pybind/mgr/rest: fix "sync_object" API endpoint

Signed-off-by: John Spray <john.spray@redhat.com>

src/pybind/mgr/rest/app/types.py

@@ -235,7 +235,7 @@ def __str__(self):
 
 
 # The objects that ClusterMonitor keeps copies of from the mon
-SYNC_OBJECT_TYPES = [FsMap, OsdMap, MonMap, PgSummary, Health, Config]
+SYNC_OBJECT_TYPES = [FsMap, OsdMap, MonMap, MonStatus, PgSummary, Health, Config]
 SYNC_OBJECT_STR_TYPE = dict((t.str, t) for t in SYNC_OBJECT_TYPES)
 
 USER_REQUEST_COMPLETE = 'complete'

src/pybind/mgr/rest/app/views/v2.py

@@ -21,7 +21,7 @@
 from rest.app.types import CRUSH_RULE, POOL, OSD, USER_REQUEST_COMPLETE, \
     USER_REQUEST_SUBMITTED, OSD_IMPLEMENTED_COMMANDS, MON, OSD_MAP, \
     SYNC_OBJECT_TYPES, ServiceId, severity_from_str, SEVERITIES, \
-    OsdMap, Config, MonMap, MonStatus
+    OsdMap, Config, MonMap, MonStatus, SYNC_OBJECT_STR_TYPE
 
 
 from rest.logger import logger
@@ -472,7 +472,11 @@ class SyncObject(RPCViewSet):
     """
 
     def retrieve(self, request, sync_type):
-        return Response(self.client.get_sync_object(sync_type))
+        try:
+            sync_type_cls = SYNC_OBJECT_STR_TYPE[sync_type]
+        except KeyError:
+            return Response("Unknown type '{0}'".format(sync_type), status=404)
+        return Response(self.client.get_sync_object(sync_type_cls).data)
 
     def describe(self, request):
         return Response([s.str for s in SYNC_OBJECT_TYPES])