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

[Corey Bryant]

** Changed in: python-os-brick (Ubuntu)
       Status: New => Invalid

** Changed in: cloud-archive
       Status: New => Invalid

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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:
  New

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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