How do I deploy Kubernetes on Nutanix?

In this guide, we will deploy a Kubernetes cluster on Nutanix using Pulumi. We will define the necessary resources such as the Karbon cluster, node pools, and other configurations to set up a fully functional Kubernetes environment.

import * as pulumi from "@pulumi/pulumi";
import * as nutanix from "@pierskarsenbarg/nutanix";

// Define the Kubernetes cluster
const k8sCluster = new nutanix.KarbonCluster("k8sCluster", {
    name: "my-k8s-cluster",
    version: "1.21.5",
    cniConfig: {
        podIpv4Cidr: "172.16.0.0/16",
        serviceIpv4Cidr: "10.96.0.0/12",
        nodeCidrMaskSize: 24,
    },
    etcdNodePool: {
        name: "etcd-pool",
        numInstances: 3,
        nodeOsVersion: "centos7",
        ahvConfig: {
            cpu: 4,
            diskMib: 20480,
            memoryMib: 16384,
            networkUuid: "network-uuid",
            prismElementClusterUuid: "cluster-uuid",
        },
    },
    masterNodePool: {
        name: "master-pool",
        numInstances: 3,
        nodeOsVersion: "centos7",
        ahvConfig: {
            cpu: 4,
            diskMib: 20480,
            memoryMib: 16384,
            networkUuid: "network-uuid",
            prismElementClusterUuid: "cluster-uuid",
        },
    },
    workerNodePool: {
        name: "worker-pool",
        numInstances: 3,
        nodeOsVersion: "centos7",
        ahvConfig: {
            cpu: 4,
            diskMib: 20480,
            memoryMib: 16384,
            networkUuid: "network-uuid",
            prismElementClusterUuid: "cluster-uuid",
        },
    },
    externalLbConfig: {
        masterNodesConfigs: [
            { ipv4Address: "192.168.1.10", nodePoolName: "master-pool" },
            { ipv4Address: "192.168.1.11", nodePoolName: "master-pool" },
            { ipv4Address: "192.168.1.12", nodePoolName: "master-pool" },
        ],
        externalIpv4Address: "192.168.1.100",
    },
    storageClassConfig: {
        name: "default",
        reclaimPolicy: "Delete",
        volumesConfig: {
            username: "admin",
            password: pulumi.secret("password"),
            storageContainer: "default-container",
            prismElementClusterUuid: "cluster-uuid",
        },
    },
});

export const clusterName = k8sCluster.name;
export const clusterVersion = k8sCluster.version;

Key Points

Defined a KarbonCluster resource to deploy a Kubernetes cluster on Nutanix.
Configured etcd, master, and worker node pools with necessary specifications.
Set up an external load balancer configuration for the master nodes.
Configured storage class for the cluster.

Summary

In this guide, we deployed a Kubernetes cluster on Nutanix using Pulumi. We defined the cluster configuration, node pools, load balancer, and storage class to create a fully functional Kubernetes environment.

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