日志

以flask舉例

# mytest.py from flask import Flaskapp = Flask(__name__)@app.route("/") def hello():return "hello world"def run():app.run("0.0.0.0", 12345)if __name__ == "__main__":run()

三種配置方式

# logging.conf [loggers] keys = root,gunicorn.error,gunicorn.access[handlers] keys=console,logfile[formatters] keys=json[logger_root] level=INFO handlers=console,logfile[logger_gunicorn.error] level = INFO handlers = logfile propagate = 1 qualname = gunicorn.error[logger_gunicorn.access] level = INFO handlers = logfile propagate = 0 qualname = gunicorn.access[handler_console] class=logging.StreamHandler formatter=json args=(sys.stdout, )[handler_logfile] class=logging.handlers.TimedRotatingFileHandler formatter=json args=('logs.log', 'midnight', )[formatter_json] format=%(message)s class=pythonjsonlogger.jsonlogger.JsonFormatter # gunicorn.conf import logging from logging.handlers import TimedRotatingFileHandler import os, sys import multiprocessingfrom gunicorn.glogging import Loggerfilepath = "/data/zgx/test/test/flaskTest/list_embedding/log/" th_acc = TimedRotatingFileHandler(when="S", backupCount=7, filename=filepath + "access.log") th_err = TimedRotatingFileHandler(when="S", backupCount=7, filename=filepath + "error.log") th_acc.setFormatter(logging.Formatter("[%(asctime)s] %(levelname)s | %(message)s")) th_err.setFormatter(logging.Formatter("[%(asctime)s] %(levelname)s | %(message)s"))# gunicorn源碼中不支持按日切分日志 class SplitLogger(Logger):def __init__(self, cfg):super(SplitLogger, self).__init__(cfg)self.access_log.addHandler(th_acc)self.error_log.addHandler(th_err)# Server Socket bind = ["0.0.0.0:1316"] backlog = 512 chdir = "/data/prod/project/list_embedding/service_py" timeout = 100 # Worker Processes worker_class = "gevent" workers = multiprocessing.cpu_count() * 2 + 1 # Logging loglevel = "info"access_log_format = '%(t)s %(p)s %(h)s "%(r)s" %(s)s %(L)s %(b)s %(f)s" "%(a)s"' accesslog = "/data/prod/project/list_embedding/service_py/gunicorn_access.log"error_log_format = '%(t)s %(p)s %(h)s "%(r)s" %(s)s %(L)s %(b)s %(f)s" "%(a)s"' errorlog = "/data/prod/project/list_embedding/service_py/gunicorn_error.log"logger_class = SplitLogger # 第一種 gunicorn mytest:app --log-conf=logging.conf # 第二種 gunicorn mytest:app -c gunicorn.conf # 第三種 gunicorn mytest:app --access-logfile '/xxx/access.log'# 具體配置可以詳見官網 # https://docs.gunicorn.org/en/latest/settings.html#logger-class

總結

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