Sanity: tools/configure.py broken for vcenter-only

[Sarath]

tools/configure.py needs special handling for Vcenter-only scenario
and this is regression bug due to,

Factor-in recent changes in test code
Change-Id: I833b0e71bfdc911f032e0857ab9a910bff675084
---------------
Infra changes to support keystone_v3 and backward compatability
Change-Id: Ic412fdefcf20f80e68632e28b77a93f56982df9b

Below are the errors seen on regression/sanity,

+ python tools/configure.py /contrail-test -p /opt/contrail/utils

Configuring test environment

Traceback (most recent call last):

2017-03-13 14:10:54:987428: File "tools/configure.py", line 607, in <module>

2017-03-13 14:10:54:987551: sys.exit(not main(sys.argv))

2017-03-13 14:10:54:987828: File "tools/configure.py", line 604, in main

2017-03-13 14:10:54:987887: configure_test_env(args.contrail_fab_path, args.contrail_test_directory)

2017-03-13 14:10:54:988131: File "tools/configure.py", line 318, in configure_test_env

2017-03-13 14:10:54:988177: env.cloud_admin_password = env.openstack_admin_password

2017-03-13 14:10:54:988339: File "/usr/local/lib/python2.7/dist-packages/fabric/utils.py", line 213, in __getattr__

2017-03-13 14:10:54:988383: raise AttributeError(key)

2017-03-13 14:10:54:988526: AttributeError: openstack_admin_password

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/29569
Submitter: Sarath (<email address hidden>)

[Sarath (nsarath)]

Fixed through,
https://review.opencontrail.org/#/c/29388/