1. Using kubernetes k8s.nginx.org with metallb.io

    TypeScript

    In order to use k8s.nginx.org with metallb.io in a Kubernetes cluster, you would typically need to set up nginx-ingress as your ingress controller and MetalLB as your load balancer solution. The nginx-ingress controller will manage the ingress resources in your cluster, enabling HTTP routing based on your defined rules, while MetalLB will provide network load-balancing.

    Pulumi enables you to define and manage these resources declaratively using code. Below is a Pulumi program written in TypeScript that will set up an nginx-ingress controller along with MetalLB in a Kubernetes cluster:

    1. Nginx-ingress: It's an Ingress controller for Kubernetes using NGINX as a reverse proxy and load balancer. It's widely used due to its performance and flexibility.
    2. MetalLB: It's a load balancer implementation for bare metal Kubernetes clusters, using standard routing protocols.

    First, we need to make sure that you have Pulumi installed and configured to work with your Kubernetes cluster. Once that's done, you can use the following program to deploy nginx-ingress and MetalLB. Please adjust any configuration to match your specific requirements, such as resource names, namespaces, and configuration parameters.

    import * as k8s from "@pulumi/kubernetes"; // Define a new Kubernetes namespace for nginx-ingress resources const nginxIngressNamespace = new k8s.core.v1.Namespace("nginx-ingress", { metadata: { name: "nginx-ingress", // Change to desired namespace name }, }); // Install the nginx-ingress controller using the Helm chart const nginxIngressController = new k8s.helm.v3.Chart("nginx-ingress-controller", { chart: "ingress-nginx", // This is the official Helm chart for the ingress-nginx version: "<chart-version>", // Specify the chart version you want to deploy fetchOpts: { // Optional: define the repository if it's not the default Helm repo repo: "https://kubernetes.github.io/ingress-nginx", }, namespace: nginxIngressNamespace.metadata.name, // Deploying into the created namespace }, { dependsOn: [nginxIngressNamespace] }); // Ensure the namespace exists before creating the Helm chart // Install MetalLB using the Helm chart const metalLB = new k8s.helm.v3.Chart("metallb", { chart: "metallb", version: "<chart-version>", // Specify the chart version you want to deploy fetchOpts: { repo: "https://metallb.github.io/metallb", }, // Assuming you want to install MetalLB in the default Kubernetes namespace values: { // Specify MetalLB settings as needed // You might use a ConfigMap to set up MetalLB's layer 2 configuration like so: configInline: { address-pools: [ { name: "default", protocol: "layer2", addresses: [ "192.168.1.240/28", // Replace with the range suitable for your network ], }, ], }, }, }); // Exports can be used to obtain certain information about the deployed resources after deploying via `pulumi up` export const ingressNamespace = nginxIngressNamespace.metadata.name; export const ingressControllerStatus = nginxIngressController.status; export const metalLBStatus = metalLB.status;

    Here's what this Pulumi program does:

    • It creates a new Kubernetes namespace where we will install our nginx-ingress controller.
    • Then, it declares a Chart resource for nginx-ingress using Pulumi's Kubernetes Helm integration, which will install the nginx-ingress controller inside our cluster.
    • Similarly, another Chart resource is declared for metallb, and this will install and configure MetalLB in the cluster in the default namespace or any specified namespace.

    Please ensure that you replace <chart-version> with the version number of the nginx or MetalLB chart that you wish to deploy. Also, the IP address pool provided to MetalLB (192.168.1.240/28) is just an example, and you should replace it with a range suitable for your Kubernetes cluster's network.

    To deploy the above Pulumi program:

    • Save the code to a file with a .ts extension (for example, nginx-metallb-setup.ts).
    • Run pulumi stack init if this is a new project where you haven't set up a Pulumi stack yet.
    • Use pulumi up to create or update resources in your Kubernetes cluster as defined by this program.

    Please refer to the official Pulumi documentation for detailed information on working with Pulumi and writing Pulumi programs.


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