How to check if Jenkins build is waiting for input?

Question

In Jenkins' Groovy, how can I detect that some other build is waiting for user input, as triggered by statements like input message: 'Retry?' ok: 'Restart'?

I checked the Executor and Build API docus, but couldn't identify something that matches. executor.isParking() sounded promising, but returns false.

Answer 1

The problem with Florian's answer is that if the input is waiting for a while, possibly across restarts of Jenkins, it might not be the last line in the log.

This is better:

import org.jenkinsci.plugins.workflow.job.WorkflowJob
import org.jenkinsci.plugins.workflow.support.steps.input.InputAction

def jobs = Jenkins.instance.getAllItems(WorkflowJob.class)

jobs.each { job ->
  job.builds.each { build ->
    if (build.isBuilding() && build.actions.last() instanceof InputAction) {   
      println "$job.fullName #$build.number"
    }
  }
}

This one is looking specifically for WorkflowJob jobs but you could change the class to be FreeStyleProject or whatever other kind of thing you want to look for. But checking that the last action is input seems like a good way to know if it's waiting for input.