build user id in declarative pipeline

[Russ Cox]

Hi, I'm using Jenkins to run a bunch of self service jobs and need to be able to determine the user id of the person who ran a job.

We've been doing this with the scripted pipeline up until now by using the BuildUser plugin (quite why this isn't just a default exported variable I don't know, other CI servers do)

        wrap([$class: 'BuildUser']) {
         sh 'echo "${BUILD_USER}"'
         sh 'echo "${BUILD_USER_ID}"'
         sh 'echo "${BUILD_USER_EMAIL}"'
        }

I can run the following within a step but the variable isn't available to subsequent steps.

      steps {

        wrap([$class: 'BuildUser']) {

         sh 'echo "${BUILD_USER}"'

         sh 'echo "${BUILD_USER_ID}"'

         sh 'echo "${BUILD_USER_EMAIL}"'

        }

        echo "${USER_ID}"

Seems like there must be a way round this but can't find an answer in documentation or google, any help would be great.

[Andrew Bayer]

Put the rest of your steps inside the {}

A.

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[Russ Cox]

Cheers, yeah I have it set out like that currently but need to repeat this for each and every stage and post section.

Ideally I could set this variable in the 'environment' section so it's available throughout the script

[Russ Cox]

Found a solution, setting the variable within a 'script' block.

The variable is then available across all stages.

That was a ballache to find

    stage("Checkout") {

      steps {

        git url: "ssh://xxxxxxxxx.git", credentialsId: 'xxxxxxxxx'

        wrap([$class: 'BuildUser']) {

          script {

             USER_ID = "${BUILD_USER_ID}"

          }

        }

        echo "${USER_ID}"

      }

    }