Deploy the azurediskprovisioner helm chart on Opensshift

Question

Pulumi · Accepted Answer

Deploying a Helm chart to an OpenShift cluster using Pulumi involves several steps. You need to have an OpenShift cluster ready and your Pulumi environment set up to communicate with the cluster.

The following Pulumi program in TypeScript illustrates how you can deploy the `azurediskprovisioner` Helm chart on an OpenShift cluster.

Before executing this program, please ensure that you have:

1. Installed Pulumi CLI and setup your Pulumi account.
2. Configured your Kubernetes provider to connect to your OpenShift cluster. This can involve setting up `kubectl` to point to the OpenShift cluster and ensuring that the current context is set correctly.
3. Located the Helm chart repository that includes the `azurediskprovisioner` Helm chart that you want to deploy. You will need the repo URL to add it to the program.

Here's a Pulumi program that creates a Helm chart deployment on an OpenShift cluster:

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

// Initialize the Kubernetes provider configuration.

// Replace the `kubeconfig` value with the appropriate configuration for your OpenShift cluster.
const k8sProvider = new kubernetes.Provider("k8s-provider", {
    kubeconfig: process.env.KUBECONFIG,
});

// Define the Helm Chart deployment. Ensure you have the correct `repo` and `chart` names.
const azurediskProvisionerChart = new kubernetes.helm.v3.Chart("azurediskprovisioner", {
    chart: "azurediskprovisioner", // The name of the chart, you might need to change this per the actual chart name.
    version: "1.0.0", // Specify the chart version, change this to the version you intend to deploy.
    fetchOpts: {
        repo: "http://example.com/helm-charts", // Replace with the Helm repository URL.
    },
    // If you need a specific namespace, uncomment and edit the following line:
    // namespace: "my-namespace", 
    // If the chart requires additional values, pass them in the `values` property:
    // values: {
    //    key: "value",
    // },
}, { provider: k8sProvider });

// Export the resources' name and status to ensure the Helm chart is deployed.
export const chartName = azurediskProvisionerChart.metadata.name;
export const chartStatus = azurediskProvisionerChart.status;
```

This program sets up a new Helm chart resource using Pulumi's Kubernetes provider. Here's what happens:

1. A Kubernetes provider is created which knows how to communicate with the OpenShift cluster using the kubeconfig file from the environment variable `KUBECONFIG`.
2. A new instance of `kubernetes.helm.v3.Chart` is declared, which is Pulumi's way to represent a Helm chart deployment.
3. When you run the Pulumi program, Pulumi will reach out to the specified Helm chart repository, download the chart and its dependencies if necessary, and deploy it to the OpenShift cluster with any specified configuration.

You will need to replace placeholders (e.g., the Helm chart repository URL) with actual values that apply to your situation. If the chart requires specific configuration parameters, provide them in the `values` field.

Run the above program with Pulumi by executing the `pulumi up` command, which will apply the desired state to your cluster. Make sure to review the plan before confirming to avoid any unforeseen issues.

Remember to check the chart name and version, as well as the repository URL and any namespaces or values you may need to change according to your needs.