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import asyncio
from datetime import datetime, timedelta
from typing import TYPE_CHECKING, Any, Optional, Union
import litellm
from litellm._logging import verbose_logger
from litellm.proxy._types import UserAPIKeyAuth
from .integrations.custom_logger import CustomLogger
from .integrations.datadog.datadog import DataDogLogger
from .integrations.opentelemetry import OpenTelemetry
from .integrations.prometheus_services import PrometheusServicesLogger
from .types.services import ServiceLoggerPayload, ServiceTypes
if TYPE_CHECKING:
from opentelemetry.trace import Span as _Span
Span = _Span
OTELClass = OpenTelemetry
else:
Span = Any
OTELClass = Any
class ServiceLogging(CustomLogger):
"""
Separate class used for monitoring health of litellm-adjacent services (redis/postgres).
"""
def __init__(self, mock_testing: bool = False) -> None:
self.mock_testing = mock_testing
self.mock_testing_sync_success_hook = 0
self.mock_testing_async_success_hook = 0
self.mock_testing_sync_failure_hook = 0
self.mock_testing_async_failure_hook = 0
if "prometheus_system" in litellm.service_callback:
self.prometheusServicesLogger = PrometheusServicesLogger()
def service_success_hook(
self,
service: ServiceTypes,
duration: float,
call_type: str,
parent_otel_span: Optional[Span] = None,
start_time: Optional[Union[datetime, float]] = None,
end_time: Optional[Union[float, datetime]] = None,
):
"""
Handles both sync and async monitoring by checking for existing event loop.
"""
if self.mock_testing:
self.mock_testing_sync_success_hook += 1
try:
# Try to get the current event loop
loop = asyncio.get_event_loop()
# Check if the loop is running
if loop.is_running():
# If we're in a running loop, create a task
loop.create_task(
self.async_service_success_hook(
service=service,
duration=duration,
call_type=call_type,
parent_otel_span=parent_otel_span,
start_time=start_time,
end_time=end_time,
)
)
else:
# Loop exists but not running, we can use run_until_complete
loop.run_until_complete(
self.async_service_success_hook(
service=service,
duration=duration,
call_type=call_type,
parent_otel_span=parent_otel_span,
start_time=start_time,
end_time=end_time,
)
)
except RuntimeError:
# No event loop exists, create a new one and run
asyncio.run(
self.async_service_success_hook(
service=service,
duration=duration,
call_type=call_type,
parent_otel_span=parent_otel_span,
start_time=start_time,
end_time=end_time,
)
)
def service_failure_hook(
self, service: ServiceTypes, duration: float, error: Exception, call_type: str
):
"""
[TODO] Not implemented for sync calls yet. V0 is focused on async monitoring (used by proxy).
"""
if self.mock_testing:
self.mock_testing_sync_failure_hook += 1
async def async_service_success_hook(
self,
service: ServiceTypes,
call_type: str,
duration: float,
parent_otel_span: Optional[Span] = None,
start_time: Optional[Union[datetime, float]] = None,
end_time: Optional[Union[datetime, float]] = None,
event_metadata: Optional[dict] = None,
):
"""
- For counting if the redis, postgres call is successful
"""
if self.mock_testing:
self.mock_testing_async_success_hook += 1
payload = ServiceLoggerPayload(
is_error=False,
error=None,
service=service,
duration=duration,
call_type=call_type,
)
for callback in litellm.service_callback:
if callback == "prometheus_system":
await self.init_prometheus_services_logger_if_none()
await self.prometheusServicesLogger.async_service_success_hook(
payload=payload
)
elif callback == "datadog" or isinstance(callback, DataDogLogger):
await self.init_datadog_logger_if_none()
await self.dd_logger.async_service_success_hook(
payload=payload,
parent_otel_span=parent_otel_span,
start_time=start_time,
end_time=end_time,
event_metadata=event_metadata,
)
elif callback == "otel" or isinstance(callback, OpenTelemetry):
from litellm.proxy.proxy_server import open_telemetry_logger
await self.init_otel_logger_if_none()
if (
parent_otel_span is not None
and open_telemetry_logger is not None
and isinstance(open_telemetry_logger, OpenTelemetry)
):
await self.otel_logger.async_service_success_hook(
payload=payload,
parent_otel_span=parent_otel_span,
start_time=start_time,
end_time=end_time,
event_metadata=event_metadata,
)
async def init_prometheus_services_logger_if_none(self):
"""
initializes prometheusServicesLogger if it is None or no attribute exists on ServiceLogging Object
"""
if not hasattr(self, "prometheusServicesLogger"):
self.prometheusServicesLogger = PrometheusServicesLogger()
elif self.prometheusServicesLogger is None:
self.prometheusServicesLogger = self.prometheusServicesLogger()
return
async def init_datadog_logger_if_none(self):
"""
initializes dd_logger if it is None or no attribute exists on ServiceLogging Object
"""
from litellm.integrations.datadog.datadog import DataDogLogger
if not hasattr(self, "dd_logger"):
self.dd_logger: DataDogLogger = DataDogLogger()
return
async def init_otel_logger_if_none(self):
"""
initializes otel_logger if it is None or no attribute exists on ServiceLogging Object
"""
from litellm.proxy.proxy_server import open_telemetry_logger
if not hasattr(self, "otel_logger"):
if open_telemetry_logger is not None and isinstance(
open_telemetry_logger, OpenTelemetry
):
self.otel_logger: OpenTelemetry = open_telemetry_logger
else:
verbose_logger.warning(
"ServiceLogger: open_telemetry_logger is None or not an instance of OpenTelemetry"
)
return
async def async_service_failure_hook(
self,
service: ServiceTypes,
duration: float,
error: Union[str, Exception],
call_type: str,
parent_otel_span: Optional[Span] = None,
start_time: Optional[Union[datetime, float]] = None,
end_time: Optional[Union[float, datetime]] = None,
event_metadata: Optional[dict] = None,
):
"""
- For counting if the redis, postgres call is unsuccessful
"""
if self.mock_testing:
self.mock_testing_async_failure_hook += 1
error_message = ""
if isinstance(error, Exception):
error_message = str(error)
elif isinstance(error, str):
error_message = error
payload = ServiceLoggerPayload(
is_error=True,
error=error_message,
service=service,
duration=duration,
call_type=call_type,
)
for callback in litellm.service_callback:
if callback == "prometheus_system":
await self.init_prometheus_services_logger_if_none()
await self.prometheusServicesLogger.async_service_failure_hook(
payload=payload,
error=error,
)
elif callback == "datadog" or isinstance(callback, DataDogLogger):
await self.init_datadog_logger_if_none()
await self.dd_logger.async_service_failure_hook(
payload=payload,
error=error_message,
parent_otel_span=parent_otel_span,
start_time=start_time,
end_time=end_time,
event_metadata=event_metadata,
)
elif callback == "otel" or isinstance(callback, OpenTelemetry):
from litellm.proxy.proxy_server import open_telemetry_logger
await self.init_otel_logger_if_none()
if not isinstance(error, str):
error = str(error)
if (
parent_otel_span is not None
and open_telemetry_logger is not None
and isinstance(open_telemetry_logger, OpenTelemetry)
):
await self.otel_logger.async_service_success_hook(
payload=payload,
parent_otel_span=parent_otel_span,
start_time=start_time,
end_time=end_time,
event_metadata=event_metadata,
)
async def async_post_call_failure_hook(
self,
request_data: dict,
original_exception: Exception,
user_api_key_dict: UserAPIKeyAuth,
):
"""
Hook to track failed litellm-service calls
"""
return await super().async_post_call_failure_hook(
request_data,
original_exception,
user_api_key_dict,
)
async def async_log_success_event(self, kwargs, response_obj, start_time, end_time):
"""
Hook to track latency for litellm proxy llm api calls
"""
try:
_duration = end_time - start_time
if isinstance(_duration, timedelta):
_duration = _duration.total_seconds()
elif isinstance(_duration, float):
pass
else:
raise Exception(
"Duration={} is not a float or timedelta object. type={}".format(
_duration, type(_duration)
)
) # invalid _duration value
await self.async_service_success_hook(
service=ServiceTypes.LITELLM,
duration=_duration,
call_type=kwargs["call_type"],
)
except Exception as e:
raise e
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