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2.3 KiB
Python

"""Structured JSON logging via structlog."""
from __future__ import annotations
import logging
import sys
from contextvars import ContextVar
from typing import Any
import structlog
_job_run_id: ContextVar[str] = ContextVar("job_run_id", default="")
def bind_job_run_id(run_id: str) -> None:
_job_run_id.set(run_id)
def _add_job_run_id(
logger: Any, method: str, event_dict: dict[str, Any]
) -> dict[str, Any]:
run_id = _job_run_id.get()
if run_id:
event_dict["job_run_id"] = run_id
return event_dict
def _make_events_sink_processor():
"""Return a structlog processor that tees events to EventsStore.
Imported lazily to avoid a circular import at configure_logging() call time
(EventsStore lives in apps/web which is not always present in subprocess env).
Falls back to a no-op if the import fails.
"""
try:
from apps.web.services.events_store import structlog_sink_processor
return structlog_sink_processor
except Exception:
return None
def configure_logging(level: str = "INFO", enable_events_sink: bool = False) -> None:
import os as _os
logging.basicConfig(
format="%(message)s",
stream=sys.stdout,
level=getattr(logging, level.upper(), logging.INFO),
)
# In subprocess env, inherit JOB_RUN_ID from parent if set
_env_id = _os.environ.get("JOB_RUN_ID")
if _env_id:
bind_job_run_id(_env_id)
processors: list[Any] = [
structlog.contextvars.merge_contextvars,
_add_job_run_id,
structlog.stdlib.add_log_level,
structlog.processors.TimeStamper(fmt="iso"),
structlog.processors.StackInfoRenderer(),
structlog.processors.format_exc_info,
]
if enable_events_sink:
sink = _make_events_sink_processor()
if sink is not None:
processors.append(sink)
processors.append(structlog.processors.JSONRenderer())
structlog.configure(
processors=processors,
wrapper_class=structlog.make_filtering_bound_logger(
getattr(logging, level.upper(), logging.INFO)
),
context_class=dict,
logger_factory=structlog.PrintLoggerFactory(),
cache_logger_on_first_use=False,
)
def get_logger(name: str = "") -> structlog.BoundLogger:
return structlog.get_logger(name)