Sync libraries again (Reef mapping was missing)

Change-Id: I41b5abba9c29a99c16c67ee0d4a8c10e760c76fa

lib/charms_ceph/broker.py

@@ -907,7 +907,7 @@ def process_requests_v1(reqs):
             log(msg, level=ERROR)
             return {'exit-code': 1, 'stderr': msg}
 
-    if type(ret) == dict and 'exit-code' in ret:
+    if isinstance(ret, dict) and 'exit-code' in ret:
         return ret
 
     return {'exit-code': 0}

lib/charms_ceph/utils.py

@@ -3231,6 +3231,7 @@ UPGRADE_PATHS = collections.OrderedDict([
     ('nautilus', 'octopus'),
     ('octopus', 'pacific'),
     ('pacific', 'quincy'),
+    ('quincy', 'reef'),
 ])
 
 # Map UCA codenames to Ceph codenames
@@ -3254,7 +3255,7 @@ UCA_CODENAME_MAP = {
     'yoga': 'quincy',
     'zed': 'quincy',
     'antelope': 'quincy',
-    'bobcat': 'quincy',
+    'bobcat': 'reef',
 }