08.存储Cinder→5.场景学习→12.Ceph Volume Provider→5.Detach Volume

最新推荐文章于 2021-10-25 23:15:33 发布

转载最新推荐文章于 2021-10-25 23:15:33 发布 · 76 阅读

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原文链接：http://www.cnblogs.com/LeisureZhao/p/11185609.html

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背景：

vol-1：

c1-1：

描述

详细

将ceph volume type的volume attach到instance c1上

我们重点关注nova-compute 如何将vol-1从c1上detach。查看nova-compute日志
1. 通过curl请求获得volume。

Jun 27 19:41:54 controller nova-compute[7060]: 
INFO nova.compute.manager 

[None req-6073abe1-b6a6-4f69-b940-8e69d66a6ad7 admin admin] 

[instance: f092dfe4-365b-4dd6-8867-76a311399782]

Jun 27 19:41:54 controller nova-compute[7060]: 
DEBUG cinderclient.v3.client 

[None req-6073abe1-b6a6-4f69-b940-8e69d66a6ad7 admin admin] 
 -g -i -X GET  -H "OpenStack-API-Version: volume 3.48" -H 
"User-Agent: python-cinderclient" -H "X-OpenStack-Request-ID: 
req-6073abe1-b6a6-4f69-b940-8e69d66a6ad7" -H "Accept: application/json" 
-H "X-Auth-Token: {SHA1}47e5ca14354428cab7b8095abe1d6420c8df9553" 

{{(pid=7060) _http_log_request /usr/local/lib/python2.7/dist-packages/keystoneauth1/session.py:372

Jun 27 19:41:54 controller nova-compute[7060]: 
: {"": {"migration_status": null, "provider_id": null, "attachments":

[{"server_id": "f092dfe4-365b-4dd6-8867-76a311399782", "attachment_id":

"b030252b-a04d-4cc7-b682-b3a38c1e8937",

"attached_at": "2019-06-27T07:34:09.000000", "host_name": "controller", "volume_id":

"823dfaa9-a41c-4df7-a165-30db20b5b1c7",

"device": "/dev/vdb", "id": "823dfaa9-a41c-4df7-a165-30db20b5b1c7"}],

"links": [{"href": "http://172.16.1.17/volume/v3/c1e57b427f934cadbe32750b1b8ccfd8/volumes

/823dfaa9-a41c-4df7-a165-30db20b5b1c7", "rel": "self"}, {"href": "http://172.16.1.17/volume/

c1e57b427f934cadbe32750b1b8ccfd8/volumes/823dfaa9-a41c-4df7-a165-30db20b5b1c7", "rel": "bookmark"}],

"availability_zone": "nova", "os-vol-host-attr:host": "controller@ceph#ceph", "encrypted": false,

"updated_at": "2019-06-27T11:41:54.000000", "replication_status": null, "snapshot_id": null, "id":

"823dfaa9-a41c-4df7-a165-30db20b5b1c7", "size": 1, "user_id": "7a2243af10174653931f76c748209551",

"os-vol-tenant-attr:tenant_id": "c1e57b427f934cadbe32750b1b8ccfd8", "os-vol-mig-status-attr:migstat":

null, "metadata": {"attached_mode": "rw"}, "status": "detaching", "description": "", "multiattach":

false, "service_uuid": "a01f1424-3912-4b36-88e0-7fd8e1d5310a", "source_volid": null, "consistencygroup_id":

null, "os-vol-mig-status-attr:name_id": null, "name": "vol-1", "bootable": "false", "created_at":

"2019-06-27T07:31:09.000000", "volume_type": "ceph", "group_id": null, "shared_targets": false

Raise DeviceNotFound if the device isn't found during detach

Jun 27 19:41:54 controller nova-compute[7060]: 
INFO nova.virt.block_device 

[None req-6073abe1-b6a6-4f69-b940-8e69d66a6ad7 admin admin] 

[instance: f092dfe4-365b-4dd6-8867-76a311399782]

Jun 27 19:41:54 controller nova-compute[7060]: 
DEBUG nova.virt.libvirt.guest 

[None req-6073abe1-b6a6-4f69-b940-8e69d66a6ad7 admin admin] 
 

{{(pid=7060)  /opt/stack/nova/nova/virt/libvirt/guest.py:430

detach device xml，成功detach掉volume

Jun 27 19:41:54 controller nova-compute[7060]: DEBUG nova.virt.libvirt.guest 

[None req-6073abe1-b6a6-4f69-b940-8e69d66a6ad7 admin admin] 
 
<disk  device="disk">
 <driver name="qemu" type="raw" cache="writeback" discard="unmap"/>
 <source protocol="rbd" name="volumes/volume-823dfaa9-a41c-4df7-a165-30db20b5b1c7">
 <host name="172.16.1.17" port="6789"/>
 </source>
 <target bus="virtio" dev=""/>
 <serial>823dfaa9-a41c-4df7-a165-30db20b5b1c7</serial>
 <address type="pci" domain="0x0000" bus="0x00" slot="0x06" function="0x0"/>
 </disk>
 {{(pid=7060) detach_device /opt/stack/nova/nova/virt/libvirt/guest.py:481

Jun 27 19:41:54 controller nova-compute[7060]: 
DEBUG nova.virt.libvirt.guest 

[None req-6073abe1-b6a6-4f69-b940-8e69d66a6ad7 admin admin] 
. Persistent? 1. Live? True 

{{(pid=7060) _try_detach_device /opt/stack/nova/nova/virt/libvirt/guest.py:403

root@controller:~# vim /etc/libvirt/qemu/instance-00000001.xml

通过curl请求delete attachment

Jun 27 19:41:54 controller nova-compute[7060]: 
DEBUG cinderclient.v3.client 

[None req-6073abe1-b6a6-4f69-b940-8e69d66a6ad7 admin admin] 
REQ:  -g -i -X 
-H "OpenStack-API-Version: volume 3.44" -H "User-Agent: python-cinderclient" -H "X-OpenStack-Request-ID: 
req-6073abe1-b6a6-4f69-b940-8e69d66a6ad7" 
-H "Accept: application/json" -H "X-Auth-Token: {SHA1}47e5ca14354428cab7b8095abe1d6420c8df9553" 

{{(pid=7060) _http_log_request /usr/local/lib/python2.7/dist-packages/keystoneauth1/session.py:372

1 2	Jun 27 19:41:55 controller nova-compute[7060]:

查看cinder-volume日志
1. 删除attachment

Jun 27 19:41:55 controller cinder-volume[9796]: 
INFO cinder.volume.manager 

[req-6073abe1-b6a6-4f69-b940-8e69d66a6ad7 req-04307c40-9d7e-417a-8325-c63efc6ee332 admin None]

Jun 27 19:41:55 controller cinder-volume[9796]: 
DEBUG cinder.volume.manager 

[req-6073abe1-b6a6-4f69-b940-8e69d66a6ad7 req-04307c40-9d7e-417a-8325-c63efc6ee332 admin None] 
 

{{(pid=9947) _do_attachment_delete /opt/stack/cinder/cinder/volume/manager.py:4543