Comment 3 for bug 1777630

Reviewed: https://review.opencontrail.org/43964
Committed: http://github.com/Juniper/contrail-vcenter-manager/commit/431bf8d80c34d2bfd61ac2bf86e3e2444097e523
Submitter: Zuul v3 CI (<email address hidden>)
Branch: master

commit 431bf8d80c34d2bfd61ac2bf86e3e2444097e523
Author: Adrian Szczepański <email address hidden>
Date: Mon Jun 18 11:43:04 2018 +0200

Stop reassigning VLAN IDs

Add VCenterPort class for storing info on ports in VM Model
Remove vrouter_port_added field from VMI Model
Move VMIs parent and security group attachment outside of the VMI Model constructor
Encapsulate vcenter port related data in VCenterPort object in VMI model
Add get_vlan_id method to VCenterAPIClient

Closes-Bug: #1777630
Change-Id: If94758e6871b4492511b915bd06d04ae81c5643e