Switch Zaqar to use Redis

Zaqar was using mongodb by default but we haven't supported mongodb
since pike.  This change switches Zaqar to use redis by default.

Change-Id: If6ed9fddf4a4fcff3bb9105b04df777ec8a8990e
Closes-Bug: #1761239

docker/services/zaqar.yaml

@@ -13,7 +13,7 @@ parameters:
   ZaqarManagementStore:
     type: string
     description: The management store for Zaqar
-    default: mongodb
+    default: redis
   EndpointMap:
     default: {}
     description: Mapping of service endpoint -> protocol. Typically set

environments/services-docker/zaqar.yaml

@@ -1,3 +1,3 @@
 resource_registry:
   OS::TripleO::Services::Zaqar: ../../docker/services/zaqar.yaml
-  OS::TripleO::Services::MongoDb: ../../docker/services/database/mongodb.yaml
+  OS::TripleO::Services::Redis : ../../docker/services/database/redis.yaml

environments/services/zaqar.yaml

@@ -1,3 +1,3 @@
 resource_registry:
   OS::TripleO::Services::Zaqar: ../../docker/services/zaqar.yaml
-  OS::TripleO::Services::MongoDb: ../../docker/services/database/mongodb.yaml
+  OS::TripleO::Services::Redis : ../../docker/services/database/redis.yaml

puppet/services/zaqar-api.yaml

@@ -61,11 +61,11 @@ parameters:
   ZaqarMessageStore:
     type: string
     description: The messaging store for Zaqar
-    default: mongodb
+    default: redis
   ZaqarManagementStore:
     type: string
     description: The management store for Zaqar
-    default: mongodb
+    default: redis
   EnableInternalTLS:
     type: boolean
     default: false

releasenotes/notes/zaqar-use-redis-by-default-930f542dda895a31.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    Zaqar has been switched to use the redis backend by default from the
+    mongodb backend. Mongodb has not been supported by TripleO since Pike.