CentOS 7
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OpenStack Queens : Configure Glance2018/03/03
 
Install and Configure OpenStack Image Service (Glance).
This example is based on the emvironment like follows. 
                  eth0|10.0.0.30 
          +-----------+-----------+
          |    [ Control Node ]   |
          |                       |
          |  MariaDB    RabbitMQ  |
          |  Memcached  httpd     |
          |  Keystone   Glance    |
          +-----------------------+
[1] Add users and others for Glance in Keystone.
# add glance user (set in service project)

[root@dlp ~(keystone)]#
openstack user create --domain default --project service --password servicepassword glance 

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | b1da1070c8af427886d0202f8bbe414f |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 7c2975bc387f4b06ae520f87b70323f5 |
| name                | glance                           |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+
# add glance user in admin role

[root@dlp ~(keystone)]#
openstack role add --project service --user glance admin
# add service entry for glance

[root@dlp ~(keystone)]#
openstack service create --name glance --description "OpenStack Image service" image 

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Image service          |
| enabled     | True                             |
| id          | a86db0f6ad7341729deea1b2431c31b8 |
| name        | glance                           |
| type        | image                            |
+-------------+----------------------------------+
# define keystone host

[root@dlp ~(keystone)]#
export controller=10.0.0.30
# add endpoint for glance (public)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne image public http://$controller:9292 

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 92d272e025f34ae882e467a75cf8e3a7 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | a86db0f6ad7341729deea1b2431c31b8 |
| service_name | glance                           |
| service_type | image                            |
| url          | http://10.0.0.30:9292            |
+--------------+----------------------------------+
# add endpoint for glance (internal)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne image internal http://$controller:9292 

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 22e5b7a9357147c7a349d874ffdca2f5 |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | a86db0f6ad7341729deea1b2431c31b8 |
| service_name | glance                           |
| service_type | image                            |
| url          | http://10.0.0.30:9292            |
+--------------+----------------------------------+
# add endpoint for glance (admin)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne image admin http://$controller:9292 

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 72a3fe5941ac40a6803a8af33f8d0895 |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | a86db0f6ad7341729deea1b2431c31b8 |
| service_name | glance                           |
| service_type | image                            |
| url          | http://10.0.0.30:9292            |
+--------------+----------------------------------+
[2] Add a User and Database on MariaDB for Glance.
[root@dlp ~(keystone)]#
mysql -u root -p 

Enter password:
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 18
Server version: 10.1.20-MariaDB MariaDB Server

Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MariaDB [(none)]>
create database glance;

Query OK, 1 row affected (0.00 sec)
MariaDB [(none)]>
grant all privileges on glance.* to glance@'localhost' identified by 'password';

Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]>
grant all privileges on glance.* to glance@'%' identified by 'password';

Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]>
flush privileges;

Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]>
exit

Bye
[3] Install Glance.
# install from Queens, EPEL

[root@dlp ~(keystone)]#
yum --enablerepo=centos-openstack-queens,epel -y install openstack-glance
[4] Configure Glance.
[root@dlp ~(keystone)]#
mv /etc/glance/glance-api.conf /etc/glance/glance-api.conf.org

[root@dlp ~(keystone)]#
vi /etc/glance/glance-api.conf
# create new

[DEFAULT]
bind_host = 0.0.0.0

[glance_store]
stores = file,http
default_store = file
filesystem_store_datadir = /var/lib/glance/images/

[database]
# MariaDB connection info
connection = mysql+pymysql://glance:password@10.0.0.30/glance

# keystone auth info
[keystone_authtoken]
www_authenticate_uri = http://10.0.0.30:5000
auth_url = http://10.0.0.30:5000
memcached_servers = 10.0.0.30:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = glance
password = servicepassword

[paste_deploy]
flavor = keystone
[root@dlp ~(keystone)]#
mv /etc/glance/glance-registry.conf /etc/glance/glance-registry.conf.org

[root@dlp ~(keystone)]#
vi /etc/glance/glance-registry.conf
# create new

[DEFAULT]
bind_host = 0.0.0.0

[database]
# MariaDB connection info
connection = mysql+pymysql://glance:password@10.0.0.30/glance

# Keystone auth info
[keystone_authtoken]
www_authenticate_uri = http://10.0.0.30:5000
auth_url = http://10.0.0.30:5000
memcached_servers = 10.0.0.30:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = glance
password = servicepassword

[paste_deploy]
flavor = keystone
[root@dlp ~(keystone)]#
chmod 640 /etc/glance/glance-api.conf /etc/glance/glance-registry.conf

[root@dlp ~(keystone)]#
chown root:glance /etc/glance/glance-api.conf /etc/glance/glance-registry.conf
[root@dlp ~(keystone)]#
su -s /bin/bash glance -c "glance-manage db_sync"

[root@dlp ~(keystone)]#
systemctl start openstack-glance-api openstack-glance-registry

[root@dlp ~(keystone)]#
systemctl enable openstack-glance-api openstack-glance-registry

[5] If SELinux is enabled, change boolean settings.
[root@dlp ~(keystone)]#
setsebool -P glance_api_can_network on

[6] If Firewalld is running, allow ports for services.
[root@dlp ~(keystone)]#
firewall-cmd --add-port={9191/tcp,9292/tcp} --permanent

success
[root@dlp ~(keystone)]#
firewall-cmd --reload

success
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