LogBrew로 Flask 로깅과 Flask 예외 처리하기

install -d -m 700 "$HOME/.logbrew"
logbrew projects create my-flask-app \
  --runtime flask \
  --environment development \
  --ingest-key-file "$HOME/.logbrew/my-flask-app.ingest" \
  --json

logbrew projects keys create "<project_id>" \
  --kind server \
  --label "Flask server" \
  --ingest-key-file "$HOME/.logbrew/my-flask-app.ingest" \
  --json

python3 -m pip install "logbrew-flask>=0.1.6,<0.2"

export LOGBREW_SERVER_API_KEY="$(tr -d '\r\n' < "$HOME/.logbrew/my-flask-app.ingest")"
export LOGBREW_SERVICE_NAME="my-flask-app"
export LOGBREW_ENVIRONMENT="development"
export LOGBREW_RELEASE="my-flask-app@1.0.0"

import logging

from flask import Flask
from logbrew_flask import init_logbrew
from logbrew_sdk import LogBrewLoggingHandler

app = Flask(__name__)
logbrew = init_logbrew(app, capture_request_metrics=True)

logger = logging.getLogger("my-flask-app")
logger.setLevel(logging.INFO)
logger.addHandler(LogBrewLoggingHandler(logbrew.client))


@app.get("/health")
def health() -> dict[str, bool]:
    logger.info("health check completed")
    return {"ok": True}

flask --app app run

curl -fsS http://127.0.0.1:5000/health

logbrew read traces \
  --project "<project_id>" \
  --service my-flask-app \
  --environment development \
  --release my-flask-app@1.0.0 \
  --since 1h \
  --json

logbrew read logs \
  --project "<project_id>" \
  --service my-flask-app \
  --environment development \
  --release my-flask-app@1.0.0 \
  --search "health check completed" \
  --since 1h \
  --json

logbrew explain trace "<trace_id>" --json