(Feat) - Allow viewing Request/Response Logs stored in GCS Bucket (#8449)

* BaseRequestResponseFetchFromCustomLogger

* get_active_base_request_response_fetch_from_custom_logger

* get_request_response_payload

* ui_view_request_response_for_request_id

* fix uiSpendLogDetailsCall

* fix get_request_response_payload

* ui fix RequestViewer

* use 1 class AdditionalLoggingUtils

* ui_view_request_response_for_request_id

* cache the prefetch logs details

* refactor prefetch

* test view request/resp logs

* fix code quality

* fix get_request_response_payload

* uninstall posthog
prevent it from being added in ci/cd

* fix posthog

* fix traceloop test

* fix linting error

litellm/integrations/additional_logging_utils.py

@@ -0,0 +1,36 @@
+"""
+Base class for Additional Logging Utils for CustomLoggers 
+
+- Health Check for the logging util
+- Get Request / Response Payload for the logging util
+"""
+
+from abc import ABC, abstractmethod
+from datetime import datetime
+from typing import Optional
+
+from litellm.types.integrations.base_health_check import IntegrationHealthCheckStatus
+
+
+class AdditionalLoggingUtils(ABC):
+    def __init__(self):
+        super().__init__()
+
+    @abstractmethod
+    async def async_health_check(self) -> IntegrationHealthCheckStatus:
+        """
+        Check if the service is healthy
+        """
+        pass
+
+    @abstractmethod
+    async def get_request_response_payload(
+        self,
+        request_id: str,
+        start_time_utc: Optional[datetime],
+        end_time_utc: Optional[datetime],
+    ) -> Optional[dict]:
+        """
+        Get the request and response payload for a given `request_id`
+        """
+        return None