[7.0][octane][upgrade] Import error in 7.0 restore procedure

[Vladimir Khlyunev]

[2016-07-18 11:05:12,085] ERROR octane 'module' object has no attribute 'mkdtemp'
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/cliff/app.py", line 280, in run_subcommand
    result = cmd.run(parsed_args)
  File "/usr/lib/python2.6/site-packages/cliff/command.py", line 50, in run
    self.take_action(parsed_args)
  File "/usr/lib/python2.6/site-packages/octane/commands/restore.py", line 56, in take_action
    self.get_context(parsed_args))
  File "/usr/lib/python2.6/site-packages/octane/commands/restore.py", line 31, in restore_data
    archivator.restore()
  File "/usr/lib/python2.6/site-packages/octane/handlers/backup_restore/postgres.py", line 87, in restore
    docker.apply_patches(*args)
  File "/usr/lib/python2.6/site-packages/octane/util/docker.py", line 137, in apply_patches
    tempdir = tempfile.mkdtemp(prefix='octane_docker_patches.')
AttributeError: 'module' object has no attribute 'mkdtemp'

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/7.0
Review: https://review.openstack.org/343707

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/343707
Committed: https://git.openstack.org/cgit/openstack/fuel-octane/commit/?id=76d5fb409484d8c58c0ab99534f88f1fec7d95b1
Submitter: Jenkins
Branch: stable/7.0

commit 76d5fb409484d8c58c0ab99534f88f1fec7d95b1
Author: Yuriy Taraday <email address hidden>
Date: Wed Jun 22 15:28:45 2016 +0300

    Add absolute_import to util/docker.py to avoid local tempfile module

    Closes-Bug: 1595156
    Closes-Bug: 1603990
    Change-Id: I9484efce6fa7aec1b41cf592f9e9768d85931fa7
    (cherry picked from commit 896aba1191eeb59cf85cc8be6a2ae67e08b76070)