Updated docs, added new properties to health check cluster client

Author: vladvildanov

docs/geographic_failover.rst

@@ -342,26 +342,17 @@ asyncio event loop, so please ensure that `check_health` method is async:
 
 .. code-block:: python
 
-    from redis.asyncio.multidb.healthcheck import AbstractHealthCheck
-    from redis.asyncio import Connection
-
-    class PingHealthCheck(AbstractHealthCheck):
-        def __init__(
-            self,
-            health_check_probes: int = 10,
-            health_check_delay: float = 0.1,
-            health_check_timeout: float = 2,
-        ):
-            super().__init__(
-                health_check_probes=health_check_probes,
-                health_check_delay=health_check_delay,
-                health_check_timeout=health_check_timeout,
-            )
+    from redis.asyncio.multidb.healthcheck import AbstractHealthCheck, AsyncRedisClientT
+
+    class EchoHealthCheck(AbstractHealthCheck):
+        """
+        Health check based on ECHO command.
+        """
 
-        async def check_health(self, database, connection: Connection) -> bool:
-            await connection.send_command("PING")
+        async def check_health(self, database, hc_client: AsyncRedisClientT) -> bool:
+            await connection.send_command("ECHO", "healthcheck")
             response = await connection.read_response()
-            return response in (b"PONG", "PONG")
+            return response in (b"healthcheck", "healthcheck")
 
 Failure Detection (Reactive Monitoring)
 -----------------

redis/asyncio/multidb/healthcheck.py

@@ -189,6 +189,10 @@ async def get_client(self, database) -> AsyncRedisClientT:
                     client = AsyncRedisCluster(
                         host=first_node.host,
                         port=first_node.port,
+                        dynamic_startup_nodes=database.client.nodes_manager._dynamic_startup_nodes,
+                        address_remap=database.client.nodes_manager.address_remap,
+                        require_full_coverage=database.client.nodes_manager._require_full_coverage,
+                        retry=database.client.retry,
                         **filtered_kwargs,
                     )
                 else: