Deploy the helm-toolkit helm chart on Rancher

Question

Pulumi · Accepted Answer

To deploy the Helm Toolkit chart on Rancher using Pulumi, we will need to follow these steps:

1. **Set up Rancher**: Ensure that Rancher is set up properly and that you have access to your Kubernetes cluster through Rancher. You will need the cluster ID and potentially specific credentials to interact with Rancher through Pulumi.
   
2. **Add Helm Chart Repository**: Add the repository that contains the Helm Toolkit chart to Rancher, so it's available for deployment.
   
3. **Deploy the Chart**: Use the `rancher2.CatalogV2` resource to deploy the Helm chart from the added repository to your Rancher-managed cluster.

Below is a Pulumi program in TypeScript that demonstrates these steps. This program assumes that you have already configured Pulumi with the appropriate credentials to access your Rancher instance and that you know the catalog URL for the Helm Toolkit chart and your specific cluster ID in Rancher.

I'll explain each part of the program in comments within the code:

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

// Step 1: Set up the Rancher provider configuration
// Make sure to have the Rancher URL and access token configured in your environment for Pulumi to use.
const config = new pulumi.Config();
const rancherUrl = config.require("rancherUrl");
const rancherAccessToken = config.requireSecret("rancherAccessToken");

const provider = new rancher2.Provider("rancher", {
  apiURL: rancherUrl,
  tokenKey: rancherAccessToken,
});

// Step 2: Add the Helm Toolkit chart repository to Rancher
const helmToolkitCatalog = new rancher2.CatalogV2("helmToolkitCatalog", {
  // Replace this URL with the actual catalog URL for Helm Toolkit
  url: "https://helm.toolkit.example.com", 
  clusterId: "your-cluster-id", // Replace with your actual cluster ID
}, { provider });

// Step 3: Deploy the Helm Toolkit chart to your cluster
// In this example, we are deploying the chart with default values. You can specify a values file or
// provide individual values to tailor the deployment to your needs.
const helmToolkitDeployment = new rancher2.AppV2("helmToolkitDeployment", {
  repoName: helmToolkitCatalog.name,
  chartName: "helm-toolkit-chart", // Provide the actual chart name here
  clusterId: "your-cluster-id", // Replace with your actual cluster ID
  namespace: "default", // Specify the namespace where you want the chart to be installed
  chartVersion: "1.0.0", // Replace with the desired chart version
  values: ``, // Optional: You can provide custom values as a multi-line string or reference a values file
}, { provider });

export const helmToolkitDeploymentName = helmToolkitDeployment.name;
```

In this program:

- **Provider Configuration**: We import the `rancher2` package and configure the provider with the access URL and token for Rancher. These tokens should ideally be stored as secrets in the Pulumi configuration, retrieved using `config.requireSecret`.
  
- **Adding Catalog**: We create a `CatalogV2` resource with the URL of the Helm Toolkit catalog to add it to Rancher. You would replace the URL with the actual URL of the Helm Toolkit catalog and provide your cluster ID.

- **Deploying the Chart**: We create an `AppV2` resource to deploy the Helm Toolkit chart to the desired namespace in our cluster. The `repoName` references the catalog we added earlier, and `chartName` should be the name of the Helm Toolkit chart in the catalog.

- **Exports**: At the end of the program, we export the deployment name of the Helm Toolkit deployment for easy reference.

After writing the above Pulumi program, you would run `pulumi up` in your terminal to deploy the Helm Toolkit chart onto your Rancher-managed Kubernetes cluster. If you encounter any issues during deployment, you should review the Rancher documentation or check the Pulumi documentation related to the resources you are using.