将python日志记录添加到托管在docker上的FastApi端点上不会显示API端点日志

问题描述

我有一个fastapi应用程序,要在上面添加python日志记录。我遵循了基本教程并添加了此内容,但是它并没有添加API,而只是添加了gunicorn日志记录。

因此,我有一个本地服务器使用docker build托管,因此要使用docker-compose up运行服务器,并使用api客户端(失眠,类似于邮递员)测试我的端点。 下面是没有创建日志文件,因此也没有添加日志语句的代码

我的项目str如下:

project/
  src/ 
    api/
      models/ 
        users.py
      routers/
        users.py
      main.py
      logging.conf
"""
main.py Main is the starting point for the app.
"""
import logging
import logging.config
from fastapi import FastAPI
from msgpack_asgi import MessagePackMiddleware
import uvicorn

from api.routers import users


logger = logging.getLogger(__name__)


app = FastAPI(debug=True)
app.include_router(users.router)


@app.get("/check")
async def check():
    """Simple health check endpoint."""
    logger.info("logging from the root logger")
    return {"success": True}


此外,我使用的是gunicorn.conf,如下所示:

[program:gunicorn]
command=poetry run gunicorn -c /etc/gunicorn/gunicorn.conf.py foodgame_api.main:app
directory=/var/www/
autostart=true
autorestart=true
redirect_stderr=true

gunicorn.conf.py

import multiprocessing
bind = "unix:/tmp/gunicorn.sock"
workers = multiprocessing.cpu_count() * 2 + 1
worker_class = "uvicorn.workers.UvicornWorker"
loglevel = "debug"
errorlog = "-"
capture_output = True
chdir = "/var/www"
reload = True
reload_engine = "auto"
accesslog = "-"
access_log_format = '%(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s"'

这是我在docker上上述API端点的输出终端:

enter image description here

有人可以在这里指导我吗?我是FastApi的新手,所以将感谢您的帮助。

解决方法

我会使用 dict日志配置

按如下所示创建记录器配置,

# my_log_conf.py

log_config = {
    "version": 1,"disable_existing_loggers": False,"formatters": {
        "default": {
            "()": "uvicorn.logging.DefaultFormatter","fmt": "%(levelprefix)s %(asctime)s %(message)s","datefmt": "%Y-%m-%d %H:%M:%S",},"handlers": {
        "default": {
            "formatter": "default","class": "logging.StreamHandler","stream": "ext://sys.stderr","loggers": {
        "foo-logger": {"handlers": ["default"],"level": "DEBUG"},}

然后,使用 dictConfig 功能加载配置,

from logging.config import dictConfig
from fastapi import FastAPI

from some.where.my_log_conf import log_config

dictConfig(log_config)

app = FastAPI(debug=True)

注意:建议在 dictConfig(...) 初始化之前调用 FastAPI 函数。

初始化后,您可以在代码中的任何位置使用名为 foo-logger 的记录器,

import logging

logger = logging.getLogger('foo-logger')

logger.debug('This is test')
,

受到@JPG 答案的启发,但使用 pydantic 模型看起来更干净。

您可能希望公开更多变量。这个配置对我很有用。

library(baRcodeR)
library(dplyr)


example_labels <- uniqID_maker(user = FALSE,string = "Pool",level = 1:80,digits = 5)

example_labels_new <- example_labels %>% slice(rep(1:n(),each = 3))  

write.csv(example_labels_new,file = "~/test.csv")

pdf_file_name <- tempfile()
custom_create_PDF(Labels = example_labels_new,name = "~/test",page_height = cm(29.7),page_width = cm(21),label_width = cm(4.826),label_height = cm(1.693),type = "linear",numrow = 16,numcol = 4,Fsz = 80,width_margin = cm(0.848),height_margin =  cm(1.306),trunc = FALSE,Across = FALSE)

然后将其导入到您的 from pydantic import BaseModel class LogConfig(BaseModel): """Logging configuration to be set for the server""" LOGGER_NAME: str = "mycoolapp" LOG_FORMAT: str = "%(levelprefix)s | %(asctime)s | %(message)s" LOG_LEVEL: str = "DEBUG" # Logging config version = 1 disable_existing_loggers = False formatters = { "default": { "()": "uvicorn.logging.DefaultFormatter","fmt": LOG_FORMAT,} handlers = { "default": { "formatter": "default",} loggers = { "mycoolapp": {"handlers": ["default"],"level": LOG_LEVEL},} 文件中:

main.py

给出:

enter image description here