add jenkins lib
This commit is contained in:
Kelvin Wang
parent
23523ffd10
commit
9c85c05fcb
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@ -42,6 +42,7 @@ import (
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_ "github.com/influxdata/telegraf/plugins/inputs/ipmi_sensor"
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_ "github.com/influxdata/telegraf/plugins/inputs/ipset"
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_ "github.com/influxdata/telegraf/plugins/inputs/iptables"
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_ "github.com/influxdata/telegraf/plugins/inputs/jenkins"
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_ "github.com/influxdata/telegraf/plugins/inputs/jolokia"
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_ "github.com/influxdata/telegraf/plugins/inputs/jolokia2"
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_ "github.com/influxdata/telegraf/plugins/inputs/jti_openconfig_telemetry"
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@ -0,0 +1,79 @@
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# Jenkins Plugin
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The jenkins plugin gathers information about the nodes and jobs running in a jenkins instance.
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This plugin does not require a plugin on jenkins and it makes use of Jenkins API to retrieve all the information needed.
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### Configuration:
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```toml
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url = "http://my-jenkins-instance:8080"
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username = "admin"
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password = "admin"
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## Set response_timeout
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response_timeout = "5s"
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## Optional SSL Config
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# ssl_ca = /path/to/cafile
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# ssl_cert = /path/to/certfile
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# ssl_key = /path/to/keyfile
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## Use SSL but skip chain & host verification
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# insecure_skip_verify = false
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## Job & build filter
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# max_build_age = "1h"
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## jenkins can have unlimited layer of sub jobs
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## this config will limit the layers of pull, default value 0 means
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## unlimited pulling until no more sub jobs
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# max_sub_jobs_layer = 0
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## in workflow-multibranch-plugin, each branch will be created as a sub job
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## this config will limit to call only the lasted branches
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## sub jobs fetch in each layer
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# empty will use default value 10
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# newest_sub_jobs_each_layer = 10
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# job_exclude = [ "MyJob", "MyOtherJob" ]
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## Node filter
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# node_exlude = [ "node1", "node2" ]
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## Woker pool for jenkins plugin only
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# empty this field will use default value 30
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# max_tcp_concurrent_connections = 30
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```
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### Measurements & Fields:
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- jenkins_node
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- disk_available
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- temp_available
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- memory_available
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- memory_total
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- swap_available
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- swap_total
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- response_time
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- jenkins_job
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- duration
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- result_code (0 = SUCCESS, 1 = FAILURE, 2 = NOT_BUILD, 3 = UNSTABLE, 4 = ABORTED)
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### Tags:
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- jenkins_node
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- arch
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- disk_path
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- temp_path
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- node_name
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- status ("online", "offline")
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- jenkins_job
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- job_name
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- result
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### Example Output:
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```
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$ ./telegraf --config telegraf.conf --input-filter jenkins --test
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jenkins_node,arch=Linux\ (amd64),disk_path=/var/jenkins_home,temp_path=/tmp,host=myhost,node_name=master swap_total=4294963200,memory_available=586711040,memory_total=6089498624,status=online,response_time=1000i,disk_available=152392036352,temp_available=152392036352,swap_available=3503263744 1516031535000000000
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jenkins_job,host=myhost,job_name=JOB1,result=SUCCESS duration=2831i,result_code=0i 1516026630000000000
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jenkins_job,host=myhost,job_name=JOB2,result=SUCCESS duration=2285i,result_code=0i 1516027230000000000
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```
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@ -0,0 +1,483 @@
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package jenkins
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import (
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"fmt"
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"log"
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"net/http"
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"reflect"
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"strconv"
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"strings"
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"sync"
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"time"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/internal"
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"github.com/influxdata/telegraf/internal/tls"
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"github.com/influxdata/telegraf/plugins/inputs"
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"github.com/kelwang/gojenkins"
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)
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// Jenkins plugin gathers information about the nodes and jobs running in a jenkins instance.
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type Jenkins struct {
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URL string
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Username string
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Password string
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// HTTP Timeout specified as a string - 3s, 1m, 1h
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ResponseTimeout internal.Duration
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tls.ClientConfig
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instance *gojenkins.Jenkins
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MaxTCPConcurrentConnections int `toml:"max_tcp_concurrent_connections"`
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MaxBuildAge internal.Duration `toml:"max_build_age"`
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MaxSubJobsLayer int `toml:"max_sub_jobs_layer"`
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NewestSubJobsEachLayer int `toml:"newest_sub_jobs_each_layer"`
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JobExclude []string `toml:"job_exclude"`
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jobFilter map[string]bool
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NodeExclude []string `toml:"node_exclude"`
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nodeFilter map[string]bool
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}
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type byBuildNumber []gojenkins.JobBuild
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const sampleConfig = `
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url = "http://my-jenkins-instance:8080"
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username = "admin"
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password = "admin"
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## Set response_timeout
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response_timeout = "5s"
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## Optional SSL Config
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# ssl_ca = /path/to/cafile
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# ssl_cert = /path/to/certfile
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# ssl_key = /path/to/keyfile
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## Use SSL but skip chain & host verification
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# insecure_skip_verify = false
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## Job & build filter
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# max_build_age = "1h"
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## jenkins can have unlimited layer of sub jobs
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## this config will limit the layers of pull, default value 0 means
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## unlimited pulling until no more sub jobs
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# max_sub_jobs_layer = 0
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## in workflow-multibranch-plugin, each branch will be created as a sub job
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## this config will limit to call only the lasted branches
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## sub jobs fetch in each layer
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# empty will use default value 10
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# newest_sub_jobs_each_layer = 10
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# job_exclude = [ "MyJob", "MyOtherJob" ]
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## Node filter
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# node_exlude = [ "node1", "node2" ]
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## Woker pool for jenkins plugin only
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# empty this field will use default value 30
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# max_tcp_concurrent_connections = 30
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`
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// measurement
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const (
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measurementNode = "jenkins_node"
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measurementJob = "jenkins_job"
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)
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type typedErr struct {
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level int
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err error
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reference string
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url string
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}
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// const of the error level, default 0 to be the errLevel
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const (
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errLevel int = iota
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continueLevel
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infoLevel
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)
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func wrapErr(e typedErr, err error, ref string) *typedErr {
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return &typedErr{
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level: e.level,
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err: err,
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reference: ref,
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url: e.url,
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}
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}
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func (e *typedErr) Error() string {
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if e == nil {
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return ""
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}
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return fmt.Sprintf("error "+e.reference+"[%s]: %v", e.url, e.err)
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}
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func badFormatErr(te typedErr, field interface{}, want string, fieldName string) *typedErr {
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return &typedErr{
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level: te.level,
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err: fmt.Errorf("fieldName: %s, want %s, got %s", fieldName, want, reflect.TypeOf(field).String()),
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reference: errBadFormat,
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url: te.url,
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}
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}
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// err references
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const (
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errParseConfig = "parse jenkins config"
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errConnectJenkins = "connect jenkins instance"
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errInitJenkins = "init jenkins instance"
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errRetrieveNode = "retrieving nodes"
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errRetrieveJobs = "retrieving jobs"
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errReadNodeInfo = "reading node info"
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errEmptyMonitorData = "empty monitor data"
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errBadFormat = "bad format"
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errRetrieveInnerJobs = "retrieving inner jobs"
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errRetrieveLatestBuild = "retrieving latest build"
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)
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// SampleConfig implements telegraf.Input interface
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func (j *Jenkins) SampleConfig() string {
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return sampleConfig
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}
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// Description implements telegraf.Input interface
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func (j *Jenkins) Description() string {
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return "Read jobs and cluster metrics from Jenkins instances"
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}
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// Gather implements telegraf.Input interface
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func (j *Jenkins) Gather(acc telegraf.Accumulator) error {
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var err error
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te := typedErr{
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url: j.URL,
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}
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if j.instance == nil {
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if tErr := j.initJenkins(te); tErr != nil {
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return tErr
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}
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}
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nodes, err := j.instance.GetAllNodes()
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if err != nil {
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return wrapErr(te, err, errRetrieveNode)
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}
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jobs, err := j.instance.GetAllJobNames()
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if err != nil {
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return wrapErr(te, err, errRetrieveJobs)
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}
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j.gatherNodesData(nodes, acc)
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j.gatherJobs(jobs, acc)
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return nil
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}
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func (j *Jenkins) initJenkins(te typedErr) *typedErr {
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// create instance
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tlsCfg, err := j.ClientConfig.TLSConfig()
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if err != nil {
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return wrapErr(te, err, errParseConfig)
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}
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client := &http.Client{
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Transport: &http.Transport{
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TLSClientConfig: tlsCfg,
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},
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Timeout: j.ResponseTimeout.Duration,
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}
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j.instance, err = gojenkins.CreateJenkins(client, j.URL, j.Username, j.Password).Init()
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if err != nil {
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return wrapErr(te, err, errConnectJenkins)
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}
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_, err = j.instance.Init()
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if err != nil {
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return wrapErr(te, err, errConnectJenkins)
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}
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// init job filter
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j.jobFilter = make(map[string]bool)
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for _, name := range j.JobExclude {
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j.jobFilter[name] = false
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}
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// init node filter
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j.nodeFilter = make(map[string]bool)
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for _, name := range j.NodeExclude {
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j.nodeFilter[name] = false
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}
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// init tcp pool with default value
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if j.MaxTCPConcurrentConnections <= 0 {
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j.MaxTCPConcurrentConnections = 30
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}
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// default sub jobs can be acquired
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if j.NewestSubJobsEachLayer <= 0 {
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j.NewestSubJobsEachLayer = 10
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}
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return nil
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}
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func (j *Jenkins) gatherNodeData(node *gojenkins.Node, te typedErr, fields map[string]interface{}, tags map[string]string) *typedErr {
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tags["node_name"] = node.Raw.DisplayName
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var ok bool
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if _, ok = j.nodeFilter[tags["node_name"]]; ok {
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(&te).level = continueLevel
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return &te
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}
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info := node.Raw
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if info.MonitorData.Hudson_NodeMonitors_ArchitectureMonitor == nil {
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return wrapErr(te, fmt.Errorf("check your permission"), errEmptyMonitorData)
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}
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tags["arch"], ok = info.MonitorData.Hudson_NodeMonitors_ArchitectureMonitor.(string)
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if !ok {
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return badFormatErr(te, info.MonitorData.Hudson_NodeMonitors_ArchitectureMonitor, "string", "hudson.node_monitors.ArchitectureMonitor")
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}
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tags["status"] = "online"
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if node.Raw.Offline {
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tags["status"] = "offline"
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}
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fields["response_time"] = info.MonitorData.Hudson_NodeMonitors_ResponseTimeMonitor.Average
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if diskSpaceMonitor := info.MonitorData.Hudson_NodeMonitors_DiskSpaceMonitor; diskSpaceMonitor != nil {
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diskSpaceMonitorRoute := "hudson.node_monitors.DiskSpaceMonitor"
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var diskSpace map[string]interface{}
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if diskSpace, ok = diskSpaceMonitor.(map[string]interface{}); !ok {
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return badFormatErr(te, diskSpaceMonitor, "map[string]interface{}", diskSpaceMonitorRoute)
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}
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if tags["disk_path"], ok = diskSpace["path"].(string); !ok {
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return badFormatErr(te, diskSpace["path"], "string", diskSpaceMonitorRoute+".path")
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}
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if fields["disk_available"], ok = diskSpace["size"].(float64); !ok {
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return badFormatErr(te, diskSpace["size"], "float64", diskSpaceMonitorRoute+".size")
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}
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}
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if tempSpaceMonitor := info.MonitorData.Hudson_NodeMonitors_TemporarySpaceMonitor; tempSpaceMonitor != nil {
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tempSpaceMonitorRoute := "hudson.node_monitors.TemporarySpaceMonitor"
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var tempSpace map[string]interface{}
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if tempSpace, ok = tempSpaceMonitor.(map[string]interface{}); !ok {
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return badFormatErr(te, tempSpaceMonitor, "map[string]interface{}", tempSpaceMonitorRoute)
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}
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if tags["temp_path"], ok = tempSpace["path"].(string); !ok {
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return badFormatErr(te, tempSpace["path"], "string", tempSpaceMonitorRoute+".path")
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}
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if fields["temp_available"], ok = tempSpace["size"].(float64); !ok {
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return badFormatErr(te, tempSpace["size"], "float64", tempSpaceMonitorRoute+".size")
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}
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}
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if swapSpaceMonitor := info.MonitorData.Hudson_NodeMonitors_SwapSpaceMonitor; swapSpaceMonitor != nil {
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swapSpaceMonitorRouter := "hudson.node_monitors.SwapSpaceMonitor"
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var swapSpace map[string]interface{}
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if swapSpace, ok = swapSpaceMonitor.(map[string]interface{}); !ok {
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return badFormatErr(te, swapSpaceMonitor, "map[string]interface{}", swapSpaceMonitorRouter)
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}
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if fields["swap_available"], ok = swapSpace["availableSwapSpace"].(float64); !ok {
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return badFormatErr(te, swapSpace["availableSwapSpace"], "float64", swapSpaceMonitorRouter+".availableSwapSpace")
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}
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if fields["swap_total"], ok = swapSpace["totalSwapSpace"].(float64); !ok {
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return badFormatErr(te, swapSpace["totalSwapSpace"], "float64", swapSpaceMonitorRouter+".totalSwapSpace")
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}
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if fields["memory_available"], ok = swapSpace["availablePhysicalMemory"].(float64); !ok {
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return badFormatErr(te, swapSpace["availablePhysicalMemory"], "float64", swapSpaceMonitorRouter+".availablePhysicalMemory")
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}
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if fields["memory_total"], ok = swapSpace["totalPhysicalMemory"].(float64); !ok {
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return badFormatErr(te, swapSpace["totalPhysicalMemory"], "float64", swapSpaceMonitorRouter+".totalPhysicalMemory")
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}
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}
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return nil
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}
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func (j *Jenkins) gatherNodesData(nodes []*gojenkins.Node, acc telegraf.Accumulator) {
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tags := map[string]string{}
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fields := make(map[string]interface{})
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baseTe := typedErr{
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url: j.URL + "/computer/api/json",
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}
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// get node data
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for _, node := range nodes {
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te := j.gatherNodeData(node, baseTe, fields, tags)
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if te == nil {
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acc.AddFields(measurementNode, fields, tags)
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continue
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}
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switch te.level {
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case continueLevel:
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continue
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default:
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acc.AddError(te)
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}
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}
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}
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func (j *Jenkins) gatherJobs(jobNames []gojenkins.InnerJob, acc telegraf.Accumulator) {
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jobsC := make(chan srcJob, j.MaxTCPConcurrentConnections)
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errC := make(chan *typedErr)
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var wg sync.WaitGroup
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for _, job := range jobNames {
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wg.Add(1)
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go func(job gojenkins.InnerJob) {
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jobsC <- srcJob{
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name: job.Name,
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parents: []string{},
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layer: 0,
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}
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}(job)
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}
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for i := 0; i < j.MaxTCPConcurrentConnections; i++ {
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go j.getJobDetail(jobsC, errC, &wg, acc)
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}
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go func() {
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wg.Wait()
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close(errC)
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}()
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select {
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case te := <-errC:
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if te != nil {
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acc.AddError(te)
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}
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}
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}
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func (j *Jenkins) getJobDetail(jobsC chan srcJob, errC chan<- *typedErr, wg *sync.WaitGroup, acc telegraf.Accumulator) {
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for sj := range jobsC {
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if j.MaxSubJobsLayer > 0 && sj.layer == j.MaxSubJobsLayer {
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wg.Done()
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continue
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}
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// exclude filter
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if _, ok := j.jobFilter[sj.name]; ok {
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wg.Done()
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continue
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}
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te := &typedErr{
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url: j.URL + "/job/" + strings.Join(sj.combined(), "/job/") + "/api/json",
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}
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jobDetail, err := j.instance.GetJob(sj.name, sj.parents...)
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if err != nil {
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go func(te typedErr, err error) {
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errC <- wrapErr(te, err, errRetrieveInnerJobs)
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}(*te, err)
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return
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}
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for k, innerJob := range jobDetail.Raw.Jobs {
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if k < len(jobDetail.Raw.Jobs)-j.NewestSubJobsEachLayer-1 {
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continue
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}
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wg.Add(1)
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// schedule tcp fetch for inner jobs
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go func(innerJob gojenkins.InnerJob, sj srcJob) {
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jobsC <- srcJob{
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name: innerJob.Name,
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parents: sj.combined(),
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layer: sj.layer + 1,
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}
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}(innerJob, sj)
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}
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// collect build info
|
||||
number := jobDetail.Raw.LastBuild.Number
|
||||
if number < 1 {
|
||||
// no build info
|
||||
wg.Done()
|
||||
continue
|
||||
}
|
||||
baseURL := "/job/" + strings.Join(sj.combined(), "/job/") + "/" + strconv.Itoa(int(number))
|
||||
// jobDetail.GetBuild is not working, doing poll directly
|
||||
build := &gojenkins.Build{
|
||||
Jenkins: j.instance,
|
||||
Depth: 1,
|
||||
Base: baseURL,
|
||||
Raw: new(gojenkins.BuildResponse),
|
||||
}
|
||||
status, err := build.Poll()
|
||||
if err != nil || status != 200 {
|
||||
if err == nil && status != 200 {
|
||||
err = fmt.Errorf("status code %d", status)
|
||||
}
|
||||
te.url = j.URL + baseURL + "/api/json"
|
||||
go func(te typedErr, err error) {
|
||||
errC <- wrapErr(te, err, errRetrieveLatestBuild)
|
||||
}(*te, err)
|
||||
return
|
||||
}
|
||||
|
||||
if build.Raw.Building {
|
||||
log.Printf("D! Ignore running build on %s, build %v", sj.name, number)
|
||||
wg.Done()
|
||||
continue
|
||||
}
|
||||
|
||||
// stop if build is too old
|
||||
|
||||
if (j.MaxBuildAge != internal.Duration{Duration: 0}) {
|
||||
buildSecAgo := time.Now().Sub(build.GetTimestamp()).Seconds()
|
||||
if time.Now().Sub(build.GetTimestamp()).Seconds() > j.MaxBuildAge.Duration.Seconds() {
|
||||
log.Printf("D! Job %s build %v too old (%v seconds ago), skipping to next job", sj.name, number, buildSecAgo)
|
||||
wg.Done()
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
gatherJobBuild(sj, build, acc)
|
||||
wg.Done()
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
type srcJob struct {
|
||||
name string
|
||||
parents []string
|
||||
layer int
|
||||
}
|
||||
|
||||
func (sj srcJob) combined() []string {
|
||||
return append(sj.parents, sj.name)
|
||||
}
|
||||
|
||||
func (sj srcJob) hierarchyName() string {
|
||||
return strings.Join(sj.combined(), "/")
|
||||
}
|
||||
|
||||
func gatherJobBuild(sj srcJob, build *gojenkins.Build, acc telegraf.Accumulator) {
|
||||
tags := map[string]string{"job_name": sj.hierarchyName(), "result": build.GetResult()}
|
||||
fields := make(map[string]interface{})
|
||||
fields["duration"] = build.GetDuration()
|
||||
fields["result_code"] = mapResultCode(build.GetResult())
|
||||
|
||||
acc.AddFields(measurementJob, fields, tags, build.GetTimestamp())
|
||||
}
|
||||
|
||||
// perform status mapping
|
||||
func mapResultCode(s string) int {
|
||||
switch strings.ToLower(s) {
|
||||
case "success":
|
||||
return 0
|
||||
case "failure":
|
||||
return 1
|
||||
case "not_built":
|
||||
return 2
|
||||
case "unstable":
|
||||
return 3
|
||||
case "aborted":
|
||||
return 4
|
||||
}
|
||||
return -1
|
||||
}
|
||||
|
||||
func init() {
|
||||
inputs.Add("jenkins", func() telegraf.Input {
|
||||
return &Jenkins{}
|
||||
})
|
||||
}
|
||||
|
|
@ -0,0 +1,92 @@
|
|||
package jenkins
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"testing"
|
||||
)
|
||||
|
||||
func TestErr(t *testing.T) {
|
||||
tests := []struct {
|
||||
err *typedErr
|
||||
output string
|
||||
}{
|
||||
{
|
||||
nil,
|
||||
"",
|
||||
},
|
||||
{
|
||||
&typedErr{
|
||||
reference: errConnectJenkins,
|
||||
url: "http://badurl.com",
|
||||
err: errors.New("unknown error"),
|
||||
},
|
||||
"error connect jenkins instance[http://badurl.com]: unknown error",
|
||||
},
|
||||
{
|
||||
wrapErr(typedErr{
|
||||
reference: errConnectJenkins,
|
||||
url: "http://badurl.com",
|
||||
err: errors.New("unknown error"),
|
||||
}, errors.New("2"), errEmptyMonitorData),
|
||||
"error empty monitor data[http://badurl.com]: 2",
|
||||
},
|
||||
{
|
||||
badFormatErr(typedErr{
|
||||
reference: errConnectJenkins,
|
||||
url: "http://badurl.com",
|
||||
err: errors.New("unknown error"),
|
||||
}, "20", "float64", "arch"),
|
||||
"error bad format[http://badurl.com]: fieldName: arch, want float64, got string",
|
||||
},
|
||||
}
|
||||
for _, test := range tests {
|
||||
output := test.err.Error()
|
||||
if output != test.output {
|
||||
t.Errorf("Expected %s, got %s\n", test.output, output)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestSrcJob(t *testing.T) {
|
||||
tests := []struct {
|
||||
input srcJob
|
||||
output string
|
||||
}{
|
||||
{
|
||||
srcJob{},
|
||||
"",
|
||||
},
|
||||
{
|
||||
srcJob{
|
||||
name: "1",
|
||||
parents: []string{"3", "2"},
|
||||
},
|
||||
"3/2/1",
|
||||
},
|
||||
}
|
||||
for _, test := range tests {
|
||||
output := test.input.hierarchyName()
|
||||
if output != test.output {
|
||||
t.Errorf("Expected %s, got %s\n", test.output, output)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestResultCode(t *testing.T) {
|
||||
tests := []struct {
|
||||
input string
|
||||
output int
|
||||
}{
|
||||
{"SUCCESS", 0},
|
||||
{"Failure", 1},
|
||||
{"NOT_BUILT", 2},
|
||||
{"UNSTABLE", 3},
|
||||
{"ABORTED", 4},
|
||||
}
|
||||
for _, test := range tests {
|
||||
output := mapResultCode(test.input)
|
||||
if output != test.output {
|
||||
t.Errorf("Expected %d, got %d\n", test.output, output)
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue