stable/queens gate failed on decoding

[hongbin]

The stable/queens gate failed on test 'zun_tempest_plugin.tests.tempest.api.test_containers.TestContainer.test_put_and_get_archive_from_container'.

Below is the trace in zun-compute log:

  http://paste.openstack.org/show/726415/

The error message:

  UnicodeDecodeError: 'utf8' codec can't decode byte 0x8b in position 1: invalid start byte

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/queens
Review: https://review.openstack.org/584726

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/584726
Committed: https://git.openstack.org/cgit/openstack/zun/commit/?id=2a301ccce0b4816df53fe366f8b356e83f551e5a
Submitter: Zuul
Branch: stable/queens

commit 2a301ccce0b4816df53fe366f8b356e83f551e5a
Author: Hongbin Lu <email address hidden>
Date: Mon Jul 23 04:47:07 2018 +0000

    Decode content from docker.get_archive

    It looks the data returned by docker.get_arhive cannot be decoded
    when sending via RPC. This patch decodes the content on reading
    the docker response.

    Change-Id: I579910ce5b8e5cd7945d6473db6daa7b3a039f88
    Cloes-Bug: #1783051