1. Deploy the wallet-component helm chart on Digital Ocean Kubernetes Service

    TypeScript

    To deploy a Helm chart on Digital Ocean Kubernetes Service using Pulumi, we will accomplish the following steps:

    1. Create a Digital Ocean Kubernetes Cluster: First, we need a Kubernetes cluster where our Helm chart will reside. We'll define a DigitalOcean Kubernetes cluster.

    2. Install the Helm Chart: With our Kubernetes cluster in place, we will install the Helm chart corresponding to the wallet-component. Helm charts are packages of pre-configured Kubernetes resources.

    Here's a step-by-step TypeScript program that demonstrates how to achieve this using Pulumi:

    Step 1: Set up the Pulumi Project

    Ensure that you have Pulumi installed and configured with the correct access tokens for Digital Ocean. You can find more information on setting up Pulumi in the official installation guide.

    Step 2: Write the Pulumi Program

    Now let's write the Pulumi code. Below is the TypeScript program that creates a Digital Ocean Kubernetes cluster and deploys the wallet-component Helm chart to it.

    import * as digitalocean from "@pulumi/digitalocean"; import * as kubernetes from "@pulumi/kubernetes"; import * as pulumi from "@pulumi/pulumi"; // Create a DigitalOcean Kubernetes cluster const cluster = new digitalocean.KubernetesCluster("do-cluster", { region: "nyc1", version: "latest", nodePool: { size: "s-1vcpu-2gb", name: "default", nodeCount: 2, }, }); // Export the DigitalOcean K8s config export const kubeConfig = cluster.kubeConfigs[0].rawConfig; // Create a Kubernetes Provider instance using the kubeconfig const k8sProvider = new kubernetes.Provider("k8s-provider", { kubeconfig: kubeConfig, }); // Use the Helm Chart resource to deploy the wallet-component chart const walletComponentChart = new kubernetes.helm.v3.Chart("wallet-component", { chart: "wallet-component", // Assuming the chart is publicly available in a Helm repo; // if it's not, you may need to configure `repo` or other `fetchOpts`. fetchOpts: { // Specify the repo here if needed // repo: "http://charts.example.com/", }, }, { provider: k8sProvider }); // Export the wallet component service endpoint export const walletComponentEndpoint = pulumi.all([walletComponentChart.getResourceProperty("v1/Service", "wallet-component", "status"), walletComponentChart.getResourceProperty("v1/Service", "wallet-component", "spec")]) .apply(([status, spec]) => { return `http://${status.loadBalancer.ingress[0].ip}:${spec.ports[0].port}`; });

    Step 3: Deploy the Infrastructure

    Once you have saved this code to a file (e.g., index.ts), you can deploy it with the Pulumi CLI.

    1. Navigate to the directory containing the index.ts file.
    2. Run pulumi up and confirm the action when prompted.

    This will provision the Kubernetes cluster on Digital Ocean and deploy the wallet-component Helm chart onto the cluster.

    Explanation

    • We import necessary Pulumi packages for DigitalOcean and Kubernetes.
    • We define a new Kubernetes cluster in the specified region with a given node size and count.
    • The kubeconfig needed to interact with the cluster programmatically is exported.
    • We define a new Kubernetes provider to interact with our cluster using the exported kubeconfig.
    • We then declare a new Helm chart resource specifying the name of the chart.
    • We assume the wallet-component chart is in a publicly accessible Helm repo. If it's hosted in a private or custom repository, you would need to provide the repo URL in fetchOpts.
    • Finally, we attempt to export the endpoint of the wallet-component service. It uses pulumi.all to ensure that both the status and spec of the service are ready before constructing the endpoint URL.

    Compare this to the Kubernetes cluster and helm chart resources documentation for more details:


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