Unable to create or delete images in glance after application of last maintenance update on MOS 5.1.1

[Sergii Rizvan]

Detailed bug description:
 After application of last maintenance update on MOS 5.1.1 there is unable to create or delete images in glance:
CLI glance image-create: http://paste.openstack.org/show/498604/
CLI glance image-delete: http://paste.openstack.org/show/498605/
(Glance use Swift backend)

Steps to reproduce:
 1. Deploy MOS 5.1.1 environment
 2. Apply maintenance update using this manual: https://docs.mirantis.com/openstack/fuel/fuel-5.1/release-notes.html#how-to-update-the-product
 3. Login on Controller node and download some qcow2 image, for example:
    wget https://download.fedoraproject.org/pub/fedora/linux/releases/23/Cloud/x86_64/Images/Fedora-Cloud-Base-23-20151030.x86_64.qcow2
 4. Execute glance image-create command:
    glance --debug image-create --name fedora --file Fedora-Cloud-Base-23-20151030.x86_64.qcow2 --disk-format qcow2 --container-format bare --progress
  Now you may see 500 error from API.
 5. Execute glance image-delete command:
    glance --debug image-delete TestVM
  Now you may see 500 error from API.

Expected results:
 After application of maintenance update we can succsessfully create and delete glance images.

Actual result:
 Creating or deleting glance images ends up with 500 error from the API.

Reproducibility:
 100% reproducibility

Description of the environment:
- Operation system: Ubuntu 12.04
- Versions of components: MOS 5.1.1
- Reference architecture: 1 controller node, 2 compute nodes
- Network model: Neutron with VLAN segmentation
- Related projects installed: Glance with Swift backend

[Alexey Stupnikov (astupnikov)]

MOS 5.1.1 is no longer supported, moving to Won't Fix.