(feat) add cache_key in spend_log

litellm/proxy/_types.py

@@ -343,8 +343,7 @@ class LiteLLM_SpendLogs(LiteLLMBase):
     endTime: Union[str, datetime, None]
     user: Optional[str] = ""
     modelParameters: Optional[Json] = {}
-    messages: Optional[Json] = []
-    response: Optional[Json] = {}
     usage: Optional[Json] = {}
     metadata: Optional[Json] = {}
     cache_hit: Optional[str] = "False"
+    cache_key: Optional[str] = None

litellm/proxy/schema.prisma

@@ -58,4 +58,5 @@ model LiteLLM_SpendLogs {
   usage               Json     @default("{}")
   metadata            Json     @default("{}")
   cache_hit           String   @default("")
+  cache_key           String   @default("")
 }

litellm/proxy/utils.py

@@ -995,6 +995,10 @@ def get_logging_payload(kwargs, response_obj, start_time, end_time):
     if api_key is not None and isinstance(api_key, str) and api_key.startswith("sk-"):
         # hash the api_key
         api_key = hash_token(api_key)
+    from litellm.caching import Cache
+
+    c = Cache()
+    cache_key = c.get_cache_key(**kwargs)
 
     if "headers" in metadata and "authorization" in metadata["headers"]:
         metadata["headers"].pop(
@@ -1013,6 +1017,7 @@ def get_logging_payload(kwargs, response_obj, start_time, end_time):
         "modelParameters": optional_params,
         "usage": usage,
         "metadata": metadata,
+        "cache_key": cache_key,
     }
 
     json_fields = [

litellm/tests/test_key_generate_prisma.py

@@ -763,6 +763,10 @@ def test_call_with_key_over_budget(prisma_client):
             assert spend_log.request_id == request_id
             assert spend_log.spend == float("2e-05")
             assert spend_log.model == "chatgpt-v-2"
+            assert (
+                spend_log.cache_key
+                == "a61ae14fe4a8b8014a61e6ae01a100c8bc6770ac37c293242afed954bc69207d"
+            )
 
             # use generated key to auth in
             result = await user_api_key_auth(request=request, api_key=bearer_token)

schema.prisma

@@ -61,4 +61,5 @@ model LiteLLM_SpendLogs {
   usage               Json     @default("{}")
   metadata            Json     @default("{}")
   cache_hit           String   @default("")
+  cache_key           String   @default("")
 }