1. Deploy the openshift-deployment helm chart on Digital Ocean Kubernetes Service


    To deploy an OpenShift Deployment Helm chart on a Digital Ocean Kubernetes Service (DOKS), you would first need to provision a Kubernetes cluster on Digital Ocean. Once the cluster is up and running, you can apply a Helm chart to deploy OpenShift.

    Below, I am providing you with a Pulumi program written in TypeScript that follows these steps:

    1. Provision a Kubernetes cluster on Digital Ocean using the digitalocean.KubernetesCluster resource.
    2. Deploy the OpenShift Deployment Helm chart using the kubernetes.helm.v3.Chart resource from the Kubernetes provider.

    Let's break down the steps and the corresponding Pulumi resources that will be used in the program:

    Step 1: Provision a Kubernetes Cluster on Digital Ocean

    • The digitalocean.KubernetesCluster resource is a Pulumi resource that allows provisioning a Kubernetes cluster on Digital Ocean. You will specify the region, version, and node pool configuration. (KubernetesCluster docs)

    Step 2: Deploy OpenShift using Helm Chart

    • The kubernetes.helm.v3.Chart resource is used to deploy a Helm chart to a Kubernetes cluster. Helm charts are packages that contain pre-configured Kubernetes resources. For OpenShift, you'll specify the address of the Helm chart repository and the chart's name. (Chart docs)

    Below, you'll find the Pulumi TypeScript program:

    import * as digitalocean from "@pulumi/digitalocean"; import * as kubernetes from "@pulumi/kubernetes"; import * as pulumi from "@pulumi/pulumi"; const name = "doks-cluster"; // Create a DigitalOcean Kubernetes cluster with default settings const cluster = new digitalocean.KubernetesCluster(name, { region: "nyc1", version: "1.21.5-do.0", nodePool: { name: "default-pool", size: "s-2vcpu-2gb", nodeCount: 2, }, }); // Export the cluster's kubeconfig export const kubeconfig = cluster.kubeConfigs[0].rawConfig; // Create a provider for the Helm chart's Kubernetes resources. // This utilizes the kubeconfig from the cluster we just created. const k8sProvider = new kubernetes.Provider(name, { kubeconfig: kubeconfig, }); // Deploy the openshift-deployment Helm chart to the cluster. // Make sure to replace `repository` and `chart` with the correct values for your use case. const openshiftChart = new kubernetes.helm.v3.Chart("openshift-deployment", { chart: "openshift-deployment", version: "x.y.z", // Replace with the chart version you wish to deploy fetchOpts: { repo: "https://charts.example.com/" }, // Replace with OpenShift Helm chart's repository URL }, { provider: k8sProvider }); // Export the Helm chart's status export const helmStatus = openshiftChart.status;

    In this program:

    • We first create a new Digital Ocean Kubernetes cluster with the digitalocean.KubernetesCluster resource. The cluster will be located in the New York City region (nyc1), with a specified Kubernetes version. The node pool is configured with two nodes of size s-2vcpu-2gb.
    • We export the kubeconfig for the newly created cluster, which allows us to interact with the cluster using Kubernetes' standard tooling.
    • We then create a Pulumi Kubernetes provider using the exported kubeconfig. This provider ensures that the Helm chart will be deployed to our newly created cluster.
    • We use the kubernetes.helm.v3.Chart resource to deploy an OpenShift Deployment Helm chart. You'll need to replace the placeholders with the actual version and repository URL for the OpenShift Helm chart you intend to use.
    • Finally, we export the status of the Helm deployment so you can verify that it deployed correctly.

    To run this program, you will need to have Pulumi installed and configured with access to your Digital Ocean account. Make sure you have the correct permissions to create and manage Kubernetes clusters and Helm charts. Once you've set everything up, you run the program using pulumi up, which will execute the code and provision the infrastructure as defined.