** Changed in: nova
Status: Fix Committed => Fix Released
** Changed in: nova
Milestone: None => kilo-3
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https://bugs.launchpad.net/bugs/1404791
Title:
can not delete an instance if the instance's rescue volume is not
found
Status in OpenStack Compute (Nova):
Fix Released
Bug description:
can not delete an instance if the instance's rescue lvm can not be
found.
how to reproduce:
1. configure images_type lvm for libvirt dirver.
[libvirt]
images_type = lvm <----
images_volume_group = stack-volumes-lvmdriver-1 <-- lvm used
2. rescue the instance, will generate uuid.rescue lvm
3. unrescue the instance, the rescue lvm can not be deleted due to bug
https://bugs.launchpad.net/nova/+bug/1385480
4. delete the uuid.rescue lvm manually.
5. delete the instance(failed and set to error state)
below is the call trace of nova-compute driver.
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher
self._cleanup_lvm(instance)
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher File
"/opt/stack/nova/nova/virt/libvirt/driver.py", line 944, in _cleanup_lvm
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher
lvm.remove_volumes(disks)
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher File
"/opt/stack/nova/nova/virt/libvirt/lvm.py", line 272, in remove_volumes
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher
clear_volume(path)
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher File
"/opt/stack/nova/nova/virt/libvirt/lvm.py", line 250, in clear_volume
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher volume_size =
get_volume_size(path)
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher File
"/opt/stack/nova/nova/virt/libvirt/lvm.py", line 66, in decorated_function
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher return
function(path)
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher File
"/opt/stack/nova/nova/virt/libvirt/lvm.py", line 197, in get_volume_size
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher
run_as_root=True)
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher File
"/opt/stack/nova/nova/virt/libvirt/utils.py", line 53, in execute
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher return
utils.execute(*args, **kwargs)
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher File
"/opt/stack/nova/nova/utils.py", line 164, in execute
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher return
processutils.execute(*cmd, **kwargs)
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo_concurrency/processutils.py", line 224,
in execute
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher
cmd=sanitized_cmd)
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher
ProcessExecutionError: Unexpected error while running command.
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher Command: sudo
nova-rootwrap /etc/nova/rootwrap.conf blockdev --getsize64
/dev/stack-volumes-lvmdriver-1/b09687ee-f525-4edc-aaf4-1272562d46fd_disk.rescue
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher Exit code: 1
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher Stdout: u''
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher Stderr:
u'blockdev: cannot open
/dev/stack-volumes-lvmdriver-1/b09687ee-f525-4edc-aaf4-1272562d46fd_disk.rescue:
No such file or directory\n'
2014-12-22 13:18:29.691 TRACE oslo.messaging.rpc.dispatcher
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