OpenStack Yoga : Configure Horizon2022/04/04

	Configure OpenStack Dashboard Service (Horizon). It's possible to control OpenStack on Web GUI to set Dashboard.
[1]	Install Horizon.

root@dlp ~(keystone)#

apt -y install openstack-dashboard

[2]	Configure Horizon.

root@dlp ~(keystone)#

vi /etc/openstack-dashboard/local_settings.py

# line 99 : change Memcache server

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

# line 113 : add

SESSION_ENGINE = "django.contrib.sessions.backends.cache"

# line 126 : set Openstack Host

# line 127 : comment out and add a line to specify URL of Keystone Host

OPENSTACK_HOST = "

10.0.0.30

OPENSTACK_KEYSTONE_URL = "http://%s/identity/v3" % OPENSTACK_HOST

OPENSTACK_KEYSTONE_URL = "http://10.0.0.30:5000/v3"

# line 131 : set your timezone

TIME_ZONE = "

Asia/Tokyo

# add to the end

OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT = True
OPENSTACK_KEYSTONE_DEFAULT_DOMAIN = 'Default'

root@dlp ~(keystone)#

chgrp nova /etc/nova/policy.json

root@dlp ~(keystone)#

chmod 640 /etc/nova/policy.json

root@dlp ~(keystone)#

systemctl restart apache2 nova-api

[3]

Access to the URL below with any web browser.
⇒ http://(Dashboard server's hostname or IP address)/horizon/

After accessing, following screen is displayed, then you can login with a user in Keystone.
It's possible to use all features if you login with [admin] user when you set it on keystone bootstrap.
If you login with a common user, it's possible to use or manage own instances.

[4]	After login successfully, following screen is displayed (with common user). You can control Openstack on this Dashboard.

[5]	To confirm own instances, Click [Instances] on the left pane, then they are diplayed on the right. It's possible to confirm details of instance to click an instance name.

[6]	The details of instance is displayed. To Click [Console] tab, it's possible to access to instance console.

[7]	On instance console, it's possible to operate instance on Dashboard web.

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