pipline中替换tag变量

实验架构:

192.168.0.96    gitlab

192.168.0.97    jenkins

192.168.0.98    harbor、docker集群


说明:下面代码编译镜像那一步的代码必须靠左,目的是不要有空格,否则报错,deploy那一步也必须是那种格式,否则报错

安装完jenkins后首先生成pipeline可以用的git链接地址


pipeline {
    agent any
    stages {
        stage('git checkout'){
            steps {
                echo 'git clone'
                checkout([$class: 'GitSCM', branches: [[name: '*/master']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[credentialsId: 'c32a3a24-2c9d-4c8d-b456-9d6d0badf3a2', url: 'http://192.168.0.96:8081/zihao/test.git']]])
            }
        }
        stage('maven build'){
            steps {
                echo 'maven build'
                    sh '''
                export JAVA_HOME=/usr/local/jdk1.8.0_171/
                     /usr/local/apache-maven-3.5.4/bin/mvn clean package -Dmaven.test.skip=true
                '''
            }
        }

        stage('docker build and push images'){
            steps {
echo 'docker build and push images'
sh '''
REPOSITORY=192.168.0.98:5000/library/solo/solo:${Tag}
cat >Dockerfile<<EOF
FROM 192.168.0.98:5000/library/tomcat-85:latest
RUN rm -rf /usr/local/tomcat/webapps/ROOT/
COPY target/*.war /usr/local/tomcat/webapps/ROOT.war
WORKDIR /usr/local/tomcat
EXPOSE 8080
CMD ["./bin/catalina.sh", "run"]
EOF
docker build -t $REPOSITORY .
docker login -u admin -p Harbor12345 192.168.0.98:5000
docker push $REPOSITORY
'''
            }
            }

        stage('deploy'){
            steps {
echo 'deploy'
sh '''
REPOSITORY=192.168.0.98:5000/library/solo/solo:${Tag}
cat >deployment.yaml<<EOF
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: http-test-dm
spec:
  replicas: 1
  template:
    metadata:
      labels:
        name: http-test-dm
    spec:
      containers:
      - name: http-test-con
        image: $REPOSITORY
    imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 80
EOF
'''
            }
            }

    }
}


把上面的$REPOSITORY镜像替换成真实的镜像,执行完查看结果如下:

[root@bogon ~]# ls /root/.jenkins/workspace/pipline-test/
CHANGE_LOGS.html    deployment.yaml     Dockerfile   package.json       PULL_REQUEST_TEMPLATE.md  scripts  说明.htm
CODE_OF_CONDUCT.md  deploy.sh           gulpfile.js  package-lock.json  README.md                 src
CONTRIBUTING.md     docker-compose.yml  LICENSE      pom.xml            read.txt                  target
[root@bogon ~]# cat /root/.jenkins/workspace/pipline-test/deployment.yaml 
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: http-test-dm
spec:
  replicas: 1
  template:
    metadata:
      labels:
        name: http-test-dm
    spec:
      containers:
      - name: http-test-con
        image: 192.168.0.98:5000/library/solo/solo:1.0.2
    imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 80



说明:远程执行命令前提需要安装ssh agent插件,

现在ssh agent的认证,已不支持明文用户密码,而只能用加密方式实现。

所以先在jenknis和docker集群之间实现ssh免密码rsa证书登陆。

私钥放jenkins,公钥放在docker集群,然后,将私钥拿出来,写入到jenkins凭据

参照:https://blog.csdn.net/weixin_34067980/article/details/86444168



脚本参照:

https://blog.csdn.net/jackyzhousales/article/details/81713004

https://blog.csdn.net/a1010256340/article/details/83989059


生成pipeline可以用的git链接地址参照:

https://www.cnblogs.com/FRESHMANS/p/8184874.html
 

 

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