1. Deploy the kubecost helm chart on Opensshift


    Deploying a Helm chart on an OpenShift cluster using Pulumi is straightforward, and the primary resource we will use is kubernetes.helm.v3.Chart. This resource allows us to deploy a Helm chart from a repository, local path, or even from a raw Kubernetes manifest.

    Here's a step-by-step Pulumi TypeScript program for deploying the Kubecost Helm chart to an OpenShift cluster:

    1. Setting up the project: It is assumed that you have Pulumi and OpenShift CLI installed and configured on your machine, and that you have an OpenShift cluster where you can deploy resources.

    2. Creating a new Pulumi project: Start by creating a new directory and running pulumi new typescript to create a new Pulumi TypeScript project. Fill in the prompts as they appear.

    3. Writing the code: In your project's index.ts file:

      • Import the necessary Pulumi and Kubernetes packages.
      • Use the Pulumi Kubernetes provider to connect to your OpenShift cluster.
      • Define a Helm chart resource for deploying Kubecost.
    4. Executing the code: You'll run pulumi up to deploy your Helm chart to the OpenShift cluster.

    Below is the TypeScript program that accomplishes this:

    import * as k8s from '@pulumi/kubernetes'; // Replace with the appropriate values for your environment const clusterName = 'your-openshift-cluster-name'; const kubecostChartRepo = 'https://kubecost.github.io/cost-analyzer/'; // Create a Kubernetes provider instance that Pulumi uses to communicate with your OpenShift cluster. const provider = new k8s.Provider('openshift-k8s', { kubeconfig: process.env.KUBECONFIG // Assumes that KUBECONFIG environment variable is set }); // Define the Kubecost Helm chart resource. const kubecost = new k8s.helm.v3.Chart('kubecost', { chart: 'cost-analyzer', // Fetch the Helm chart from the specified repo. fetchOpts: { repo: kubecostChartRepo, }, // Optionally, you can specify chart values by providing a 'values' property. values: { // Set up values that are appropriate for Kubecost }, // Specify the namespace where you want the Helm chart to be installed. namespace: 'kubecost-namespace', // Specify that Pulumi should use the OpenShift provider to manage the Helm chart resources. // Without specifying this, Pulumi will use the default Kubernetes provider. }, { provider: provider }); // Export the name of the namespace Kubecost was installed into export const kubecostNamespace = kubecost.namespace; // Execute this Pulumi program with `pulumi up` // This will apply the Helm chart and create all associated Kubernetes resources in your Openshift cluster.

    In this program:

    • We import the Kubernetes package that Pulumi provides.
    • We create a Kubernetes provider that connects Pulumi to our OpenShift cluster by using the cluster's kubeconfig. You need to set your KUBECONFIG environment variable to have the path to your OpenShift kubeconfig file.
    • We declare a Helm chart resource named kubecost using the k8s.helm.v3.Chart class, specifying the chart's name and the repository where Pulumi can pull it from.
    • We set the namespace option to specify which namespace in OpenShift you want Kubecost to be installed in.
    • Finally, we export some details like the namespace for ease of access later.

    After writing the program, you would run pulumi up in your terminal to deploy the chart.

    Remember: This program is intended for educational purposes to demonstrate how to use Pulumi to deploy a Helm chart into OpenShift. Always ensure to review and adjust configurations such as namespace, chart values, and others as per your requirements and OpenShift's best practices.