Comment 13 for bug 1527743

Reviewed: https://review.opencontrail.org/16450
Committed: http://github.org/Juniper/contrail-fabric-utils/commit/8cba8ca73ae6f758a4d61339428e2b4ea05b0f90
Submitter: Zuul
Branch: R2.20

commit 8cba8ca73ae6f758a4d61339428e2b4ea05b0f90
Author: Nagendra Chandran <email address hidden>
Date: Mon Nov 16 14:48:52 2015 -0800

Backport Rhel changes to R2.20

Partial-Bug: 1537349

Support Contrail on Rhel7/Rhosp7

Partial-Bug: 1515887
(cherry picked from commit 40825e8a4be7180de9eaf5451c37a16161a5072e)

Test Repos for Rhel7/Kilo and Centos7/Kilo

Closes-Bug: 1516949
(cherry picked from commit 7d103c41dc5c131f9394c61df19ead1eaa34b42a)

Move default grub configuration to node

Closes-Bug: 1518056
(cherry picked from commit 0e4c60d8a3fc21bca39b9a88d7049f119ca226c8)

Dont package python-pip and remove its need

Since python-pip and related packages are not available, removing upgrade_pkgs
which is unnecessary
Also installing python-pip for sanity purposes in centos/redhat based nodes

Partial-Bug: 1527743
(cherry picked from commit dce0ce24f6c4ea707fef86c2867df5f37365eab8)

Improvements to contraillabs tasks
1. Installing specific kernel-header in contraillabs tasks
2. subscribe_rhel_repos task to subscribe rhel repos

Closes-Bug: 1533907

Rhel7-Juno: Resync cache to latest Rhosp6

Closes-Bug: 1534827
(cherry picked from commit e2aa2bbf8f08cd6eaeb72a838e6027b8142d4727)

Change-Id: I44aa7269012e8a6261bc5a58d8e06a6cd71a9eab