OpenStack镜像服务基本操作
查询Glance服务状态
#glance-control all status
[root@controller ~]# glance-control all status glance-api (pid 2074) is running... glance-registry (pid 2344) is running... glance-scrubber is stopped
查询glance-api版本
# glance-api --version
[root@controller ~]# glance-api --version 2014.1.3
查询glance-control版本
# glance-control --version
[root@controller ~]# glance-control --version 2014.1.3
下面的命令作用是启动相关服务，并设置为开机启动。
# service openstack-glance-api start
# service openstack-glance-registry start
# chkconfig openstack-glance-api on
# chkconfig openstack-glance-registry on
下载CirrOS镜像文件
# mkdir /tmp/images
# cd /tmp/images/
# wget http://download.cirros-cloud.net/0.3.2/cirros-0.3.2-x86_64-disk.img
查看文件信息
# file cirros-0.3.4-x86_64-disk.img
[root@controller ~]# file cirros-0.3.4-x86_64-disk.img cirros-0.3.4-x86_64-disk.img: Qemu Image, Format: Qcow , Version: 2
使用命令行创建镜像
# glance image-create --name "cirros-0.3.4-x86_64-disk" --disk-format qcow2 --container-format bare --is-public True --progress < cirros-0.3.4-x86_64-disk.img
[root@controller ~]# glance image-create --name "cirros-0.3.4-x86_64-disk" --disk-format qcow2 --container-format bare --is-public True --progress < cirros-0.3.4-x86_64-disk.img [=============================>] 100% +------------------+--------------------------------------+ | Property | Value | +------------------+--------------------------------------+ | checksum | ee1eca47dc88f4879d8a229cc70a07c6 | | container_format | bare | | created_at | 2019-01-26T19:11:52 | | deleted | False | | deleted_at | None | | disk_format | qcow2 | | id | c0508642-29f2-4d57-b7ca-7417668e1908 | | is_public | True | | min_disk | 0 | | min_ram | 0 | | name | cirros-0.3.4-x86_64-disk | | owner | 18e38545a20f4fbb8dba8944118d43bc | | protected | False | | size | 13287936 | | status | active | | updated_at | 2019-01-26T19:11:52 | | virtual_size | None | +------------------+--------------------------------------+
创建成功后，可以登录界面，查看镜像信息
查看镜像列表
# glance image-list
[root@controller ~]# glance image-list +--------------------------------------+--------------------------+-------------+------------------+------------+--------+ | ID | Name | Disk Format | Container Format | Size | Status | +--------------------------------------+--------------------------+-------------+------------------+------------+--------+ | b3f9088f-ca51-4a03-ab9a-66e9c4baacce | cirros | qcow2 | bare | 13287936 | active | | c0508642-29f2-4d57-b7ca-7417668e1908 | cirros-0.3.4-x86_64-disk | qcow2 | bare | 13287936 | active | | b408a7da-7fff-4238-8f17-9e48f34553ef | cirros-test | qcow2 | bare | 22085632 | active | | c6e2e980-935c-4337-94ae-0595988065d2 | Cloud_Centos6.5_64bit | qcow2 | bare | 3028287488 | active | | 54e5faa2-2591-40de-89ce-4511623ce649 | Cloud_win7_64bit | qcow2 | bare | 7724400640 | active | +--------------------------------------+--------------------------+-------------+------------------+------------+--------+
查看镜像的详细信息
参数可以是镜像id或者镜像名称
# glance image-show Cloud_Centos6.5_64bit
[root@controller ~]# glance image-show Cloud_Centos6.5_64bit +------------------+--------------------------------------+ | Property | Value | +------------------+--------------------------------------+ | checksum | d6e6a71c69f1996350970489f9513402 | | container_format | bare | | created_at | 2019-01-22T10:48:31 | | deleted | False | | disk_format | qcow2 | | id | c6e2e980-935c-4337-94ae-0595988065d2 | | is_public | False | | min_disk | 0 | | min_ram | 0 | | name | Cloud_Centos6.5_64bit | | owner | 18e38545a20f4fbb8dba8944118d43bc | | protected | False | | size | 3028287488 | | status | active | | updated_at | 2019-01-22T10:51:16 | +------------------+--------------------------------------+
更改镜像
如果需要改变镜像启动硬盘最低要求值（min-disk）时，min-disk默认单位为G
更新镜像信息
# glance image-update --min-disk=1 cirros-0.3.4-x86_64-disk
[root@controller ~]# glance image-update --min-disk=1 cirros-0.3.4-x86_64-disk +------------------+--------------------------------------+ | Property | Value | +------------------+--------------------------------------+ | checksum | ee1eca47dc88f4879d8a229cc70a07c6 | | container_format | bare | | created_at | 2019-01-26T19:11:52 | | deleted | False | | deleted_at | None | | disk_format | qcow2 | | id | c0508642-29f2-4d57-b7ca-7417668e1908 | | is_public | True | | min_disk | 1 | | min_ram | 0 | | name | cirros-0.3.4-x86_64-disk | | owner | 18e38545a20f4fbb8dba8944118d43bc | | protected | False | | size | 13287936 | | status | active | | updated_at | 2019-01-26T19:26:36 | | virtual_size | None | +------------------+--------------------------------------+
删除镜像
# glance image-delete cirros-0.3.4-x86_64-disk
[root@controller ~]# glance image-delete cirros-0.3.4-x86_64-disk [root@controller ~]# [root@controller ~]# glance image-list +--------------------------------------+-----------------------+-------------+------------------+------------+--------+ | ID | Name | Disk Format | Container Format | Size | Status | +--------------------------------------+-----------------------+-------------+------------------+------------+--------+ | b3f9088f-ca51-4a03-ab9a-66e9c4baacce | cirros | qcow2 | bare | 13287936 | active | | b408a7da-7fff-4238-8f17-9e48f34553ef | cirros-test | qcow2 | bare | 22085632 | active | | c6e2e980-935c-4337-94ae-0595988065d2 | Cloud_Centos6.5_64bit | qcow2 | bare | 3028287488 | active | | 54e5faa2-2591-40de-89ce-4511623ce649 | Cloud_win7_64bit | qcow2 | bare | 7724400640 | active | +--------------------------------------+-----------------------+-------------+------------------+------------+--------+
end
