08.存储Cinder→5.场景学习→06.Delete Volume

时间 2019-12-01

标签存储 cinder 场景学习 06.delete delete 繁體版

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背景：

状态为 Available 的 volume 才可以被 delete
若是 volume 当前已经 attach 到 instance，须要先 detach 后才能 delete。

描述

详细

向 cinder-api 发送 delete 请求

客户（能够是 OpenStack 最终用户，也能够是其余程序）向 cinder-api 发送请求：“请 delete 指定的 volume。”
这里咱们将 delete volume “vol-1”。进入 GUI 操做菜单 Project -> Volumes -> Volumes。

cinder-api 将接收到 delete volume 的请求。查看c-api日志文件：

Jun 20 19:30:25 controller devstack@c-api.service[31309]: 
INFO cinder.api.openstack.wsgi 
[None req-03b18f0a-eee4-4855-ad8c-a0dfc4fa068f admin admin] 
DELETE http://172.16.1.17/volume/v3/51743f081cb7477f9a1f4ccdf6490d8e/
volumes/f0a54ac7-5423-4794-8883-d753f6a903cd

Jun 20 19:30:25 controller devstack@c-api.service[31309]: 
INFO cinder.api.v3.volumes 
[None req-03b18f0a-eee4-4855-ad8c-a0dfc4fa068f admin admin] 
Delete volume with id: f0a54ac7-5423-4794-8883-d753f6a903cd

cinder-api 发送消息

cinder-api 发送消息 delete 消息。cinder-api 没有打印发送消息的日志，只能经过源代码查看 /opt/stack/cinder/cinder/volume/api.py，方法为 delete。

cinder-volume delete volume

cinder-volume 执行 lvremove 命令 delete volume

Jun 20 19:30:27 controller cinder-volume[304]: 
DEBUG oslo_concurrency.processutils 
[None req-03b18f0a-eee4-4855-ad8c-a0dfc4fa068f admin None] 
CMD "sudo cinder-rootwrap /etc/cinder/rootwrap.conf lvremove --config activation { retry_deactivation = 1} 
 -f stack-volumes-lvmdriver-1/volume-f0a54ac7-5423-4794-8883-d753f6a903cd" returned: 0 in 1.107s 
{{(pid=460) execute /usr/local/lib/python2.7/dist-packages/oslo_concurrency/processutils.py:409

Jun 20 19:30:27 controller cinder-volume[304]: I
NFO cinder.volume.drivers.lvm 
[None req-03b18f0a-eee4-4855-ad8c-a0dfc4fa068f admin None] 
Successfully deleted volume: f0a54ac7-5423-4794-8883-d753f6a903cd