I'd like to set Jenkins Global Properties - Environment variables  via Groovy script (YAML file) which is executed in Ansible.
I've tried following 
import jenkins.*
import jenkins.model.*
import hudson.*
import hudson.model.*
instance = Jenkins.getInstance()
envVars.put("FOO1", "bar1")
envVars.put("FOO2", "bar2")
instance.save()
Why is this not working?
 
     
    