Get username logged in Jenkins from Jenkins Workflow (Pipeline) Plugin

Question

I am using the Pipeline plugin in Jenkins by Clouldbees (the name was Workflow plugin before), I am trying to get the user name in the Groovy script but I am not able to ach

Answer 1

Here's a slightly shorter version that doesn't require the use of environment variables:

@NonCPS
def getBuildUser() {
    return currentBuild.rawBuild.getCause(Cause.UserIdCause).getUserId()
}

The use of rawBuild requires that it be in a @NonCPS block.