OpenStack Ocata : Configure Horizon

Configure OpenStack Dashboard Service (Horizon). It's possible to control OpenStack on Web GUI to set Dashboard. This example is based on the emvironment like follows. eth0|10.0.0.30 +-----------+-----------+ | [ Control Node ] | | | | MariaDB RabbitMQ | | Memcached httpd | | Keystone Glance | | Nova API Horizon | +-----------------------+

[1]	Install Horizon.

# install from Ocata, EPEL [root@dlp ~(keystone)]#  yum --enablerepo=centos-openstack-ocata,epel -y install openstack-dashboard

[2]	Configure Horizon.

[root@dlp ~(keystone)]#  vi /etc/openstack-dashboard/local_settings # line 28: add Dashboard Host ALLOWED_HOSTS = [' dlp.srv.world ', 'localhost'] # line 54: uncomment like follows OPENSTACK_API_VERSIONS = { # "data-processing": 1.1, "identity": 3, "volume": 2, "compute": 2, } # line 65: uncomment and change OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT =  True # line 73: uncomment OPENSTACK_KEYSTONE_DEFAULT_DOMAIN = 'Default' # line 138,139: change & add Memcache server CACHES = { 'default': { 'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache', 'LOCATION': '10.0.0.30:11211', }, } # line 161-163: change like follows OPENSTACK_HOST = " 10.0.0.30 " OPENSTACK_KEYSTONE_URL = "http://%s:5000/ v3 " % OPENSTACK_HOST OPENSTACK_KEYSTONE_DEFAULT_ROLE = " user " [root@dlp ~(keystone)]#  systemctl restart httpd memcached

[3]	If SELinux is enabled, change boolean settings.

[root@dlp ~(keystone)]#  setsebool -P httpd_can_network_connect on

[4]	If Firewalld is running, allow services.

[root@dlp ~(keystone)]#  firewall-cmd --add-service={http,https} --permanent  success [root@dlp ~(keystone)]#  firewall-cmd --reload  success

[5]	Access to the URL below with web browser. ⇒ http://(server's hostname or IP address)/dashboard/  After accessing, following screen is displayed, then login with the admin user and password (you set it on keystone bootstrap).

[6]	If it's OK to login normally, following screen is displayed. You can control Openstack on this Dashboard.

[7]	To access an instance, Click [Instances] on the left menu. Then, instances' list is shown on the right, next Click the name of instance you'd like to access.

[8]	The description of instance is shown, next, Click [Console] tab.

[9]	The console of instance is shown. You can operate instances on here.