Comment 8 for bug 1777404

Reviewed: https://review.opencontrail.org/43990
Committed: http://github.com/Juniper/contrail-vcenter-manager/commit/7f3b6588ace16c7ad24412239c14852e5a4b9afc
Submitter: Zuul v3 CI (<email address hidden>)
Branch: master

commit 7f3b6588ace16c7ad24412239c14852e5a4b9afc
Author: Adrian Szczepański <email address hidden>
Date: Wed Jun 20 11:14:55 2018 +0200

VCenter Port management refactor

Use Criteria to fetch DVPorts
Add method for retrieving DVS by UUID
Change VCenterPort constructor to consume whole device object
Change set_vlan_id signature to consume whole VCenterPort object
Change get_vlan_id signature to consume only VCenterPort object
Change restore_vlan_id signature to consume only VCenterPort object
Extract fetching port from dvs to a function
Extract creating inherited port config spec to a function
Remove unused get_ip_pool methods from VCenterAPIClient
Catch exceptions for vrouter-uuid annotation reading
Remove NoneType check from create_and_read_instance_ip

Partial-Bug: #1777404
Change-Id: I271ff574509fbbb070acb0ddaa0a35f5a76ea5ce