(Redis Cluster) - Fixes for using redis cluster + pipeline (#8442)

* update RedisCluster creation

* update RedisClusterCache

* add redis ClusterCache

* update async_set_cache_pipeline

* cleanup redis cluster usage

* fix redis pipeline

* test_init_async_client_returns_same_instance

* fix redis cluster

* update mypy_path

* fix init_redis_cluster

* remove stub

* test redis commit

* ClusterPipeline

* fix import

* RedisCluster import

* fix redis cluster

* Potential fix for code scanning alert no. 2129: Clear-text logging of sensitive information

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

* fix naming of redis cluster integration

* test_redis_caching_ttl_pipeline

* fix async_set_cache_pipeline

---------

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

litellm/caching/caching.py

@@ -41,6 +41,7 @@ from .dual_cache import DualCache  # noqa
 from .in_memory_cache import InMemoryCache
 from .qdrant_semantic_cache import QdrantSemanticCache
 from .redis_cache import RedisCache
+from .redis_cluster_cache import RedisClusterCache
 from .redis_semantic_cache import RedisSemanticCache
 from .s3_cache import S3Cache
 
@@ -158,14 +159,23 @@ class Cache:
             None. Cache is set as a litellm param
         """
         if type == LiteLLMCacheType.REDIS:
-            self.cache: BaseCache = RedisCache(
-                host=host,
-                port=port,
-                password=password,
-                redis_flush_size=redis_flush_size,
-                startup_nodes=redis_startup_nodes,
-                **kwargs,
-            )
+            if redis_startup_nodes:
+                self.cache: BaseCache = RedisClusterCache(
+                    host=host,
+                    port=port,
+                    password=password,
+                    redis_flush_size=redis_flush_size,
+                    startup_nodes=redis_startup_nodes,
+                    **kwargs,
+                )
+            else:
+                self.cache = RedisCache(
+                    host=host,
+                    port=port,
+                    password=password,
+                    redis_flush_size=redis_flush_size,
+                    **kwargs,
+                )
         elif type == LiteLLMCacheType.REDIS_SEMANTIC:
             self.cache = RedisSemanticCache(
                 host=host,