[system-tests] We should to be sure that close all transport connectons in the tests

[Tatyanka]

http://paste.openstack.org/show/87426/

To avoid this we should carefully close connection in the finally block

{"build_id": "2014-07-21_14-04-23", "ostf_sha": "9863db951a6e159f4fa6e6861c8331e1af069cf8", "build_number": "441", "auth_required": false, "api": "1.0", "nailgun_sha": "438cbb8687bc0c205475e0cfd7a6d637b3e46356", "production": "docker", "fuelmain_sha": "539a5bf7493a5d14690a34bb18c3ad1c75b4f37f", "astute_sha": "fd9b8e3b6f59b2727b1b037054f10e0dd7bd37f1", "feature_groups": ["mirantis"], "release": "5.1", "fuellib_sha": "1ec799bc6c8b08b8c9c6243c426507cb7a46459b"}

[Tatyanka (tatyana-leontovich)]

move to 7.0 according it happens from time to time and there is no clear steps how to reproduce the issue

[OpenStack Infra (hudson-openstack)]

Related fix proposed to branch: master
Review: https://review.openstack.org/207636

[OpenStack Infra (hudson-openstack)]

Related fix proposed to branch: master
Review: https://review.openstack.org/209590

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/210259
Committed: https://git.openstack.org/cgit/stackforge/fuel-qa/commit/?id=9c4e3ecb0fbba1f2613a784f8b9cc13e93a64826
Submitter: Jenkins
Branch: master

commit 9c4e3ecb0fbba1f2613a784f8b9cc13e93a64826
Author: Dennis Dmitriev <email address hidden>
Date: Fri Aug 7 11:57:14 2015 +0300

    Close remote connections in ntp.py

    Refactor GroupNtpSync() as a context manager to get remote
    connection closed at the end of time synchronization.

    Change-Id: I9cfa0a2a00ede6f416edf9b659b4bbbd469f0c0d
    Related-Bug:#1346362

[OpenStack Infra (hudson-openstack)]

Change abandoned by Maksym Strukov (<email address hidden>) on branch: master
Review: https://review.openstack.org/209590

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/207636
Committed: https://git.openstack.org/cgit/stackforge/fuel-qa/commit/?id=1b432a77a79073791b17a376960bc487d0551bc9
Submitter: Jenkins
Branch: master

commit 1b432a77a79073791b17a376960bc487d0551bc9
Author: Maksym Strukov <email address hidden>
Date: Fri Jul 31 00:34:38 2015 +0300

    Use context manager for ssh sessions

    Change-Id: I4dfd0918b1a9664e5c7a775688a059043b591969
    Related-Bug: #1346362

[Matthew Mosesohn (raytrac3r)]

Is this done? https://review.openstack.org/#/c/207636/ was merged

[Vasily Gorin (vgorin)]

Please Change status if it is already closed .

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/231026

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/231026
Committed: https://git.openstack.org/cgit/stackforge/fuel-qa/commit/?id=96bccaccdc5ecc4c6274f22169ea589304a4174d
Submitter: Jenkins
Branch: master

commit 96bccaccdc5ecc4c6274f22169ea589304a4174d
Author: Maksym Strukov <email address hidden>
Date: Mon Oct 5 17:44:41 2015 +0300

    Close remote connections

    Refactor system tests as a context manager to get remote
    connection closed at the end of test

    Change-Id: I066e71914300c9fb745891c0a19a717fc84fd8f6
    Closes-Bug: #1346362