Fix overcloud deprovision hosts list in prompt

Hosts that weren't part of the overcloud group would be included in the
list when this is run without a limit.

Closes-Bug: #2091621
Change-Id: Id3d68b55e18dfe9c44805b6e2602e00eadecc76a
(cherry picked from commit f27755aeb2)

ansible/overcloud-deprovision.yml

@@ -37,7 +37,7 @@
     - name: confirm_deprovision
       prompt: |
         The following hosts will be deprovisioned:
-        {{ play_hosts | join(', ') }}
+        {{ play_hosts | intersect(groups['overcloud'] | default([])) | join(', ') }}
         If you want to proceed type: yes
       default: "no"
       private: false

releasenotes/notes/fix-overcloud-deprovision-prompt-host-lists-cfb701162c114c60.yaml

@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Fixes a bug where non-overcloud hosts would show up in the confirmation
+    prompt for `kayobe overcloud deprovision`
+    `LP#2091703 <https://bugs.launchpad.net/kayobe/+bug/2091621>`__