jenkins【agent/node】汇总

本文主要是介绍jenkins【agent/node】汇总，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

1. 静态的agent/node使用

pipeline{

    // agent any

    agent{
        // node "node1"
        // node "node2"
        label 'master'
    }

2. 动态的agent/node使用

def AGENT_LABEL = null

node('master') {
  stage('Checkout and set agent'){
     checkout scm
     ### Or just use any other approach to figure out agent label: read file, etc
     if (env.BRANCH_NAME == 'master') {
        AGENT_LABEL = "prod"
     } else {
        AGENT_LABEL = "dev"
     }
   }
}

pipeline {
    agent {
       label "${AGENT_LABEL}"
    }

    stages {
        stage('Normal build') {
           steps {
              echo "Running in ${AGENT_LABEL}"
              sh "hostname"
           }
        } 

        stage ("Docker build") {
           agent{
             dockerfile {
                dir 'Dockerfiles'
                label "${AGENT_LABEL}"
             }
            }
            steps{
                sh "hostname"
            }
        }
    }
}

3. 如何获取分配了标签的所有Jenkins节点的列表,包括主节点？

@NonCPS
def hostNames(label) {
  def nodes = []
  jenkins.model.Jenkins.instance.computers.each { c ->
    if (c.node.labelString.contains(label)) {
      nodes.add(c.node.selfLabel.name)
    }
  }
  return nodes
}


@NonCPS
def hostNames(label) {
    def nodes = []
    jenkins.model.Jenkins.get.computers.each { c ->
        c.node.labelString.split(/\s+/).each { l ->
            if (l != null && l.equals(label)) {
                nodes.add(c.node.selfLabel.name)
             }
        }
    }

    return nodes
}

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