allow setting volume type for extra_volumes (#755)

Author: sjpb

environments/site/tofu/node_group/nodes.tf

@@ -36,6 +36,7 @@ resource "openstack_blockstorage_volume_v3" "compute" {
     name = "${var.cluster_name}-${each.key}"
     description = "Compute node ${each.value.node} volume ${each.value.volume}"
     size = var.extra_volumes[each.value.volume].size
+    volume_type = var.extra_volumes[each.value.volume].volume_type
 }
 
 resource "openstack_compute_volume_attach_v2" "compute" {

environments/site/tofu/node_group/variables.tf

@@ -60,11 +60,13 @@ variable "extra_volumes" {
         Keys are unique volume name.
         Values are a mapping with:
             size: Size of volume in GB
+            volume_type: Optional. Type of volume, or cloud default
         **NB**: The order in /dev is not guaranteed to match the mapping
         EOF
     type = map(
         object({
             size = number
+            volume_type = optional(string)
         })
     )
     default = {}

environments/site/tofu/variables.tf

@@ -65,10 +65,11 @@ variable "login" {
             volume_backed_instances: Overrides variable volume_backed_instances
             root_volume_size: Overrides variable root_volume_size
             extra_volumes: Mapping defining additional volumes to create and attach
-                            Keys are unique volume name.
-                            Values are a mapping with:
+                           Keys are unique volume name.
+                           Values are a mapping with:
                                 size: Size of volume in GB
-                            **NB**: The order in /dev is not guaranteed to match the mapping
+                                volume_type: Optional. Type of volume, or cloud default
+                           **NB**: The order in /dev is not guaranteed to match the mapping
             fip_addresses: List of addresses of floating IPs to associate with
                            nodes, in the same order as nodes parameter. The
                            floating IPs must already be allocated to the project.
@@ -117,6 +118,7 @@ variable "compute" {
                            Keys are unique volume name.
                            Values are a mapping with:
                                 size: Size of volume in GB
+                                volume_type: Optional. Type of volume, or cloud default
                            **NB**: The order in /dev is not guaranteed to match the mapping
             ip_addresses: Mapping of list of fixed IP addresses for nodes, keyed
                           by network name, in same order as nodes parameter.