在Jenkins Pipeline中,可以通过使用parallel关键字来实现任务的并行处理。以下是一个示例,展示了如何在Jenkins Pipeline中实现并行处理:
pipeline { agent any parameters { string(name: 'TEST_BRANCH', defaultValue: 'develop', description: 'The test code branch') string(name: 'TEST_ENVS', defaultValue: 'chrome,safari,firefox', description: 'The test environments') string(name: 'AGENT_LABEL', defaultValue: 'build-arm64', description: 'The label selects jenkins node to run the env') } stages { stage('Checkout Script') { steps { checkout([$class: 'GitSCM', branches: [[name: "*/${params.TEST_BRANCH}"]], doGenerateSubmoduleConfigurations: false, submoduleCfg: [], userRemoteConfigs: [[credentialsId: scm.userRemoteConfigs[0].credentialsId, url: 'code repo from github']]]) script { def TEST_ENVIRONMENTS = params.TEST_BRANCH.split(',') // 可以准备一些其他预处理条件 } } } stage('Test in Parallel') { steps { def jobs = [:] for (env in TEST_ENVIRONMENTS) { jobs[env] = build(job: 'run_test_cases', parameters: [string(name: 'TEST_ENV', value: env), string(name: 'AGENT_LABEL', value: params.AGENT_LABEL)], propagate: false) } parallel jobs } } } } 在这个示例中,Test in Parallel阶段会并行执行多个子任务,每个子任务对应一个测试环境。jobs字典定义了每个测试环境的并行任务。
此外,Jenkins还支持在声明式Pipeline中执行并行任务流,这可以通过sequential stages功能实现。以下是一个示例:
pipeline { agent none stages { stage('Stage1') { agent { label "master" } steps { timestamps { echo '这是第一个被执行的 stage.' sleep 5 } } } stage("build, deploy and test on Windows and Linux") { parallel { stage("windows") { agent { label "master" } stages { stage("build") { steps { timestamps { echo "build on windows." } } } stage("deploy") { steps { timestamps { echo "deploy on windows." } } } stage("test") { steps { timestamps { echo "test on windows." sleep 5 } } } } } stage("linux") { agent { label "worker1" } stages { stage("build") { steps { timestamps { echo "build on linux." } } } stage("deploy") { steps { timestamps { echo "deploy on linux." } } } stage("test") { steps { timestamps { echo "test on linux." sleep 5 } } } } } } } stage('Stage3') { agent { label "worker1" } steps { timestamps { echo '这是最后一个被执行的 stage.' } } } } } 在这个示例中,build, deploy and test on Windows and Linux阶段被并行执行,分别针对Windows和Linux环境。
请注意,为了在Debian上运行这些Jenkins任务,您需要确保已经正确安装了Jenkins,并且已经配置了必要的插件和参数。