fix(iac): Support custom image UUID for openstack to handle deactivated images (#32)

Author: alhendrickson

deployment/terraform/modules/openstack-cogstack-infra/compute.tf

@@ -17,7 +17,7 @@ resource "openstack_compute_instance_v2" "cogstack_ops_compute" {
   }
 
   block_device {
-    uuid                  = data.openstack_images_image_v2.ubuntu.id
+    uuid                  = each.value.image_uuid == null ? data.openstack_images_image_v2.ubuntu.id : each.value.image_uuid
     source_type           = "image"
     volume_size           = each.value.volume_size
     boot_index            = 0

deployment/terraform/modules/openstack-cogstack-infra/outputs.tf

@@ -22,7 +22,7 @@ output "compute_keypair" {
 }
 
 output "created_security_group" {
-  value = openstack_networking_secgroup_v2.cogstack_apps_security_group
+  value       = openstack_networking_secgroup_v2.cogstack_apps_security_group
   description = "Security group associated to the created hosts"
 }
 

deployment/terraform/modules/openstack-cogstack-infra/shared-locals.tf

@@ -1,6 +1,6 @@
 
 locals {
-  random_prefix = random_id.server.b64_url
+  random_prefix         = random_id.server.b64_url
   output_file_directory = var.output_file_directory != null ? var.output_file_directory : "${path.root}/.build"
 }
 

deployment/terraform/modules/openstack-cogstack-infra/variables.tf

@@ -29,12 +29,14 @@ name = Human readable hostname for this host.
 is_controller = Must be true for exactly one host. This will run the portainer "controller". All other nodes run the portainer "agent".
 flavour = The openstack_compute_flavor_v2 for the host
 volume_size = Size in GB for the disk volume for the node
+image_uuid = (Optional) The Openstack image you want to run, to override the default in ubuntu_immage_name
 EOT
   type = list(object({
     name          = string,
     flavour       = optional(string, "2cpu4ram"),
     volume_size   = optional(number, 20),
-    is_controller = optional(bool, false)
+    is_controller = optional(bool, false),
+    image_uuid    = optional(string, null)
   }))
 
   default = [
@@ -70,11 +72,11 @@ EOT
 
 variable "allowed_security_group_rules" {
   type = list(object({
-     port = number
-     cidr = string
-     description = string
+    port        = number
+    cidr        = string
+    description = string
   }))
-  default = [ ]
+  default     = []
   description = <<EOT
 Optionally provide additional security group rules to allow ingress to the created hosts
 
@@ -103,7 +105,7 @@ variable "ssh_key_pair" {
 
 
 variable "output_file_directory" {
-  type = string
-  default = null
+  type        = string
+  default     = null
   description = "Optional path to write output files to. If directory doesnt exist it will be created"
 }

deployment/terraform/modules/openstack-kubernetes-infra/compute.tf

@@ -1,5 +1,3 @@
-
-
 resource "openstack_compute_instance_v2" "kubernetes_server" {
 
   name      = "${local.random_prefix}-${local.controller_host.name}"
@@ -17,7 +15,7 @@ resource "openstack_compute_instance_v2" "kubernetes_server" {
   }
 
   block_device {
-    uuid                  = data.openstack_images_image_v2.ubuntu.id
+    uuid                  = local.controller_host.image_uuid == null ? data.openstack_images_image_v2.ubuntu.id : local.controller_host.image_uuid
     source_type           = "image"
     volume_size           = local.controller_host.volume_size
     boot_index            = 0
@@ -56,7 +54,7 @@ resource "openstack_compute_instance_v2" "kubernetes_nodes" {
   }
 
   block_device {
-    uuid                  = data.openstack_images_image_v2.ubuntu.id
+    uuid                  = each.value.image_uuid == null ? data.openstack_images_image_v2.ubuntu.id : each.value.image_uuid 
     source_type           = "image"
     volume_size           = each.value.volume_size
     boot_index            = 0

deployment/terraform/modules/openstack-kubernetes-infra/kubeconfig-extraction.tf

@@ -18,10 +18,10 @@ EOT
 }
 
 data "local_file" "kubeconfig_file" {
-  filename = local.kubeconfig_file
-  depends_on = [ null_resource.copy_kubeconfig ]
+  filename   = local.kubeconfig_file
+  depends_on = [null_resource.copy_kubeconfig]
 }
 output "kubeconfig_raw" {
-  value = data.local_file.kubeconfig_file.content
+  value       = data.local_file.kubeconfig_file.content
   description = "Kubeconfig for this cluster"
 }

deployment/terraform/modules/openstack-kubernetes-infra/variables.tf

@@ -16,12 +16,14 @@ name = Human readable hostname for this host.
 is_controller = Must be true for exactly one host. This will run the k3s "server". All other nodes run the k3s "agent".
 flavour = The openstack_compute_flavor_v2 for the host
 volume_size = Size in GB for the disk volume for the node
+image_uuid = (Optional) The Openstack image you want to run, to override the default in ubuntu_immage_name
 EOT
   type = list(object({
     name          = string,
     flavour       = optional(string, "2cpu4ram"),
     volume_size   = optional(number, 20),
-    is_controller = optional(bool, false)
+    is_controller = optional(bool, false),
+    image_uuid    = optional(string, null)
   }))
 
   default = [