Accept validated PostgreSQL self-restart demotion

ocf/loxthelion/managed-container.d/applications/postgresql/native_peers.sh

@@ -71,12 +71,23 @@ import os
 
 response = json.loads(os.environ["MC_DAEMON_RESPONSE"])
 
-if (
-    response.get("ocf_rc") != 0
-    or response.get("ready") is not True
-    or response.get("mutation") is not False
-    or response.get("final_handoff_required") is not True
-):
+common_valid = (
+    response.get("ocf_rc") == 0
+    and response.get("ready") is True
+    and response.get("mutation") is False
+)
+
+peer_handoff = (
+    response.get("final_handoff_required") is True
+)
+
+local_restart = (
+    response.get("final_handoff_required") is False
+    and response.get("handoff_mode") == "local_restart"
+    and response.get("reason") == "local_restart_demotion_ready"
+)
+
+if not common_valid or not (peer_handoff or local_restart):
     raise SystemExit(1)
 '; then
         ocf_log info \