Deploy the twampy helm chart on Rancher

Question

Pulumi · Accepted Answer

To deploy the "twampy" Helm chart on Rancher using Pulumi, you'll need to follow these steps:

1. **Install Pulumi CLI**: Make sure you have the Pulumi CLI installed on your system.
2. **Configure Pulumi for Rancher**: Set up the Pulumi Rancher provider by authenticating with your Rancher server and pointing Pulumi to the correct K8s cluster managed by Rancher.
3. **Define the Helm Chart in Pulumi**: Create a Pulumi TypeScript program to deploy the "twampy" Helm chart.

Let's walk through what a Pulumi program to accomplish this might look like in TypeScript.

You will need the `@pulumi/rancher2` package to interact with Rancher resources, and you will use the `@pulumi/kubernetes` package to deploy a Helm chart. Let's create the Pulumi program as follows:

```typescript
import * as rancher2 from "@pulumi/rancher2";
import * as k8s from "@pulumi/kubernetes";

// Create a Rancher2 provider instance using the imported Rancher2 package.
// You should have Rancher's URL and an access key to authenticate against the Rancher API.
const rancherProvider = new rancher2.Provider("rancher", {
    apiUrl: "https://your-rancher-api-url", // Replace with your Rancher API URL
    accessKey: "your-access-key",           // Replace with your access key
    secretKey: "your-secret-key"            // Replace with your secret key
});

// Ensure that a Kubernetes provider is created with the above Rancher2 provider.
// This lets Pulumi know to deploy the Helm chart onto a Kubernetes cluster managed by Rancher.
const k8sProvider = new k8s.Provider("k8s", {
    kubeconfig: rancherProvider.kubeConfigs.apply(configs => configs[0].config),
}, { dependsOn: rancherProvider });

// Define the Helm chart using Pulumi's Kubernetes package.
const twampyChart = new k8s.helm.v3.Chart("twampy-helm-chart", {
    chart: "twampy",
    // Optionally: Specify the Helm chart version you want to deploy, e.g., version: "1.2.3"
    // Optionally: Specify any values to customize the deployment of the Helm chart
    fetchOpts: {
        repo: "https://helm-repo-that-contains-twampy", // Replace with Helm repo URL that contains the "twampy" chart
    },
}, { provider: k8sProvider });

// Export the name of the cluster being used
export const clusterName = rancherProvider.clusterId;
```

You must replace the placeholders `https://your-rancher-api-url`, `your-access-key`, and `your-secret-key` with your actual Rancher API URL and credentials, respectively. The `https://helm-repo-that-contains-twampy` must be replaced with the actual Helm chart repository URL where the "twampy" chart is available.

Also, you might need to specify additional configuration depending on how "twampy" Chart is configured or which particular aspects of the chart you wish to customize.

This program first creates a Rancher provider using your API URL and keys, then establishes a Kubernetes provider based on the configuration obtained from Rancher. With this setup, it then deploys the "twampy" Helm chart to your Kubernetes cluster managed by Rancher.

Remember to replace the placeholders with your actual information before running the program. Once you have this TypeScript file, you can run `pulumi up` to deploy the Helm chart to your Kubernetes cluster managed by Rancher.

Make sure you have the required permissions and access for both Rancher and the Kubernetes cluster within Rancher for successful deployment.