CentOS 7
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OpenStack Newton : Configure Horizon
2016/10/22
 
Configure OpenStack Dashboard Service (Horizon).
It's possible to control OpenStack on Web GUI to set Dashboard.
[1] Install Horizon.
# install from Newton, EPEL

[root@dlp ~(keystone)]#
yum --enablerepo=centos-openstack-newton,epel -y install openstack-dashboard
[2] Configure Dashboard.
[root@dlp ~(keystone)]#
vi /etc/openstack-dashboard/local_settings
# line 29: add Dashboard Host

ALLOWED_HOSTS = ['
dlp.srv.world
', 'localhost']
# line 55: uncomment like follows

OPENSTACK_API_VERSIONS = {
#    "data-processing": 1.1,
    "identity": 3,
    "volume": 2,
    "compute": 2,
}
# line 74: uncomment

OPENSTACK_KEYSTONE_DEFAULT_DOMAIN = 'default'
# line 140: add Memcache server

CACHES = {
    'default': {
        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
        '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.
 
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