我無法在Jenkinsfile管道中定義動態變數-有解無憂

我想在Jenkinsfile下面設定動態變數是我的Jenkinsfile

def determineProjectByBranch(branchName) {
  String projectName = "";

  if (branchName.contains("api")) {
    projectName = "api";
  } else if (branchName.contains("auth")) {
    projectName = "auth";
  }

  return projectName;
}

pipeline {
  agent any

  stages {
    stage("Build") {
      environment {
        PROJECT_NAME = determineProjectByBranch("${GIT_BRANCH}")
      }

      steps {
        script {
          PROJECT_NAME = determineProjectByBranch("${GIT_BRANCH}")
        }
        echo "branch name: ${GIT_BRANCH}"
        echo "project name: "   PROJECT_NAME // it shows empty value
        echo "project name: ${PROJECT_NAME}"
        sh "chmod  x gradlew"
        sh "./gradlew ${PROJECT_NAME}:clean ${PROJECT_NAME}:build"
      }
    }
  }
}

如您所見，我想使用函式來設定動態值，但我找不到動態設定變數的正確方法。

我也嘗試了下面的代碼，但它也沒有作業。

def determineProjectByBranch(branchName) {
  String projectName = "";

  if (branchName.contains("api")) {
    projectName = "api";
  } else if (branchName.contains("auth")) {
    projectName = "auth";
  }

  return projectName;
}

def projectName

pipeline {
  agent any

  stages {
    stage("Build") {
      steps {
        script {
          projectName = determineProjectByBranch("${GIT_BRANCH}")
        }
        echo "branch name: ${GIT_BRANCH}"
        echo "project name: "   projectName // it shows empty value
        echo "project name: ${projectName}"
        sh "chmod  x gradlew"
        sh "./gradlew ${projectName}:clean ${projectName}:build"
      }
    }
  }
}

您可能認為該函式回傳空值，但是當我使用以下代碼構建時，它顯示了預期值

def determineProjectByBranch(branchName) {
  String projectName = "";

  if (branchName.contains("api")) {
    projectName = "api";
  } else if (branchName.contains("auth")) {
    projectName = "auth";
  }

  return projectName;
}

def projectName

pipeline {
  agent any

  stages {
    stage("Build") {
      steps {
        echo "branch name: ${GIT_BRANCH}"
        echo "project name: "   determineProjectByBranch("${GIT_BRANCH}") // it shows expected value
        echo "project name: ${projectName}"
        sh "chmod  x gradlew"
        sh "./gradlew ${PROJECT_NAME}:clean ${PROJECT_NAME}:build"
      }
    }
  }
}

我不確定定義變數取決于 Jenkins 版本，但我的是 2.361.2。任何幫助將不勝感激提前謝謝你??

uj5u.com熱心網友回復：

我只是硬編碼了這些值并洗掉了不相關的部分，以下似乎對我來說很好。

def determineProjectByBranch(branchName) {
  String projectName = "";

  if (branchName.contains("api")) {
    projectName = "api";
  } else if (branchName.contains("auth")) {
    projectName = "auth";
  }

  return projectName;
}

pipeline {
  agent any

  stages {
    stage("Build") {
      environment {
        PROJECT_NAME = determineProjectByBranch("api123")
      }

      steps {
        echo "branch name:"
        echo "project name: "   PROJECT_NAME // it shows empty value
        echo "project name: ${PROJECT_NAME}"
      }
    }
  }
}

輸出

[Pipeline] withEnv
[Pipeline] {
[Pipeline] echo
branch name:
[Pipeline] echo
project name: api
[Pipeline] echo
project name: api
[Pipeline] }
[Pipeline] // withEnv
[Pipeline] }
[Pipeline] // stage

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標籤：詹金斯詹金斯管道jenkins-groovy

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