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[Sean Dague <sean@xxxxxxxxx>]

Found open reviews for this bug in gerrit, setting to In Progress.

review: https://review.openstack.org/396130 in branch: master


** Changed in: nova
       Status: Invalid => In Progress

** Changed in: nova
     Assignee: (unassigned) => Stephen Finucane (stephenfinucane)

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https://bugs.launchpad.net/bugs/1466451

Title:
  Nova should verify that devname in pci_passthrough_whitelist is not
  empty

Status in OpenStack Compute (nova):
  In Progress

Bug description:
  According to https://wiki.openstack.org/wiki/SR-IOV-Passthrough-For-Networking:
  "The devname can be a valid PCI device name. The only device names that are supported are those displayed by the Linux utility ifconfig -a and correspond to either a PF or a VF on a vNIC"

  However it's possible to supply an empty string as devname
  e.g. pci_passthrough_whitelist = {"devname": "", "physical_network":"physnet2"}

  It's also possible to have an entry:
  pci_passthrough_whitelist = {"physical_network":"physnet2"} 
  which shouldn't be valid.

  Nova should verify that devname is not an empty string and that
  devname,address or product_id/vendor_id are supplied.

  Version
  ======
  python-nova-2015.1.0-4.el7ost.noarch

  Expected result
  =============
  Nova compute should fail to start when specifying an empty string for devname when using physical_network or when not specifying devname,address or product_id/vendor_id

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