Add option for boot volume type for k8s node (#8256)

contrib/terraform/openstack/README.md

@@ -275,6 +275,7 @@ For your cluster, edit `inventory/$CLUSTER/cluster.tfvars`.
 |`node_root_volume_size_in_gb` | Size of the root volume for nodes, 0 to use ephemeral storage |
 |`master_root_volume_size_in_gb` | Size of the root volume for masters, 0 to use ephemeral storage |
 |`master_volume_type` | Volume type of the root volume for control_plane, 'Default' by default |
+|`node_volume_type` | Volume type of the root volume for nodes, 'Default' by default |
 |`gfs_root_volume_size_in_gb` | Size of the root volume for gluster, 0 to use ephemeral storage |
 |`etcd_root_volume_size_in_gb` | Size of the root volume for etcd nodes, 0 to use ephemeral storage |
 |`bastion_root_volume_size_in_gb` | Size of the root volume for bastions, 0 to use ephemeral storage |

contrib/terraform/openstack/kubespray.tf

@@ -51,6 +51,7 @@ module "compute" {
   gfs_root_volume_size_in_gb                   = var.gfs_root_volume_size_in_gb
   gfs_volume_size_in_gb                        = var.gfs_volume_size_in_gb
   master_volume_type                           = var.master_volume_type
+  node_volume_type                             = var.node_volume_type
   public_key_path                              = var.public_key_path
   image                                        = var.image
   image_uuid                                   = var.image_uuid

contrib/terraform/openstack/modules/compute/main.tf

@@ -441,6 +441,7 @@ resource "openstack_compute_instance_v2" "k8s_node" {
       uuid                  = local.image_to_use_node
       source_type           = "image"
       volume_size           = var.node_root_volume_size_in_gb
+      volume_type           = var.node_volume_type
       boot_index            = 0
       destination_type      = "volume"
       delete_on_termination = true
@@ -486,6 +487,7 @@ resource "openstack_compute_instance_v2" "k8s_node_no_floating_ip" {
       uuid                  = local.image_to_use_node
       source_type           = "image"
       volume_size           = var.node_root_volume_size_in_gb
+      volume_type           = var.node_volume_type
       boot_index            = 0
       destination_type      = "volume"
       delete_on_termination = true
@@ -527,6 +529,7 @@ resource "openstack_compute_instance_v2" "k8s_nodes" {
       uuid                  = local.image_to_use_node
       source_type           = "image"
       volume_size           = var.node_root_volume_size_in_gb
+      volume_type           = var.node_volume_type
       boot_index            = 0
       destination_type      = "volume"
       delete_on_termination = true

contrib/terraform/openstack/modules/compute/variables.tf

@@ -40,6 +40,8 @@ variable "gfs_volume_size_in_gb" {}
 
 variable "master_volume_type" {}
 
+variable "node_volume_type" {}
+
 variable "public_key_path" {}
 
 variable "image" {}

contrib/terraform/openstack/variables.tf

@@ -78,6 +78,10 @@ variable "master_volume_type" {
   default = "Default"
 }
 
+variable "node_volume_type" {
+  default = "Default"
+}
+
 variable "public_key_path" {
   description = "The path of the ssh pub key"
   default     = "~/.ssh/id_rsa.pub"