387 lines
10 KiB
ReStructuredText
387 lines
10 KiB
ReStructuredText
Install and configure
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~~~~~~~~~~~~~~~~~~~~~
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This section describes how to install and configure the Image service,
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code-named glance, on the controller node. For simplicity, this
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configuration stores images on the local file system.
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Prerequisites
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-------------
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Before you install and configure the Image service, you must
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create a database, service credentials, and API endpoints.
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#. To create the database, complete these steps:
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.. only:: ubuntu
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* Use the database access client to connect to the database
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server as the ``root`` user:
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.. code-block:: console
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# mysql
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.. end
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.. endonly
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.. only:: rdo or debian or obs
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* Use the database access client to connect to the database
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server as the ``root`` user:
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.. code-block:: console
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$ mysql -u root -p
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.. end
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.. endonly
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* Create the ``glance`` database:
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.. code-block:: console
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MariaDB [(none)] CREATE DATABASE glance;
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.. end
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* Grant proper access to the ``glance`` database:
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.. code-block:: console
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MariaDB [(none)] GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'localhost' \
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IDENTIFIED BY 'GLANCE_DBPASS';
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MariaDB [(none)] GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'%' \
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IDENTIFIED BY 'GLANCE_DBPASS';
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.. end
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Replace ``GLANCE_DBPASS`` with a suitable password.
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* Exit the database access client.
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#. Source the ``admin`` credentials to gain access to
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admin-only CLI commands:
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.. code-block:: console
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$ . admin-openrc
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.. end
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#. To create the service credentials, complete these steps:
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* Create the ``glance`` user:
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.. code-block:: console
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$ openstack user create --domain default --password-prompt glance
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User Password:
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Repeat User Password:
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+---------------------+----------------------------------+
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| Field | Value |
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+---------------------+----------------------------------+
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| domain_id | default |
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| enabled | True |
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| id | 3f4e777c4062483ab8d9edd7dff829df |
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| name | glance |
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| password_expires_at | None |
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+---------------------+----------------------------------+
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.. end
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* Add the ``admin`` role to the ``glance`` user and
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``service`` project:
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.. code-block:: console
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$ openstack role add --project service --user glance admin
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.. end
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.. note::
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This command provides no output.
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* Create the ``glance`` service entity:
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.. code-block:: console
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$ openstack service create --name glance \
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--description "OpenStack Image" image
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+-------------+----------------------------------+
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| Field | Value |
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+-------------+----------------------------------+
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| description | OpenStack Image |
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| enabled | True |
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| id | 8c2c7f1b9b5049ea9e63757b5533e6d2 |
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| name | glance |
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| type | image |
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+-------------+----------------------------------+
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.. end
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#. Create the Image service API endpoints:
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.. code-block:: console
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$ openstack endpoint create --region RegionOne \
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image public http://controller:9292
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+--------------+----------------------------------+
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| Field | Value |
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+--------------+----------------------------------+
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| enabled | True |
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| id | 340be3625e9b4239a6415d034e98aace |
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| interface | public |
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| region | RegionOne |
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| region_id | RegionOne |
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| service_id | 8c2c7f1b9b5049ea9e63757b5533e6d2 |
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| service_name | glance |
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| service_type | image |
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| url | http://controller:9292 |
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+--------------+----------------------------------+
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$ openstack endpoint create --region RegionOne \
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image internal http://controller:9292
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+--------------+----------------------------------+
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| Field | Value |
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+--------------+----------------------------------+
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| enabled | True |
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| id | a6e4b153c2ae4c919eccfdbb7dceb5d2 |
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| interface | internal |
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| region | RegionOne |
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| region_id | RegionOne |
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| service_id | 8c2c7f1b9b5049ea9e63757b5533e6d2 |
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| service_name | glance |
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| service_type | image |
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| url | http://controller:9292 |
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+--------------+----------------------------------+
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$ openstack endpoint create --region RegionOne \
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image admin http://controller:9292
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+--------------+----------------------------------+
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| Field | Value |
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+--------------+----------------------------------+
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| enabled | True |
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| id | 0c37ed58103f4300a84ff125a539032d |
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| interface | admin |
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| region | RegionOne |
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| region_id | RegionOne |
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| service_id | 8c2c7f1b9b5049ea9e63757b5533e6d2 |
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| service_name | glance |
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| service_type | image |
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| url | http://controller:9292 |
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+--------------+----------------------------------+
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.. end
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Install and configure components
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--------------------------------
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.. include:: shared/note_configuration_vary_by_distribution.rst
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.. only:: obs
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#. Install the packages:
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.. code-block:: console
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# zypper install openstack-glance \
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openstack-glance-api openstack-glance-registry
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.. end
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.. endonly
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.. only:: rdo
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#. Install the packages:
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.. code-block:: console
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# yum install openstack-glance
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.. end
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.. endonly
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.. only:: ubuntu or debian
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#. Install the packages:
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.. code-block:: console
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# apt install glance
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.. end
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.. endonly
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2. Edit the ``/etc/glance/glance-api.conf`` file and complete the
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following actions:
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* In the ``[database]`` section, configure database access:
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.. path /etc/glance/glance.conf
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.. code-block:: ini
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[database]
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# ...
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connection = mysql+pymysql://glance:GLANCE_DBPASS@controller/glance
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.. end
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Replace ``GLANCE_DBPASS`` with the password you chose for the
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Image service database.
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* In the ``[keystone_authtoken]`` and ``[paste_deploy]`` sections,
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configure Identity service access:
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.. path /etc/glance/glance.conf
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.. code-block:: ini
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[keystone_authtoken]
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# ...
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auth_uri = http://controller:5000
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auth_url = http://controller:35357
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memcached_servers = controller:11211
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auth_type = password
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project_domain_name = default
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user_domain_name = default
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project_name = service
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username = glance
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password = GLANCE_PASS
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[paste_deploy]
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# ...
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flavor = keystone
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.. end
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Replace ``GLANCE_PASS`` with the password you chose for the
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``glance`` user in the Identity service.
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.. note::
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Comment out or remove any other options in the
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``[keystone_authtoken]`` section.
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* In the ``[glance_store]`` section, configure the local file
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system store and location of image files:
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.. path /etc/glance/glance.conf
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.. code-block:: ini
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[glance_store]
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# ...
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stores = file,http
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default_store = file
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filesystem_store_datadir = /var/lib/glance/images/
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.. end
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3. Edit the ``/etc/glance/glance-registry.conf`` file and complete
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the following actions:
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* In the ``[database]`` section, configure database access:
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.. path /etc/glance/glance-registry.conf
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.. code-block:: ini
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[database]
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# ...
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connection = mysql+pymysql://glance:GLANCE_DBPASS@controller/glance
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.. end
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Replace ``GLANCE_DBPASS`` with the password you chose for the
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Image service database.
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* In the ``[keystone_authtoken]`` and ``[paste_deploy]`` sections,
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configure Identity service access:
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.. path /etc/glance/glance-registry.conf
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.. code-block:: ini
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[keystone_authtoken]
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# ...
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auth_uri = http://controller:5000
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auth_url = http://controller:35357
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memcached_servers = controller:11211
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auth_type = password
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project_domain_name = default
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user_domain_name = default
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project_name = service
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username = glance
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password = GLANCE_PASS
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[paste_deploy]
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# ...
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flavor = keystone
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.. end
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Replace ``GLANCE_PASS`` with the password you chose for the
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``glance`` user in the Identity service.
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.. note::
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Comment out or remove any other options in the
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``[keystone_authtoken]`` section.
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.. only:: rdo or ubuntu or debian
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4. Populate the Image service database:
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.. code-block:: console
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# su -s /bin/sh -c "glance-manage db_sync" glance
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.. end
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.. note::
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Ignore any deprecation messages in this output.
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.. endonly
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Finalize installation
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---------------------
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.. only:: obs or rdo
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* Start the Image services and configure them to start when
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the system boots:
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.. code-block:: console
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# systemctl enable openstack-glance-api.service \
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openstack-glance-registry.service
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# systemctl start openstack-glance-api.service \
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openstack-glance-registry.service
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.. end
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.. endonly
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.. only:: ubuntu or debian
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#. Restart the Image services:
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.. code-block:: console
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# service glance-registry restart
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# service glance-api restart
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.. end
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.. endonly
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