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2a9651b3ca
open-meter supports user based billing. Closes https://github.com/BerriAI/litellm/issues/1268
122 lines
4.1 KiB
Python
122 lines
4.1 KiB
Python
# What is this?
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## On Success events log cost to OpenMeter - https://github.com/BerriAI/litellm/issues/1268
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import dotenv, os, json
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import requests
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import litellm
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dotenv.load_dotenv() # Loading env variables using dotenv
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import traceback
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from litellm.integrations.custom_logger import CustomLogger
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from litellm.llms.custom_httpx.http_handler import AsyncHTTPHandler, HTTPHandler
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import uuid
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def get_utc_datetime():
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import datetime as dt
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from datetime import datetime
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if hasattr(dt, "UTC"):
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return datetime.now(dt.UTC) # type: ignore
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else:
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return datetime.utcnow() # type: ignore
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class OpenMeterLogger(CustomLogger):
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def __init__(self) -> None:
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super().__init__()
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self.validate_environment()
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self.async_http_handler = AsyncHTTPHandler()
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self.sync_http_handler = HTTPHandler()
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def validate_environment(self):
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"""
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Expects
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OPENMETER_API_ENDPOINT,
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OPENMETER_API_KEY,
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in the environment
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"""
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missing_keys = []
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if litellm.get_secret("OPENMETER_API_ENDPOINT", None) is None:
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missing_keys.append("OPENMETER_API_ENDPOINT")
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if litellm.get_secret("OPENMETER_API_KEY", None) is None:
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missing_keys.append("OPENMETER_API_KEY")
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if len(missing_keys) > 0:
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raise Exception("Missing keys={} in environment.".format(missing_keys))
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def _common_logic(self, kwargs: dict, response_obj):
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call_id = response_obj.get("id", kwargs.get("litellm_call_id"))
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dt = get_utc_datetime().isoformat()
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cost = kwargs.get("response_cost", None)
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model = kwargs.get("model")
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usage = {}
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if (
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isinstance(response_obj, litellm.ModelResponse)
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or isinstance(response_obj, litellm.EmbeddingResponse)
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) and hasattr(response_obj, "usage"):
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usage = {
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"prompt_tokens": response_obj["usage"].get("prompt_tokens", 0),
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"completion_tokens": response_obj["usage"].get("completion_tokens", 0),
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"total_tokens": response_obj["usage"].get("total_tokens"),
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}
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return {
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"specversion": "1.0",
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"type": os.getenv("OPENMETER_EVENT_TYPE", "litellm_tokens"),
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"id": call_id,
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"time": dt,
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"subject": kwargs.get("user", ""), # end-user passed in via 'user' param
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"source": "litellm-proxy",
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"data": {"model": model, "cost": cost, **usage},
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}
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def log_success_event(self, kwargs, response_obj, start_time, end_time):
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_url = litellm.get_secret("OPENMETER_API_ENDPOINT")
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if _url.endswith("/"):
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_url += "api/v1/events"
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else:
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_url += "/api/v1/events"
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api_key = litellm.get_secret("OPENMETER_API_KEY")
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_data = self._common_logic(kwargs=kwargs, response_obj=response_obj)
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self.sync_http_handler.post(
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url=_url,
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data=_data,
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headers={
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"Content-Type": "application/cloudevents+json",
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"Authorization": "Bearer {}".format(api_key),
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},
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)
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async def async_log_success_event(self, kwargs, response_obj, start_time, end_time):
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_url = litellm.get_secret("OPENMETER_API_ENDPOINT")
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if _url.endswith("/"):
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_url += "api/v1/events"
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else:
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_url += "/api/v1/events"
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api_key = litellm.get_secret("OPENMETER_API_KEY")
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_data = self._common_logic(kwargs=kwargs, response_obj=response_obj)
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_headers = {
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"Content-Type": "application/cloudevents+json",
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"Authorization": "Bearer {}".format(api_key),
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}
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try:
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response = await self.async_http_handler.post(
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url=_url,
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data=json.dumps(_data),
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headers=_headers,
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)
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response.raise_for_status()
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except Exception as e:
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print(f"\nAn Exception Occurred - {str(e)}")
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if hasattr(response, "text"):
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print(f"\nError Message: {response.text}")
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raise e
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