1. Deploy the statefulset helm chart on Kubernetes


    To deploy a StatefulSet Helm chart on Kubernetes using Pulumi, you'll start by setting up your Pulumi environment with the necessary Kubernetes provider. Then you'll create a Pulumi program in TypeScript that defines the deployment of the Helm chart. The chart could be from the official Helm repository or a custom one, and you might want to customize it with values specific to your deployment needs.

    Here is a step-by-step guide on how you would write a Pulumi program to deploy a StatefulSet Helm chart:

    1. Setting Up Pulumi Project: Make sure you have a Pulumi project initialized. If you haven't done this, you can create a new project with pulumi new kubernetes-typescript.

    2. Configuring the Kubernetes Provider: Ensure that you have access to a Kubernetes cluster and that your kubeconfig file is correctly set up to point to this cluster. Pulumi uses this configuration to communicate with your Kubernetes cluster.

    3. Helm Chart Deployment: In the Pulumi program, use the helm.sh/v3.Chart resource to deploy a Helm chart. You need to specify the name of the chart, the repository (if it's a custom repository), and any configuration values you need to override.

    Below is a TypeScript program that deploys a StatefulSet using a Helm chart:

    import * as k8s from "@pulumi/kubernetes"; // Provide the name of your chart and the version. const chartName = "example-statefulset"; const chartVersion = "1.2.3"; // Ensure this is the correct version you desire. // Provide the repository URL where your Helm chart is located. // This is usually something like "https://charts.example.com/" const chartRepo = "https://example.com/charts"; // Configuration values to override the ones in the chart. // This should mirror the structure of the `values.yaml` file in the Helm chart. const chartValues = { // Add your own configuration values here as needed. replicaCount: 3, // You can specify further custom values schema here depending on the chart. }; const statefulSetChart = new k8s.helm.sh.v3.Chart(chartName, { chart: chartName, version: chartVersion, fetchOpts: { repo: chartRepo, }, // Assign your values to configure the chart. values: chartValues, }, { provider: k8sProvider }); // Export the StatefulSet name by accessing the resource's `metadata` field. export const statefulSetName = statefulSetChart.getResourceProperty("v1/StatefulSet", chartName, "metadata").apply(m => m.name);


    • We import the Kubernetes package from Pulumi to interact with the Kubernetes API.

    • We define the chart name, version, and repository. The repository URL is where your Helm chart is hosted.

    • We then define an object chartValues for any configuration overrides that the Helm chart requires.

    • Next, we instantiate a new Chart resource, specifying the chart name, version, and supply the repository URL. We also apply the custom configuration values in the instantiation.

    • Lastly, we export the name of the StatefulSet for easy access. The getResourceProperty function is used to retrieve specific details from deployed resources.

    This Pulumi program can be executed by running pulumi up after setting up the Pulumi project. Ensure that you have authenticated to your Kubernetes cluster (the context set in your kubeconfig) and that Pulumi is installed and configured on your system.