28 lines
770 B
Python
28 lines
770 B
Python
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"""Structured JSON logging (NF-observability)."""
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from __future__ import annotations
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import logging
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import sys
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from pythonjsonlogger.jsonlogger import JsonFormatter
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def configure_logging(level: str = "INFO", *, as_json: bool = True) -> None:
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"""Configure the root logger once at app start."""
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handler = logging.StreamHandler(sys.stdout)
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if as_json:
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formatter: logging.Formatter = JsonFormatter(
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"%(asctime)s %(levelname)s %(name)s %(message)s"
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)
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else:
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formatter = logging.Formatter(
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"%(asctime)s %(levelname)-8s %(name)s: %(message)s"
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)
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handler.setFormatter(formatter)
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root = logging.getLogger()
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root.handlers.clear()
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root.addHandler(handler)
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root.setLevel(level.upper())
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