Description of problem:
In order to have swift proxy-server notifications working, it requires the python-ceilometermiddleware package, however, the package isn't available on RHOS 5, or RHOS 6.
Which make the tempest test tempest.scenario.test_object_storage_telemetry_middleware.TestObjectStorageTelemetry.test_swift_middleware_notifies.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. Install packstack
2. Edit in the controller the file /etc/swift/proxy-server.conf
3. add the following session:

[filter:ceilometer]
paste.filter_factory = ceilometermiddleware.swift:filter_factory
control_exchange = swift
url = rabbit://guest:guest@controller:5672/
driver = messagingv2
topic = notifications
log_level = WARN

4: Add ceilometer in pipeline list under [pipeline:main] in /etc/swift/proxy-server.conf file
5: restart openstack-swift-proxy service

Actual results:
openstack-swift-proxy service fails 

Expected results:
openstack-swift-proxy service restart successfully and tempest.scenario.test_object_storage_telemetry_middleware.TestObjectStorageTelemetry.test_swift_middleware_notifies pass

Additional info: