1. Deploy the pg-db helm chart on Rancher


    To deploy the pg-db Helm chart on a Rancher-managed Kubernetes cluster, we will perform several steps:

    1. Set up the Rancher cluster: Ensure a Rancher cluster is already created and we have access to it. You can create and manage Rancher clusters using the rancher2.Cluster resource. However, for our current task, we will assume that the cluster is ready and is configured appropriately for Helm deployments.

    2. Install the Helm chart: We will then define a resource to install the Helm chart onto the cluster. In Rancher, Helm charts can be deployed using the catalog apps feature. While Pulumi does not natively support deploying Helm charts directly as part of the Rancher provider, Helm charts are usually deployed on a Kubernetes cluster, which Pulumi can interact with using the Kubernetes provider.

    3. Configure Pulumi for Kubernetes and Rancher: Before you can deploy the Helm chart, you need to configure Pulumi to work with the Kubernetes cluster that is managed by Rancher. You would typically do this using the Kubernetes provider, pointing it to the cluster's kubeconfig file.

    Please make sure you have the following prerequisites sorted out:

    • Pulumi is installed and the CLI is configured.
    • Access to a Rancher instance and a Kubernetes cluster managed by Rancher.
    • The kubeconfig file is set up on your local machine to communicate with your Rancher-managed cluster.
    • You have access to the Helm chart you'd like to install. In this case, pg-db, which is either a local chart or available in a remote Helm repository.

    Here's a simplified TypeScript program that demonstrates how you might go about defining the Pulumi resources to deploy the Helm chart to your Rancher-managed cluster:

    import * as k8s from "@pulumi/kubernetes"; // Fetch the kubeconfig from the Rancher API or use configuration that would give Pulumi access to the Rancher-managed Kubernetes cluster const kubeconfig: string = "REPLACE-WITH-YOUR-KUBECONFIG-CONTENT"; // Create a Provider resource to interact with the Kubernetes cluster pointed to by the kubeconfig const clusterProvider = new k8s.Provider("clusterProvider", { kubeconfig }); // Define a Helm Release for the `pg-db` Helm chart. // You will need to specify the correct repository or local path, version, and any values that are necessary for your Helm chart. const pgDbChart = new k8s.helm.v3.Release("pg-db", { chart: "pg-db", version: "CHART-VERSION", // Replace with the chart version repositoryOpts: { repo: "HELM-CHART-REPOSITORY-URL", // Replace with the Helm chart's repository URL }, values: { // Provide configuration values for your Helm chart here }, }, { provider: clusterProvider }); // Export the name of the Helm release export const helmReleaseName = pgDbChart.status.name;

    Remember that this code is a template and that the actual details (such as chart repository URL and version) need to be filled in with information specific to your pg-db chart. Additionally, the kubeconfig content must be acquired from your Rancher instance or another source that provides credentials to access your cluster.

    After you've customized the program:

    1. Run pulumi up to deploy your Helm chart to the Rancher-managed Kubernetes cluster.
    2. Monitor the Pulumi CLI's output for the status of your deployment.
    3. Once the deployment is complete, you can check that your PostgreSQL database is up and running using kubectl or another Kubernetes management tool, pointing it to the same kubeconfig.