Need help

[mahendra03]

Hi Team,

I need one help , I have jenkins installed in GCP server and also active choice parameter plugin installed to it
when I run below command in groovy section and when i suppose to build i should see list of images in that project but i am not getting list of gcp instance images when i go for build.

although service account permission has been already map

import groovy.json.JsonSlurper;
def cmd = "gcloud compute images list --project=mahendra --filter="creationTimestamp < -P6M""
def gi_images_json = cmd.execute()
def data = new JsonSlurper().parseText(gi_images_json.text)
def gi_images = [];
return gi_images.sort().reverse