Jenkinsfile

pipeline {
    agent any
    environment {
        KUBECONFIG_ID = 'k8s_kubeconfig' // Jenkins中配置的kubeconfig秘钥ID
        DEPLOYMENT_NAME = 'trpc-demo' // k8s deployment名称
        CONTAINER_NAME = 'java' // k8s container名称
        IMAGE ='mirrors.tencent.com/trpc-demo/trpc-docker-demo' // 使用的docker image
    }
    parameters {
        // 要更新镜像到的目标tag
        string(name: 'IMAGE_TAG', defaultValue: 'latest', description: 'image tag')
    }
    stages {
        // 准备阶段：准备kubectl
        stage('Prepare') {
            steps {
                sh '''
                if [ ! -e ~/kubectl ]
                then
                    curl -LO https://storage.googleapis.com/kubernetes-release/release/v1.20.5/bin/linux/amd64/kubectl
                    mv kubectl ~/kubectl
                    chmod +x ~/kubectl
                fi
                '''
            }
        }
        // 部署阶段：使用kubectl set image命令更新镜像版本
        stage('Deploy') {
            steps {
                withKubeConfig(credentialsId: env.KUBECONFIG_ID) {
                    sh "~/kubectl set image deployment/${DEPLOYMENT_NAME} ${CONTAINER_NAME}=${IMAGE}:${params.IMAGE_TAG}"
                }
            }
        }
    }
}