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Glance – Image Service on Controller Node

Posted on October 9, 2020October 20, 2020 by sandeep

Create database and grant privileges (from MySQL prompt)

CREATE DATABASE glance;

GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'localhost' IDENTIFIED BY 'commonpass';

GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'%' IDENTIFIED BY 'commonpass';

FLUSH PRIVILEGES;

exit

Create glance user

. admin-openrc
openstack user create --domain default --password-prompt glance

Add the admin role to the glance user and service project

openstack role add --project service --user glance admin

Create the glance service entity

openstack service create --name glance --description "OpenStack Image" image

Create the Image service API endpoints

openstack endpoint create --region RegionOne image public http://controller:9292

openstack endpoint create --region RegionOne image internal http://controller:9292

openstack endpoint create --region RegionOne image admin http://controller:9292

Install package

apt install -y glance

Update the configuration in /etc/glance-api.conf

Change the connection configuration in [database] section to

[database]
connection = mysql+pymysql://glance:commonpass@controller/glance

Add the following configurations in respective sections (observed that all configuration by default were commented – so just adding these)

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

[keystone_authtoken]
www_authenticate_uri = http://controller:5000
auth_url = http://controller:5000
memcached_servers = controller:11211
auth_type = password
project_domain_name = Default
user_domain_name = Default
project_name = service
username = glance
password = commonpass

[paste_deploy]
flavor = keystone

Populate the service database

su -s /bin/sh -c "glance-manage db_sync" glance

Restart the Image services

service glance-api restart

Verify image service operations – Download and add an image to repository

wget http://download.cirros-cloud.net/0.4.0/cirros-0.4.0-x86_64-disk.img

. admin-openrc

glance image-create --name "cirros" --file cirros-0.4.0-x86_64-disk.img --disk-format qcow2 --container-format bare --visibility public
+------------------+----------------------------------------------------------------------------------+
| Property | Value |
+------------------+----------------------------------------------------------------------------------+
| checksum | 443b7623e27ecf03dc9e01ee93f67afe |
| container_format | bare |
| created_at | 2020-10-07T09:27:23Z |
| disk_format | qcow2 |
| id | 59924307-6b58-4bcf-8f8b-fb9666f5b2c6 |
| min_disk | 0 |
| min_ram | 0 |
| name | cirros |
| os_hash_algo | sha512 |
| os_hash_value | 6513f21e44aa3da349f248188a44bc304a3653a04122d8fb4535423c8e1d14cd6a153f735bb0982e |
| | 2161b5b5186106570c17a9e58b64dd39390617cd5a350f78 |
| os_hidden | False |
| owner | fff0b7a4d94448498d8703c8aa1a5d8b |
| protected | False |
| size | 12716032 |
| status | active |
| tags | [] |
| updated_at | 2020-10-07T09:27:23Z |
| virtual_size | Not available |
| visibility | public |
+------------------+----------------------------------------------------------------------------------+

glance image-list
+--------------------------------------+--------+
| ID | Name |
+--------------------------------------+--------+
| 59924307-6b58-4bcf-8f8b-fb9666f5b2c6 | cirros |
+--------------------------------------+--------+
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