Heroku(Django)上的redis_url的字符串,而不是urlparse.ParseResult

问题描述 投票:1回答:3

非常感谢有经验的人将redis配置为heroku上的芹菜经纪人django项目的后端的经验。我的任务调度在本地主机上运行良好,但是我发现将其部署在heroku上确实令人沮丧:

  • 目前,我正在运行3个dynos,1个web,1个调度程序和1个worker
  • 我将redistogo插件添加到了我的项目中。 Redistogo设置为免费的nano计划,这给了我10个连接,1个DB和5MB大小的实例]
  • 我遵循redistogo文档(https://devcenter.heroku.com/articles/redistogo#install-redis-in-python)来配置settings.py,或者,还尝试实现解决方案here的变体。都不为我工作。这是我在settings.py中拥有的东西:

     redis_url = os.environ.get('REDISTOGO_URL', 'http://localhost:6959')
    
     CACHES = {
            'default': {
            'BACKEND': 'redis_cache.RedisCache',,
            'LOCATION': '%s:%s' % (redis_url.hostname, redis_url.port),
            'OPTIONS': {
                'DB': 0,   # or 1?
                'PASSWORD': redis_url.password,
                #'PARSER_CLASS': 'redis.connection.HiredisParser'
            },
        },
     }
    
    CELERY_RESULT_BACKEND = redis_url
    BROKER_URL = 'redis://localhost:6959/0'
    

[当我尝试运行该应用时,这是我的heroku日志:

2013-07-11T12:16:10.998516+00:00 app[web.1]:     apps = settings.INSTALLED_APPS
2013-07-11T12:16:10.998516+00:00 app[web.1]:     mod = importlib.import_module(self.SETTINGS_MODULE)
2013-07-11T12:16:10.998263+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/__init__.py", line 392, in execute
2013-07-11T12:16:10.998263+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/__init__.py", line 263, in fetch_command
2013-07-11T12:16:10.998516+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/django/conf/__init__.py", line 53, in __getattr__
2013-07-11T12:16:10.998516+00:00 app[web.1]:     self._setup(name)
2013-07-11T12:16:10.998516+00:00 app[web.1]:     self._wrapped = Settings(settings_module)
2013-07-11T12:16:10.998516+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/django/conf/__init__.py", line 132, in __init__
2013-07-11T12:16:10.998516+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/django/utils/importlib.py", line 35, in import_module
2013-07-11T12:16:10.998516+00:00 app[web.1]:   File "/app/.heroku/python/lib/python2.7/site-packages/django/conf/__init__.py", line 48, in _setup
2013-07-11T12:16:10.998712+00:00 app[web.1]:     'LOCATION': '%s:%s' % (redis_url.hostname, redis_url.port),
2013-07-11T12:16:10.998712+00:00 app[web.1]: AttributeError: 'str' object has no attribute 'hostname'
2013-07-11T12:16:12.201202+00:00 heroku[web.1]: Process exited with status 1
2013-07-11T12:16:12.250743+00:00 heroku[web.1]: State changed from starting to crashed

我如何将redis_url当作URI而不是str对待?

我的procfile:

web: python manage.py run_gunicorn -b 0.0.0.0:$PORT -w 3 --log-level info
scheduler: python manage.py celeryd -B -E
worker: python manage.py celeryd -E -B --loglevel=INFO

在要求中,我有django-redis-cache == 0.10.0,redis == 2.7.6,django-celery == 3.0.17,celery celery == 3.0.20和kombu == 2.5.12

django heroku redis celery
3个回答
0
投票

看起来像os.environ.get返回一个字符串(或str?对Python不熟悉),并且您期望它更像URI对象或其他东西。普通的python字符串会响应hostname之类的方法吗?

The documentation也有此步骤:

redis = redis.from_url(redis_url)

[将字符串解析为redis对象的according to these docs


0
投票

我对自己的解决方案并不十分满意,但是我对redistogo主机名,端口和密码进行了硬编码,现在一切运行顺利。


0
投票

使用python urlparse库。它将URL解析为组件。

redis_url = os.environ.get('REDISTOGO_URL', 'http://localhost:6959')    
redis_url = urlparse.urlparse(redis_url)
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