[Bug 1524989] Re: [SRU] ScaleIO driver could attach wrong volume to the VM

[Brian Murray]

Hello Xing, or anyone else affected,

Accepted python-os-brick into wily-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/python-os-
brick/0.5.0-0ubuntu3 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: python-os-brick (Ubuntu Wily)
       Status: New => Fix Committed

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1524989

Title:
  [SRU] ScaleIO driver could attach wrong volume to the VM

Status in Ubuntu Cloud Archive:
  Invalid
Status in Ubuntu Cloud Archive liberty series:
  New
Status in os-brick:
  Fix Released
Status in python-os-brick package in Ubuntu:
  Invalid
Status in python-os-brick source package in Wily:
  Fix Committed

Bug description:
  When running multiple attach volume operations with multiple volumes
  and multiple VMs, a wrong volume could end up being attached to a VM.
  To fix this, connect_volume and disconnect_volume should be locked.

  
  [Impact] 

   * Backport to Ubuntu Wily/Liberty to safeguard against race
  conditions when performing concurrent attach/detach requests.

  [Test Case]

   * Deploy Openstack Liberty
   * Boot a 5 instances and run http://paste.ubuntu.com/16738910/

  [Regression Potential]

   * Nothing expected

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