Kubernetes plugin configuration using groovy

[Alex]

I am trying to configure the kubernetes plugin by using groovy at startup. 

The problem that I have is that I can see the configuration in the "Configure System" menu, but it's not working unless i click on "Save"

This is my groovy:

import org.csanchez.jenkins.plugins.kubernetes.*

import jenkins.model.*

def jenkins_instance = Jenkins.instance

def kubernetes = new KubernetesCloud('Kubernetes')

// Configure Kubernetes Cloud

kubernetes.setNamespace('jenkins')

kubernetes.setJenkinsUrl(jenkins_instance.getRootUrl())

kubernetes.setMaxRequestsPerHostStr('30')

kubernetes.setConnectTimeout(30)

kubernetes.setReadTimeout(30)

kubernetes.setUsageRestricted(false)

// Configure Jenkins Slave Container

jenkins_slave_image = System.getenv('JENKINS_SLAVE_IMAGE').toString()

def jenkins_container = new ContainerTemplate('jenkins-slave', jenkins_slave_image)

jenkins_container.setTtyEnabled(true)

jenkins_container.setName('jeknins-slave')

// Configure Jenkins Slave Pods

def jenkins_slave_pod = new PodTemplate()

jenkins_slave_pod.setNamespace('jenkins')

jenkins_slave_pod.setName('jenkins-slave')

jenkins_slave_pod.setContainers([jenkins_container])

jenkins_slave_pod.save()

// Save Changes

kubernetes.addTemplate(jenkins_slave_pod)

jenkins_instance.clouds.removeAll(KubernetesCloud)

jenkins_instance.clouds.addAll(kubernetes)

jenkins_instance.save()

Any thoughts on this?

[Carlos Sanchez]

Have you tried configuration as code plugin?

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[unguiculus]

Did you manage to solve the issue? I'm actually having the same problem but I do use the CasC plugin as Carlos suggested. Everything looks ok in the UI but only starts working if I hit "Save".

I copied away the whole JENKINS_HOME before and after hitting "Save". As expected, the diff doesn't show any changes. I tried triggering a reload of the config via CLI and via Groovy init script. Nothing helped but manually saving in the UI.

Here's the relevant part from the jenkins.yaml:

jenkins:
  clouds:
    - kubernetes:
        name: kubernetes
        serverUrl: https://kubernetes.default
        namespace: default
        jenkinsUrl: http://jenkins-master:8080
        jenkinsTunnel: jenkins-agent:50000
        templates:
          - name: k8s-agent
            idleMinutes: 30
            containers:
              - name: jnlp
                image: jenkinsci/jnlp-slave:3.27-1-alpine
                command: ""
                args: ""

Jenkins version: 2.150.1 LTS

Installed plugins:

configuration-as-code:1.4
workflow-aggregator:2.6
kubernetes:1.14.2
kubernetes-credentials-provider:0.10
timestamper:1.8.10
locale:1.4

I'd appreciate any help.

--Reinhard

[Alex]

Hi there,

It works for me with the CASC plugin like this:

jenkins:
  clouds:
    - kubernetes:
        name: "Kubernetes"
        skipTlsVerify: true
        namespace: "jenkins"
        jenkinsUrl: "http://localhost:8080"
        connectTimeout: 0
        readTimeout: 0
        containerCapStr: 100
        maxRequestsPerHostStr: 64
        retentionTimeout: 5
        templates:
          - name: "jenkins-slave"
            namespace: "jenkins"
            nodeUsageMode: NORMAL
            containers:

              - name: "jnlp"
                image: "jenkinsci/jnlp-slave"

                alwaysPullImage: false
                workingDir: "/home/jenkins"
                ttyEnabled: true
                resourceRequestCpu: "500m"
                resourceLimitCpu: "1000m"
                resourceRequestMemory: "1Gi"
                resourceLimitMemory: "2Gi"
            idleMinutes: "30"
            activeDeadlineSeconds: "900"
            slaveConnectTimeout: "120"
            serviceAccount: "jenkins"

These are the plugins that i use:

configuration-as-code
configuration-as-code-support
kubernetes:1.13.3
kubernetes-cd
crowd2
workflow-aggregator
git
pipeline-utility-steps

Alex