CICD—Jenkins Gitlab自动化打包java到K8S

姚敦林博客

360人浏览 · 2022-09-06 08:35:27

姚敦林博客 · 2022-09-06 08:35:27 发布

温馨提示：环境搭建：Jenkins、gitlab、两者之间打通；钉钉机器人创建都已省略自己问度娘文章很多（整个打包过程全自动，开发人员只需要提交代码就可以自动构建）。

架构图：

效果图：

构建完成发布消息到钉钉

第一步、安装依赖环境（kubectl、jdk）

JDK11安装

sudo apt-get install openjdk-11-jdk

或者手动安装JDK

tar -zxvf jdk-11.0.6.tar.gz -C /usr/local/

ln -s jdk-11.0.6 jdk

#jdk11

export JAVA_HOME=/usr/local/jdk

export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

export PATH=$PATH:$JAVA_HOME/bin

#安装maven3.6.3

tar -zxvf apache-maven-3.6.3.tar.gz /usr/local/

ln -s apache-maven-3.6.3 maven

export M2_HOME=/usr/local/maven

export CLASSPATH=$CLASSPATH:$M2_HOME/lib

export PATH=$PATH:$M2_HOME/bin

第二步、配置Jenkins任务

触发器

流水线配置

gitlab配置：

gitlab钩子设置

第三步：编写构建脚本，所有分支、环境都用一套脚本打包简化重复工作。

#!groovy

pipeline {

//代理

agent any

//环境变量

environment {

REPOSITORY="git@xxxxxxxxxxxxxxxxx.git" //git地址

PROJECT_NAME = "xxxxxxx" //服务名

PROJECT_NAME_YLCS = "xxxx" //服务名2

BRANCH_DEV= "xxx" //开发分支名

BRANCH_TEST = "xxxx" //测试分支

BRANCH_TEST_YLCS = "xxxxx" //测试分支

BRANCH_PRE = "xxxx" //演示分支

BRANCH_PROD = "xxxxx" //生产分支

NAMESPACE_DEV = "xxxxx" //开发命名空间

NAMESPACE_TEST = "xxxx" //测试命名空间

NAMESPACE_PRE = "xxxx" //演示命名空间

NAMESPACE_PROD = "xxxxx" //生产命名空间

IMAGE_TAG = "${sh(script:'date +%Y%m%d%H%M%S', returnStdout: true).trim()}" //镜像的tag值

IMAGE_REGISTRY = "xxxxxx" //镜像仓库地址

IMAGE_PROJECT = "xxxxx" //镜像项目地址

IMAGE_NAME = "${IMAGE_REGISTRY}/${IMAGE_PROJECT}/${PROJECT_NAME}:${IMAGE_TAG}" //镜像名称

JENKINSURL = "http://xxxxxx/xxxxx/job/" //jenkins任务回调地址

BRANCH_NAME = "${params.gitbranch}" //判断变量

SCRIPT_PATH="${WORKSPACE}/deploy/" //依赖包存放地址

}

//参数化构建

parameters {

gitParameter branch: '',

branchFilter: 'origin/(.*)',

defaultValue: 'XXXXXXX',

description: '请选择git分支',

name: 'gitbranch',

quickFilterEnabled: false,

selectedValue: 'NONE',

sortMode: 'DESCENDING_SMART',

tagFilter: '*',

type: 'PT_BRANCH',

useRepository: 'git@xxxxxxxxxxxxxxxxx.git'

}

stages {

stage('拉取代码') {

parallel {

//手动构建

stage('手动构建') {

when {

not{

environment name: 'BRANCH_NAME', value: 'XXXXXXX'

}

environment {

BRANCH_NAME = "${params.gitbranch}" //项目的命名空间

}

steps {

echo "从代码仓库${REPOSITORY}拉取代码，分支是：${BRANCH_NAME}"

deleteDir()

checkout([$class: 'GitSCM',

branches: [[name: "${BRANCH_NAME}"]],

extensions: [],

userRemoteConfigs: [[credentialsId: 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx', url: "${REPOSITORY}"]]

])

}

//自动构建

stage('自动构建') {

when {

environment name: 'BRANCH_NAME', value: 'XXXXXXX'

}

environment {

BRANCH_NAME = "${gitlabBranch}" //项目的命名空间

}

steps {

echo "从代码仓库${REPOSITORY}拉取代码，分支是：${BRANCH_NAME}"

deleteDir()

checkout([$class: 'GitSCM',

branches: [[name: "${BRANCH_NAME}"]],

extensions: [],

userRemoteConfigs: [[credentialsId: 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx', url: "${REPOSITORY}"]]

])

}

stage('编译代码') {

steps {

echo "start mvn build"

sh "mvn clean install -U"

echo "编译代码成功"

}

stage('构建并推送镜像') {

steps {

sh '''

cd ${WORKSPACE}

docker build -t ${IMAGE_NAME} .

docker push ${IMAGE_NAME}

'''

echo "构建并推送镜像成功"

}

stage('部署应用') {

parallel {

//手动

stage('手动部署应用') {

when {

not{

environment name: 'BRANCH_NAME', value: 'XXXXXXX'

}

environment {

BRANCH_NAME = "${params.gitbranch}" //项目的命名空间

}

steps{

script {

if(BRANCH_NAME==BRANCH_DEV){

env.NAMESPACE = "${NAMESPACE_DEV}"

env.KUBECONFIG = "/root/.kube/config.dev"

sh "kubectl --kubeconfig=${KUBECONFIG} set image deploy/${PROJECT_NAME} ${PROJECT_NAME}=${IMAGE_NAME} -n ${NAMESPACE}"

}

if(BRANCH_NAME==BRANCH_TEST){

env.NAMESPACE = "${NAMESPACE_TEST}"

env.KUBECONFIG = "/root/.kube/config"

sh "kubectl --kubeconfig=${KUBECONFIG} set image deploy/${PROJECT_NAME} ${PROJECT_NAME}=${IMAGE_NAME} -n ${NAMESPACE}"

}

if(BRANCH_NAME==BRANCH_TEST_YLCS){

env.NAMESPACE = "${NAMESPACE_TEST}"

env.KUBECONFIG = "/root/.kube/config"

sh "kubectl --kubeconfig=${KUBECONFIG} set image deploy/${PROJECT_NAME_YLCS} ${PROJECT_NAME_YLCS}=${IMAGE_NAME} -n ${NAMESPACE}"

}

if(BRANCH_NAME==BRANCH_PRE){

env.NAMESPACE = "${NAMESPACE_PRE}"

env.KUBECONFIG = "/root/.kube/config.pre"

sh "kubectl --kubeconfig=${KUBECONFIG} --insecure-skip-tls-verify set image deploy/${PROJECT_NAME} ${PROJECT_NAME}=${IMAGE_NAME} -n ${NAMESPACE}"

}

if(BRANCH_NAME==BRANCH_PROD){

env.NAMESPACE = "${NAMESPACE_PROD}"

env.KUBECONFIG = "/root/.kube/config.prod"

sh "kubectl --kubeconfig=${KUBECONFIG} set image deploy/${PROJECT_NAME} ${PROJECT_NAME}=${IMAGE_NAME} -n ${NAMESPACE}"

}

post {

success {

dingtalk (

robot:'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',

type:'LINK',

title: '本次构建成功，详情请点此次！！！',

text: ["- ${PROJECT_NAME}项目构建成功!!!\n- 构建分支为: ${BRANCH_NAME}\n- 持续时间:${currentBuild.durationString}\n- 任务:${BUILD_ID}"],

messageUrl:'${JENKINSURL}${JOB_NAME}/${BUILD_NUMBER}/console',

picUrl:'http://kmzsccfile.kmzscc.com/upload/2020/success.jpg'

)

}

failure {

dingtalk (

robot:'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',

type:'LINK',

title: '本次构建失败，详情请点此次！！！',

text: ["- ${PROJECT_NAME}项目构建失败!!!\n- 构建分支为:${BRANCH_NAME}\n- 持续时间:${currentBuild.durationString}\n- 任务:${BUILD_ID}"],

messageUrl:'${JENKINSURL}${JOB_NAME}/${BUILD_NUMBER}/console',

picUrl:'http://kmzsccfile.kmzscc.com/upload/2020/error.jpg',

)

}

//自动部署应用

stage('自动部署应用') {

when {

environment name: 'BRANCH_NAME', value: 'XXXXXXX'

}

environment {

BRANCH_NAME = "${gitlabBranch}" //项目的命名空间

}

steps{

script {

if(gitlabBranch==BRANCH_DEV){

env.NAMESPACE = "${NAMESPACE_DEV}"

env.KUBECONFIG = "/root/.kube/config.dev"

sh "kubectl --kubeconfig=${KUBECONFIG} set image deploy/${PROJECT_NAME} ${PROJECT_NAME}=${IMAGE_NAME} -n ${NAMESPACE}"

}

if(BRANCH_NAME==BRANCH_TEST){

env.NAMESPACE = "${NAMESPACE_TEST}"

env.KUBECONFIG = "/root/.kube/config"

sh "kubectl --kubeconfig=${KUBECONFIG} --insecure-skip-tls-verify set image deploy/${PROJECT_NAME} ${PROJECT_NAME}=${IMAGE_NAME} -n ${NAMESPACE}"

}

if(BRANCH_NAME==BRANCH_TEST_YLCS){

env.NAMESPACE = "${NAMESPACE_TEST}"

env.KUBECONFIG = "/root/.kube/config"

sh "kubectl --kubeconfig=${KUBECONFIG} set image deploy/${PROJECT_NAME_YLCS} ${PROJECT_NAME_YLCS}=${IMAGE_NAME} -n ${NAMESPACE}"

}

if(gitlabBranch==BRANCH_PRE){

env.NAMESPACE = "${NAMESPACE_PRE}"

env.KUBECONFIG = "/root/.kube/config.pre"

sh "kubectl --kubeconfig=${KUBECONFIG} --insecure-skip-tls-verify set image deploy/${PROJECT_NAME_PRE} ${PROJECT_NAME_PRE}=${IMAGE_NAME} -n ${NAMESPACE}"

}

if(gitlabBranch==BRANCH_PROD){

env.NAMESPACE = "${NAMESPACE_PROD}"

env.KUBECONFIG = "/root/.kube/config.prod"

sh "kubectl --kubeconfig=${KUBECONFIG} set image deploy/${PROJECT_NAME} ${PROJECT_NAME}=${IMAGE_NAME} -n ${NAMESPACE}"

}

post {

success {

dingtalk (

robot:'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',

type:'LINK',

title: '本次构建成功，详情请点此次！！！',

text: ["- ${PROJECT_NAME}项目构建成功!!!\n- 构建分支为: ${gitlabBranch}\n- 持续时间:${currentBuild.durationString}\n- 任务:${BUILD_ID}"],

messageUrl:'${JENKINSURL}${JOB_NAME}/${BUILD_NUMBER}/console',

picUrl:'http://kmzsccfile.kmzscc.com/upload/2020/success.jpg'

)

}

failure {

dingtalk (

robot:'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',

type:'LINK',

title: '本次构建失败，详情请点此次！！！',

text: ["- ${PROJECT_NAME}项目构建失败!!!\n- 构建分支为:${gitlabBranch}\n- 持续时间:${currentBuild.durationString}\n- 任务:${BUILD_ID}"],

messageUrl:'${JENKINSURL}${JOB_NAME}/${BUILD_NUMBER}/console',

picUrl:'http://kmzsccfile.kmzscc.com/upload/2020/error.jpg',

)

}

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