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[Aaron Rosen <aaronorosen@xxxxxxxxx>]

** No longer affects: neutron

** Changed in: nova
     Assignee: sahid (sahid-ferdjaoui) => Aaron Rosen (arosen)

** Changed in: nova
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1252410

Title:
  SecurityGroup exception when there are no subnets

Status in OpenStack Compute (Nova):
  In Progress

Bug description:
  When booting an instance with a network that has no defined subnets
  (i.e. you want the instance to have a network interface but not to
  have the address range managed by neutron), the nova/neutron
  integration code throws a SecurityGroupCannotBeApplied exception. At
  the moment, nova does not have the ability to indicate that no
  SecurityGroup is required (omitting it results in the default group
  being assumed).

  To reproduce:

  1. create a network -- do not create a subnet!
  2. boot a vm a-la "nova boot --image foo --nic net-id=[uuid for aforementioned network] foovm"

  Result: 
  VM fails to boot, enters ERROR state

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