DevOps, Infra

[Jenkins] Jenkinsfile

seulseul 2022. 12. 28. 00:42

목차

 

    1. Dockerizing (도커라이징)

    pipeline {

agent any
    environment {
        SOURCECODE_JENKINS_CREDENTIAL_ID = 'jei0486'
        SOURCE_CODE_URL = 'https://github.com/jei0486/demo-fe'
        RELEASE_BRANCH = 'main'
        REGISTRY = 'jei0486/demo-fe'
    }

    stages {
        stage('init') {
            steps {
                echo 'init'
                echo "Current workspace : ${workspace}"
            }
        }

        stage('clone') {
            steps {
                echo 'clone'
                git url: "$SOURCE_CODE_URL",
                branch: "$RELEASE_BRANCH",
                credentialsId: "$SOURCECODE_JENKINS_CREDENTIAL_ID"
                sh "ls -al"
            }
        }

        stage('build') {
            steps {
                sh 'pwd'
                sh '''
                chmod +x gradlew
                ./gradlew clean bootJar
                '''
            }
        }

        stage('dockerizing'){
            steps{
                sh '''
                pwd
                docker image build -f Dockerfile -t $REGISTRY:${TAG} .
                '''
            }
        }

        stage('Deploy docker image') {
            steps {
                withDockerRegistry([ credentialsId: 'dockerhub', url: '' ]) {
					sh 'docker push $REGISTRY:${TAG}'
                }
            }
        }
    }

    post {
        always {
            cleanWs()
        }
    }
}

    Dockerfile

    FROM openjdk:11.0.11-jre-slim
EXPOSE 9099

RUN mkdir /app

COPY ./build/libs/*-SNAPSHOT.jar ./app/application.jar

ENTRYPOINT ["java","-jar","/app/application.jar"]

     

    2. jib

    2.1. Jenkinsfile

    pipeline {
    agent any
    environment {
        SOURCECODE_JENKINS_CREDENTIAL_ID = 'jei0486'
        SOURCE_CODE_URL = 'https://github.com/jei0486/demo-api'
        RELEASE_BRANCH = 'main'
        REGISTRY = 'jei0486/demo-api'
    }

    stages {

        stage('init') {
            steps {
                echo 'init'
                echo "Current workspace : ${workspace}"
            }
        }

      stage('clone') {
        steps {
            echo 'clone'
            git url: "$SOURCE_CODE_URL",
            branch: "$RELEASE_BRANCH",
            credentialsId: "$SOURCECODE_JENKINS_CREDENTIAL_ID"
            sh 'ls'
        }
      }

      stage('Gradle Build') {
        steps {
            echo 'build'
            sh '''
            chmod +x gradlew
            ./gradlew clean bootJar
            '''
         }
      }

        stage('Publish-release') {
            steps {
                withDockerRegistry([ credentialsId: 'dockerhub', url: '']) {
                      sh '''
                      ./gradlew jib -Ddocker.repo.username=$USERNAME -Ddocker.repo.password=$PASSWORD
                      '''
                  }
            }
        }
    }

    post {
        always {
            cleanWs()
        }
    }
}

    2.2. Jenkins credential 추가


    Name : docker.repo / Credential type : Username with password

    credential

    2.3. jib 관련 설정

    https://github.com/GoogleContainerTools/jib/tree/master/jib-maven-plugin#war-projects

     

    GitHub - GoogleContainerTools/jib: 🏗 Build container images for your Java applications.

    🏗 Build container images for your Java applications. - GitHub - GoogleContainerTools/jib: 🏗 Build container images for your Java applications.

    github.com

    2.3.1. build.gradle 추가 (gradle 일 경우)

    jib {
	from {
		image='openjdk:11.0.14.1-jre'
	}

	to {
		image='jei0486/demo-api'

		def imageTag = System.getenv('TAG') ?: 'v1'

		tags=[imageTag]
	}

	container {
		creationTime='USE_CURRENT_TIMESTAMP'
		format='OCI'
	}

	extraDirectories {
		paths {
			path {
				from = file('build/libs')
			}
		}
	}
}

    2.3.2. pom.xml 추가 (maven 일 경우)

    <plugin>
	<groupId>com.google.cloud.tools</groupId>
	<artifactId>jib-maven-plugin</artifactId>
  <version>3.3.1</version>
  <configuration>
    <from>
	 <image>openjdk:11.0.14.1-jre</image>
	</from>
    <to>
     <image>registry.hub.docker.com/jei0486/demo-api</image>
    </to>
    <container>
	 <creationTime>USE_CURRENT_TIMESTAMP</creationTime>
	 <format>OCI</format>
    </container>
  </configuration>
</plugin>

    3. Skaffold

    pipeline {
    agent any
    environment {
        PATH = "$PATH:/usr/local/bin/"  // skaffold, gradle path
        SOURCECODE_JENKINS_CREDENTIAL_ID = 'jei0486'
        SOURCE_CODE_URL = 'https://github.com/jei0486/demo-scg'
        RELEASE_BRANCH = 'main'
        REGISTRY = 'jei0486/demo-scg'
    }

    stages {

        stage('init') {
            steps {
                echo 'init'
                echo "Current workspace : ${workspace}"
            }
        }

	      stage('clone') {
	        steps {
	            echo 'clone'
	            git url: "$SOURCE_CODE_URL",
	            branch: "$RELEASE_BRANCH",
	            credentialsId: "$SOURCECODE_JENKINS_CREDENTIAL_ID"
	            sh 'ls -al'
	        }
	      }

	    stage('Build') {
	      steps {
	            withDockerRegistry([ credentialsId: 'dockerhub', url: '' ]) {
	               sh "skaffold build -p dev -t ${TAG}"
	            }
	        }
	     }
  }

   post {
        always {
            cleanWs()
        }
    }
}

     

    4. Skaffold + GitOps + Branch

    pipeline {
    agent any
    environment {
        PATH = "$PATH:/usr/local/bin/"  // skaffold , argocd path
        SOURCECODE_JENKINS_CREDENTIAL_ID = 'jei0486'
        SOURCE_CODE_URL = 'https://github.com/jei0486/demo-scg'
        RELEASE_BRANCH = 'main'
        GIT_OPS_URL = 'github.com/jei0486/demo-gitops.git'
        GIT_OPS_BRANCH = 'main'
        REGISTRY = 'jei0486/demo-scg'
    }

    stages {

        stage('init') {
            steps {
                echo 'init'
                echo "Current workspace : ${workspace}"
            }
        }

       stage('checkout') {
         steps {
             echo 'checkout'
             checkout scm: [
                     $class: "GitSCM",
                     userRemoteConfigs: [[url: "$SOURCE_CODE_URL",
                     credentialsId: "$SOURCECODE_JENKINS_CREDENTIAL_ID" ]],
                     branches: [[name: "refs/tags/${TAG}"]]],
                     poll: false
         }
       }

        stage('Build') {
            steps {
                sh """
                chmod +x gradlew
                ./gradlew clean bootJar -Dspring.profiles.active=dev
                """
            }
        }

        stage('Skaffold') {
            steps {
                withDockerRegistry([ credentialsId: 'dockerhub', url: '' ]) {
                  sh "skaffold build -p dev -t ${TAG}"

                }
            }
        }

        stage('workspace clear'){
            steps {
                cleanWs()
            }
        }

        stage('GitOps Update') {

            steps {
               print "GitOps Update"

               withCredentials([string(credentialsId: "$SOURCECODE_JENKINS_CREDENTIAL_ID", variable: 'SECRET')]) {
               //set SECRET with the credential content

               git url: "https://$GIT_OPS_URL",
                   branch: "$GIT_OPS_BRANCH",
                   credentialsId: "$SOURCECODE_JENKINS_CREDENTIAL_ID"
                      sh '''
                        ls -la
                        cd ./demo-scg/rolling-update
                        kustomize edit set image jei0486/demo-scg:${TAG}
                        git config user.email "jei0486@gmail.com"
                        git config user.name "jei0486"
                        git add .
                        git commit -am "update image tag ${TAG}"
                        git remote set-url --push origin https://${SECRET}@$GIT_OPS_URL
                        git push origin $GIT_OPS_BRANCH
                        '''
                }
            }
       }

    }

    post {
        always {
            cleanWs()
        }
    }
}

     

    5. Skaffold + GitOps + CustomVersionTag

    def customVersion = "P" + env.BUILD_NUMBER

pipeline {
    agent any
    environment {
        PATH = "$PATH:/usr/local/bin/"  // skaffold , argocd path
        SOURCECODE_JENKINS_CREDENTIAL_ID = 'jei0486'
        SOURCE_CODE_URL = 'https://github.com/jei0486/demo-scg'
        RELEASE_BRANCH = 'main'
        GIT_OPS_URL = 'github.com/jei0486/demo-gitops.git'
        GIT_OPS_BRANCH = 'main'
        REGISTRY = 'jei0486/demo-scg'
    }

    stages {

        stage('init') {
            steps {
                echo 'init'
                echo "Current workspace : ${workspace}"
                echo "Build Number: ${env:BUILD_NUMBER}"
                echo "customVersion: ${customVersion}"
            }
        }

       stage('clone') {
             steps {
                        echo 'clone'
                        git url: "$SOURCE_CODE_URL",
                        branch: "$RELEASE_BRANCH",
                        credentialsId: "$SOURCECODE_JENKINS_CREDENTIAL_ID"
                        sh "ls -al"
              }
       }

        stage('Build') {
            steps {
                sh """
                chmod +x gradlew
                ./gradlew clean bootJar -Dspring.profiles.active=dev
                """
            }
        }

       stage('Skaffold') {
            steps {
                withDockerRegistry([ credentialsId: 'dockerhub', url: '' ]) {
                  sh "skaffold build -p dev -t ${customVersion}"
                }
            }
        }


        stage('workspace clear'){
            steps {
                cleanWs()
            }
        }

        stage('GitOps Update') {

            steps {
               print "GitOps Update"

               withCredentials([string(credentialsId: "$SOURCECODE_JENKINS_CREDENTIAL_ID", variable: 'SECRET')]) { //set SECRET with the credential content

                   git url: "https://$GIT_OPS_URL",
                       branch: "$GIT_OPS_BRANCH",
                       credentialsId: "$SOURCECODE_JENKINS_CREDENTIAL_ID"
                          sh """
                            ls -la
                            cd ./demo-scg/blue-green
                            kustomize edit set image jei0486/demo-scg:${customVersion}
                            git config user.email "jei0486@gmail.com"
                            git config user.name "jei0486"
                            git add .
                            git commit -am 'update image tag ${customVersion}'
                            git remote set-url --push origin https://${SECRET}@$GIT_OPS_URL
                            git push origin $GIT_OPS_BRANCH
                            """
               }
            }
       }

    }

    post {
        always {
            cleanWs()
        }
    }

}
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