Deploy the spark-shuffle helm chart on Azure Kubernetes Service (AKS)

Question

Pulumi · Accepted Answer

Deploying a Helm chart to an Azure Kubernetes Service (AKS) cluster involves a few steps:

1. Provision the AKS cluster.
2. Install the Helm CLI tool to deploy Helm charts.
3. Deploy the Helm chart to the AKS cluster.

Here's how you can accomplish this using Pulumi with TypeScript:

### Step 1: Provision the AKS Cluster

First, we need to create the AKS cluster. Pulumi allows you to define your infrastructure using code which can then be deployed to any cloud provider, in this case, Azure.

We will use the `azure-native` provider, which is the Pulumi provider for Azure based on the Azure Resource Manager (ARM) API.

```typescript
import * as azure_native from "@pulumi/azure-native";
import * as pulumi from "@pulumi/pulumi";

// Create a resource group for the AKS cluster
const resourceGroup = new azure_native.resources.ResourceGroup("myResourceGroup");

// Now create the AKS cluster within the resource group
const cluster = new azure_native.containerservice.ManagedCluster("myAKSCluster", {
    resourceGroupName: resourceGroup.name,
    // Provide other required configurations for the AKS cluster:
    // such as the DNS prefix, the node count, VM size, etc.
});

// See the Azure Native provider documentation for creating a Managed Cluster:
// https://www.pulumi.com/registry/packages/azure-native/api-docs/containerservice/managedcluster/
```

### Step 2: Configure Kubectl and Helm

Once the AKS cluster is provisioned, you need to configure `kubectl` to connect to it. You can do this by setting the `KUBECONFIG` environment variable or running `az aks get-credentials`. Then, install Helm on your local machine, which will be used to deploy the Helm chart.

### Step 3: Deploy the Helm Chart

To deploy the Helm chart, you can use Pulumi's Kubernetes provider. This provider will interface with your cluster's Helm installation to deploy and manage Helm charts.

Here's how you would deploy the `spark-shuffle` Helm chart:

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

// You would need the kubeconfig to connect to the AKS cluster
const kubeconfig = cluster.kubeConfigRaw;

// Now, we deploy the Helm chart
const sparkShuffleChart = new k8s.helm.v3.Chart("spark-shuffle", {
    chart: "spark-shuffle",
    // You would specify the Helm chart repository here
    // It might be something like `https://example.com/helm-charts`
    // If the Helm chart is in a public repository, you might not need `repo`
    // If it's a custom Helm chart, you would need to package it and provide its path
    version: "chart-version", // Replace with the chart version you want to deploy
    fetchOpts: {
        // Provide necessary options to fetch the Helm chart
        // For example: `repo: "http://your-helm-chart-repo/"`.
    },
    // Pass any required values.yaml parameters here
    values: {
        // Replace with configuration of `spark-shuffle`,
        // Such as `image: "your-image-name"`, or other necessary values.
    },
}, { provider: new k8s.Provider("k8s-provider", { kubeconfig }) });

// See the Kubernetes provider documentation for installing a chart:
// https://www.pulumi.com/registry/packages/kubernetes/api-docs/helm/v3/chart/
```

### Deploying your Pulumi Program

To run the above Pulumi program, you will use Pulumi’s CLI:

1. Run `pulumi up` to preview and deploy the changes.
2. Confirm the preview looks as expected.
3. Select "yes" to perform the deployment.

Upon successful deployment, Pulumi will have provisioned the AKS cluster and deployed the `spark-shuffle` Helm chart.

Remember to replace placeholders such as `"chart-version"`, `image: "your-image-name"`, and any Helm chart `values` with appropriate values based on the Helm chart you are deploying.