1. Deploy the services-kafka helm chart on Oracle Kubernetes Engine (OKE)

    TypeScript

    To deploy the services-kafka Helm chart on Oracle Kubernetes Engine (OKE), you'll need a Kubernetes cluster on OKE. We'll start by setting up an OKE cluster and then proceed to deploy the Helm chart using Pulumi's Kubernetes provider.

    I'll walk you through the process of writing a Pulumi program in TypeScript that accomplishes the following:

    1. Creates an Oracle Kubernetes Engine (OKE) cluster.
    2. Deploys the services-kafka Helm chart onto the cluster.

    Before we begin, ensure you have the following prerequisites:

    • Pulumi CLI installed and configured with your Oracle Cloud credentials.
    • OCI CLI installed and configured with the required permissions to create and manage OKE clusters.
    • Helm CLI installed, as we'll be deploying a Helm chart.

    Here's the step-by-step Pulumi program that performs the deployment:

    import * as pulumi from "@pulumi/pulumi"; import * as oci from "@pulumi/oci"; import * as k8s from "@pulumi/kubernetes"; // Step 1: Create an OKE cluster const cluster = new oci.ContainerEngine.Cluster("okeCluster", { // Replace this with your own compartment ID compartmentId: "<compartment-id>", // You can choose the Kubernetes version supported by OKE kubernetesVersion: "v1.17.9", // The name of the cluster name: "kafkaCluster", // Provide the ID of your Virtual Cloud Network and subnets where OKE should be deployed vcnId: "<vcn-id>", options: { // Additional options for the OKE cluster can be specified here serviceLbSubnetIds: ["<subnet-id-1>", "<subnet-id-2>"], addOns: { isKubernetesDashboardEnabled: true, }, }, }); // Once the OKE cluster is created, setup the Kubernetes provider to deploy resources to this cluster. const k8sProvider = new k8s.Provider("k8sProvider", { kubeconfig: cluster.kubeconfig.apply(JSON.stringify), }); // Step 2: Deploy the services-kafka Helm chart onto the OKE cluster const kafkaChart = new k8s.helm.v3.Chart("kafkaChart", { // The name of the chart chart: "services-kafka", // The repository where the chart can be found repo: "https://charts.bitnami.com/bitnami", // You can specify the namespace where the chart should be installed namespace: "default", // Provide any custom values for the chart configuration values: { // Replace with the actual values required for the `services-kafka` chart replicaCount: 1, }, }, { provider: k8sProvider }); // Export the cluster's name and kubeconfig export const clusterName = cluster.name; export const kubeconfig = cluster.kubeconfig;

    Explanation

    1. We import the required Pulumi packages: @pulumi/pulumi for the Pulumi programming model, @pulumi/oci for Oracle Cloud Infrastructure resources, and @pulumi/kubernetes for Kubernetes resources.

    2. We create an instance of oci.ContainerEngine.Cluster to set up an OKE cluster. You'll need to provide your own Oracle Cloud compartment ID, the desired Kubernetes version, and your Virtual Cloud Network (VCN) details. Additional options relevant to the cluster setup, like whether to enable the Kubernetes dashboard or specify subnets for the load balancer, can be configured within the options block.

    3. Once the cluster is created, we initialize a Pulumi Kubernetes provider by passing the kubeconfig from the newly created OKE cluster. This allows Pulumi to communicate with the cluster and manage Kubernetes resources.

    4. We then set up a Helm chart deployment using k8s.helm.v3.Chart. We specify the chart name services-kafka and point to the chart's Helm repository. If needed, any custom configuration values required by the Helm chart can be provided under values.

    5. Finally, we export the cluster name and kubeconfig. This allows you to connect to your cluster using kubectl or any other Kubernetes management tool.

    Make sure to replace placeholder values like <compartment-id>, <vcn-id>, and <subnet-id> with actual values from your Oracle Cloud Infrastructure setup.

    After completing this TypeScript program, you can run it using the Pulumi CLI to provision the resources on Oracle Cloud.


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