个人笔记: jenkins参数化构建

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本文介绍了如何在jenkins中进行参数化构建，详细讲述了流水线代码的改造过程，包括改造后的流水线结构及所使用的变量。此外，还探讨了如何实现可联动的参数化构建，提到了Active Choices Plug-in和Git Parameter插件的安装和配置，以及参数化构建过程中添加参数的步骤。

jenkins参数化构建

git代码：https://gitee.com/Squirrel_Aha/rancher-pipeline-demo.git

1.流水线代码

//jenkins+rancher流水线测试
pipeline {
	agent any
	stages {
		stage('git代码拉取') {
			//拉代码
			steps {
				checkout([$class:'GitSCM',branches:[[name:'*/master']],extensions:[],userRemoteConfigs:[[credentialsId:'gitee',url:'https://gitee.com/Squirrel_Aha/rancher-pipeline-demo.git']]])
			}
		}
		stage('maven打包') {
			//打包
			steps {
				sh "mvn clean -U install -Dmaven.test.skip=true"
			}
		}
		stage('打docker镜像') {
			// 打镜像
			steps {
				// sh "mvn dockerfile:build"
				sh "docker build -t 192.168.16.44:5000/rancher-pipeline-demo:latest --build-arg JAR_FILE_NAME=rancher-pipeline-demo-0.0.1-SNAPSHOT.jar --build-arg JAR_PORT=8888 ./target"
			}
		}
		stage('推送镜像到仓库') {
			// 推送镜像
			steps {
				// sh "mvn dockerfile:build"
				sh "docker push 192.168.16.44:5000/rancher-pipeline-demo:latest"
			}
		}
		stage('部署服务') {
			// 通知rancher部署服务
			steps {
				rancherRedeploy alwaysPull: true, credential: 'rancher', images: '192.168.16.44:5000/rancher-pipeline-demo:latest', workload: '/project/c-rw7dq:p-4fdxr/workloads/deployment:test:rancher-pipeline-demo'
			}
		}
	}
}

2.改造流水线

2.1 改造后的流水线

//jenkins+rancher流水线测试
pipeline {
	agent any
	stages {
		stage('git代码拉取') {
			//拉代码
			steps {
				checkout([$class:'GitSCM',branches:[[name:'$git_branche']],extensions:[],userRemoteConfigs:[[credentialsId:'$git_credential',url:'$git_url']]])
			}
		}
		stage('maven打包') {
			//打包
			steps {
				sh "mvn clean -U install -Dmaven.test.skip=true"
			}
		}
		stage('打docker镜像') {
			// 打镜像
			steps {
				// sh "mvn dockerfile:build"
				sh "docker build -t $docker_registry_url/$project_name:$docker_tag --build-arg JAR_FILE_NAME=$project_name-0.0.1-SNAPSHOT.jar --build-arg JAR_PORT=$project_port ./target"
			}
		}
		stage('推送镜像到仓库') {
			// 推送镜像
			steps {
				// sh "mvn dockerfile:build"
				sh "docker push $docker_registry_url/$project_name:$docker_tag"
			}
		}
		stage('部署服务') {
			// 通知rancher部署服务
			steps {
				rancherRedeploy alwaysPull: true, credential: '$rancher_credential', images: '$docker_registry_url/$project_name:$docker_tag', workload: '$rancher_workload'
			}
		}
	}
}

2.2 改造后的流水线用到的变量

变量名	变量描述
project_name	项目名
git_branche	git分支
git_credential	git仓库凭据
git_url	git仓库地址
docker_registry_url	docker镜像仓库地址
docker_tag	docker镜像tag
project_port	docker容器要暴露的服务端口
rancher_credential	rancher凭据
rancher_workload	rancher工作负载路径

3.可联动的参数化构建

3.1 Active Choices Plug-in和Git Parameter

可联动的参数化构建改造需要安装Active Choices Plug-in和Git Parameter

3.2 参数配置

3.2.1 参数化构建过程-添加参数

Git Parameter

Name	Description	Parameter Type	Default Value
git_branche	git分支	Branche	master

Active Choices Parameter

Name	Script	Fallback Script	Description	Choice Type
task_name	return [“demo1”,“demo2”];	return [“nothing to choose”];	任务名	Single Select

Active Choices Reactive Parameter

Name	Script	Fallback Script	Description	Choice Type	Referenced parameters
project_name	switch(task_name){ case “demo1”: case “demo2”: return [“rancher-pipeline-demo”]; default: return [“nothing to choose”]; }	return [“nothing to choose”];	项目名	Single Select	task_name
git_credential	switch(task_name){ case “demo1”: case “demo2”: return [“gitee”]; default: return [“nothing to choose”]; }	return [“nothing to choose”];	git仓库凭据	Single Select	task_name
git_url	switch(task_name){ case “demo1”: case “demo2”: return [“https://gitee.com/Squirrel_Aha/rancher-pipeline-demo.git”]; default: return [“nothing to choose”]; }	return [“nothing to choose”];	git仓库地址	Single Select	task_name
docker_registry_url	switch(task_name){ case “demo1”: case “demo2”: return [“192.168.16.44:5000”]; default: return [“nothing to choose”]; }	return [“nothing to choose”];	docker镜像仓库地址	Single Select	task_name
docker_tag	switch(task_name){ case “demo1”: case “demo2”: return [“latest”]; default: return [“nothing to choose”]; }	return [“nothing to choose”];	docker镜像tag	Single Select	task_name
project_port	switch(task_name){ case “demo1”: case “demo2”: return [“8888”]; default: return [“nothing to choose”]; }	return [“nothing to choose”];	docker容器要暴露的服务端口	Single Select	task_name
rancher_credential	switch(task_name){ case “demo1”: case “demo2”: return [“rancher”]; default: return [“nothing to choose”]; }	return [“nothing to choose”];	rancher凭据	Single Select	task_name
rancher_workload	switch(task_name){ case “demo1”: return ["/project/c-s6thx:p-gbdf2/workloads/deployment:test:demo1"]; case “demo2”: return ["/project/c-s6thx:p-gbdf2/workloads/deployment:test:demo2"]; default: return [“nothing to choose”]; }	return [“nothing to choose”];	rancher工作负载路径	Single Select	task_name