Fixing sentinel command execution to allow returning of actual responses when meaningful - behaviour controlled by 'return_responses' argument.

CHANGES

@@ -1,3 +1,4 @@
+    * Fixed sentinel execute command response
     * Move doctests (doc code examples) to main branch
     * Update `ResponseT` type hint
     * Allow to control the minimum SSL version

redis/asyncio/sentinel.py

@@ -1,6 +1,7 @@
 import asyncio
 import random
 import weakref
+from functools import reduce
 from typing import AsyncIterator, Iterable, Mapping, Optional, Sequence, Tuple, Type
 
 from redis.asyncio.client import Redis
@@ -230,15 +231,24 @@ async def execute_command(self, *args, **kwargs):
         if "once" in kwargs.keys():
             kwargs.pop("once")
 
+        # Check if command suppose to return boolean response.
+        bool_resp = bool(kwargs.get("bool_resp", False))
+        if "bool_resp" in kwargs.keys():
+            kwargs.pop("bool_resp")
+
         if once:
-            await random.choice(self.sentinels).execute_command(*args, **kwargs)
-        else:
-            tasks = [
-                asyncio.Task(sentinel.execute_command(*args, **kwargs))
-                for sentinel in self.sentinels
-            ]
-            await asyncio.gather(*tasks)
-        return True
+            return await random.choice(self.sentinels).execute_command(*args, **kwargs)
+
+        tasks = [
+            asyncio.Task(sentinel.execute_command(*args, **kwargs))
+            for sentinel in self.sentinels
+        ]
+        responses = await asyncio.gather(*tasks)
+
+        if bool_resp:
+            return reduce(lambda x, y: x and y, responses)
+
+        return responses
 
     def __repr__(self):
         sentinel_addresses = []

redis/commands/sentinel.py

@@ -13,35 +13,39 @@ def sentinel(self, *args):
 
     def sentinel_get_master_addr_by_name(self, service_name):
         """Returns a (host, port) pair for the given ``service_name``"""
-        return self.execute_command("SENTINEL GET-MASTER-ADDR-BY-NAME", service_name)
+        return self.execute_command(
+            "SENTINEL GET-MASTER-ADDR-BY-NAME", service_name, once=True
+        )
 
     def sentinel_master(self, service_name):
         """Returns a dictionary containing the specified masters state."""
         return self.execute_command("SENTINEL MASTER", service_name)
 
     def sentinel_masters(self):
         """Returns a list of dictionaries containing each master's state."""
-        return self.execute_command("SENTINEL MASTERS")
+        return self.execute_command("SENTINEL MASTERS", once=True)
 
     def sentinel_monitor(self, name, ip, port, quorum):
         """Add a new master to Sentinel to be monitored"""
-        return self.execute_command("SENTINEL MONITOR", name, ip, port, quorum)
+        return self.execute_command(
+            "SENTINEL MONITOR", name, ip, port, quorum, bool_resp=True
+        )
 
     def sentinel_remove(self, name):
         """Remove a master from Sentinel's monitoring"""
-        return self.execute_command("SENTINEL REMOVE", name)
+        return self.execute_command("SENTINEL REMOVE", name, bool_resp=True)
 
     def sentinel_sentinels(self, service_name):
         """Returns a list of sentinels for ``service_name``"""
         return self.execute_command("SENTINEL SENTINELS", service_name)
 
     def sentinel_set(self, name, option, value):
         """Set Sentinel monitoring parameters for a given master"""
-        return self.execute_command("SENTINEL SET", name, option, value)
+        return self.execute_command("SENTINEL SET", name, option, value, bool_resp=True)
 
     def sentinel_slaves(self, service_name):
         """Returns a list of slaves for ``service_name``"""
-        return self.execute_command("SENTINEL SLAVES", service_name)
+        return self.execute_command("SENTINEL SLAVES", service_name, once=True)
 
     def sentinel_reset(self, pattern):
         """
@@ -52,7 +56,9 @@ def sentinel_reset(self, pattern):
         failover in progress), and removes every slave and sentinel already
         discovered and associated with the master.
         """
-        return self.execute_command("SENTINEL RESET", pattern, once=True)
+        return self.execute_command(
+            "SENTINEL RESET", pattern, once=True, bool_resp=True
+        )
 
     def sentinel_failover(self, new_master_name):
         """
@@ -61,7 +67,9 @@ def sentinel_failover(self, new_master_name):
         configuration will be published so that the other Sentinels will
         update their configurations).
         """
-        return self.execute_command("SENTINEL FAILOVER", new_master_name)
+        return self.execute_command(
+            "SENTINEL FAILOVER", new_master_name, bool_resp=True
+        )
 
     def sentinel_ckquorum(self, new_master_name):
         """
@@ -72,7 +80,9 @@ def sentinel_ckquorum(self, new_master_name):
         This command should be used in monitoring systems to check if a
         Sentinel deployment is ok.
         """
-        return self.execute_command("SENTINEL CKQUORUM", new_master_name, once=True)
+        return self.execute_command(
+            "SENTINEL CKQUORUM", new_master_name, once=True, bool_resp=True
+        )
 
     def sentinel_flushconfig(self):
         """
@@ -90,7 +100,7 @@ def sentinel_flushconfig(self):
         This command works even if the previous configuration file is
         completely missing.
         """
-        return self.execute_command("SENTINEL FLUSHCONFIG")
+        return self.execute_command("SENTINEL FLUSHCONFIG", bool_resp=True)
 
 
 class AsyncSentinelCommands(SentinelCommands):

redis/sentinel.py

@@ -1,5 +1,6 @@
 import random
 import weakref
+from functools import reduce
 from typing import Optional
 
 from redis.client import Redis
@@ -257,12 +258,22 @@ def execute_command(self, *args, **kwargs):
         if "once" in kwargs.keys():
             kwargs.pop("once")
 
+        # Check if command suppose to return boolean response.
+        bool_resp = bool(kwargs.get("bool_resp", False))
+        if "bool_resp" in kwargs.keys():
+            kwargs.pop("bool_resp")
+
         if once:
-            random.choice(self.sentinels).execute_command(*args, **kwargs)
-        else:
-            for sentinel in self.sentinels:
-                sentinel.execute_command(*args, **kwargs)
-        return True
+            return random.choice(self.sentinels).execute_command(*args, **kwargs)
+
+        responses = []
+        for sentinel in self.sentinels:
+            responses.append(sentinel.execute_command(*args, **kwargs))
+
+        if bool_resp:
+            return reduce(lambda x, y: x and y, responses)
+
+        return responses
 
     def __repr__(self):
         sentinel_addresses = []