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Kubernetes

v3.10.1 published on Friday, Nov 19, 2021 by Pulumi

Continuous Integration with Jenkins

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This example deploys a container running the Jenkins continuous integration system onto a running Kubernetes cluster using Pulumi and @pulumi/kubernetes.

Running the App

Follow the steps in Pulumi Installation and Setup and Configuring Pulumi Kubernetes to get setup with Pulumi and Kubernetes.

Note: The code in this repo assumes you are deploying to a cluster that supports the LoadBalancer service type. This includes most cloud providers as well as Docker for Mac Edge w/ Kubernetes. If not (for example if you are targeting minikube or your own custom Kubernetes cluster), replace type: "LoadBalancer" with type: "ClusterIP" in jenkins.ts. See the Kubernetes Services docs for more details.

Create a new stack:

    $ pulumi stack init dev

Create configuration keys for the root username and password for the Jenkins instance we are about to create:

    $ pulumi config set username <your desired username>
    $ pulumi config set password <your desired password> --secret

Configure Kubernetes to run without Minikube:

    $ pulumi config set isMinikube false

Preview the deployment of the application:

    $ pulumi preview
    Previewing update (dev):
         Type                                         Name                       Plan       
     +   pulumi:pulumi:Stack                          kubernetes-py-jenkins-dev  create     
     +   └─ jenkins:jenkins:Instance                  dev                        create     
     +      ├─ kubernetes:core:Service                dev-service                create     
     +      ├─ kubernetes:core:PersistentVolumeClaim  dev-pvc                    create     
     +      ├─ kubernetes:core:Secret                 dev-secret                 create     
     +      └─ kubernetes:apps:Deployment             dev-deploy                 create     

    Resources:
        + 6 to create

Perform the deployment:

    $ pulumi up --skip-preview
    Updating (dev):
         Type                                         Name                       Status      
     +   pulumi:pulumi:Stack                          kubernetes-py-jenkins-dev  created     
     +   └─ jenkins:jenkins:Instance                  dev                        created     
     +      ├─ kubernetes:core:PersistentVolumeClaim  dev-pvc                    created     
     +      ├─ kubernetes:core:Service                dev-service                created     
     +      ├─ kubernetes:core:Secret                 dev-secret                 created     
     +      └─ kubernetes:apps:Deployment             dev-deploy                 created     

    Outputs:
        external_ip: "35.239.72.50"

    Resources:
        + 6 created

    Duration: 1m57s

The deployment is complete! Use pulumi stack output external_ip to see the IP of the Service that we just deployed:

    $ pulumi stack output external_ip
    35.239.72.50

The Jenkins instance we just deployed is reachable through port 80 of the external IP address. You can now visit http://35.239.72.50/login in a Web browser to begin the first-install flow for your new Jenkins instance. You can use the username and password that you saved in your Pulumi config to log in to your new Jenkins instance.

Note: If you are deploying to a cluster that does not support type: "LoadBalancer", and deployed the example using type: "ClusterIP" instead, run kubectl port-forward svc/jenkins 8080:80 to forward the cluster port to the local machine and access the service via localhost:8080.

When you’re ready to be done with Jenkins, you can destroy the instance:

    $ pulumi destroy
        Destroying (dev):
         Type                                         Name                       Status      
     -   pulumi:pulumi:Stack                          kubernetes-py-jenkins-dev  deleted     
     -   └─ jenkins:jenkins:Instance                  dev                        deleted     
     -      ├─ kubernetes:core:Secret                 dev-secret                 deleted     
     -      ├─ kubernetes:core:Service                dev-service                deleted     
     -      ├─ kubernetes:core:PersistentVolumeClaim  dev-pvc                    deleted     
     -      └─ kubernetes:apps:Deployment             dev-deploy                 deleted     
     
    Outputs:
      - external_ip: "35.239.72.50"
    
    Resources:
        - 6 deleted
    
    Duration: 33s