1. Deploy the query-exporter helm chart on Azure Kubernetes Service (AKS)


    To deploy the query-exporter Helm chart on an Azure Kubernetes Service (AKS) cluster, we will walk through several stages. First, we need to provision an AKS cluster using Pulumi's Azure Native provider. Next, we'll implement the deployment of a Helm chart, in our case the query-exporter, using Pulumi's Kubernetes provider.

    Here is the basic structure we will follow:

    1. Creating an AKS Cluster: We'll set up a new AKS cluster that our applications will run on. This will involve configuring our Kubernetes resources appropriately.
    2. Configuring Kubernetes Provider: To interact with our AKS cluster, we need a Kubernetes provider that knows how to communicate with the created cluster.
    3. Deploying Helm Chart: Finally, with the Kubernetes provider configured, we will deploy the query-exporter Helm chart on the AKS cluster.

    Let's go through each step with the corresponding Pulumi program written in TypeScript.

    1. Creating an AKS Cluster

    To create an AKS cluster, we'll use the azure-native provider. We'll define the necessary resources, including a resource group, an AKS cluster, and any other configurations necessary, like the node size or the Kubernetes version.

    2. Configuring Kubernetes Provider

    Once the AKS cluster is available, we'll need to set up authentication so that Pulumi can interact with our cluster. We'll use the output from the AKS cluster resource to configure our Kubernetes provider.

    3. Deploying query-exporter Helm Chart

    With our Kubernetes provider configured, we can now deploy the query-exporter Helm chart. The Helm chart will be pulled from its repository, and the Kubernetes resources defined in the chart will be created in our AKS cluster.

    Now, let's write the Pulumi program:

    import * as pulumi from "@pulumi/pulumi"; import * as azure from "@pulumi/azure-native"; import * as k8s from "@pulumi/kubernetes"; // Step 1: Create an Azure Resource Group const resourceGroup = new azure.resources.ResourceGroup("myResourceGroup"); // Step 2: Create an AKS cluster const aksCluster = new azure.containerservice.ManagedCluster("myAKSCluster", { resourceGroupName: resourceGroup.name, agentPoolProfiles: [{ count: 1, vmSize: azure.containerservice.VMSizeTypes.Standard_DS2_v2, }], dnsPrefix: pulumi.interpolate(`${resourceGroup.name}-kube`), }); // Export the kubeconfig export const kubeconfig = aksCluster.kubeConfig; // Step 3: Set up a Kubernetes provider instance using the kubeconfig of the AKS cluster const k8sProvider = new k8s.Provider("k8sProvider", { kubeconfig: aksCluster.kubeConfig.apply(cfg => cfg.raw), }); // Step 4: Deploy the 'query-exporter' Helm chart const queryExporterChart = new k8s.helm.v3.Chart("query-exporter", { chart: "query-exporter", // Replace with the correct chart version and repository version: "0.1.0", fetchOpts: { repo: "https://helm-repo-containing-query-exporter", // Specify the correct Helm repository }, }, { provider: k8sProvider }); // To access the query exporter (if it's exposed as a service), you may also need to set up an Ingress Controller or expose the service.

    In this TypeScript program:

    • We create a resource group for our AKS cluster using azure.resources.ResourceGroup.
    • We then define and create an AKS cluster in that resource group using azure.containerservice.ManagedCluster. Note that you should tailor the agentPoolProfiles according to your performance and cost preferences.
    • We export the kubeconfig from the AKS cluster creation, which allows us to interact with the cluster using kubectl or any Kubernetes client library.
    • We set up a Kubernetes provider using @pulumi/kubernetes with the exported kubeconfig.

    Lastly, we deploy the query-exporter Helm chart. You need to specify the version you wish to use and the Helm chart repository URL that hosts the query-exporter chart.

    Please note: When configuring the AKS cluster and Helm chart deployment, specifics like the version of Kubernetes, the node size, and the Helm chart version might change over time, so ensure you check for the most recent and suitable options for your use case.

    You will need to have Pulumi CLI installed and configured with Azure credentials to run this code. Once ready, navigate to your project directory in the terminal and execute pulumi up to deploy the resources. This command will create the resources on Azure and then deploy the Helm chart to the AKS cluster.

    For more detailed steps or if you encounter any issues, you can refer to the Pulumi documentation for Azure and Kubernetes.