1. Deploy the z2jh4k8s helm chart on Oracle Kubernetes Engine (OKE)

    TypeScript

    To deploy the z2jh4k8s Helm chart on Oracle Kubernetes Engine (OKE), we need to set up the infrastructure on OKE including a Kubernetes cluster where the Helm chart can be deployed. We'll be using the oci.ContainerEngine.Cluster resource from the OCI Pulumi provider to create a new Kubernetes cluster within Oracle's cloud infrastructure. Following the creation of the Kubernetes cluster, we will utilize the kubernetes.helm.v3.Chart resource from the Kubernetes Pulumi provider to deploy the specified Helm chart.

    The steps are as follows:

    1. Set up a new OKE cluster using oci.ContainerEngine.Cluster.
    2. Install the Helm chart on the OKE cluster utilizing kubernetes.helm.v3.Chart.

    Here's a detailed Pulumi TypeScript program that accomplishes these steps:

    import * as oci from "@pulumi/oci";
import * as k8s from "@pulumi/kubernetes";

// Step 1: Create an OKE Cluster
// Replace the following with the correct compartmentId and VCN details
const compartmentId = "your-compartment-id"; // OCI Compartment ID where resources should be created
const vcnId = "your-vcn-id"; // OCI VCN ID for the Kubernetes cluster

const cluster = new oci.ContainerEngine.Cluster("myOkeCluster", {
    compartmentId: compartmentId,
    kubernetesVersion: "v1.21.5", // specify the Kubernetes version
    options: {
        serviceLbSubnetIds: [], // specify the subnet IDs for Load Balancers
        kubernetesNetworkConfig: {
            podsCidr: "10.244.0.0/16", // specify CIDR block for pods
            servicesCidr: "10.96.0.0/16" // specify CIDR block for services
        }
    },
    vcnId: vcnId,
});

// Step 2: Install the Helm Chart
// We first need to create a Kubernetes provider that targets our newly created OKE cluster
// This may involve fetching kubeconfig details for the OKE cluster once it's created

// Fetch the kubeconfig from the newly created OKE cluster (assuming this is available post-creation)
const kubeconfig = cluster.kubeconfig; // replace with the appropriate way to fetch the kubeconfig

// Use the obtained kubeconfig to set up the Kubernetes provider
const k8sProvider = new k8s.Provider("okeK8sProvider", {
    kubeconfig: kubeconfig
});

// Next, we deploy the `z2jh4k8s` helm chart using the kubernetes.helm.v3.Chart resource
// The name "z2jh" and the repository URL should be replaced with the actual chart name and URL

const z2jhChart = new k8s.helm.v3.Chart("z2jh", {
    chart: "z2jh4k8s",
    version: "x.y.z", // specify the chart version, e.g., "1.1.0"
    fetchOpts: {
        repo: "http://helm-repo-url" // specify the repository URL where the chart is stored
    }
}, { provider: k8sProvider });

// Export the cluster name and kubeconfig if needed
export const clusterName = cluster.name;
export const kubeConfigOutput = kubeconfig;

    In this program, we first declare our OCI compartment and VCN IDs needed to locate and deploy our Kubernetes cluster within Oracle's cloud infrastructure. We then create an OKE cluster using the OCI Pulumi provider and specify the necessary Kubernetes version and network config options.

    The second step is to install the z2jh4k8s Helm chart on our new cluster. We first setup a Kubernetes provider utilizing the kubeconfig from the OKE cluster, and then we define a Chart resource using the kubernetes.helm.v3.Chart class with required options like the chart name, version, and Helm repo URL which hosts our chart.

    Finally, we have marked clusterName and kubeConfigOutput as exports, which will provide us with the OKE cluster's name and kubeconfig in the output, respectively.

    Please ensure that you replace placeholder strings like "your-compartment-id", "your-vcn-id", "x.y.z", and "http://helm-repo-url" with the actual values relevant to your setup.

    Do note that deploying a cluster and a Helm chart might involve security credentials and setup (like assignments of OCI policies and roles) that are not covered in this basic setup. Those should be preconfigured in your environment and Pulumi setup before running this code.


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