
* [clickhouse](./plugins/inputs/clickhouse)
* [cloud_pubsub](./plugins/inputs/cloud_pubsub) Google Cloud Pub/Sub
* [cloud_pubsub_push](./plugins/inputs/cloud_pubsub_push) Google Cloud Pub/Sub push endpoint
* [conntrack](./plugins/inputs/conntrack)
* [consul](./plugins/inputs/consul)
* [couchbase](./plugins/inputs/couchbase)
* [couchdb](./plugins/inputs/couchdb)
* [cpu](./plugins/inputs/cpu)
* [DC/OS](./plugins/inputs/dcos)
* [diskio](./plugins/inputs/diskio)
* [disk](./plugins/inputs/disk)
* [disque](./plugins/inputs/disque)
* [dmcache](./plugins/inputs/dmcache)
* [dns query time](./plugins/inputs/dns_query)
* [docker](./plugins/inputs/docker)
* [docker_log](./plugins/inputs/docker_log)
* [dovecot](./plugins/inputs/dovecot)
* [aws ecs](./plugins/inputs/ecs) (Amazon Elastic Container Service, Fargate)
* [elasticsearch](./plugins/inputs/elasticsearch)
* [ethtool](./plugins/inputs/ethtool)
* [eventhub_consumer](./plugins/inputs/eventhub_consumer) (Azure Event Hubs \& Azure IoT Hub)
* [exec](./plugins/inputs/exec) (generic executable plugin, support JSON, influx, graphite and nagios)
* [execd](./plugins/inputs/execd)
* [fail2ban](./plugins/inputs/fail2ban)
* [fibaro](./plugins/inputs/fibaro)
* [file](./plugins/inputs/file)
* [filestat](./plugins/inputs/filestat)
* [filecount](./plugins/inputs/filecount)
* [fireboard](/plugins/inputs/fireboard)
* [fluentd](./plugins/inputs/fluentd)
* [github](./plugins/inputs/github)
* [graylog](./plugins/inputs/graylog)
* [haproxy](./plugins/inputs/haproxy)
* [hddtemp](./plugins/inputs/hddtemp)
* [httpjson](./plugins/inputs/httpjson) (generic JSON-emitting http service plugin)
* [http_listener](./plugins/inputs/influxdb_listener) (deprecated, renamed to [influxdb_listener](/plugins/inputs/influxdb_listener))
* [http_listener_v2](./plugins/inputs/http_listener_v2)
* [http](./plugins/inputs/http) (generic HTTP plugin, supports using input data formats)
* [http_response](./plugins/inputs/http_response)
* [icinga2](./plugins/inputs/icinga2)
* [infiniband](./plugins/inputs/infiniband)
* [influxdb](./plugins/inputs/influxdb)
* [influxdb_listener](./plugins/inputs/influxdb_listener)
* [internal](./plugins/inputs/internal)
* [interrupts](./plugins/inputs/interrupts)
* [ipmi_sensor](./plugins/inputs/ipmi_sensor)
* [ipset](./plugins/inputs/ipset)
* [iptables](./plugins/inputs/iptables)
* [ipvs](./plugins/inputs/ipvs)
* [jenkins](./plugins/inputs/jenkins)
* [jolokia2](./plugins/inputs/jolokia2) (java, cassandra, kafka)
* [jolokia](./plugins/inputs/jolokia) (deprecated, use [jolokia2](./plugins/inputs/jolokia2))
* [jti_openconfig_telemetry](./plugins/inputs/jti_openconfig_telemetry)
* [kafka_consumer](./plugins/inputs/kafka_consumer)
* [kapacitor](./plugins/inputs/kapacitor)
* [aws kinesis](./plugins/inputs/kinesis_consumer) (Amazon Kinesis)
* [kernel](./plugins/inputs/kernel)
* [kernel_vmstat](./plugins/inputs/kernel_vmstat)
* [kibana](./plugins/inputs/kibana)
* [kubernetes](./plugins/inputs/kubernetes)
* [kube_inventory](./plugins/inputs/kube_inventory)
* [lanz](./plugins/inputs/lanz)
* [leofs](./plugins/inputs/leofs)
* [linux_sysctl_fs](./plugins/inputs/linux_sysctl_fs)
* [logparser](./plugins/inputs/logparser) (deprecated, use [tail](/plugins/inputs/tail))
* [logstash](./plugins/inputs/logstash)
* [lustre2](./plugins/inputs/lustre2)
* [mailchimp](./plugins/inputs/mailchimp)
* [marklogic](./plugins/inputs/marklogic)
* [mcrouter](./plugins/inputs/mcrouter)
* [memcached](./plugins/inputs/memcached)
* [mem](./plugins/inputs/mem)
* [mesos](./plugins/inputs/mesos)
* [minecraft](./plugins/inputs/minecraft)
* [modbus](./plugins/inputs/modbus)
* [mongodb](./plugins/inputs/mongodb)
* [monit](./plugins/inputs/monit)
* [mqtt_consumer](./plugins/inputs/mqtt_consumer)
* [multifile](./plugins/inputs/multifile)
* [mysql](./plugins/inputs/mysql)
* [nats_consumer](./plugins/inputs/nats_consumer)
* [nats](./plugins/inputs/nats)
* [neptune_apex](./plugins/inputs/neptune_apex)
* [net](./plugins/inputs/net)
* [net_response](./plugins/inputs/net_response)
* [netstat](./plugins/inputs/net)
* [nginx](./plugins/inputs/nginx)
* [nginx_plus_api](./plugins/inputs/nginx_plus_api)
* [nginx_plus](./plugins/inputs/nginx_plus)
* [nginx_upstream_check](./plugins/inputs/nginx_upstream_check)
* [nginx_vts](./plugins/inputs/nginx_vts)
* [nsq_consumer](./plugins/inputs/nsq_consumer)
* [nsq](./plugins/inputs/nsq)
* [nstat](./plugins/inputs/nstat)
* [ntpq](./plugins/inputs/ntpq)
* [nvidia_smi](./plugins/inputs/nvidia_smi)
* [openldap](./plugins/inputs/openldap)
* [openntpd](./plugins/inputs/openntpd)
* [opensmtpd](./plugins/inputs/opensmtpd)
* [openweathermap](./plugins/inputs/openweathermap)
* [pf](./plugins/inputs/pf)
* [pgbouncer](./plugins/inputs/pgbouncer)
* [phpfpm](./plugins/inputs/phpfpm)
* [phusion passenger](./plugins/inputs/passenger)
* [ping](./plugins/inputs/ping)
* [postfix](./plugins/inputs/postfix)
* [postgresql_extensible](./plugins/inputs/postgresql_extensible)
* [postgresql](./plugins/inputs/postgresql)
* [powerdns](./plugins/inputs/powerdns)
* [powerdns_recursor](./plugins/inputs/powerdns_recursor)
* [processes](./plugins/inputs/processes)
* [procstat](./plugins/inputs/procstat)
* [prometheus](./plugins/inputs/prometheus) (can be used for [Caddy server](./plugins/inputs/prometheus/README.md#usage-for-caddy-http-server))
* [puppetagent](./plugins/inputs/puppetagent)
* [rabbitmq](./plugins/inputs/rabbitmq)
* [raindrops](./plugins/inputs/raindrops)
* [redis](./plugins/inputs/redis)
* [rethinkdb](./plugins/inputs/rethinkdb)
* [riak](./plugins/inputs/riak)
* [salesforce](./plugins/inputs/salesforce)
* [sensors](./plugins/inputs/sensors)
* [sflow](./plugins/inputs/sflow)
* [smart](./plugins/inputs/smart)
* [snmp_legacy](./plugins/inputs/snmp_legacy)
* [snmp](./plugins/inputs/snmp)
* [snmp_trap](./plugins/inputs/snmp_trap)
* [socket_listener](./plugins/inputs/socket_listener)
* [solr](./plugins/inputs/solr)
* [sql server](./plugins/inputs/sqlserver) (microsoft)
* [stackdriver](./plugins/inputs/stackdriver) (Google Cloud Monitoring)
* [statsd](./plugins/inputs/statsd)
* [suricata](./plugins/inputs/suricata)
* [swap](./plugins/inputs/swap)
* [synproxy](./plugins/inputs/synproxy)
* [syslog](./plugins/inputs/syslog)
* [sysstat](./plugins/inputs/sysstat)
* [systemd_units](./plugins/inputs/systemd_units)
* [system](./plugins/inputs/system)
* [tail](./plugins/inputs/tail)
* [temp](./plugins/inputs/temp)
* [tcp_listener](./plugins/inputs/socket_listener)
* [teamspeak](./plugins/inputs/teamspeak)
* [tengine](./plugins/inputs/tengine)
* [tomcat](./plugins/inputs/tomcat)
* [twemproxy](./plugins/inputs/twemproxy)
* [udp_listener](./plugins/inputs/socket_listener)
* [unbound](./plugins/inputs/unbound)
* [uwsgi](./plugins/inputs/uwsgi)
* [varnish](./plugins/inputs/varnish)
* [vsphere](./plugins/inputs/vsphere) VMware vSphere
* [webhooks](./plugins/inputs/webhooks)
* [filestack](./plugins/inputs/webhooks/filestack)
* [github](./plugins/inputs/webhooks/github)
* [mandrill](./plugins/inputs/webhooks/mandrill)
* [papertrail](./plugins/inputs/webhooks/papertrail)
* [particle](./plugins/inputs/webhooks/particle)
* [rollbar](./plugins/inputs/webhooks/rollbar)
* [win_perf_counters](./plugins/inputs/win_perf_counters) (windows performance counters)
* [win_services](./plugins/inputs/win_services)
* [wireguard](./plugins/inputs/wireguard)
* [wireless](./plugins/inputs/wireless)
* [x509_cert](./plugins/inputs/x509_cert)
* [zfs](./plugins/inputs/zfs)
* [zipkin](./plugins/inputs/zipkin)
* [zookeeper](./plugins/inputs/zookeeper)
## Parsers
- [InfluxDB Line Protocol](/plugins/parsers/influx)
- [Collectd](/plugins/parsers/collectd)
- [CSV](/plugins/parsers/csv)
- [Dropwizard](/plugins/parsers/dropwizard)
- [FormUrlencoded](/plugins/parser/form_urlencoded)
- [Graphite](/plugins/parsers/graphite)
- [Grok](/plugins/parsers/grok)
- [JSON](/plugins/parsers/json)
- [Logfmt](/plugins/parsers/logfmt)
- [Nagios](/plugins/parsers/nagios)
- [Value](/plugins/parsers/value), ie: 45 or "booyah"
- [Wavefront](/plugins/parsers/wavefront)
## Serializers
- [InfluxDB Line Protocol](/plugins/serializers/influx)
- [JSON](/plugins/serializers/json)
- [Graphite](/plugins/serializers/graphite)
- [ServiceNow](/plugins/serializers/nowmetric)
- [SplunkMetric](/plugins/serializers/splunkmetric)
- [Carbon2](/plugins/serializers/carbon2)
- [Wavefront](/plugins/serializers/wavefront)
## Processor Plugins
* [clone](/plugins/processors/clone)
* [converter](/plugins/processors/converter)
* [date](/plugins/processors/date)
* [dedup](/plugins/processors/dedup)
* [defaults](/plugins/processors/defaults)
* [enum](/plugins/processors/enum)
* [filepath](/plugins/processors/filepath)
* [override](/plugins/processors/override)
* [parser](/plugins/processors/parser)
* [pivot](/plugins/processors/pivot)
* [printer](/plugins/processors/printer)
* [regex](/plugins/processors/regex)
* [rename](/plugins/processors/rename)
* [s2geo](/plugins/processors/s2geo)
* [strings](/plugins/processors/strings)
* [tag_limit](/plugins/processors/tag_limit)
* [template](/plugins/processors/template)
* [topk](/plugins/processors/topk)
* [unpivot](/plugins/processors/unpivot)
## Aggregator Plugins
* [basicstats](./plugins/aggregators/basicstats)
* [final](./plugins/aggregators/final)
* [histogram](./plugins/aggregators/histogram)
* [merge](./plugins/aggregators/merge)
* [minmax](./plugins/aggregators/minmax)
* [valuecounter](./plugins/aggregators/valuecounter)
## Output Plugins
* [influxdb](./plugins/outputs/influxdb) (InfluxDB 1.x)
* [influxdb_v2](./plugins/outputs/influxdb_v2) ([InfluxDB 2.x](https://github.com/influxdata/influxdb))
* [amon](./plugins/outputs/amon)
* [amqp](./plugins/outputs/amqp) (rabbitmq)
* [application_insights](./plugins/outputs/application_insights)
* [aws kinesis](./plugins/outputs/kinesis)
* [aws cloudwatch](./plugins/outputs/cloudwatch)
* [azure_monitor](./plugins/outputs/azure_monitor)
* [cloud_pubsub](./plugins/outputs/cloud_pubsub) Google Cloud Pub/Sub
* [cratedb](./plugins/outputs/cratedb)
* [datadog](./plugins/outputs/datadog)
* [discard](./plugins/outputs/discard)
* [elasticsearch](./plugins/outputs/elasticsearch)
* [exec](./plugins/outputs/exec)
* [file](./plugins/outputs/file)
* [graphite](./plugins/outputs/graphite)
* [graylog](./plugins/outputs/graylog)
* [health](./plugins/outputs/health)
* [http](./plugins/outputs/http)
* [instrumental](./plugins/outputs/instrumental)
* [kafka](./plugins/outputs/kafka)
* [librato](./plugins/outputs/librato)
* [mqtt](./plugins/outputs/mqtt)
* [nats](./plugins/outputs/nats)
* [newrelic](./plugins/outputs/newrelic)
* [nsq](./plugins/outputs/nsq)
* [opentsdb](./plugins/outputs/opentsdb)
* [prometheus](./plugins/outputs/prometheus_client)
* [riemann](./plugins/outputs/riemann)
* [riemann_legacy](./plugins/outputs/riemann_legacy)
* [socket_writer](./plugins/outputs/socket_writer)
* [stackdriver](./plugins/outputs/stackdriver) (Google Cloud Monitoring)
* [syslog](./plugins/outputs/syslog)
* [tcp](./plugins/outputs/socket_writer)
* [udp](./plugins/outputs/socket_writer)
* [warp10](./plugins/outputs/warp10)
* [wavefront](./plugins/outputs/wavefront)
Please see the
[contributing guide](CONTRIBUTING.md)
for details on contributing a plugin to Telegraf.

View File

@ -1,85 +1,21 @@
package telegraf
import (
"time"
)
import "time"
// Accumulator allows adding metrics to the processing flow.
type Accumulator interface {
// AddFields adds a metric to the accumulator with the given measurement
// name, fields, and tags (and timestamp). If a timestamp is not provided,
// then the accumulator sets it to "now".
// Create a point with a value, decorating it with tags
// NOTE: tags is expected to be owned by the caller, don't mutate
// it after passing to Add.
Add(measurement string,
value interface{},
tags map[string]string,
t ...time.Time)
AddFields(measurement string,
fields map[string]interface{},
tags map[string]string,
t ...time.Time)
// AddGauge is the same as AddFields, but will add the metric as a "Gauge" type
AddGauge(measurement string,
fields map[string]interface{},
tags map[string]string,
t ...time.Time)
// AddCounter is the same as AddFields, but will add the metric as a "Counter" type
AddCounter(measurement string,
fields map[string]interface{},
tags map[string]string,
t ...time.Time)
// AddSummary is the same as AddFields, but will add the metric as a "Summary" type
AddSummary(measurement string,
fields map[string]interface{},
tags map[string]string,
t ...time.Time)
// AddHistogram is the same as AddFields, but will add the metric as a "Histogram" type
AddHistogram(measurement string,
fields map[string]interface{},
tags map[string]string,
t ...time.Time)
// AddMetric adds an metric to the accumulator.
AddMetric(Metric)
// SetPrecision sets the timestamp rounding precision. All metrics addeds
// added to the accumulator will have their timestamp rounded to the
// nearest multiple of precision.
SetPrecision(precision time.Duration)
// Report an error.
AddError(err error)
// Upgrade to a TrackingAccumulator with space for maxTracked
// metrics/batches.
WithTracking(maxTracked int) TrackingAccumulator
}
// TrackingID uniquely identifies a tracked metric group
type TrackingID uint64
// DeliveryInfo provides the results of a delivered metric group.
type DeliveryInfo interface {
// ID is the TrackingID
ID() TrackingID
// Delivered returns true if the metric was processed successfully.
Delivered() bool
}
// TrackingAccumulator is an Accumulator that provides a signal when the
// metric has been fully processed. Sending more metrics than the accumulator
// has been allocated for without reading status from the Accepted or Rejected
// channels is an error.
type TrackingAccumulator interface {
Accumulator
// Add the Metric and arrange for tracking feedback after processing..
AddTrackingMetric(m Metric) TrackingID
// Add a group of Metrics and arrange for a signal when the group has been
// processed.
AddTrackingMetricGroup(group []Metric) TrackingID
// Delivered returns a channel that will contain the tracking results.
Delivered() <-chan DeliveryInfo
Debug() bool
SetDebug(enabled bool)
}

View File

@ -1,34 +1,49 @@
package agent
import (
"fmt"
"log"
"math"
"sync"
"time"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/metric"
"github.com/influxdata/telegraf/internal/models"
)
type MetricMaker interface {
LogName() string
MakeMetric(metric telegraf.Metric) telegraf.Metric
Log() telegraf.Logger
func NewAccumulator(
inputConfig *internal_models.InputConfig,
metrics chan telegraf.Metric,
) *accumulator {
acc := accumulator{}
acc.metrics = metrics
acc.inputConfig = inputConfig
return &acc
}
type accumulator struct {
maker MetricMaker
metrics chan<- telegraf.Metric
precision time.Duration
sync.Mutex
metrics chan telegraf.Metric
defaultTags map[string]string
debug bool
inputConfig *internal_models.InputConfig
prefix string
}
func NewAccumulator(
maker MetricMaker,
metrics chan<- telegraf.Metric,
) telegraf.Accumulator {
acc := accumulator{
maker: maker,
metrics: metrics,
precision: time.Nanosecond,
}
return &acc
func (ac *accumulator) Add(
measurement string,
value interface{},
tags map[string]string,
t ...time.Time,
) {
fields := make(map[string]interface{})
fields["value"] = value
ac.AddFields(measurement, fields, tags, t...)
}
func (ac *accumulator) AddFields(
@ -37,127 +52,112 @@ func (ac *accumulator) AddFields(
tags map[string]string,
t ...time.Time,
) {
ac.addFields(measurement, tags, fields, telegraf.Untyped, t...)
}
func (ac *accumulator) AddGauge(
measurement string,
fields map[string]interface{},
tags map[string]string,
t ...time.Time,
) {
ac.addFields(measurement, tags, fields, telegraf.Gauge, t...)
}
func (ac *accumulator) AddCounter(
measurement string,
fields map[string]interface{},
tags map[string]string,
t ...time.Time,
) {
ac.addFields(measurement, tags, fields, telegraf.Counter, t...)
}
func (ac *accumulator) AddSummary(
measurement string,
fields map[string]interface{},
tags map[string]string,
t ...time.Time,
) {
ac.addFields(measurement, tags, fields, telegraf.Summary, t...)
}
func (ac *accumulator) AddHistogram(
measurement string,
fields map[string]interface{},
tags map[string]string,
t ...time.Time,
) {
ac.addFields(measurement, tags, fields, telegraf.Histogram, t...)
}
func (ac *accumulator) AddMetric(m telegraf.Metric) {
m.SetTime(m.Time().Round(ac.precision))
if m := ac.maker.MakeMetric(m); m != nil {
ac.metrics <- m
}
}
func (ac *accumulator) addFields(
measurement string,
tags map[string]string,
fields map[string]interface{},
tp telegraf.ValueType,
t ...time.Time,
) {
m, err := metric.New(measurement, tags, fields, ac.getTime(t), tp)
if err != nil {
if len(fields) == 0 || len(measurement) == 0 {
return
}
if m := ac.maker.MakeMetric(m); m != nil {
ac.metrics <- m
}
}
// AddError passes a runtime error to the accumulator.
// The error will be tagged with the plugin name and written to the log.
func (ac *accumulator) AddError(err error) {
if err == nil {
if !ac.inputConfig.Filter.ShouldTagsPass(tags) {
return
}
ac.maker.Log().Errorf("Error in plugin: %v", err)
}
func (ac *accumulator) SetPrecision(precision time.Duration) {
ac.precision = precision
}
// Override measurement name if set
if len(ac.inputConfig.NameOverride) != 0 {
measurement = ac.inputConfig.NameOverride
}
// Apply measurement prefix and suffix if set
if len(ac.inputConfig.MeasurementPrefix) != 0 {
measurement = ac.inputConfig.MeasurementPrefix + measurement
}
if len(ac.inputConfig.MeasurementSuffix) != 0 {
measurement = measurement + ac.inputConfig.MeasurementSuffix
}
if tags == nil {
tags = make(map[string]string)
}
// Apply plugin-wide tags if set
for k, v := range ac.inputConfig.Tags {
if _, ok := tags[k]; !ok {
tags[k] = v
}
}
// Apply daemon-wide tags if set
for k, v := range ac.defaultTags {
if _, ok := tags[k]; !ok {
tags[k] = v
}
}
result := make(map[string]interface{})
for k, v := range fields {
// Filter out any filtered fields
if ac.inputConfig != nil {
if !ac.inputConfig.Filter.ShouldPass(k) {
continue
}
}
result[k] = v
// Validate uint64 and float64 fields
switch val := v.(type) {
case uint64:
// InfluxDB does not support writing uint64
if val < uint64(9223372036854775808) {
result[k] = int64(val)
} else {
result[k] = int64(9223372036854775807)
}
case float64:
// NaNs are invalid values in influxdb, skip measurement
if math.IsNaN(val) || math.IsInf(val, 0) {
if ac.debug {
log.Printf("Measurement [%s] field [%s] has a NaN or Inf "+
"field, skipping",
measurement, k)
}
continue
}
}
}
fields = nil
if len(result) == 0 {
return
}
func (ac *accumulator) getTime(t []time.Time) time.Time {
var timestamp time.Time
if len(t) > 0 {
timestamp = t[0]
} else {
timestamp = time.Now()
}
return timestamp.Round(ac.precision)
}
func (ac *accumulator) WithTracking(maxTracked int) telegraf.TrackingAccumulator {
return &trackingAccumulator{
Accumulator: ac,
delivered: make(chan telegraf.DeliveryInfo, maxTracked),
if ac.prefix != "" {
measurement = ac.prefix + measurement
}
}
type trackingAccumulator struct {
telegraf.Accumulator
delivered chan telegraf.DeliveryInfo
}
func (a *trackingAccumulator) AddTrackingMetric(m telegraf.Metric) telegraf.TrackingID {
dm, id := metric.WithTracking(m, a.onDelivery)
a.AddMetric(dm)
return id
}
func (a *trackingAccumulator) AddTrackingMetricGroup(group []telegraf.Metric) telegraf.TrackingID {
db, id := metric.WithGroupTracking(group, a.onDelivery)
for _, m := range db {
a.AddMetric(m)
m, err := telegraf.NewMetric(measurement, tags, result, timestamp)
if err != nil {
log.Printf("Error adding point [%s]: %s\n", measurement, err.Error())
return
}
return id
}
func (a *trackingAccumulator) Delivered() <-chan telegraf.DeliveryInfo {
return a.delivered
}
func (a *trackingAccumulator) onDelivery(info telegraf.DeliveryInfo) {
select {
case a.delivered <- info:
default:
// This is a programming error in the input. More items were sent for
// tracking than space requested.
panic("channel is full")
if ac.debug {
fmt.Println("> " + m.String())
}
ac.metrics <- m
}
func (ac *accumulator) Debug() bool {
return ac.debug
}
func (ac *accumulator) SetDebug(debug bool) {
ac.debug = debug
}
func (ac *accumulator) setDefaultTags(tags map[string]string) {
ac.defaultTags = tags
}
func (ac *accumulator) addDefaultTag(key, value string) {
ac.defaultTags[key] = value
}

View File

@ -1,160 +0,0 @@
package agent
import (
"bytes"
"fmt"
"log"
"os"
"testing"
"time"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/models"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestAddFields(t *testing.T) {
metrics := make(chan telegraf.Metric, 10)
defer close(metrics)
a := NewAccumulator(&TestMetricMaker{}, metrics)
tags := map[string]string{"foo": "bar"}
fields := map[string]interface{}{
"usage": float64(99),
}
now := time.Now()
a.AddCounter("acctest", fields, tags, now)
testm := <-metrics
require.Equal(t, "acctest", testm.Name())
actual, ok := testm.GetField("usage")
require.True(t, ok)
require.Equal(t, float64(99), actual)
actual, ok = testm.GetTag("foo")
require.True(t, ok)
require.Equal(t, "bar", actual)
tm := testm.Time()
// okay if monotonic clock differs
require.True(t, now.Equal(tm))
tp := testm.Type()
require.Equal(t, telegraf.Counter, tp)
}
func TestAccAddError(t *testing.T) {
errBuf := bytes.NewBuffer(nil)
log.SetOutput(errBuf)
defer log.SetOutput(os.Stderr)
metrics := make(chan telegraf.Metric, 10)
defer close(metrics)
a := NewAccumulator(&TestMetricMaker{}, metrics)
a.AddError(fmt.Errorf("foo"))
a.AddError(fmt.Errorf("bar"))
a.AddError(fmt.Errorf("baz"))
errs := bytes.Split(errBuf.Bytes(), []byte{'\n'})
require.Len(t, errs, 4) // 4 because of trailing newline
assert.Contains(t, string(errs[0]), "TestPlugin")
assert.Contains(t, string(errs[0]), "foo")
assert.Contains(t, string(errs[1]), "TestPlugin")
assert.Contains(t, string(errs[1]), "bar")
assert.Contains(t, string(errs[2]), "TestPlugin")
assert.Contains(t, string(errs[2]), "baz")
}
func TestSetPrecision(t *testing.T) {
tests := []struct {
name string
unset bool
precision time.Duration
timestamp time.Time
expected time.Time
}{
{
name: "default precision is nanosecond",
unset: true,
timestamp: time.Date(2006, time.February, 10, 12, 0, 0, 82912748, time.UTC),
expected: time.Date(2006, time.February, 10, 12, 0, 0, 82912748, time.UTC),
},
{
name: "second interval",
precision: time.Second,
timestamp: time.Date(2006, time.February, 10, 12, 0, 0, 82912748, time.UTC),
expected: time.Date(2006, time.February, 10, 12, 0, 0, 0, time.UTC),
},
{
name: "microsecond interval",
precision: time.Microsecond,
timestamp: time.Date(2006, time.February, 10, 12, 0, 0, 82912748, time.UTC),
expected: time.Date(2006, time.February, 10, 12, 0, 0, 82913000, time.UTC),
},
{
name: "2 second precision",
precision: 2 * time.Second,
timestamp: time.Date(2006, time.February, 10, 12, 0, 2, 4, time.UTC),
expected: time.Date(2006, time.February, 10, 12, 0, 2, 0, time.UTC),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
metrics := make(chan telegraf.Metric, 10)
a := NewAccumulator(&TestMetricMaker{}, metrics)
if !tt.unset {
a.SetPrecision(tt.precision)
}
a.AddFields("acctest",
map[string]interface{}{"value": float64(101)},
map[string]string{},
tt.timestamp,
)
testm := <-metrics
require.Equal(t, tt.expected, testm.Time())
close(metrics)
})
}
}
func TestAddTrackingMetricGroupEmpty(t *testing.T) {
ch := make(chan telegraf.Metric, 10)
metrics := []telegraf.Metric{}
acc := NewAccumulator(&TestMetricMaker{}, ch).WithTracking(1)
id := acc.AddTrackingMetricGroup(metrics)
select {
case tracking := <-acc.Delivered():
require.Equal(t, tracking.ID(), id)
default:
t.Fatal("empty group should be delivered immediately")
}
}
type TestMetricMaker struct {
}
func (tm *TestMetricMaker) Name() string {
return "TestPlugin"
}
func (tm *TestMetricMaker) LogName() string {
return tm.Name()
}
func (tm *TestMetricMaker) MakeMetric(metric telegraf.Metric) telegraf.Metric {
return metric
}
func (tm *TestMetricMaker) Log() telegraf.Logger {
return models.NewLogger("TestPlugin", "test", "")
}

File diff suppressed because it is too large Load Diff

View File

@ -1,19 +0,0 @@
// +build !windows
package agent
import (
"os"
"os/signal"
"syscall"
)
const flushSignal = syscall.SIGUSR1
func watchForFlushSignal(flushRequested chan os.Signal) {
signal.Notify(flushRequested, flushSignal)
}
func stopListeningForFlushSignal(flushRequested chan os.Signal) {
defer signal.Stop(flushRequested)
}

View File

@ -1,56 +1,50 @@
package agent
import (
"github.com/stretchr/testify/assert"
"testing"
"time"
"github.com/influxdata/telegraf/config"
_ "github.com/influxdata/telegraf/plugins/inputs/all"
_ "github.com/influxdata/telegraf/plugins/outputs/all"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
"github.com/influxdata/telegraf/internal/config"
func TestAgent_OmitHostname(t *testing.T) {
c := config.NewConfig()
c.Agent.OmitHostname = true
_, err := NewAgent(c)
assert.NoError(t, err)
assert.NotContains(t, c.Tags, "host")
}
// needing to load the plugins
_ "github.com/influxdata/telegraf/plugins/inputs/all"
// needing to load the outputs
_ "github.com/influxdata/telegraf/plugins/outputs/all"
)
func TestAgent_LoadPlugin(t *testing.T) {
c := config.NewConfig()
c.InputFilters = []string{"mysql"}
err := c.LoadConfig("../config/testdata/telegraf-agent.toml")
err := c.LoadConfig("../internal/config/testdata/telegraf-agent.toml")
assert.NoError(t, err)
a, _ := NewAgent(c)
assert.Equal(t, 1, len(a.Config.Inputs))
c = config.NewConfig()
c.InputFilters = []string{"foo"}
err = c.LoadConfig("../config/testdata/telegraf-agent.toml")
err = c.LoadConfig("../internal/config/testdata/telegraf-agent.toml")
assert.NoError(t, err)
a, _ = NewAgent(c)
assert.Equal(t, 0, len(a.Config.Inputs))
c = config.NewConfig()
c.InputFilters = []string{"mysql", "foo"}
err = c.LoadConfig("../config/testdata/telegraf-agent.toml")
err = c.LoadConfig("../internal/config/testdata/telegraf-agent.toml")
assert.NoError(t, err)
a, _ = NewAgent(c)
assert.Equal(t, 1, len(a.Config.Inputs))
c = config.NewConfig()
c.InputFilters = []string{"mysql", "redis"}
err = c.LoadConfig("../config/testdata/telegraf-agent.toml")
err = c.LoadConfig("../internal/config/testdata/telegraf-agent.toml")
assert.NoError(t, err)
a, _ = NewAgent(c)
assert.Equal(t, 2, len(a.Config.Inputs))
c = config.NewConfig()
c.InputFilters = []string{"mysql", "foo", "redis", "bar"}
err = c.LoadConfig("../config/testdata/telegraf-agent.toml")
err = c.LoadConfig("../internal/config/testdata/telegraf-agent.toml")
assert.NoError(t, err)
a, _ = NewAgent(c)
assert.Equal(t, 2, len(a.Config.Inputs))
@ -59,42 +53,42 @@ func TestAgent_LoadPlugin(t *testing.T) {
func TestAgent_LoadOutput(t *testing.T) {
c := config.NewConfig()
c.OutputFilters = []string{"influxdb"}
err := c.LoadConfig("../config/testdata/telegraf-agent.toml")
err := c.LoadConfig("../internal/config/testdata/telegraf-agent.toml")
assert.NoError(t, err)
a, _ := NewAgent(c)
assert.Equal(t, 2, len(a.Config.Outputs))
c = config.NewConfig()
c.OutputFilters = []string{"kafka"}
err = c.LoadConfig("../config/testdata/telegraf-agent.toml")
err = c.LoadConfig("../internal/config/testdata/telegraf-agent.toml")
assert.NoError(t, err)
a, _ = NewAgent(c)
assert.Equal(t, 1, len(a.Config.Outputs))
c = config.NewConfig()
c.OutputFilters = []string{}
err = c.LoadConfig("../config/testdata/telegraf-agent.toml")
err = c.LoadConfig("../internal/config/testdata/telegraf-agent.toml")
assert.NoError(t, err)
a, _ = NewAgent(c)
assert.Equal(t, 3, len(a.Config.Outputs))
c = config.NewConfig()
c.OutputFilters = []string{"foo"}
err = c.LoadConfig("../config/testdata/telegraf-agent.toml")
err = c.LoadConfig("../internal/config/testdata/telegraf-agent.toml")
assert.NoError(t, err)
a, _ = NewAgent(c)
assert.Equal(t, 0, len(a.Config.Outputs))
c = config.NewConfig()
c.OutputFilters = []string{"influxdb", "foo"}
err = c.LoadConfig("../config/testdata/telegraf-agent.toml")
err = c.LoadConfig("../internal/config/testdata/telegraf-agent.toml")
assert.NoError(t, err)
a, _ = NewAgent(c)
assert.Equal(t, 2, len(a.Config.Outputs))
c = config.NewConfig()
c.OutputFilters = []string{"influxdb", "kafka"}
err = c.LoadConfig("../config/testdata/telegraf-agent.toml")
err = c.LoadConfig("../internal/config/testdata/telegraf-agent.toml")
assert.NoError(t, err)
assert.Equal(t, 3, len(c.Outputs))
a, _ = NewAgent(c)
@ -102,67 +96,80 @@ func TestAgent_LoadOutput(t *testing.T) {
c = config.NewConfig()
c.OutputFilters = []string{"influxdb", "foo", "kafka", "bar"}
err = c.LoadConfig("../config/testdata/telegraf-agent.toml")
err = c.LoadConfig("../internal/config/testdata/telegraf-agent.toml")
assert.NoError(t, err)
a, _ = NewAgent(c)
assert.Equal(t, 3, len(a.Config.Outputs))
}
func TestWindow(t *testing.T) {
parse := func(s string) time.Time {
tm, err := time.Parse(time.RFC3339, s)
if err != nil {
panic(err)
}
return tm
}
func TestAgent_ZeroJitter(t *testing.T) {
flushinterval := jitterInterval(time.Duration(10*time.Second),
time.Duration(0*time.Second))
tests := []struct {
name string
start time.Time
roundInterval bool
period time.Duration
since time.Time
until time.Time
}{
{
name: "round with exact alignment",
start: parse("2018-03-27T00:00:00Z"),
roundInterval: true,
period: 30 * time.Second,
since: parse("2018-03-27T00:00:00Z"),
until: parse("2018-03-27T00:00:30Z"),
},
{
name: "round with alignment needed",
start: parse("2018-03-27T00:00:05Z"),
roundInterval: true,
period: 30 * time.Second,
since: parse("2018-03-27T00:00:00Z"),
until: parse("2018-03-27T00:00:30Z"),
},
{
name: "no round with exact alignment",
start: parse("2018-03-27T00:00:00Z"),
roundInterval: false,
period: 30 * time.Second,
since: parse("2018-03-27T00:00:00Z"),
until: parse("2018-03-27T00:00:30Z"),
},
{
name: "no found with alignment needed",
start: parse("2018-03-27T00:00:05Z"),
roundInterval: false,
period: 30 * time.Second,
since: parse("2018-03-27T00:00:05Z"),
until: parse("2018-03-27T00:00:35Z"),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
since, until := updateWindow(tt.start, tt.roundInterval, tt.period)
require.Equal(t, tt.since, since, "since")
require.Equal(t, tt.until, until, "until")
})
actual := flushinterval.Nanoseconds()
exp := time.Duration(10 * time.Second).Nanoseconds()
if actual != exp {
t.Errorf("Actual %v, expected %v", actual, exp)
}
}
func TestAgent_ZeroInterval(t *testing.T) {
min := time.Duration(500 * time.Millisecond).Nanoseconds()
max := time.Duration(5 * time.Second).Nanoseconds()
for i := 0; i < 1000; i++ {
flushinterval := jitterInterval(time.Duration(0*time.Second),
time.Duration(5*time.Second))
actual := flushinterval.Nanoseconds()
if actual > max {
t.Errorf("Didn't expect interval %d to be > %d", actual, max)
break
}
if actual < min {
t.Errorf("Didn't expect interval %d to be < %d", actual, min)
break
}
}
}
func TestAgent_ZeroBoth(t *testing.T) {
flushinterval := jitterInterval(time.Duration(0*time.Second),
time.Duration(0*time.Second))
actual := flushinterval
exp := time.Duration(500 * time.Millisecond)
if actual != exp {
t.Errorf("Actual %v, expected %v", actual, exp)
}
}
func TestAgent_JitterMax(t *testing.T) {
max := time.Duration(32 * time.Second).Nanoseconds()
for i := 0; i < 1000; i++ {
flushinterval := jitterInterval(time.Duration(30*time.Second),
time.Duration(2*time.Second))
actual := flushinterval.Nanoseconds()
if actual > max {
t.Errorf("Didn't expect interval %d to be > %d", actual, max)
break
}
}
}
func TestAgent_JitterMin(t *testing.T) {
min := time.Duration(30 * time.Second).Nanoseconds()
for i := 0; i < 1000; i++ {
flushinterval := jitterInterval(time.Duration(30*time.Second),
time.Duration(2*time.Second))
actual := flushinterval.Nanoseconds()
if actual < min {
t.Errorf("Didn't expect interval %d to be < %d", actual, min)
break
}
}
}

View File

@ -1,13 +0,0 @@
// +build windows
package agent
import "os"
func watchForFlushSignal(flushRequested chan os.Signal) {
// not supported
}
func stopListeningForFlushSignal(flushRequested chan os.Signal) {
// not supported
}

View File

@ -1,268 +0,0 @@
package agent
import (
"context"
"sync"
"time"
"github.com/benbjohnson/clock"
"github.com/influxdata/telegraf/internal"
)
type empty struct{}
type Ticker interface {
Elapsed() <-chan time.Time
Stop()
}
// AlignedTicker delivers ticks at aligned times plus an optional jitter. Each
// tick is realigned to avoid drift and handle changes to the system clock.
//
// The ticks may have an jitter duration applied to them as an random offset to
// the interval. However the overall pace of is that of the interval, so on
// average you will have one collection each interval.
//
// The first tick is emitted at the next alignment.
//
// Ticks are dropped for slow consumers.
//
// The implementation currently does not recalculate until the next tick with
// no maximum sleep, when using large intervals alignment is not corrected
// until the next tick.
type AlignedTicker struct {
interval time.Duration
jitter time.Duration
ch chan time.Time
cancel context.CancelFunc
wg sync.WaitGroup
}
func NewAlignedTicker(now time.Time, interval, jitter time.Duration) *AlignedTicker {
return newAlignedTicker(now, interval, jitter, clock.New())
}
func newAlignedTicker(now time.Time, interval, jitter time.Duration, clock clock.Clock) *AlignedTicker {
ctx, cancel := context.WithCancel(context.Background())
t := &AlignedTicker{
interval: interval,
jitter: jitter,
ch: make(chan time.Time, 1),
cancel: cancel,
}
d := t.next(now)
timer := clock.Timer(d)
t.wg.Add(1)
go func() {
defer t.wg.Done()
t.run(ctx, timer)
}()
return t
}
func (t *AlignedTicker) next(now time.Time) time.Duration {
next := internal.AlignTime(now, t.interval)
d := next.Sub(now)
if d == 0 {
d = t.interval
}
d += internal.RandomDuration(t.jitter)
return d
}
func (t *AlignedTicker) run(ctx context.Context, timer *clock.Timer) {
for {
select {
case <-ctx.Done():
timer.Stop()
return
case now := <-timer.C:
select {
case t.ch <- now:
default:
}
d := t.next(now)
timer.Reset(d)
}
}
}
func (t *AlignedTicker) Elapsed() <-chan time.Time {
return t.ch
}
func (t *AlignedTicker) Stop() {
t.cancel()
t.wg.Wait()
}
// UnalignedTicker delivers ticks at regular but unaligned intervals. No
// effort is made to avoid drift.
//
// The ticks may have an jitter duration applied to them as an random offset to
// the interval. However the overall pace of is that of the interval, so on
// average you will have one collection each interval.
//
// The first tick is emitted immediately.
//
// Ticks are dropped for slow consumers.
type UnalignedTicker struct {
interval time.Duration
jitter time.Duration
ch chan time.Time
cancel context.CancelFunc
wg sync.WaitGroup
}
func NewUnalignedTicker(interval, jitter time.Duration) *UnalignedTicker {
return newUnalignedTicker(interval, jitter, clock.New())
}
func newUnalignedTicker(interval, jitter time.Duration, clock clock.Clock) *UnalignedTicker {
ctx, cancel := context.WithCancel(context.Background())
t := &UnalignedTicker{
interval: interval,
jitter: jitter,
ch: make(chan time.Time, 1),
cancel: cancel,
}
ticker := clock.Ticker(t.interval)
t.ch <- clock.Now()
t.wg.Add(1)
go func() {
defer t.wg.Done()
t.run(ctx, ticker, clock)
}()
return t
}
func sleep(ctx context.Context, duration time.Duration, clock clock.Clock) error {
if duration == 0 {
return nil
}
t := clock.Timer(duration)
select {
case <-t.C:
return nil
case <-ctx.Done():
t.Stop()
return ctx.Err()
}
}
func (t *UnalignedTicker) run(ctx context.Context, ticker *clock.Ticker, clock clock.Clock) {
for {
select {
case <-ctx.Done():
ticker.Stop()
return
case <-ticker.C:
jitter := internal.RandomDuration(t.jitter)
err := sleep(ctx, jitter, clock)
if err != nil {
ticker.Stop()
return
}
select {
case t.ch <- clock.Now():
default:
}
}
}
}
func (t *UnalignedTicker) InjectTick() {
t.ch <- time.Now()
}
func (t *UnalignedTicker) Elapsed() <-chan time.Time {
return t.ch
}
func (t *UnalignedTicker) Stop() {
t.cancel()
t.wg.Wait()
}
// RollingTicker delivers ticks at regular but unaligned intervals.
//
// Because the next interval is scheduled based on the interval + jitter, you
// are guaranteed at least interval seconds without missing a tick and ticks
// will be evenly scheduled over time.
//
// On average you will have one collection each interval + (jitter/2).
//
// The first tick is emitted after interval+jitter seconds.
//
// Ticks are dropped for slow consumers.
type RollingTicker struct {
interval time.Duration
jitter time.Duration
ch chan time.Time
cancel context.CancelFunc
wg sync.WaitGroup
}
func NewRollingTicker(interval, jitter time.Duration) *RollingTicker {
return newRollingTicker(interval, jitter, clock.New())
}
func newRollingTicker(interval, jitter time.Duration, clock clock.Clock) *RollingTicker {
ctx, cancel := context.WithCancel(context.Background())
t := &RollingTicker{
interval: interval,
jitter: jitter,
ch: make(chan time.Time, 1),
cancel: cancel,
}
d := t.next()
timer := clock.Timer(d)
t.wg.Add(1)
go func() {
defer t.wg.Done()
t.run(ctx, timer)
}()
return t
}
func (t *RollingTicker) next() time.Duration {
return t.interval + internal.RandomDuration(t.jitter)
}
func (t *RollingTicker) run(ctx context.Context, timer *clock.Timer) {
for {
select {
case <-ctx.Done():
timer.Stop()
return
case now := <-timer.C:
select {
case t.ch <- now:
default:
}
d := t.next()
timer.Reset(d)
}
}
}
func (t *RollingTicker) Elapsed() <-chan time.Time {
return t.ch
}
func (t *RollingTicker) Stop() {
t.cancel()
t.wg.Wait()
}

View File

@ -1,251 +0,0 @@
package agent
import (
"fmt"
"strings"
"testing"
"time"
"github.com/benbjohnson/clock"
"github.com/stretchr/testify/require"
)
var format = "2006-01-02T15:04:05.999Z07:00"
func TestAlignedTicker(t *testing.T) {
interval := 10 * time.Second
jitter := 0 * time.Second
clock := clock.NewMock()
since := clock.Now()
until := since.Add(60 * time.Second)
ticker := newAlignedTicker(since, interval, jitter, clock)
expected := []time.Time{
time.Unix(10, 0).UTC(),
time.Unix(20, 0).UTC(),
time.Unix(30, 0).UTC(),
time.Unix(40, 0).UTC(),
time.Unix(50, 0).UTC(),
time.Unix(60, 0).UTC(),
}
actual := []time.Time{}
for !clock.Now().After(until) {
select {
case tm := <-ticker.Elapsed():
actual = append(actual, tm.UTC())
default:
}
clock.Add(10 * time.Second)
}
require.Equal(t, expected, actual)
}
func TestAlignedTickerJitter(t *testing.T) {
interval := 10 * time.Second
jitter := 5 * time.Second
clock := clock.NewMock()
since := clock.Now()
until := since.Add(60 * time.Second)
ticker := newAlignedTicker(since, interval, jitter, clock)
last := since
for !clock.Now().After(until) {
select {
case tm := <-ticker.Elapsed():
require.True(t, tm.Sub(last) <= 15*time.Second)
require.True(t, tm.Sub(last) >= 5*time.Second)
last = last.Add(interval)
default:
}
clock.Add(5 * time.Second)
}
}
func TestAlignedTickerMissedTick(t *testing.T) {
interval := 10 * time.Second
jitter := 0 * time.Second
clock := clock.NewMock()
since := clock.Now()
ticker := newAlignedTicker(since, interval, jitter, clock)
clock.Add(25 * time.Second)
tm := <-ticker.Elapsed()
require.Equal(t, time.Unix(10, 0).UTC(), tm.UTC())
clock.Add(5 * time.Second)
tm = <-ticker.Elapsed()
require.Equal(t, time.Unix(30, 0).UTC(), tm.UTC())
}
func TestUnalignedTicker(t *testing.T) {
interval := 10 * time.Second
jitter := 0 * time.Second
clock := clock.NewMock()
clock.Add(1 * time.Second)
since := clock.Now()
until := since.Add(60 * time.Second)
ticker := newUnalignedTicker(interval, jitter, clock)
expected := []time.Time{
time.Unix(1, 0).UTC(),
time.Unix(11, 0).UTC(),
time.Unix(21, 0).UTC(),
time.Unix(31, 0).UTC(),
time.Unix(41, 0).UTC(),
time.Unix(51, 0).UTC(),
time.Unix(61, 0).UTC(),
}
actual := []time.Time{}
for !clock.Now().After(until) {
select {
case tm := <-ticker.Elapsed():
actual = append(actual, tm.UTC())
default:
}
clock.Add(10 * time.Second)
}
require.Equal(t, expected, actual)
}
func TestRollingTicker(t *testing.T) {
interval := 10 * time.Second
jitter := 0 * time.Second
clock := clock.NewMock()
clock.Add(1 * time.Second)
since := clock.Now()
until := since.Add(60 * time.Second)
ticker := newUnalignedTicker(interval, jitter, clock)
expected := []time.Time{
time.Unix(1, 0).UTC(),
time.Unix(11, 0).UTC(),
time.Unix(21, 0).UTC(),
time.Unix(31, 0).UTC(),
time.Unix(41, 0).UTC(),
time.Unix(51, 0).UTC(),
time.Unix(61, 0).UTC(),
}
actual := []time.Time{}
for !clock.Now().After(until) {
select {
case tm := <-ticker.Elapsed():
actual = append(actual, tm.UTC())
default:
}
clock.Add(10 * time.Second)
}
require.Equal(t, expected, actual)
}
// Simulates running the Ticker for an hour and displays stats about the
// operation.
func TestAlignedTickerDistribution(t *testing.T) {
if testing.Short() {
t.Skip("skipping test in short mode.")
}
interval := 10 * time.Second
jitter := 5 * time.Second
clock := clock.NewMock()
since := clock.Now()
ticker := newAlignedTicker(since, interval, jitter, clock)
dist := simulatedDist(ticker, clock)
printDist(dist)
require.True(t, 350 < dist.Count)
require.True(t, 9 < dist.Mean() && dist.Mean() < 11)
}
// Simulates running the Ticker for an hour and displays stats about the
// operation.
func TestUnalignedTickerDistribution(t *testing.T) {
if testing.Short() {
t.Skip("skipping test in short mode.")
}
interval := 10 * time.Second
jitter := 5 * time.Second
clock := clock.NewMock()
ticker := newUnalignedTicker(interval, jitter, clock)
dist := simulatedDist(ticker, clock)
printDist(dist)
require.True(t, 350 < dist.Count)
require.True(t, 9 < dist.Mean() && dist.Mean() < 11)
}
// Simulates running the Ticker for an hour and displays stats about the
// operation.
func TestRollingTickerDistribution(t *testing.T) {
if testing.Short() {
t.Skip("skipping test in short mode.")
}
interval := 10 * time.Second
jitter := 5 * time.Second
clock := clock.NewMock()
ticker := newRollingTicker(interval, jitter, clock)
dist := simulatedDist(ticker, clock)
printDist(dist)
require.True(t, 275 < dist.Count)
require.True(t, 12 < dist.Mean() && 13 > dist.Mean())
}
type Distribution struct {
Buckets [60]int
Count int
Waittime float64
}
func (d *Distribution) Mean() float64 {
return d.Waittime / float64(d.Count)
}
func printDist(dist Distribution) {
for i, count := range dist.Buckets {
fmt.Printf("%2d %s\n", i, strings.Repeat("x", count))
}
fmt.Printf("Average interval: %f\n", dist.Mean())
fmt.Printf("Count: %d\n", dist.Count)
}
func simulatedDist(ticker Ticker, clock *clock.Mock) Distribution {
since := clock.Now()
until := since.Add(1 * time.Hour)
var dist Distribution
last := clock.Now()
for !clock.Now().After(until) {
select {
case tm := <-ticker.Elapsed():
dist.Buckets[tm.Second()] += 1
dist.Count++
dist.Waittime += tm.Sub(last).Seconds()
last = tm
default:
clock.Add(1 * time.Second)
}
}
return dist
}

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@ -1,18 +0,0 @@
package telegraf
// Aggregator is an interface for implementing an Aggregator plugin.
// the RunningAggregator wraps this interface and guarantees that
// Add, Push, and Reset can not be called concurrently, so locking is not
// required when implementing an Aggregator plugin.
type Aggregator interface {
PluginDescriber
// Add the metric to the aggregator.
Add(in Metric)
// Push pushes the current aggregates to the accumulator.
Push(acc Accumulator)
// Reset resets the aggregators caches and aggregates.
Reset()
}

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@ -1,35 +0,0 @@
version: "{build}"
image: Visual Studio 2019
cache:
- C:\gopath\pkg\mod -> go.sum
- C:\ProgramData\chocolatey\bin -> appveyor.yml
- C:\ProgramData\chocolatey\lib -> appveyor.yml
clone_folder: C:\gopath\src\github.com\influxdata\telegraf
environment:
GOPATH: C:\gopath
stack: go 1.14
platform: x64
install:
- choco install make
- cd "%GOPATH%\src\github.com\influxdata\telegraf"
- git config --system core.longpaths true
- go version
- go env
build_script:
- make deps
- make telegraf
test_script:
- make check
- make test-windows
artifacts:
- path: telegraf.exe

18
circle.yml Normal file
View File

@ -0,0 +1,18 @@
machine:
services:
- docker
post:
- sudo service zookeeper stop
- go version
- go version | grep 1.5.2 || sudo rm -rf /usr/local/go
- wget https://storage.googleapis.com/golang/go1.5.2.linux-amd64.tar.gz
- sudo tar -C /usr/local -xzf go1.5.2.linux-amd64.tar.gz
- go version
dependencies:
override:
- docker info
test:
override:
- bash scripts/circle-test.sh

View File

@ -1,367 +1,241 @@
package main
import (
"context"
"errors"
"flag"
"fmt"
"log"
"net/http"
_ "net/http/pprof" // Comment this line to disable pprof endpoint.
"os"
"os/signal"
"sort"
"strings"
"syscall"
"time"
"github.com/influxdata/telegraf/agent"
"github.com/influxdata/telegraf/config"
"github.com/influxdata/telegraf/internal"
"github.com/influxdata/telegraf/internal/goplugin"
"github.com/influxdata/telegraf/logger"
_ "github.com/influxdata/telegraf/plugins/aggregators/all"
"github.com/influxdata/telegraf/plugins/inputs"
"github.com/influxdata/telegraf/internal/config"
_ "github.com/influxdata/telegraf/plugins/inputs/all"
"github.com/influxdata/telegraf/plugins/outputs"
_ "github.com/influxdata/telegraf/plugins/outputs/all"
_ "github.com/influxdata/telegraf/plugins/processors/all"
)
// If you update these, update usage.go and usage_windows.go
var fDebug = flag.Bool("debug", false,
"turn on debug logging")
var pprofAddr = flag.String("pprof-addr", "",
"pprof address to listen on, not activate pprof if empty")
"show metrics as they're generated to stdout")
var fQuiet = flag.Bool("quiet", false,
"run in quiet mode")
var fTest = flag.Bool("test", false, "enable test mode: gather metrics, print them out, and exit. Note: Test mode only runs inputs, not processors, aggregators, or outputs")
var fTestWait = flag.Int("test-wait", 0, "wait up to this many seconds for service inputs to complete in test mode")
var fTest = flag.Bool("test", false, "gather metrics, print them out, and exit")
var fConfig = flag.String("config", "", "configuration file to load")
var fConfigDirectory = flag.String("config-directory", "",
"directory containing additional *.conf files")
var fVersion = flag.Bool("version", false, "display the version and exit")
var fVersion = flag.Bool("version", false, "display the version")
var fSampleConfig = flag.Bool("sample-config", false,
"print out full sample configuration")
var fPidfile = flag.String("pidfile", "", "file to write our pid to")
var fSectionFilters = flag.String("section-filter", "",
"filter the sections to print, separator is ':'. Valid values are 'agent', 'global_tags', 'outputs', 'processors', 'aggregators' and 'inputs'")
var fInputFilters = flag.String("input-filter", "",
"filter the inputs to enable, separator is :")
var fInputList = flag.Bool("input-list", false,
"print available input plugins.")
var fOutputFilters = flag.String("output-filter", "",
"filter the outputs to enable, separator is :")
var fOutputList = flag.Bool("output-list", false,
"print available output plugins.")
var fAggregatorFilters = flag.String("aggregator-filter", "",
"filter the aggregators to enable, separator is :")
var fProcessorFilters = flag.String("processor-filter", "",
"filter the processors to enable, separator is :")
var fUsage = flag.String("usage", "",
"print usage for a plugin, ie, 'telegraf --usage mysql'")
var fService = flag.String("service", "",
"operate on the service (windows only)")
var fServiceName = flag.String("service-name", "telegraf", "service name (windows only)")
var fServiceDisplayName = flag.String("service-display-name", "Telegraf Data Collector Service", "service display name (windows only)")
var fRunAsConsole = flag.Bool("console", false, "run as console application (windows only)")
var fPlugins = flag.String("plugin-directory", "",
"path to directory containing external plugins")
var fRunOnce = flag.Bool("once", false, "run one gather and exit")
"print usage for a plugin, ie, 'telegraf -usage mysql'")
var (
version string
commit string
branch string
)
var fInputFiltersLegacy = flag.String("filter", "",
"filter the inputs to enable, separator is :")
var fOutputFiltersLegacy = flag.String("outputfilter", "",
"filter the outputs to enable, separator is :")
var fConfigDirectoryLegacy = flag.String("configdirectory", "",
"directory containing additional *.conf files")
var stop chan struct{}
// Telegraf version
// -ldflags "-X main.Version=`git describe --always --tags`"
var Version string
func reloadLoop(
inputFilters []string,
outputFilters []string,
aggregatorFilters []string,
processorFilters []string,
) {
const usage = `Telegraf, The plugin-driven server agent for collecting and reporting metrics.
Usage:
telegraf <flags>
The flags are:
-config <file> configuration file to load
-test gather metrics once, print them to stdout, and exit
-sample-config print out full sample configuration to stdout
-config-directory directory containing additional *.conf files
-input-filter filter the input plugins to enable, separator is :
-output-filter filter the output plugins to enable, separator is :
-usage print usage for a plugin, ie, 'telegraf -usage mysql'
-debug print metrics as they're generated to stdout
-quiet run in quiet mode
-version print the version to stdout
Examples:
# generate a telegraf config file:
telegraf -sample-config > telegraf.conf
# generate config with only cpu input & influxdb output plugins defined
telegraf -sample-config -input-filter cpu -output-filter influxdb
# run a single telegraf collection, outputing metrics to stdout
telegraf -config telegraf.conf -test
# run telegraf with all plugins defined in config file
telegraf -config telegraf.conf
# run telegraf, enabling the cpu & memory input, and influxdb output plugins
telegraf -config telegraf.conf -input-filter cpu:mem -output-filter influxdb
`
func main() {
reload := make(chan bool, 1)
reload <- true
for <-reload {
reload <- false
flag.Usage = func() { usageExit(0) }
flag.Parse()
ctx, cancel := context.WithCancel(context.Background())
if flag.NFlag() == 0 {
usageExit(0)
}
signals := make(chan os.Signal, 1)
signal.Notify(signals, os.Interrupt, syscall.SIGHUP,
syscall.SIGTERM, syscall.SIGINT)
go func() {
select {
case sig := <-signals:
if sig == syscall.SIGHUP {
log.Printf("I! Reloading Telegraf config")
<-reload
reload <- true
var inputFilters []string
if *fInputFiltersLegacy != "" {
inputFilter := strings.TrimSpace(*fInputFiltersLegacy)
inputFilters = strings.Split(":"+inputFilter+":", ":")
}
if *fInputFilters != "" {
inputFilter := strings.TrimSpace(*fInputFilters)
inputFilters = strings.Split(":"+inputFilter+":", ":")
}
var outputFilters []string
if *fOutputFiltersLegacy != "" {
outputFilter := strings.TrimSpace(*fOutputFiltersLegacy)
outputFilters = strings.Split(":"+outputFilter+":", ":")
}
if *fOutputFilters != "" {
outputFilter := strings.TrimSpace(*fOutputFilters)
outputFilters = strings.Split(":"+outputFilter+":", ":")
}
if *fVersion {
v := fmt.Sprintf("Telegraf - Version %s", Version)
fmt.Println(v)
return
}
if *fSampleConfig {
config.PrintSampleConfig(inputFilters, outputFilters)
return
}
if *fUsage != "" {
if err := config.PrintInputConfig(*fUsage); err != nil {
if err2 := config.PrintOutputConfig(*fUsage); err2 != nil {
log.Fatalf("%s and %s", err, err2)
}
cancel()
case <-stop:
cancel()
}
return
}
var (
c *config.Config
err error
)
if *fConfig != "" {
c = config.NewConfig()
c.OutputFilters = outputFilters
c.InputFilters = inputFilters
err = c.LoadConfig(*fConfig)
if err != nil {
log.Fatal(err)
}
} else {
fmt.Println("You must specify a config file. See telegraf --help")
os.Exit(1)
}
if *fConfigDirectoryLegacy != "" {
err = c.LoadDirectory(*fConfigDirectoryLegacy)
if err != nil {
log.Fatal(err)
}
}
if *fConfigDirectory != "" {
err = c.LoadDirectory(*fConfigDirectory)
if err != nil {
log.Fatal(err)
}
}
if len(c.Outputs) == 0 {
log.Fatalf("Error: no outputs found, did you provide a valid config file?")
}
if len(c.Inputs) == 0 {
log.Fatalf("Error: no inputs found, did you provide a valid config file?")
}
ag, err := agent.NewAgent(c)
if err != nil {
log.Fatal(err)
}
if *fDebug {
ag.Config.Agent.Debug = true
}
if *fQuiet {
ag.Config.Agent.Quiet = true
}
if *fTest {
err = ag.Test()
if err != nil {
log.Fatal(err)
}
return
}
err = ag.Connect()
if err != nil {
log.Fatal(err)
}
shutdown := make(chan struct{})
signals := make(chan os.Signal)
signal.Notify(signals, os.Interrupt, syscall.SIGHUP)
go func() {
sig := <-signals
if sig == os.Interrupt {
close(shutdown)
}
if sig == syscall.SIGHUP {
log.Printf("Reloading Telegraf config\n")
<-reload
reload <- true
close(shutdown)
}
}()
err := runAgent(ctx, inputFilters, outputFilters)
if err != nil && err != context.Canceled {
log.Fatalf("E! [telegraf] Error running agent: %v", err)
}
}
}
log.Printf("Starting Telegraf (version %s)\n", Version)
log.Printf("Loaded outputs: %s", strings.Join(c.OutputNames(), " "))
log.Printf("Loaded inputs: %s", strings.Join(c.InputNames(), " "))
log.Printf("Tags enabled: %s", c.ListTags())
func runAgent(ctx context.Context,
inputFilters []string,
outputFilters []string,
) error {
log.Printf("I! Starting Telegraf %s", version)
if *fPidfile != "" {
f, err := os.Create(*fPidfile)
if err != nil {
log.Fatalf("Unable to create pidfile: %s", err)
}
// If no other options are specified, load the config file and run.
c := config.NewConfig()
c.OutputFilters = outputFilters
c.InputFilters = inputFilters
err := c.LoadConfig(*fConfig)
if err != nil {
return err
}
if *fConfigDirectory != "" {
err = c.LoadDirectory(*fConfigDirectory)
if err != nil {
return err
}
}
if !*fTest && len(c.Outputs) == 0 {
return errors.New("Error: no outputs found, did you provide a valid config file?")
}
if *fPlugins == "" && len(c.Inputs) == 0 {
return errors.New("Error: no inputs found, did you provide a valid config file?")
}
if int64(c.Agent.Interval.Duration) <= 0 {
return fmt.Errorf("Agent interval must be positive, found %s",
c.Agent.Interval.Duration)
}
if int64(c.Agent.FlushInterval.Duration) <= 0 {
return fmt.Errorf("Agent flush_interval must be positive; found %s",
c.Agent.Interval.Duration)
}
ag, err := agent.NewAgent(c)
if err != nil {
return err
}
// Setup logging as configured.
logConfig := logger.LogConfig{
Debug: ag.Config.Agent.Debug || *fDebug,
Quiet: ag.Config.Agent.Quiet || *fQuiet,
LogTarget: ag.Config.Agent.LogTarget,
Logfile: ag.Config.Agent.Logfile,
RotationInterval: ag.Config.Agent.LogfileRotationInterval,
RotationMaxSize: ag.Config.Agent.LogfileRotationMaxSize,
RotationMaxArchives: ag.Config.Agent.LogfileRotationMaxArchives,
}
logger.SetupLogging(logConfig)
if *fRunOnce {
wait := time.Duration(*fTestWait) * time.Second
return ag.Once(ctx, wait)
}
if *fTest || *fTestWait != 0 {
wait := time.Duration(*fTestWait) * time.Second
return ag.Test(ctx, wait)
}
log.Printf("I! Loaded inputs: %s", strings.Join(c.InputNames(), " "))
log.Printf("I! Loaded aggregators: %s", strings.Join(c.AggregatorNames(), " "))
log.Printf("I! Loaded processors: %s", strings.Join(c.ProcessorNames(), " "))
log.Printf("I! Loaded outputs: %s", strings.Join(c.OutputNames(), " "))
log.Printf("I! Tags enabled: %s", c.ListTags())
if *fPidfile != "" {
f, err := os.OpenFile(*fPidfile, os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
log.Printf("E! Unable to create pidfile: %s", err)
} else {
fmt.Fprintf(f, "%d\n", os.Getpid())
f.Close()
defer func() {
err := os.Remove(*fPidfile)
if err != nil {
log.Printf("E! Unable to remove pidfile: %s", err)
}
}()
}
}
return ag.Run(ctx)
ag.Run(shutdown)
}
}
func usageExit(rc int) {
fmt.Println(internal.Usage)
fmt.Println(usage)
os.Exit(rc)
}
func formatFullVersion() string {
var parts = []string{"Telegraf"}
if version != "" {
parts = append(parts, version)
} else {
parts = append(parts, "unknown")
}
if branch != "" || commit != "" {
if branch == "" {
branch = "unknown"
}
if commit == "" {
commit = "unknown"
}
git := fmt.Sprintf("(git: %s %s)", branch, commit)
parts = append(parts, git)
}
return strings.Join(parts, " ")
}
func main() {
flag.Usage = func() { usageExit(0) }
flag.Parse()
args := flag.Args()
sectionFilters, inputFilters, outputFilters := []string{}, []string{}, []string{}
if *fSectionFilters != "" {
sectionFilters = strings.Split(":"+strings.TrimSpace(*fSectionFilters)+":", ":")
}
if *fInputFilters != "" {
inputFilters = strings.Split(":"+strings.TrimSpace(*fInputFilters)+":", ":")
}
if *fOutputFilters != "" {
outputFilters = strings.Split(":"+strings.TrimSpace(*fOutputFilters)+":", ":")
}
aggregatorFilters, processorFilters := []string{}, []string{}
if *fAggregatorFilters != "" {
aggregatorFilters = strings.Split(":"+strings.TrimSpace(*fAggregatorFilters)+":", ":")
}
if *fProcessorFilters != "" {
processorFilters = strings.Split(":"+strings.TrimSpace(*fProcessorFilters)+":", ":")
}
logger.SetupLogging(logger.LogConfig{})
// Load external plugins, if requested.
if *fPlugins != "" {
log.Printf("I! Loading external plugins from: %s", *fPlugins)
if err := goplugin.LoadExternalPlugins(*fPlugins); err != nil {
log.Fatal("E! " + err.Error())
}
}
if *pprofAddr != "" {
go func() {
pprofHostPort := *pprofAddr
parts := strings.Split(pprofHostPort, ":")
if len(parts) == 2 && parts[0] == "" {
pprofHostPort = fmt.Sprintf("localhost:%s", parts[1])
}
pprofHostPort = "http://" + pprofHostPort + "/debug/pprof"
log.Printf("I! Starting pprof HTTP server at: %s", pprofHostPort)
if err := http.ListenAndServe(*pprofAddr, nil); err != nil {
log.Fatal("E! " + err.Error())
}
}()
}
if len(args) > 0 {
switch args[0] {
case "version":
fmt.Println(formatFullVersion())
return
case "config":
config.PrintSampleConfig(
sectionFilters,
inputFilters,
outputFilters,
aggregatorFilters,
processorFilters,
)
return
}
}
// switch for flags which just do something and exit immediately
switch {
case *fOutputList:
fmt.Println("Available Output Plugins: ")
names := make([]string, 0, len(outputs.Outputs))
for k := range outputs.Outputs {
names = append(names, k)
}
sort.Strings(names)
for _, k := range names {
fmt.Printf(" %s\n", k)
}
return
case *fInputList:
fmt.Println("Available Input Plugins:")
names := make([]string, 0, len(inputs.Inputs))
for k := range inputs.Inputs {
names = append(names, k)
}
sort.Strings(names)
for _, k := range names {
fmt.Printf(" %s\n", k)
}
return
case *fVersion:
fmt.Println(formatFullVersion())
return
case *fSampleConfig:
config.PrintSampleConfig(
sectionFilters,
inputFilters,
outputFilters,
aggregatorFilters,
processorFilters,
)
return
case *fUsage != "":
err := config.PrintInputConfig(*fUsage)
err2 := config.PrintOutputConfig(*fUsage)
if err != nil && err2 != nil {
log.Fatalf("E! %s and %s", err, err2)
}
return
}
shortVersion := version
if shortVersion == "" {
shortVersion = "unknown"
}
// Configure version
if err := internal.SetVersion(shortVersion); err != nil {
log.Println("Telegraf version already configured to: " + internal.Version())
}
run(
inputFilters,
outputFilters,
aggregatorFilters,
processorFilters,
)
}

View File

@ -1,13 +0,0 @@
// +build !windows
package main
func run(inputFilters, outputFilters, aggregatorFilters, processorFilters []string) {
stop = make(chan struct{})
reloadLoop(
inputFilters,
outputFilters,
aggregatorFilters,
processorFilters,
)
}

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@ -1,124 +0,0 @@
// +build windows
package main
import (
"log"
"os"
"runtime"
"github.com/influxdata/telegraf/logger"
"github.com/kardianos/service"
)
func run(inputFilters, outputFilters, aggregatorFilters, processorFilters []string) {
if runtime.GOOS == "windows" && windowsRunAsService() {
runAsWindowsService(
inputFilters,
outputFilters,
aggregatorFilters,
processorFilters,
)
} else {
stop = make(chan struct{})
reloadLoop(
inputFilters,
outputFilters,
aggregatorFilters,
processorFilters,
)
}
}
type program struct {
inputFilters []string
outputFilters []string
aggregatorFilters []string
processorFilters []string
}
func (p *program) Start(s service.Service) error {
go p.run()
return nil
}
func (p *program) run() {
stop = make(chan struct{})
reloadLoop(
p.inputFilters,
p.outputFilters,
p.aggregatorFilters,
p.processorFilters,
)
}
func (p *program) Stop(s service.Service) error {
close(stop)
return nil
}
func runAsWindowsService(inputFilters, outputFilters, aggregatorFilters, processorFilters []string) {
programFiles := os.Getenv("ProgramFiles")
if programFiles == "" { // Should never happen
programFiles = "C:\\Program Files"
}
svcConfig := &service.Config{
Name: *fServiceName,
DisplayName: *fServiceDisplayName,
Description: "Collects data using a series of plugins and publishes it to " +
"another series of plugins.",
Arguments: []string{"--config", programFiles + "\\Telegraf\\telegraf.conf"},
}
prg := &program{
inputFilters: inputFilters,
outputFilters: outputFilters,
aggregatorFilters: aggregatorFilters,
processorFilters: processorFilters,
}
s, err := service.New(prg, svcConfig)
if err != nil {
log.Fatal("E! " + err.Error())
}
// Handle the --service flag here to prevent any issues with tooling that
// may not have an interactive session, e.g. installing from Ansible.
if *fService != "" {
if *fConfig != "" {
svcConfig.Arguments = []string{"--config", *fConfig}
}
if *fConfigDirectory != "" {
svcConfig.Arguments = append(svcConfig.Arguments, "--config-directory", *fConfigDirectory)
}
//set servicename to service cmd line, to have a custom name after relaunch as a service
svcConfig.Arguments = append(svcConfig.Arguments, "--service-name", *fServiceName)
err := service.Control(s, *fService)
if err != nil {
log.Fatal("E! " + err.Error())
}
os.Exit(0)
} else {
winlogger, err := s.Logger(nil)
if err == nil {
//When in service mode, register eventlog target andd setup default logging to eventlog
logger.RegisterEventLogger(winlogger)
logger.SetupLogging(logger.LogConfig{LogTarget: logger.LogTargetEventlog})
}
err = s.Run()
if err != nil {
log.Println("E! " + err.Error())
}
}
}
// Return true if Telegraf should create a Windows service.
func windowsRunAsService() bool {
if *fService != "" {
return true
}
if *fRunAsConsole {
return false
}
return !service.Interactive()
}

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@ -1,52 +0,0 @@
package aws
import (
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/client"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/credentials/stscreds"
"github.com/aws/aws-sdk-go/aws/session"
)
type CredentialConfig struct {
Region string
AccessKey string
SecretKey string
RoleARN string
Profile string
Filename string
Token string
EndpointURL string
}
func (c *CredentialConfig) Credentials() client.ConfigProvider {
if c.RoleARN != "" {
return c.assumeCredentials()
} else {
return c.rootCredentials()
}
}
func (c *CredentialConfig) rootCredentials() client.ConfigProvider {
config := &aws.Config{
Region: aws.String(c.Region),
Endpoint: &c.EndpointURL,
}
if c.AccessKey != "" || c.SecretKey != "" {
config.Credentials = credentials.NewStaticCredentials(c.AccessKey, c.SecretKey, c.Token)
} else if c.Profile != "" || c.Filename != "" {
config.Credentials = credentials.NewSharedCredentials(c.Filename, c.Profile)
}
return session.New(config)
}
func (c *CredentialConfig) assumeCredentials() client.ConfigProvider {
rootCredentials := c.rootCredentials()
config := &aws.Config{
Region: aws.String(c.Region),
Endpoint: &c.EndpointURL,
}
config.Credentials = stscreds.NewCredentials(rootCredentials, c.RoleARN)
return session.New(config)
}

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@ -1,259 +0,0 @@
package config
import (
"os"
"testing"
"time"
"github.com/influxdata/telegraf/internal"
"github.com/influxdata/telegraf/models"
"github.com/influxdata/telegraf/plugins/inputs"
"github.com/influxdata/telegraf/plugins/inputs/exec"
"github.com/influxdata/telegraf/plugins/inputs/http_listener_v2"
"github.com/influxdata/telegraf/plugins/inputs/memcached"
"github.com/influxdata/telegraf/plugins/inputs/procstat"
httpOut "github.com/influxdata/telegraf/plugins/outputs/http"
"github.com/influxdata/telegraf/plugins/parsers"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestConfig_LoadSingleInputWithEnvVars(t *testing.T) {
c := NewConfig()
err := os.Setenv("MY_TEST_SERVER", "192.168.1.1")
assert.NoError(t, err)
err = os.Setenv("TEST_INTERVAL", "10s")
assert.NoError(t, err)
c.LoadConfig("./testdata/single_plugin_env_vars.toml")
memcached := inputs.Inputs["memcached"]().(*memcached.Memcached)
memcached.Servers = []string{"192.168.1.1"}
filter := models.Filter{
NameDrop: []string{"metricname2"},
NamePass: []string{"metricname1", "ip_192.168.1.1_name"},
FieldDrop: []string{"other", "stuff"},
FieldPass: []string{"some", "strings"},
TagDrop: []models.TagFilter{
{
Name: "badtag",
Filter: []string{"othertag"},
},
},
TagPass: []models.TagFilter{
{
Name: "goodtag",
Filter: []string{"mytag"},
},
},
}
assert.NoError(t, filter.Compile())
mConfig := &models.InputConfig{
Name: "memcached",
Filter: filter,
Interval: 10 * time.Second,
}
mConfig.Tags = make(map[string]string)
assert.Equal(t, memcached, c.Inputs[0].Input,
"Testdata did not produce a correct memcached struct.")
assert.Equal(t, mConfig, c.Inputs[0].Config,
"Testdata did not produce correct memcached metadata.")
}
func TestConfig_LoadSingleInput(t *testing.T) {
c := NewConfig()
c.LoadConfig("./testdata/single_plugin.toml")
memcached := inputs.Inputs["memcached"]().(*memcached.Memcached)
memcached.Servers = []string{"localhost"}
filter := models.Filter{
NameDrop: []string{"metricname2"},
NamePass: []string{"metricname1"},
FieldDrop: []string{"other", "stuff"},
FieldPass: []string{"some", "strings"},
TagDrop: []models.TagFilter{
{
Name: "badtag",
Filter: []string{"othertag"},
},
},
TagPass: []models.TagFilter{
{
Name: "goodtag",
Filter: []string{"mytag"},
},
},
}
assert.NoError(t, filter.Compile())
mConfig := &models.InputConfig{
Name: "memcached",
Filter: filter,
Interval: 5 * time.Second,
}
mConfig.Tags = make(map[string]string)
assert.Equal(t, memcached, c.Inputs[0].Input,
"Testdata did not produce a correct memcached struct.")
assert.Equal(t, mConfig, c.Inputs[0].Config,
"Testdata did not produce correct memcached metadata.")
}
func TestConfig_LoadDirectory(t *testing.T) {
c := NewConfig()
err := c.LoadConfig("./testdata/single_plugin.toml")
if err != nil {
t.Error(err)
}
err = c.LoadDirectory("./testdata/subconfig")
if err != nil {
t.Error(err)
}
memcached := inputs.Inputs["memcached"]().(*memcached.Memcached)
memcached.Servers = []string{"localhost"}
filter := models.Filter{
NameDrop: []string{"metricname2"},
NamePass: []string{"metricname1"},
FieldDrop: []string{"other", "stuff"},
FieldPass: []string{"some", "strings"},
TagDrop: []models.TagFilter{
{
Name: "badtag",
Filter: []string{"othertag"},
},
},
TagPass: []models.TagFilter{
{
Name: "goodtag",
Filter: []string{"mytag"},
},
},
}
assert.NoError(t, filter.Compile())
mConfig := &models.InputConfig{
Name: "memcached",
Filter: filter,
Interval: 5 * time.Second,
}
mConfig.Tags = make(map[string]string)
assert.Equal(t, memcached, c.Inputs[0].Input,
"Testdata did not produce a correct memcached struct.")
assert.Equal(t, mConfig, c.Inputs[0].Config,
"Testdata did not produce correct memcached metadata.")
ex := inputs.Inputs["exec"]().(*exec.Exec)
p, err := parsers.NewParser(&parsers.Config{
MetricName: "exec",
DataFormat: "json",
JSONStrict: true,
})
assert.NoError(t, err)
ex.SetParser(p)
ex.Command = "/usr/bin/myothercollector --foo=bar"
eConfig := &models.InputConfig{
Name: "exec",
MeasurementSuffix: "_myothercollector",
}
eConfig.Tags = make(map[string]string)
exec := c.Inputs[1].Input.(*exec.Exec)
require.NotNil(t, exec.Log)
exec.Log = nil
assert.Equal(t, ex, c.Inputs[1].Input,
"Merged Testdata did not produce a correct exec struct.")
assert.Equal(t, eConfig, c.Inputs[1].Config,
"Merged Testdata did not produce correct exec metadata.")
memcached.Servers = []string{"192.168.1.1"}
assert.Equal(t, memcached, c.Inputs[2].Input,
"Testdata did not produce a correct memcached struct.")
assert.Equal(t, mConfig, c.Inputs[2].Config,
"Testdata did not produce correct memcached metadata.")
pstat := inputs.Inputs["procstat"]().(*procstat.Procstat)
pstat.PidFile = "/var/run/grafana-server.pid"
pConfig := &models.InputConfig{Name: "procstat"}
pConfig.Tags = make(map[string]string)
assert.Equal(t, pstat, c.Inputs[3].Input,
"Merged Testdata did not produce a correct procstat struct.")
assert.Equal(t, pConfig, c.Inputs[3].Config,
"Merged Testdata did not produce correct procstat metadata.")
}
func TestConfig_LoadSpecialTypes(t *testing.T) {
c := NewConfig()
err := c.LoadConfig("./testdata/special_types.toml")
assert.NoError(t, err)
require.Equal(t, 1, len(c.Inputs))
inputHTTPListener, ok := c.Inputs[0].Input.(*http_listener_v2.HTTPListenerV2)
assert.Equal(t, true, ok)
// Tests telegraf duration parsing.
assert.Equal(t, internal.Duration{Duration: time.Second}, inputHTTPListener.WriteTimeout)
// Tests telegraf size parsing.
assert.Equal(t, internal.Size{Size: 1024 * 1024}, inputHTTPListener.MaxBodySize)
// Tests toml multiline basic strings.
assert.Equal(t, "/path/to/my/cert\n", inputHTTPListener.TLSCert)
}
func TestConfig_FieldNotDefined(t *testing.T) {
c := NewConfig()
err := c.LoadConfig("./testdata/invalid_field.toml")
require.Error(t, err, "invalid field name")
assert.Equal(t, "Error loading config file ./testdata/invalid_field.toml: Error parsing http_listener_v2, line 2: field corresponding to `not_a_field' is not defined in http_listener_v2.HTTPListenerV2", err.Error())
}
func TestConfig_WrongFieldType(t *testing.T) {
c := NewConfig()
err := c.LoadConfig("./testdata/wrong_field_type.toml")
require.Error(t, err, "invalid field type")
assert.Equal(t, "Error loading config file ./testdata/wrong_field_type.toml: Error parsing http_listener_v2, line 2: (http_listener_v2.HTTPListenerV2.Port) cannot unmarshal TOML string into int", err.Error())
c = NewConfig()
err = c.LoadConfig("./testdata/wrong_field_type2.toml")
require.Error(t, err, "invalid field type2")
assert.Equal(t, "Error loading config file ./testdata/wrong_field_type2.toml: Error parsing http_listener_v2, line 2: (http_listener_v2.HTTPListenerV2.Methods) cannot unmarshal TOML string into []string", err.Error())
}
func TestConfig_InlineTables(t *testing.T) {
// #4098
c := NewConfig()
err := c.LoadConfig("./testdata/inline_table.toml")
assert.NoError(t, err)
require.Equal(t, 2, len(c.Outputs))
outputHTTP, ok := c.Outputs[1].Output.(*httpOut.HTTP)
assert.Equal(t, true, ok)
assert.Equal(t, map[string]string{"Authorization": "Token $TOKEN", "Content-Type": "application/json"}, outputHTTP.Headers)
assert.Equal(t, []string{"org_id"}, c.Outputs[0].Config.Filter.TagInclude)
}
func TestConfig_SliceComment(t *testing.T) {
t.Skipf("Skipping until #3642 is resolved")
c := NewConfig()
err := c.LoadConfig("./testdata/slice_comment.toml")
assert.NoError(t, err)
require.Equal(t, 1, len(c.Outputs))
outputHTTP, ok := c.Outputs[0].Output.(*httpOut.HTTP)
assert.Equal(t, []string{"test"}, outputHTTP.Scopes)
assert.Equal(t, true, ok)
}
func TestConfig_BadOrdering(t *testing.T) {
// #3444: when not using inline tables, care has to be taken so subsequent configuration
// doesn't become part of the table. This is not a bug, but TOML syntax.
c := NewConfig()
err := c.LoadConfig("./testdata/non_slice_slice.toml")
require.Error(t, err, "bad ordering")
assert.Equal(t, "Error loading config file ./testdata/non_slice_slice.toml: Error parsing http array, line 4: cannot unmarshal TOML array into string (need slice)", err.Error())
}

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@ -1,7 +0,0 @@
[[outputs.http]]
headers = { Authorization = "Token $TOKEN",Content-Type = "application/json" }
taginclude = ["org_id"]
[[outputs.http]]
headers = { Authorization = "Token $TOKEN",Content-Type = "application/json" }
taginclude = ["org_id"]

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@ -1,2 +0,0 @@
[[inputs.http_listener_v2]]
not_a_field = true

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@ -1,4 +0,0 @@
[[outputs.http]]
[outputs.http.headers]
Content-Type = "application/json"
taginclude = ["org_id"]

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@ -1,11 +0,0 @@
[[inputs.memcached]]
servers = ["$MY_TEST_SERVER"]
namepass = ["metricname1", "ip_${MY_TEST_SERVER}_name"]
namedrop = ["metricname2"]
fieldpass = ["some", "strings"]
fielddrop = ["other", "stuff"]
interval = "$TEST_INTERVAL"
[inputs.memcached.tagpass]
goodtag = ["mytag"]
[inputs.memcached.tagdrop]
badtag = ["othertag"]

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@ -1,5 +0,0 @@
[[outputs.http]]
scopes = [
# comment
"test" # comment
]

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@ -1,9 +0,0 @@
[[inputs.http_listener_v2]]
write_timeout = "1s"
max_body_size = "1MiB"
tls_cert = """
/path/to/my/cert
"""
tls_key = '''
/path/to/my/key
'''

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@ -1,2 +0,0 @@
[[inputs.http_listener_v2]]
port = "80"

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@ -1,2 +0,0 @@
[[inputs.http_listener_v2]]
methods = "POST"

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@ -1,88 +0,0 @@
package config
import (
"bytes"
"strconv"
"time"
"github.com/alecthomas/units"
)
// Duration is a time.Duration
type Duration time.Duration
// Size is an int64
type Size int64
// Number is a float
type Number float64
// UnmarshalTOML parses the duration from the TOML config file
func (d Duration) UnmarshalTOML(b []byte) error {
var err error
b = bytes.Trim(b, `'`)
// see if we can directly convert it
dur, err := time.ParseDuration(string(b))
if err == nil {
d = Duration(dur)
return nil
}
// Parse string duration, ie, "1s"
if uq, err := strconv.Unquote(string(b)); err == nil && len(uq) > 0 {
dur, err := time.ParseDuration(uq)
if err == nil {
d = Duration(dur)
return nil
}
}
// First try parsing as integer seconds
sI, err := strconv.ParseInt(string(b), 10, 64)
if err == nil {
dur := time.Second * time.Duration(sI)
d = Duration(dur)
return nil
}
// Second try parsing as float seconds
sF, err := strconv.ParseFloat(string(b), 64)
if err == nil {
dur := time.Second * time.Duration(sF)
d = Duration(dur)
return nil
}
return nil
}
func (s Size) UnmarshalTOML(b []byte) error {
var err error
b = bytes.Trim(b, `'`)
val, err := strconv.ParseInt(string(b), 10, 64)
if err == nil {
s = Size(val)
return nil
}
uq, err := strconv.Unquote(string(b))
if err != nil {
return err
}
val, err = units.ParseStrictBytes(uq)
if err != nil {
return err
}
s = Size(val)
return nil
}
func (n Number) UnmarshalTOML(b []byte) error {
value, err := strconv.ParseFloat(string(b), 64)
if err != nil {
return err
}
n = Number(value)
return nil
}

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@ -1,102 +0,0 @@
version: '3'
services:
aerospike:
image: aerospike/aerospike-server:3.9.0
ports:
- "3000:3000"
zookeeper:
image: wurstmeister/zookeeper
environment:
- JAVA_OPTS="-Xms256m -Xmx256m"
ports:
- "2181:2181"
kafka:
image: wurstmeister/kafka
environment:
- KAFKA_ADVERTISED_HOST_NAME=localhost
- KAFKA_ADVERTISED_PORT=9092
- KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181
- KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR=1
- JAVA_OPTS="-Xms256m -Xmx256m"
ports:
- "9092:9092"
depends_on:
- zookeeper
elasticsearch:
image: docker.elastic.co/elasticsearch/elasticsearch:7.2.0
environment:
- "ES_JAVA_OPTS=-Xms256m -Xmx256m"
- discovery.type=single-node
- xpack.security.enabled=false
ports:
- "9200:9200"
mysql:
image: mysql
environment:
- MYSQL_ALLOW_EMPTY_PASSWORD=yes
ports:
- "3306:3306"
memcached:
image: memcached
ports:
- "11211:11211"
pgbouncer:
image: mbentley/ubuntu-pgbouncer
environment:
- PG_ENV_POSTGRESQL_USER=pgbouncer
- PG_ENV_POSTGRESQL_PASS=pgbouncer
ports:
- "6432:6432"
postgres:
image: postgres:alpine
environment:
- POSTGRES_HOST_AUTH_METHOD=trust
ports:
- "5432:5432"
rabbitmq:
image: rabbitmq:3-management
ports:
- "15672:15672"
- "5672:5672"
redis:
image: redis:alpine
ports:
- "6379:6379"
nsq:
image: nsqio/nsq
ports:
- "4150:4150"
command: "/nsqd"
mqtt:
image: ncarlier/mqtt
ports:
- "1883:1883"
riemann:
image: stealthly/docker-riemann
ports:
- "5555:5555"
nats:
image: nats
ports:
- "4222:4222"
openldap:
image: cobaugh/openldap-alpine
environment:
- SLAPD_CONFIG_ROOTDN="cn=manager,cn=config"
- SLAPD_CONFIG_ROOTPW="secret"
ports:
- "389:389"
- "636:636"
crate:
image: crate/crate
ports:
- "4200:4200"
- "4230:4230"
- "6543:5432"
command:
- crate
- -Cnetwork.host=0.0.0.0
- -Ctransport.host=localhost
environment:
- CRATE_HEAP_SIZE=128m

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@ -1,132 +0,0 @@
### Aggregator Plugins
This section is for developers who want to create a new aggregator plugin.
### Aggregator Plugin Guidelines
* A aggregator must conform to the [telegraf.Aggregator][] interface.
* Aggregators should call `aggregators.Add` in their `init` function to
register themselves. See below for a quick example.
* To be available within Telegraf itself, plugins must add themselves to the
`github.com/influxdata/telegraf/plugins/aggregators/all/all.go` file.
- The `SampleConfig` function should return valid toml that describes how the
plugin can be configured. This is included in `telegraf config`. Please
consult the [SampleConfig][] page for the latest style guidelines.
* The `Description` function should say in one line what this aggregator does.
* The Aggregator plugin will need to keep caches of metrics that have passed
through it. This should be done using the builtin `HashID()` function of
each metric.
* When the `Reset()` function is called, all caches should be cleared.
- Follow the recommended [CodeStyle][].
### Aggregator Plugin Example
```go
package min
// min.go
import (
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/plugins/aggregators"
)
type Min struct {
// caches for metric fields, names, and tags
fieldCache map[uint64]map[string]float64
nameCache map[uint64]string
tagCache map[uint64]map[string]string
}
func NewMin() telegraf.Aggregator {
m := &Min{}
m.Reset()
return m
}
var sampleConfig = `
## period is the flush & clear interval of the aggregator.
period = "30s"
## If true drop_original will drop the original metrics and
## only send aggregates.
drop_original = false
`
func (m *Min) Init() error {
return nil
}
func (m *Min) SampleConfig() string {
return sampleConfig
}
func (m *Min) Description() string {
return "Keep the aggregate min of each metric passing through."
}
func (m *Min) Add(in telegraf.Metric) {
id := in.HashID()
if _, ok := m.nameCache[id]; !ok {
// hit an uncached metric, create caches for first time:
m.nameCache[id] = in.Name()
m.tagCache[id] = in.Tags()
m.fieldCache[id] = make(map[string]float64)
for k, v := range in.Fields() {
if fv, ok := convert(v); ok {
m.fieldCache[id][k] = fv
}
}
} else {
for k, v := range in.Fields() {
if fv, ok := convert(v); ok {
if _, ok := m.fieldCache[id][k]; !ok {
// hit an uncached field of a cached metric
m.fieldCache[id][k] = fv
continue
}
if fv < m.fieldCache[id][k] {
// set new minimum
m.fieldCache[id][k] = fv
}
}
}
}
}
func (m *Min) Push(acc telegraf.Accumulator) {
for id, _ := range m.nameCache {
fields := map[string]interface{}{}
for k, v := range m.fieldCache[id] {
fields[k+"_min"] = v
}
acc.AddFields(m.nameCache[id], fields, m.tagCache[id])
}
}
func (m *Min) Reset() {
m.fieldCache = make(map[uint64]map[string]float64)
m.nameCache = make(map[uint64]string)
m.tagCache = make(map[uint64]map[string]string)
}
func convert(in interface{}) (float64, bool) {
switch v := in.(type) {
case float64:
return v, true
case int64:
return float64(v), true
default:
return 0, false
}
}
func init() {
aggregators.Add("min", func() telegraf.Aggregator {
return NewMin()
})
}
```
[telegraf.Aggregator]: https://godoc.org/github.com/influxdata/telegraf#Aggregator
[SampleConfig]: https://github.com/influxdata/telegraf/wiki/SampleConfig
[CodeStyle]: https://github.com/influxdata/telegraf/wiki/CodeStyle

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@ -1,67 +0,0 @@
# Telegraf Aggregator & Processor Plugins
As of release 1.1.0, Telegraf has the concept of Aggregator and Processor Plugins.
These plugins sit in-between Input & Output plugins, aggregating and processing
metrics as they pass through Telegraf:
```
┌───────────┐
│ │
│ CPU │───┐
│ │ │
└───────────┘ │
┌───────────┐ │ ┌───────────┐
│ │ │ │ │
│ Memory │───┤ ┌──▶│ InfluxDB │
│ │ │ │ │ │
└───────────┘ │ ┌─────────────┐ ┌─────────────┐ │ └───────────┘
│ │ │ │Aggregate │ │
┌───────────┐ │ │Process │ │ - mean │ │ ┌───────────┐
│ │ │ │ - transform │ │ - quantiles │ │ │ │
│ MySQL │───┼───▶│ - decorate │────▶│ - min/max │───┼──▶│ File │
│ │ │ │ - filter │ │ - count │ │ │ │
└───────────┘ │ │ │ │ │ │ └───────────┘
│ └─────────────┘ └─────────────┘ │
┌───────────┐ │ │ ┌───────────┐
│ │ │ │ │ │
│ SNMP │───┤ └──▶│ Kafka │
│ │ │ │ │
└───────────┘ │ └───────────┘
┌───────────┐ │
│ │ │
│ Docker │───┘
│ │
└───────────┘
```
Both Aggregators and Processors analyze metrics as they pass through Telegraf.
Use [measurement filtering](CONFIGURATION.md#measurement-filtering)
to control which metrics are passed through a processor or aggregator. If a
metric is filtered out the metric bypasses the plugin and is passed downstream
to the next plugin.
### Processor
Processor plugins process metrics as they pass through and immediately emit
results based on the values they process. For example, this could be printing
all metrics or adding a tag to all metrics that pass through.
### Aggregator
Aggregator plugins, on the other hand, are a bit more complicated. Aggregators
are typically for emitting new _aggregate_ metrics, such as a running mean,
minimum, maximum, or standard deviation. For this reason, all _aggregator_
plugins are configured with a `period`. The `period` is the size of the window
of metrics that each _aggregate_ represents. In other words, the emitted
_aggregate_ metric will be the aggregated value of the past `period` seconds.
Since many users will only care about their aggregates and not every single metric
gathered, there is also a `drop_original` argument, which tells Telegraf to only
emit the aggregates and not the original metrics.
Since aggregates are created for each measurement, field, and unique tag combination
the plugin receives, you can make use of `taginclude` to group
aggregates by specific tags only.
**Note:** Aggregator plugins only aggregate metrics within their periods (`now() - period`). Data with a timestamp earlier than `now() - period` cannot be included.

View File

@ -1,467 +1,108 @@
# Configuration
# Telegraf Configuration
Telegraf's configuration file is written using [TOML][] and is composed of
three sections: [global tags][], [agent][] settings, and [plugins][].
## Generating a Configuration File
View the default [telegraf.conf][] config file with all available plugins.
### Generating a Configuration File
A default config file can be generated by telegraf:
```sh
telegraf config > telegraf.conf
```
A default Telegraf config file can be generated using the -sample-config flag:
`telegraf -sample-config > telegraf.conf`
To generate a file with specific inputs and outputs, you can use the
--input-filter and --output-filter flags:
-input-filter and -output-filter flags:
`telegraf -sample-config -input-filter cpu:mem:net:swap -output-filter influxdb:kafka`
```sh
telegraf --input-filter cpu:mem:net:swap --output-filter influxdb:kafka config
```
## `[global_tags]` Configuration
### Configuration Loading
Global tags can be specific in the `[global_tags]` section of the config file in
key="value" format. All metrics being gathered on this host will be tagged
with the tags specified here.
The location of the configuration file can be set via the `--config` command
line flag.
## `[agent]` Configuration
When the `--config-directory` command line flag is used files ending with
`.conf` in the specified directory will also be included in the Telegraf
configuration.
Telegraf has a few options you can configure under the `agent` section of the
config.
On most systems, the default locations are `/etc/telegraf/telegraf.conf` for
the main configuration file and `/etc/telegraf/telegraf.d` for the directory of
configuration files.
* **interval**: Default data collection interval for all inputs
* **round_interval**: Rounds collection interval to 'interval'
ie, if interval="10s" then always collect on :00, :10, :20, etc.
* **metric_buffer_limit**: Telegraf will cache metric_buffer_limit metrics
for each output, and will flush this buffer on a successful write.
* **collection_jitter**: Collection jitter is used to jitter
the collection by a random amount.
Each plugin will sleep for a random time within jitter before collecting.
This can be used to avoid many plugins querying things like sysfs at the
same time, which can have a measurable effect on the system.
* **flush_interval**: Default data flushing interval for all outputs.
You should not set this below
interval. Maximum flush_interval will be flush_interval + flush_jitter
* **flush_jitter**: Jitter the flush interval by a random amount.
This is primarily to avoid
large write spikes for users running a large number of telegraf instances.
ie, a jitter of 5s and flush_interval 10s means flushes will happen every 10-15s.
* **debug**: Run telegraf in debug mode.
* **quiet**: Run telegraf in quiet mode.
* **hostname**: Override default hostname, if empty use os.Hostname().
### Environment Variables
## `[inputs.xxx]` Configuration
Environment variables can be used anywhere in the config file, simply surround
them with `${}`. Replacement occurs before file parsing. For strings
the variable must be within quotes, e.g., `"${STR_VAR}"`, for numbers and booleans
they should be unquoted, e.g., `${INT_VAR}`, `${BOOL_VAR}`.
There are some configuration options that are configurable per input:
When using the `.deb` or `.rpm` packages, you can define environment variables
in the `/etc/default/telegraf` file.
* **name_override**: Override the base name of the measurement.
(Default is the name of the input).
* **name_prefix**: Specifies a prefix to attach to the measurement name.
* **name_suffix**: Specifies a suffix to attach to the measurement name.
* **tags**: A map of tags to apply to a specific input's measurements.
* **interval**: How often to gather this metric. Normal plugins use a single
global interval, but if one particular input should be run less or more often,
you can configure that here.
**Example**:
#### Input Filters
`/etc/default/telegraf`:
```
USER="alice"
INFLUX_URL="http://localhost:8086"
INFLUX_SKIP_DATABASE_CREATION="true"
INFLUX_PASSWORD="monkey123"
```
There are also filters that can be configured per input:
* **pass**: An array of strings that is used to filter metrics generated by the
current input. Each string in the array is tested as a glob match against field names
and if it matches, the field is emitted.
* **drop**: The inverse of pass, if a field name matches, it is not emitted.
* **tagpass**: tag names and arrays of strings that are used to filter
measurements by the current input. Each string in the array is tested as a glob
match against the tag name, and if it matches the measurement is emitted.
* **tagdrop**: The inverse of tagpass. If a tag matches, the measurement is not
emitted. This is tested on measurements that have passed the tagpass test.
#### Input Configuration Examples
This is a full working config that will output CPU data to an InfluxDB instance
at 192.168.59.103:8086, tagging measurements with dc="denver-1". It will output
measurements at a 10s interval and will collect per-cpu data, dropping any
fields which begin with `time_`.
`/etc/telegraf.conf`:
```toml
[global_tags]
user = "${USER}"
dc = "denver-1"
[[inputs.mem]]
[[outputs.influxdb]]
urls = ["${INFLUX_URL}"]
skip_database_creation = ${INFLUX_SKIP_DATABASE_CREATION}
password = "${INFLUX_PASSWORD}"
```
The above files will produce the following effective configuration file to be
parsed:
```toml
[global_tags]
user = "alice"
[[outputs.influxdb]]
urls = "http://localhost:8086"
skip_database_creation = true
password = "monkey123"
```
### Intervals
Intervals are durations of time and can be specified for supporting settings by
combining an integer value and time unit as a string value. Valid time units are
`ns`, `us` (or `µs`), `ms`, `s`, `m`, `h`.
```toml
[agent]
interval = "10s"
```
### Global Tags
Global tags can be specified in the `[global_tags]` table in key="value"
format. All metrics that are gathered will be tagged with the tags specified.
```toml
[global_tags]
dc = "us-east-1"
```
### Agent
The agent table configures Telegraf and the defaults used across all plugins.
- **interval**: Default data collection [interval][] for all inputs.
- **round_interval**: Rounds collection interval to [interval][]
ie, if interval="10s" then always collect on :00, :10, :20, etc.
- **metric_batch_size**:
Telegraf will send metrics to outputs in batches of at most
metric_batch_size metrics.
This controls the size of writes that Telegraf sends to output plugins.
- **metric_buffer_limit**:
Maximum number of unwritten metrics per output. Increasing this value
allows for longer periods of output downtime without dropping metrics at the
cost of higher maximum memory usage.
- **collection_jitter**:
Collection jitter is used to jitter the collection by a random [interval][].
Each plugin will sleep for a random time within jitter before collecting.
This can be used to avoid many plugins querying things like sysfs at the
same time, which can have a measurable effect on the system.
- **flush_interval**:
Default flushing [interval][] for all outputs. Maximum flush_interval will be
flush_interval + flush_jitter.
- **flush_jitter**:
Default flush jitter for all outputs. This jitters the flush [interval][]
by a random amount. This is primarily to avoid large write spikes for users
running a large number of telegraf instances. ie, a jitter of 5s and interval
10s means flushes will happen every 10-15s.
- **precision**:
Collected metrics are rounded to the precision specified as an [interval][].
Precision will NOT be used for service inputs. It is up to each individual
service input to set the timestamp at the appropriate precision.
- **debug**:
Log at debug level.
- **quiet**:
Log only error level messages.
- **logtarget**:
Log target controls the destination for logs and can be one of "file",
"stderr" or, on Windows, "eventlog". When set to "file", the output file is
determined by the "logfile" setting.
- **logfile**:
Name of the file to be logged to when using the "file" logtarget. If set to
the empty string then logs are written to stderr.
- **logfile_rotation_interval**:
The logfile will be rotated after the time interval specified. When set to
0 no time based rotation is performed.
- **logfile_rotation_max_size**:
The logfile will be rotated when it becomes larger than the specified size.
When set to 0 no size based rotation is performed.
- **logfile_rotation_max_archives**:
Maximum number of rotated archives to keep, any older logs are deleted. If
set to -1, no archives are removed.
- **hostname**:
Override default hostname, if empty use os.Hostname()
- **omit_hostname**:
If set to true, do no set the "host" tag in the telegraf agent.
### Plugins
Telegraf plugins are divided into 4 types: [inputs][], [outputs][],
[processors][], and [aggregators][].
Unlike the `global_tags` and `agent` tables, any plugin can be defined
multiple times and each instance will run independently. This allows you to
have plugins defined with differing configurations as needed within a single
Telegraf process.
Each plugin has a unique set of configuration options, reference the
sample configuration for details. Additionally, several options are available
on any plugin depending on its type.
### Input Plugins
Input plugins gather and create metrics. They support both polling and event
driven operation.
Parameters that can be used with any input plugin:
- **alias**: Name an instance of a plugin.
- **interval**: How often to gather this metric. Normal plugins use a single
global interval, but if one particular input should be run less or more
often, you can configure that here.
- **name_override**: Override the base name of the measurement. (Default is
the name of the input).
- **name_prefix**: Specifies a prefix to attach to the measurement name.
- **name_suffix**: Specifies a suffix to attach to the measurement name.
- **tags**: A map of tags to apply to a specific input's measurements.
The [metric filtering][] parameters can be used to limit what metrics are
emitted from the input plugin.
#### Examples
Use the name_suffix parameter to emit measurements with the name `cpu_total`:
```toml
[[inputs.cpu]]
name_suffix = "_total"
percpu = false
totalcpu = true
```
Use the name_override parameter to emit measurements with the name `foobar`:
```toml
[[inputs.cpu]]
name_override = "foobar"
percpu = false
totalcpu = true
```
Emit measurements with two additional tags: `tag1=foo` and `tag2=bar`
> **NOTE**: With TOML, order matters. Parameters belong to the last defined
> table header, place `[inputs.cpu.tags]` table at the _end_ of the plugin
> definition.
```toml
[[inputs.cpu]]
percpu = false
totalcpu = true
[inputs.cpu.tags]
tag1 = "foo"
tag2 = "bar"
```
Utilize `name_override`, `name_prefix`, or `name_suffix` config options to
avoid measurement collisions when defining multiple plugins:
```toml
[[inputs.cpu]]
percpu = false
totalcpu = true
[[inputs.cpu]]
percpu = true
totalcpu = false
name_override = "percpu_usage"
fielddrop = ["cpu_time*"]
```
### Output Plugins
Output plugins write metrics to a location. Outputs commonly write to
databases, network services, and messaging systems.
Parameters that can be used with any output plugin:
- **alias**: Name an instance of a plugin.
- **flush_interval**: The maximum time between flushes. Use this setting to
override the agent `flush_interval` on a per plugin basis.
- **flush_jitter**: The amount of time to jitter the flush interval. Use this
setting to override the agent `flush_jitter` on a per plugin basis.
- **metric_batch_size**: The maximum number of metrics to send at once. Use
this setting to override the agent `metric_batch_size` on a per plugin basis.
- **metric_buffer_limit**: The maximum number of unsent metrics to buffer.
Use this setting to override the agent `metric_buffer_limit` on a per plugin
basis.
- **name_override**: Override the original name of the measurement.
- **name_prefix**: Specifies a prefix to attach to the measurement name.
- **name_suffix**: Specifies a suffix to attach to the measurement name.
The [metric filtering][] parameters can be used to limit what metrics are
emitted from the output plugin.
#### Examples
Override flush parameters for a single output:
```toml
[agent]
flush_interval = "10s"
flush_jitter = "5s"
metric_batch_size = 1000
# OUTPUTS
[[outputs.influxdb]]
urls = [ "http://example.org:8086" ]
database = "telegraf"
url = "http://192.168.59.103:8086" # required.
database = "telegraf" # required.
precision = "s"
[[outputs.file]]
files = [ "stdout" ]
flush_interval = "1s"
flush_jitter = "1s"
metric_batch_size = 10
# INPUTS
[[inputs.cpu]]
percpu = true
totalcpu = false
# filter all fields beginning with 'time_'
drop = ["time_*"]
```
### Processor Plugins
#### Input Config: tagpass and tagdrop
Processor plugins perform processing tasks on metrics and are commonly used to
rename or apply transformations to metrics. Processors are applied after the
input plugins and before any aggregator plugins.
Parameters that can be used with any processor plugin:
- **alias**: Name an instance of a plugin.
- **order**: The order in which the processor(s) are executed. If this is not
specified then processor execution order will be random.
The [metric filtering][] parameters can be used to limit what metrics are
handled by the processor. Excluded metrics are passed downstream to the next
processor.
#### Examples
If the order processors are applied matters you must set order on all involved
processors:
```toml
[[processors.rename]]
order = 1
[[processors.rename.replace]]
tag = "path"
dest = "resource"
[[processors.strings]]
order = 2
[[processors.strings.trim_prefix]]
tag = "resource"
prefix = "/api/"
```
### Aggregator Plugins
Aggregator plugins produce new metrics after examining metrics over a time
period, as the name suggests they are commonly used to produce new aggregates
such as mean/max/min metrics. Aggregators operate on metrics after any
processors have been applied.
Parameters that can be used with any aggregator plugin:
- **alias**: Name an instance of a plugin.
- **period**: The period on which to flush & clear each aggregator. All
metrics that are sent with timestamps outside of this period will be ignored
by the aggregator.
- **delay**: The delay before each aggregator is flushed. This is to control
how long for aggregators to wait before receiving metrics from input
plugins, in the case that aggregators are flushing and inputs are gathering
on the same interval.
- **grace**: The duration when the metrics will still be aggregated
by the plugin, even though they're outside of the aggregation period. This
is needed in a situation when the agent is expected to receive late metrics
and it's acceptable to roll them up into next aggregation period.
- **drop_original**: If true, the original metric will be dropped by the
aggregator and will not get sent to the output plugins.
- **name_override**: Override the base name of the measurement. (Default is
the name of the input).
- **name_prefix**: Specifies a prefix to attach to the measurement name.
- **name_suffix**: Specifies a suffix to attach to the measurement name.
- **tags**: A map of tags to apply to a specific input's measurements.
The [metric filtering][] parameters can be used to limit what metrics are
handled by the aggregator. Excluded metrics are passed downstream to the next
aggregator.
#### Examples
Collect and emit the min/max of the system load1 metric every 30s, dropping
the originals.
```toml
[[inputs.system]]
fieldpass = ["load1"] # collects system load1 metric.
[[aggregators.minmax]]
period = "30s" # send & clear the aggregate every 30s.
drop_original = true # drop the original metrics.
[[outputs.file]]
files = ["stdout"]
```
Collect and emit the min/max of the swap metrics every 30s, dropping the
originals. The aggregator will not be applied to the system load metrics due
to the `namepass` parameter.
```toml
[[inputs.swap]]
[[inputs.system]]
fieldpass = ["load1"] # collects system load1 metric.
[[aggregators.minmax]]
period = "30s" # send & clear the aggregate every 30s.
drop_original = true # drop the original metrics.
namepass = ["swap"] # only "pass" swap metrics through the aggregator.
[[outputs.file]]
files = ["stdout"]
```
<a id="measurement-filtering"></a>
### Metric Filtering
Metric filtering can be configured per plugin on any input, output, processor,
and aggregator plugin. Filters fall under two categories: Selectors and
Modifiers.
#### Selectors
Selector filters include or exclude entire metrics. When a metric is excluded
from a Input or an Output plugin, the metric is dropped. If a metric is
excluded from a Processor or Aggregator plugin, it is skips the plugin and is
sent onwards to the next stage of processing.
- **namepass**:
An array of glob pattern strings. Only metrics whose measurement name matches
a pattern in this list are emitted.
- **namedrop**:
The inverse of `namepass`. If a match is found the metric is discarded. This
is tested on metrics after they have passed the `namepass` test.
- **tagpass**:
A table mapping tag keys to arrays of glob pattern strings. Only metrics
that contain a tag key in the table and a tag value matching one of its
patterns is emitted.
- **tagdrop**:
The inverse of `tagpass`. If a match is found the metric is discarded. This
is tested on metrics after they have passed the `tagpass` test.
#### Modifiers
Modifier filters remove tags and fields from a metric. If all fields are
removed the metric is removed.
- **fieldpass**:
An array of glob pattern strings. Only fields whose field key matches a
pattern in this list are emitted.
- **fielddrop**:
The inverse of `fieldpass`. Fields with a field key matching one of the
patterns will be discarded from the metric. This is tested on metrics after
they have passed the `fieldpass` test.
- **taginclude**:
An array of glob pattern strings. Only tags with a tag key matching one of
the patterns are emitted. In contrast to `tagpass`, which will pass an entire
metric based on its tag, `taginclude` removes all non matching tags from the
metric. Any tag can be filtered including global tags and the agent `host`
tag.
- **tagexclude**:
The inverse of `taginclude`. Tags with a tag key matching one of the patterns
will be discarded from the metric. Any tag can be filtered including global
tags and the agent `host` tag.
#### Filtering Examples
##### Using tagpass and tagdrop:
```toml
[[inputs.cpu]]
percpu = true
totalcpu = false
fielddrop = ["cpu_time"]
drop = ["cpu_time"]
# Don't collect CPU data for cpu6 & cpu7
[inputs.cpu.tagdrop]
cpu = [ "cpu6", "cpu7" ]
@ -474,119 +115,104 @@ tags and the agent `host` tag.
fstype = [ "ext4", "xfs" ]
# Globs can also be used on the tag values
path = [ "/opt", "/home*" ]
[[inputs.win_perf_counters]]
[[inputs.win_perf_counters.object]]
ObjectName = "Network Interface"
Instances = ["*"]
Counters = [
"Bytes Received/sec",
"Bytes Sent/sec"
]
Measurement = "win_net"
# Don't send metrics where the Windows interface name (instance) begins with isatap or Local
[inputs.win_perf_counters.tagdrop]
instance = ["isatap*", "Local*"]
```
##### Using fieldpass and fielddrop:
#### Input Config: pass and drop
```toml
# Drop all metrics for guest & steal CPU usage
[[inputs.cpu]]
percpu = false
totalcpu = true
fielddrop = ["usage_guest", "usage_steal"]
drop = ["usage_guest", "usage_steal"]
# Only store inode related metrics for disks
[[inputs.disk]]
fieldpass = ["inodes*"]
pass = ["inodes*"]
```
##### Using namepass and namedrop:
```toml
# Drop all metrics about containers for kubelet
[[inputs.prometheus]]
urls = ["http://kube-node-1:4194/metrics"]
namedrop = ["container_*"]
#### Input config: prefix, suffix, and override
# Only store rest client related metrics for kubelet
[[inputs.prometheus]]
urls = ["http://kube-node-1:4194/metrics"]
namepass = ["rest_client_*"]
This plugin will emit measurements with the name `cpu_total`
```toml
[[inputs.cpu]]
name_suffix = "_total"
percpu = false
totalcpu = true
```
##### Using taginclude and tagexclude:
This will emit measurements with the name `foobar`
```toml
# Only include the "cpu" tag in the measurements for the cpu plugin.
[[inputs.cpu]]
name_override = "foobar"
percpu = false
totalcpu = true
```
#### Input config: tags
This plugin will emit measurements with two additional tags: `tag1=foo` and
`tag2=bar`
```toml
[[inputs.cpu]]
percpu = false
totalcpu = true
[inputs.cpu.tags]
tag1 = "foo"
tag2 = "bar"
```
#### Multiple inputs of the same type
Additional inputs (or outputs) of the same type can be specified,
just define more instances in the config file. It is highly recommended that
you utilize `name_override`, `name_prefix`, or `name_suffix` config options
to avoid measurement collisions:
```toml
[[inputs.cpu]]
percpu = false
totalcpu = true
[[inputs.cpu]]
percpu = true
totalcpu = true
taginclude = ["cpu"]
# Exclude the "fstype" tag from the measurements for the disk plugin.
[[inputs.disk]]
tagexclude = ["fstype"]
totalcpu = false
name_override = "percpu_usage"
drop = ["cpu_time*"]
```
##### Metrics can be routed to different outputs using the metric name and tags:
## `[outputs.xxx]` Configuration
Telegraf also supports specifying multiple output sinks to send data to,
configuring each output sink is different, but examples can be
found by running `telegraf -sample-config`.
Outputs also support the same configurable options as inputs
(pass, drop, tagpass, tagdrop)
```toml
[[outputs.influxdb]]
urls = [ "http://localhost:8086" ]
database = "telegraf"
precision = "s"
# Drop all measurements that start with "aerospike"
namedrop = ["aerospike*"]
drop = ["aerospike*"]
[[outputs.influxdb]]
urls = [ "http://localhost:8086" ]
database = "telegraf-aerospike-data"
precision = "s"
# Only accept aerospike data:
namepass = ["aerospike*"]
pass = ["aerospike*"]
[[outputs.influxdb]]
urls = [ "http://localhost:8086" ]
database = "telegraf-cpu0-data"
precision = "s"
# Only store measurements where the tag "cpu" matches the value "cpu0"
[outputs.influxdb.tagpass]
cpu = ["cpu0"]
```
##### Routing metrics to different outputs based on the input.
Metrics are tagged with `influxdb_database` in the input, which is then used to
select the output. The tag is removed in the outputs before writing.
```toml
[[outputs.influxdb]]
urls = ["http://influxdb.example.com"]
database = "db_default"
[outputs.influxdb.tagdrop]
influxdb_database = ["*"]
[[outputs.influxdb]]
urls = ["http://influxdb.example.com"]
database = "db_other"
tagexclude = ["influxdb_database"]
[outputs.influxdb.tagpass]
influxdb_database = ["other"]
[[inputs.disk]]
[inputs.disk.tags]
influxdb_database = "other"
```
### Transport Layer Security (TLS)
Reference the detailed [TLS][] documentation.
[TOML]: https://github.com/toml-lang/toml#toml
[global tags]: #global-tags
[interval]: #intervals
[agent]: #agent
[plugins]: #plugins
[inputs]: #input-plugins
[outputs]: #output-plugins
[processors]: #processor-plugins
[aggregators]: #aggregator-plugins
[metric filtering]: #metric-filtering
[telegraf.conf]: /etc/telegraf.conf
[TLS]: /docs/TLS.md

View File

@ -1,24 +1,27 @@
# Input Data Formats
# Telegraf Input Data Formats
Telegraf contains many general purpose plugins that support parsing input data
using a configurable parser into [metrics][]. This allows, for example, the
`kafka_consumer` input plugin to process messages in either InfluxDB Line
Protocol or in JSON format.
Telegraf metrics, like InfluxDB
[points](https://docs.influxdata.com/influxdb/v0.10/write_protocols/line/),
are a combination of four basic parts:
- [InfluxDB Line Protocol](/plugins/parsers/influx)
- [Collectd](/plugins/parsers/collectd)
- [CSV](/plugins/parsers/csv)
- [Dropwizard](/plugins/parsers/dropwizard)
- [Graphite](/plugins/parsers/graphite)
- [Grok](/plugins/parsers/grok)
- [JSON](/plugins/parsers/json)
- [Logfmt](/plugins/parsers/logfmt)
- [Nagios](/plugins/parsers/nagios)
- [Value](/plugins/parsers/value), ie: 45 or "booyah"
- [Wavefront](/plugins/parsers/wavefront)
1. Measurement Name
1. Tags
1. Fields
1. Timestamp
Any input plugin containing the `data_format` option can use it to select the
desired parser:
These four parts are easily defined when using InfluxDB line-protocol as a
data format. But there are other data formats that users may want to use which
require more advanced configuration to create usable Telegraf metrics.
Plugins such as `exec` and `kafka_consumer` parse textual data. Up until now,
these plugins were statically configured to parse just a single
data format. `exec` mostly only supported parsing JSON, and `kafka_consumer` only
supported data in InfluxDB line-protocol.
But now we are normalizing the parsing of various data formats across all
plugins that can support it. You will be able to identify a plugin that supports
different data formats by the presence of a `data_format` config option, for
example, in the exec plugin:
```toml
[[inputs.exec]]
@ -28,11 +31,244 @@ desired parser:
## measurement name suffix (for separating different commands)
name_suffix = "_mycollector"
## Data format to consume.
## Each data format has its own unique set of configuration options, read
## Data format to consume. This can be "json", "influx" or "graphite"
## Each data format has it's own unique set of configuration options, read
## more about them here:
## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_INPUT.md
data_format = "json"
## Additional configuration options go here
```
[metrics]: /docs/METRICS.md
Each data_format has an additional set of configuration options available, which
I'll go over below.
## Influx:
There are no additional configuration options for InfluxDB line-protocol. The
metrics are parsed directly into Telegraf metrics.
#### Influx Configuration:
```toml
[[inputs.exec]]
## Commands array
commands = ["/tmp/test.sh", "/usr/bin/mycollector --foo=bar"]
## measurement name suffix (for separating different commands)
name_suffix = "_mycollector"
## Data format to consume. This can be "json", "influx" or "graphite"
## Each data format has it's own unique set of configuration options, read
## more about them here:
## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_INPUT.md
data_format = "influx"
```
## JSON:
The JSON data format flattens JSON into metric _fields_. For example, this JSON:
```json
{
"a": 5,
"b": {
"c": 6
}
}
```
Would get translated into _fields_ of a measurement:
```
myjsonmetric a=5,b_c=6
```
The _measurement_ _name_ is usually the name of the plugin,
but can be overridden using the `name_override` config option.
#### JSON Configuration:
The JSON data format supports specifying "tag keys". If specified, keys
will be searched for in the root-level of the JSON blob. If the key(s) exist,
they will be applied as tags to the Telegraf metrics.
For example, if you had this configuration:
```toml
[[inputs.exec]]
## Commands array
commands = ["/tmp/test.sh", "/usr/bin/mycollector --foo=bar"]
## measurement name suffix (for separating different commands)
name_suffix = "_mycollector"
## Data format to consume. This can be "json", "influx" or "graphite"
## Each data format has it's own unique set of configuration options, read
## more about them here:
## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_INPUT.md
data_format = "json"
## List of tag names to extract from top-level of JSON server response
tag_keys = [
"my_tag_1",
"my_tag_2"
]
```
with this JSON output from a command:
```json
{
"a": 5,
"b": {
"c": 6
},
"my_tag_1": "foo"
}
```
Your Telegraf metrics would get tagged with "my_tag_1"
```
exec_mycollector,my_tag_1=foo a=5,b_c=6
```
## Graphite:
The Graphite data format translates graphite _dot_ buckets directly into
telegraf measurement names, with a single value field, and without any tags. For
more advanced options, Telegraf supports specifying "templates" to translate
graphite buckets into Telegraf metrics.
#### Separator:
You can specify a separator to use for the parsed metrics.
By default, it will leave the metrics with a "." separator.
Setting `separator = "_"` will translate:
```
cpu.usage.idle 99
=> cpu_usage_idle value=99
```
#### Measurement/Tag Templates:
The most basic template is to specify a single transformation to apply to all
incoming metrics. _measurement_ is a special keyword that tells Telegraf which
parts of the graphite bucket to combine into the measurement name. It can have a
trailing `*` to indicate that the remainder of the metric should be used.
Other words are considered tag keys. So the following template:
```toml
templates = [
"region.measurement*"
]
```
would result in the following Graphite -> Telegraf transformation.
```
us-west.cpu.load 100
=> cpu.load,region=us-west value=100
```
#### Field Templates:
There is also a _field_ keyword, which can only be specified once.
The field keyword tells Telegraf to give the metric that field name.
So the following template:
```toml
templates = [
"measurement.measurement.field.region"
]
```
would result in the following Graphite -> Telegraf transformation.
```
cpu.usage.idle.us-west 100
=> cpu_usage,region=us-west idle=100
```
#### Filter Templates:
Users can also filter the template(s) to use based on the name of the bucket,
using glob matching, like so:
```toml
templates = [
"cpu.* measurement.measurement.region",
"mem.* measurement.measurement.host"
]
```
which would result in the following transformation:
```
cpu.load.us-west 100
=> cpu_load,region=us-west value=100
mem.cached.localhost 256
=> mem_cached,host=localhost value=256
```
#### Adding Tags:
Additional tags can be added to a metric that don't exist on the received metric.
You can add additional tags by specifying them after the pattern.
Tags have the same format as the line protocol.
Multiple tags are separated by commas.
```toml
templates = [
"measurement.measurement.field.region datacenter=1a"
]
```
would result in the following Graphite -> Telegraf transformation.
```
cpu.usage.idle.us-west 100
=> cpu_usage,region=us-west,datacenter=1a idle=100
```
There are many more options available,
[More details can be found here](https://github.com/influxdata/influxdb/tree/master/services/graphite#templates)
#### Graphite Configuration:
```toml
[[inputs.exec]]
## Commands array
commands = ["/tmp/test.sh", "/usr/bin/mycollector --foo=bar"]
## measurement name suffix (for separating different commands)
name_suffix = "_mycollector"
## Data format to consume. This can be "json", "influx" or "graphite" (line-protocol)
## Each data format has it's own unique set of configuration options, read
## more about them here:
## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_INPUT.md
data_format = "graphite"
## This string will be used to join the matched values.
separator = "_"
## Each template line requires a template pattern. It can have an optional
## filter before the template and separated by spaces. It can also have optional extra
## tags following the template. Multiple tags should be separated by commas and no spaces
## similar to the line protocol format. There can be only one default template.
## Templates support below format:
## 1. filter + template
## 2. filter + template + extra tag
## 3. filter + template with field key
## 4. default template
templates = [
"*.app env.service.resource.measurement",
"stats.* .host.measurement* region=us-west,agent=sensu",
"stats2.* .host.measurement.field",
"measurement*"
]
```

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@ -1,28 +1,97 @@
# Output Data Formats
# Telegraf Output Data Formats
In addition to output specific data formats, Telegraf supports a set of
standard data formats that may be selected from when configuring many output
plugins.
Telegraf metrics, like InfluxDB
[points](https://docs.influxdata.com/influxdb/v0.10/write_protocols/line/),
are a combination of four basic parts:
1. [InfluxDB Line Protocol](/plugins/serializers/influx)
1. [Carbon2](/plugins/serializers/carbon2)
1. [Graphite](/plugins/serializers/graphite)
1. [JSON](/plugins/serializers/json)
1. [Prometheus](/plugins/serializers/prometheus)
1. [SplunkMetric](/plugins/serializers/splunkmetric)
1. [Wavefront](/plugins/serializers/wavefront)
1. Measurement Name
1. Tags
1. Fields
1. Timestamp
You will be able to identify the plugins with support by the presence of a
`data_format` config option, for example, in the `file` output plugin:
In InfluxDB line protocol, these 4 parts are easily defined in textual form:
```
measurement_name[,tag1=val1,...] field1=val1[,field2=val2,...] [timestamp]
```
For Telegraf outputs that write textual data (such as `kafka`, `mqtt`, and `file`),
InfluxDB line protocol was originally the only available output format. But now
we are normalizing telegraf metric "serializers" into a
[plugin-like interface](https://github.com/influxdata/telegraf/tree/master/plugins/serializers)
across all output plugins that can support it.
You will be able to identify a plugin that supports different data formats
by the presence of a `data_format`
config option, for example, in the `file` output plugin:
```toml
[[outputs.file]]
## Files to write to, "stdout" is a specially handled file.
files = ["stdout"]
## Data format to output.
## Each data format has its own unique set of configuration options, read
## Data format to output. This can be "influx" or "graphite"
## Each data format has it's own unique set of configuration options, read
## more about them here:
## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_OUTPUT.md
data_format = "influx"
## Additional configuration options go here
```
Each data_format has an additional set of configuration options available, which
I'll go over below.
## Influx:
There are no additional configuration options for InfluxDB line-protocol. The
metrics are serialized directly into InfluxDB line-protocol.
#### Influx Configuration:
```toml
[[outputs.file]]
## Files to write to, "stdout" is a specially handled file.
files = ["stdout", "/tmp/metrics.out"]
## Data format to output. This can be "influx" or "graphite"
## Each data format has it's own unique set of configuration options, read
## more about them here:
## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_OUTPUT.md
data_format = "influx"
```
## Graphite:
The Graphite data format translates Telegraf metrics into _dot_ buckets.
The format is:
```
[prefix].[host tag].[all tags (alphabetical)].[measurement name].[field name] value timestamp
```
Which means the following influx metric -> graphite conversion would happen:
```
cpu,cpu=cpu-total,dc=us-east-1,host=tars usage_idle=98.09,usage_user=0.89 1455320660004257758
=>
tars.cpu-total.us-east-1.cpu.usage_user 0.89 1455320690
tars.cpu-total.us-east-1.cpu.usage_idle 98.09 1455320690
```
`prefix` is a configuration option when using the graphite output data format.
#### Graphite Configuration:
```toml
[[outputs.file]]
## Files to write to, "stdout" is a specially handled file.
files = ["stdout", "/tmp/metrics.out"]
## Data format to output. This can be "influx" or "graphite"
## Each data format has it's own unique set of configuration options, read
## more about them here:
## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_OUTPUT.md
data_format = "influx"
prefix = "telegraf"
```

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@ -1,76 +0,0 @@
# Frequently Asked Questions
### Q: How can I monitor the Docker Engine Host from within a container?
You will need to setup several volume mounts as well as some environment
variables:
```
docker run --name telegraf
-v /:/hostfs:ro
-v /etc:/hostfs/etc:ro
-v /proc:/hostfs/proc:ro
-v /sys:/hostfs/sys:ro
-v /var:/hostfs/var:ro
-v /run:/hostfs/run:ro
-e HOST_ETC=/hostfs/etc
-e HOST_PROC=/hostfs/proc
-e HOST_SYS=/hostfs/sys
-e HOST_VAR=/hostfs/var
-e HOST_RUN=/hostfs/run
-e HOST_MOUNT_PREFIX=/hostfs
telegraf
```
### Q: Why do I get a "no such host" error resolving hostnames that other
programs can resolve?
Go uses a pure Go resolver by default for [name resolution](https://golang.org/pkg/net/#hdr-Name_Resolution).
This resolver behaves differently than the C library functions but is more
efficient when used with the Go runtime.
If you encounter problems or want to use more advanced name resolution methods
that are unsupported by the pure Go resolver, you can switch to the cgo
resolver.
If running manually set:
```
export GODEBUG=netdns=cgo
```
If running as a service add the environment variable to `/etc/default/telegraf`:
```
GODEBUG=netdns=cgo
```
### Q: How can I manage series cardinality?
High [series cardinality][], when not properly managed, can cause high load on
your database. Telegraf attempts to avoid creating series with high
cardinality, but some monitoring workloads such as tracking containers are are
inherently high cardinality. These workloads can still be monitored, but care
must be taken to manage cardinality growth.
You can use the following techniques to avoid cardinality issues:
- Use [metric filtering][] options to exclude unneeded measurements and tags.
- Write to a database with an appropriate [retention policy][].
- Limit series cardinality in your database using the
[max-series-per-database][] and [max-values-per-tag][] settings.
- Consider using the [Time Series Index][tsi].
- Monitor your databases using the [show cardinality][] commands.
- Consult the [InfluxDB documentation][influx docs] for the most up-to-date techniques.
[series cardinality]: https://docs.influxdata.com/influxdb/v1.7/concepts/glossary/#series-cardinality
[metric filtering]: https://github.com/influxdata/telegraf/blob/master/docs/CONFIGURATION.md#metric-filtering
[retention policy]: https://docs.influxdata.com/influxdb/latest/guides/downsampling_and_retention/
[max-series-per-database]: https://docs.influxdata.com/influxdb/latest/administration/config/#max-series-per-database-1000000
[max-values-per-tag]: https://docs.influxdata.com/influxdb/latest/administration/config/#max-values-per-tag-100000
[tsi]: https://docs.influxdata.com/influxdb/latest/concepts/time-series-index/
[show cardinality]: https://docs.influxdata.com/influxdb/latest/query_language/spec/#show-cardinality
[influx docs]: https://docs.influxdata.com/influxdb/latest/
### Q: When will the next version be released?
The latest release date estimate can be viewed on the
[milestones](https://github.com/influxdata/telegraf/milestones) page.

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@ -1,149 +0,0 @@
### Input Plugins
This section is for developers who want to create new collection inputs.
Telegraf is entirely plugin driven. This interface allows for operators to
pick and chose what is gathered and makes it easy for developers
to create new ways of generating metrics.
Plugin authorship is kept as simple as possible to promote people to develop
and submit new inputs.
### Input Plugin Guidelines
- A plugin must conform to the [telegraf.Input][] interface.
- Input Plugins should call `inputs.Add` in their `init` function to register
themselves. See below for a quick example.
- Input Plugins must be added to the
`github.com/influxdata/telegraf/plugins/inputs/all/all.go` file.
- The `SampleConfig` function should return valid toml that describes how the
plugin can be configured. This is included in `telegraf config`. Please
consult the [SampleConfig][] page for the latest style
guidelines.
- The `Description` function should say in one line what this plugin does.
- Follow the recommended [CodeStyle][].
Let's say you've written a plugin that emits metrics about processes on the
current host.
### Input Plugin Example
```go
package simple
// simple.go
import (
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/plugins/inputs"
)
type Simple struct {
Ok bool `toml:"ok"`
}
func (s *Simple) Description() string {
return "a demo plugin"
}
func (s *Simple) SampleConfig() string {
return `
## Indicate if everything is fine
ok = true
`
}
func (s *Simple) Init() error {
return nil
}
func (s *Simple) Gather(acc telegraf.Accumulator) error {
if s.Ok {
acc.AddFields("state", map[string]interface{}{"value": "pretty good"}, nil)
} else {
acc.AddFields("state", map[string]interface{}{"value": "not great"}, nil)
}
return nil
}
func init() {
inputs.Add("simple", func() telegraf.Input { return &Simple{} })
}
```
### Development
* Run `make static` followed by `make plugin-[pluginName]` to spin up a docker
dev environment using docker-compose.
* ***[Optional]*** When developing a plugin, add a `dev` directory with a
`docker-compose.yml` and `telegraf.conf` as well as any other supporting
files, where sensible.
### Typed Metrics
In addition the the `AddFields` function, the accumulator also supports
functions to add typed metrics: `AddGauge`, `AddCounter`, etc. Metric types
are ignored by the InfluxDB output, but can be used for other outputs, such as
[prometheus][prom metric types].
### Data Formats
Some input plugins, such as the [exec][] plugin, can accept any supported
[input data formats][].
In order to enable this, you must specify a `SetParser(parser parsers.Parser)`
function on the plugin object (see the exec plugin for an example), as well as
defining `parser` as a field of the object.
You can then utilize the parser internally in your plugin, parsing data as you
see fit. Telegraf's configuration layer will take care of instantiating and
creating the `Parser` object.
Add the following to the `SampleConfig()`:
```toml
## Data format to consume.
## Each data format has its own unique set of configuration options, read
## more about them here:
## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_INPUT.md
data_format = "influx"
```
### Service Input Plugins
This section is for developers who want to create new "service" collection
inputs. A service plugin differs from a regular plugin in that it operates a
background service while Telegraf is running. One example would be the
`statsd` plugin, which operates a statsd server.
Service Input Plugins are substantially more complicated than a regular
plugin, as they will require threads and locks to verify data integrity.
Service Input Plugins should be avoided unless there is no way to create their
behavior with a regular plugin.
To create a Service Input implement the [telegraf.ServiceInput][] interface.
### Metric Tracking
Metric Tracking provides a system to be notified when metrics have been
successfully written to their outputs or otherwise discarded. This allows
inputs to be created that function as reliable queue consumers.
To get started with metric tracking begin by calling `WithTracking` on the
[telegraf.Accumulator][]. Add metrics using the `AddTrackingMetricGroup`
function on the returned [telegraf.TrackingAccumulator][] and store the
`TrackingID`. The `Delivered()` channel will return a type with information
about the final delivery status of the metric group.
Check the [amqp_consumer][] for an example implementation.
[exec]: https://github.com/influxdata/telegraf/tree/master/plugins/inputs/exec
[amqp_consumer]: https://github.com/influxdata/telegraf/tree/master/plugins/inputs/amqp_consumer
[prom metric types]: https://prometheus.io/docs/concepts/metric_types/
[input data formats]: https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_INPUT.md
[SampleConfig]: https://github.com/influxdata/telegraf/wiki/SampleConfig
[CodeStyle]: https://github.com/influxdata/telegraf/wiki/CodeStyle
[telegraf.Input]: https://godoc.org/github.com/influxdata/telegraf#Input
[telegraf.ServiceInput]: https://godoc.org/github.com/influxdata/telegraf#ServiceInput
[telegraf.Accumulator]: https://godoc.org/github.com/influxdata/telegraf#Accumulator
[telegraf.TrackingAccumulator]: https://godoc.org/github.com/influxdata/telegraf#Accumulator

View File

@ -1,172 +1,33 @@
# Licenses of dependencies
# List
- github.com/Shopify/sarama [MIT LICENSE](https://github.com/Shopify/sarama/blob/master/MIT-LICENSE)
- github.com/Sirupsen/logrus [MIT LICENSE](https://github.com/Sirupsen/logrus/blob/master/LICENSE)
- github.com/armon/go-metrics [MIT LICENSE](https://github.com/armon/go-metrics/blob/master/LICENSE)
- github.com/boltdb/bolt [MIT LICENSE](https://github.com/boltdb/bolt/blob/master/LICENSE)
- github.com/cenkalti/backoff [MIT LICENSE](https://github.com/cenkalti/backoff/blob/master/LICENSE)
- github.com/dancannon/gorethink [APACHE LICENSE](https://github.com/dancannon/gorethink/blob/master/LICENSE)
- github.com/eapache/go-resiliency [MIT LICENSE](https://github.com/eapache/go-resiliency/blob/master/LICENSE)
- github.com/eapache/queue [MIT LICENSE](https://github.com/eapache/queue/blob/master/LICENSE)
- github.com/fsouza/go-dockerclient [BSD LICENSE](https://github.com/fsouza/go-dockerclient/blob/master/LICENSE)
- github.com/go-sql-driver/mysql [MPL LICENSE](https://github.com/go-sql-driver/mysql/blob/master/LICENSE)
- github.com/gogo/protobuf [BSD LICENSE](https://github.com/gogo/protobuf/blob/master/LICENSE)
- github.com/golang/protobuf [BSD LICENSE](https://github.com/golang/protobuf/blob/master/LICENSE)
- github.com/golang/snappy [BSD LICENSE](https://github.com/golang/snappy/blob/master/LICENSE)
- github.com/gonuts/go-shellquote (No License, but the project it was forked from https://github.com/kballard/go-shellquote is [MIT](https://github.com/kballard/go-shellquote/blob/master/LICENSE)).
- github.com/hashicorp/go-msgpack [BSD LICENSE](https://github.com/hashicorp/go-msgpack/blob/master/LICENSE)
- github.com/hashicorp/raft [MPL LICENSE](https://github.com/hashicorp/raft/blob/master/LICENSE)
- github.com/hashicorp/raft-boltdb [MPL LICENSE](https://github.com/hashicorp/raft-boltdb/blob/master/LICENSE)
- github.com/lib/pq [MIT LICENSE](https://github.com/lib/pq/blob/master/LICENSE.md)
- github.com/matttproud/golang_protobuf_extensions [APACHE LICENSE](https://github.com/matttproud/golang_protobuf_extensions/blob/master/LICENSE)
- github.com/naoina/go-stringutil [MIT LICENSE](https://github.com/naoina/go-stringutil/blob/master/LICENSE)
- github.com/naoina/toml [MIT LICENSE](https://github.com/naoina/toml/blob/master/LICENSE)
- github.com/prometheus/client_golang [APACHE LICENSE](https://github.com/prometheus/client_golang/blob/master/LICENSE)
- github.com/samuel/go-zookeeper [BSD LICENSE](https://github.com/samuel/go-zookeeper/blob/master/LICENSE)
- github.com/stretchr/objx [MIT LICENSE](github.com/stretchr/objx)
- github.com/stretchr/testify [MIT LICENSE](https://github.com/stretchr/testify/blob/master/LICENCE.txt)
- github.com/wvanbergen/kafka [MIT LICENSE](https://github.com/wvanbergen/kafka/blob/master/LICENSE)
- github.com/wvanbergen/kazoo-go [MIT LICENSE](https://github.com/wvanbergen/kazoo-go/blob/master/MIT-LICENSE)
- gopkg.in/dancannon/gorethink.v1 [APACHE LICENSE](https://github.com/dancannon/gorethink/blob/v1.1.2/LICENSE)
- gopkg.in/mgo.v2 [BSD LICENSE](https://github.com/go-mgo/mgo/blob/v2/LICENSE)
- golang.org/x/crypto/* [BSD LICENSE](https://github.com/golang/crypto/blob/master/LICENSE)
- internal Glob function [MIT LICENSE](https://github.com/ryanuber/go-glob/blob/master/LICENSE)
When distributed in a binary form, Telegraf may contain portions of the
following works:
- cloud.google.com/go [Apache License 2.0](https://github.com/googleapis/google-cloud-go/blob/master/LICENSE)
- code.cloudfoundry.org/clock [Apache License 2.0](https://github.com/cloudfoundry/clock/blob/master/LICENSE)
- collectd.org [MIT License](https://git.octo.it/?p=collectd.git;a=blob;f=COPYING;hb=HEAD)
- github.com/Azure/azure-amqp-common-go [MIT License](https://github.com/Azure/azure-amqp-common-go/blob/master/LICENSE)
- github.com/Azure/azure-event-hubs-go [MIT License](https://github.com/Azure/azure-event-hubs-go/blob/master/LICENSE)
- github.com/Azure/azure-pipeline-go [MIT License](https://github.com/Azure/azure-pipeline-go/blob/master/LICENSE)
- github.com/Azure/azure-sdk-for-go [Apache License 2.0](https://github.com/Azure/azure-sdk-for-go/blob/master/LICENSE)
- github.com/Azure/azure-storage-queue-go [MIT License](https://github.com/Azure/azure-storage-queue-go/blob/master/LICENSE)
- github.com/Azure/go-amqp [MIT License](https://github.com/Azure/go-amqp/blob/master/LICENSE)
- github.com/Azure/go-autorest [Apache License 2.0](https://github.com/Azure/go-autorest/blob/master/LICENSE)
- github.com/Mellanox/rdmamap [Apache License 2.0](https://github.com/Mellanox/rdmamap/blob/master/LICENSE)
- github.com/Microsoft/ApplicationInsights-Go [MIT License](https://github.com/Microsoft/ApplicationInsights-Go/blob/master/LICENSE)
- github.com/Microsoft/go-winio [MIT License](https://github.com/Microsoft/go-winio/blob/master/LICENSE)
- github.com/Shopify/sarama [MIT License](https://github.com/Shopify/sarama/blob/master/LICENSE)
- github.com/StackExchange/wmi [MIT License](https://github.com/StackExchange/wmi/blob/master/LICENSE)
- github.com/aerospike/aerospike-client-go [Apache License 2.0](https://github.com/aerospike/aerospike-client-go/blob/master/LICENSE)
- github.com/alecthomas/units [MIT License](https://github.com/alecthomas/units/blob/master/COPYING)
- github.com/amir/raidman [The Unlicense](https://github.com/amir/raidman/blob/master/UNLICENSE)
- github.com/apache/thrift [Apache License 2.0](https://github.com/apache/thrift/blob/master/LICENSE)
- github.com/aristanetworks/glog [Apache License 2.0](https://github.com/aristanetworks/glog/blob/master/LICENSE)
- github.com/aristanetworks/goarista [Apache License 2.0](https://github.com/aristanetworks/goarista/blob/master/COPYING)
- github.com/aws/aws-sdk-go [Apache License 2.0](https://github.com/aws/aws-sdk-go/blob/master/LICENSE.txt)
- github.com/benbjohnson/clock [MIT License](https://github.com/benbjohnson/clock/blob/master/LICENSE)
- github.com/beorn7/perks [MIT License](https://github.com/beorn7/perks/blob/master/LICENSE)
- github.com/caio/go-tdigest [MIT License](https://github.com/caio/go-tdigest/blob/master/LICENSE)
- github.com/cenkalti/backoff [MIT License](https://github.com/cenkalti/backoff/blob/master/LICENSE)
- github.com/cespare/xxhash [MIT License](https://github.com/cespare/xxhash/blob/master/LICENSE.txt)
- github.com/cisco-ie/nx-telemetry-proto [Apache License 2.0](https://github.com/cisco-ie/nx-telemetry-proto/blob/master/LICENSE)
- github.com/couchbase/go-couchbase [MIT License](https://github.com/couchbase/go-couchbase/blob/master/LICENSE)
- github.com/couchbase/gomemcached [MIT License](https://github.com/couchbase/gomemcached/blob/master/LICENSE)
- github.com/couchbase/goutils [COUCHBASE INC. COMMUNITY EDITION LICENSE](https://github.com/couchbase/goutils/blob/master/LICENSE.md)
- github.com/davecgh/go-spew [ISC License](https://github.com/davecgh/go-spew/blob/master/LICENSE)
- github.com/denisenkom/go-mssqldb [BSD 3-Clause "New" or "Revised" License](https://github.com/denisenkom/go-mssqldb/blob/master/LICENSE.txt)
- github.com/devigned/tab [MIT License](https://github.com/devigned/tab/blob/master/LICENSE)
- github.com/dgrijalva/jwt-go [MIT License](https://github.com/dgrijalva/jwt-go/blob/master/LICENSE)
- github.com/dimchansky/utfbom [Apache License 2.0](https://github.com/dimchansky/utfbom/blob/master/LICENSE)
- github.com/docker/distribution [Apache License 2.0](https://github.com/docker/distribution/blob/master/LICENSE)
- github.com/docker/docker [Apache License 2.0](https://github.com/docker/docker/blob/master/LICENSE)
- github.com/docker/go-connections [Apache License 2.0](https://github.com/docker/go-connections/blob/master/LICENSE)
- github.com/docker/go-units [Apache License 2.0](https://github.com/docker/go-units/blob/master/LICENSE)
- github.com/docker/libnetwork [Apache License 2.0](https://github.com/docker/libnetwork/blob/master/LICENSE)
- github.com/eapache/go-resiliency [MIT License](https://github.com/eapache/go-resiliency/blob/master/LICENSE)
- github.com/eapache/go-xerial-snappy [MIT License](https://github.com/eapache/go-xerial-snappy/blob/master/LICENSE)
- github.com/eapache/queue [MIT License](https://github.com/eapache/queue/blob/master/LICENSE)
- github.com/eclipse/paho.mqtt.golang [Eclipse Public License - v 1.0](https://github.com/eclipse/paho.mqtt.golang/blob/master/LICENSE)
- github.com/ericchiang/k8s [Apache License 2.0](https://github.com/ericchiang/k8s/blob/master/LICENSE)
- github.com/ghodss/yaml [MIT License](https://github.com/ghodss/yaml/blob/master/LICENSE)
- github.com/glinton/ping [MIT License](https://github.com/glinton/ping/blob/master/LICENSE)
- github.com/go-logfmt/logfmt [MIT License](https://github.com/go-logfmt/logfmt/blob/master/LICENSE)
- github.com/go-ole/go-ole [MIT License](https://github.com/go-ole/go-ole/blob/master/LICENSE)
- github.com/go-redis/redis [BSD 2-Clause "Simplified" License](https://github.com/go-redis/redis/blob/master/LICENSE)
- github.com/go-sql-driver/mysql [Mozilla Public License 2.0](https://github.com/go-sql-driver/mysql/blob/master/LICENSE)
- github.com/goburrow/modbus [BSD 3-Clause "New" or "Revised" License](https://github.com/goburrow/modbus/blob/master/LICENSE)
- github.com/goburrow/serial [MIT License](https://github.com/goburrow/serial/LICENSE)
- github.com/gobwas/glob [MIT License](https://github.com/gobwas/glob/blob/master/LICENSE)
- github.com/gofrs/uuid [MIT License](https://github.com/gofrs/uuid/blob/master/LICENSE)
- github.com/gogo/protobuf [BSD 3-Clause Clear License](https://github.com/gogo/protobuf/blob/master/LICENSE)
- github.com/golang/geo [Apache License 2.0](https://github.com/golang/geo/blob/master/LICENSE)
- github.com/golang/groupcache [Apache License 2.0](https://github.com/golang/groupcache/blob/master/LICENSE)
- github.com/golang/mock [Apache License 2.0](https://github.com/golang/mock/blob/master/LICENSE)
- github.com/golang/protobuf [BSD 3-Clause "New" or "Revised" License](https://github.com/golang/protobuf/blob/master/LICENSE)
- github.com/golang/snappy [BSD 3-Clause "New" or "Revised" License](https://github.com/golang/snappy/blob/master/LICENSE)
- github.com/google/go-cmp [BSD 3-Clause "New" or "Revised" License](https://github.com/google/go-cmp/blob/master/LICENSE)
- github.com/google/go-github [BSD 3-Clause "New" or "Revised" License](https://github.com/google/go-github/blob/master/LICENSE)
- github.com/google/go-querystring [BSD 3-Clause "New" or "Revised" License](https://github.com/google/go-querystring/blob/master/LICENSE)
- github.com/googleapis/gax-go [BSD 3-Clause "New" or "Revised" License](https://github.com/googleapis/gax-go/blob/master/LICENSE)
- github.com/gorilla/mux [BSD 3-Clause "New" or "Revised" License](https://github.com/gorilla/mux/blob/master/LICENSE)
- github.com/hailocab/go-hostpool [MIT License](https://github.com/hailocab/go-hostpool/blob/master/LICENSE)
- github.com/harlow/kinesis-consumer [MIT License](https://github.com/harlow/kinesis-consumer/blob/master/MIT-LICENSE)
- github.com/hashicorp/consul [Mozilla Public License 2.0](https://github.com/hashicorp/consul/blob/master/LICENSE)
- github.com/hashicorp/go-cleanhttp [Mozilla Public License 2.0](https://github.com/hashicorp/go-cleanhttp/blob/master/LICENSE)
- github.com/hashicorp/go-rootcerts [Mozilla Public License 2.0](https://github.com/hashicorp/go-rootcerts/blob/master/LICENSE)
- github.com/hashicorp/go-uuid [Mozilla Public License 2.0](https://github.com/hashicorp/go-uuid/LICENSE)
- github.com/hashicorp/serf [Mozilla Public License 2.0](https://github.com/hashicorp/serf/blob/master/LICENSE)
- github.com/influxdata/go-syslog [MIT License](https://github.com/influxdata/go-syslog/blob/develop/LICENSE)
- github.com/influxdata/tail [MIT License](https://github.com/influxdata/tail/blob/master/LICENSE.txt)
- github.com/influxdata/toml [MIT License](https://github.com/influxdata/toml/blob/master/LICENSE)
- github.com/influxdata/wlog [MIT License](https://github.com/influxdata/wlog/blob/master/LICENSE)
- github.com/jackc/pgx [MIT License](https://github.com/jackc/pgx/blob/master/LICENSE)
- github.com/jcmturner/gofork [BSD 3-Clause "New" or "Revised" License](https://github.com/jcmturner/gofork/blob/master/LICENSE)
- github.com/jmespath/go-jmespath [Apache License 2.0](https://github.com/jmespath/go-jmespath/blob/master/LICENSE)
- github.com/jpillora/backoff [MIT License](https://github.com/jpillora/backoff/blob/master/LICENSE)
- github.com/kardianos/service [zlib License](https://github.com/kardianos/service/blob/master/LICENSE)
- github.com/karrick/godirwalk [BSD 2-Clause "Simplified" License](https://github.com/karrick/godirwalk/blob/master/LICENSE)
- github.com/kballard/go-shellquote [MIT License](https://github.com/kballard/go-shellquote/blob/master/LICENSE)
- github.com/klauspost/compress [BSD 3-Clause Clear License](https://github.com/klauspost/compress/blob/master/LICENSE)
- github.com/konsorten/go-windows-terminal-sequences [MIT License](https://github.com/konsorten/go-windows-terminal-sequences/blob/master/LICENSE)
- github.com/kubernetes/apimachinery [Apache License 2.0](https://github.com/kubernetes/apimachinery/blob/master/LICENSE)
- github.com/leodido/ragel-machinery [MIT License](https://github.com/leodido/ragel-machinery/blob/develop/LICENSE)
- github.com/mailru/easyjson [MIT License](https://github.com/mailru/easyjson/blob/master/LICENSE)
- github.com/matttproud/golang_protobuf_extensions [Apache License 2.0](https://github.com/matttproud/golang_protobuf_extensions/blob/master/LICENSE)
- github.com/mdlayher/apcupsd [MIT License](https://github.com/mdlayher/apcupsd/blob/master/LICENSE.md)
- github.com/mdlayher/genetlink [MIT License](https://github.com/mdlayher/genetlink/blob/master/LICENSE.md)
- github.com/mdlayher/netlink [MIT License](https://github.com/mdlayher/netlink/blob/master/LICENSE.md)
- github.com/miekg/dns [BSD 3-Clause Clear License](https://github.com/miekg/dns/blob/master/LICENSE)
- github.com/mitchellh/go-homedir [MIT License](https://github.com/mitchellh/go-homedir/blob/master/LICENSE)
- github.com/mitchellh/mapstructure [MIT License](https://github.com/mitchellh/mapstructure/blob/master/LICENSE)
- github.com/multiplay/go-ts3 [BSD 2-Clause "Simplified" License](https://github.com/multiplay/go-ts3/blob/master/LICENSE)
- github.com/naoina/go-stringutil [MIT License](https://github.com/naoina/go-stringutil/blob/master/LICENSE)
- github.com/nats-io/jwt [Apache License 2.0](https://github.com/nats-io/jwt/blob/master/LICENSE)
- github.com/nats-io/nats-server [Apache License 2.0](https://github.com/nats-io/nats-server/blob/master/LICENSE)
- github.com/nats-io/nats.go [Apache License 2.0](https://github.com/nats-io/nats.go/blob/master/LICENSE)
- github.com/nats-io/nkeys [Apache License 2.0](https://github.com/nats-io/nkeys/blob/master/LICENSE)
- github.com/nats-io/nuid [Apache License 2.0](https://github.com/nats-io/nuid/blob/master/LICENSE)
- github.com/newrelic/newrelic-telemetry-sdk-go [Apache License 2.0](https://github.com/newrelic/newrelic-telemetry-sdk-go/blob/master/LICENSE.md)
- github.com/nsqio/go-nsq [MIT License](https://github.com/nsqio/go-nsq/blob/master/LICENSE)
- github.com/openconfig/gnmi [Apache License 2.0](https://github.com/openconfig/gnmi/blob/master/LICENSE)
- github.com/opencontainers/go-digest [Apache License 2.0](https://github.com/opencontainers/go-digest/blob/master/LICENSE)
- github.com/opencontainers/image-spec [Apache License 2.0](https://github.com/opencontainers/image-spec/blob/master/LICENSE)
- github.com/openzipkin/zipkin-go-opentracing [MIT License](https://github.com/openzipkin/zipkin-go-opentracing/blob/master/LICENSE)
- github.com/pierrec/lz4 [BSD 3-Clause "New" or "Revised" License](https://github.com/pierrec/lz4/blob/master/LICENSE)
- github.com/pkg/errors [BSD 2-Clause "Simplified" License](https://github.com/pkg/errors/blob/master/LICENSE)
- github.com/pmezard/go-difflib [BSD 3-Clause Clear License](https://github.com/pmezard/go-difflib/blob/master/LICENSE)
- github.com/prometheus/client_golang [Apache License 2.0](https://github.com/prometheus/client_golang/blob/master/LICENSE)
- github.com/prometheus/client_model [Apache License 2.0](https://github.com/prometheus/client_model/blob/master/LICENSE)
- github.com/prometheus/common [Apache License 2.0](https://github.com/prometheus/common/blob/master/LICENSE)
- github.com/prometheus/procfs [Apache License 2.0](https://github.com/prometheus/procfs/blob/master/LICENSE)
- github.com/rcrowley/go-metrics [MIT License](https://github.com/rcrowley/go-metrics/blob/master/LICENSE)
- github.com/safchain/ethtool [Apache License 2.0](https://github.com/safchain/ethtool/blob/master/LICENSE)
- github.com/samuel/go-zookeeper [BSD 3-Clause Clear License](https://github.com/samuel/go-zookeeper/blob/master/LICENSE)
- github.com/shirou/gopsutil [BSD 3-Clause Clear License](https://github.com/shirou/gopsutil/blob/master/LICENSE)
- github.com/sirupsen/logrus [MIT License](https://github.com/sirupsen/logrus/blob/master/LICENSE)
- github.com/soniah/gosnmp [BSD 2-Clause "Simplified" License](https://github.com/soniah/gosnmp/blob/master/LICENSE)
- github.com/streadway/amqp [BSD 2-Clause "Simplified" License](https://github.com/streadway/amqp/blob/master/LICENSE)
- github.com/stretchr/objx [MIT License](https://github.com/stretchr/objx/blob/master/LICENSE)
- github.com/stretchr/testify [custom -- permissive](https://github.com/stretchr/testify/blob/master/LICENSE)
- github.com/tidwall/gjson [MIT License](https://github.com/tidwall/gjson/blob/master/LICENSE)
- github.com/tidwall/match [MIT License](https://github.com/tidwall/match/blob/master/LICENSE)
- github.com/tidwall/pretty [MIT License](https://github.com/tidwall/pretty/blob/master/LICENSE)
- github.com/vishvananda/netlink [Apache License 2.0](https://github.com/vishvananda/netlink/blob/master/LICENSE)
- github.com/vishvananda/netns [Apache License 2.0](https://github.com/vishvananda/netns/blob/master/LICENSE)
- github.com/vjeantet/grok [Apache License 2.0](https://github.com/vjeantet/grok/blob/master/LICENSE)
- github.com/vmware/govmomi [Apache License 2.0](https://github.com/vmware/govmomi/blob/master/LICENSE.txt)
- github.com/wavefronthq/wavefront-sdk-go [Apache License 2.0](https://github.com/wavefrontHQ/wavefront-sdk-go/blob/master/LICENSE)
- github.com/wvanbergen/kafka [MIT License](https://github.com/wvanbergen/kafka/blob/master/LICENSE)
- github.com/wvanbergen/kazoo-go [MIT License](https://github.com/wvanbergen/kazoo-go/blob/master/MIT-LICENSE)
- github.com/yuin/gopher-lua [MIT License](https://github.com/yuin/gopher-lua/blob/master/LICENSE)
- go.opencensus.io [Apache License 2.0](https://github.com/census-instrumentation/opencensus-go/blob/master/LICENSE)
- golang.org/x/crypto [BSD 3-Clause Clear License](https://github.com/golang/crypto/blob/master/LICENSE)
- golang.org/x/net [BSD 3-Clause Clear License](https://github.com/golang/net/blob/master/LICENSE)
- golang.org/x/oauth2 [BSD 3-Clause "New" or "Revised" License](https://github.com/golang/oauth2/blob/master/LICENSE)
- golang.org/x/sync [BSD 3-Clause "New" or "Revised" License](https://github.com/golang/sync/blob/master/LICENSE)
- golang.org/x/sys [BSD 3-Clause Clear License](https://github.com/golang/sys/blob/master/LICENSE)
- golang.org/x/text [BSD 3-Clause Clear License](https://github.com/golang/text/blob/master/LICENSE)
- golang.org/x/time [BSD 3-Clause Clear License](https://github.com/golang/time/blob/master/LICENSE)
- golang.zx2c4.com/wireguard [MIT License](https://github.com/WireGuard/wgctrl-go/blob/master/LICENSE.md)
- golang.zx2c4.com/wireguard/wgctrl [MIT License](https://github.com/WireGuard/wgctrl-go/blob/master/LICENSE.md)
- google.golang.org/api [BSD 3-Clause "New" or "Revised" License](https://github.com/googleapis/google-api-go-client/blob/master/LICENSE)
- google.golang.org/genproto [Apache License 2.0](https://github.com/google/go-genproto/blob/master/LICENSE)
- google.golang.org/grpc [Apache License 2.0](https://github.com/grpc/grpc-go/blob/master/LICENSE)
- gopkg.in/asn1-ber.v1 [MIT License](https://github.com/go-asn1-ber/asn1-ber/blob/v1.3/LICENSE)
- gopkg.in/fatih/pool.v2 [MIT License](https://github.com/fatih/pool/blob/v2.0.0/LICENSE)
- gopkg.in/fsnotify.v1 [BSD 3-Clause "New" or "Revised" License](https://github.com/fsnotify/fsnotify/blob/v1.4.7/LICENSE)
- gopkg.in/gorethink/gorethink.v3 [Apache License 2.0](https://github.com/rethinkdb/rethinkdb-go/blob/v3.0.5/LICENSE)
- gopkg.in/inf.v0 [BSD 3-Clause "New" or "Revised" License](https://github.com/go-inf/inf/blob/v0.9.1/LICENSE)
- gopkg.in/jcmturner/aescts.v1 [Apache License 2.0](https://github.com/jcmturner/aescts/blob/v1.0.1/LICENSE)
- gopkg.in/jcmturner/dnsutils.v1 [Apache License 2.0](https://github.com/jcmturner/dnsutils/blob/v1.0.1/LICENSE)
- gopkg.in/jcmturner/gokrb5.v7 [Apache License 2.0](https://github.com/jcmturner/gokrb5/tree/v7.5.0/LICENSE)
- gopkg.in/jcmturner/rpc.v1 [Apache License 2.0](https://github.com/jcmturner/rpc/blob/v1.1.0/LICENSE)
- gopkg.in/ldap.v3 [MIT License](https://github.com/go-ldap/ldap/blob/v3.1.7/LICENSE)
- gopkg.in/mgo.v2 [BSD 2-Clause "Simplified" License](https://github.com/go-mgo/mgo/blob/v2/LICENSE)
- gopkg.in/olivere/elastic.v5 [MIT License](https://github.com/olivere/elastic/blob/v5.0.76/LICENSE)
- gopkg.in/tomb.v1 [BSD 3-Clause Clear License](https://github.com/go-tomb/tomb/blob/v1/LICENSE)
- gopkg.in/yaml.v2 [Apache License 2.0](https://github.com/go-yaml/yaml/blob/v2.2.2/LICENSE)
## telegraf used and modified code from these projects
- github.com/DataDog/datadog-agent [Apache License 2.0](https://github.com/DataDog/datadog-agent/LICENSE)

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@ -1,22 +0,0 @@
# Metrics
Telegraf metrics are the internal representation used to model data during
processing. Metrics are closely based on InfluxDB's data model and contain
four main components:
- **Measurement Name**: Description and namespace for the metric.
- **Tags**: Key/Value string pairs and usually used to identify the
metric.
- **Fields**: Key/Value pairs that are typed and usually contain the
metric data.
- **Timestamp**: Date and time associated with the fields.
This metric type exists only in memory and must be converted to a concrete
representation in order to be transmitted or viewed. To achieve this we
provide several [output data formats][] sometimes referred to as
*serializers*. Our default serializer converts to [InfluxDB Line
Protocol][line protocol] which provides a high performance and one-to-one
direct mapping from Telegraf metrics.
[output data formats]: /docs/DATA_FORMATS_OUTPUT.md
[line protocol]: /plugins/serializers/influx

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@ -1,114 +0,0 @@
### Output Plugins
This section is for developers who want to create a new output sink. Outputs
are created in a similar manner as collection plugins, and their interface has
similar constructs.
### Output Plugin Guidelines
- An output must conform to the [telegraf.Output][] interface.
- Outputs should call `outputs.Add` in their `init` function to register
themselves. See below for a quick example.
- To be available within Telegraf itself, plugins must add themselves to the
`github.com/influxdata/telegraf/plugins/outputs/all/all.go` file.
- The `SampleConfig` function should return valid toml that describes how the
plugin can be configured. This is included in `telegraf config`. Please
consult the [SampleConfig][] page for the latest style guidelines.
- The `Description` function should say in one line what this output does.
- Follow the recommended [CodeStyle][].
### Output Plugin Example
```go
package simpleoutput
// simpleoutput.go
import (
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/plugins/outputs"
)
type Simple struct {
Ok bool `toml:"ok"`
}
func (s *Simple) Description() string {
return "a demo output"
}
func (s *Simple) SampleConfig() string {
return `
ok = true
`
}
func (s *Simple) Init() error {
return nil
}
func (s *Simple) Connect() error {
// Make a connection to the URL here
return nil
}
func (s *Simple) Close() error {
// Close connection to the URL here
return nil
}
func (s *Simple) Write(metrics []telegraf.Metric) error {
for _, metric := range metrics {
// write `metric` to the output sink here
}
return nil
}
func init() {
outputs.Add("simpleoutput", func() telegraf.Output { return &Simple{} })
}
```
## Data Formats
Some output plugins, such as the [file][] plugin, can write in any supported
[output data formats][].
In order to enable this, you must specify a
`SetSerializer(serializer serializers.Serializer)`
function on the plugin object (see the file plugin for an example), as well as
defining `serializer` as a field of the object.
You can then utilize the serializer internally in your plugin, serializing data
before it's written. Telegraf's configuration layer will take care of
instantiating and creating the `Serializer` object.
You should also add the following to your `SampleConfig()`:
```toml
## Data format to output.
## Each data format has its own unique set of configuration options, read
## more about them here:
## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_OUTPUT.md
data_format = "influx"
```
## Flushing Metrics to Outputs
Metrics are flushed to outputs when any of the following events happen:
- `flush_interval + rand(flush_jitter)` has elapsed since start or the last flush interval
- At least `metric_batch_size` count of metrics are waiting in the buffer
- The telegraf process has received a SIGUSR1 signal
Note that if the flush takes longer than the `agent.interval` to write the metrics
to the output, you'll see a message saying the output `did not complete within its
flush interval`. This may mean your output is not keeping up with the flow of metrics,
and you may want to look into enabling compression, reducing the size of your metrics,
or investigate other reasons why the writes might be taking longer than expected.
[file]: https://github.com/influxdata/telegraf/tree/master/plugins/inputs/file
[output data formats]: https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_OUTPUT.md
[SampleConfig]: https://github.com/influxdata/telegraf/wiki/SampleConfig
[CodeStyle]: https://github.com/influxdata/telegraf/wiki/CodeStyle
[telegraf.Output]: https://godoc.org/github.com/influxdata/telegraf#Output

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@ -1,69 +0,0 @@
### Processor Plugins
This section is for developers who want to create a new processor plugin.
### Processor Plugin Guidelines
* A processor must conform to the [telegraf.Processor][] interface.
* Processors should call `processors.Add` in their `init` function to register
themselves. See below for a quick example.
* To be available within Telegraf itself, plugins must add themselves to the
`github.com/influxdata/telegraf/plugins/processors/all/all.go` file.
* The `SampleConfig` function should return valid toml that describes how the
processor can be configured. This is include in the output of `telegraf
config`.
- The `SampleConfig` function should return valid toml that describes how the
plugin can be configured. This is included in `telegraf config`. Please
consult the [SampleConfig][] page for the latest style guidelines.
* The `Description` function should say in one line what this processor does.
- Follow the recommended [CodeStyle][].
### Processor Plugin Example
```go
package printer
// printer.go
import (
"fmt"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/plugins/processors"
)
type Printer struct {
}
var sampleConfig = `
`
func (p *Printer) SampleConfig() string {
return sampleConfig
}
func (p *Printer) Description() string {
return "Print all metrics that pass through this filter."
}
func (p *Printer) Init() error {
return nil
}
func (p *Printer) Apply(in ...telegraf.Metric) []telegraf.Metric {
for _, metric := range in {
fmt.Println(metric.String())
}
return in
}
func init() {
processors.Add("printer", func() telegraf.Processor {
return &Printer{}
})
}
```
[SampleConfig]: https://github.com/influxdata/telegraf/wiki/SampleConfig
[CodeStyle]: https://github.com/influxdata/telegraf/wiki/CodeStyle
[telegraf.Processor]: https://godoc.org/github.com/influxdata/telegraf#Processor

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@ -1,24 +0,0 @@
# Telegraf profiling
Telegraf uses the standard package `net/http/pprof`. This package serves via its HTTP server runtime profiling data in the format expected by the pprof visualization tool.
By default, the profiling is turned off.
To enable profiling you need to specify address to config parameter `pprof-addr`, for example:
```
telegraf --config telegraf.conf --pprof-addr localhost:6060
```
There are several paths to get different profiling information:
To look at the heap profile:
`go tool pprof http://localhost:6060/debug/pprof/heap`
or to look at a 30-second CPU profile:
`go tool pprof http://localhost:6060/debug/pprof/profile?seconds=30`
To view all available profiles, open `http://localhost:6060/debug/pprof/` in your browser.

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@ -1,21 +0,0 @@
# Telegraf
- Concepts
- [Metrics][metrics]
- [Input Data Formats][parsers]
- [Output Data Formats][serializers]
- [Aggregators & Processors][aggproc]
- Administration
- [Configuration][conf]
- [Profiling][profiling]
- [Windows Service][winsvc]
- [FAQ][faq]
[conf]: /docs/CONFIGURATION.md
[metrics]: /docs/METRICS.md
[parsers]: /docs/DATA_FORMATS_INPUT.md
[serializers]: /docs/DATA_FORMATS_OUTPUT.md
[aggproc]: /docs/AGGREGATORS_AND_PROCESSORS.md
[profiling]: /docs/PROFILING.md
[winsvc]: /docs/WINDOWS_SERVICE.md
[faq]: /docs/FAQ.md

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@ -1,135 +0,0 @@
# Template Patterns
Template patterns are a mini language that describes how a dot delimited
string should be mapped to and from [metrics][].
A template has the form:
```
"host.mytag.mytag.measurement.measurement.field*"
```
Where the following keywords can be set:
1. `measurement`: specifies that this section of the graphite bucket corresponds
to the measurement name. This can be specified multiple times.
2. `field`: specifies that this section of the graphite bucket corresponds
to the field name. This can be specified multiple times.
3. `measurement*`: specifies that all remaining elements of the graphite bucket
correspond to the measurement name.
4. `field*`: specifies that all remaining elements of the graphite bucket
correspond to the field name.
Any part of the template that is not a keyword is treated as a tag key. This
can also be specified multiple times.
**NOTE:** `field*` cannot be used in conjunction with `measurement*`.
### Examples
#### Measurement & Tag Templates
The most basic template is to specify a single transformation to apply to all
incoming metrics. So the following template:
```toml
templates = [
"region.region.measurement*"
]
```
would result in the following Graphite -> Telegraf transformation.
```
us.west.cpu.load 100
=> cpu.load,region=us.west value=100
```
Multiple templates can also be specified, but these should be differentiated
using _filters_ (see below for more details)
```toml
templates = [
"*.*.* region.region.measurement", # <- all 3-part measurements will match this one.
"*.*.*.* region.region.host.measurement", # <- all 4-part measurements will match this one.
]
```
#### Field Templates
The field keyword tells Telegraf to give the metric that field name.
So the following template:
```toml
separator = "_"
templates = [
"measurement.measurement.field.field.region"
]
```
would result in the following Graphite -> Telegraf transformation.
```
cpu.usage.idle.percent.eu-east 100
=> cpu_usage,region=eu-east idle_percent=100
```
The field key can also be derived from all remaining elements of the graphite
bucket by specifying `field*`:
```toml
separator = "_"
templates = [
"measurement.measurement.region.field*"
]
```
which would result in the following Graphite -> Telegraf transformation.
```
cpu.usage.eu-east.idle.percentage 100
=> cpu_usage,region=eu-east idle_percentage=100
```
#### Filter Templates
Users can also filter the template(s) to use based on the name of the bucket,
using glob matching, like so:
```toml
templates = [
"cpu.* measurement.measurement.region",
"mem.* measurement.measurement.host"
]
```
which would result in the following transformation:
```
cpu.load.eu-east 100
=> cpu_load,region=eu-east value=100
mem.cached.localhost 256
=> mem_cached,host=localhost value=256
```
#### Adding Tags
Additional tags can be added to a metric that don't exist on the received metric.
You can add additional tags by specifying them after the pattern.
Tags have the same format as the line protocol.
Multiple tags are separated by commas.
```toml
templates = [
"measurement.measurement.field.region datacenter=1a"
]
```
would result in the following Graphite -> Telegraf transformation.
```
cpu.usage.idle.eu-east 100
=> cpu_usage,region=eu-east,datacenter=1a idle=100
```
[metrics]: /docs/METRICS.md

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# Transport Layer Security
There is an ongoing effort to standardize TLS options across plugins. When
possible, plugins will provide the standard settings described below. With the
exception of the advanced configuration available TLS settings will be
documented in the sample configuration.
### Client Configuration
For client TLS support we have the following options:
```toml
## Root certificates for verifying server certificates encoded in PEM format.
# tls_ca = "/etc/telegraf/ca.pem"
## The public and private keypairs for the client encoded in PEM format. May
## contain intermediate certificates.
# tls_cert = "/etc/telegraf/cert.pem"
# tls_key = "/etc/telegraf/key.pem"
## Skip TLS verification.
# insecure_skip_verify = false
```
### Server Configuration
The server TLS configuration provides support for TLS mutual authentication:
```toml
## Set one or more allowed client CA certificate file names to
## enable mutually authenticated TLS connections.
# tls_allowed_cacerts = ["/etc/telegraf/clientca.pem"]
## Add service certificate and key.
# tls_cert = "/etc/telegraf/cert.pem"
# tls_key = "/etc/telegraf/key.pem"
```
#### Advanced Configuration
For plugins using the standard server configuration you can also set several
advanced settings. These options are not included in the sample configuration
for the interest of brevity.
```toml
## Define list of allowed ciphers suites. If not defined the default ciphers
## supported by Go will be used.
## ex: tls_cipher_suites = [
## "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305",
## "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305",
## "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256",
## "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256",
## "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384",
## "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384",
## "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256",
## "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA",
## "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256",
## "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA",
## "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA",
## "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA",
## "TLS_RSA_WITH_AES_128_GCM_SHA256",
## "TLS_RSA_WITH_AES_256_GCM_SHA384",
## "TLS_RSA_WITH_AES_128_CBC_SHA256",
## "TLS_RSA_WITH_AES_128_CBC_SHA",
## "TLS_RSA_WITH_AES_256_CBC_SHA"
## ]
# tls_cipher_suites = []
## Minimum TLS version that is acceptable.
# tls_min_version = "TLS10"
## Maximum SSL/TLS version that is acceptable.
# tls_max_version = "TLS13"
```
Cipher suites for use with `tls_cipher_suites`:
- `TLS_RSA_WITH_RC4_128_SHA`
- `TLS_RSA_WITH_3DES_EDE_CBC_SHA`
- `TLS_RSA_WITH_AES_128_CBC_SHA`
- `TLS_RSA_WITH_AES_256_CBC_SHA`
- `TLS_RSA_WITH_AES_128_CBC_SHA256`
- `TLS_RSA_WITH_AES_128_GCM_SHA256`
- `TLS_RSA_WITH_AES_256_GCM_SHA384`
- `TLS_ECDHE_ECDSA_WITH_RC4_128_SHA`
- `TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA`
- `TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA`
- `TLS_ECDHE_RSA_WITH_RC4_128_SHA`
- `TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA`
- `TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA`
- `TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA`
- `TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256`
- `TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256`
- `TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256`
- `TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256`
- `TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384`
- `TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384`
- `TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305`
- `TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305`
- `TLS_AES_128_GCM_SHA256`
- `TLS_AES_256_GCM_SHA384`
- `TLS_CHACHA20_POLY1305_SHA256`
TLS versions for use with `tls_min_version` or `tls_max_version`:
- `TLS10`
- `TLS11`
- `TLS12`
- `TLS13`

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# Running Telegraf as a Windows Service
Telegraf natively supports running as a Windows Service. Outlined below is are
the general steps to set it up.
1. Obtain the telegraf windows distribution
2. Create the directory `C:\Program Files\Telegraf` (if you install in a different
location simply specify the `--config` parameter with the desired location)
3. Place the telegraf.exe and the telegraf.conf config file into `C:\Program Files\Telegraf`
4. To install the service into the Windows Service Manager, run the following in PowerShell as an administrator (If necessary, you can wrap any spaces in the file paths in double quotes ""):
```
> C:\"Program Files"\Telegraf\telegraf.exe --service install
```
5. Edit the configuration file to meet your needs
6. To check that it works, run:
```
> C:\"Program Files"\Telegraf\telegraf.exe --config C:\"Program Files"\Telegraf\telegraf.conf --test
```
7. To start collecting data, run:
```
> net start telegraf
```
## Config Directory
You can also specify a `--config-directory` for the service to use:
1. Create a directory for config snippets: `C:\Program Files\Telegraf\telegraf.d`
2. Include the `--config-directory` option when registering the service:
```
> C:\"Program Files"\Telegraf\telegraf.exe --service install --config C:\"Program Files"\Telegraf\telegraf.conf --config-directory C:\"Program Files"\Telegraf\telegraf.d
```
## Other supported operations
Telegraf can manage its own service through the --service flag:
| Command | Effect |
|------------------------------------|-------------------------------|
| `telegraf.exe --service install` | Install telegraf as a service |
| `telegraf.exe --service uninstall` | Remove the telegraf service |
| `telegraf.exe --service start` | Start the telegraf service |
| `telegraf.exe --service stop` | Stop the telegraf service |
## Install multiple services
Running multiple instances of Telegraf is seldom needed, as you can run
multiple instances of each plugin and route metric flow using the metric
filtering options. However, if you do need to run multiple telegraf instances
on a single system, you can install the service with the `--service-name` and
`--service-display-name` flags to give the services unique names:
```
> C:\"Program Files"\Telegraf\telegraf.exe --service install --service-name telegraf-1 --service-display-name "Telegraf 1"
> C:\"Program Files"\Telegraf\telegraf.exe --service install --service-name telegraf-2 --service-display-name "Telegraf 2"
```
## Troubleshooting
When Telegraf runs as a Windows service, Telegraf logs messages to Windows events log before configuration file with logging settings is loaded.
Check event log for an error reported by `telegraf` service in case of Telegraf service reports failure on its start: Event Viewer->Windows Logs->Application
**Troubleshooting common error #1067**
When installing as service in Windows, always double check to specify full path of the config file, otherwise windows service will fail to start
--config "C:\Program Files\Telegraf\telegraf.conf"

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@ -1,419 +0,0 @@
# Telegraf Configuration
#
# Telegraf is entirely plugin driven. All metrics are gathered from the
# declared inputs, and sent to the declared outputs.
#
# Plugins must be declared in here to be active.
# To deactivate a plugin, comment out the name and any variables.
#
# Use 'telegraf -config telegraf.conf -test' to see what metrics a config
# file would generate.
#
# Environment variables can be used anywhere in this config file, simply surround
# them with ${}. For strings the variable must be within quotes (ie, "${STR_VAR}"),
# for numbers and booleans they should be plain (ie, ${INT_VAR}, ${BOOL_VAR})
# Global tags can be specified here in key="value" format.
[global_tags]
# dc = "us-east-1" # will tag all metrics with dc=us-east-1
# rack = "1a"
## Environment variables can be used as tags, and throughout the config file
# user = "$USER"
# Configuration for telegraf agent
[agent]
## Default data collection interval for all inputs
interval = "10s"
## Rounds collection interval to 'interval'
## ie, if interval="10s" then always collect on :00, :10, :20, etc.
round_interval = true
## Telegraf will send metrics to outputs in batches of at most
## metric_batch_size metrics.
## This controls the size of writes that Telegraf sends to output plugins.
metric_batch_size = 1000
## Maximum number of unwritten metrics per output. Increasing this value
## allows for longer periods of output downtime without dropping metrics at the
## cost of higher maximum memory usage.
metric_buffer_limit = 10000
## Collection jitter is used to jitter the collection by a random amount.
## Each plugin will sleep for a random time within jitter before collecting.
## This can be used to avoid many plugins querying things like sysfs at the
## same time, which can have a measurable effect on the system.
collection_jitter = "0s"
## Default flushing interval for all outputs. Maximum flush_interval will be
## flush_interval + flush_jitter
flush_interval = "10s"
## Jitter the flush interval by a random amount. This is primarily to avoid
## large write spikes for users running a large number of telegraf instances.
## ie, a jitter of 5s and interval 10s means flushes will happen every 10-15s
flush_jitter = "0s"
## By default or when set to "0s", precision will be set to the same
## timestamp order as the collection interval, with the maximum being 1s.
## ie, when interval = "10s", precision will be "1s"
## when interval = "250ms", precision will be "1ms"
## Precision will NOT be used for service inputs. It is up to each individual
## service input to set the timestamp at the appropriate precision.
## Valid time units are "ns", "us" (or "µs"), "ms", "s".
precision = ""
## Log at debug level.
# debug = false
## Log only error level messages.
# quiet = false
## Log target controls the destination for logs and can be one of "file",
## "stderr" or, on Windows, "eventlog". When set to "file", the output file
## is determined by the "logfile" setting.
# logtarget = "file"
## Name of the file to be logged to when using the "file" logtarget. If set to
## the empty string then logs are written to stderr.
# logfile = ""
## The logfile will be rotated after the time interval specified. When set
## to 0 no time based rotation is performed. Logs are rotated only when
## written to, if there is no log activity rotation may be delayed.
# logfile_rotation_interval = "0d"
## The logfile will be rotated when it becomes larger than the specified
## size. When set to 0 no size based rotation is performed.
# logfile_rotation_max_size = "0MB"
## Maximum number of rotated archives to keep, any older logs are deleted.
## If set to -1, no archives are removed.
# logfile_rotation_max_archives = 5
## Override default hostname, if empty use os.Hostname()
hostname = ""
## If set to true, do no set the "host" tag in the telegraf agent.
omit_hostname = false
###############################################################################
# OUTPUT PLUGINS #
###############################################################################
# Configuration for sending metrics to InfluxDB
[[outputs.influxdb]]
## The full HTTP or UDP URL for your InfluxDB instance.
##
## Multiple URLs can be specified for a single cluster, only ONE of the
## urls will be written to each interval.
# urls = ["unix:///var/run/influxdb.sock"]
# urls = ["udp://127.0.0.1:8089"]
# urls = ["http://127.0.0.1:8086"]
## The target database for metrics; will be created as needed.
## For UDP url endpoint database needs to be configured on server side.
# database = "telegraf"
## The value of this tag will be used to determine the database. If this
## tag is not set the 'database' option is used as the default.
# database_tag = ""
## If true, the 'database_tag' will not be included in the written metric.
# exclude_database_tag = false
## If true, no CREATE DATABASE queries will be sent. Set to true when using
## Telegraf with a user without permissions to create databases or when the
## database already exists.
# skip_database_creation = false
## Name of existing retention policy to write to. Empty string writes to
## the default retention policy. Only takes effect when using HTTP.
# retention_policy = ""
## The value of this tag will be used to determine the retention policy. If this
## tag is not set the 'retention_policy' option is used as the default.
# retention_policy_tag = ""
## If true, the 'retention_policy_tag' will not be included in the written metric.
# exclude_retention_policy_tag = false
## Write consistency (clusters only), can be: "any", "one", "quorum", "all".
## Only takes effect when using HTTP.
# write_consistency = "any"
## Timeout for HTTP messages.
# timeout = "5s"
## HTTP Basic Auth
# username = "telegraf"
# password = "metricsmetricsmetricsmetrics"
## HTTP User-Agent
# user_agent = "telegraf"
## UDP payload size is the maximum packet size to send.
# udp_payload = "512B"
## Optional TLS Config for use on HTTP connections.
# tls_ca = "/etc/telegraf/ca.pem"
# tls_cert = "/etc/telegraf/cert.pem"
# tls_key = "/etc/telegraf/key.pem"
## Use TLS but skip chain & host verification
# insecure_skip_verify = false
## HTTP Proxy override, if unset values the standard proxy environment
## variables are consulted to determine which proxy, if any, should be used.
# http_proxy = "http://corporate.proxy:3128"
## Additional HTTP headers
# http_headers = {"X-Special-Header" = "Special-Value"}
## HTTP Content-Encoding for write request body, can be set to "gzip" to
## compress body or "identity" to apply no encoding.
# content_encoding = "identity"
## When true, Telegraf will output unsigned integers as unsigned values,
## i.e.: "42u". You will need a version of InfluxDB supporting unsigned
## integer values. Enabling this option will result in field type errors if
## existing data has been written.
# influx_uint_support = false
# # Configuration for sending metrics to InfluxDB
# [[outputs.influxdb_v2]]
# ## The URLs of the InfluxDB cluster nodes.
# ##
# ## Multiple URLs can be specified for a single cluster, only ONE of the
# ## urls will be written to each interval.
# ## ex: urls = ["https://us-west-2-1.aws.cloud2.influxdata.com"]
# urls = ["http://127.0.0.1:9999"]
#
# ## Token for authentication.
# token = ""
#
# ## Organization is the name of the organization you wish to write to; must exist.
# organization = ""
#
# ## Destination bucket to write into.
# bucket = ""
#
# ## The value of this tag will be used to determine the bucket. If this
# ## tag is not set the 'bucket' option is used as the default.
# # bucket_tag = ""
#
# ## If true, the bucket tag will not be added to the metric.
# # exclude_bucket_tag = false
#
# ## Timeout for HTTP messages.
# # timeout = "5s"
#
# ## Additional HTTP headers
# # http_headers = {"X-Special-Header" = "Special-Value"}
#
# ## HTTP Proxy override, if unset values the standard proxy environment
# ## variables are consulted to determine which proxy, if any, should be used.
# # http_proxy = "http://corporate.proxy:3128"
#
# ## HTTP User-Agent
# # user_agent = "telegraf"
#
# ## Content-Encoding for write request body, can be set to "gzip" to
# ## compress body or "identity" to apply no encoding.
# # content_encoding = "gzip"
#
# ## Enable or disable uint support for writing uints influxdb 2.0.
# # influx_uint_support = false
#
# ## Optional TLS Config for use on HTTP connections.
# # tls_ca = "/etc/telegraf/ca.pem"
# # tls_cert = "/etc/telegraf/cert.pem"
# # tls_key = "/etc/telegraf/key.pem"
# ## Use TLS but skip chain & host verification
# # insecure_skip_verify = false
###############################################################################
# INPUT PLUGINS #
###############################################################################
# Windows Performance Counters plugin.
# These are the recommended method of monitoring system metrics on windows,
# as the regular system plugins (inputs.cpu, inputs.mem, etc.) rely on WMI,
# which utilize more system resources.
#
# See more configuration examples at:
# https://github.com/influxdata/telegraf/tree/master/plugins/inputs/win_perf_counters
[[inputs.win_perf_counters]]
[[inputs.win_perf_counters.object]]
# Processor usage, alternative to native, reports on a per core.
ObjectName = "Processor"
Instances = ["*"]
Counters = [
"% Idle Time",
"% Interrupt Time",
"% Privileged Time",
"% User Time",
"% Processor Time",
"% DPC Time",
]
Measurement = "win_cpu"
# Set to true to include _Total instance when querying for all (*).
IncludeTotal=true
[[inputs.win_perf_counters.object]]
# Disk times and queues
ObjectName = "LogicalDisk"
Instances = ["*"]
Counters = [
"% Idle Time",
"% Disk Time",
"% Disk Read Time",
"% Disk Write Time",
"% Free Space",
"Current Disk Queue Length",
"Free Megabytes",
]
Measurement = "win_disk"
# Set to true to include _Total instance when querying for all (*).
#IncludeTotal=false
[[inputs.win_perf_counters.object]]
ObjectName = "PhysicalDisk"
Instances = ["*"]
Counters = [
"Disk Read Bytes/sec",
"Disk Write Bytes/sec",
"Current Disk Queue Length",
"Disk Reads/sec",
"Disk Writes/sec",
"% Disk Time",
"% Disk Read Time",
"% Disk Write Time",
]
Measurement = "win_diskio"
[[inputs.win_perf_counters.object]]
ObjectName = "Network Interface"
Instances = ["*"]
Counters = [
"Bytes Received/sec",
"Bytes Sent/sec",
"Packets Received/sec",
"Packets Sent/sec",
"Packets Received Discarded",
"Packets Outbound Discarded",
"Packets Received Errors",
"Packets Outbound Errors",
]
Measurement = "win_net"
[[inputs.win_perf_counters.object]]
ObjectName = "System"
Counters = [
"Context Switches/sec",
"System Calls/sec",
"Processor Queue Length",
"System Up Time",
]
Instances = ["------"]
Measurement = "win_system"
# Set to true to include _Total instance when querying for all (*).
#IncludeTotal=false
[[inputs.win_perf_counters.object]]
# Example query where the Instance portion must be removed to get data back,
# such as from the Memory object.
ObjectName = "Memory"
Counters = [
"Available Bytes",
"Cache Faults/sec",
"Demand Zero Faults/sec",
"Page Faults/sec",
"Pages/sec",
"Transition Faults/sec",
"Pool Nonpaged Bytes",
"Pool Paged Bytes",
"Standby Cache Reserve Bytes",
"Standby Cache Normal Priority Bytes",
"Standby Cache Core Bytes",
]
# Use 6 x - to remove the Instance bit from the query.
Instances = ["------"]
Measurement = "win_mem"
# Set to true to include _Total instance when querying for all (*).
#IncludeTotal=false
[[inputs.win_perf_counters.object]]
# Example query where the Instance portion must be removed to get data back,
# such as from the Paging File object.
ObjectName = "Paging File"
Counters = [
"% Usage",
]
Instances = ["_Total"]
Measurement = "win_swap"
# Windows system plugins using WMI (disabled by default, using
# win_perf_counters over WMI is recommended)
# # Read metrics about cpu usage
# [[inputs.cpu]]
# ## Whether to report per-cpu stats or not
# percpu = true
# ## Whether to report total system cpu stats or not
# totalcpu = true
# ## If true, collect raw CPU time metrics.
# collect_cpu_time = false
# ## If true, compute and report the sum of all non-idle CPU states.
# report_active = false
# # Read metrics about disk usage by mount point
# [[inputs.disk]]
# ## By default stats will be gathered for all mount points.
# ## Set mount_points will restrict the stats to only the specified mount points.
# # mount_points = ["/"]
#
# ## Ignore mount points by filesystem type.
# ignore_fs = ["tmpfs", "devtmpfs", "devfs", "overlay", "aufs", "squashfs"]
# # Read metrics about disk IO by device
# [[inputs.diskio]]
# ## By default, telegraf will gather stats for all devices including
# ## disk partitions.
# ## Setting devices will restrict the stats to the specified devices.
# # devices = ["sda", "sdb", "vd*"]
# ## Uncomment the following line if you need disk serial numbers.
# # skip_serial_number = false
# #
# ## On systems which support it, device metadata can be added in the form of
# ## tags.
# ## Currently only Linux is supported via udev properties. You can view
# ## available properties for a device by running:
# ## 'udevadm info -q property -n /dev/sda'
# # device_tags = ["ID_FS_TYPE", "ID_FS_USAGE"]
# #
# ## Using the same metadata source as device_tags, you can also customize the
# ## name of the device via templates.
# ## The 'name_templates' parameter is a list of templates to try and apply to
# ## the device. The template may contain variables in the form of '$PROPERTY' or
# ## '${PROPERTY}'. The first template which does not contain any variables not
# ## present for the device is used as the device name tag.
# ## The typical use case is for LVM volumes, to get the VG/LV name instead of
# ## the near-meaningless DM-0 name.
# # name_templates = ["$ID_FS_LABEL","$DM_VG_NAME/$DM_LV_NAME"]
# # Read metrics about memory usage
# [[inputs.mem]]
# # no configuration
# # Read metrics about swap memory usage
# [[inputs.swap]]
# # no configuration

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@ -1,116 +0,0 @@
package filter
import (
"strings"
"github.com/gobwas/glob"
)
type Filter interface {
Match(string) bool
}
// Compile takes a list of string filters and returns a Filter interface
// for matching a given string against the filter list. The filter list
// supports glob matching too, ie:
//
// f, _ := Compile([]string{"cpu", "mem", "net*"})
// f.Match("cpu") // true
// f.Match("network") // true
// f.Match("memory") // false
//
func Compile(filters []string) (Filter, error) {
// return if there is nothing to compile
if len(filters) == 0 {
return nil, nil
}
// check if we can compile a non-glob filter
noGlob := true
for _, filter := range filters {
if hasMeta(filter) {
noGlob = false
break
}
}
switch {
case noGlob:
// return non-globbing filter if not needed.
return compileFilterNoGlob(filters), nil
case len(filters) == 1:
return glob.Compile(filters[0])
default:
return glob.Compile("{" + strings.Join(filters, ",") + "}")
}
}
// hasMeta reports whether path contains any magic glob characters.
func hasMeta(s string) bool {
return strings.IndexAny(s, "*?[") >= 0
}
type filter struct {
m map[string]struct{}
}
func (f *filter) Match(s string) bool {
_, ok := f.m[s]
return ok
}
type filtersingle struct {
s string
}
func (f *filtersingle) Match(s string) bool {
return f.s == s
}
func compileFilterNoGlob(filters []string) Filter {
if len(filters) == 1 {
return &filtersingle{s: filters[0]}
}
out := filter{m: make(map[string]struct{})}
for _, filter := range filters {
out.m[filter] = struct{}{}
}
return &out
}
type IncludeExcludeFilter struct {
include Filter
exclude Filter
}
func NewIncludeExcludeFilter(
include []string,
exclude []string,
) (Filter, error) {
in, err := Compile(include)
if err != nil {
return nil, err
}
ex, err := Compile(exclude)
if err != nil {
return nil, err
}
return &IncludeExcludeFilter{in, ex}, nil
}
func (f *IncludeExcludeFilter) Match(s string) bool {
if f.include != nil {
if !f.include.Match(s) {
return false
}
}
if f.exclude != nil {
if f.exclude.Match(s) {
return false
}
}
return true
}

View File

@ -1,114 +0,0 @@
package filter
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestCompile(t *testing.T) {
f, err := Compile([]string{})
assert.NoError(t, err)
assert.Nil(t, f)
f, err = Compile([]string{"cpu"})
assert.NoError(t, err)
assert.True(t, f.Match("cpu"))
assert.False(t, f.Match("cpu0"))
assert.False(t, f.Match("mem"))
f, err = Compile([]string{"cpu*"})
assert.NoError(t, err)
assert.True(t, f.Match("cpu"))
assert.True(t, f.Match("cpu0"))
assert.False(t, f.Match("mem"))
f, err = Compile([]string{"cpu", "mem"})
assert.NoError(t, err)
assert.True(t, f.Match("cpu"))
assert.False(t, f.Match("cpu0"))
assert.True(t, f.Match("mem"))
f, err = Compile([]string{"cpu", "mem", "net*"})
assert.NoError(t, err)
assert.True(t, f.Match("cpu"))
assert.False(t, f.Match("cpu0"))
assert.True(t, f.Match("mem"))
assert.True(t, f.Match("network"))
}
func TestIncludeExclude(t *testing.T) {
tags := []string{}
labels := []string{"best", "com_influxdata", "timeseries", "com_influxdata_telegraf", "ever"}
filter, err := NewIncludeExcludeFilter([]string{}, []string{"com_influx*"})
if err != nil {
t.Fatalf("Failed to create include/exclude filter - %v", err)
}
for i := range labels {
if filter.Match(labels[i]) {
tags = append(tags, labels[i])
}
}
assert.Equal(t, []string{"best", "timeseries", "ever"}, tags)
}
var benchbool bool
func BenchmarkFilterSingleNoGlobFalse(b *testing.B) {
f, _ := Compile([]string{"cpu"})
var tmp bool
for n := 0; n < b.N; n++ {
tmp = f.Match("network")
}
benchbool = tmp
}
func BenchmarkFilterSingleNoGlobTrue(b *testing.B) {
f, _ := Compile([]string{"cpu"})
var tmp bool
for n := 0; n < b.N; n++ {
tmp = f.Match("cpu")
}
benchbool = tmp
}
func BenchmarkFilter(b *testing.B) {
f, _ := Compile([]string{"cpu", "mem", "net*"})
var tmp bool
for n := 0; n < b.N; n++ {
tmp = f.Match("network")
}
benchbool = tmp
}
func BenchmarkFilterNoGlob(b *testing.B) {
f, _ := Compile([]string{"cpu", "mem", "net"})
var tmp bool
for n := 0; n < b.N; n++ {
tmp = f.Match("net")
}
benchbool = tmp
}
func BenchmarkFilter2(b *testing.B) {
f, _ := Compile([]string{"aa", "bb", "c", "ad", "ar", "at", "aq",
"aw", "az", "axxx", "ab", "cpu", "mem", "net*"})
var tmp bool
for n := 0; n < b.N; n++ {
tmp = f.Match("network")
}
benchbool = tmp
}
func BenchmarkFilter2NoGlob(b *testing.B) {
f, _ := Compile([]string{"aa", "bb", "c", "ad", "ar", "at", "aq",
"aw", "az", "axxx", "ab", "cpu", "mem", "net"})
var tmp bool
for n := 0; n < b.N; n++ {
tmp = f.Match("net")
}
benchbool = tmp
}

161
go.mod
View File

@ -1,161 +0,0 @@
module github.com/influxdata/telegraf
go 1.12
require (
cloud.google.com/go v0.53.0
cloud.google.com/go/datastore v1.1.0 // indirect
cloud.google.com/go/pubsub v1.2.0
code.cloudfoundry.org/clock v1.0.0 // indirect
collectd.org v0.3.0
github.com/Azure/azure-event-hubs-go/v3 v3.2.0
github.com/Azure/azure-storage-queue-go v0.0.0-20181215014128-6ed74e755687
github.com/Azure/go-autorest/autorest v0.9.3
github.com/Azure/go-autorest/autorest/azure/auth v0.4.2
github.com/BurntSushi/toml v0.3.1
github.com/ChimeraCoder/anaconda v2.0.0+incompatible
github.com/ChimeraCoder/tokenbucket v0.0.0-20131201223612-c5a927568de7 // indirect
github.com/Mellanox/rdmamap v0.0.0-20191106181932-7c3c4763a6ee
github.com/Microsoft/ApplicationInsights-Go v0.4.2
github.com/Microsoft/go-winio v0.4.9 // indirect
github.com/Shopify/sarama v1.24.1
github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6
github.com/aerospike/aerospike-client-go v1.27.0
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4
github.com/amir/raidman v0.0.0-20170415203553-1ccc43bfb9c9
github.com/apache/thrift v0.12.0
github.com/aristanetworks/glog v0.0.0-20191112221043-67e8567f59f3 // indirect
github.com/aristanetworks/goarista v0.0.0-20190325233358-a123909ec740
github.com/armon/go-metrics v0.3.0 // indirect
github.com/aws/aws-sdk-go v1.30.9
github.com/azr/backoff v0.0.0-20160115115103-53511d3c7330 // indirect
github.com/benbjohnson/clock v1.0.2
github.com/bitly/go-hostpool v0.1.0 // indirect
github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 // indirect
github.com/caio/go-tdigest v2.3.0+incompatible // indirect
github.com/cenkalti/backoff v2.0.0+incompatible // indirect
github.com/cisco-ie/nx-telemetry-proto v0.0.0-20190531143454-82441e232cf6
github.com/cockroachdb/apd v1.1.0 // indirect
github.com/couchbase/go-couchbase v0.0.0-20180501122049-16db1f1fe037
github.com/couchbase/gomemcached v0.0.0-20180502221210-0da75df14530 // indirect
github.com/couchbase/goutils v0.0.0-20180530154633-e865a1461c8a // indirect
github.com/denisenkom/go-mssqldb v0.0.0-20190707035753-2be1aa521ff4
github.com/dgrijalva/jwt-go v3.2.0+incompatible
github.com/docker/distribution v2.6.0-rc.1.0.20170726174610-edc3ab29cdff+incompatible // indirect
github.com/docker/docker v1.4.2-0.20180327123150-ed7b6428c133
github.com/docker/go-connections v0.3.0 // indirect
github.com/docker/go-units v0.3.3 // indirect
github.com/docker/libnetwork v0.8.0-dev.2.0.20181012153825-d7b61745d166
github.com/dustin/go-jsonpointer v0.0.0-20160814072949-ba0abeacc3dc // indirect
github.com/dustin/gojson v0.0.0-20160307161227-2e71ec9dd5ad // indirect
github.com/eclipse/paho.mqtt.golang v1.2.0
github.com/ericchiang/k8s v1.2.0
github.com/garyburd/go-oauth v0.0.0-20180319155456-bca2e7f09a17 // indirect
github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32
github.com/glinton/ping v0.1.4-0.20200311211934-5ac87da8cd96
github.com/go-logfmt/logfmt v0.4.0
github.com/go-ole/go-ole v1.2.1 // indirect
github.com/go-redis/redis v6.12.0+incompatible
github.com/go-sql-driver/mysql v1.5.0
github.com/goburrow/modbus v0.1.0
github.com/goburrow/serial v0.1.0 // indirect
github.com/gobwas/glob v0.2.3
github.com/gofrs/uuid v2.1.0+incompatible
github.com/gogo/protobuf v1.2.2-0.20190723190241-65acae22fc9d
github.com/golang/geo v0.0.0-20190916061304-5b978397cfec
github.com/golang/protobuf v1.3.5
github.com/google/go-cmp v0.4.0
github.com/google/go-github v17.0.0+incompatible
github.com/google/go-querystring v1.0.0 // indirect
github.com/gorilla/mux v1.6.2
github.com/gotestyourself/gotestyourself v2.2.0+incompatible // indirect
github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed // indirect
github.com/harlow/kinesis-consumer v0.3.1-0.20181230152818-2f58b136fee0
github.com/hashicorp/consul v1.2.1
github.com/hashicorp/go-msgpack v0.5.5 // indirect
github.com/hashicorp/go-rootcerts v0.0.0-20160503143440-6bb64b370b90 // indirect
github.com/hashicorp/memberlist v0.1.5 // indirect
github.com/hashicorp/serf v0.8.1 // indirect
github.com/influxdata/go-syslog/v2 v2.0.1
github.com/influxdata/tail v1.0.1-0.20180327235535-c43482518d41
github.com/influxdata/toml v0.0.0-20190415235208-270119a8ce65
github.com/influxdata/wlog v0.0.0-20160411224016-7c63b0a71ef8
github.com/jackc/fake v0.0.0-20150926172116-812a484cc733 // indirect
github.com/jackc/pgx v3.6.0+incompatible
github.com/jcmturner/gofork v1.0.0 // indirect
github.com/kardianos/service v1.0.0
github.com/karrick/godirwalk v1.12.0
github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
github.com/klauspost/compress v1.9.2 // indirect
github.com/kubernetes/apimachinery v0.0.0-20190119020841-d41becfba9ee
github.com/kylelemons/godebug v1.1.0 // indirect
github.com/leesper/go_rng v0.0.0-20190531154944-a612b043e353 // indirect
github.com/lib/pq v1.3.0 // indirect
github.com/mailru/easyjson v0.0.0-20180717111219-efc7eb8984d6 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.1
github.com/mdlayher/apcupsd v0.0.0-20190314144147-eb3dd99a75fe
github.com/miekg/dns v1.0.14
github.com/mitchellh/go-testing-interface v1.0.0 // indirect
github.com/mmcdole/gofeed v1.0.0
github.com/multiplay/go-ts3 v1.0.0
github.com/naoina/go-stringutil v0.1.0 // indirect
github.com/nats-io/nats-server/v2 v2.1.4
github.com/nats-io/nats.go v1.9.1
github.com/newrelic/newrelic-telemetry-sdk-go v0.2.0
github.com/nsqio/go-nsq v1.0.7
github.com/openconfig/gnmi v0.0.0-20180912164834-33a1865c3029
github.com/opencontainers/go-digest v1.0.0-rc1 // indirect
github.com/opencontainers/image-spec v1.0.1 // indirect
github.com/opentracing-contrib/go-observer v0.0.0-20170622124052-a52f23424492 // indirect
github.com/opentracing/opentracing-go v1.0.2 // indirect
github.com/openzipkin/zipkin-go-opentracing v0.3.4
github.com/pkg/errors v0.9.1
github.com/prometheus/client_golang v1.5.1
github.com/prometheus/client_model v0.2.0
github.com/prometheus/common v0.9.1
github.com/safchain/ethtool v0.0.0-20200218184317-f459e2d13664
github.com/samuel/go-zookeeper v0.0.0-20180130194729-c4fab1ac1bec // indirect
github.com/satori/go.uuid v1.2.1-0.20181028125025-b2ce2384e17b // indirect
github.com/shirou/gopsutil v2.20.2+incompatible
github.com/shopspring/decimal v0.0.0-20200105231215-408a2507e114 // indirect
github.com/sirupsen/logrus v1.4.2
github.com/soniah/gosnmp v1.25.0
github.com/streadway/amqp v0.0.0-20180528204448-e5adc2ada8b8
github.com/stretchr/testify v1.5.1
github.com/tbrandon/mbserver v0.0.0-20170611213546-993e1772cc62
github.com/tedsuo/ifrit v0.0.0-20191009134036-9a97d0632f00 // indirect
github.com/tidwall/gjson v1.3.0
github.com/vishvananda/netlink v0.0.0-20171020171820-b2de5d10e38e // indirect
github.com/vishvananda/netns v0.0.0-20180720170159-13995c7128cc // indirect
github.com/vjeantet/grok v1.0.0
github.com/vmware/govmomi v0.19.0
github.com/wavefronthq/wavefront-sdk-go v0.9.2
github.com/wvanbergen/kafka v0.0.0-20171203153745-e2edea948ddf
github.com/wvanbergen/kazoo-go v0.0.0-20180202103751-f72d8611297a // indirect
github.com/yuin/gopher-lua v0.0.0-20180630135845-46796da1b0b4 // indirect
golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6 // indirect
golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect
golang.org/x/net v0.0.0-20200301022130-244492dfa37a
golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a // indirect
golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4
golang.org/x/tools v0.0.0-20200317043434-63da46f3035e // indirect
golang.zx2c4.com/wireguard/wgctrl v0.0.0-20200205215550-e35592f146e4
gonum.org/v1/gonum v0.6.2 // indirect
google.golang.org/api v0.20.0
google.golang.org/genproto v0.0.0-20200317114155-1f3552e48f24
google.golang.org/grpc v1.28.0
gopkg.in/fatih/pool.v2 v2.0.0 // indirect
gopkg.in/gorethink/gorethink.v3 v3.0.5
gopkg.in/jcmturner/gokrb5.v7 v7.3.0 // indirect
gopkg.in/ldap.v3 v3.1.0
gopkg.in/mgo.v2 v2.0.0-20180705113604-9856a29383ce
gopkg.in/olivere/elastic.v5 v5.0.70
gopkg.in/yaml.v2 v2.2.5
gotest.tools v2.2.0+incompatible // indirect
honnef.co/go/tools v0.0.1-2020.1.3 // indirect
k8s.io/apimachinery v0.17.1 // indirect
)
// replaced due to https://github.com/satori/go.uuid/issues/73
replace github.com/satori/go.uuid => github.com/gofrs/uuid v3.2.0+incompatible

915
go.sum
View File

@ -1,915 +0,0 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.37.4 h1:glPeL3BQJsbF6aIIYfZizMwc5LTYz250bDMjttbBGAU=
cloud.google.com/go v0.37.4/go.mod h1:NHPJ89PdicEuT9hdPXMROBD91xc5uRDxsMtSB16k7hw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
cloud.google.com/go v0.53.0 h1:MZQCQQaRwOrAcuKjiHWHrgKykt4fZyuwF2dtiG3fGW8=
cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
cloud.google.com/go/bigquery v1.4.0 h1:xE3CPsOgttP4ACBePh79zTKALtXwn/Edhcr16R5hMWU=
cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
cloud.google.com/go/datastore v1.1.0 h1:/May9ojXjRkPBNVrq+oWLqmWCkr4OU5uRY29bu0mRyQ=
cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
cloud.google.com/go/pubsub v1.2.0 h1:Lpy6hKgdcl7a3WGSfJIFmxmcdjSpP6OmBEfcOv1Y680=
cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
cloud.google.com/go/storage v1.5.0 h1:RPUcBvDeYgQFMfQu1eBMq6piD1SXmLH+vK3qjewZPus=
cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
code.cloudfoundry.org/clock v1.0.0 h1:kFXWQM4bxYvdBw2X8BbBeXwQNgfoWv1vqAk2ZZyBN2o=
code.cloudfoundry.org/clock v1.0.0/go.mod h1:QD9Lzhd/ux6eNQVUDVRJX/RKTigpewimNYBi7ivZKY8=
collectd.org v0.3.0 h1:iNBHGw1VvPJxH2B6RiFWFZ+vsjo1lCdRszBeOuwGi00=
collectd.org v0.3.0/go.mod h1:A/8DzQBkF6abtvrT2j/AU/4tiBgJWYyh0y/oB/4MlWE=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
gitea.statsd.de/dom/telegraf v0.10.1 h1:RZNof67areTIGhj1hZW1cAZ/4Dbz7HyKVAZ5dTphbuw=
github.com/Azure/azure-amqp-common-go/v3 v3.0.0 h1:j9tjcwhypb/jek3raNrwlCIl7iKQYOug7CLpSyBBodc=
github.com/Azure/azure-amqp-common-go/v3 v3.0.0/go.mod h1:SY08giD/XbhTz07tJdpw1SoxQXHPN30+DI3Z04SYqyg=
github.com/Azure/azure-event-hubs-go/v3 v3.2.0 h1:CQlxKH5a4NX1ZmbdqXUPRwuNGh2XvtgmhkZvkEuWzhs=
github.com/Azure/azure-event-hubs-go/v3 v3.2.0/go.mod h1:BPIIJNH/l/fVHYq3Rm6eg4clbrULrQ3q7+icmqHyyLc=
github.com/Azure/azure-pipeline-go v0.1.8/go.mod h1:XA1kFWRVhSK+KNFiOhfv83Fv8L9achrP7OxIzeTn1Yg=
github.com/Azure/azure-pipeline-go v0.1.9 h1:u7JFb9fFTE6Y/j8ae2VK33ePrRqJqoCM/IWkQdAZ+rg=
github.com/Azure/azure-pipeline-go v0.1.9/go.mod h1:XA1kFWRVhSK+KNFiOhfv83Fv8L9achrP7OxIzeTn1Yg=
github.com/Azure/azure-sdk-for-go v37.1.0+incompatible h1:aFlw3lP7ZHQi4m1kWCpcwYtczhDkGhDoRaMTaxcOf68=
github.com/Azure/azure-sdk-for-go v37.1.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
github.com/Azure/azure-storage-blob-go v0.6.0/go.mod h1:oGfmITT1V6x//CswqY2gtAHND+xIP64/qL7a5QJix0Y=
github.com/Azure/azure-storage-queue-go v0.0.0-20181215014128-6ed74e755687 h1:7MiZ6Th+YTmwUdrKmFg5OMsGYz7IdQwjqL0RPxkhhOQ=
github.com/Azure/azure-storage-queue-go v0.0.0-20181215014128-6ed74e755687/go.mod h1:K6am8mT+5iFXgingS9LUc7TmbsW6XBw3nxaRyaMyWc8=
github.com/Azure/go-amqp v0.12.6 h1:34yItuwhA/nusvq2sPSNPQxZLCf/CtaogYH8n578mnY=
github.com/Azure/go-amqp v0.12.6/go.mod h1:qApuH6OFTSKZFmCOxccvAv5rLizBQf4v8pRmG138DPo=
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github.com/dimchansky/utfbom v1.1.0/go.mod h1:rO41eb7gLfo8SF1jd9F8HplJm1Fewwi4mQvIirEdv+8=
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github.com/docker/go-connections v0.3.0 h1:3lOnM9cSzgGwx8VfK/NGOW5fLQ0GjIlCkaktF+n1M6o=
github.com/docker/go-connections v0.3.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec=
github.com/docker/go-units v0.3.3 h1:Xk8S3Xj5sLGlG5g67hJmYMmUgXv5N4PhkjJHHqrwnTk=
github.com/docker/go-units v0.3.3/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
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github.com/dustin/go-jsonpointer v0.0.0-20160814072949-ba0abeacc3dc h1:tP7tkU+vIsEOKiK+l/NSLN4uUtkyuxc6hgYpQeCWAeI=
github.com/dustin/go-jsonpointer v0.0.0-20160814072949-ba0abeacc3dc/go.mod h1:ORH5Qp2bskd9NzSfKqAF7tKfONsEkCarTE5ESr/RVBw=
github.com/dustin/gojson v0.0.0-20160307161227-2e71ec9dd5ad h1:Qk76DOWdOp+GlyDKBAG3Klr9cn7N+LcYc82AZ2S7+cA=
github.com/dustin/gojson v0.0.0-20160307161227-2e71ec9dd5ad/go.mod h1:mPKfmRa823oBIgl2r20LeMSpTAteW5j7FLkc0vjmzyQ=
github.com/eapache/go-resiliency v1.1.0 h1:1NtRmCAqadE2FN4ZcN6g90TP3uk8cg9rn9eNK2197aU=
github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
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github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
github.com/eapache/queue v1.1.0 h1:YOEu7KNc61ntiQlcEeUIoDTJ2o8mQznoNvUhiigpIqc=
github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
github.com/eclipse/paho.mqtt.golang v1.2.0 h1:1F8mhG9+aO5/xpdtFkW4SxOJB67ukuDC3t2y2qayIX0=
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github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/ericchiang/k8s v1.2.0 h1:vxrMwEzY43oxu8aZyD/7b1s8tsBM+xoUoxjWECWFbPI=
github.com/ericchiang/k8s v1.2.0/go.mod h1:/OmBgSq2cd9IANnsGHGlEz27nwMZV2YxlpXuQtU3Bz4=
github.com/evanphx/json-patch v4.2.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
github.com/fogleman/gg v1.2.1-0.20190220221249-0403632d5b90/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw=
github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
github.com/frankban/quicktest v1.4.1 h1:Wv2VwvNn73pAdFIVUQRXYDFp31lXKbqblIXo/Q5GPSg=
github.com/frankban/quicktest v1.4.1/go.mod h1:36zfPVQyHxymz4cH7wlDmVwDrJuljRB60qkgn7rorfQ=
github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
github.com/garyburd/go-oauth v0.0.0-20180319155456-bca2e7f09a17 h1:GOfMz6cRgTJ9jWV0qAezv642OhPnKEG7gtUjJSdStHE=
github.com/garyburd/go-oauth v0.0.0-20180319155456-bca2e7f09a17/go.mod h1:HfkOCN6fkKKaPSAeNq/er3xObxTW4VLeY6UUK895gLQ=
github.com/ghodss/yaml v0.0.0-20150909031657-73d445a93680/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32 h1:Mn26/9ZMNWSw9C9ERFA1PUxfmGpolnw2v0bKOREu5ew=
github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32/go.mod h1:GIjDIg/heH5DOkXY3YJ/wNhfHsQHoXGjl8G8amsYQ1I=
github.com/glinton/ping v0.1.4-0.20200311211934-5ac87da8cd96 h1:YpooqMW354GG47PXNBiaCv6yCQizyP3MXD9NUPrCEQ8=
github.com/glinton/ping v0.1.4-0.20200311211934-5ac87da8cd96/go.mod h1:uY+1eqFUyotrQxF1wYFNtMeHp/swbYRsoGzfcPZ8x3o=
github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
github.com/go-logfmt/logfmt v0.4.0 h1:MP4Eh7ZCb31lleYCFuwm0oe4/YGak+5l1vA2NOE80nA=
github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7sIas=
github.com/go-ole/go-ole v1.2.1 h1:2lOsA72HgjxAuMlKpFiCbHTvu44PIVkZ5hqm3RSdI/E=
github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8=
github.com/go-openapi/jsonpointer v0.0.0-20160704185906-46af16f9f7b1/go.mod h1:+35s3my2LFTysnkMfxsJBAMHj/DoqoB9knIWoYG/Vk0=
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github.com/go-openapi/spec v0.0.0-20160808142527-6aced65f8501/go.mod h1:J8+jY1nAiCcj+friV/PDoE1/3eeccG9LYBs0tYvLOWc=
github.com/go-openapi/swag v0.0.0-20160704191624-1d0bd113de87/go.mod h1:DXUve3Dpr1UfpPtxFw+EFuQ41HhCWZfha5jSVRG7C7I=
github.com/go-redis/redis v6.12.0+incompatible h1:s+64XI+z/RXqGHz2fQSgRJOEwqqSXeX3dliF7iVkMbE=
github.com/go-redis/redis v6.12.0+incompatible/go.mod h1:NAIEuMOZ/fxfXJIrKDQDz8wamY7mA7PouImQ2Jvg6kA=
github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs=
github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
github.com/goburrow/modbus v0.1.0 h1:DejRZY73nEM6+bt5JSP6IsFolJ9dVcqxsYbpLbeW/ro=
github.com/goburrow/modbus v0.1.0/go.mod h1:Kx552D5rLIS8E7TyUwQ/UdHEqvX5T8tyiGBTlzMcZBg=
github.com/goburrow/serial v0.1.0 h1:v2T1SQa/dlUqQiYIT8+Cu7YolfqAi3K96UmhwYyuSrA=
github.com/goburrow/serial v0.1.0/go.mod h1:sAiqG0nRVswsm1C97xsttiYCzSLBmUZ/VSlVLZJ8haA=
github.com/gobwas/glob v0.2.3 h1:A4xDbljILXROh+kObIiy5kIaPYD8e96x1tgBhUI5J+Y=
github.com/gobwas/glob v0.2.3/go.mod h1:d3Ez4x06l9bZtSvzIay5+Yzi0fmZzPgnTbPcKjJAkT8=
github.com/gofrs/uuid v2.1.0+incompatible h1:8oEj3gioPmmDAOLQUZdnW+h4FZu9aSE/SQIas1E9pzA=
github.com/gofrs/uuid v2.1.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
github.com/gofrs/uuid v3.2.0+incompatible h1:y12jRkkFxsd7GpqdSZ+/KCs/fJbqpEXSGd4+jfEaewE=
github.com/gofrs/uuid v3.2.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
github.com/gogo/protobuf v1.2.2-0.20190723190241-65acae22fc9d h1:3PaI8p3seN09VjbTYC/QWlUZdZ1qS1zGjy7LH2Wt07I=
github.com/gogo/protobuf v1.2.2-0.20190723190241-65acae22fc9d/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
github.com/golang/geo v0.0.0-20190916061304-5b978397cfec h1:lJwO/92dFXWeXOZdoGXgptLmNLwynMSHUmU6besqtiw=
github.com/golang/geo v0.0.0-20190916061304-5b978397cfec/go.mod h1:QZ0nwyI2jOfgRAoBvP+ab5aRr7c9x7lhGEJrKvBwjWI=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e h1:1r7pUrabqp18hOBcwBwiTsbnFeTZHV9eER/QT5JVZxY=
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
github.com/golang/protobuf v0.0.0-20161109072736-4bd1920723d7/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
github.com/golang/protobuf v1.3.5 h1:F768QJ1E9tib+q5Sc8MkdJi1RxLTbRcTf8LJV56aRls=
github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c h1:964Od4U6p2jUkFxvCydnIczKteheJEzHRToSGK3Bnlw=
github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/btree v1.0.0 h1:0udJVsspx3VBr5FwtLhQQtuAsVc79tTq0ocGIPAU6qo=
github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.3.1 h1:Xye71clBPdm5HgqGwUkwhbynsUJZhDbS20FvLhQ2izg=
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-github v17.0.0+incompatible h1:N0LgJ1j65A7kfXrZnUDaYCs/Sf4rEjNlfyDHW9dolSY=
github.com/google/go-github v17.0.0+incompatible/go.mod h1:zLgOLi98H3fifZn+44m+umXrS52loVEgC2AApnigrVQ=
github.com/google/go-querystring v1.0.0 h1:Xkwi/a1rcvNg1PPYe5vI8GbeBY/jrVuDX5ASuANWTrk=
github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
github.com/google/gofuzz v0.0.0-20161122191042-44d81051d367/go.mod h1:HP5RmnzzSNb993RKQDq4+1A4ia9nllfqcQFTQJedwGI=
github.com/google/gofuzz v1.0.0 h1:A8PeW59pxE9IoFRqBp37U+mSNaQoZ46F1f0f863XSXw=
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
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golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
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golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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gonum.org/v1/gonum v0.0.0-20180816165407-929014505bf4/go.mod h1:Y+Yx5eoAFn32cQvJDxZx5Dpnq+c3wtXuadVZAcxbbBo=
gonum.org/v1/gonum v0.6.2 h1:4r+yNT0+8SWcOkXP+63H2zQbN+USnC73cjGUxnDF94Q=
gonum.org/v1/gonum v0.6.2/go.mod h1:9mxDZsDKxgMAuccQkewq682L+0eCu4dCN2yonUJTCLU=
gonum.org/v1/netlib v0.0.0-20190313105609-8cb42192e0e0 h1:OE9mWmgKkjJyEmDAAtGMPjXu+YNeGvK9VTSHY6+Qihc=
gonum.org/v1/netlib v0.0.0-20190313105609-8cb42192e0e0/go.mod h1:wa6Ws7BG/ESfp6dHfk7C6KdzKA7wR7u/rKwOGE66zvw=
gonum.org/v1/plot v0.0.0-20190515093506-e2840ee46a6b/go.mod h1:Wt8AAjI+ypCyYX3nZBvf6cAIx93T+c/OS2HFAYskSZc=
google.golang.org/api v0.3.1 h1:oJra/lMfmtm13/rgY/8i3MzjFWYXvQIAKjQ3HqofMk8=
google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
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google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
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google.golang.org/api v0.15.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
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google.golang.org/api v0.20.0 h1:jz2KixHX7EcCPiQrySzPdnYT7DbINAypCqKZ1Z7GM40=
google.golang.org/api v0.20.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
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google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
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google.golang.org/appengine v1.6.5 h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM=
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gopkg.in/jcmturner/aescts.v1 v1.0.1 h1:cVVZBK2b1zY26haWB4vbBiZrfFQnfbTVrE3xZq6hrEw=
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gopkg.in/jcmturner/dnsutils.v1 v1.0.1 h1:cIuC1OLRGZrld+16ZJvvZxVJeKPsvd5eUIvxfoN5hSM=
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gopkg.in/jcmturner/goidentity.v3 v3.0.0 h1:1duIyWiTaYvVx3YX2CYtpJbUFd7/UuPYCfgXtQ3VTbI=
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gopkg.in/jcmturner/rpc.v1 v1.1.0 h1:QHIUxTX1ISuAv9dD2wJ9HWQVuWDX/Zc0PfeC2tjc4rU=
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gopkg.in/olivere/elastic.v5 v5.0.70/go.mod h1:FylZT6jQWtfHsicejzOm3jIMVPOAksa80i3o+6qtQRk=
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gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.5 h1:ymVxjfMaHvXD8RqPRmzHHsB3VvucivSkIAvJFDI5O3c=
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k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
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rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
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sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
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View File

@ -1,7 +1,11 @@
package telegraf
type Input interface {
PluginDescriber
// SampleConfig returns the default configuration of the Input
SampleConfig() string
// Description returns a one-sentence description on the Input
Description() string
// Gather takes in an accumulator and adds the metrics that the Input
// gathers. This is called every "interval"
@ -9,10 +13,17 @@ type Input interface {
}
type ServiceInput interface {
Input
// SampleConfig returns the default configuration of the Input
SampleConfig() string
// Start the ServiceInput. The Accumulator may be retained and used until
// Stop returns.
// Description returns a one-sentence description on the Input
Description() string
// Gather takes in an accumulator and adds the metrics that the Input
// gathers. This is called every "interval"
Gather(Accumulator) error
// Start starts the ServiceInput's service, whatever that may be
Start(Accumulator) error
// Stop stops the services and closes any necessary channels and connections

View File

@ -1,36 +0,0 @@
// Package choice provides basic functions for working with
// plugin options that must be one of several values.
package choice
import "fmt"
// Contains return true if the choice in the list of choices.
func Contains(choice string, choices []string) bool {
for _, item := range choices {
if item == choice {
return true
}
}
return false
}
// CheckSContains returns an error if a choice is not one of
// the available choices.
func Check(choice string, available []string) error {
if !Contains(choice, available) {
return fmt.Errorf("unknown choice %s", choice)
}
return nil
}
// CheckSliceContains returns an error if the choices is not a subset of
// available.
func CheckSlice(choices, available []string) error {
for _, choice := range choices {
err := Check(choice, available)
if err != nil {
return err
}
}
return nil
}

721
internal/config/config.go Normal file
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@ -0,0 +1,721 @@
package config
import (
"errors"
"fmt"
"io/ioutil"
"log"
"path/filepath"
"sort"
"strings"
"time"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/internal"
"github.com/influxdata/telegraf/internal/models"
"github.com/influxdata/telegraf/plugins/inputs"
"github.com/influxdata/telegraf/plugins/outputs"
"github.com/influxdata/telegraf/plugins/parsers"
"github.com/influxdata/telegraf/plugins/serializers"
"github.com/influxdata/config"
"github.com/naoina/toml/ast"
)
// Config specifies the URL/user/password for the database that telegraf
// will be logging to, as well as all the plugins that the user has
// specified
type Config struct {
Tags map[string]string
InputFilters []string
OutputFilters []string
Agent *AgentConfig
Inputs []*internal_models.RunningInput
Outputs []*internal_models.RunningOutput
}
func NewConfig() *Config {
c := &Config{
// Agent defaults:
Agent: &AgentConfig{
Interval: internal.Duration{Duration: 10 * time.Second},
RoundInterval: true,
FlushInterval: internal.Duration{Duration: 10 * time.Second},
FlushJitter: internal.Duration{Duration: 5 * time.Second},
},
Tags: make(map[string]string),
Inputs: make([]*internal_models.RunningInput, 0),
Outputs: make([]*internal_models.RunningOutput, 0),
InputFilters: make([]string, 0),
OutputFilters: make([]string, 0),
}
return c
}
type AgentConfig struct {
// Interval at which to gather information
Interval internal.Duration
// RoundInterval rounds collection interval to 'interval'.
// ie, if Interval=10s then always collect on :00, :10, :20, etc.
RoundInterval bool
// CollectionJitter is used to jitter the collection by a random amount.
// Each plugin will sleep for a random time within jitter before collecting.
// This can be used to avoid many plugins querying things like sysfs at the
// same time, which can have a measurable effect on the system.
CollectionJitter internal.Duration
// FlushInterval is the Interval at which to flush data
FlushInterval internal.Duration
// FlushJitter Jitters the flush interval by a random amount.
// This is primarily to avoid large write spikes for users running a large
// number of telegraf instances.
// ie, a jitter of 5s and interval 10s means flushes will happen every 10-15s
FlushJitter internal.Duration
// MetricBufferLimit is the max number of metrics that each output plugin
// will cache. The buffer is cleared when a successful write occurs. When
// full, the oldest metrics will be overwritten.
MetricBufferLimit int
// FlushBufferWhenFull tells Telegraf to flush the metric buffer whenever
// it fills up, regardless of FlushInterval. Setting this option to true
// does _not_ deactivate FlushInterval.
FlushBufferWhenFull bool
// TODO(cam): Remove UTC and Precision parameters, they are no longer
// valid for the agent config. Leaving them here for now for backwards-
// compatability
UTC bool `toml:"utc"`
Precision string
// Debug is the option for running in debug mode
Debug bool
// Quiet is the option for running in quiet mode
Quiet bool
Hostname string
}
// Inputs returns a list of strings of the configured inputs.
func (c *Config) InputNames() []string {
var name []string
for _, input := range c.Inputs {
name = append(name, input.Name)
}
return name
}
// Outputs returns a list of strings of the configured inputs.
func (c *Config) OutputNames() []string {
var name []string
for _, output := range c.Outputs {
name = append(name, output.Name)
}
return name
}
// ListTags returns a string of tags specified in the config,
// line-protocol style
func (c *Config) ListTags() string {
var tags []string
for k, v := range c.Tags {
tags = append(tags, fmt.Sprintf("%s=%s", k, v))
}
sort.Strings(tags)
return strings.Join(tags, " ")
}
var header = `# Telegraf Configuration
# Telegraf is entirely plugin driven. All metrics are gathered from the
# declared inputs, and sent to the declared outputs.
# Plugins must be declared in here to be active.
# To deactivate a plugin, comment out the name and any variables.
# Use 'telegraf -config telegraf.conf -test' to see what metrics a config
# file would generate.
# Global tags can be specified here in key="value" format.
[global_tags]
# dc = "us-east-1" # will tag all metrics with dc=us-east-1
# rack = "1a"
# Configuration for telegraf agent
[agent]
## Default data collection interval for all inputs
interval = "10s"
## Rounds collection interval to 'interval'
## ie, if interval="10s" then always collect on :00, :10, :20, etc.
round_interval = true
## Telegraf will cache metric_buffer_limit metrics for each output, and will
## flush this buffer on a successful write.
metric_buffer_limit = 10000
## Flush the buffer whenever full, regardless of flush_interval.
flush_buffer_when_full = true
## Collection jitter is used to jitter the collection by a random amount.
## Each plugin will sleep for a random time within jitter before collecting.
## This can be used to avoid many plugins querying things like sysfs at the
## same time, which can have a measurable effect on the system.
collection_jitter = "0s"
## Default flushing interval for all outputs. You shouldn't set this below
## interval. Maximum flush_interval will be flush_interval + flush_jitter
flush_interval = "10s"
## Jitter the flush interval by a random amount. This is primarily to avoid
## large write spikes for users running a large number of telegraf instances.
## ie, a jitter of 5s and interval 10s means flushes will happen every 10-15s
flush_jitter = "0s"
## Run telegraf in debug mode
debug = false
## Run telegraf in quiet mode
quiet = false
## Override default hostname, if empty use os.Hostname()
hostname = ""
###############################################################################
# OUTPUTS #
###############################################################################
`
var pluginHeader = `
###############################################################################
# INPUTS #
###############################################################################
`
var serviceInputHeader = `
###############################################################################
# SERVICE INPUTS #
###############################################################################
`
// PrintSampleConfig prints the sample config
func PrintSampleConfig(pluginFilters []string, outputFilters []string) {
fmt.Printf(header)
// Filter outputs
var onames []string
for oname := range outputs.Outputs {
if len(outputFilters) == 0 || sliceContains(oname, outputFilters) {
onames = append(onames, oname)
}
}
sort.Strings(onames)
// Print Outputs
for _, oname := range onames {
creator := outputs.Outputs[oname]
output := creator()
printConfig(oname, output, "outputs")
}
// Filter inputs
var pnames []string
for pname := range inputs.Inputs {
if len(pluginFilters) == 0 || sliceContains(pname, pluginFilters) {
pnames = append(pnames, pname)
}
}
sort.Strings(pnames)
// Print Inputs
fmt.Printf(pluginHeader)
servInputs := make(map[string]telegraf.ServiceInput)
for _, pname := range pnames {
creator := inputs.Inputs[pname]
input := creator()
switch p := input.(type) {
case telegraf.ServiceInput:
servInputs[pname] = p
continue
}
printConfig(pname, input, "inputs")
}
// Print Service Inputs
fmt.Printf(serviceInputHeader)
for name, input := range servInputs {
printConfig(name, input, "inputs")
}
}
type printer interface {
Description() string
SampleConfig() string
}
func printConfig(name string, p printer, op string) {
fmt.Printf("\n# %s\n[[%s.%s]]", p.Description(), op, name)
config := p.SampleConfig()
if config == "" {
fmt.Printf("\n # no configuration\n")
} else {
fmt.Printf(config)
}
}
func sliceContains(name string, list []string) bool {
for _, b := range list {
if b == name {
return true
}
}
return false
}
// PrintInputConfig prints the config usage of a single input.
func PrintInputConfig(name string) error {
if creator, ok := inputs.Inputs[name]; ok {
printConfig(name, creator(), "inputs")
} else {
return errors.New(fmt.Sprintf("Input %s not found", name))
}
return nil
}
// PrintOutputConfig prints the config usage of a single output.
func PrintOutputConfig(name string) error {
if creator, ok := outputs.Outputs[name]; ok {
printConfig(name, creator(), "outputs")
} else {
return errors.New(fmt.Sprintf("Output %s not found", name))
}
return nil
}
func (c *Config) LoadDirectory(path string) error {
directoryEntries, err := ioutil.ReadDir(path)
if err != nil {
return err
}
for _, entry := range directoryEntries {
if entry.IsDir() {
continue
}
name := entry.Name()
if len(name) < 6 || name[len(name)-5:] != ".conf" {
continue
}
err := c.LoadConfig(filepath.Join(path, name))
if err != nil {
return err
}
}
return nil
}
// LoadConfig loads the given config file and applies it to c
func (c *Config) LoadConfig(path string) error {
tbl, err := config.ParseFile(path)
if err != nil {
return err
}
for name, val := range tbl.Fields {
subTable, ok := val.(*ast.Table)
if !ok {
return errors.New("invalid configuration")
}
switch name {
case "agent":
if err = config.UnmarshalTable(subTable, c.Agent); err != nil {
log.Printf("Could not parse [agent] config\n")
return err
}
case "global_tags", "tags":
if err = config.UnmarshalTable(subTable, c.Tags); err != nil {
log.Printf("Could not parse [global_tags] config\n")
return err
}
case "outputs":
for pluginName, pluginVal := range subTable.Fields {
switch pluginSubTable := pluginVal.(type) {
case *ast.Table:
if err = c.addOutput(pluginName, pluginSubTable); err != nil {
return err
}
case []*ast.Table:
for _, t := range pluginSubTable {
if err = c.addOutput(pluginName, t); err != nil {
return err
}
}
default:
return fmt.Errorf("Unsupported config format: %s",
pluginName)
}
}
case "inputs", "plugins":
for pluginName, pluginVal := range subTable.Fields {
switch pluginSubTable := pluginVal.(type) {
case *ast.Table:
if err = c.addInput(pluginName, pluginSubTable); err != nil {
return err
}
case []*ast.Table:
for _, t := range pluginSubTable {
if err = c.addInput(pluginName, t); err != nil {
return err
}
}
default:
return fmt.Errorf("Unsupported config format: %s",
pluginName)
}
}
// Assume it's an input input for legacy config file support if no other
// identifiers are present
default:
if err = c.addInput(name, subTable); err != nil {
return err
}
}
}
return nil
}
func (c *Config) addOutput(name string, table *ast.Table) error {
if len(c.OutputFilters) > 0 && !sliceContains(name, c.OutputFilters) {
return nil
}
creator, ok := outputs.Outputs[name]
if !ok {
return fmt.Errorf("Undefined but requested output: %s", name)
}
output := creator()
// If the output has a SetSerializer function, then this means it can write
// arbitrary types of output, so build the serializer and set it.
switch t := output.(type) {
case serializers.SerializerOutput:
serializer, err := buildSerializer(name, table)
if err != nil {
return err
}
t.SetSerializer(serializer)
}
outputConfig, err := buildOutput(name, table)
if err != nil {
return err
}
if err := config.UnmarshalTable(table, output); err != nil {
return err
}
ro := internal_models.NewRunningOutput(name, output, outputConfig)
if c.Agent.MetricBufferLimit > 0 {
ro.MetricBufferLimit = c.Agent.MetricBufferLimit
}
ro.FlushBufferWhenFull = c.Agent.FlushBufferWhenFull
ro.Quiet = c.Agent.Quiet
c.Outputs = append(c.Outputs, ro)
return nil
}
func (c *Config) addInput(name string, table *ast.Table) error {
if len(c.InputFilters) > 0 && !sliceContains(name, c.InputFilters) {
return nil
}
// Legacy support renaming io input to diskio
if name == "io" {
name = "diskio"
}
creator, ok := inputs.Inputs[name]
if !ok {
return fmt.Errorf("Undefined but requested input: %s", name)
}
input := creator()
// If the input has a SetParser function, then this means it can accept
// arbitrary types of input, so build the parser and set it.
switch t := input.(type) {
case parsers.ParserInput:
parser, err := buildParser(name, table)
if err != nil {
return err
}
t.SetParser(parser)
}
pluginConfig, err := buildInput(name, table)
if err != nil {
return err
}
if err := config.UnmarshalTable(table, input); err != nil {
return err
}
rp := &internal_models.RunningInput{
Name: name,
Input: input,
Config: pluginConfig,
}
c.Inputs = append(c.Inputs, rp)
return nil
}
// buildFilter builds a Filter (tagpass/tagdrop/pass/drop) to
// be inserted into the internal_models.OutputConfig/internal_models.InputConfig to be used for prefix
// filtering on tags and measurements
func buildFilter(tbl *ast.Table) internal_models.Filter {
f := internal_models.Filter{}
if node, ok := tbl.Fields["pass"]; ok {
if kv, ok := node.(*ast.KeyValue); ok {
if ary, ok := kv.Value.(*ast.Array); ok {
for _, elem := range ary.Value {
if str, ok := elem.(*ast.String); ok {
f.Pass = append(f.Pass, str.Value)
f.IsActive = true
}
}
}
}
}
if node, ok := tbl.Fields["drop"]; ok {
if kv, ok := node.(*ast.KeyValue); ok {
if ary, ok := kv.Value.(*ast.Array); ok {
for _, elem := range ary.Value {
if str, ok := elem.(*ast.String); ok {
f.Drop = append(f.Drop, str.Value)
f.IsActive = true
}
}
}
}
}
if node, ok := tbl.Fields["tagpass"]; ok {
if subtbl, ok := node.(*ast.Table); ok {
for name, val := range subtbl.Fields {
if kv, ok := val.(*ast.KeyValue); ok {
tagfilter := &internal_models.TagFilter{Name: name}
if ary, ok := kv.Value.(*ast.Array); ok {
for _, elem := range ary.Value {
if str, ok := elem.(*ast.String); ok {
tagfilter.Filter = append(tagfilter.Filter, str.Value)
}
}
}
f.TagPass = append(f.TagPass, *tagfilter)
f.IsActive = true
}
}
}
}
if node, ok := tbl.Fields["tagdrop"]; ok {
if subtbl, ok := node.(*ast.Table); ok {
for name, val := range subtbl.Fields {
if kv, ok := val.(*ast.KeyValue); ok {
tagfilter := &internal_models.TagFilter{Name: name}
if ary, ok := kv.Value.(*ast.Array); ok {
for _, elem := range ary.Value {
if str, ok := elem.(*ast.String); ok {
tagfilter.Filter = append(tagfilter.Filter, str.Value)
}
}
}
f.TagDrop = append(f.TagDrop, *tagfilter)
f.IsActive = true
}
}
}
}
delete(tbl.Fields, "drop")
delete(tbl.Fields, "pass")
delete(tbl.Fields, "tagdrop")
delete(tbl.Fields, "tagpass")
return f
}
// buildInput parses input specific items from the ast.Table,
// builds the filter and returns a
// internal_models.InputConfig to be inserted into internal_models.RunningInput
func buildInput(name string, tbl *ast.Table) (*internal_models.InputConfig, error) {
cp := &internal_models.InputConfig{Name: name}
if node, ok := tbl.Fields["interval"]; ok {
if kv, ok := node.(*ast.KeyValue); ok {
if str, ok := kv.Value.(*ast.String); ok {
dur, err := time.ParseDuration(str.Value)
if err != nil {
return nil, err
}
cp.Interval = dur
}
}
}
if node, ok := tbl.Fields["name_prefix"]; ok {
if kv, ok := node.(*ast.KeyValue); ok {
if str, ok := kv.Value.(*ast.String); ok {
cp.MeasurementPrefix = str.Value
}
}
}
if node, ok := tbl.Fields["name_suffix"]; ok {
if kv, ok := node.(*ast.KeyValue); ok {
if str, ok := kv.Value.(*ast.String); ok {
cp.MeasurementSuffix = str.Value
}
}
}
if node, ok := tbl.Fields["name_override"]; ok {
if kv, ok := node.(*ast.KeyValue); ok {
if str, ok := kv.Value.(*ast.String); ok {
cp.NameOverride = str.Value
}
}
}
cp.Tags = make(map[string]string)
if node, ok := tbl.Fields["tags"]; ok {
if subtbl, ok := node.(*ast.Table); ok {
if err := config.UnmarshalTable(subtbl, cp.Tags); err != nil {
log.Printf("Could not parse tags for input %s\n", name)
}
}
}
delete(tbl.Fields, "name_prefix")
delete(tbl.Fields, "name_suffix")
delete(tbl.Fields, "name_override")
delete(tbl.Fields, "interval")
delete(tbl.Fields, "tags")
cp.Filter = buildFilter(tbl)
return cp, nil
}
// buildParser grabs the necessary entries from the ast.Table for creating
// a parsers.Parser object, and creates it, which can then be added onto
// an Input object.
func buildParser(name string, tbl *ast.Table) (parsers.Parser, error) {
c := &parsers.Config{}
if node, ok := tbl.Fields["data_format"]; ok {
if kv, ok := node.(*ast.KeyValue); ok {
if str, ok := kv.Value.(*ast.String); ok {
c.DataFormat = str.Value
}
}
}
// Legacy support, exec plugin originally parsed JSON by default.
if name == "exec" && c.DataFormat == "" {
c.DataFormat = "json"
} else if c.DataFormat == "" {
c.DataFormat = "influx"
}
if node, ok := tbl.Fields["separator"]; ok {
if kv, ok := node.(*ast.KeyValue); ok {
if str, ok := kv.Value.(*ast.String); ok {
c.Separator = str.Value
}
}
}
if node, ok := tbl.Fields["templates"]; ok {
if kv, ok := node.(*ast.KeyValue); ok {
if ary, ok := kv.Value.(*ast.Array); ok {
for _, elem := range ary.Value {
if str, ok := elem.(*ast.String); ok {
c.Templates = append(c.Templates, str.Value)
}
}
}
}
}
if node, ok := tbl.Fields["tag_keys"]; ok {
if kv, ok := node.(*ast.KeyValue); ok {
if ary, ok := kv.Value.(*ast.Array); ok {
for _, elem := range ary.Value {
if str, ok := elem.(*ast.String); ok {
c.TagKeys = append(c.TagKeys, str.Value)
}
}
}
}
}
c.MetricName = name
delete(tbl.Fields, "data_format")
delete(tbl.Fields, "separator")
delete(tbl.Fields, "templates")
delete(tbl.Fields, "tag_keys")
return parsers.NewParser(c)
}
// buildSerializer grabs the necessary entries from the ast.Table for creating
// a serializers.Serializer object, and creates it, which can then be added onto
// an Output object.
func buildSerializer(name string, tbl *ast.Table) (serializers.Serializer, error) {
c := &serializers.Config{}
if node, ok := tbl.Fields["data_format"]; ok {
if kv, ok := node.(*ast.KeyValue); ok {
if str, ok := kv.Value.(*ast.String); ok {
c.DataFormat = str.Value
}
}
}
if c.DataFormat == "" {
c.DataFormat = "influx"
}
if node, ok := tbl.Fields["prefix"]; ok {
if kv, ok := node.(*ast.KeyValue); ok {
if str, ok := kv.Value.(*ast.String); ok {
c.Prefix = str.Value
}
}
}
delete(tbl.Fields, "data_format")
delete(tbl.Fields, "prefix")
return serializers.NewSerializer(c)
}
// buildOutput parses output specific items from the ast.Table, builds the filter and returns an
// internal_models.OutputConfig to be inserted into internal_models.RunningInput
// Note: error exists in the return for future calls that might require error
func buildOutput(name string, tbl *ast.Table) (*internal_models.OutputConfig, error) {
oc := &internal_models.OutputConfig{
Name: name,
Filter: buildFilter(tbl),
}
return oc, nil
}

View File

@ -0,0 +1,125 @@
package config
import (
"testing"
"time"
"github.com/influxdata/telegraf/internal/models"
"github.com/influxdata/telegraf/plugins/inputs"
"github.com/influxdata/telegraf/plugins/inputs/exec"
"github.com/influxdata/telegraf/plugins/inputs/memcached"
"github.com/influxdata/telegraf/plugins/inputs/procstat"
"github.com/influxdata/telegraf/plugins/parsers"
"github.com/stretchr/testify/assert"
)
func TestConfig_LoadSingleInput(t *testing.T) {
c := NewConfig()
c.LoadConfig("./testdata/single_plugin.toml")
memcached := inputs.Inputs["memcached"]().(*memcached.Memcached)
memcached.Servers = []string{"localhost"}
mConfig := &internal_models.InputConfig{
Name: "memcached",
Filter: internal_models.Filter{
Drop: []string{"other", "stuff"},
Pass: []string{"some", "strings"},
TagDrop: []internal_models.TagFilter{
internal_models.TagFilter{
Name: "badtag",
Filter: []string{"othertag"},
},
},
TagPass: []internal_models.TagFilter{
internal_models.TagFilter{
Name: "goodtag",
Filter: []string{"mytag"},
},
},
IsActive: true,
},
Interval: 5 * time.Second,
}
mConfig.Tags = make(map[string]string)
assert.Equal(t, memcached, c.Inputs[0].Input,
"Testdata did not produce a correct memcached struct.")
assert.Equal(t, mConfig, c.Inputs[0].Config,
"Testdata did not produce correct memcached metadata.")
}
func TestConfig_LoadDirectory(t *testing.T) {
c := NewConfig()
err := c.LoadConfig("./testdata/single_plugin.toml")
if err != nil {
t.Error(err)
}
err = c.LoadDirectory("./testdata/subconfig")
if err != nil {
t.Error(err)
}
memcached := inputs.Inputs["memcached"]().(*memcached.Memcached)
memcached.Servers = []string{"localhost"}
mConfig := &internal_models.InputConfig{
Name: "memcached",
Filter: internal_models.Filter{
Drop: []string{"other", "stuff"},
Pass: []string{"some", "strings"},
TagDrop: []internal_models.TagFilter{
internal_models.TagFilter{
Name: "badtag",
Filter: []string{"othertag"},
},
},
TagPass: []internal_models.TagFilter{
internal_models.TagFilter{
Name: "goodtag",
Filter: []string{"mytag"},
},
},
IsActive: true,
},
Interval: 5 * time.Second,
}
mConfig.Tags = make(map[string]string)
assert.Equal(t, memcached, c.Inputs[0].Input,
"Testdata did not produce a correct memcached struct.")
assert.Equal(t, mConfig, c.Inputs[0].Config,
"Testdata did not produce correct memcached metadata.")
ex := inputs.Inputs["exec"]().(*exec.Exec)
p, err := parsers.NewJSONParser("exec", nil, nil)
assert.NoError(t, err)
ex.SetParser(p)
ex.Command = "/usr/bin/myothercollector --foo=bar"
eConfig := &internal_models.InputConfig{
Name: "exec",
MeasurementSuffix: "_myothercollector",
}
eConfig.Tags = make(map[string]string)
assert.Equal(t, ex, c.Inputs[1].Input,
"Merged Testdata did not produce a correct exec struct.")
assert.Equal(t, eConfig, c.Inputs[1].Config,
"Merged Testdata did not produce correct exec metadata.")
memcached.Servers = []string{"192.168.1.1"}
assert.Equal(t, memcached, c.Inputs[2].Input,
"Testdata did not produce a correct memcached struct.")
assert.Equal(t, mConfig, c.Inputs[2].Config,
"Testdata did not produce correct memcached metadata.")
pstat := inputs.Inputs["procstat"]().(*procstat.Procstat)
pstat.PidFile = "/var/run/grafana-server.pid"
pConfig := &internal_models.InputConfig{Name: "procstat"}
pConfig.Tags = make(map[string]string)
assert.Equal(t, pstat, c.Inputs[3].Input,
"Merged Testdata did not produce a correct procstat struct.")
assert.Equal(t, pConfig, c.Inputs[3].Config,
"Merged Testdata did not produce correct procstat metadata.")
}

View File

@ -1,9 +1,7 @@
[[inputs.memcached]]
servers = ["localhost"]
namepass = ["metricname1"]
namedrop = ["metricname2"]
fieldpass = ["some", "strings"]
fielddrop = ["other", "stuff"]
pass = ["some", "strings"]
drop = ["other", "stuff"]
interval = "5s"
[inputs.memcached.tagpass]
goodtag = ["mytag"]

View File

@ -1,7 +1,5 @@
[[inputs.memcached]]
servers = ["192.168.1.1"]
namepass = ["metricname1"]
namedrop = ["metricname2"]
pass = ["some", "strings"]
drop = ["other", "stuff"]
interval = "5s"

View File

@ -60,7 +60,7 @@
# Kafka topic for producer messages
topic = "telegraf"
# Telegraf tag to use as a routing key
# ie, if this tag exists, its value will be used as the routing key
# ie, if this tag exists, it's value will be used as the routing key
routing_tag = "host"
@ -143,31 +143,19 @@
[[inputs.diskio]]
# no configuration
# read metrics from a Kafka 0.9+ topic
# read metrics from a Kafka topic
[[inputs.kafka_consumer]]
## kafka brokers
brokers = ["localhost:9092"]
## topic(s) to consume
topics = ["telegraf"]
## the name of the consumer group
consumer_group = "telegraf_metrics_consumers"
## Offset (must be either "oldest" or "newest")
offset = "oldest"
# read metrics from a Kafka legacy topic
[[inputs.kafka_consumer_legacy]]
## topic(s) to consume
# topic(s) to consume
topics = ["telegraf"]
# an array of Zookeeper connection strings
zookeeper_peers = ["localhost:2181"]
## the name of the consumer group
# the name of the consumer group
consumer_group = "telegraf_metrics_consumers"
# Maximum number of points to buffer between collection intervals
point_buffer = 100000
## Offset (must be either "oldest" or "newest")
# Offset (must be either "oldest" or "newest")
offset = "oldest"
# Read metrics from a LeoFS Server via SNMP
[[inputs.leofs]]
# An array of URI to gather stats about LeoFS.
@ -256,7 +244,7 @@
# specify address via a url matching:
# postgres://[pqgotest[:password]]@localhost[/dbname]?sslmode=[disable|verify-ca|verify-full]
# or a simple string:
# host=localhost user=pqgotest password=... sslmode=... dbname=app_production
# host=localhost user=pqotest password=... sslmode=... dbname=app_production
#
# All connection parameters are optional. By default, the host is localhost
# and the user is the currently running user. For localhost, we default

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@ -1,182 +0,0 @@
package internal
import (
"bufio"
"bytes"
"compress/gzip"
"errors"
"io"
)
// NewStreamContentDecoder returns a reader that will decode the stream
// according to the encoding type.
func NewStreamContentDecoder(encoding string, r io.Reader) (io.Reader, error) {
switch encoding {
case "gzip":
return NewGzipReader(r)
case "identity", "":
return r, nil
default:
return nil, errors.New("invalid value for content_encoding")
}
}
// GzipReader is similar to gzip.Reader but reads only a single gzip stream per read.
type GzipReader struct {
r io.Reader
z *gzip.Reader
endOfStream bool
}
func NewGzipReader(r io.Reader) (io.Reader, error) {
// We need a read that implements ByteReader in order to line up the next
// stream.
br := bufio.NewReader(r)
// Reads the first gzip stream header.
z, err := gzip.NewReader(br)
if err != nil {
return nil, err
}
// Prevent future calls to Read from reading the following gzip header.
z.Multistream(false)
return &GzipReader{r: br, z: z}, nil
}
func (r *GzipReader) Read(b []byte) (int, error) {
if r.endOfStream {
// Reads the next gzip header and prepares for the next stream.
err := r.z.Reset(r.r)
if err != nil {
return 0, err
}
r.z.Multistream(false)
r.endOfStream = false
}
n, err := r.z.Read(b)
// Since multistream is disabled, io.EOF indicates the end of the gzip
// sequence. On the next read we must read the next gzip header.
if err == io.EOF {
r.endOfStream = true
return n, nil
}
return n, err
}
// NewContentEncoder returns a ContentEncoder for the encoding type.
func NewContentEncoder(encoding string) (ContentEncoder, error) {
switch encoding {
case "gzip":
return NewGzipEncoder()
case "identity", "":
return NewIdentityEncoder(), nil
default:
return nil, errors.New("invalid value for content_encoding")
}
}
// NewContentDecoder returns a ContentDecoder for the encoding type.
func NewContentDecoder(encoding string) (ContentDecoder, error) {
switch encoding {
case "gzip":
return NewGzipDecoder()
case "identity", "":
return NewIdentityDecoder(), nil
default:
return nil, errors.New("invalid value for content_encoding")
}
}
// ContentEncoder applies a wrapper encoding to byte buffers.
type ContentEncoder interface {
Encode([]byte) ([]byte, error)
}
// GzipEncoder compresses the buffer using gzip at the default level.
type GzipEncoder struct {
writer *gzip.Writer
buf *bytes.Buffer
}
func NewGzipEncoder() (*GzipEncoder, error) {
var buf bytes.Buffer
return &GzipEncoder{
writer: gzip.NewWriter(&buf),
buf: &buf,
}, nil
}
func (e *GzipEncoder) Encode(data []byte) ([]byte, error) {
e.buf.Reset()
e.writer.Reset(e.buf)
_, err := e.writer.Write(data)
if err != nil {
return nil, err
}
err = e.writer.Close()
if err != nil {
return nil, err
}
return e.buf.Bytes(), nil
}
// IdentityEncoder is a null encoder that applies no transformation.
type IdentityEncoder struct{}
func NewIdentityEncoder() *IdentityEncoder {
return &IdentityEncoder{}
}
func (*IdentityEncoder) Encode(data []byte) ([]byte, error) {
return data, nil
}
// ContentDecoder removes a wrapper encoding from byte buffers.
type ContentDecoder interface {
Decode([]byte) ([]byte, error)
}
// GzipDecoder decompresses buffers with gzip compression.
type GzipDecoder struct {
reader *gzip.Reader
buf *bytes.Buffer
}
func NewGzipDecoder() (*GzipDecoder, error) {
return &GzipDecoder{
reader: new(gzip.Reader),
buf: new(bytes.Buffer),
}, nil
}
func (d *GzipDecoder) Decode(data []byte) ([]byte, error) {
d.reader.Reset(bytes.NewBuffer(data))
d.buf.Reset()
_, err := d.buf.ReadFrom(d.reader)
if err != nil && err != io.EOF {
return nil, err
}
err = d.reader.Close()
if err != nil {
return nil, err
}
return d.buf.Bytes(), nil
}
// IdentityDecoder is a null decoder that returns the input.
type IdentityDecoder struct{}
func NewIdentityDecoder() *IdentityDecoder {
return &IdentityDecoder{}
}
func (*IdentityDecoder) Decode(data []byte) ([]byte, error) {
return data, nil
}

View File

@ -1,94 +0,0 @@
package internal
import (
"bytes"
"io/ioutil"
"testing"
"github.com/stretchr/testify/require"
)
func TestGzipEncodeDecode(t *testing.T) {
enc, err := NewGzipEncoder()
require.NoError(t, err)
dec, err := NewGzipDecoder()
require.NoError(t, err)
payload, err := enc.Encode([]byte("howdy"))
require.NoError(t, err)
actual, err := dec.Decode(payload)
require.NoError(t, err)
require.Equal(t, "howdy", string(actual))
}
func TestGzipReuse(t *testing.T) {
enc, err := NewGzipEncoder()
require.NoError(t, err)
dec, err := NewGzipDecoder()
require.NoError(t, err)
payload, err := enc.Encode([]byte("howdy"))
require.NoError(t, err)
actual, err := dec.Decode(payload)
require.NoError(t, err)
require.Equal(t, "howdy", string(actual))
payload, err = enc.Encode([]byte("doody"))
require.NoError(t, err)
actual, err = dec.Decode(payload)
require.NoError(t, err)
require.Equal(t, "doody", string(actual))
}
func TestIdentityEncodeDecode(t *testing.T) {
enc := NewIdentityEncoder()
dec := NewIdentityDecoder()
payload, err := enc.Encode([]byte("howdy"))
require.NoError(t, err)
actual, err := dec.Decode(payload)
require.NoError(t, err)
require.Equal(t, "howdy", string(actual))
}
func TestStreamIdentityDecode(t *testing.T) {
var r bytes.Buffer
n, err := r.Write([]byte("howdy"))
require.NoError(t, err)
require.Equal(t, 5, n)
dec, err := NewStreamContentDecoder("identity", &r)
require.NoError(t, err)
data, err := ioutil.ReadAll(dec)
require.NoError(t, err)
require.Equal(t, []byte("howdy"), data)
}
func TestStreamGzipDecode(t *testing.T) {
enc, err := NewGzipEncoder()
require.NoError(t, err)
written, err := enc.Encode([]byte("howdy"))
require.NoError(t, err)
w := bytes.NewBuffer(written)
dec, err := NewStreamContentDecoder("gzip", w)
require.NoError(t, err)
b := make([]byte, 10)
n, err := dec.Read(b)
require.NoError(t, err)
require.Equal(t, 5, n)
require.Equal(t, []byte("howdy"), b[:n])
}

View File

@ -1,36 +0,0 @@
package docker
import "strings"
// Adapts some of the logic from the actual Docker library's image parsing
// routines:
// https://github.com/docker/distribution/blob/release/2.7/reference/normalize.go
func ParseImage(image string) (string, string) {
domain := ""
remainder := ""
i := strings.IndexRune(image, '/')
if i == -1 || (!strings.ContainsAny(image[:i], ".:") && image[:i] != "localhost") {
remainder = image
} else {
domain, remainder = image[:i], image[i+1:]
}
imageName := ""
imageVersion := "unknown"
i = strings.LastIndex(remainder, ":")
if i > -1 {
imageVersion = remainder[i+1:]
imageName = remainder[:i]
} else {
imageName = remainder
}
if domain != "" {
imageName = domain + "/" + imageName
}
return imageName, imageVersion
}

View File

@ -1,59 +0,0 @@
package docker_test
import (
"testing"
"github.com/influxdata/telegraf/internal/docker"
"github.com/stretchr/testify/require"
)
func TestParseImage(t *testing.T) {
tests := []struct {
image string
parsedName string
parsedVersion string
}{
{
image: "postgres",
parsedName: "postgres",
parsedVersion: "unknown",
},
{
image: "postgres:latest",
parsedName: "postgres",
parsedVersion: "latest",
},
{
image: "coreos/etcd",
parsedName: "coreos/etcd",
parsedVersion: "unknown",
},
{
image: "coreos/etcd:latest",
parsedName: "coreos/etcd",
parsedVersion: "latest",
},
{
image: "quay.io/postgres",
parsedName: "quay.io/postgres",
parsedVersion: "unknown",
},
{
image: "quay.io:4443/coreos/etcd",
parsedName: "quay.io:4443/coreos/etcd",
parsedVersion: "unknown",
},
{
image: "quay.io:4443/coreos/etcd:latest",
parsedName: "quay.io:4443/coreos/etcd",
parsedVersion: "latest",
},
}
for _, tt := range tests {
t.Run("parse name "+tt.image, func(t *testing.T) {
imageName, imageVersion := docker.ParseImage(tt.image)
require.Equal(t, tt.parsedName, imageName)
require.Equal(t, tt.parsedVersion, imageVersion)
})
}
}

View File

@ -1,30 +0,0 @@
package internal
import (
"bytes"
"os/exec"
"time"
)
// CombinedOutputTimeout runs the given command with the given timeout and
// returns the combined output of stdout and stderr.
// If the command times out, it attempts to kill the process.
func CombinedOutputTimeout(c *exec.Cmd, timeout time.Duration) ([]byte, error) {
var b bytes.Buffer
c.Stdout = &b
c.Stderr = &b
if err := c.Start(); err != nil {
return nil, err
}
err := WaitTimeout(c, timeout)
return b.Bytes(), err
}
// RunTimeout runs the given command with the given timeout.
// If the command times out, it attempts to kill the process.
func RunTimeout(c *exec.Cmd, timeout time.Duration) error {
if err := c.Start(); err != nil {
return err
}
return WaitTimeout(c, timeout)
}

View File

@ -1,58 +0,0 @@
// +build !windows
package internal
import (
"log"
"os/exec"
"syscall"
"time"
)
// KillGrace is the amount of time we allow a process to shutdown before
// sending a SIGKILL.
const KillGrace = 5 * time.Second
// WaitTimeout waits for the given command to finish with a timeout.
// It assumes the command has already been started.
// If the command times out, it attempts to kill the process.
func WaitTimeout(c *exec.Cmd, timeout time.Duration) error {
var kill *time.Timer
term := time.AfterFunc(timeout, func() {
err := c.Process.Signal(syscall.SIGTERM)
if err != nil {
log.Printf("E! [agent] Error terminating process: %s", err)
return
}
kill = time.AfterFunc(KillGrace, func() {
err := c.Process.Kill()
if err != nil {
log.Printf("E! [agent] Error killing process: %s", err)
return
}
})
})
err := c.Wait()
// Shutdown all timers
if kill != nil {
kill.Stop()
}
termSent := !term.Stop()
// If the process exited without error treat it as success. This allows a
// process to do a clean shutdown on signal.
if err == nil {
return nil
}
// If SIGTERM was sent then treat any process error as a timeout.
if termSent {
return TimeoutErr
}
// Otherwise there was an error unrelated to termination.
return err
}

View File

@ -1,41 +0,0 @@
// +build windows
package internal
import (
"log"
"os/exec"
"time"
)
// WaitTimeout waits for the given command to finish with a timeout.
// It assumes the command has already been started.
// If the command times out, it attempts to kill the process.
func WaitTimeout(c *exec.Cmd, timeout time.Duration) error {
timer := time.AfterFunc(timeout, func() {
err := c.Process.Kill()
if err != nil {
log.Printf("E! [agent] Error killing process: %s", err)
return
}
})
err := c.Wait()
// Shutdown all timers
termSent := !timer.Stop()
// If the process exited without error treat it as success. This allows a
// process to do a clean shutdown on signal.
if err == nil {
return nil
}
// If SIGTERM was sent then treat any process error as a timeout.
if termSent {
return TimeoutErr
}
// Otherwise there was an error unrelated to termination.
return err
}

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@ -1,122 +0,0 @@
package globpath
import (
"os"
"path/filepath"
"strings"
"github.com/gobwas/glob"
"github.com/karrick/godirwalk"
)
type GlobPath struct {
path string
hasMeta bool
HasSuperMeta bool
rootGlob string
g glob.Glob
}
func Compile(path string) (*GlobPath, error) {
out := GlobPath{
hasMeta: hasMeta(path),
HasSuperMeta: hasSuperMeta(path),
path: filepath.FromSlash(path),
}
// if there are no glob meta characters in the path, don't bother compiling
// a glob object
if !out.hasMeta || !out.HasSuperMeta {
return &out, nil
}
// find the root elements of the object path, the entry point for recursion
// when you have a super-meta in your path (which are :
// glob(/your/expression/until/first/star/of/super-meta))
out.rootGlob = path[:strings.Index(path, "**")+1]
var err error
if out.g, err = glob.Compile(path, os.PathSeparator); err != nil {
return nil, err
}
return &out, nil
}
// Match returns all files matching the expression.
// If it's a static path, returns path.
// All returned path will have the host platform separator.
func (g *GlobPath) Match() []string {
if !g.hasMeta {
return []string{g.path}
}
if !g.HasSuperMeta {
files, _ := filepath.Glob(g.path)
return files
}
roots, err := filepath.Glob(g.rootGlob)
if err != nil {
return []string{}
}
out := []string{}
walkfn := func(path string, _ *godirwalk.Dirent) error {
if g.g.Match(path) {
out = append(out, path)
}
return nil
}
for _, root := range roots {
fileinfo, err := os.Stat(root)
if err != nil {
continue
}
if !fileinfo.IsDir() {
if g.MatchString(root) {
out = append(out, root)
}
continue
}
godirwalk.Walk(root, &godirwalk.Options{
Callback: walkfn,
Unsorted: true,
})
}
return out
}
// MatchString tests the path string against the glob. The path should contain
// the host platform separator.
func (g *GlobPath) MatchString(path string) bool {
if !g.HasSuperMeta {
res, _ := filepath.Match(g.path, path)
return res
}
return g.g.Match(path)
}
// GetRoots returns a list of files and directories which should be optimal
// prefixes of matching files when you have a super-meta in your expression :
// - any directory under these roots may contain a matching file
// - no file outside of these roots can match the pattern
// Note that it returns both files and directories.
// All returned path will have the host platform separator.
func (g *GlobPath) GetRoots() []string {
if !g.hasMeta {
return []string{g.path}
}
if !g.HasSuperMeta {
matches, _ := filepath.Glob(g.path)
return matches
}
roots, _ := filepath.Glob(g.rootGlob)
return roots
}
// hasMeta reports whether path contains any magic glob characters.
func hasMeta(path string) bool {
return strings.IndexAny(path, "*?[") >= 0
}
// hasSuperMeta reports whether path contains any super magic glob characters (**).
func hasSuperMeta(path string) bool {
return strings.Index(path, "**") >= 0
}

View File

@ -1,100 +0,0 @@
package globpath
import (
"runtime"
"strings"
"testing"
"github.com/stretchr/testify/require"
)
func TestCompileAndMatch(t *testing.T) {
dir := getTestdataDir()
// test super asterisk
g1, err := Compile(dir + "/**")
require.NoError(t, err)
// test single asterisk
g2, err := Compile(dir + "/*.log")
require.NoError(t, err)
// test no meta characters (file exists)
g3, err := Compile(dir + "/log1.log")
require.NoError(t, err)
// test file that doesn't exist
g4, err := Compile(dir + "/i_dont_exist.log")
require.NoError(t, err)
// test super asterisk that doesn't exist
g5, err := Compile(dir + "/dir_doesnt_exist/**")
require.NoError(t, err)
matches := g1.Match()
require.Len(t, matches, 6)
matches = g2.Match()
require.Len(t, matches, 2)
matches = g3.Match()
require.Len(t, matches, 1)
matches = g4.Match()
require.Len(t, matches, 1)
matches = g5.Match()
require.Len(t, matches, 0)
}
func TestRootGlob(t *testing.T) {
dir := getTestdataDir()
tests := []struct {
input string
output string
}{
{dir + "/**", dir + "/*"},
{dir + "/nested?/**", dir + "/nested?/*"},
{dir + "/ne**/nest*", dir + "/ne*"},
{dir + "/nested?/*", ""},
}
for _, test := range tests {
actual, _ := Compile(test.input)
require.Equal(t, actual.rootGlob, test.output)
}
}
func TestFindNestedTextFile(t *testing.T) {
dir := getTestdataDir()
// test super asterisk
g1, err := Compile(dir + "/**.txt")
require.NoError(t, err)
matches := g1.Match()
require.Len(t, matches, 1)
}
func getTestdataDir() string {
_, filename, _, _ := runtime.Caller(1)
return strings.Replace(filename, "globpath_test.go", "testdata", 1)
}
func TestMatch_ErrPermission(t *testing.T) {
tests := []struct {
input string
expected []string
}{
{"/root/foo", []string{"/root/foo"}},
{"/root/f*", []string(nil)},
}
for _, test := range tests {
glob, err := Compile(test.input)
require.NoError(t, err)
actual := glob.Match()
require.Equal(t, test.expected, actual)
}
}
func TestWindowsSeparator(t *testing.T) {
if runtime.GOOS != "windows" {
t.Skip("Skipping Windows only test")
}
glob, err := Compile("testdata/nested1")
require.NoError(t, err)
ok := glob.MatchString("testdata\\nested1")
require.True(t, ok)
}

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View File

View File

@ -1,5 +0,0 @@
# this is a fake testing config file
# for testing the filestat plugin
option1 = "foo"
option2 = "bar"

View File

@ -1,9 +0,0 @@
// +build !goplugin
package goplugin
import "errors"
func LoadExternalPlugins(rootDir string) error {
return errors.New("go plugin support is not enabled")
}

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@ -1,42 +0,0 @@
// +build goplugin
package goplugin
import (
"fmt"
"os"
"path"
"path/filepath"
"plugin"
"strings"
)
// loadExternalPlugins loads external plugins from shared libraries (.so, .dll, etc.)
// in the specified directory.
func LoadExternalPlugins(rootDir string) error {
return filepath.Walk(rootDir, func(pth string, info os.FileInfo, err error) error {
// Stop if there was an error.
if err != nil {
return err
}
// Ignore directories.
if info.IsDir() {
return nil
}
// Ignore files that aren't shared libraries.
ext := strings.ToLower(path.Ext(pth))
if ext != ".so" && ext != ".dll" {
return nil
}
// Load plugin.
_, err = plugin.Open(pth)
if err != nil {
return fmt.Errorf("error loading %s: %s", pth, err)
}
return nil
})
}

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@ -1,108 +0,0 @@
package internal
import (
"crypto/subtle"
"net"
"net/http"
"net/url"
)
type BasicAuthErrorFunc func(rw http.ResponseWriter)
// AuthHandler returns a http handler that requires HTTP basic auth
// credentials to match the given username and password.
func AuthHandler(username, password, realm string, onError BasicAuthErrorFunc) func(h http.Handler) http.Handler {
return func(h http.Handler) http.Handler {
return &basicAuthHandler{
username: username,
password: password,
realm: realm,
onError: onError,
next: h,
}
}
}
type basicAuthHandler struct {
username string
password string
realm string
onError BasicAuthErrorFunc
next http.Handler
}
func (h *basicAuthHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
if h.username != "" || h.password != "" {
reqUsername, reqPassword, ok := req.BasicAuth()
if !ok ||
subtle.ConstantTimeCompare([]byte(reqUsername), []byte(h.username)) != 1 ||
subtle.ConstantTimeCompare([]byte(reqPassword), []byte(h.password)) != 1 {
rw.Header().Set("WWW-Authenticate", "Basic realm=\""+h.realm+"\"")
h.onError(rw)
http.Error(rw, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
return
}
}
h.next.ServeHTTP(rw, req)
}
// ErrorFunc is a callback for writing an error response.
type ErrorFunc func(rw http.ResponseWriter, code int)
// IPRangeHandler returns a http handler that requires the remote address to be
// in the specified network.
func IPRangeHandler(network []*net.IPNet, onError ErrorFunc) func(h http.Handler) http.Handler {
return func(h http.Handler) http.Handler {
return &ipRangeHandler{
network: network,
onError: onError,
next: h,
}
}
}
type ipRangeHandler struct {
network []*net.IPNet
onError ErrorFunc
next http.Handler
}
func (h *ipRangeHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
if len(h.network) == 0 {
h.next.ServeHTTP(rw, req)
return
}
remoteIPString, _, err := net.SplitHostPort(req.RemoteAddr)
if err != nil {
h.onError(rw, http.StatusForbidden)
return
}
remoteIP := net.ParseIP(remoteIPString)
if remoteIP == nil {
h.onError(rw, http.StatusForbidden)
return
}
for _, net := range h.network {
if net.Contains(remoteIP) {
h.next.ServeHTTP(rw, req)
return
}
}
h.onError(rw, http.StatusForbidden)
}
func OnClientError(client *http.Client, err error) {
// Close connection after a timeout error. If this is a HTTP2
// connection this ensures that next interval a new connection will be
// used and name lookup will be performed.
// https://github.com/golang/go/issues/36026
if err, ok := err.(*url.Error); ok && err.Timeout() {
client.CloseIdleConnections()
}
}

View File

@ -2,145 +2,38 @@ package internal
import (
"bufio"
"bytes"
"compress/gzip"
"context"
"crypto/rand"
"crypto/tls"
"crypto/x509"
"errors"
"fmt"
"io"
"math"
"math/rand"
"io/ioutil"
"os"
"os/exec"
"runtime"
"strconv"
"strings"
"sync"
"syscall"
"time"
"unicode"
"github.com/alecthomas/units"
)
const alphanum string = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
var (
TimeoutErr = errors.New("Command timed out.")
NotImplementedError = errors.New("not implemented yet")
VersionAlreadySetError = errors.New("version has already been set")
)
// Set via the main module
var version string
// Duration just wraps time.Duration
type Duration struct {
Duration time.Duration
}
// Size just wraps an int64
type Size struct {
Size int64
}
type Number struct {
Value float64
}
type ReadWaitCloser struct {
pipeReader *io.PipeReader
wg sync.WaitGroup
}
// SetVersion sets the telegraf agent version
func SetVersion(v string) error {
if version != "" {
return VersionAlreadySetError
}
version = v
return nil
}
// Version returns the telegraf agent version
func Version() string {
return version
}
// ProductToken returns a tag for Telegraf that can be used in user agents.
func ProductToken() string {
return fmt.Sprintf("Telegraf/%s Go/%s",
Version(), strings.TrimPrefix(runtime.Version(), "go"))
}
// UnmarshalTOML parses the duration from the TOML config file
func (d *Duration) UnmarshalTOML(b []byte) error {
var err error
b = bytes.Trim(b, `'`)
// see if we can directly convert it
d.Duration, err = time.ParseDuration(string(b))
if err == nil {
return nil
}
// Parse string duration, ie, "1s"
if uq, err := strconv.Unquote(string(b)); err == nil && len(uq) > 0 {
d.Duration, err = time.ParseDuration(uq)
if err == nil {
return nil
}
}
// First try parsing as integer seconds
sI, err := strconv.ParseInt(string(b), 10, 64)
if err == nil {
d.Duration = time.Second * time.Duration(sI)
return nil
}
// Second try parsing as float seconds
sF, err := strconv.ParseFloat(string(b), 64)
if err == nil {
d.Duration = time.Second * time.Duration(sF)
return nil
}
return nil
}
func (s *Size) UnmarshalTOML(b []byte) error {
var err error
b = bytes.Trim(b, `'`)
val, err := strconv.ParseInt(string(b), 10, 64)
if err == nil {
s.Size = val
return nil
}
uq, err := strconv.Unquote(string(b))
if err != nil {
return err
}
val, err = units.ParseStrictBytes(uq)
if err != nil {
return err
}
s.Size = val
return nil
}
func (n *Number) UnmarshalTOML(b []byte) error {
value, err := strconv.ParseFloat(string(b), 64)
dur, err := time.ParseDuration(string(b[1 : len(b)-1]))
if err != nil {
return err
}
n.Value = value
d.Duration = dur
return nil
}
var NotImplementedError = errors.New("not implemented yet")
// ReadLines reads contents from a file and splits them by new lines.
// A convenience wrapper to ReadLinesOffsetN(filename, 0, -1).
func ReadLines(filename string) ([]string, error) {
@ -186,239 +79,99 @@ func RandomString(n int) string {
return string(bytes)
}
// SnakeCase converts the given string to snake case following the Golang format:
// acronyms are converted to lower-case and preceded by an underscore.
func SnakeCase(in string) string {
runes := []rune(in)
length := len(runes)
var out []rune
for i := 0; i < length; i++ {
if i > 0 && unicode.IsUpper(runes[i]) && ((i+1 < length && unicode.IsLower(runes[i+1])) || unicode.IsLower(runes[i-1])) {
out = append(out, '_')
}
out = append(out, unicode.ToLower(runes[i]))
}
return string(out)
}
// RandomSleep will sleep for a random amount of time up to max.
// If the shutdown channel is closed, it will return before it has finished
// sleeping.
func RandomSleep(max time.Duration, shutdown chan struct{}) {
if max == 0 {
return
}
sleepns := rand.Int63n(max.Nanoseconds())
t := time.NewTimer(time.Nanosecond * time.Duration(sleepns))
select {
case <-t.C:
return
case <-shutdown:
t.Stop()
return
}
}
// RandomDuration returns a random duration between 0 and max.
func RandomDuration(max time.Duration) time.Duration {
if max == 0 {
return 0
}
sleepns := rand.Int63n(max.Nanoseconds())
return time.Duration(sleepns)
}
// SleepContext sleeps until the context is closed or the duration is reached.
func SleepContext(ctx context.Context, duration time.Duration) error {
if duration == 0 {
return nil
}
t := time.NewTimer(duration)
select {
case <-t.C:
return nil
case <-ctx.Done():
t.Stop()
return ctx.Err()
}
}
// AlignDuration returns the duration until next aligned interval.
// If the current time is aligned a 0 duration is returned.
func AlignDuration(tm time.Time, interval time.Duration) time.Duration {
return AlignTime(tm, interval).Sub(tm)
}
// AlignTime returns the time of the next aligned interval.
// If the current time is aligned the current time is returned.
func AlignTime(tm time.Time, interval time.Duration) time.Time {
truncated := tm.Truncate(interval)
if truncated == tm {
return tm
}
return truncated.Add(interval)
}
// Exit status takes the error from exec.Command
// and returns the exit status and true
// if error is not exit status, will return 0 and false
func ExitStatus(err error) (int, bool) {
if exiterr, ok := err.(*exec.ExitError); ok {
if status, ok := exiterr.Sys().(syscall.WaitStatus); ok {
return status.ExitStatus(), true
}
}
return 0, false
}
func (r *ReadWaitCloser) Close() error {
err := r.pipeReader.Close()
r.wg.Wait() // wait for the gzip goroutine finish
return err
}
// CompressWithGzip takes an io.Reader as input and pipes
// it through a gzip.Writer returning an io.Reader containing
// the gzipped data.
// An error is returned if passing data to the gzip.Writer fails
func CompressWithGzip(data io.Reader) (io.ReadCloser, error) {
pipeReader, pipeWriter := io.Pipe()
gzipWriter := gzip.NewWriter(pipeWriter)
rc := &ReadWaitCloser{
pipeReader: pipeReader,
}
rc.wg.Add(1)
var err error
go func() {
_, err = io.Copy(gzipWriter, data)
gzipWriter.Close()
// subsequent reads from the read half of the pipe will
// return no bytes and the error err, or EOF if err is nil.
pipeWriter.CloseWithError(err)
rc.wg.Done()
}()
return pipeReader, err
}
// ParseTimestamp parses a Time according to the standard Telegraf options.
// These are generally displayed in the toml similar to:
// json_time_key= "timestamp"
// json_time_format = "2006-01-02T15:04:05Z07:00"
// json_timezone = "America/Los_Angeles"
//
// The format can be one of "unix", "unix_ms", "unix_us", "unix_ns", or a Go
// time layout suitable for time.Parse.
//
// When using the "unix" format, a optional fractional component is allowed.
// Specific unix time precisions cannot have a fractional component.
//
// Unix times may be an int64, float64, or string. When using a Go format
// string the timestamp must be a string.
//
// The location is a location string suitable for time.LoadLocation. Unix
// times do not use the location string, a unix time is always return in the
// UTC location.
func ParseTimestamp(format string, timestamp interface{}, location string) (time.Time, error) {
switch format {
case "unix", "unix_ms", "unix_us", "unix_ns":
return parseUnix(format, timestamp)
default:
if location == "" {
location = "UTC"
}
return parseTime(format, timestamp, location)
}
}
func parseUnix(format string, timestamp interface{}) (time.Time, error) {
integer, fractional, err := parseComponents(timestamp)
if err != nil {
return time.Unix(0, 0), err
}
switch strings.ToLower(format) {
case "unix":
return time.Unix(integer, fractional).UTC(), nil
case "unix_ms":
return time.Unix(0, integer*1e6).UTC(), nil
case "unix_us":
return time.Unix(0, integer*1e3).UTC(), nil
case "unix_ns":
return time.Unix(0, integer).UTC(), nil
default:
return time.Unix(0, 0), errors.New("unsupported type")
}
}
// Returns the integers before and after an optional decimal point. Both '.'
// and ',' are supported for the decimal point. The timestamp can be an int64,
// float64, or string.
// ex: "42.5" -> (42, 5, nil)
func parseComponents(timestamp interface{}) (int64, int64, error) {
switch ts := timestamp.(type) {
case string:
parts := strings.SplitN(ts, ".", 2)
if len(parts) == 2 {
return parseUnixTimeComponents(parts[0], parts[1])
}
parts = strings.SplitN(ts, ",", 2)
if len(parts) == 2 {
return parseUnixTimeComponents(parts[0], parts[1])
}
integer, err := strconv.ParseInt(ts, 10, 64)
// GetTLSConfig gets a tls.Config object from the given certs, key, and CA files.
// you must give the full path to the files.
// If all files are blank and InsecureSkipVerify=false, returns a nil pointer.
func GetTLSConfig(
SSLCert, SSLKey, SSLCA string,
InsecureSkipVerify bool,
) (*tls.Config, error) {
t := &tls.Config{}
if SSLCert != "" && SSLKey != "" && SSLCA != "" {
cert, err := tls.LoadX509KeyPair(SSLCert, SSLKey)
if err != nil {
return 0, 0, err
return nil, errors.New(fmt.Sprintf(
"Could not load TLS client key/certificate: %s",
err))
}
return integer, 0, nil
case int64:
return ts, 0, nil
case float64:
integer, fractional := math.Modf(ts)
return int64(integer), int64(fractional * 1e9), nil
default:
return 0, 0, errors.New("unsupported type")
}
}
func parseUnixTimeComponents(first, second string) (int64, int64, error) {
integer, err := strconv.ParseInt(first, 10, 64)
if err != nil {
return 0, 0, err
}
// Convert to nanoseconds, dropping any greater precision.
buf := []byte("000000000")
copy(buf, second)
fractional, err := strconv.ParseInt(string(buf), 10, 64)
if err != nil {
return 0, 0, err
}
return integer, fractional, nil
}
// ParseTime parses a string timestamp according to the format string.
func parseTime(format string, timestamp interface{}, location string) (time.Time, error) {
switch ts := timestamp.(type) {
case string:
loc, err := time.LoadLocation(location)
caCert, err := ioutil.ReadFile(SSLCA)
if err != nil {
return time.Unix(0, 0), err
return nil, errors.New(fmt.Sprintf("Could not load TLS CA: %s",
err))
}
caCertPool := x509.NewCertPool()
caCertPool.AppendCertsFromPEM(caCert)
t = &tls.Config{
Certificates: []tls.Certificate{cert},
RootCAs: caCertPool,
InsecureSkipVerify: InsecureSkipVerify,
}
} else {
if InsecureSkipVerify {
t.InsecureSkipVerify = true
} else {
return nil, nil
}
return time.ParseInLocation(format, ts, loc)
default:
return time.Unix(0, 0), errors.New("unsupported type")
}
// will be nil by default if nothing is provided
return t, nil
}
// Glob will test a string pattern, potentially containing globs, against a
// subject string. The result is a simple true/false, determining whether or
// not the glob pattern matched the subject text.
//
// Adapted from https://github.com/ryanuber/go-glob/blob/master/glob.go
// thanks Ryan Uber!
func Glob(pattern, measurement string) bool {
// Empty pattern can only match empty subject
if pattern == "" {
return measurement == pattern
}
// If the pattern _is_ a glob, it matches everything
if pattern == "*" {
return true
}
parts := strings.Split(pattern, "*")
if len(parts) == 1 {
// No globs in pattern, so test for match
return pattern == measurement
}
leadingGlob := strings.HasPrefix(pattern, "*")
trailingGlob := strings.HasSuffix(pattern, "*")
end := len(parts) - 1
for i, part := range parts {
switch i {
case 0:
if leadingGlob {
continue
}
if !strings.HasPrefix(measurement, part) {
return false
}
case end:
if len(measurement) > 0 {
return trailingGlob || strings.HasSuffix(measurement, part)
}
default:
if !strings.Contains(measurement, part) {
return false
}
}
// Trim evaluated text from measurement as we loop over the pattern.
idx := strings.Index(measurement, part) + len(part)
measurement = measurement[idx:]
}
// All parts of the pattern matched
return true
}

View File

@ -1,491 +1,44 @@
package internal
import (
"bytes"
"compress/gzip"
"crypto/rand"
"io"
"io/ioutil"
"log"
"os/exec"
"regexp"
"testing"
"time"
import "testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
type SnakeTest struct {
input string
output string
}
var tests = []SnakeTest{
{"a", "a"},
{"snake", "snake"},
{"A", "a"},
{"ID", "id"},
{"MOTD", "motd"},
{"Snake", "snake"},
{"SnakeTest", "snake_test"},
{"APIResponse", "api_response"},
{"SnakeID", "snake_id"},
{"SnakeIDGoogle", "snake_id_google"},
{"LinuxMOTD", "linux_motd"},
{"OMGWTFBBQ", "omgwtfbbq"},
{"omg_wtf_bbq", "omg_wtf_bbq"},
}
func TestSnakeCase(t *testing.T) {
for _, test := range tests {
if SnakeCase(test.input) != test.output {
t.Errorf(`SnakeCase("%s"), wanted "%s", got \%s"`, test.input, test.output, SnakeCase(test.input))
}
func testGlobMatch(t *testing.T, pattern, subj string) {
if !Glob(pattern, subj) {
t.Errorf("%s should match %s", pattern, subj)
}
}
var (
sleepbin, _ = exec.LookPath("sleep")
echobin, _ = exec.LookPath("echo")
shell, _ = exec.LookPath("sh")
)
func TestRunTimeout(t *testing.T) {
if testing.Short() {
t.Skip("Skipping test due to random failures.")
}
if sleepbin == "" {
t.Skip("'sleep' binary not available on OS, skipping.")
}
cmd := exec.Command(sleepbin, "10")
start := time.Now()
err := RunTimeout(cmd, time.Millisecond*20)
elapsed := time.Since(start)
assert.Equal(t, TimeoutErr, err)
// Verify that command gets killed in 20ms, with some breathing room
assert.True(t, elapsed < time.Millisecond*75)
}
// Verifies behavior of a command that doesn't get killed.
func TestRunTimeoutFastExit(t *testing.T) {
if testing.Short() {
t.Skip("Skipping test due to random failures.")
}
if echobin == "" {
t.Skip("'echo' binary not available on OS, skipping.")
}
cmd := exec.Command(echobin)
start := time.Now()
err := RunTimeout(cmd, time.Millisecond*20)
buf := &bytes.Buffer{}
log.SetOutput(buf)
elapsed := time.Since(start)
require.NoError(t, err)
// Verify that command gets killed in 20ms, with some breathing room
assert.True(t, elapsed < time.Millisecond*75)
// Verify "process already finished" log doesn't occur.
time.Sleep(time.Millisecond * 75)
require.Equal(t, "", buf.String())
}
func TestCombinedOutputTimeout(t *testing.T) {
// TODO: Fix this test
t.Skip("Test failing too often, skip for now and revisit later.")
if sleepbin == "" {
t.Skip("'sleep' binary not available on OS, skipping.")
}
cmd := exec.Command(sleepbin, "10")
start := time.Now()
_, err := CombinedOutputTimeout(cmd, time.Millisecond*20)
elapsed := time.Since(start)
assert.Equal(t, TimeoutErr, err)
// Verify that command gets killed in 20ms, with some breathing room
assert.True(t, elapsed < time.Millisecond*75)
}
func TestCombinedOutput(t *testing.T) {
if echobin == "" {
t.Skip("'echo' binary not available on OS, skipping.")
}
cmd := exec.Command(echobin, "foo")
out, err := CombinedOutputTimeout(cmd, time.Second)
assert.NoError(t, err)
assert.Equal(t, "foo\n", string(out))
}
// test that CombinedOutputTimeout and exec.Cmd.CombinedOutput return
// the same output from a failed command.
func TestCombinedOutputError(t *testing.T) {
if shell == "" {
t.Skip("'sh' binary not available on OS, skipping.")
}
cmd := exec.Command(shell, "-c", "false")
expected, err := cmd.CombinedOutput()
cmd2 := exec.Command(shell, "-c", "false")
actual, err := CombinedOutputTimeout(cmd2, time.Second)
assert.Error(t, err)
assert.Equal(t, expected, actual)
}
func TestRunError(t *testing.T) {
if shell == "" {
t.Skip("'sh' binary not available on OS, skipping.")
}
cmd := exec.Command(shell, "-c", "false")
err := RunTimeout(cmd, time.Second)
assert.Error(t, err)
}
func TestRandomSleep(t *testing.T) {
// TODO: Fix this test
t.Skip("Test failing too often, skip for now and revisit later.")
// test that zero max returns immediately
s := time.Now()
RandomSleep(time.Duration(0), make(chan struct{}))
elapsed := time.Since(s)
assert.True(t, elapsed < time.Millisecond)
// test that max sleep is respected
s = time.Now()
RandomSleep(time.Millisecond*50, make(chan struct{}))
elapsed = time.Since(s)
assert.True(t, elapsed < time.Millisecond*100)
// test that shutdown is respected
s = time.Now()
shutdown := make(chan struct{})
go func() {
time.Sleep(time.Millisecond * 100)
close(shutdown)
}()
RandomSleep(time.Second, shutdown)
elapsed = time.Since(s)
assert.True(t, elapsed < time.Millisecond*150)
}
func TestDuration(t *testing.T) {
var d Duration
d.UnmarshalTOML([]byte(`"1s"`))
assert.Equal(t, time.Second, d.Duration)
d = Duration{}
d.UnmarshalTOML([]byte(`1s`))
assert.Equal(t, time.Second, d.Duration)
d = Duration{}
d.UnmarshalTOML([]byte(`'1s'`))
assert.Equal(t, time.Second, d.Duration)
d = Duration{}
d.UnmarshalTOML([]byte(`10`))
assert.Equal(t, 10*time.Second, d.Duration)
d = Duration{}
d.UnmarshalTOML([]byte(`1.5`))
assert.Equal(t, time.Second, d.Duration)
}
func TestSize(t *testing.T) {
var s Size
s.UnmarshalTOML([]byte(`"1B"`))
assert.Equal(t, int64(1), s.Size)
s = Size{}
s.UnmarshalTOML([]byte(`1`))
assert.Equal(t, int64(1), s.Size)
s = Size{}
s.UnmarshalTOML([]byte(`'1'`))
assert.Equal(t, int64(1), s.Size)
s = Size{}
s.UnmarshalTOML([]byte(`"1GB"`))
assert.Equal(t, int64(1000*1000*1000), s.Size)
s = Size{}
s.UnmarshalTOML([]byte(`"12GiB"`))
assert.Equal(t, int64(12*1024*1024*1024), s.Size)
}
func TestCompressWithGzip(t *testing.T) {
testData := "the quick brown fox jumps over the lazy dog"
inputBuffer := bytes.NewBuffer([]byte(testData))
outputBuffer, err := CompressWithGzip(inputBuffer)
assert.NoError(t, err)
gzipReader, err := gzip.NewReader(outputBuffer)
assert.NoError(t, err)
defer gzipReader.Close()
output, err := ioutil.ReadAll(gzipReader)
assert.NoError(t, err)
assert.Equal(t, testData, string(output))
}
type mockReader struct {
readN uint64 // record the number of calls to Read
}
func (r *mockReader) Read(p []byte) (n int, err error) {
r.readN++
return rand.Read(p)
}
func TestCompressWithGzipEarlyClose(t *testing.T) {
mr := &mockReader{}
rc, err := CompressWithGzip(mr)
assert.NoError(t, err)
n, err := io.CopyN(ioutil.Discard, rc, 10000)
assert.NoError(t, err)
assert.Equal(t, int64(10000), n)
r1 := mr.readN
err = rc.Close()
assert.NoError(t, err)
n, err = io.CopyN(ioutil.Discard, rc, 10000)
assert.Error(t, io.EOF, err)
assert.Equal(t, int64(0), n)
r2 := mr.readN
// no more read to the source after closing
assert.Equal(t, r1, r2)
}
func TestVersionAlreadySet(t *testing.T) {
err := SetVersion("foo")
assert.Nil(t, err)
err = SetVersion("bar")
assert.NotNil(t, err)
assert.IsType(t, VersionAlreadySetError, err)
assert.Equal(t, "foo", Version())
}
func TestAlignDuration(t *testing.T) {
tests := []struct {
name string
now time.Time
interval time.Duration
expected time.Duration
}{
{
name: "aligned",
now: time.Date(2018, 1, 1, 1, 1, 0, 0, time.UTC),
interval: 10 * time.Second,
expected: 0 * time.Second,
},
{
name: "standard interval",
now: time.Date(2018, 1, 1, 1, 1, 1, 0, time.UTC),
interval: 10 * time.Second,
expected: 9 * time.Second,
},
{
name: "odd interval",
now: time.Date(2018, 1, 1, 1, 1, 1, 0, time.UTC),
interval: 3 * time.Second,
expected: 2 * time.Second,
},
{
name: "sub second interval",
now: time.Date(2018, 1, 1, 1, 1, 0, 5e8, time.UTC),
interval: 1 * time.Second,
expected: 500 * time.Millisecond,
},
{
name: "non divisible not aligned on minutes",
now: time.Date(2018, 1, 1, 1, 0, 0, 0, time.UTC),
interval: 1*time.Second + 100*time.Millisecond,
expected: 400 * time.Millisecond,
},
{
name: "long interval",
now: time.Date(2018, 1, 1, 1, 1, 0, 0, time.UTC),
interval: 1 * time.Hour,
expected: 59 * time.Minute,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
actual := AlignDuration(tt.now, tt.interval)
require.Equal(t, tt.expected, actual)
})
func testGlobNoMatch(t *testing.T, pattern, subj string) {
if Glob(pattern, subj) {
t.Errorf("%s should not match %s", pattern, subj)
}
}
func TestAlignTime(t *testing.T) {
rfc3339 := func(value string) time.Time {
t, _ := time.Parse(time.RFC3339, value)
return t
}
tests := []struct {
name string
now time.Time
interval time.Duration
expected time.Time
}{
{
name: "aligned",
now: rfc3339("2018-01-01T01:01:00Z"),
interval: 10 * time.Second,
expected: rfc3339("2018-01-01T01:01:00Z"),
},
{
name: "aligned",
now: rfc3339("2018-01-01T01:01:01Z"),
interval: 10 * time.Second,
expected: rfc3339("2018-01-01T01:01:10Z"),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
actual := AlignTime(tt.now, tt.interval)
require.Equal(t, tt.expected, actual)
})
}
func TestEmptyPattern(t *testing.T) {
testGlobMatch(t, "", "")
testGlobNoMatch(t, "", "test")
}
func TestParseTimestamp(t *testing.T) {
rfc3339 := func(value string) time.Time {
tm, err := time.Parse(time.RFC3339Nano, value)
if err != nil {
panic(err)
}
return tm
}
tests := []struct {
name string
format string
timestamp interface{}
location string
expected time.Time
err bool
}{
{
name: "parse layout string in utc",
format: "2006-01-02 15:04:05",
timestamp: "2019-02-20 21:50:34",
location: "UTC",
expected: rfc3339("2019-02-20T21:50:34Z"),
},
{
name: "parse layout string with invalid timezone",
format: "2006-01-02 15:04:05",
timestamp: "2019-02-20 21:50:34",
location: "InvalidTimeZone",
err: true,
},
{
name: "layout regression 6386",
format: "02.01.2006 15:04:05",
timestamp: "09.07.2019 00:11:00",
expected: rfc3339("2019-07-09T00:11:00Z"),
},
{
name: "default location is utc",
format: "2006-01-02 15:04:05",
timestamp: "2019-02-20 21:50:34",
expected: rfc3339("2019-02-20T21:50:34Z"),
},
{
name: "unix seconds without fractional",
format: "unix",
timestamp: "1568338208",
expected: rfc3339("2019-09-13T01:30:08Z"),
},
{
name: "unix seconds with fractional",
format: "unix",
timestamp: "1568338208.500",
expected: rfc3339("2019-09-13T01:30:08.500Z"),
},
{
name: "unix seconds with fractional and comma decimal point",
format: "unix",
timestamp: "1568338208,500",
expected: rfc3339("2019-09-13T01:30:08.500Z"),
},
{
name: "unix seconds extra precision",
format: "unix",
timestamp: "1568338208.00000050042",
expected: rfc3339("2019-09-13T01:30:08.000000500Z"),
},
{
name: "unix seconds integer",
format: "unix",
timestamp: int64(1568338208),
expected: rfc3339("2019-09-13T01:30:08Z"),
},
{
name: "unix seconds float",
format: "unix",
timestamp: float64(1568338208.500),
expected: rfc3339("2019-09-13T01:30:08.500Z"),
},
{
name: "unix milliseconds",
format: "unix_ms",
timestamp: "1568338208500",
expected: rfc3339("2019-09-13T01:30:08.500Z"),
},
{
name: "unix milliseconds with fractional is ignored",
format: "unix_ms",
timestamp: "1568338208500.42",
expected: rfc3339("2019-09-13T01:30:08.500Z"),
},
{
name: "unix microseconds",
format: "unix_us",
timestamp: "1568338208000500",
expected: rfc3339("2019-09-13T01:30:08.000500Z"),
},
{
name: "unix nanoseconds",
format: "unix_ns",
timestamp: "1568338208000000500",
expected: rfc3339("2019-09-13T01:30:08.000000500Z"),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
tm, err := ParseTimestamp(tt.format, tt.timestamp, tt.location)
if tt.err {
require.Error(t, err)
} else {
require.NoError(t, err)
require.Equal(t, tt.expected, tm)
}
})
}
func TestPatternWithoutGlobs(t *testing.T) {
testGlobMatch(t, "test", "test")
}
func TestProductToken(t *testing.T) {
token := ProductToken()
// Telegraf version depends on the call to SetVersion, it cannot be set
// multiple times and is not thread-safe.
re := regexp.MustCompile(`^Telegraf/[^\s]+ Go/\d+.\d+(.\d+)?$`)
require.True(t, re.MatchString(token), token)
func TestGlob(t *testing.T) {
for _, pattern := range []string{
"*test", // Leading glob
"this*", // Trailing glob
"*is*a*", // Lots of globs
"**test**", // Double glob characters
"**is**a***test*", // Varying number of globs
} {
testGlobMatch(t, pattern, "this_is_a_test")
}
for _, pattern := range []string{
"test*", // Implicit substring match should fail
"*is", // Partial match should fail
"*no*", // Globs without a match between them should fail
} {
testGlobNoMatch(t, pattern, "this_is_a_test")
}
}

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@ -1,59 +0,0 @@
package limiter
import (
"sync"
"time"
)
// NewRateLimiter returns a rate limiter that will will emit from the C
// channel only 'n' times every 'rate' seconds.
func NewRateLimiter(n int, rate time.Duration) *rateLimiter {
r := &rateLimiter{
C: make(chan bool),
rate: rate,
n: n,
shutdown: make(chan bool),
}
r.wg.Add(1)
go r.limiter()
return r
}
type rateLimiter struct {
C chan bool
rate time.Duration
n int
shutdown chan bool
wg sync.WaitGroup
}
func (r *rateLimiter) Stop() {
close(r.shutdown)
r.wg.Wait()
close(r.C)
}
func (r *rateLimiter) limiter() {
defer r.wg.Done()
ticker := time.NewTicker(r.rate)
defer ticker.Stop()
counter := 0
for {
select {
case <-r.shutdown:
return
case <-ticker.C:
counter = 0
default:
if counter < r.n {
select {
case r.C <- true:
counter++
case <-r.shutdown:
return
}
}
}
}
}

92
internal/models/filter.go Normal file
View File

@ -0,0 +1,92 @@
package internal_models
import (
"strings"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/internal"
)
// TagFilter is the name of a tag, and the values on which to filter
type TagFilter struct {
Name string
Filter []string
}
// Filter containing drop/pass and tagdrop/tagpass rules
type Filter struct {
Drop []string
Pass []string
TagDrop []TagFilter
TagPass []TagFilter
IsActive bool
}
func (f Filter) ShouldMetricPass(metric telegraf.Metric) bool {
if f.ShouldPass(metric.Name()) && f.ShouldTagsPass(metric.Tags()) {
return true
}
return false
}
// ShouldPass returns true if the metric should pass, false if should drop
// based on the drop/pass filter parameters
func (f Filter) ShouldPass(key string) bool {
if f.Pass != nil {
for _, pat := range f.Pass {
// TODO remove HasPrefix check, leaving it for now for legacy support.
// Cam, 2015-12-07
if strings.HasPrefix(key, pat) || internal.Glob(pat, key) {
return true
}
}
return false
}
if f.Drop != nil {
for _, pat := range f.Drop {
// TODO remove HasPrefix check, leaving it for now for legacy support.
// Cam, 2015-12-07
if strings.HasPrefix(key, pat) || internal.Glob(pat, key) {
return false
}
}
return true
}
return true
}
// ShouldTagsPass returns true if the metric should pass, false if should drop
// based on the tagdrop/tagpass filter parameters
func (f Filter) ShouldTagsPass(tags map[string]string) bool {
if f.TagPass != nil {
for _, pat := range f.TagPass {
if tagval, ok := tags[pat.Name]; ok {
for _, filter := range pat.Filter {
if internal.Glob(filter, tagval) {
return true
}
}
}
}
return false
}
if f.TagDrop != nil {
for _, pat := range f.TagDrop {
if tagval, ok := tags[pat.Name]; ok {
for _, filter := range pat.Filter {
if internal.Glob(filter, tagval) {
return false
}
}
}
}
return true
}
return true
}

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@ -0,0 +1,177 @@
package internal_models
import (
"testing"
)
func TestFilter_Empty(t *testing.T) {
f := Filter{}
measurements := []string{
"foo",
"bar",
"barfoo",
"foo_bar",
"foo.bar",
"foo-bar",
"supercalifradjulisticexpialidocious",
}
for _, measurement := range measurements {
if !f.ShouldPass(measurement) {
t.Errorf("Expected measurement %s to pass", measurement)
}
}
}
func TestFilter_Pass(t *testing.T) {
f := Filter{
Pass: []string{"foo*", "cpu_usage_idle"},
}
passes := []string{
"foo",
"foo_bar",
"foo.bar",
"foo-bar",
"cpu_usage_idle",
}
drops := []string{
"bar",
"barfoo",
"bar_foo",
"cpu_usage_busy",
}
for _, measurement := range passes {
if !f.ShouldPass(measurement) {
t.Errorf("Expected measurement %s to pass", measurement)
}
}
for _, measurement := range drops {
if f.ShouldPass(measurement) {
t.Errorf("Expected measurement %s to drop", measurement)
}
}
}
func TestFilter_Drop(t *testing.T) {
f := Filter{
Drop: []string{"foo*", "cpu_usage_idle"},
}
drops := []string{
"foo",
"foo_bar",
"foo.bar",
"foo-bar",
"cpu_usage_idle",
}
passes := []string{
"bar",
"barfoo",
"bar_foo",
"cpu_usage_busy",
}
for _, measurement := range passes {
if !f.ShouldPass(measurement) {
t.Errorf("Expected measurement %s to pass", measurement)
}
}
for _, measurement := range drops {
if f.ShouldPass(measurement) {
t.Errorf("Expected measurement %s to drop", measurement)
}
}
}
func TestFilter_TagPass(t *testing.T) {
filters := []TagFilter{
TagFilter{
Name: "cpu",
Filter: []string{"cpu-*"},
},
TagFilter{
Name: "mem",
Filter: []string{"mem_free"},
}}
f := Filter{
TagPass: filters,
}
passes := []map[string]string{
{"cpu": "cpu-total"},
{"cpu": "cpu-0"},
{"cpu": "cpu-1"},
{"cpu": "cpu-2"},
{"mem": "mem_free"},
}
drops := []map[string]string{
{"cpu": "cputotal"},
{"cpu": "cpu0"},
{"cpu": "cpu1"},
{"cpu": "cpu2"},
{"mem": "mem_used"},
}
for _, tags := range passes {
if !f.ShouldTagsPass(tags) {
t.Errorf("Expected tags %v to pass", tags)
}
}
for _, tags := range drops {
if f.ShouldTagsPass(tags) {
t.Errorf("Expected tags %v to drop", tags)
}
}
}
func TestFilter_TagDrop(t *testing.T) {
filters := []TagFilter{
TagFilter{
Name: "cpu",
Filter: []string{"cpu-*"},
},
TagFilter{
Name: "mem",
Filter: []string{"mem_free"},
}}
f := Filter{
TagDrop: filters,
}
drops := []map[string]string{
{"cpu": "cpu-total"},
{"cpu": "cpu-0"},
{"cpu": "cpu-1"},
{"cpu": "cpu-2"},
{"mem": "mem_free"},
}
passes := []map[string]string{
{"cpu": "cputotal"},
{"cpu": "cpu0"},
{"cpu": "cpu1"},
{"cpu": "cpu2"},
{"mem": "mem_used"},
}
for _, tags := range passes {
if !f.ShouldTagsPass(tags) {
t.Errorf("Expected tags %v to pass", tags)
}
}
for _, tags := range drops {
if f.ShouldTagsPass(tags) {
t.Errorf("Expected tags %v to drop", tags)
}
}
}

View File

@ -0,0 +1,24 @@
package internal_models
import (
"time"
"github.com/influxdata/telegraf"
)
type RunningInput struct {
Name string
Input telegraf.Input
Config *InputConfig
}
// InputConfig containing a name, interval, and filter
type InputConfig struct {
Name string
NameOverride string
MeasurementPrefix string
MeasurementSuffix string
Tags map[string]string
Filter Filter
Interval time.Duration
}

View File

@ -0,0 +1,138 @@
package internal_models
import (
"log"
"sync"
"time"
"github.com/influxdata/telegraf"
)
const (
// Default number of metrics kept between flushes.
DEFAULT_METRIC_BUFFER_LIMIT = 10000
// Limit how many full metric buffers are kept due to failed writes.
FULL_METRIC_BUFFERS_LIMIT = 100
)
type RunningOutput struct {
Name string
Output telegraf.Output
Config *OutputConfig
Quiet bool
MetricBufferLimit int
FlushBufferWhenFull bool
metrics []telegraf.Metric
tmpmetrics map[int][]telegraf.Metric
overwriteI int
mapI int
sync.Mutex
}
func NewRunningOutput(
name string,
output telegraf.Output,
conf *OutputConfig,
) *RunningOutput {
ro := &RunningOutput{
Name: name,
metrics: make([]telegraf.Metric, 0),
tmpmetrics: make(map[int][]telegraf.Metric),
Output: output,
Config: conf,
MetricBufferLimit: DEFAULT_METRIC_BUFFER_LIMIT,
}
return ro
}
// AddMetric adds a metric to the output. This function can also write cached
// points if FlushBufferWhenFull is true.
func (ro *RunningOutput) AddMetric(metric telegraf.Metric) {
if ro.Config.Filter.IsActive {
if !ro.Config.Filter.ShouldMetricPass(metric) {
return
}
}
ro.Lock()
defer ro.Unlock()
if len(ro.metrics) < ro.MetricBufferLimit {
ro.metrics = append(ro.metrics, metric)
} else {
if ro.FlushBufferWhenFull {
ro.metrics = append(ro.metrics, metric)
tmpmetrics := make([]telegraf.Metric, len(ro.metrics))
copy(tmpmetrics, ro.metrics)
ro.metrics = make([]telegraf.Metric, 0)
err := ro.write(tmpmetrics)
if err != nil {
log.Printf("ERROR writing full metric buffer to output %s, %s",
ro.Name, err)
if len(ro.tmpmetrics) == FULL_METRIC_BUFFERS_LIMIT {
ro.mapI = 0
// overwrite one
ro.tmpmetrics[ro.mapI] = tmpmetrics
ro.mapI++
} else {
ro.tmpmetrics[ro.mapI] = tmpmetrics
ro.mapI++
}
}
} else {
log.Printf("WARNING: overwriting cached metrics, you may want to " +
"increase the metric_buffer_limit setting in your [agent] " +
"config if you do not wish to overwrite metrics.\n")
if ro.overwriteI == len(ro.metrics) {
ro.overwriteI = 0
}
ro.metrics[ro.overwriteI] = metric
ro.overwriteI++
}
}
}
// Write writes all cached points to this output.
func (ro *RunningOutput) Write() error {
ro.Lock()
defer ro.Unlock()
err := ro.write(ro.metrics)
if err != nil {
return err
} else {
ro.metrics = make([]telegraf.Metric, 0)
ro.overwriteI = 0
}
// Write any cached metric buffers that failed previously
for i, tmpmetrics := range ro.tmpmetrics {
if err := ro.write(tmpmetrics); err != nil {
return err
} else {
delete(ro.tmpmetrics, i)
}
}
return nil
}
func (ro *RunningOutput) write(metrics []telegraf.Metric) error {
start := time.Now()
err := ro.Output.Write(metrics)
elapsed := time.Since(start)
if err == nil {
if !ro.Quiet {
log.Printf("Wrote %d metrics to output %s in %s\n",
len(metrics), ro.Name, elapsed)
}
}
return err
}
// OutputConfig containing name and filter
type OutputConfig struct {
Name string
Filter Filter
}

View File

@ -0,0 +1,265 @@
package internal_models
import (
"fmt"
"sort"
"sync"
"testing"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/testutil"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var first5 = []telegraf.Metric{
testutil.TestMetric(101, "metric1"),
testutil.TestMetric(101, "metric2"),
testutil.TestMetric(101, "metric3"),
testutil.TestMetric(101, "metric4"),
testutil.TestMetric(101, "metric5"),
}
var next5 = []telegraf.Metric{
testutil.TestMetric(101, "metric6"),
testutil.TestMetric(101, "metric7"),
testutil.TestMetric(101, "metric8"),
testutil.TestMetric(101, "metric9"),
testutil.TestMetric(101, "metric10"),
}
// Test that we can write metrics with simple default setup.
func TestRunningOutputDefault(t *testing.T) {
conf := &OutputConfig{
Filter: Filter{
IsActive: false,
},
}
m := &mockOutput{}
ro := NewRunningOutput("test", m, conf)
for _, metric := range first5 {
ro.AddMetric(metric)
}
for _, metric := range next5 {
ro.AddMetric(metric)
}
assert.Len(t, m.Metrics(), 0)
err := ro.Write()
assert.NoError(t, err)
assert.Len(t, m.Metrics(), 10)
}
// Test that the first metric gets overwritten if there is a buffer overflow.
func TestRunningOutputOverwrite(t *testing.T) {
conf := &OutputConfig{
Filter: Filter{
IsActive: false,
},
}
m := &mockOutput{}
ro := NewRunningOutput("test", m, conf)
ro.MetricBufferLimit = 4
for _, metric := range first5 {
ro.AddMetric(metric)
}
require.Len(t, m.Metrics(), 0)
err := ro.Write()
require.NoError(t, err)
require.Len(t, m.Metrics(), 4)
var expected, actual []string
for i, exp := range first5[1:] {
expected = append(expected, exp.String())
actual = append(actual, m.Metrics()[i].String())
}
sort.Strings(expected)
sort.Strings(actual)
assert.Equal(t, expected, actual)
}
// Test that multiple buffer overflows are handled properly.
func TestRunningOutputMultiOverwrite(t *testing.T) {
conf := &OutputConfig{
Filter: Filter{
IsActive: false,
},
}
m := &mockOutput{}
ro := NewRunningOutput("test", m, conf)
ro.MetricBufferLimit = 3
for _, metric := range first5 {
ro.AddMetric(metric)
}
for _, metric := range next5 {
ro.AddMetric(metric)
}
require.Len(t, m.Metrics(), 0)
err := ro.Write()
require.NoError(t, err)
require.Len(t, m.Metrics(), 3)
var expected, actual []string
for i, exp := range next5[2:] {
expected = append(expected, exp.String())
actual = append(actual, m.Metrics()[i].String())
}
sort.Strings(expected)
sort.Strings(actual)
assert.Equal(t, expected, actual)
}
// Test that running output doesn't flush until it's full when
// FlushBufferWhenFull is set.
func TestRunningOutputFlushWhenFull(t *testing.T) {
conf := &OutputConfig{
Filter: Filter{
IsActive: false,
},
}
m := &mockOutput{}
ro := NewRunningOutput("test", m, conf)
ro.FlushBufferWhenFull = true
ro.MetricBufferLimit = 5
// Fill buffer to limit
for _, metric := range first5 {
ro.AddMetric(metric)
}
// no flush yet
assert.Len(t, m.Metrics(), 0)
// add one more metric
ro.AddMetric(next5[0])
// now it flushed
assert.Len(t, m.Metrics(), 6)
// add one more metric and write it manually
ro.AddMetric(next5[1])
err := ro.Write()
assert.NoError(t, err)
assert.Len(t, m.Metrics(), 7)
}
// Test that running output doesn't flush until it's full when
// FlushBufferWhenFull is set, twice.
func TestRunningOutputMultiFlushWhenFull(t *testing.T) {
conf := &OutputConfig{
Filter: Filter{
IsActive: false,
},
}
m := &mockOutput{}
ro := NewRunningOutput("test", m, conf)
ro.FlushBufferWhenFull = true
ro.MetricBufferLimit = 4
// Fill buffer past limit twive
for _, metric := range first5 {
ro.AddMetric(metric)
}
for _, metric := range next5 {
ro.AddMetric(metric)
}
// flushed twice
assert.Len(t, m.Metrics(), 10)
}
func TestRunningOutputWriteFail(t *testing.T) {
conf := &OutputConfig{
Filter: Filter{
IsActive: false,
},
}
m := &mockOutput{}
m.failWrite = true
ro := NewRunningOutput("test", m, conf)
ro.FlushBufferWhenFull = true
ro.MetricBufferLimit = 4
// Fill buffer past limit twice
for _, metric := range first5 {
ro.AddMetric(metric)
}
for _, metric := range next5 {
ro.AddMetric(metric)
}
// no successful flush yet
assert.Len(t, m.Metrics(), 0)
// manual write fails
err := ro.Write()
require.Error(t, err)
// no successful flush yet
assert.Len(t, m.Metrics(), 0)
m.failWrite = false
err = ro.Write()
require.NoError(t, err)
assert.Len(t, m.Metrics(), 10)
}
type mockOutput struct {
sync.Mutex
metrics []telegraf.Metric
// if true, mock a write failure
failWrite bool
}
func (m *mockOutput) Connect() error {
return nil
}
func (m *mockOutput) Close() error {
return nil
}
func (m *mockOutput) Description() string {
return ""
}
func (m *mockOutput) SampleConfig() string {
return ""
}
func (m *mockOutput) Write(metrics []telegraf.Metric) error {
m.Lock()
defer m.Unlock()
if m.failWrite {
return fmt.Errorf("Failed Write!")
}
if m.metrics == nil {
m.metrics = []telegraf.Metric{}
}
for _, metric := range metrics {
m.metrics = append(m.metrics, metric)
}
return nil
}
func (m *mockOutput) Metrics() []telegraf.Metric {
m.Lock()
defer m.Unlock()
return m.metrics
}

View File

@ -1,185 +0,0 @@
package rotate
// Rotating things
import (
"fmt"
"io"
"os"
"path/filepath"
"sort"
"strconv"
"strings"
"sync"
"time"
)
// FilePerm defines the permissions that Writer will use for all
// the files it creates.
const (
FilePerm = os.FileMode(0644)
DateFormat = "2006-01-02"
)
// FileWriter implements the io.Writer interface and writes to the
// filename specified.
// Will rotate at the specified interval and/or when the current file size exceeds maxSizeInBytes
// At rotation time, current file is renamed and a new file is created.
// If the number of archives exceeds maxArchives, older files are deleted.
type FileWriter struct {
filename string
filenameRotationTemplate string
current *os.File
interval time.Duration
maxSizeInBytes int64
maxArchives int
expireTime time.Time
bytesWritten int64
sync.Mutex
}
// NewFileWriter creates a new file writer.
func NewFileWriter(filename string, interval time.Duration, maxSizeInBytes int64, maxArchives int) (io.WriteCloser, error) {
if interval == 0 && maxSizeInBytes <= 0 {
// No rotation needed so a basic io.Writer will do the trick
return openFile(filename)
}
w := &FileWriter{
filename: filename,
interval: interval,
maxSizeInBytes: maxSizeInBytes,
maxArchives: maxArchives,
filenameRotationTemplate: getFilenameRotationTemplate(filename),
}
if err := w.openCurrent(); err != nil {
return nil, err
}
return w, nil
}
func openFile(filename string) (*os.File, error) {
return os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_APPEND, FilePerm)
}
func getFilenameRotationTemplate(filename string) string {
// Extract the file extension
fileExt := filepath.Ext(filename)
// Remove the file extension from the filename (if any)
stem := strings.TrimSuffix(filename, fileExt)
return stem + ".%s-%s" + fileExt
}
// Write writes p to the current file, then checks to see if
// rotation is necessary.
func (w *FileWriter) Write(p []byte) (n int, err error) {
w.Lock()
defer w.Unlock()
if n, err = w.current.Write(p); err != nil {
return 0, err
}
w.bytesWritten += int64(n)
if err = w.rotateIfNeeded(); err != nil {
return 0, err
}
return n, nil
}
// Close closes the current file. Writer is unusable after this
// is called.
func (w *FileWriter) Close() (err error) {
w.Lock()
defer w.Unlock()
// Rotate before closing
if err = w.rotate(); err != nil {
return err
}
w.current = nil
return nil
}
func (w *FileWriter) openCurrent() (err error) {
// In case ModTime() fails, we use time.Now()
w.expireTime = time.Now().Add(w.interval)
w.bytesWritten = 0
w.current, err = openFile(w.filename)
if err != nil {
return err
}
// Goal here is to rotate old pre-existing files.
// For that we use fileInfo.ModTime, instead of time.Now().
// Example: telegraf is restarted every 23 hours and
// the rotation interval is set to 24 hours.
// With time.now() as a reference we'd never rotate the file.
if fileInfo, err := w.current.Stat(); err == nil {
w.expireTime = fileInfo.ModTime().Add(w.interval)
w.bytesWritten = fileInfo.Size()
}
if err = w.rotateIfNeeded(); err != nil {
return err
}
return nil
}
func (w *FileWriter) rotateIfNeeded() error {
if (w.interval > 0 && time.Now().After(w.expireTime)) ||
(w.maxSizeInBytes > 0 && w.bytesWritten >= w.maxSizeInBytes) {
if err := w.rotate(); err != nil {
//Ignore rotation errors and keep the log open
fmt.Printf("unable to rotate the file '%s', %s", w.filename, err.Error())
}
return w.openCurrent()
}
return nil
}
func (w *FileWriter) rotate() (err error) {
if err = w.current.Close(); err != nil {
return err
}
// Use year-month-date for readability, unix time to make the file name unique with second precision
now := time.Now()
rotatedFilename := fmt.Sprintf(w.filenameRotationTemplate, now.Format(DateFormat), strconv.FormatInt(now.Unix(), 10))
if err = os.Rename(w.filename, rotatedFilename); err != nil {
return err
}
if err = w.purgeArchivesIfNeeded(); err != nil {
return err
}
return nil
}
func (w *FileWriter) purgeArchivesIfNeeded() (err error) {
if w.maxArchives == -1 {
//Skip archiving
return nil
}
var matches []string
if matches, err = filepath.Glob(fmt.Sprintf(w.filenameRotationTemplate, "*", "*")); err != nil {
return err
}
//if there are more archives than the configured maximum, then purge older files
if len(matches) > w.maxArchives {
//sort files alphanumerically to delete older files first
sort.Strings(matches)
for _, filename := range matches[:len(matches)-w.maxArchives] {
if err = os.Remove(filename); err != nil {
return err
}
}
}
return nil
}

View File

@ -1,148 +0,0 @@
package rotate
import (
"io/ioutil"
"os"
"path/filepath"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestFileWriter_NoRotation(t *testing.T) {
tempDir, err := ioutil.TempDir("", "RotationNo")
require.NoError(t, err)
writer, err := NewFileWriter(filepath.Join(tempDir, "test"), 0, 0, 0)
require.NoError(t, err)
defer func() { writer.Close(); os.RemoveAll(tempDir) }()
_, err = writer.Write([]byte("Hello World"))
require.NoError(t, err)
_, err = writer.Write([]byte("Hello World 2"))
require.NoError(t, err)
files, _ := ioutil.ReadDir(tempDir)
assert.Equal(t, 1, len(files))
}
func TestFileWriter_TimeRotation(t *testing.T) {
tempDir, err := ioutil.TempDir("", "RotationTime")
require.NoError(t, err)
interval, _ := time.ParseDuration("1s")
writer, err := NewFileWriter(filepath.Join(tempDir, "test"), interval, 0, -1)
require.NoError(t, err)
defer func() { writer.Close(); os.RemoveAll(tempDir) }()
_, err = writer.Write([]byte("Hello World"))
require.NoError(t, err)
time.Sleep(1 * time.Second)
_, err = writer.Write([]byte("Hello World 2"))
require.NoError(t, err)
files, _ := ioutil.ReadDir(tempDir)
assert.Equal(t, 2, len(files))
}
func TestFileWriter_ReopenTimeRotation(t *testing.T) {
tempDir, err := ioutil.TempDir("", "RotationTime")
require.NoError(t, err)
interval, _ := time.ParseDuration("1s")
filePath := filepath.Join(tempDir, "test.log")
err = ioutil.WriteFile(filePath, []byte("Hello World"), 0644)
time.Sleep(1 * time.Second)
assert.NoError(t, err)
writer, err := NewFileWriter(filepath.Join(tempDir, "test.log"), interval, 0, -1)
require.NoError(t, err)
defer func() { writer.Close(); os.RemoveAll(tempDir) }()
files, _ := ioutil.ReadDir(tempDir)
assert.Equal(t, 2, len(files))
}
func TestFileWriter_SizeRotation(t *testing.T) {
tempDir, err := ioutil.TempDir("", "RotationSize")
require.NoError(t, err)
maxSize := int64(9)
writer, err := NewFileWriter(filepath.Join(tempDir, "test.log"), 0, maxSize, -1)
require.NoError(t, err)
defer func() { writer.Close(); os.RemoveAll(tempDir) }()
_, err = writer.Write([]byte("Hello World"))
require.NoError(t, err)
_, err = writer.Write([]byte("World 2"))
require.NoError(t, err)
files, _ := ioutil.ReadDir(tempDir)
assert.Equal(t, 2, len(files))
}
func TestFileWriter_ReopenSizeRotation(t *testing.T) {
tempDir, err := ioutil.TempDir("", "RotationSize")
require.NoError(t, err)
maxSize := int64(12)
filePath := filepath.Join(tempDir, "test.log")
err = ioutil.WriteFile(filePath, []byte("Hello World"), 0644)
assert.NoError(t, err)
writer, err := NewFileWriter(filepath.Join(tempDir, "test.log"), 0, maxSize, -1)
require.NoError(t, err)
defer func() { writer.Close(); os.RemoveAll(tempDir) }()
_, err = writer.Write([]byte("Hello World Again"))
require.NoError(t, err)
files, _ := ioutil.ReadDir(tempDir)
assert.Equal(t, 2, len(files))
}
func TestFileWriter_DeleteArchives(t *testing.T) {
tempDir, err := ioutil.TempDir("", "RotationDeleteArchives")
require.NoError(t, err)
maxSize := int64(5)
writer, err := NewFileWriter(filepath.Join(tempDir, "test.log"), 0, maxSize, 2)
require.NoError(t, err)
defer func() { writer.Close(); os.RemoveAll(tempDir) }()
_, err = writer.Write([]byte("First file"))
require.NoError(t, err)
// File names include the date with second precision
// So, to force rotation with different file names
// we need to wait
time.Sleep(1 * time.Second)
_, err = writer.Write([]byte("Second file"))
require.NoError(t, err)
time.Sleep(1 * time.Second)
_, err = writer.Write([]byte("Third file"))
require.NoError(t, err)
files, _ := ioutil.ReadDir(tempDir)
assert.Equal(t, 3, len(files))
for _, tempFile := range files {
var bytes []byte
var err error
path := filepath.Join(tempDir, tempFile.Name())
if bytes, err = ioutil.ReadFile(path); err != nil {
t.Error(err.Error())
return
}
contents := string(bytes)
if contents != "" && contents != "Second file" && contents != "Third file" {
t.Error("Should have deleted the eldest log file")
return
}
}
}
func TestFileWriter_CloseRotates(t *testing.T) {
tempDir, err := ioutil.TempDir("", "RotationClose")
require.NoError(t, err)
defer os.RemoveAll(tempDir)
maxSize := int64(9)
writer, err := NewFileWriter(filepath.Join(tempDir, "test.log"), 0, maxSize, -1)
require.NoError(t, err)
writer.Close()
files, _ := ioutil.ReadDir(tempDir)
assert.Equal(t, 1, len(files))
assert.Regexp(t, "^test\\.[^\\.]+\\.log$", files[0].Name())
}

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