1. Deploy the etcd-operator helm chart on Azure Kubernetes Service (AKS)


    To deploy the etcd-operator Helm chart on Azure Kubernetes Service (AKS), you need to perform several steps:

    1. Create an AKS cluster: You'll need a Kubernetes cluster running on AKS. This is where your etcd-operator will be deployed.

    2. Install the Helm chart: Once you have a Kubernetes cluster, you can use Helm to install the etcd-operator chart.

    Here's a detailed guide and Pulumi program in TypeScript to help you achieve this:

    Set up AKS Cluster

    The first step is to create an AKS cluster. The following program demonstrates how to create an AKS cluster using the azure-native provider. The azure-native provider uses the native Azure Resource Manager API to provision resources, which allows for more control and uses the latest features available in Azure.

    Install etcd-operator Helm Chart

    Once you have your Kubernetes cluster, you can install the etcd-operator Helm chart. Pulumi allows you to deploy Helm charts natively within your Pulumi program. You will install the etcd-operator into your AKS cluster using the kubernetes provider to communicate with your Kubernetes cluster and the Helm Chart resource to install the chart.

    Now, let's look at the entire Pulumi program:

    import * as pulumi from "@pulumi/pulumi"; import * as azure_native from "@pulumi/azure-native"; import * as k8s from "@pulumi/kubernetes"; import * as random from "@pulumi/random"; // Create a new password for the AKS cluster const password = new random.RandomPassword("password", { length: 20, special: true, }).result; // Create a new resource group for the AKS cluster const resourceGroup = new azure_native.resources.ResourceGroup("resourceGroup", { resourceGroupName: "etcd-operator-rg", location: "EastUS", // Choose the appropriate location }); // Create an AKS cluster const cluster = new azure_native.containerservice.ManagedCluster("aksCluster", { resourceGroupName: resourceGroup.name, agentPoolProfiles: [{ count: 1, // Single node should suffice for demonstration maxPods: 110, mode: "System", name: "agentpool", osDiskSizeGB: 30, osType: "Linux", vmSize: "Standard_DS2_v2", // Choose the appropriate VM size }], dnsPrefix: pulumi.interpolate`${resourceGroup.name}-kube`, enableRBAC: true, kubernetesVersion: "1.20.7", // Specify your desired Kubernetes version linuxProfile: { adminUsername: "adminuser", ssh: { publicKeys: [{ // A placeholder SSH public key - replace with your own keyData: "ssh-rsa ...", }], }, }, servicePrincipalProfile: { clientId: "CLIENT_ID", // Replace with your service principal's client ID secret: password, }, nodeResourceGroup: pulumi.interpolate`${resourceGroup.name}-aks`, }, { dependsOn: resourceGroup }); // Export the AKS cluster kubeconfig export const kubeconfig = pulumi. all([cluster.name, resourceGroup.name]). apply(([clusterName, rgName]) => { return azure_native.containerservice.listManagedClusterUserCredentials({ resourceName: clusterName, resourceGroupName: rgName, }); }). apply(creds => Buffer.from(creds.kubeconfigs[0].value, 'base64').toString()); // Create a provider for the AKS cluster const aksProvider = new k8s.Provider("aksProvider", { kubeconfig: kubeconfig, }); // Install the etcd-operator Helm chart using the AKS cluster's provider const etcdOperatorChart = new k8s.helm.v3.Chart("etcd-operator", { chart: "etcd-operator", version: "0.10.2", // specify the chart version you want to install namespace: "default", // choose the appropriate Kubernetes namespace fetchOpts: { // Specify the repository if needed repo: "https://charts.helm.sh/stable", }, }, { provider: aksProvider });

    In this program, we accomplish the following:

    • Generate a random password for the AKS cluster.
    • Create a new resource group in Azure where all our resources will live.
    • Create the AKS cluster with one node.
    • Export the kubeconfig required to communicate with the cluster.
    • Set up a Kubernetes provider with the exported kubeconfig.
    • Finally, we use that Kubernetes provider to install the etcd-operator Helm chart.

    The version property under etcdOperatorChart can be changed to deploy a specific version of the chart, and you should specify the correct repo where the chart is hosted.

    Remember to replace the placeholder values like ssh-rsa ..., CLIENT_ID, and the repo for the chart with your actual values.

    After defining this program, simply run pulumi up via your command line, and Pulumi will handle the provisioning and setup of your AKS cluster and the deployment of the etcd-operator Helm chart.