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[jenkins] Scripted Pipeline lesson 2: Docker

Posted on November 14, 2021November 14, 2021 By nim No Comments on [jenkins] Scripted Pipeline lesson 2: Docker

Đầu tiền bạn cần cài đặt plugin sau:

Contents

  • 1) Prepare
    • 1.1) install Plugin Docker pipeline
    • 1.2) approve
    • 1.3) Needing vm jenkins that have docker
  • 2) Docker Images
  • 3)Docker Args
  • 4) Docker AlwaysPull
  • 5) Docker Custom Workspace
  • 6) RegistryUrl CredentialsId
  • 7) Dockerfile
  • 8) Dockerfile Directory
  • 9) Dockerfile Filename
  • 10) Dockerfile AdditionalBuildArgs
  • 11) Dockerfile Custom Workspace

1) Prepare

1.1) install Plugin Docker pipeline

1.2) approve

Sau đó khi run build nó sẽ cần bạn approve 1 số thứ

1.3) Needing vm jenkins that have docker

[Jenkins] Install Jenkins in VM or Physical Server
Bạn cần phải jenkins trên vm để run được 1 số khái báo bằng docker.
Xem hướng dẫn của mình.

Sau đó cấu hình kết nối giữa jenkins master và agent.

[Jenkins] Hướng dẫn kết nối kết nối Jenkins master và Agent

2) Docker Images

GIờ hình ta đã có hết mọi thứ, mình sẽ cung cấp cho bạn file script

node('jenkins-vm'){
    stage('build'){
        def  mavenImage = docker.image("maven:latest")
        
        mavenImage.inside{
            sh "mvn -v"
        }
    }
}
Đây là log rất chi tiết và dễ hiểu

3)Docker Args

Bài này chúng ta thêm env trong lúc run container.

node('jenkins-vm'){
    stage('build'){
        def  mavenImage = docker.image("maven:latest")
        
        mavenImage.inside('-e myEnv=nimtechnology', {
            sh 'echo $myEnv'
        })
    }
}
Bạn để ý đây là nháy đơn
Nếu để là nháy kép “” thì sẽ bị như lỗi trên

Còn nếu bạn nghe lời mình sẽ ko lỗi

4) Docker AlwaysPull

Chúng ta có pipeline script, Lúc nào jenkins của pull image

node('jenkins-vm'){
    stage('build'){
        def  mavenImage = docker.image("maven:latest")
        
        mavenImage.pull()
        
        mavenImage.inside('-e myEnv=nimtechnology', {
            sh 'echo $myEnv'
        })
    }
}

5) Docker Custom Workspace

node('jenkins-vm'){
    stage('build'){
        ws('/var/lib/jenkins/workspace/nodeDockerCustomWorkspace'){
            def  mavenImage = docker.image("maven:latest")
            
            mavenImage.inside('-e myEnv=nimtechnology', {
                sh 'echo $myEnv'
            })
        }
    }
}

6) RegistryUrl CredentialsId

node('jenkins-vm'){
    stage('build'){
        def  mavenImage = docker.withRegistry('https://docker.nimtechnology.com'){
            docker.image('docker.nimtechnology.com/dockerhub/kennethreitz/httpbin').inside{
                sh 'printenv'
            }
        }
    }
}

7) Dockerfile

node('jenkins-vm'){
    stage('build'){
        checkout([
            $class: 'GitSCM', 
            branches: [[name: "origin/master"]], 
            userRemoteConfigs: [[
                url: 'https://github.com/mrnim94/pipeline-agent-dockerfile.git'
            ]]
        ])
        def  myCustomUbuntuImage = docker.build("my-ubuntu:my-latest")
        
        myCustomUbuntuImage.inside{
            sh 'cat /etc/lsb-release'
        }
        
    }
}

8) Dockerfile Directory

node('jenkins-vm'){
    stage('build'){
        checkout([
            $class: 'GitSCM', 
            branches: [[name: "origin/master"]], 
            userRemoteConfigs: [[
                url: 'https://github.com/mrnim94/pipeline-agent-dockerfile-dir.git'
            ]]
        ])
        def  myCustomUbuntuImage = docker.build("my-ubuntu:my-latest", "./dockerfileDir")
        
        myCustomUbuntuImage.inside{
            sh 'cat /etc/lsb-release'
        }
        
    }
}

9) Dockerfile Filename

node('jenkins-vm'){
    stage('build'){
        checkout([
            $class: 'GitSCM', 
            branches: [[name: "origin/master"]], 
            userRemoteConfigs: [[
                url: 'https://github.com/mrnim94/pipeline-agent-dockerfile-filename.git'
            ]]
        ])
        def  myCustomUbuntuImage = docker.build("my-ubuntu:my-latest", "--file myCustomNameDockerfile .")
        
        myCustomUbuntuImage.inside{
            sh 'cat /etc/lsb-release'
        }
        
    }
}

10) Dockerfile AdditionalBuildArgs

node('jenkins-vm'){
    stage('build'){
        checkout([
            $class: 'GitSCM', 
            branches: [[name: "origin/master"]], 
            userRemoteConfigs: [[
                url: 'https://github.com/mrnim94/pipeline-agent-dockerfile.git'
            ]]
        ])
        def  myCustomUbuntuImage = docker.build("my-ubuntu:my-latest", "--tag my-dockerfile:example .")
        
        myCustomUbuntuImage.inside{
            sh 'cat /etc/lsb-release'
        }
        
    }
}

11) Dockerfile Custom Workspace

node('jenkins-vm'){
    stage('build'){
        ws('/var/lib/jenkins/workspace/nodeDockerCustomWorkspace'){
            checkout([
                $class: 'GitSCM', 
                branches: [[name: "origin/master"]], 
                userRemoteConfigs: [[
                    url: 'https://github.com/mrnim94/pipeline-agent-dockerfile.git'
                ]]
            ])
            def  myCustomUbuntuImage = docker.build("my-ubuntu:my-latest", "--tag my-dockerfile:example .")
            
            myCustomUbuntuImage.inside{
                sh 'cat /etc/lsb-release'
            }
        }
    }
}
Jenkins

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Previous Post: [Jenkins] Install Jenkins in VM or Physical Server
Next Post: [Istio] why does workload inject Istio that workload always connects fail database? – hold Application

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