Telegraf

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.

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 from well known services (like Hadoop, Postgres, or Redis) and third party APIs (like Mailchimp, AWS CloudWatch, or Google Analytics).

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 for instructions on writing new plugins.

Installation:

NOTE: Telegraf 0.3.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.

TODO: link to blog post about 0.3.x changes.

Linux deb and rpm packages:

Latest:

• http://get.influxdb.org/telegraf/telegraf_0.3.0_amd64.deb
• http://get.influxdb.org/telegraf/telegraf-0.3.0-1.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 /opt/telegraf/telegraf
• Telegraf daemon configuration file is in /etc/opt/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

Linux binaries:

Latest:

• http://get.influxdb.org/telegraf/telegraf_linux_amd64_0.3.0.tar.gz
• http://get.influxdb.org/telegraf/telegraf_linux_386_0.3.0.tar.gz
• http://get.influxdb.org/telegraf/telegraf_linux_arm_0.3.0.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

Binary instructions:

These are standalone binaries that can be unpacked and executed on any linux system. They can be unpacked and renamed in a location such as /usr/local/bin for convenience. A config file will need to be generated, see "How to use it" below.

OSX via Homebrew:

brew update
brew install telegraf

From Source:

Telegraf manages dependencies via gdm, which gets installed via the Makefile if you don't have it already. You also must build with golang version 1.4+.

1. Install Go
2. Setup your GOPATH
3. Run go get github.com/influxdb/telegraf
4. Run cd $GOPATH/src/github.com/influxdb/telegraf
5. Run make

How to use it:

• Run telegraf -sample-config > telegraf.conf to create an initial configuration.
• Or run telegraf -sample-config -input-filter cpu:mem -output-filter influxdb > telegraf.conf. to create a config file with only CPU and memory plugins defined, and InfluxDB output defined.
• Edit the configuration to match your needs.
• Run telegraf -config telegraf.conf -test to output one full measurement sample to STDOUT. NOTE: you may want to run as the telegraf user if you are using the linux packages sudo -u telegraf telegraf -config telegraf.conf -test
• Run telegraf -config telegraf.conf to gather and send metrics to configured outputs.
• Run telegraf -config telegraf.conf -input-filter system:swap. to run telegraf with only the system & swap plugins defined in the config.

Telegraf Options

Telegraf has a few options you can configure under the agent section of the config.

• hostname: The hostname is passed as a tag. By default this will be the value returned by hostname on the machine running Telegraf. You can override that value here.
• interval: How often to gather metrics. Uses a simple number + unit parser, e.g. "10s" for 10 seconds or "5m" for 5 minutes.
• debug: Set to true to gather and send metrics to STDOUT as well as InfluxDB.

Configuration

See the configuration guide for a rundown of the more advanced configuration options.

Supported Input Plugins

You can view usage instructions for each plugin by running telegraf -usage <pluginname>.

Telegraf currently has support for collecting metrics from:

• aerospike
• apache
• bcache
• disque
• elasticsearch
• exec (generic JSON-emitting executable plugin)
• haproxy
• httpjson (generic JSON-emitting http service plugin)
• influxdb
• jolokia
• leofs
• lustre2
• mailchimp
• memcached
• mongodb
• mysql
• nginx
• phpfpm
• ping
• postgresql
• procstat
• prometheus
• puppetagent
• rabbitmq
• redis
• rethinkdb
• twemproxy
• zfs
• zookeeper
• system
  • cpu
  • mem
  • net
  • netstat
  • disk
  • diskio
  • swap

Supported Input Service Plugins

Telegraf can collect metrics via the following services:

• statsd
• kafka_consumer

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.

Supported Output Plugins

• influxdb
• nsq
• kafka
• datadog
• opentsdb
• amqp (rabbitmq)
• mqtt
• librato
• prometheus
• amon
• riemann

Contributing

Please see the contributing guide for details on contributing a plugin or output to Telegraf.