1. Deploy the prometheus-jsonpath-exporter helm chart on Rancher

    TypeScript

    To deploy the prometheus-jsonpath-exporter Helm chart on a Rancher-managed Kubernetes cluster using Pulumi, you'll need to perform several steps:

    1. Create or select a Kubernetes cluster managed by Rancher.
    2. Install the Rancher2 provider which helps manage resources in a Rancher2 setup.
    3. Use the rancher2.CatalogV2 resource to add the Helm repository that contains the prometheus-jsonpath-exporter chart to Rancher.
    4. Deploy the Helm chart using the rancher2.AppV2 resource.

    Below is a Pulumi program written in TypeScript that demonstrates how to accomplish these tasks. This program assumes that you have a Rancher-managed Kubernetes cluster set up and that you've already configured Pulumi to work with your Rancher installation. This program also assumes that the Helm chart for prometheus-jsonpath-exporter is available in a Helm repository.

    First, we'll need to import the necessary Pulumi and rancher2 packages.

    import * as pulumi from "@pulumi/pulumi"; import * as rancher2 from "@pulumi/rancher2";

    Next, you need to create an instance of the rancher2.CatalogV2 resource to add the Helm repository to Rancher.

    const catalog = new rancher2.CatalogV2("prometheusExporterCatalog", { clusterId: "<your-cluster-id>", // Replace with your actual cluster ID name: "prometheus-jsonpath-exporter", url: "https://prometheus-community.github.io/helm-charts", // Adjust the URL to the Helm repository that contains the chart });

    After adding the Helm repository, deploy the chart using rancher2.AppV2. Configure the application deployment as per your needs in the values property of the resource. In this example, we're keeping things minimal, but you may want to specify custom values for your use case.

    const app = new rancher2.AppV2("prometheusJsonpathExporter", { clusterId: "<your-cluster-id>", // Replace with your actual cluster ID namespace: "monitoring", // Ensure this namespace exists in your cluster or adjust it accordingly repoName: catalog.name, // This references the Catalog V2 resource we created earlier chartName: "prometheus-jsonpath-exporter", // Replace with the exact chart name chartVersion: "<chart-version>", // Specify the version of the chart you need });

    This will deploy the prometheus-jsonpath-exporter chart to your selected namespace within the cluster you specified.

    Now let's put it all together in a complete Pulumi program.

    import * as pulumi from "@pulumi/pulumi"; import * as rancher2 from "@pulumi/rancher2"; // Initialize the Rancher2 provider // The configuration should be handled outside of code in the Pulumi config, which is managed by the Pulumi CLI. const provider = new rancher2.Provider("rancher2Provider", { // Configuration properties for connecting to your Rancher instance // e.g., apiUrl, accessKey, secretKey // These are typically set in the config and not hard-coded }); // Add the Helm repository to Rancher using the Catalog V2 resource const catalog = new rancher2.CatalogV2("prometheusExporterCatalog", { clusterId: "<your-cluster-id>", name: "prometheus-jsonpath-exporter", url: "https://prometheus-community.github.io/helm-charts", }, {provider}); // Deploy the prometheus-jsonpath-exporter Helm chart using the App V2 resource const app = new rancher2.AppV2("prometheusJsonpathExporter", { clusterId: "<your-cluster-id>", namespace: "monitoring", repoName: catalog.name, chartName: "prometheus-jsonpath-exporter", chartVersion: "<chart-version>", // Optionally, provide values to customize the configuration. // values: pulumi.output({}).apply(_ => "---\nsome: value\n"), }, {provider}); // Export any necessary outputs export const appUrl = pulumi.interpolate`https://${app.status.url}`;

    Make sure to replace <your-cluster-id>, <chart-version>, and any other placeholder values with actual data from your Rancher setup and the Helm chart metadata you wish to use. The values property in the rancher2.AppV2 resource can be configured to set the Helm chart values if you need to customize the default chart deployment settings.

    Remember to configure your Pulumi stack with the required secrets and configuration values for connecting to your Rancher instance. This typically involves using pulumi config set commands to set values for apiUrl, accessKey, secretKey, and any other configurations required by the Rancher provider.

    After writing and saving this code into a file (e.g., index.ts), you can deploy it by running pulumi up in the command line from the directory where your Pulumi project is located. Pulumi CLI will prompt you to review and confirm the changes before they're applied to your infrastructure. Once confirmed, Pulumi will handle the process of communicating with Rancher to deploy your Helm chart.


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