ops-install-service-openstack_glance

Glance是OpenStack的镜像服务，负责用户虚拟机镜像的发现，注册和获取。

安装 Glance 服务

本文

预配置

• 安装 boto3 模块

  apt install -y python3-pip
  pip install boto3

• 创建数据库用户

  create database glance;
  grant all privileges on glance.* to 'glance'@'%' identified by 'glance_dbpass';

• 引用环境变量

  source /opt/data/openstack/admin_openrc

• 创建 Glance 服务相关的鉴权信息

  openstack user create --domain default --password-prompt glance  # 输入 glance 的密码
  openstack role add --project service --user glance admin

• 创建 Glance 的服务对象和 api 节点

  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

安装 Glance

• 安装

  apt install -y glance

• 修改配置文件

  vim /etc/glance/glance-api.conf

  [database]
  connection = mysql+pymysql://glance:glance_dbpass@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_pass
  
  [paste_deploy]
  flavor = keystone
   
  [glance_store]
  stores = file,http
  default_store = file
  filesystem_store_datadir = /var/lib/glance/images

• 初始化数据库

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

• 启动服务

  systemctl restart glance-api