Jenkins build trigger、logRotator、buildDiscarder etc

Declarative Pipeline 与Job DSL的同一个功能的语法命令有些差异，不能直接套用，需要查对应的官方文档。

1.Jenkins Declarative Pipeline

语法如下

//Jenkinsfile (Declarative Pipeline)
pipeline {
    agent { label  'sbt' }
    options{
        buildDiscarder(logRotator(numToKeepStr:'5'))
        disableConcurrentBuilds()
    }
    triggers{
       pollSCM('H/2 * * * 1-5')
    }
    environment {
        MYBRANCH = "${env.BRANCH_NAME}"
        NEXUS_URL = '117.121.xxx.xx:443'
        BASE_IMAGE_TAG = "${NEXUS_URL}/${GROUP_NAME}/${SERVICE_NAME}"
        BRANCH_IMAGE_TAG = "${NEXUS_URL}/${GROUP_NAME}/${SERVICE_NAME}-${MYBRANCH}"
    }
...   
}

1.1 triggers

1.2 buildDiscarder

1.3 disableConcurrentBuilds

• daysToKeepStr: history is only kept up to this days.
• numToKeepStr: only this number of build logs are kept.
• artifactDaysToKeepStr: artifacts are only kept up to this days.
• artifactNumToKeepStr: only this number of builds have their artifacts kept.

1.4 environment

2.Jenkins Job DSL

语法如下

pipelineJob("${AndroidFolder}/nightly-build") {
  description """
<h3>
 Android Build for nightly build
</h3>
"""
  //@midnight This will run at some point between 0:00 and 2:59
  triggers{
    cron '''TZ=Asia/Shanghai
    @midnight
    '''
  }
  logRotator {
    artifactNumToKeep(30)
    numToKeep(30)
  }
  throttleConcurrentBuilds {
    maxTotal(1)
  }
  environmentVariables {
    env('GIT_URL', gitUrl)
    env('GIT_BRANCH', gitBranch)
    env('GIT_CREDENTIAL_ID', 'xxxx-git-ssh-private')
  }

2.1 triggers

2.2 logRotator

• artifactDaysToKeep: If specified, artifacts from builds older than this number of days will be deleted, but the logs, history, reports, etc for the build will be kept.
• artifactNumToKeep: If specified, only up to this number of builds have their artifacts retained.
• daysToKeep: If specified, build records are only kept up to this number of days.
• numToKeep: If specified, only up to this number of build records are kept.

2.3 throttleConcurrentBuilds
throttleConcurrentBuilds 需要单独给Jenkins安装插件 Throttle Concurrent Builds

2.4 environmentVariables

More Ref:

1. https://jenkins.io/doc/book/pipeline/syntax/#available-options
2. https://jenkinsci.github.io/job-dsl-plugin/#path/pipelineJob-logRotator
3. https://jenkinsci.github.io/job-dsl-plugin/#path/pipelineJob-triggers

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