> Hi everyone, I'm currently setting a completly new Openstack virtual
> environment using NGINX/uWSGI and OpenStack Horizon dashboard (Django WSGI
> Python program).
>
> Last time that I tested it succesfully it was on a Debian Wheezy and
> OpenStack ESSEX version.
> Now and because I'm refreshing our infrastructure, we are using Fedora 19
> and OpenStack GRIZZLY.
>
> Because I'm a little bit floating off, and because the debian architecture
> was just a lab one, I forget to save the configurations and note some
> tricks that I performed to be able to have it well working.
>
> My problem here is that OpenStack doesn't import the
> openstack_dashboard.settings module correctly, it seems to be a PYTHONPATH
> problem for me but I can't get it.
>
> I did set an clean environnement like this:
>
> uWSGI 1.9 on *NODE01* server is starting correctly with:
>
> *Python version: 2.7.5 (default, Aug 22 2013, 09:31:58) [GCC 4.8.1
> 20130603 (Red Hat 4.8.1-1)]*
> *Python main interpreter initialized at 0x1a2fde0*
> *python threads support enabled*
> *your server socket listen backlog is limited to 100 connections*
> *your mercy for graceful operations on workers is 60 seconds*
> *mapped 518560 bytes (506 KB) for 16 cores*
> **** Operational MODE: preforking+threaded ****
> *added /home/uwsgi/containers/ to pythonpath.*
> *WSGI app 0 (mountpoint='') ready in 1 seconds on interpreter 0x1a2fde0
> pid: 27482 (default app)*
> *mountpoint already configured. skip.*
> **** uWSGI is running in multiple interpreter mode ****
> *spawned uWSGI master process (pid: 27482)*
> *spawned uWSGI worker 1 (pid: 27483, cores: 4)*
> *spawned uWSGI worker 2 (pid: 27484, cores: 4)*
> *spawned uWSGI worker 3 (pid: 27488, cores: 4)*
> *spawned uWSGI worker 4 (pid: 27492, cores: 4)*
>
> *Binary is under:*
>
> - */usr/local/uwsgi/uwsgi*
>
> *Configuration files are under:*
>
> - */etc/uwsgi/{core,vassals}/ *where core directory host the uWSGI main
> ini config (emperor.ini) and vassals directory host the uWSGI vassals
> configs like openstack_dashboard.ini.
>
> *Applications files are under:*
>
> - */home/uwsgi/containers/ *where all applications have their own
> subdirectory, so here in my exemple it means *
> /home/uwsgi/containers/openstack_dashboard/ *
>
>
> Now that we got the file system hierarchy, here is the content of the
> emperor.ini file and openstack_dashboard.ini file.
>
> *core/emperor.ini:*
> *
> *
> *[uwsgi]*
> *master = true*
> *enable-threads = true*
> *emperor-tyrant = true*
> *emperor = /etc/uwsgi/vassals*
> *socket = NODE01:3031*
> *workers = 4*
> *processes = 4*
> *threads = 4*
> *uid = uwsgi*
> *gid = uwsgi*
>
> Where *NODE01* is the hostname of the server
>
> *vassals/openstack_dashboard.ini:*
> *
> *
> [uwsgi]
> pythonpath = /home/uwsgi/containers
> chdir = /home/uwsgi/containers/openstack_dashboard/
> wsgi-file = /home/uwsgi/containers/openstack_dashboard/wsgi/django.wsgi
> env = DJANGO_SETTINGS_MODULE=openstack_dashboard.settings
> module = django.core.handlers.wsgi:WSGIHandler()
>
> Now that I've got my uWSGI binary, my configurations files etc, I try to
> run uWSGI and ask my NGINX server for my dashboard.domain.tld and I've a
> 500 Internal Server Error plus a Python stack claiming that it was not
> able
> to find a module.
>
> *ERROR:*
> *
> Traceback (most recent call last):
> File "/usr/lib/python2.7/site-packages/django/core/handlers/wsgi.py",
> line 236, in __call__
> self.load_middleware()
> File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py",
> line 45, in load_middleware
> for middleware_path in settings.MIDDLEWARE_CLASSES:
> File "/usr/lib/python2.7/site-packages/django/conf/__init__.py", line
> 53,
> in __getattr__
> self._setup(name)
> File "/usr/lib/python2.7/site-packages/django/conf/__init__.py", line
> 48,
> in _setup
> self._wrapped = Settings(settings_module)
> File "/usr/lib/python2.7/site-packages/django/conf/__init__.py", line
> 134, in __init__
> raise ImportError("Could not import settings '%s' (Is it on
> sys.path?):
> %s" % (self.SETTINGS_MODULE, e))
> ImportError: Could not import settings 'openstack_dashboard.settings' (Is
> it on sys.path?): No module named cinderclient
is python-cinderclient installed ?
--
Roberto De Ioris
http://unbit.it
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