1. Deploy the twitter-app helm chart on Linode Kubernetes Engine


    To deploy a Helm chart to a Linode Kubernetes Engine (LKE) cluster using Pulumi, you will follow these general steps:

    1. Set up Pulumi: Before you start, ensure you have Pulumi installed and configured. You also need to have access to a Linode account and an LKE cluster set up.

    2. Configure Kubernetes Provider: You will configure Pulumi to use the Kubernetes provider for Linode, which allows you to interact with your LKE.

    3. Deploy Helm Chart: You will use the Chart resource from the Pulumi Kubernetes provider to deploy the Helm chart to your LKE cluster.

    Below is a TypeScript program using Pulumi to deploy a Helm chart named "twitter-app" on Linode Kubernetes Engine. This program assumes that you have already configured the kubeconfig file to point to your LKE cluster.

    import * as k8s from "@pulumi/kubernetes"; // Create a Kubernetes provider instance using the context of your LKE cluster const provider = new k8s.Provider("lke-provider", { kubeconfig: "<Your Kubeconfig here>", // Replace with your LKE cluster kubeconfig }); // Deploy the "twitter-app" Helm chart using the Pulumi Kubernetes provider const twitterAppChart = new k8s.helm.v3.Chart("twitter-app", { // Replace `repo` with the actual repository URL that hosts the `twitter-app` chart // and `chart` with the name of the chart if it's different from the release name. chart: "twitter-app", version: "1.0.0", // Specify the version of the chart you wish to deploy fetchOpts: { // This section is for Helm fetch options, such as the repo URL repo: "https://charts.example.com/", // Replace with the Helm repository hosting the chart }, }, { provider }); // Pass the provider to ensure that resources are created in the LKE cluster // Export the deployed chart's name export const chartName = twitterAppChart.metadata.apply(meta => meta.name);

    Make sure you replace the placeholder values with actual information:

    • <Your Kubeconfig here>: Replace this with your LKE cluster kubeconfig data.
    • https://charts.example.com/: Replace this with the URL of the Helm repository that contains your "twitter-app" chart.

    This Pulumi program creates an instance of the Chart resource, which represents a Helm chart deployment on your Kubernetes cluster. The Chart resource encapsulates all the components of the Helm chart, including Deployments, Services, and any other Kubernetes resources defined in the chart.

    When you run this program with Pulumi (pulumi up), it will deploy the "twitter-app" Helm chart onto your LKE cluster. The exported chartName variable will output the name of the chart release, which you can use to reference the deployment in subsequent Pulumi code or from the command line using kubectl.

    The provider object is explicitly passed to the Chart resource to ensure it interacts with the correct Kubernetes cluster (in this case, your Linode Kubernetes Engine). If you have already set up the default provider to point to your LKE cluster, you can omit the provider option while creating the Chart resource.