fix(nova,neutron): Specify missing region name (#640)

Co-authored-by: Mohammed Naser <mnaser@vexxhost.com>
diff --git a/roles/neutron/vars/main.yml b/roles/neutron/vars/main.yml
index a81fa70..b635d78 100644
--- a/roles/neutron/vars/main.yml
+++ b/roles/neutron/vars/main.yml
@@ -35,6 +35,10 @@
         allowed_origin: "*"
       nova:
         live_migration_events: true
+      placement:
+        region_name: "{{ openstack_helm_endpoints_neutron_region_name }}"
+        username: "neutron-{{ openstack_helm_endpoints_neutron_region_name }}"
+        password: "{{ openstack_helm_endpoints_neutron_keystone_password }}"
       oslo_messaging_notifications:
         driver: noop
       service_providers:
diff --git a/roles/nova/vars/main.yml b/roles/nova/vars/main.yml
index 98d5bb6..26fb282 100644
--- a/roles/nova/vars/main.yml
+++ b/roles/nova/vars/main.yml
@@ -60,6 +60,9 @@
         backend: oslo_cache.memcache_pool
       cinder:
         catalog_info: volumev3::internalURL
+        os_region_name: "{{ openstack_helm_endpoints_nova_region_name }}"
+        username: "nova-{{ openstack_helm_endpoints_nova_region_name }}"
+        password: "{{ openstack_helm_endpoints_nova_keystone_password }}"
       conductor:
         workers: 8
       compute: