rabbitmq nodes should be derived from configdb_nodes and not config_nodes

[Senthilnathan Murugappan]

https://github.com/Juniper/contrail-container-builder/blob/9b66cc43b8659d6794718cb8b0df1987c4406088/parse-env.sh#L121

export RABBITMQ_NODES=${RABBITMQ_NODES:-$CONFIG_NODES}

Rabbitmq is a service of config database role so we should be deriving the same from CONFIGDB_NODES and not CONFIG_NODES

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/44144
Submitter: Abhay Joshi (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/44144
Committed: http://github.com/Juniper/contrail-container-builder/commit/4b17cd2f0eb7067dc01d345d6898f688680f9021
Submitter: Zuul v3 CI (<email address hidden>)
Branch: master

commit 4b17cd2f0eb7067dc01d345d6898f688680f9021
Author: Abhay Joshi <email address hidden>
Date: Tue Jun 26 16:03:49 2018 -0700

Closes-Bug: #1775905
RabbitMQ node list should be derived from configDB node list.

Change-Id: I3c1ce7e464de8381a91952170359229a0d828aa6

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/44150
Submitter: Andrey Pavlov (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/44150
Committed: http://github.com/Juniper/contrail-container-builder/commit/2f9f43e7d616f292e8e4a1ef7cd72c73ed1efce4
Submitter: Zuul v3 CI (<email address hidden>)
Branch: R5.0

commit 2f9f43e7d616f292e8e4a1ef7cd72c73ed1efce4
Author: Abhay Joshi <email address hidden>
Date: Tue Jun 26 16:03:49 2018 -0700

Closes-Bug: #1775905
RabbitMQ node list should be derived from configDB node list.

Change-Id: I3c1ce7e464de8381a91952170359229a0d828aa6
(cherry picked from commit 4b17cd2f0eb7067dc01d345d6898f688680f9021)