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[Matt Riedemann <mriedem@xxxxxxxxxx>]

Public bug reported:

This spec was approved in kilo:

http://specs.openstack.org/openstack/nova-specs/specs/kilo/implemented
/qemu-built-in-iscsi-initiator.html

With the code change here:

https://review.openstack.org/#/c/135854/

The spec and code change says:

"QEMU binary of Ubuntu 14.04 doesn’t have iSCSI support. Users have to
install libiscsi2 package and libiscsi-dev from Debian and rebuild QEMU
binary with libiscsi support by themselves."

This is a pretty terrible way of determining if this can be supported.
It also basically says if you're not using ubuntu/debian you're on your
own for figuring out what version of qemu (and what version your distro
supports) is required to make this work.

This should have really had a version constraint in the driver code such
that if the version of qemu is not new enough we can't support the
volume backend.

** Affects: nova
     Importance: Medium
         Status: Confirmed


** Tags: libvirt volumes

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https://bugs.launchpad.net/bugs/1501447

Title:
  QEMU built-in iscsi initiator support should be version-constrained in
  the driver

Status in OpenStack Compute (nova):
  Confirmed

Bug description:
  This spec was approved in kilo:

  http://specs.openstack.org/openstack/nova-specs/specs/kilo/implemented
  /qemu-built-in-iscsi-initiator.html

  With the code change here:

  https://review.openstack.org/#/c/135854/

  The spec and code change says:

  "QEMU binary of Ubuntu 14.04 doesn’t have iSCSI support. Users have to
  install libiscsi2 package and libiscsi-dev from Debian and rebuild
  QEMU binary with libiscsi support by themselves."

  This is a pretty terrible way of determining if this can be supported.
  It also basically says if you're not using ubuntu/debian you're on
  your own for figuring out what version of qemu (and what version your
  distro supports) is required to make this work.

  This should have really had a version constraint in the driver code
  such that if the version of qemu is not new enough we can't support
  the volume backend.

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