Deploy the os-ubuntu helm chart on Azure Managed Openshift Service

Question

Pulumi · Accepted Answer

To deploy the `os-ubuntu` Helm chart on Azure Managed OpenShift Service, you'll need to complete a few high-level steps:

1. Set up an OpenShift Managed Cluster on Azure using Pulumi Azure Native Provider.
2. Install the Helm chart onto the OpenShift cluster.

For this purpose, we'll use the following Pulumi resources:

- `azure-native.containerservice.OpenShiftManagedCluster`: This resource will create an Azure OpenShift Managed Cluster that provides a fully managed OpenShift service on Azure.
- `kubernetes.helm.sh/v3.Chart`: This resource will deploy a Helm chart on the OpenShift cluster once it's up and running.

Here's the TypeScript code to deploy the chart:

```typescript
import * as pulumi from '@pulumi/pulumi';
import * as azure_native from '@pulumi/azure-native';
import * as k8s from '@pulumi/kubernetes';

// Step 1: Create the Azure OpenShift Managed Cluster
const openShiftCluster = new azure_native.containerservice.OpenShiftManagedCluster("myOpenShiftManagedCluster", {
    // Define the required properties (e.g location, resource group name, OpenShift version)
    location: "East US", // Modify this with the appropriate Azure region
    resourceGroupName: "myResourceGroup", // Replace with your own resource group name
    openShiftVersion: "4.6", // Specify the OpenShift version, double-check for the supported version at the time of deployment
    // Additional properties can be defined as needed...
});

// Step 2: Deploy the `os-ubuntu` Helm chart
// Note: The following step assumes that you have configured k8s provider to connect to your OpenShift cluster.
const helmChart = new k8s.helm.sh.v3.Chart("myUbuntuChart", {
    chart: "os-ubuntu",
    version: "1.0.0", // Specify the chart version, if required
    // Replace 'REPO_URL' with the actual repository URL where `os-ubuntu` chart is hosted.
    repo: "REPO_URL",
    // 'values' attribute should be used to provide any custom values required by the Helm chart.
    values: {}, 
}, { provider: /* your k8s provider */ });

// Export the cluster's kubeconfig 
export const kubeConfig = openShiftCluster.kubeConfig;

```

In the first part of the code, we initialize a new Azure OpenShift cluster using the `azure-native.containerservice.OpenShiftManagedCluster` class. Replace `"East US"` with the region that makes the most sense for your deployment, and `"myResourceGroup"` with the name of the resource group you want to use or create. The OpenShift version is also specified - ensure that the version you want is supported in your region when deploying.

In the second part, a new Helm chart is deployed to the OpenShift cluster. This will require the Kubernetes provider to be configured with the necessary permissions and credentials to interact with your OpenShift cluster. Replace `"REPO_URL"` with the real Helm repository URL where your desired `os-ubuntu` chart is located. You can also specify custom values such as configurations or overrides you might need for the Helm chart in the `values` field.

The `kubeConfig` output will provide you with the `kubeconfig` file content required to connect to your Kubernetes cluster using the Kubernetes CLI (`kubectl`).

To apply this Pulumi program, you will need Pulumi CLI installed, and your environment configured for Azure. Save the code to a file with a `.ts` extension, and execute it using Pulumi CLI commands (`pulumi up`). Make sure to replace placeholders (like `"REPO_URL"`) with actual values before running the commands.