1. Deploy the simple-grafana helm chart on Oracle Kubernetes Engine (OKE)

    TypeScript

    To deploy the simple-grafana Helm chart on Oracle Kubernetes Engine (OKE) using Pulumi, you need to perform several tasks:

    1. Set up the Oracle Kubernetes Engine (OKE) cluster.
    2. Configure Pulumi to use the oci and kubernetes providers to interact with Oracle Cloud Infrastructure and Kubernetes, respectively.
    3. Create a Kubernetes configuration that allows Pulumi to connect to your OKE cluster.
    4. Use the kubernetes.helm.v3.Chart resource to deploy the simple-grafana Helm chart to your OKE cluster.

    We will go through each step, providing a Pulumi program that accomplishes this.

    Step 1: Set up an OKE Cluster

    If you don't already have an OKE cluster, you can create one using the oci.ContainerEngine.Cluster resource. However, since setting up a new cluster is beyond the scope of deploying a Helm chart and typically done separately, in this guide, we assume you already have an OKE cluster up and running that you can connect to.

    Step 2: Configure Pulumi Providers

    For Pulumi to connect to Oracle Cloud and your Kubernetes cluster, you need to provide the appropriate credentials. Make sure that your Oracle Cloud credentials are set up correctly in your environment, as described in the OCI Provider documentation.

    Step 3: Create Kubernetes Configuration

    With your OKE cluster ready, obtain the kubeconfig file that allows you to connect to this cluster via kubectl. This file contains the necessary details for Pulumi's Kubernetes provider to interact with your cluster. Store the contents of your kubeconfig file securely and ensure it's accessible during deployment.

    Step 4: Deploy simple-grafana Helm Chart

    Use the kubernetes.helm.v3.Chart resource, from the Pulumi Kubernetes provider, to deploy your simple-grafana chart. In your Pulumi program, you provide the name of the chart and, optionally, any overrides for default settings you want to apply.

    Here's a TypeScript program showing how this could be done. Place this code in a file, such as index.ts, in your Pulumi project directory.

    import * as pulumi from "@pulumi/pulumi"; import * as oci from "@pulumi/oci"; import * as k8s from "@pulumi/kubernetes"; // Existing OKE cluster information const clusterId = "your-oke-cluster-id"; // Replace with your actual cluster ID const compartmentId = "your-oci-compartment-id"; // Replace with your actual compartment ID // Create an OCI Provider instance const ociProvider = new oci.Provider("ociProvider", { // You can set the region and other properties if needed. }); // Retrieve the kubeconfig from OCI for your existing OKE Cluster const kubeconfig = pulumi.output(oci.containerengine.getClusterKubeconfig({ clusterId: clusterId, compartmentId: compartmentId, }, { provider: ociProvider })).kubeconfig; // Create a Kubernetes provider instance using the cluster's kubeconfig const k8sProvider = new k8s.Provider("k8sProvider", { kubeconfig: kubeconfig, }); // Deploy the simple-grafana Helm chart const grafanaChart = new k8s.helm.v3.Chart("simple-grafana", { chart: "grafana", // You can specify the version of the chart and its values here // For example: // version: "6.1.0", // values: { // service: { // type: "LoadBalancer", // }, // }, // Make sure to specify the namespace if required // namespace: "default", }, { provider: k8sProvider }); // Export the service URL of Grafana export const grafanaServiceUrl = pulumi.output(grafanaChart.getResourceProperty("v1/Service", "simple-grafana-grafana", "status")) .apply(status => `http://${status.loadBalancer.ingress[0].ip}:80`);

    In the program above, we're fetching the kubeconfig from OCI that is specific to a pre-existing OKE cluster. We then create a new instance of the Kubernetes provider using this configuration. With the provider configured, we define a Chart resource, pointing to the grafana Helm chart. This is synonymous with running a helm install command. Optionally, we include a block to set specific values for the Helm chart configuration, such as specifying service types or deploying Grafana in a specific namespace.

    Finally, we export the Grafana service URL, which you can use to access the Grafana dashboard once it's deployed. Remember that some configuration settings in the Helm chart, like the service type, may affect the availability of the URL, so make sure the service type corresponds with your cloud provider's capabilities (e.g. LoadBalancer).

    Please make sure that the chart name 'grafana' is replaced with 'simple-grafana' or the correct chart name from your Helm repository, and also fill the clusterId, and compartmentId.

    To deploy this Pulumi program, place it in your Pulumi project directory, then run pulumi up from your terminal. Follow the prompts by Pulumi to preview and deploy your changes. After successful deployment, you can run pulumi stack output grafanaServiceUrl to get the Grafana service URL and access your Grafana dashboard.


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