1. Deploy the redis-ui helm chart on Opensshift


    To deploy the redis-ui Helm chart on an OpenShift cluster using Pulumi, you'll need to follow a few steps. First, ensure that you have access to an OpenShift cluster and have the kubectl command-line tool configured to communicate with it.

    You'll be using the @pulumi/kubernetes package because it provides the necessary resources to deploy Helm charts on a Kubernetes cluster, including OpenShift. The Chart resource in the Pulumi Kubernetes provider is responsible for deploying Helm charts.

    Below is a Pulumi TypeScript program that deploys the redis-ui Helm chart on OpenShift:

    1. Set up a Pulumi project: If you have not already done so, create a new Pulumi project using pulumi new kubernetes-typescript.

    2. Write the code: Replace the contents of index.ts with the code provided below.

    3. Install dependencies: Make sure to install the required Pulumi package if not already present.

      npm install @pulumi/kubernetes
    4. Deploy: Run pulumi up to perform the deployment.

    Here is the detailed Pulumi TypeScript program:

    import * as k8s from "@pulumi/kubernetes"; // OpenShift clusters typically have a strict security context, so your Helm chart must be // compatible with those constraints or you may need to adjust OpenShift's security settings. // Replace 'REPLACE_WITH_NAMESPACE' with the namespace where you want to deploy the redis-ui. const namespaceName = 'REPLACE_WITH_NAMESPACE'; // Create a Kubernetes namespace for the Redis UI deployment if necessary. const ns = new k8s.core.v1.Namespace("redis-ui-namespace", { metadata: { name: namespaceName } }); // Deploy the redis-ui Helm chart from the Helm repository. Replace `REPO_URL` with the actual // repository URL and `CHART_VERSION` with the desired chart version. const redisUiChart = new k8s.helm.v3.Chart("redis-ui", { chart: "redis-ui", version: "CHART_VERSION", // Specify the chart version you want to deploy fetchOpts: { repo: "REPO_URL", // Specify the Helm repository URL }, namespace: namespaceName, },{ providers: { kubernetes: k8sProvider }, // Associate with the OpenShift provider if needed }); // Export the Redis UI endpoint as an output. export const redisUiEndpoint = redisUiChart.getResourceProperty("v1/Service", "redis-ui-redis-ui", "status").apply(status => { // Assuming the Service type is LoadBalancer or NodePort, which provides an endpoint. // You might need to adjust the logic based on your actual Service configuration. return status.loadBalancer?.ingress[0].ip || status.loadBalancer?.ingress[0].hostname; });

    Understanding the Code:

    • Namespace: The k8s.core.v1.Namespace resource is used to create a new namespace in the Kubernetes cluster if you want to isolate the redis-ui deployment.

    • Helm Chart: The k8s.helm.v3.Chart resource encapsulates a Helm chart's deployment logic. In the redisUiChart, we specify the chart name, the version, and the repository URL where the chart is located.

    • Fetch Options: The fetchOpts object provides the location of the Helm chart repository. Replace REPO_URL with the actual repository URL where the redis-ui chart is stored.

    • Version: Replace CHART_VERSION with the version number of the redis-ui chart that you wish to deploy.

    • Exported Endpoint: The redisUiEndpoint captures the IP address or hostname that is exposed by the Kubernetes Service object for the redis-ui. This is assuming that the Service type is LoadBalancer or NodePort. You will need to adjust the export based on what type of Service is created by your Helm chart.

    By running this program with Pulumi, the redis-ui Helm chart will be deployed on your OpenShift cluster. To access the Redis UI, you will use the endpoint that is exported by the program. Remember that the exact way the Redis UI is exposed may vary based on how the Helm chart is set up and the specifics of your OpenShift environment. Make sure to review the Helm chart's documentation for any post-deployment steps or prerequisites.

    For more information on the Pulumi Kubernetes provider and the Chart resource, you can visit the following links: