Public bug reported:
If an error occurs creating a Libvirt+LXC domain, the code can leave the
guest FS mounted to host preventing the `lvremove` of a delete from
working.
The core problem here is that any code between `setup_container` and
`teardown_container` needs be within a `try/finally` block, so that on
error, we unmount the image from the host.
While we're at it, we can also cleanup the exception handling by
reducing the 3 independent exception handlers into a single one, which
is then followed by the `finally` clause.
** Affects: nova
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1333827
Title:
Libvirt-LXC can leave image mounted to host
Status in OpenStack Compute (Nova):
New
Bug description:
If an error occurs creating a Libvirt+LXC domain, the code can leave
the guest FS mounted to host preventing the `lvremove` of a delete
from working.
The core problem here is that any code between `setup_container` and
`teardown_container` needs be within a `try/finally` block, so that on
error, we unmount the image from the host.
While we're at it, we can also cleanup the exception handling by
reducing the 3 independent exception handlers into a single one, which
is then followed by the `finally` clause.
To manage notifications about this bug go to:
https://bugs.launchpad.net/nova/+bug/1333827/+subscriptions
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