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Jenkins Parallel Pipelines and Error Handeling

Hi @darinpope

Love all CloudBee tips on CloudBeeTV.

Can the video/example be extended to include error handling in pipelines?

So, if one of the sequential stages fails within the parallel stage, it stops downstream stages but doesn't stop the other parallel job.

For example, in https://github.com/darinpope/jenkins-example-parallel/blob/main/Jenkinsfile-4, in the stage 'linux-amd64' fails, the stages 'run', 'unit test'.... will be skipped, but the stage 'linux-armv6' & 'darwin-amd64' will continue without issues.

We have a multi-parallel job to build AWS AMIs for different tiers in our environment.

I've managed to cobble something together using a groovy map, but it seems clunky and included some scripted pipeline code.

Below is a stage script where if/try/catch is being used

    stage("Configure ${AMITierName} instance") {
      script {
        if (stageResultMap.find{ it.key == "${role}_Launch" }?.value) {
          try {
            sh (script: '''
              #/bin/bash
              /usr/local/bin/ansible-playbook ${WORKSPACE}/ansible/playbooks/${role}_base_build.yml \
                                  --extra-vars "hosts_tag_name=tag_Name_${linuxdistro}_${role}_${arch}_base_build_${DATE}_01";
            ''')
            stageResultMap."${role}_Build" = true
          }
          catch (Exception e) {
            unstable("${STAGE_NAME} failed!")
            currentBuild.result = 'UNSTABLE'
            stageResultMap."${role}_Build" = false
            echo "${stageResultMap}"
          }
        } else {
          Utils.markStageSkippedForConditional("${STAGE_NAME}")
          echo "Skip stage ${STAGE_NAME}"
        }
      }

Is there a better way to handle errors in pipelines? I don't think I can use catchError in this scenario.

Many thanks!!
Tony

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