Comment 4 for bug 1729247

Reviewed: https://review.opencontrail.org/37140
Committed: http://github.com/Juniper/contrail-controller/commit/2d98189401e6db158c4214fff0bd6fde39a01f9b
Submitter: Zuul (<email address hidden>)
Branch: R4.1

commit 2d98189401e6db158c4214fff0bd6fde39a01f9b
Author: dineshb-jnpr <email address hidden>
Date: Thu Nov 2 23:49:50 2017 -0700

Exit kube-manager if mandatory args are missing.

This commit introduces a framework to specify mandatory
arguments for kube-manager. The persence and the contents
of the mandatory arguments will be enforced at kube-manager
arg parse phase. If validation fails, kube-manager will exit
with an error.

Change-Id: I6a645ff9d4a9981dc26515498fe1d9eab26fecb6
Partial-bug: #1729247