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[Mark Wittling <1720862@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

A few weeks back, I followed the Newton Install Guides, and had no major
issues getting OpenStack to work (in its entirety).  When I commissioned
up a 2nd Compute Node, none of the VMs would instantiate.  After quite a
bit of debugging, I realized that libguestfs was the issue.

At first, I went looking for a way to disable libguestfs in the
configuration files. But as it turned out, even if you disable it, it
still seems to be used by OpenStack. Finally, I decided to remove it
from the box entirely, after reading that if OpenStack does not see it
installed, it won't attempt to use it. I did not need anything writing
to the image, so this made sense.

As it turns out, if you uninstall it, it uninstalls OpenStack Compute
because of the dependency between the two.  I went ahead and got the
rpm, and installed OpenStack Nova Compute with the --nodeps flag to get
around the libguestfs.

I have not researched why libguestfs causes so many issues. For the time
being, my strategy is to run without it and rely on CloudInit and other
ways of configuring instances.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1720862

Title:
  LibGuestFS Causes Nova Compute to Hang

Status in OpenStack Compute (nova):
  New

Bug description:
  A few weeks back, I followed the Newton Install Guides, and had no
  major issues getting OpenStack to work (in its entirety).  When I
  commissioned up a 2nd Compute Node, none of the VMs would instantiate.
  After quite a bit of debugging, I realized that libguestfs was the
  issue.

  At first, I went looking for a way to disable libguestfs in the
  configuration files. But as it turned out, even if you disable it, it
  still seems to be used by OpenStack. Finally, I decided to remove it
  from the box entirely, after reading that if OpenStack does not see it
  installed, it won't attempt to use it. I did not need anything writing
  to the image, so this made sense.

  As it turns out, if you uninstall it, it uninstalls OpenStack Compute
  because of the dependency between the two.  I went ahead and got the
  rpm, and installed OpenStack Nova Compute with the --nodeps flag to
  get around the libguestfs.

  I have not researched why libguestfs causes so many issues. For the
  time being, my strategy is to run without it and rely on CloudInit and
  other ways of configuring instances.

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