app/models/manageiq/providers/openstack/cloud_manager/availability_zone_null.rb
# An availability zone to represent the cases where Openstack VMs may be
# launched into no availability zone
class ManageIQ::Providers::Openstack::CloudManager::AvailabilityZoneNull < ManageIQ::Providers::Openstack::CloudManager::AvailabilityZone
default_value_for :name, "No Availability Zone"
end