注意要 按顺序 搭建服务，在 CentOS 7 安装 Openstack Rocky 版本 - 环境搭建 的基础上安装服务。
Image service - 镜像服务（Glance）
在 控制节点 安装，这里默认是将镜像存储在本地，之后安装了存储服务再进行修改
数据库配置
连接数据库
数据库操作
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CREATE DATABASE glance;
GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'localhost' IDENTIFIED BY 'mariadb-glance';
GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'%' IDENTIFIED BY 'mariadb-glance';
exit
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身份认证和 API 配置
创建用户 glance 并添加到 admin 角色
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. admin-openrc
openstack user create --domain default --password-prompt glance
openstack role add --project service --user glance admin
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创建服务实体和服务 API 端点
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openstack service create --name glance --description "OpenStack Image" image
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
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安装和配置 glance
安装软件包
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yum install openstack-glance -y
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修改配置文件 /etc/glance/glance-api.conf，配置文件中有些选项是没有的，需要直接添加到相应的小节
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| [database]
connection = mysql+pymysql://glance:mariadb-glance@controller/glance
[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 = glance
[paste_deploy]
flavor = keystone
[glance_store]
stores = file,http
default_store = file
filesystem_store_datadir = /var/lib/glance/images/
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修改另一个配置文件 /etc/glance/glance-registry.conf
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| [database]
connection = mysql+pymysql://glance:mariadb-glance@controller/glance
[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 = glance
[paste_deploy]
flavor = keystone
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启用镜像服务
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su -s /bin/sh -c "glance-manage db_sync" glance
systemctl enable openstack-glance-api.service openstack-glance-registry.service
systemctl start openstack-glance-api.service openstack-glance-registry.service
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验证
在 控制节点 上运行
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. admin-openrc
wget http://download.cirros-cloud.net/0.4.0/cirros-0.4.0-x86_64-disk.img
openstack image create "cirros" \
--file cirros-0.4.0-x86_64-disk.img \
--disk-format qcow2 --container-format bare \
--public
openstack image list
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参阅
