Fix nova online volume resize with multipathd

Closes-Bug: 1982777

Change-Id: Ic752b981041b233ab55d5b9abef667b21b47857d

ansible/roles/multipathd/tasks/config.yml

@@ -26,14 +26,19 @@
     - Restart multipathd container
 
 - name: Copying over multipath.conf
-  template:
-    src: "multipath.conf.j2"
-    dest: "{{ node_config_directory }}/{{ item.key }}/multipath.conf"
-    mode: "0660"
+  vars:
+    service: "{{ multipathd_services['multipathd'] }}"
   become: true
+  template:
+    src: "{{ item }}"
+    dest: "{{ node_config_directory }}/multipathd/multipath.conf"
+    mode: "0660"
+  with_first_found:
+    - "{{ node_custom_config }}/multipath/{{ inventory_hostname }}/multipath.conf"
+    - "{{ node_custom_config }}/multipath.conf"
+    - "multipath.conf.j2"
   when:
-    - inventory_hostname in groups[item.value.group]
-    - item.value.enabled | bool
-  with_dict: "{{ multipathd_services }}"
+    - inventory_hostname in groups[service.group]
+    - service.enabled | bool
   notify:
     - Restart multipathd container

ansible/roles/multipathd/templates/multipath.conf.j2

@@ -1,5 +1,5 @@
 defaults {
-   user_friendly_names yes
+   user_friendly_names no
    find_multipaths yes
 }
 

releasenotes/notes/bug-1982777-0cac9753aa18a037.yaml

@@ -0,0 +1,8 @@
+---
+fixes:
+  - |
+    Fixes 1982777.
+    Set multipathd user_friendly_names to "no"
+    to make os-brick able to resize volumes online.
+    Adds ability to override multipathd config.
+    `LP#1982777 <https://launchpad.net/bugs/1982777>`__