From: Guillaume Abrioux <gabrioux@redhat.com>
Date: Thu, 11 Apr 2019 07:16:28 +0000 (+0200)
Subject: update: fix undefined error when no mgr group is declared
X-Git-Tag: v4.0.0rc4~47
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=2581c4d5110b2255c82a3e444d0962a74b545b02;p=ceph-ansible.git

update: fix undefined error when no mgr group is declared

if mgr group isn't defined in inventory, that task will fail with
undefined error.

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>
(cherry picked from commit c1e4529b0e44329f561fc46ec96bd081cdd6d38c)
---

diff --git a/infrastructure-playbooks/rolling_update.yml b/infrastructure-playbooks/rolling_update.yml
index 0ec4ccf20..5b6449e3b 100644
--- a/infrastructure-playbooks/rolling_update.yml
+++ b/infrastructure-playbooks/rolling_update.yml
@@ -172,8 +172,8 @@
         name: ceph-mgr@{{ ansible_hostname }}
         masked: yes
       when:
-        - inventory_hostname in groups[mgr_group_name]
-          or groups[mgr_group_name] | length == 0
+        - inventory_hostname in groups[mgr_group_name] | default([])
+          or groups[mgr_group_name] | default([]) | length == 0
 
     - import_role:
         name: ceph-handler