Updated openstack/openstack
Project: openstack/oslo.vmware  b3b340764c2f98e9e6393c9e259a7dd7b697167b

Add constant for ESX datacenter path (HTTP access)

This patch adds a constant.py file to store the constants needed in
the VMware ecosystem. A new constant is added for the ESX datacenter
path when using http access to datastores.

Change-Id: Ie5b84b3cc3913ab57f7ab487349557781cc4157a