1. Deploy the tyk-gateway helm chart on Oracle Kubernetes Engine (OKE)

    TypeScript

    Deploying the Tyk Gateway Helm Chart on Oracle Kubernetes Engine (OKE) involves three main steps:

    1. Setting up the OKE cluster where the Tyk Gateway will run.
    2. Storing Helm Chart configurations as Pulumi configuration settings.
    3. Creating a Helm release resource that will deploy the Tyk Gateway Helm chart to the OKE cluster.

    Below is the TypeScript program to accomplish the deployment:

    Prerequisites:

    • Ensure that you have an Oracle Cloud Infrastructure (OCI) account.
    • Install Pulumi CLI and authenticate with your OCI account.
    • Install @pulumi/oci and @pulumi/kubernetes Node.js packages.
    • Set up your OCI configuration to allow Pulumi to communicate with Oracle Cloud.

    Pulumi Program to Deploy Tyk Gateway Helm Chart on OKE:

    import * as oci from "@pulumi/oci"; import * as k8s from "@pulumi/kubernetes"; // Step 1: Setting up the Oracle Kubernetes Engine (OKE) cluster const cluster = new oci.ContainerEngine.Cluster("okeCluster", { // Specify the necessary properties such as compartment ID, VCN ID, etc. compartmentId: "<your_compartment_id>", kubernetesVersion: "<desired_kubernetes_version>", vcnId: "<your_vcn_id>", }); // Typically, node pools are also needed; you would create those here // Consider using `oci.ContainerEngine.NodePool` and pass in the cluster ID const nodePool = new oci.ContainerEngine.NodePool("okeNodePool", { // Properties for node pool such as image, size, shape, etc. clusterId: cluster.id, // Other necessary properties... }); // Output the kubeconfig file for accessing the OKE cluster export const kubeconfig = cluster.kubeconfig; // Step 2: Helm Chart configurations as Pulumi configuration settings // These settings can include the values to customize the Tyk Gateway Helm chart // You can store these settings in a Pulumi configuration file or inline them in the code const config = new pulumi.Config(); const tykValues = config.requireObject<any>("tykValues"); // Step 3: Creating the Helm release resource for the Tyk Gateway const tykChart = new k8s.helm.v3.Chart("tyk-gateway", { chart: "tyk-gateway", version: "<desired_chart_version>", // Specify the chart version if required fetchOpts: { repo: "https://helm.tyk.io/public/helm/charts/", // Repository of Tyk Helm Charts }, values: tykValues, // Values for customizing Tyk Gateway, loaded from Pulumi config }, { provider: new k8s.Provider("k8sProvider", { kubeconfig: cluster.kubeconfig }) }); // Export the URL or necessary details for accessing the Tyk Gateway if needed export const tykGatewayUrl = "<derive_from_service_or_ingress>";

    Explanation:

    • We start by importing the necessary Pulumi libraries for OCI and Kubernetes.
    • We then define an OKE cluster (oci.ContainerEngine.Cluster) resource, specifying the required configuration options like compartment ID, VCN ID, and desired Kubernetes version.
    • A node pool is defined (oci.ContainerEngine.NodePool) for establishing worker nodes in the OKE cluster.
    • We output the kubeconfig to be able to connect to the OKE cluster with kubectl or other Kubernetes tools.
    • In step 2, we set up the Pulumi configuration using pulumi.Config() to store the Tyk Gateway Helm chart values. These values can be specified in a configuration file or inline within the code.
    • In step 3, we define a Helm release using k8s.helm.v3.Chart and configure it to deploy the Tyk Gateway Helm chart.
    • We specify the fetch options to point to the Tyk Helm chart repository.
    • We connect to the Kubernetes cluster by creating a new instance of the Kubernetes provider and passing in the kubeconfig from the OKE cluster.

    Follow-up:

    • Replace placeholders (<your_compartment_id>, <desired_kubernetes_version>, <your_vcn_id>, <desired_chart_version>, etc.) with actual values specific to your OCI environment.
    • Define the actual Helm chart values in tykValues based on your requirements for the Tyk Gateway deployment.
    • After running pulumi up, Pulumi will execute the defined resources and deploy the Tyk Gateway Helm chart on the OKE cluster.

    If you need to access Tyk Gateway, consider exporting additional information such as the service URL or ingress hostname by querying the created Kubernetes service or ingress resource and syncing the export statement accordingly.


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