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[OpenStack Infra <1594385@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/332802
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=f39e660baf5543fa1acc95c106fd4d98a69e69a9
Submitter: Jenkins
Branch:    master

commit f39e660baf5543fa1acc95c106fd4d98a69e69a9
Author: dane-fichter <dane.fichter@xxxxxxxxxx>
Date:   Mon Jun 27 12:55:02 2016 -0700

    Improve image signature verification failure notification
    
    This change modifies the exception handling when Nova's
    image signature verification fails so that the build is
    aborted and instance's fault shows the error.
    
    Change-Id: I05d877fe92593edaaa8b93b87b4b787827cae8f0
    Closes-bug: #1594385


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1594385

Title:
  Nova does not report signature verification failure

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  When verifying Glance image signatures, Nova does not report a
  meaningful error message to the end user. Instead, Nova gives the end
  user a "No hosts available" message.

  How to verify this behavior:
  - Enable Nova's verify_glance_signatures configuration flag
  - Upload an image to Glance with incorrect or missing signature metadata
  - Attempt to boot an instance of this image via the Nova CLI

  You should get an error message with the text "No valid host was
  found. There are not enough hosts available". This does not describe
  the failure and will lead the end user to think there is an issue with
  the storage on the compute node.

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