Files
LangBot/src/langbot/pkg/pipeline/monitor.py
Typer_Body 5d4e40459f shit
2026-05-26 02:28:01 +08:00

356 lines
13 KiB
Python

"""
Monitoring helper for recording events during pipeline execution.
This module provides convenient methods to record monitoring data
without cluttering the main pipeline code.
"""
from __future__ import annotations
import traceback
import typing
import time
import json
if typing.TYPE_CHECKING:
from ..core import app
import langbot_plugin.api.entities.builtin.pipeline.query as pipeline_query
class MonitoringHelper:
"""Helper class for monitoring operations"""
@staticmethod
async def record_query_start(
ap: app.Application,
query: pipeline_query.Query,
bot_id: str,
bot_name: str,
pipeline_id: str,
pipeline_name: str,
runner_name: str | None = None,
) -> str:
"""Record the start of query processing, returns message_id"""
try:
# Check if session exists, if not, record session start
session_id = f'{query.launcher_type}_{query.launcher_id}'
# Get sender name from message event
sender_name = None
if hasattr(query, 'message_event'):
if hasattr(query.message_event, 'sender'):
if hasattr(query.message_event.sender, 'nickname'):
sender_name = query.message_event.sender.nickname
elif hasattr(query.message_event.sender, 'member_name'):
sender_name = query.message_event.sender.member_name
# Try to record message
# Use JSON serialization to preserve message chain structure (including image URLs, etc.)
if hasattr(query, 'message_chain') and hasattr(query.message_chain, 'model_dump'):
message_content = json.dumps(query.message_chain.model_dump(), ensure_ascii=False)
else:
message_content = str(query)
# Variables will be updated in record_query_success after preproc stage sets them
# Here we just record None, the full variables will be set when query completes
message_id = await ap.monitoring_service.record_message(
bot_id=bot_id,
bot_name=bot_name,
pipeline_id=pipeline_id,
pipeline_name=pipeline_name,
message_content=message_content,
session_id=session_id,
status='pending',
level='info',
platform=query.launcher_type.value
if hasattr(query.launcher_type, 'value')
else str(query.launcher_type),
user_id=query.sender_id,
user_name=sender_name,
runner_name=runner_name,
variables=None, # Will be updated in record_query_success
)
# Update session activity or create new session if it doesn't exist
# Always pass pipeline info to handle pipeline switches
session_updated = await ap.monitoring_service.update_session_activity(
session_id,
pipeline_id=pipeline_id,
pipeline_name=pipeline_name,
)
if not session_updated:
# Session doesn't exist, create it
await ap.monitoring_service.record_session_start(
session_id=session_id,
bot_id=bot_id,
bot_name=bot_name,
pipeline_id=pipeline_id,
pipeline_name=pipeline_name,
platform=query.launcher_type.value
if hasattr(query.launcher_type, 'value')
else str(query.launcher_type),
user_id=query.sender_id,
user_name=sender_name,
)
return message_id
except Exception as e:
ap.logger.error(f'Failed to record query start: {e}')
return ''
@staticmethod
async def record_query_success(
ap: app.Application,
message_id: str,
query: pipeline_query.Query | None = None,
):
"""Record successful query processing by updating message status and variables"""
try:
if message_id:
# Serialize query.variables (filtering out internal variables)
query_variables_str = None
if query and hasattr(query, 'variables') and query.variables:
filtered_vars = {k: v for k, v in query.variables.items() if not k.startswith('_')}
if filtered_vars:
try:
query_variables_str = json.dumps(filtered_vars, ensure_ascii=False, default=str)
except Exception:
pass
await ap.monitoring_service.update_message_status(
message_id=message_id,
status='success',
variables=query_variables_str,
)
except Exception as e:
ap.logger.error(f'Failed to record query success: {e}')
@staticmethod
async def record_query_response(
ap: app.Application,
query: pipeline_query.Query,
bot_id: str,
bot_name: str,
pipeline_id: str,
pipeline_name: str,
runner_name: str | None = None,
):
"""Record bot response message to monitoring"""
try:
session_id = f'{query.launcher_type}_{query.launcher_id}'
# Get sender name from message event
sender_name = None
if hasattr(query, 'message_event'):
if hasattr(query.message_event, 'sender'):
if hasattr(query.message_event.sender, 'nickname'):
sender_name = query.message_event.sender.nickname
elif hasattr(query.message_event.sender, 'member_name'):
sender_name = query.message_event.sender.member_name
# Extract response content from resp_message_chain
if hasattr(query, 'resp_message_chain') and query.resp_message_chain:
# Serialize the last response message chain
last_resp = query.resp_message_chain[-1]
if hasattr(last_resp, 'model_dump'):
message_content = json.dumps(last_resp.model_dump(), ensure_ascii=False)
else:
message_content = str(last_resp)
elif hasattr(query, 'resp_messages') and query.resp_messages:
last_resp = query.resp_messages[-1]
if hasattr(last_resp, 'get_content_platform_message_chain'):
chain = last_resp.get_content_platform_message_chain()
if hasattr(chain, 'model_dump'):
message_content = json.dumps(chain.model_dump(), ensure_ascii=False)
else:
message_content = str(chain)
else:
message_content = str(last_resp)
else:
return # No response to record
await ap.monitoring_service.record_message(
bot_id=bot_id,
bot_name=bot_name,
pipeline_id=pipeline_id,
pipeline_name=pipeline_name,
message_content=message_content,
session_id=session_id,
status='success',
level='info',
platform=query.launcher_type.value
if hasattr(query.launcher_type, 'value')
else str(query.launcher_type),
user_id=query.sender_id,
user_name=sender_name,
runner_name=runner_name,
role='assistant',
)
except Exception as e:
ap.logger.error(f'Failed to record query response: {e}')
@staticmethod
async def record_query_error(
ap: app.Application,
query: pipeline_query.Query,
bot_id: str,
bot_name: str,
pipeline_id: str,
pipeline_name: str,
error: Exception,
runner_name: str | None = None,
) -> str:
"""Record query processing error, returns message_id"""
try:
session_id = f'{query.launcher_type}_{query.launcher_id}'
# Get sender name from message event
sender_name = None
if hasattr(query, 'message_event'):
if hasattr(query.message_event, 'sender'):
if hasattr(query.message_event.sender, 'nickname'):
sender_name = query.message_event.sender.nickname
elif hasattr(query.message_event.sender, 'member_name'):
sender_name = query.message_event.sender.member_name
# Record error message
message_id = await ap.monitoring_service.record_message(
bot_id=bot_id,
bot_name=bot_name,
pipeline_id=pipeline_id,
pipeline_name=pipeline_name,
message_content=f'Error: {str(error)}',
session_id=session_id,
status='error',
level='error',
platform=query.launcher_type.value
if hasattr(query.launcher_type, 'value')
else str(query.launcher_type),
user_id=query.sender_id,
user_name=sender_name,
runner_name=runner_name,
)
# Record error log
await ap.monitoring_service.record_error(
bot_id=bot_id,
bot_name=bot_name,
pipeline_id=pipeline_id,
pipeline_name=pipeline_name,
error_type=type(error).__name__,
error_message=str(error),
session_id=session_id,
stack_trace=traceback.format_exc(),
message_id=message_id,
)
return message_id
except Exception as e:
ap.logger.error(f'Failed to record query error: {e}')
return ''
@staticmethod
async def record_llm_call(
ap: app.Application,
query: pipeline_query.Query,
bot_id: str,
bot_name: str,
pipeline_id: str,
pipeline_name: str,
model_name: str,
input_tokens: int,
output_tokens: int,
duration_ms: int,
status: str = 'success',
cost: float | None = None,
error_message: str | None = None,
message_id: str | None = None,
):
"""Record LLM call"""
try:
session_id = f'{query.launcher_type}_{query.launcher_id}'
await ap.monitoring_service.record_llm_call(
bot_id=bot_id,
bot_name=bot_name,
pipeline_id=pipeline_id,
pipeline_name=pipeline_name,
session_id=session_id,
model_name=model_name,
input_tokens=input_tokens,
output_tokens=output_tokens,
duration=duration_ms,
status=status,
cost=cost,
error_message=error_message,
message_id=message_id,
)
except Exception as e:
ap.logger.error(f'Failed to record LLM call: {e}')
class LLMCallMonitor:
"""Context manager for monitoring LLM calls"""
def __init__(
self,
ap: app.Application,
query: pipeline_query.Query,
bot_id: str,
bot_name: str,
pipeline_id: str,
pipeline_name: str,
model_name: str,
):
self.ap = ap
self.query = query
self.bot_id = bot_id
self.bot_name = bot_name
self.pipeline_id = pipeline_id
self.pipeline_name = pipeline_name
self.model_name = model_name
self.start_time = None
self.input_tokens = 0
self.output_tokens = 0
async def __aenter__(self):
self.start_time = time.time()
return self
async def __aexit__(self, exc_type, exc_val, exc_tb):
duration_ms = int((time.time() - self.start_time) * 1000)
if exc_type is not None:
# Error occurred
await MonitoringHelper.record_llm_call(
ap=self.ap,
query=self.query,
bot_id=self.bot_id,
bot_name=self.bot_name,
pipeline_id=self.pipeline_id,
pipeline_name=self.pipeline_name,
model_name=self.model_name,
input_tokens=self.input_tokens,
output_tokens=self.output_tokens,
duration_ms=duration_ms,
status='error',
error_message=str(exc_val) if exc_val else None,
)
else:
# Success
await MonitoringHelper.record_llm_call(
ap=self.ap,
query=self.query,
bot_id=self.bot_id,
bot_name=self.bot_name,
pipeline_id=self.pipeline_id,
pipeline_name=self.pipeline_name,
model_name=self.model_name,
input_tokens=self.input_tokens,
output_tokens=self.output_tokens,
duration_ms=duration_ms,
status='success',
)
return False # Don't suppress exceptions