Fix deprovisioning multiple overcloud hosts

Previously, the user prompt ran on one host, but the assertion ran on
all hosts. This meant the check could only pass on one host, all others
would fail every time.

This change ensures the check and assertion always run once on
localhost.

Closes-Bug: #2115037
Change-Id: If2a26b42e6fe0152922e10df924c0797259e2e53
(cherry picked from commit 9a7aaff)

Author: Alex-Welsh

ansible/overcloud-deprovision.yml

@@ -43,6 +43,8 @@
           {{ play_hosts | join(', ') }}
           If you want to proceed type: yes
       register: pause_prompt
+      delegate_to: localhost
+      run_once: true
       when: not confirm_deprovision
 
     - name: Fail if deprovision is not confirmed
@@ -51,6 +53,8 @@
         msg: >
           Deprovision has not been confirmed. You must either type 'yes' when
           prompted, or set ``confirm_deprovision=yes``.
+      delegate_to: localhost
+      run_once: true
 
     - name: Get PXE MAC address
       command: >

releasenotes/notes/bug-2115037-f2ed2a4994511832.yaml

@@ -0,0 +1,7 @@
+---
+fixes:
+  - |
+    Fixes the user prompt for deprovisioning multiple overcloud hosts at once.
+    Previously, the prompt would only confirm deprovisioning for one host. It
+    will now correctly apply to all hosts that have been targeted.
+    `LP#2115037 <https://bugs.launchpad.net/kayobe/+bug/2115037>`__