add-templates2folders.groovy

/*
Author: Carlos Rodriguez Lopez
Since: September 2017
Description: It retrieves all the job templates items available in the instance and include them into the restrict list of items to create inside pFolder.
Templates need to at the same node level of pFolder or highest level in terms of tree depth
Parameters: pFolders
Scope: Cloudbees Jenkins Enterprise
*/

import com.cloudbees.hudson.plugins.modeling.Model
import com.cloudbees.hudson.plugins.folder.Folder
import com.cloudbees.hudson.plugins.folder.properties.SubItemFilterProperty



// PARAMETER
// Note the structure of the Folder item in terms of file system
def pFolders = "job/TemplateFolder/job/templateFolder/job/OutputFolder3/"

Set<String> allowedTypes = new TreeSet <String>()
def processingFlag = false


// A - Getting items from the jenkins instance

def jenkins = Jenkins.instance
def jenkinsTemplates = jenkins.getAllItems(Model.class)
def jenkinsFolders = jenkins.getAllItems(Folder.class)

// B - Preparing templates element for assignating them to pFolder

if (jenkinsTemplates.size() > 0) {
    jenkinsTemplates.each{ template ->
        // println "[DEBUG]: "+template.id
        // Each job Teampletes is consider by jenkins as 1 type of jobs
        allowedTypes.add(template.id)
    }
} else {
    println "[ERROR]: There are not job templates available in this instance"
}

//c - Assigning templates  to pFolder

if (jenkinsFolders.size() > 0) {
    //if the instance contains template
    if (allowedTypes.size() > 0) {
        jenkinsFolders.each{ folder->
            //filter example
            if ((folder.url).equals(pFolders)){
                // println "[DEBUG]: "+folder.url
                def filterProp = new SubItemFilterProperty(allowedTypes)
                folder.getProperties().add(filterProp)
                jenkins.save()
                if (!processingFlag) processingFlag = true
                println "[INFO]: This instance's Templates has been added as Item Filter property for pFolders: '$pFolders'"
                println "Note: Just has been added those templates at the same node level of pFolder or highest level in terms of tree depth"
            }
        }
    }
} else {
    println "[ERROR]: There are not folders available in this instance"
}

if (!processingFlag){
    println "[ERROR]: The folder url '$pFolders' is not available in this instance"
}