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[Bug 1275311] Re: Libvirt BIOS bootmenu should be enabled

 

Rafi,

I don't think this is a bug but rather a missing feature, so I am going
to mark this as "Invalid". If you want to implement this, you should
file it under "Wishlist" and submit a blueprint to Nova
https://wiki.openstack.org/wiki/Blueprints. The blueprint is important
so that implementation details can be hashed out before you submit code.
This way, obvious problems, like the one pointed out by Daniel, can be
avoided, saving yours and reviewer's time.

Dan

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

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https://bugs.launchpad.net/bugs/1275311

Title:
  Libvirt BIOS bootmenu should be enabled

Status in OpenStack Compute (Nova):
  Invalid

Bug description:
  We currently do not enable the "bootmenu" option within Libvirt.  It
  would be beneficial to do so, to allow for some more flexibility when
  installing a new OS from ISO.  Having the bootmenu available would
  allow for the following:

  1. Upload ISO image to Glance.
  2. Upload "empty" RAW image to Glance.
  3. Create a new Cinder volume, populating it with the ISO from #1.
  4. Create a new instance, using the empty RAW from #2.
  5. Attach the CInder volume from #3.

  At this point, the instance has 2 disks attached: the root disk (vda)
  and volume (vdb).  In this case, we want to boot vdb, so that we can
  utilize the ISO to install an OS on vda.  There is currently no way to
  do this, short of passing block-device-mapping, which is not the same
  end result.  Enabling the bootmenu would prompt the user to hit F12
  and select the desired boot device (vdb in this case).

  This is an extremely simple change which provides a non-external
  option for creating Nova compatible images.

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References