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【已解决】supervisor去管理gunicorn的Flask后找不到debug输出的log信息

Flask crifan 1040浏览 0评论

折腾:

【记录】参考Flask教程去通过Flask-RESTful设计的Restful的API接口

期间,发现代码中的:

gLog = app.logger
class TaskListAPI(Resource):
    decorators = [auth.login_required]
    def get(self):
        gLog.debug("get for TaskListAPI")
        return {‘tasks’: [marshal(task, task_fields) for task in tasks]}

结果:

gunicorn去启动app时:

(RunningFast) ➜  RunningFast gunicorn -w 4 -b 0.0.0.0:21084 run:app &
[1] 13541
(RunningFast) ➜  RunningFast [2016-09-30 17:40:13 +0000] [13541] [INFO] Starting gunicorn 19.6.0
[2016-09-30 17:40:13 +0000] [13541] [INFO] Listening at: http://0.0.0.0:21084 (13541)
[2016-09-30 17:40:13 +0000] [13541] [INFO] Using worker: sync
[2016-09-30 17:40:13 +0000] [13550] [INFO] Booting worker with pid: 13550
[2016-09-30 17:40:13 +0000] [13551] [INFO] Booting worker with pid: 13551
[2016-09-30 17:40:13 +0000] [13554] [INFO] Booting worker with pid: 13554
[2016-09-30 17:40:13 +0000] [13555] [INFO] Booting worker with pid: 13555

然后去测试访问接口:

即可看到shell中输出了log信息:

但是去换用supervisor管理任务时:

(RunningFast) ➜  RunningFast netstat -tulpn | grep 21084
tcp        0      0 0.0.0.0:21084               0.0.0.0:*                   LISTEN      13541/python        
(RunningFast) ➜  RunningFast kill -9 13541
[1]  + 13541 killed     gunicorn -w 4 -b 0.0.0.0:21084 run:app                                                                                                                           
(RunningFast) ➜  RunningFast [2016-09-30 17:42:56 +0000] [13551] [INFO] Parent changed, shutting down: <Worker 13551>
[2016-09-30 17:42:56 +0000] [13551] [INFO] Worker exiting (pid: 13551)
[2016-09-30 17:42:56 +0000] [13554] [INFO] Parent changed, shutting down: <Worker 13554>
[2016-09-30 17:42:56 +0000] [13554] [INFO] Worker exiting (pid: 13554)
[2016-09-30 17:42:59 +0000] [13550] [INFO] Parent changed, shutting down: <Worker 13550>
[2016-09-30 17:42:59 +0000] [13550] [INFO] Worker exiting (pid: 13550)
[2016-09-30 17:42:59 +0000] [13555] [INFO] Parent changed, shutting down: <Worker 13555>
[2016-09-30 17:42:59 +0000] [13555] [INFO] Worker exiting (pid: 13555)
(RunningFast) ➜  RunningFast 
(RunningFast) ➜  RunningFast supervisorctl -c supervisor.conf restart runningfast
runningfast: ERROR (not running)
runningfast: started
(RunningFast) ➜  RunningFast supervisorctl -c supervisor.conf status             
runningfast                      RUNNING   pid 13616, uptime 0:00:08

去访问后:

以为没有log呢,实际上是有的:

(RunningFast) ➜  RunningFast tail logs/RunningFast.log 
[2016-09-29 16:14:01,051 DEBUG __init__.py:49 index] got into test root endpoint: /
[2016-09-29 16:19:12,254 DEBUG __init__.py:49 index] got into test root endpoint: /
[2016-09-29 16:19:18,428 DEBUG __init__.py:49 index] got into test root endpoint: /
[2016-09-29 16:20:00,590 DEBUG __init__.py:49 index] got into test root endpoint: /
[2016-09-29 16:21:06,838 DEBUG __init__.py:49 index] got into test root endpoint: /
[2016-09-29 16:24:50,871 DEBUG __init__.py:49 index] got into test root endpoint: /
[2016-09-29 16:44:17,852 DEBUG __init__.py:49 index] got into test root endpoint: /
[2016-09-30 17:40:41,088 DEBUG __init__.py:110 get] get for TaskListAPI
[2016-09-30 17:43:42,507 DEBUG __init__.py:110 get] get for TaskListAPI
[2016-09-30 17:43:43,413 DEBUG __init__.py:110 get] get for TaskListAPI
(RunningFast) ➜  RunningFast tail logs/gunicorn.log 
(RunningFast) ➜  RunningFast tail logs/gunicorn.err 
[2016-09-30 17:43:13 +0000] [13627] [INFO] Booting worker with pid: 13627
[2016-09-30 17:43:13 +0000] [13628] [INFO] Booting worker with pid: 13628

<div–<——————————————————————————

DEBUG in __init__ [/root/RunningFast/runningfast/__init__.py:110]:
get for TaskListAPI

<div–<——————————————————————————

<div–<——————————————————————————

DEBUG in __init__ [/root/RunningFast/runningfast/__init__.py:110]:
get for TaskListAPI

<div–<——————————————————————————

【总结】

之前是搞错了,是因为代码中没有去输出log,以为supervisor管理任务后就不输出log了。

实际上是有输出log的。

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