Jenkins job DSL scripts examples

cred.groovy

import jenkins.model.*
import com.cloudbees.plugins.credentials.*

def credStore(credentials_id) {
    def cred_list = [:]
    credentials_store = jenkins.model.Jenkins.instance.getExtensionList(
        'com.cloudbees.plugins.credentials.SystemCredentialsProvider'
    )
    credentials_store[0].credentials.each { it ->
        if (it.id == credentials_id) {
            cred_list['username'] = it.username
            cred_list['password'] = it.password
        }
    }
    return cred_list
}

jenkins_groovy_include_scripts.groovy

// Jenkins Job DSL script
job_path = "${new File(__FILE__).parent}"
GroovyShell shell = new GroovyShell()
creds_nexus = shell.parse(new File (job_path + '/cred.groovy'))
releases = shell.parse(new File (job_path + '/nexus_releases.groovy'))
r = releases.get_releases(creds_nexus.credStore('nexus_user'))
println(r)

nexus_releases.groovy

def get_releases (cred) {
    // cred[username:'user', password: 'passwrod']
    String userCredentials = "${cred.username}:${cred.password}"
    String basicAuth = "Basic " + new String(Base64.getEncoder().encode(userCredentials.getBytes()))
    serviceURL = 'http://hub:8081/service/rest/v1/assets?repository=release'
    http_client = new URL(serviceURL).openConnection()
    http_client.setRequestProperty ("Authorization", basicAuth);
    http_client.setRequestMethod('GET')
    if (http_client.responseCode == 200) {
        response = new groovy.json.JsonSlurperClassic().parseText(http_client.inputStream.getText('UTF-8'))
    } else {
        println("HTTP response error")
        System.exit(0)
    }
    nexusPkgV = []
    response.items.each{ k ->
      nexusPkgV.add(k.downloadUrl)
    }
    return nexusPkgV
}