如何在詹金斯（Jenkins）中的嵌套阶段{}块中执行帖子{}部分？

发布于 2025-01-28 09:21:07 字数 883 浏览 3 评论 0原文

如何获得以下post部分运行？这个想法是根据myList的内容生成并行运行阶段。

stage("Dynamic stages"){
  steps{
    stageMap = [:]
    script {
      for (element in myList) {
        stageMap[element] = {
          stage("Stage 1 of ${element}"){
            echo "Stage 1"
          }
          stage("Stage 2 ${element}"){
            echo "Stage 2"
            post{
              failure{
                echo "Stage 2 failed!"
              }
            }
          }
        }
      }
    }
    parallel stageMap
  }
}

该构建失败，以下错误

Also:   java.lang.NoSuchMethodError: No such DSL method 'post' found among steps...

jenkins doc 可以

肯定的是，有很多允许的步骤列表，并且帖子不在其中。我是否缺少某些内容，或者Doc不清楚此案？

原文

How do I get the following post section to run?
The idea is to generate parallel running stages as per the contents of myList.

stage("Dynamic stages"){
  steps{
    stageMap = [:]
    script {
      for (element in myList) {
        stageMap[element] = {
          stage("Stage 1 of ${element}"){
            echo "Stage 1"
          }
          stage("Stage 2 ${element}"){
            echo "Stage 2"
            post{
              failure{
                echo "Stage 2 failed!"
              }
            }
          }
        }
      }
    }
    parallel stageMap
  }
}

The build fails with the following error

Also:   java.lang.NoSuchMethodError: No such DSL method 'post' found among steps...

The Jenkins doc however says it is allowed

Sure enough there is a big list of allowed steps and post is not among those.
Am I missing something or is the doc not clear about this case?

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墨小沫ゞ 2025-02-04 09:21:07

post {}仅在声明管道中可用，但不在声明管道的脚本部分中。您可以使用尝试{} catch {}。

还有另一个错误：您正在闭合内使用循环变量元素，这无法正常工作。闭合捕获元素变量，但是当闭合运行时，其值将始终是循环的最后值。为了解决此问题，我已将循环变量分配给新的本地变量curelement，这将是每次迭代的新实例，因此它会按预期捕获。

stage("Dynamic stages"){
  steps{
    stageMap = [:]
    script {
      for (element in myList) {
        def curElement = element

        stageMap[element] = {
          stage("Stage 1 of ${curElement}"){
            echo "Stage 1"
          }
          stage("Stage 2 ${curElement}"){
            echo "Stage 2"
            try {
                // some steps that may fail
            }
            catch( Exception e ) {
                echo "Stage 2 failed! Error: $e"
                throw  // Rethrow exception, to let the build fail.
            }
          }
        }
      }
    }
    parallel stageMap
  }
}

post{} is only available in declarative pipeline, but not within a scripted section of a declarative pipeline. You can use try{} catch{} instead.

There is another error: You are using loop variable element within a closure, which doesn't work as expected. The closure captures the element variable, but when the closure runs, its value will always be the last value of the loop. To fix this, I have assigned the loop variable to new local variable curElement, which will be a new instance for every iteration, so it gets captured as expected.

stage("Dynamic stages"){
  steps{
    stageMap = [:]
    script {
      for (element in myList) {
        def curElement = element

        stageMap[element] = {
          stage("Stage 1 of ${curElement}"){
            echo "Stage 1"
          }
          stage("Stage 2 ${curElement}"){
            echo "Stage 2"
            try {
                // some steps that may fail
            }
            catch( Exception e ) {
                echo "Stage 2 failed! Error: $e"
                throw  // Rethrow exception, to let the build fail.
            }
          }
        }
      }
    }
    parallel stageMap
  }
}

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