Deploy the wallet-component helm chart on Kubernetes

Question

Pulumi · Accepted Answer

To deploy a Helm chart on Kubernetes using Pulumi, you will need to use Pulumi's Kubernetes provider. The core resource used for this purpose is `Chart` which is a part of the `kubernetes.helm.v3` module. The `Chart` resource allows you to deploy a Helm chart from a repository or from a local path.

Below is a Pulumi program written in TypeScript that demonstrates how to deploy a Helm chart named "wallet-component" on a Kubernetes cluster. The program assumes that you have a Kubernetes cluster already running and accessible via your kubeconfig file on your machine. If you need assistance setting up a Kubernetes cluster, Pulumi has resources for creating clusters on different cloud providers such as AWS, Azure, and GCP.

Let's walk through the program:

1. Import the necessary Pulumi and Kubernetes modules.
2. Create a new Helm chart resource by providing the name, version, and repository of the Helm chart you want to deploy.
3. Optionally, supply additional configuration values that the Helm chart accepts for customizing the deployment.

Here's the program that you can use to deploy the "wallet-component" Helm chart:

```typescript
import * as k8s from "@pulumi/kubernetes";

// Helm chart deployment
const walletComponentChart = new k8s.helm.v3.Chart("wallet-component", {
    chart: "wallet-component",
    version: "1.0.0", // Specify the version of the chart you want to deploy
    // Uncomment and specify the repository if the chart is not from the default Helm repo.
    // repositoryOpts: {
    //     repo: "https://charts.example.com/", // Replace with the appropriate Helm repository URL
    // },
    namespace: "default", // Specify the namespace where the chart should be deployed
    // If your Helm chart requires custom values, you can specify them as an object:
    // values: {
    //     key1: value1,
    //     key2: value2,
    //     // ...
    // },
});

// Export the chart's name so that we know the deployment was successful.
export const chartName = walletComponentChart.metadata.name;
```

Here's what the program does:

- We import the `@pulumi/kubernetes` package, which contains helpers for interacting with Kubernetes.
- We define a Helm `Chart` resource, which tells Pulumi to install a Helm chart named "wallet-component" into the specified namespace in our Kubernetes cluster.
- By default, Pulumi looks for charts in the official Helm chart repository. If the wallet-component chart is located in a custom repository, you will need to uncomment the `repositoryOpts` section and provide the URL for the repository.
- The `version` field specifies the version of the Helm chart to be used. Replace `1.0.0` with the actual version of your wallet-component chart.
- The `namespace` field specifies the Kubernetes namespace in which to deploy the wallet-component chart.
- The `values` dictionary contains the set of configurable parameters for the Helm chart. In this example, it is commented out. If your chart requires custom configuration, you can provide those key-value pairs there.
- Finally, we export the name of the deployed chart, which is a good practice to confirm that the deployment is successful when you run `pulumi up`.

Before running the above program, ensure that you are authenticated to your Kubernetes cluster and have Pulumi installed and set up. Save this TypeScript code in a file named `index.ts` and run `pulumi up` in the same directory to deploy your Helm chart to Kubernetes.