support rabbitmq 3.8.x in version check (#66855) (#68137)

* support rabbitmq 3.8.x in version check (#66855)

* support rabbitmq 3.8.x in version check

* Removed extraneous white space

(cherry picked from commit 6b017db05b)

* Add changelog fragment.

Co-authored-by: bitchkat <kjh@flyballdogs.com>
Co-authored-by: Matt Clay <matt@mystile.com>

changelogs/fragments/rabbitmq-3.8.yml

@@ -0,0 +1,2 @@
+bugfixes:
+- rabbitmq_policy - Fix version parsing for RabbitMQ 3.8.

lib/ansible/modules/messaging/rabbitmq/rabbitmq_policy.py

@@ -125,10 +125,16 @@ class RabbitMqPolicy(object):
     def _rabbit_version(self):
         status = self._exec(['status'], True, False, False)
 
+        # 3.7.x erlang style output
         version_match = re.search('{rabbit,".*","(?P<version>.*)"}', status)
         if version_match:
             return Version(version_match.group('version'))
 
+        # 3.8.x style ouput
+        version_match = re.search('RabbitMQ version: (?P<version>.*)', status)
+        if version_match:
+            return Version(version_match.group('version'))
+
         return None
 
     def _list_policies(self):