一、JenkinsFile 语法参数 env_tools

• 环境工具变量的定义
• 设置位置： “Manage Jenkins”-> “Tools”
  
  
  

stage('env tools') {
    node('test'){        
       //定义maven java环境
        def mvnHome = tool 'MAVEN_HOME_CentOS'
    
        //引用环境变量，配置PATH变量
        env.PATH = "${mvnHome}/bin:${env.PATH}"
    
        //调用 mvn 工具
        sh "mvn --version"
    }
}
node{
    stage('Example') {
        if (env.BRANCH_NAME == 'master') {
            echo 'I only execute on the master branch'
        } else {
            echo 'I execute else branch'
        }
        try {
            echo "This is in the try block."
            sh 'exit 1'
        }catch (exc) {
            echo "Something failed, I'm in the catch block."
        }finally {
            echo "Finally, I'm in the finally block."

        }
    }
}