1. Deploy the chromium-render helm chart on Linode Kubernetes Engine

    TypeScript

    To deploy the chromium-render Helm chart on Linode Kubernetes Engine (LKE), we're going to perform a series of steps using Pulumi. The approach includes:

    1. Setting up a Kubernetes cluster on Linode.
    2. Deploying the chromium-render Helm chart onto the cluster.

    Pulumi doesn't have a Linode provider as of the last knowledge update. So, we need to use the Linode CLI or Linode API directly to provision an LKE cluster. After creating the LKE cluster, we will use Pulumi's Kubernetes provider to deploy the Helm chart.

    Here's a high-level description of these steps in code:

    1. Linode Kubernetes Engine Cluster: Create the LKE cluster outside of Pulumi using Linode's infrastructure. Configure kubeconfig to connect to the LKE cluster.

    2. Pulumi Kubernetes Provider: Use the Pulumi Kubernetes provider to deploy the Helm chart. For this, we set up a Pulumi Kubernetes Provider to connect to the LKE cluster using the kubeconfig obtained from Linode.

    3. Deploy Helm Chart: Use the Chart resource from the @pulumi/kubernetes/helm package to deploy chromium-render. To do this, you specify the necessary values such as chart name, repo URL if it's a public chart, and any custom values you might need for the Helm chart.

    Let's start by writing the program that will deploy the Helm chart using Pulumi and TypeScript. Please note, this assumes you have already provisioned a Linode Kubernetes Engine cluster and have a kubeconfig file ready to use.

    import * as k8s from "@pulumi/kubernetes"; // The kubeconfig can be fetched from Linode after cluster creation. // This example assumes you have the kubeconfig available as `kubeconfig.json` in your working directory. const kubeconfigFile: string = "kubeconfig.json"; // Create a Kubernetes provider instance that uses our cluster from Linode. const clusterProvider = new k8s.Provider("lke-k8s-provider", { kubeconfig: kubeconfigFile, }); // Deploy the `chromium-render` helm chart using the Pulumi Kubernetes provider. // Make sure to replace `chartRepoUrl` with the actual repository URL where `chromium-render` is hosted. const chart = new k8s.helm.v3.Chart("chromium-render", { chart: "chromium-render", // If your Helm chart is in a public repository, specify the `repo` property. // For example: `repo: "https://example.com/helm-charts"` // If the chart is local, use `path: "./path-to-your-chart"` version: "1.0.0", // Replace with the desired chart version namespace: "default" // Specify the namespace if different from 'default' }, { provider: clusterProvider }); // Export the public IP address of the `chromium-render` service if available export const chromiumRenderIP = chart.getResourceProperty("v1/Service", "chromium-render", "status") .apply(status => status.loadBalancer?.ingress[0]?.ip || "Not assigned");

    This program sets up the necessary resources to deploy a Helm chart on an LKE cluster. The Pulumi Kubernetes provider enables us to interact with the cluster by using the kubeconfig file generated by Linode, while Chart from @pulumi/kubernetes/helm is representing our Helm release.

    The kubeconfig argument within the provider configuration points to the kubeconfig file for the LKE cluster. The Chart resource within Pulumi allows you to manage Helm charts in a Kubernetes cluster programmatically.

    Lastly, we export the IP address of the deployed service, if available. This will be the IP through which you can access the chromium-render application once it is exposed by a service (typically through a LoadBalancer type in a cloud environment).

    Please ensure that you create your LKE cluster according to Linode's documentation, and have the kubeconfig on hand to allow Pulumi to interface with your cluster.


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