[代码上线]-jenkins部署docker容器

第1章 pipeline写法

pipeline{ 
    agent any 

    parameters {
        gitParameter name: 'git_version', 
                     branchFilter: 'origin/(.*)',
                     type: 'PT_TAG',
                     defaultValue: 'v1.0',
                     description: '发布新版本'
        choice(name: 'base_image', choices: ['nginx:1.16','nginx:1.17'],description: '请选择基础镜像版本')
        choice(name: 'deploy_env', choices: ['deploy','rollback'],description: 'deploy: 发布版本
rollback: 回滚版本')               
             
    }

    stages{
        stage("下载代码"){ 
            steps{
                checkout([$class: 'GitSCM', 
                                   branches: [[name: '*/master']], 
                                   doGenerateSubmoduleConfigurations: false, 
                                   extensions: [[$class: 'RelativeTargetDirectory', 
                                   relativeTargetDir: 'game']], 
                                   submoduleCfg: [], 
                                   userRemoteConfigs: [[credentialsId: 'b8c1f793-47ed-4903-995d-2273673d8f87', 
                                   url: 'git@10.0.0.200:dev/docker-pipeline.git']]])
            }
        } 

        stage("编译镜像"){
            when {
                environment name: 'deploy_env', value: 'deploy'
            }
            steps{
                writeFile file: "Dockerfile", text: """FROM 10.0.0.205/base_image/${params.base_image}
ADD game /usr/share/nginx/html/"""
                sh "docker build -t 10.0.0.205/image/game:${params.git_version} . && docker push 10.0.0.205/image/game:${params.git_version}"               
            } 
        }

        stage("推送镜像"){
            when {
                environment name: 'deploy_env', value: 'deploy'
            }
            steps{
                sh "docker build -t 10.0.0.205/image/game:${params.git_version} . && docker push 10.0.0.205/image/game:${params.git_version}"               
            }         
        }

        stage("部署容器"){
            when {
                environment name: 'deploy_env', value: 'deploy'
            }         
            steps{
                sh 'ssh 10.0.0.204 "docker stop game && docker rm game && docker run --name game -p 80:80 -d 10.0.0.205/image/game:${git_version} && docker ps"'
            }
        } 

        stage("清理构建镜像"){
            when {
                environment name: 'deploy_env', value: 'deploy'
            }        
            steps{
                sh "docker rmi 10.0.0.205/image/game:${params.git_version}"
            }
        }

        stage("回滚容器"){
            when {
                environment name: 'deploy_env', value: 'rollback'
            }

            steps{
                sh 'ssh 10.0.0.204 "docker stop game && docker rm game && docker run --name game -p 80:80 -d 10.0.0.205/image/game:${git_version} && docker ps"'
            }         
        }         
    }
}