Support the MAXAGE option for CLIENT KILL (redis#3187)

Issue redis#3154

The CLIENT KILL command has a new option, called MAXAGE, to kill
clients older than a given age. Add support for this new option.

Co-authored-by: Gabriel Erzse <gabriel.erzse@redis.com>

redis/commands/core.py

@@ -461,6 +461,7 @@ def client_kill_filter(
         skipme: Union[bool, None] = None,
         laddr: Union[bool, None] = None,
         user: str = None,
+        maxage: Union[int, None] = None,
         **kwargs,
     ) -> ResponseT:
         """
@@ -474,6 +475,7 @@ def client_kill_filter(
         options. If skipme is not provided, the server defaults to skipme=True
         :param laddr: Kills a client by its 'local (bind) address:port'
         :param user: Kills a client for a specific user name
+        :param maxage: Kills clients that are older than the specified age in seconds
         """
         args = []
         if _type is not None:
@@ -496,6 +498,8 @@ def client_kill_filter(
             args.extend((b"LADDR", laddr))
         if user is not None:
             args.extend((b"USER", user))
+        if maxage is not None:
+            args.extend((b"MAXAGE", maxage))
         if not args:
             raise DataError(
                 "CLIENT KILL <filter> <value> ... ... <filter> "

tests/test_commands.py

@@ -707,6 +707,15 @@ def test_client_kill_filter_by_user(self, r, request):
             assert c["user"] != killuser
         r.acl_deluser(killuser)
 
+    @skip_if_server_version_lt("7.4.0")
+    @skip_if_redis_enterprise()
+    def test_client_kill_filter_by_maxage(self, r, request):
+        _get_client(redis.Redis, request, flushdb=False)
+        time.sleep(4)
+        assert len(r.client_list()) == 2
+        r.client_kill_filter(maxage=2)
+        assert len(r.client_list()) == 1
+
     @pytest.mark.onlynoncluster
     @skip_if_server_version_lt("2.9.50")
     @skip_if_redis_enterprise()