commit d6c361ca0e5e5f1a6d8319117410e22500fffd54
Author: Alexander Svan <alex@central.nu>
Date:   Sun Feb 25 10:19:47 2024 +0100

    init

diff --git a/.gitignore b/.gitignore
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+++ b/.gitignore
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+# Terraform
+.terraform/
+terraform.*
+.terraform.*
+
+# Nix
+flake.lock
diff --git a/README.md b/README.md
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+
+# Kube Playground
+
+## Getting started
+
+Start a developer console in NixOS with all need dependencies
+
+```bash
+nix develop
+```
+
+Run Terraform to deploy needed VMs
+
+First init
+
+```bash
+terraform init
+```
+
+Then apply
+
+
+```bash
+terraform apply
+```
+
+## Misc
+
+Good extension for Openlens
+
+for the extension: go to File-->Extensions--> use `@alebcay/openlens-node-pod-menu` for url, hit install
diff --git a/flake.nix b/flake.nix
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+++ b/flake.nix
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+{
+  description = "A flake for Terraform development";
+
+  inputs.nixpkgs.url = "nixpkgs/nixos-unstable";
+
+  outputs = { self, nixpkgs }: {
+    devShells.x86_64-linux.default =
+      let
+        system = "x86_64-linux";
+        pkgs = import nixpkgs {
+          inherit system;
+          config.allowUnfree = true;
+        };
+      in
+      pkgs.mkShell {
+        buildInputs = with pkgs; [
+          terraform
+          cdrtools
+          kubectl
+          openlens
+        ];
+      };
+  };
+}
diff --git a/main.tf b/main.tf
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+terraform {
+  required_providers {
+    libvirt = {
+      source  = "dmacvicar/libvirt"
+      version = "0.7.6"
+    }
+  }
+}
+
+provider "libvirt" {
+  uri = "qemu:///system"
+}
+
+variable "vms" {
+  description = "Map of VMs to create"
+  type = map(object({
+    name   = string
+    memory = string
+    vcpu   = number
+  }))
+  default = {
+    "vm1" = {
+      name   = "kube-master"
+      memory = "2048"
+      vcpu   = 1
+    },
+    "vm2" = {
+      name   = "kube-worker-01"
+      memory = "2048"
+      vcpu   = 2
+    }
+  }
+}
+
+resource "libvirt_volume" "base-kube-qcow2" {
+  name   = "base-kube"
+  source = "/home/alex/ISOs/ubuntu-22.04-server-cloudimg-amd64.img"
+  format = "qcow2"
+}
+
+resource "libvirt_volume" "kube-qcow2" {
+  for_each       = var.vms
+  name           = each.value.name
+  base_volume_id = libvirt_volume.base-kube-qcow2.id
+  size           = 25 * 1024 * 1024 * 1024
+  format         = "qcow2"
+}
+
+resource "libvirt_domain" "kube-vm" {
+  for_each = var.vms
+  name     = each.value.name
+  memory   = each.value.memory
+  vcpu     = each.value.vcpu
+
+  network_interface {
+    network_name = "default"
+  }
+
+  disk {
+    volume_id = libvirt_volume.kube-qcow2[each.key].id
+  }
+
+  cloudinit = libvirt_cloudinit_disk.commoninit.id
+}
+
+resource "libvirt_cloudinit_disk" "commoninit" {
+  name           = "commoninit.iso"
+  user_data      = <<-EOF
+                    #cloud-config
+                    password: passw0rd
+                    chpasswd: { expire: False }
+                    ssh_pwauth: True
+                    runcmd:
+                      - swapoff -a
+                      - sed -i '/ swap / s/^/#/' /etc/fstab
+                      - apt-get update && apt-get install -y apt-transport-https curl
+                      - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
+                      - add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+                      - apt-get update && apt-get install -y docker-ce docker-ce-cli containerd.io
+                      - curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
+                      - echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | tee -a /etc/apt/sources.list.d/kubernetes.list
+                      - apt-get update
+                      - apt-get install -y kubelet kubeadm
+                    EOF
+  network_config = <<-EOF
+                    version: 2
+                    ethernets:
+                      ens3:
+                          dhcp4: true
+                    EOF
+}
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