celery 守护进程部署之后 django 项目所遇问题 - V2EX
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fanne
V2EX    Django

celery 守护进程部署之后 django 项目所遇问题

  •  
  •   fanne 2017-04-07 19:50:12 +08:00 5193 次点击
    这是一个创建于 3160 天前的主题,其中的信息可能已经有所发展或是发生改变。

    部署 celery 的守护进程

    参考资料: http://docs.celeryproject.org/en/latest/userguide/daemonizing.html#daemonizing

    拷贝这个文件( https://github.com/celery/celery/blob/3.1/extra/generic-init.d/celeryd )内容到 /etc/init.d/celeryd

    编写项目的 celery 配置文件/etc/default/celeryd

    cat /etc/default/celeryd CELERYD_NODES="djangoCelery1" CELERY_BIN="/usr/local/python27/bin/celery" CELERY_APP="ansible_ops" CELERYD_CHDIR="/my/project" CELERYD_OPTS="--time-limit=300 --cOncurrency=4" CELERY_LOG_LEVEL="DEBUG" CELERYD_LOG_FILE="/var/log/celery/%n%I.log" CELERYD_PID_FILE="/var/run/celery/%n.pid" CELERYD_USER="root" CELERYD_GROUP="root" CELERY_CREATE_DIRS=1 

    启动后一些日志输出:

    [2017-04-07 19:36:50,601: INFO/MainProcess] Received task: items.views.call_shell[c5b52a72-f6da-4b32-8f4e-3b843601f5cc] [2017-04-07 19:44:39,190: INFO/MainProcess] Connected to redis://localhost:6379/0 [2017-04-07 19:44:39,197: INFO/MainProcess] mingle: searching for neighbors [2017-04-07 19:44:40,213: INFO/MainProcess] mingle: all alone [2017-04-07 19:44:40,226: WARNING/MainProcess] /usr/local/python27/lib/python2.7/site-packages/celery/fixups/django.py:202: UserWarning: Using settings.DEBUG leads to a memory leak, never use this setting in production environments! warnings.warn('Using settings.DEBUG leads to a memory leak, never ' 

    这个算是把 celery 用守护进程部署好了。

    django 直接用 python manage.py runserver 启动在 console 控制台上。

    用守护进程部署好 celery 后所遇到以下问题 django 的代码片段

    @celery_app.task def call_shell(ipList,add_ipList,shell_dir,shell_file): nowTime = time.strftime('%Y-%m-%d_%H-%M-%S', time.localtime(time.time())) print 'dddddddddddddddddddddddddddddd' print 'dddddddddddddddddddddddddddddd' print nowTime shell_log = 'static/searchlog/add_game_log_%s.txt' % nowTime os.popen(r"echo %s >> %s" % (ipList, add_ipList)) p = Popen("cd %s;/bin/sh %s" % (shell_dir, shell_file),stdout=PIPE,stderr=STDOUT,shell=True,bufsize=1) for line in iter(p.stdout.readline,b''): shell_log.write(line) print line p.stdout.close() os.popen(r"/bin/sed -i '$d' %s" % add_ipList) 

    当 celery 用守护进程部署好之后,代码里的

    nowTime = time.strftime('%Y-%m-%d_%H-%M-%S', time.localtime(time.time())) print 'dddddddddddddddddddddddddddddd' print 'dddddddddddddddddddddddddddddd' print nowTime 

    在 console 里和 celery 的日志里都没看到这些 print 信息,然后 shell_log 文件也没有生成。

    这是什么个情况的

    5 条回复    2017-04-08 11:24:39 +08:00
    jkmmmm
        1
    jkmmmm  
       2017-04-08 08:16:45 +08:00
    你从其他地方调用这个 call_shell 没?另外 console 和 celery 日志里就不应该有这些信息吧,用用 logging 模块。
    HFcbyqP0iVO5KM05
        2
    HFcbyqP0iVO5KM05  
       2017-04-08 09:35:23 +08:00 via Android
    print 的东西只有在 celery 控制台才看得到的吧,而且还要设置 --loglevel=info
    然后你再去看看 error log
    fanne
        3
    fanne  
    OP
       2017-04-08 10:05:04 +08:00
    @jkmmmm 是在其他地方调用了这个 call_shell 内容的
    call_shell.delay(ipList,add_ipList,shell_dir,shell_file)
    fanne
        4
    fanne  
    OP
       2017-04-08 10:07:08 +08:00
    @gulu
    日志没打印出来,然后我的一个文件也没有生成的
    nowTime = time.strftime('%Y-%m-%d_%H-%M-%S', time.localtime(time.time()))
    shell_log = 'static/searchlog/add_game_log_%s.txt' % nowTime
    正常来说应该会根据调用这个 call_shell 的时候时间生成的一个 shell_log 的文件
    for line in iter(p.stdout.readline,b''):
    shell_lg.write(line)
    p.stdout.close()

    然后通过 shell_log.write(line)写入到 shell_log 这个文件,但也没有生成。
    fanne
        5
    fanne  
    OP
       2017-04-08 11:24:39 +08:00
    @gulu @jkmmmm 是我太大意了,代码问题
    shell_log = 'static/searchlog/add_game_log_%s.txt' % nowTime
    %nowTime 中间带了个空格,下面一些也是,都带了空格了,改正了一下就正常了。
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