CDH scaling fails with connection refused

[Sergey Reshetnyak]

From time to time scaling on CDH plugin fails with error:

1. Create cluster with CDH plugin.
2. Scale down cluster.

Get error:
http://paste.openstack.org/show/98776/

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/116313

[OpenStack Infra (hudson-openstack)]

Change abandoned by Sergey Reshetnyak (<email address hidden>) on branch: master
Review: https://review.openstack.org/116313

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/117501
Committed: https://git.openstack.org/cgit/openstack/sahara/commit/?id=c459f290d36af7928ca0b8921e1154d056fc31fe
Submitter: Jenkins
Branch: master

commit c459f290d36af7928ca0b8921e1154d056fc31fe
Author: Sergey Reshetnyak <email address hidden>
Date: Thu Aug 28 17:04:43 2014 +0400

    Install non deprecated DB for Cloudera Manager

    Cloudera Manager installation guide recommend install
    'cloudera-manager-server-db-2' package.
    Link for doc: http://goo.gl/r7mCcV

    Closes-bug: #1360313

    Change-Id: Ic3c899ffb4a925f5285ed1c150e6333cf7a949ea

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/119373
Committed: https://git.openstack.org/cgit/openstack/sahara/commit/?id=5dd202162dd720002991af3de9c863f0c617aec9
Submitter: Jenkins
Branch: master

commit 5dd202162dd720002991af3de9c863f0c617aec9
Author: Andrey Pavlov <email address hidden>
Date: Fri Sep 5 17:27:56 2014 +0400

    CDH manager-node flavor change

    Change-Id: I699deb52a4908aca0135a7d4eb8daf8b5d00aa68
    Closes-bug: #1360313