azure - 有没有办法循环 Azure DevOps 中 stageDependency 的所有输出？

Question

我想循环遍历依赖阶段的所有输出，并检查其中是否有任何输出被设置为表明存在问题的特定值。这可能吗？如果可能的话，如何实现？

除了在工作条件中使用它们之外，我无法找到有关 stageDependency 的任何相关文档。我知道下面的代码不起作用，但我尝试了一些变体，但我什至没有看到 stageDependency 对象。

- task: PowerShell@2
  displayName: Check for Failures
    inputs:
      targetType: inline
      script: |
        foreach ($dependency in $[stageDependencies]) {
          foreach ($job in $dependency) {
            foreach ($output in $job.outputs) {
              if ("$output" -eq "Started") {
                write-host "##vso[task.logissue type=error]Task failed in a previous step"
              }
            }
          }
        }

Answer 1

管道可以通过logging命令输出变量，但变量只能是字符串:

https://learn.microsoft.com/en-us/azure/devops/pipelines/process/variables?view=azure-devops&tabs=yaml%2Cbatch#set-variables-in-scripts

All variables set by this method are treated as strings.

解析字符串并放入数组并不难，只需使用字符串类型自带的函数(split())进行分割和恢复即可。

这是一个例子:

trigger:
- none

# 1
stages:
- stage: s1
  displayName: setvars
  jobs:
    - job: testJob
      steps:
        - task: PowerShell@2
          name: setvar
          inputs:
            targetType: 'inline'
            script: |
              # logic here. For example you get the vars and put it into this format:
              $testvars = "testvar1,testvar2,testvar3" 
              Write-Host "##vso[task.setvariable variable=outputvars;isOutput=true]$testvars"


# 2
- stage: s2
  displayName: getvars
  dependsOn: s1  
  variables:
    vars: $[ stageDependencies.s1.testJob.outputs['setvar.outputvars'] ]
  jobs:
    - job:
      steps:  
      - task: PowerShell@2
        inputs:
          targetType: 'inline'
          script: |
            $varsArr = "$(vars)".Split(',')
            foreach ($var in $varsArr)
            {
              Write-Host "$var`r`n"
              if($var -eq 'testvar1')
              {
                Write-Host 'The value is correct.'
              }
            }

结果: