[Horizon] The summary of Horizon module

Basically Horizon is based on Django framework to be developed.

Install Horizon

To install the related packages for Horizon in Controller Node:

root@controller:~# apt-get -y install openstack-dashboard apache2 libapache2-mod-wsgi memcached python-memcache

Django setting 

Modify the file: /etc/openstack-dashboard/local_settings.py
Change the LOCATION's ip to controller's ip 

OPENSTACK_HOST = "controller"

# session ( default using memcached as session management )
CACHES = {
   'default': {
       'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
       'LOCATION': '192.168.22.5:11211',
   }
}

# Time zone
TIME_ZONE = "Asia/Taipei"

Restart the service

Restart apache & memcached：

root@controller:~# service apache2 restart
root@controller:~# service memcached restart

Reference

The following list and items are the the related information when I study Horizon.



Openstack introduction:

http://www.slideshare.net/ya790026/openstack-34821569

Trace python code:

https://github.com/ya790206/call_seq

OpenStack APIs and WSGI

http://www.slideshare.net/lhrc_mikeyp/openstack-apis-and-wsgi?next_slideshow=1

SWGI

http://www.slideshare.net/mingli.yuan/a-brief-introduce-to-wsgi?next_slideshow=2

Pyreverse : UML Diagrams for Python (Logilab.org)