[Bug 1584040] Re: Horizon wsgi can run in the wrong WSGIProcessGroup

[James Page]

** Changed in: cloud-archive
       Status: New => Fix Committed

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https://bugs.launchpad.net/bugs/1584040

Title:
  Horizon wsgi can run in the wrong WSGIProcessGroup

Status in Ubuntu Cloud Archive:
  Fix Committed
Status in Ubuntu Cloud Archive icehouse series:
  New
Status in Ubuntu Cloud Archive kilo series:
  New
Status in Ubuntu Cloud Archive liberty series:
  New
Status in Ubuntu Cloud Archive mitaka series:
  New
Status in Ubuntu Cloud Archive newton series:
  Fix Committed
Status in horizon package in Ubuntu:
  Fix Released
Status in horizon source package in Trusty:
  New
Status in horizon source package in Wily:
  New
Status in horizon source package in Xenial:
  New
Status in horizon source package in Yakkety:
  Fix Released

Bug description:
  Horizon wsgi can run in the wrong WSGIProcessGroup when multiple
  WSGIProcessGroup are defined. Typically with the 2 following
  configurations enabled on apache2:

  # /etc/apache2/conf-enabled/openstack-dashboard.conf
     WSGIScriptAlias /horizon /usr/share/openstack-dashboard/openstack_dashboard/wsgi/django.wsgi
     WSGIDaemonProcess horizon user=horizon group=horizon processes=3 threads=10
     WSGIProcessGroup horizon
     Alias /static /usr/share/openstack-dashboard/openstack_dashboard/static/
     Alias /horizon/static /usr/share/openstack-dashboard/openstack_dashboard/static/
     <Directory /usr/share/openstack-dashboard/openstack_dashboard/wsgi>
       Order allow,deny
       Allow from all
     </Directory>

  # /etc/apache2/conf-enabled/wsgi.conf
     WSGIScriptAlias /mywsgi /usr/share/mywsgi/.. process-group=mywsgi
     WSGIDaemonProcess mywsgi user=mywsgi group=mywsgi processes=5 threads=10
     WSGIProcessGroup mywsgi
     <Directory /usr/share/mywsgi>
       Order allow,deny
       Allow from all
     </Directory>

  Nothing ensures that Horizon wsgi will run in "horizon"
  WSGIProcessGroup.

  
  To ensure it we should use:
     WSGIScriptAlias /horizon /usr/share/openstack-dashboard/openstack_dashboard/wsgi/django.wsgi processes-group=horizon
  instead of:
     WSGIScriptAlias /horizon /usr/share/openstack-dashboard/openstack_dashboard/wsgi/django.wsgi

  
  It affects my Kilo openstack-dashboard on Trusty BUT should affect every openstack-dashboard on every ubuntu

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