Initial commit

Author: InputObject2

README.md

@@ -1,2 +1,46 @@
 # terraform-xo-microk8s
-This repository contains a Terraform module designed to deploy virtual machines that form a MicroK8s cluster using Xen-Orchestra
+This repository contains a Terraform module designed to deploy virtual machines that form a MicroK8s cluster using Xen-Orchestra. It creates a 3-node cluster by default but more nodes can be added dynamically.
+
+# Example usage
+
+```bash
+module "microk8s_cluster" {
+  source = "../"
+
+  # Node settings
+  node_count               = 0
+  node_prefix              = "us20-k8s"
+  node_cpu_count           = 2
+  node_memory_gb           = 4
+  node_os_disk_size        = 10
+  node_os_disk_xoa_sr_uuid = ["f5476a1f-03ad-f4fb-ed42-82397ff9a211"]
+  node_xoa_template_uuid   = "5cd9d957-fc99-cb17-7550-777204797183"
+
+  # Master settings
+  master_count               = 3
+  master_prefix              = "us20-k8s"
+  master_cpu_count           = 8
+  master_memory_gb           = 8
+  master_os_disk_size        = 10
+  master_os_disk_xoa_sr_uuid = ["cf62bbaf-8107-19cb-9b8c-62cbf28d2f52"]
+  master_xoa_template_uuid   = "499cad8b-dff9-cfa9-cc18-719184d85747"
+
+  # Xen Orchestra settings can be set via environment variables
+  #xoa_username => XOA_USERNAME
+  #xoa_password => XOA_PASSWORD
+  #xoa_ignore_ssl => XOA_IGNORE_SSL
+  #xoa_api_url => XOA_API_URL
+
+  xoa_pool_name         = "my-xcp-ng-pool"
+  xoa_network_name      = "[95] Kubernetes"
+  start_delay           = 0
+
+  # Other settings
+  public_ssh_key   = "ssh-rsa AAAAB3N..."
+
+  dns_zone         = "example.com."
+  dns_sub_zone     = "k8s"
+  cluster_dns_zone = "k8s.example.com."
+  cluster_name     = "cluster"
+}
+```

local_mac_addressses.tf

@@ -0,0 +1,21 @@
+# This file contains the Xen orchestra configuration for VM's.
+# docs : https://github.com/terra-farm/terraform-provider-xenorchestra/blob/master/docs/resources/vm.md
+terraform {
+  required_providers {
+    xenorchestra = {
+      source  = "terra-farm/xenorchestra"
+    }
+    macaddress = {
+      source = "ivoronin/macaddress"
+      #version = "0.3.0"
+    }
+    gitlab = {
+      source = "gitlabhq/gitlab"
+      #version = "16.4.1"
+    }
+    sshcommand = {
+      source = "invidian/sshcommand"
+      #version = "0.2.2"
+    }
+  }
+}

providers.tf

@@ -0,0 +1,218 @@
+# Node Settings
+variable "node_count" {
+  description = "Number of worker nodes to deploy"
+  type        = number
+  default     = 0
+}
+
+variable "node_prefix" {
+  description = "Prefix for worker node names"
+  type        = string
+  default     = "us20-k8s"
+}
+
+variable "node_cpu_count" {
+  description = "Number of CPUs for each worker node"
+  type        = number
+  default     = 4
+}
+
+variable "node_memory_gb" {
+  description = "Memory in GB for each worker node"
+  type        = number
+  default     = 8
+}
+
+variable "node_os_disk_size" {
+  description = "OS disk size in GB for each worker node"
+  type        = number
+  default     = 32
+}
+
+variable "node_os_disk_xoa_sr_uuid" {
+  description = "Storage repository UUID for worker node OS disks"
+  type        = list(string)
+}
+
+variable "node_xoa_template_uuid" {
+  description = "Template UUID for worker nodes in Xen Orchestra"
+  type        = string
+}
+
+variable "node_xoa_network_name" {
+  description = "Network name for worker nodes in Xen Orchestra (overrides `xoa_network_name`)"
+  type        = string
+  default     = null
+}
+
+variable "node_tags" {
+  description = "Tags to apply to worker nodes"
+  type        = list(string)
+  default     = [
+    "xcp-ng.org/arch:amd64",
+    "xcp-ng.org/os:ubuntu"
+  ]
+}
+
+# Master Settings
+variable "master_count" {
+  description = "Number of master nodes to deploy"
+  type        = number
+  default     = 3
+}
+
+variable "master_prefix" {
+  description = "Prefix for master node names"
+  type        = string
+  default     = "us20-k8s"
+}
+
+variable "master_cpu_count" {
+  description = "Number of CPUs for each master node"
+  type        = number
+  default     = 2
+}
+
+variable "master_memory_gb" {
+  description = "Memory in GB for each master node"
+  type        = number
+  default     = 4
+}
+
+variable "master_os_disk_size" {
+  description = "OS disk size in GB for each master node"
+  type        = number
+  default     = 32
+}
+
+variable "master_os_disk_xoa_sr_uuid" {
+  description = "Storage repository UUID for master node OS disks"
+  type        = list(string)
+}
+
+variable "master_xoa_template_uuid" {
+  description = "Template UUID for master nodes in Xen Orchestra"
+  type        = string
+}
+
+variable "master_xoa_network_name" {
+  description = "Network name for master nodes in Xen Orchestra (overrides `xoa_network_name`)"
+  type        = string
+  default     = null
+}
+
+variable "master_tags" {
+  description = "Tags to apply to master nodes"
+  type        = list(string)
+  default     = [
+    "xcp-ng.org/arch:amd64",
+    "xcp-ng.org/os:ubuntu"
+  ]
+}
+
+# Xen Orchestra Settings
+variable "xoa_api_url" {
+  description = "URL for Xen Orchestra API (can be set via XOA_API_URL environment variable)"
+  type        = string
+}
+
+variable "xoa_pool_name" {
+  description = "Default name of the XCP-ng pool as seen in Xen Orchestra"
+  type        = string
+  default     = null
+}
+
+variable "xoa_network_name" {
+  description = "Default network for virtual machines as seen in Xen Orchestra"
+  type        = string
+  default     = null
+}
+
+variable "master_xoa_pool_name" {
+  description = "Name of the Xen Orchestra pool for master nodes (overrides `xoa_pool_name` for masters)"
+  type        = string
+  default     = null
+}
+
+variable "node_xoa_pool_name" {
+  description = "Name of the Xen Orchestra pool for worker nodes (overrides `xoa_pool_name` for nodes)"
+  type        = string
+  default     = null
+}
+
+variable "xoa_username" {
+  description = "Username for Xen Orchestra API (can be set via XOA_USERNAME environment variable)"
+  type        = string
+  default     = null
+}
+
+variable "xoa_password" {
+  description = "Password for Xen Orchestra API (can be set via XOA_PASSWORD environment variable)"
+  type        = string
+  default     = null
+}
+
+variable "xoa_ignore_ssl" {
+  description = "Ignore SSL verification for Xen Orchestra API (can be set via XOA_IGNORE_SSL environment variable)"
+  type        = bool
+  default     = null
+}
+
+variable "start_delay" {
+  description = "The amount of time the cluster virtual machines will wait on XCP-NG host startup"
+  type        = number
+  default     = 0
+}
+
+# Other Settings
+variable "cluster_dns_zone" {
+  description = "DNS zone for the cluster"
+  type        = string
+}
+
+variable "public_ssh_key" {
+  description = "Public SSH key for accessing the nodes"
+  type        = string
+}
+
+variable "private_ssh_key_path" {
+  description = "Private SSH key path for accessing the nodes"
+  type        = string
+  default     = "/root/.ssh/id_rsa"
+}
+
+variable "dns_zone" {
+  description = "DNS zone"
+  type        = string
+}
+
+variable "dns_sub_zone" {
+  description = "DNS sub-zone"
+  type        = string
+}
+
+variable "cluster_name" {
+    description = "Name used in the virtual machine names, not an actual Kubernetes settings"
+    type        = string
+    default     = "my-cluster"
+}
+
+variable "microk8s_version" {
+  description = "The snap channel version to install, for example `1.29/stable`. Defaults to latest if not specified"
+  type        = string
+  default     = null
+}
+
+variable "cloud_network_config_template" {
+  description = "Template for cloud network config"
+  type        = string
+  default = <<EOF
+network:
+  version: 1
+  config:
+  - type: physical
+    name: eth0
+    subnets:
+    - type: dhcp
+EOF
+}

variables.tf

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+provider "xenorchestra" {
+  # Configuration options
+  # Must be ws or wss
+  url = var.xoa_api_url # Or set XOA_URL environment variable
+  #username = var.xoa_username              # Or set XOA_USER environment variable
+  #password = var.xoa_password              # Or set XOA_PASSWORD environment variable
+  insecure = var.xoa_ignore_ssl # Or set XOA_INSECURE environment variable to any value
+}
+
+
+# docs : https://github.com/terra-farm/terraform-provider-xenorchestra/blob/master/docs/resources/vm.md
+
+locals {
+  master_pool_name = var.master_xoa_pool_name == null ? var.xoa_pool_name : var.master_xoa_pool_name
+  node_pool_name = var.node_xoa_pool_name == null ? var.xoa_pool_name : var.node_xoa_pool_name
+  master_network = var.master_xoa_network_name == null ? var.xoa_network_name : var.master_xoa_network_name
+  node_network = var.node_xoa_network_name == null ? var.xoa_network_name : var.node_xoa_network_name
+}
+
+data "xenorchestra_pool" "xcp_ng_master" {
+  name_label =  local.master_pool_name
+}
+
+data "xenorchestra_pool" "xcp_ng_node" {
+  name_label =  local.node_pool_name
+}
+
+data "xenorchestra_network" "master" {
+  pool_id = data.xenorchestra_pool.xcp_ng_master.id
+  name_label = local.master_network
+}
+
+data "xenorchestra_network" "node" {
+  pool_id = data.xenorchestra_pool.xcp_ng_node.id
+  name_label = local.node_network
+}