➕️ Add support to deploy kubeadm clusters on Proxmox

.gitignore

@@ -9,6 +9,7 @@ prepare-labs/terraform/many-kubernetes/one-kubernetes-config/config.tf
 prepare-labs/terraform/many-kubernetes/one-kubernetes-module/*.tf
 prepare-labs/terraform/tags
 prepare-labs/terraform/virtual-machines/openstack/*.tfvars
+prepare-labs/terraform/virtual-machines/proxmox/*.tfvars
 prepare-labs/www
 
 slides/*.yml.html

prepare-labs/terraform/providers/proxmox/config.tf

@@ -0,0 +1,25 @@
+variable "proxmox_endpoint" {
+  type    = string
+  default = "https://localhost:8006/"
+}
+
+variable "proxmox_username" {
+  type    = string
+  default = null
+}
+
+variable "proxmox_password" {
+  type    = string
+  default = null
+}
+
+variable "proxmox_template_node_name" {
+  type    = string
+  default = null
+}
+
+variable "proxmox_template_vm_id" {
+  type    = number
+  default = null
+}
+

prepare-labs/terraform/providers/proxmox/variables.tf

@@ -0,0 +1,11 @@
+# Since node size needs to be a string...
+# To indicate number of CPUs + RAM, just pass it as a string with a space between them.
+# RAM is in megabytes.
+variable "node_sizes" {
+  type = map(any)
+  default = {
+    S = "1 2048"
+    M = "2 4096"
+    L = "3 8192"
+  }
+}

prepare-labs/terraform/virtual-machines/common.tf

@@ -56,6 +56,7 @@ locals {
       cluster_name = format("%s-%03d", var.tag, cn[0])
       node_name    = format("%s-%03d-%03d", var.tag, cn[0], cn[1])
       node_size    = lookup(var.node_sizes, var.node_size, var.node_size)
+      node_index   = cn[0] * var.nodes_per_cluster + cn[1]
     }
   }
 }

prepare-labs/terraform/virtual-machines/proxmox/common.tf

@@ -0,0 +1 @@
+../common.tf

prepare-labs/terraform/virtual-machines/proxmox/config.tf

@@ -0,0 +1 @@
+../../providers/proxmox/config.tf

prepare-labs/terraform/virtual-machines/proxmox/main.tf

@@ -0,0 +1,77 @@
+data "proxmox_virtual_environment_nodes" "_" {}
+
+locals {
+  pve_nodes = data.proxmox_virtual_environment_nodes._.names
+}
+
+resource "proxmox_virtual_environment_vm" "_" {
+  node_name       = local.pve_nodes[each.value.node_index % length(local.pve_nodes)]
+  for_each        = local.nodes
+  name            = each.value.node_name
+  stop_on_destroy = true
+  cpu {
+    cores = split(" ", each.value.node_size)[0]
+    type  = "x86-64-v2-AES" # recommended for modern CPUs
+  }
+  memory {
+    dedicated = split(" ", each.value.node_size)[1]
+  }
+  #disk {
+  #  datastore_id = "ceph"
+  #  file_id = proxmox_virtual_environment_file._.id
+  #  interface = "scsi0"
+  #  size = 30
+  #  discard = "on"
+  #}
+  clone {
+    vm_id     = var.proxmox_template_vm_id
+    node_name = var.proxmox_template_node_name
+  }
+  agent {
+    enabled = true
+  }
+  initialization {
+    datastore_id = "ceph"
+    user_account {
+      username = "ubuntu"
+      keys     = [trimspace(tls_private_key.ssh.public_key_openssh)]
+    }
+    ip_config {
+      ipv4 {
+        address = "dhcp"
+        #gateway =
+      }
+    }
+  }
+  network_device {
+    bridge = "vmbr0"
+  }
+  operating_system {
+    type = "l26"
+  }
+}
+
+#resource "proxmox_virtual_environment_download_file" "ubuntu_2404_20250115" {
+#  content_type = "iso"
+#  datastore_id = "cephfs"
+#  node_name    = "pve-lsd-1"
+#  url          = "https://cloud-images.ubuntu.com/releases/24.04/release-20250115/ubuntu-24.04-server-cloudimg-amd64.img"
+#  file_name    = "ubuntu_2404_20250115.img"
+#}
+#
+#resource "proxmox_virtual_environment_file" "_" {
+#  datastore_id = "cephfs"
+#  node_name = "pve-lsd-1"
+#  source_file {
+#    path = "/root/noble-server-cloudimg-amd64.img"
+#  }
+#}
+
+locals {
+  ip_addresses = {
+    for key, value in local.nodes :
+    key => [for addr in flatten(concat(proxmox_virtual_environment_vm._[key].ipv4_addresses, ["ERROR"])) :
+    addr if addr != "127.0.0.1"][0]
+  }
+}
+

prepare-labs/terraform/virtual-machines/proxmox/provider.tf

@@ -0,0 +1,15 @@
+terraform {
+  required_providers {
+    proxmox = {
+      source  = "bpg/proxmox"
+      version = "~> 0.70.1"
+    }
+  }
+}
+
+provider "proxmox" {
+  endpoint = var.proxmox_endpoint
+  username = var.proxmox_username
+  password = var.proxmox_password
+  insecure = true
+}

prepare-labs/terraform/virtual-machines/proxmox/tfvars.example

@@ -0,0 +1,14 @@
+# If you want to deploy to Proxmox, you need to:
+# 1) copy that file to e.g. myproxmoxcluster.tfvars
+# 2) make sure you have a VM template with QEMU agent pre-installed
+# 3) customize the copy (you need to replace all the CHANGEME values)
+# 4) deploy with "labctl create --provider proxmox/myproxmoxcluster  ..."
+
+proxmox_endpoint = "https://localhost:8006/"
+proxmox_username = "terraform@pve"
+proxmox_password = "CHANGEME"
+
+proxmox_template_node_name = "CHANGEME"
+proxmox_template_vm_id = CHANGEME
+
+

prepare-labs/terraform/virtual-machines/proxmox/variables.tf

@@ -0,0 +1 @@
+../../providers/proxmox/variables.tf