fix: exclude ABANDON protocol from master DB availability checks

Author: Naksen

app/ldap_protocol/ldap_requests/abandon.py

@@ -17,7 +17,6 @@
 class AbandonRequest(BaseRequest):
     """Abandon protocol."""
 
-    RESPONSE_TYPE: ClassVar[type] = type(None)
     CONTEXT_TYPE: ClassVar[type] = LDAPAbandonRequestContext
     PROTOCOL_OP: ClassVar[int] = ProtocolRequests.ABANDON
     message_id: int

app/ldap_protocol/ldap_requests/base.py

@@ -126,10 +126,11 @@ async def handle_tcp(
                 responses.append(response)
                 yield response
         except OperationalError:
-            yield self.RESPONSE_TYPE(
-                result_code=LDAPCodes.UNAVAILABLE,
-                errorMessage="Master DB is not available",
-            )
+            if self.PROTOCOL_OP != ProtocolRequests.ABANDON:
+                yield self.RESPONSE_TYPE(
+                    result_code=LDAPCodes.UNAVAILABLE,
+                    errorMessage="Master DB is not available",
+                )
             return
 
         if self.PROTOCOL_OP != ProtocolRequests.SEARCH:
@@ -185,12 +186,15 @@ async def _handle_api(
         try:
             responses = [response async for response in self.handle(ctx=ctx)]
         except OperationalError:
-            responses = [
-                self.RESPONSE_TYPE(
-                    result_code=LDAPCodes.UNAVAILABLE,
-                    errorMessage="Master DB is not available",
-                ),
-            ]
+            if self.PROTOCOL_OP != ProtocolRequests.ABANDON:
+                responses = [
+                    self.RESPONSE_TYPE(
+                        result_code=LDAPCodes.UNAVAILABLE,
+                        errorMessage="Master DB is not available",
+                    ),
+                ]
+            else:
+                responses = []
 
         if settings.DEBUG:
             for response in responses: