1. Deploy the my-bloody-jenkins helm chart on Azure Kubernetes Service (AKS)


    To deploy the my-bloody-jenkins Helm chart on Azure Kubernetes Service (AKS), you will need to perform a series of steps using Pulumi.

    Pulumi allows you to define your infrastructure using real programming languages, which gives you the power to create abstractions, share code, and reuse components. We'll use TypeScript for this task.

    Here's an overview of the steps you'll need to follow:

    1. Create an AKS cluster: This is where your Jenkins instance will run. We will define an AKS cluster resource using Pulumi's azure-native provider.
    2. Install Helm: Pulumi has support for Helm, which allows you to deploy Helm charts into your Kubernetes cluster.
    3. Deploy the Helm chart: Once Helm is set up and the AKS cluster is running, you can deploy the my-bloody-jenkins Helm chart into the cluster.

    Now let's start writing the program to accomplish these steps.

    import * as azure from "@pulumi/azure-native"; import * as pulumi from "@pulumi/pulumi"; import * as k8s from "@pulumi/kubernetes"; // Step 1: Create an Azure Kubernetes Service (AKS) cluster // Documentation: https://www.pulumi.com/registry/packages/azure-native/api-docs/ const resourceGroupName = new azure.resources.ResourceGroup("myResourceGroup", { resourceGroupName: "myResourceGroupName", location: "WestUS", // Use the location that is appropriate for your use case }); const cluster = new azure.containerservice.ManagedCluster("myCluster", { resourceGroupName: resourceGroupName.name, agentPoolProfiles: [{ count: 1, maxPods: 110, mode: "System", name: "agentpool", osType: "Linux", vmSize: "Standard_DS2_v2", type: "VirtualMachineScaleSets", }], dnsPrefix: "myakscluster", enableRBAC: true, kubernetesVersion: "1.19.7", location: resourceGroupName.location, }); // Export the cluster's kubeconfig export const kubeconfig = pulumi.secret(cluster.kubeConfigRaw); // Step 2: Install Helm and the required K8s provider to interact with the cluster // Documentation: https://www.pulumi.com/registry/packages/kubernetes/api-docs/helm/v3/chart/ const k8sProvider = new k8s.Provider("k8sProvider", { kubeconfig: cluster.kubeConfigRaw, }); // Step 3: Deploy the my-bloody-jenkins Helm chart into the AKS cluster const myBloodyJenkins = new k8s.helm.v3.Chart("my-bloody-jenkins", { chart: "my-bloody-jenkins", version: "1.0.0", // Specify the version of the chart if necessary fetchOpts:{ repo: "http://<your-helm-chart-repo>", // Replace with the URL of your Helm chart repository }, }, { provider: k8sProvider }); // Export the Jenkins endpoint to access the Jenkins UI export const jenkinsUrl = pulumi.interpolate`http://${myBloodyJenkins.getResourceProperty("v1/Service", "my-bloody-jenkins", "status")["loadBalancer"]["ingress"][0]["ip"]}:8080`;

    Here's what each part of the program is doing:

    • Resource Group: This is the first resource we create because every other resource needs to be associated with a resource group in Azure.

    • AKS Cluster: We are creating a ManagedCluster resource named "myCluster" within the "myResourceGroup" resource group. We specify the version of Kubernetes we want to use, the size of the node pool, and other configurations relevant to our AKS cluster.

    • Kubeconfig: This output provides the kubeconfig needed to access your AKS cluster, which we will use to set up the Kubernetes Provider and interact with our cluster. It is marked as a secret because it contains sensitive credentials.

    • Kubernetes Provider: This Pulumi resource is used to interact with the AKS cluster. It takes the kubeconfig from the cluster as an input so that it can authenticate and manage Kubernetes resources on the cluster.

    • Helm Chart: We're using Pulumi's support for Helm to deploy the my-bloody-jenkins Helm chart into your cluster. The Chart resource needs the name of the chart and optionally the version. You will also need to specify the repository URL where the Helm chart is located.

    • Jenkins URL: After deployment, Pulumi attempts to export the load balancer IP assigned to the my-bloody-jenkins service so you can access the Jenkins UI. This depends on the service being of type LoadBalancer.

    Replace <your-helm-chart-repo> with the repository URL where the my-bloody-jenkins chart is hosted.

    You should replace "myResourceGroupName", "WestUS", "Standard_DS2_v2", "1.19.7", and "http://<your-helm-chart-repo>" with the values that are appropriate for your scenario.

    Lastly, to run this Pulumi program, you will need to have the Azure CLI installed and configured on your system. Once you have Azure CLI set up, you can run pulumi up to create and deploy the resources defined in the program.