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=============================================================
Install and configure for Red Hat Enterprise Linux and CentOS
=============================================================
This section describes how to install and configure the dashboard
on the controller node.
The only core service required by the dashboard is the Identity service.
You can use the dashboard in combination with other services, such as
Image service, Compute, and Networking. You can also use the dashboard
in environments with stand-alone services such as Object Storage.
.. note::
This section assumes proper installation, configuration, and operation
of the Identity service using the Apache HTTP server and Memcached
service.
Install and configure components
--------------------------------
.. include:: note_configuration_vary_by_distribution.txt
1. Install the packages:
.. code-block:: console
# yum install openstack-dashboard
.. end
2. Edit the
``/etc/openstack-dashboard/local_settings``
file and complete the following actions:
* Configure the dashboard to use OpenStack services on the
``controller`` node:
.. path /etc/openstack-dashboard/local_settings
.. code-block:: python
OPENSTACK_HOST = "controller"
.. end
* Allow your hosts to access the dashboard:
.. path /etc/openstack-dashboard/local_settings
.. code-block:: python
ALLOWED_HOSTS = ['one.example.com', 'two.example.com']
.. end
.. note::
ALLOWED_HOSTS can also be ['*'] to accept all hosts. This may be
useful for development work, but is potentially insecure and should
not be used in production. See
https://docs.djangoproject.com/en/dev/ref/settings/#allowed-hosts
for further information.
* Configure the ``memcached`` session storage service:
.. path /etc/openstack-dashboard/local_settings
.. code-block:: python
SESSION_ENGINE = 'django.contrib.sessions.backends.cache'
CACHES = {
'default': {
'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
'LOCATION': 'controller:11211',
}
}
.. end
.. note::
Comment out any other session storage configuration.
* Enable the Identity API version 3:
.. path /etc/openstack-dashboard/local_settings
.. code-block:: python
OPENSTACK_KEYSTONE_URL = "http://%s/identity/v3" % OPENSTACK_HOST
.. end
.. note::
In case your keystone run at 5000 port then you would mentioned
keystone port here as well i.e.
OPENSTACK_KEYSTONE_URL = "http://%s:5000/identity/v3" % OPENSTACK_HOST
* Enable support for domains:
.. path /etc/openstack-dashboard/local_settings
.. code-block:: python
OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT = True
.. end
* Configure API versions:
.. path /etc/openstack-dashboard/local_settings
.. code-block:: python
OPENSTACK_API_VERSIONS = {
"identity": 3,
"image": 2,
"volume": 3,
}
.. end
* Configure ``Default`` as the default domain for users that you create
via the dashboard:
.. path /etc/openstack-dashboard/local_settings
.. code-block:: python
OPENSTACK_KEYSTONE_DEFAULT_DOMAIN = "Default"
.. end
* Configure ``user`` as the default role for
users that you create via the dashboard:
.. path /etc/openstack-dashboard/local_settings
.. code-block:: python
OPENSTACK_KEYSTONE_DEFAULT_ROLE = "user"
.. end
* If you chose networking option 1, disable support for layer-3
networking services:
.. path /etc/openstack-dashboard/local_settings
.. code-block:: python
OPENSTACK_NEUTRON_NETWORK = {
...
'enable_router': False,
'enable_quotas': False,
'enable_distributed_router': False,
'enable_ha_router': False,
'enable_fip_topology_check': False,
}
.. end
* Optionally, configure the time zone:
.. path /etc/openstack-dashboard/local_settings
.. code-block:: python
TIME_ZONE = "TIME_ZONE"
.. end
Replace ``TIME_ZONE`` with an appropriate time zone identifier.
For more information, see the `list of time zones
<https://en.wikipedia.org/wiki/List_of_tz_database_time_zones>`__.
3. Add the following line to
``/etc/httpd/conf.d/openstack-dashboard.conf`` if not included.
.. code-block:: none
WSGIApplicationGroup %{GLOBAL}
Finalize installation
---------------------
* Restart the web server and session storage service:
.. code-block:: console
# systemctl restart httpd.service memcached.service
.. end
.. note::
The ``systemctl restart`` command starts each service if
not currently running.
|
