Issue
-
As a Jenkins admin, I have a job template (named
Template X
) with a parameterProp X
. From this template I create a job instance (namedJob A
) with the valueaaa
forProp X
. I want to replaceaaa
bybbb
using a script.
Environment
-
CloudBees Jenkins Enterprise - Managed controller (CJEMM)
-
CloudBees Jenkins Template Plugin
Resolution
Script
The following script would solve the described issue.
Notes:
1) Please make a backup of your $JENKINS_HOME
before running it.
2) Overall - RunScripts
(admin) permission is needed in order to run it.
import com.cloudbees.hudson.plugins.modeling.ModelList import com.cloudbees.hudson.plugins.modeling.impl.jobTemplate.InstanceFromJobTemplate import com.cloudbees.hudson.plugins.modeling.impl.jobTemplate.JobPropertyImpl def jenkins = Jenkins.instance def JOB_A_FullName = 'SUPPORT-Team/Templates/Job A' def PROP_2_UPDATE = 'Prop X' def InstanceFromJobTemplate templateX = null if (jenkins.getItemByFullName(JOB_A_FullName) != null){ def jobA = jenkins.getItemByFullName(JOB_A_FullName) templateX = InstanceFromJobTemplate.from(jobA) println "[DEBUG]: $JOB_A_FullName existing template name: $templateX.model.name" if (templateX.getValue(PROP_2_UPDATE)!=null){ println "[DEBUG]: $PROP_2_UPDATE existing value: " + templateX.getValue(PROP_2_UPDATE) templateX.setValue(PROP_2_UPDATE,"bbb") templateX.save() println "[DEBUG]: $PROP_2_UPDATE new value: " + templateX.getValue(PROP_2_UPDATE) } else { println "[ERROR]: $PROP_2_UPDATE has not been assigned OR does not exist" } }else { println "[ERROR]: $JOB_A_FullName does not exist in this instance" }
Console Output
If it succeeds:
[DEBUG]: SUPPORT-Team/Templates/Job A existing template name: Template X [DEBUG]: Prop X existing value: aaa [DEBUG]: Prop X new value: bbb
Tested product/plugin versions
The latest update of this article has been tested and verified with:
-
CloudBees Jenkins Enterprise 2.73.1.2-rolling
This article is part of our Knowledge Base and is provided for guidance-based purposes only. The solutions or workarounds described here are not officially supported by CloudBees and may not be applicable in all environments. Use at your own discretion, and test changes in a safe environment before applying them to production systems.