The cinder module is the only module that has
a class named ceilometer to configure the oslo
notifications section.
The majority of our modules has these parameters
in the init class except for a few, to make it
more consistent and to not use another projects
name as a class name to configure something that
is not explicitly only for that usecase.
Change-Id: Ic45e50cf8cd19ee197da12006030abdc064ae9de