OpenStack Pike : Configure Horizon2017/09/03

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 Pike, EPEL

[root@dlp ~(keystone)]#

yum --enablerepo=centos-openstack-pike,epel -y install openstack-dashboard

[2]	Configure Horizon.

[root@dlp ~(keystone)]#

vi /etc/openstack-dashboard/local_settings

# line 38: add Dashboard Host

ALLOWED_HOSTS = ['

dlp.srv.world

', 'localhost']

# line 64: uncomment like follows

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

# line 75: uncomment and change

OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT =

True

# line 97: uncomment

OPENSTACK_KEYSTONE_DEFAULT_DOMAIN = 'Default'

# line 162,163: change and add Memcache server

CACHES = {
    'default': {
        'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
        'LOCATION': '10.0.0.30:11211',
    },
}

# line 184-186: change like follows

OPENSTACK_HOST = "

10.0.0.30

"
OPENSTACK_KEYSTONE_URL = "http://%s:5000/

" % 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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