Pipeline Workflow && Blocking other jobs

[Pierre Lerouge]

Hi, 

I'm trying to block some job when a pipeline is running.

More precisely I'm trying to find a wrapper around certain stages which could prevent other job to run while this stage is running.

My main problem is the following:

   My workflow plugin launch a maven:release at some point, which create events in the SCM, wich run a standard build job that destroy my integration platform.

I don't know if it's clear.

I usually use the Exclusion plugin : https://wiki.jenkins-ci.org/display/JENKINS/Exclusion-Plugin 

To prevent a job running when there is already another one using this resource.

I've seen that there are some commits that allow this plugin to be run within a pipeline : 

https://github.com/jenkinsci/exclusion-plugin/pull/5

But I really don't know how to implement this.

Have anybody already set up this kind of thing ? 

Thank you for your help.

[Pierre Lerouge]

Hey, 

Nobody had this need with the pipeline plugin ?

[Baptiste Mathus]

Gonna probably require twiddling with the API, but it should be possible to use one of the lock plugins (throttle one e.g.).

* On the non pipeline one: use it normally
* On the pipeline one: wrap the required groovy code in a @NonCPS function to attack the plugin API and acquire the lock.

My 2 cents

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[Pierre Lerouge]

Hi Baptiste, 

Thank you for your awnser, 

I've tried something like that, but no luck : 

 node(){
     stage "test"
     allocate('test')
     sleep time: 15, unit: 'MINUTES'
     sh "echo 'yes'" }

@NonCPS
def allocate(String resource){

  throttle = new hudson.plugins.throttleconcurrents.ThrottleJobProperty(
    maxConcurrentPerNode=1,
    maxConcurrentTotal=1,
    categories = [resource],
    throttleEnabled=true,
    throttleOption="category",
    matrixOptions=null
    )
  throttle.setOwner()
  throttle = null
  return true
}

It has no effect on the Throttle plugin, 

(I had to set 'throttle' to null otherwise I would get no Serializable errors even if its a NonCPS method ...)

If you have any Ideas ? 

Thanks for your help.