QA:Testcase OpenStack ceilometer install

 yum install *ceilometer*

The mongoDB store also need to be installed and started:

 sudo yum install mongodb-server
 sudo sed -i '/--smallfiles/!s/OPTIONS=\"/OPTIONS=\"--smallfiles /' /etc/sysconfig/mongod
 sudo service mongod start

Then start the services:

 for svc in compute central collector api ; do
     sudo service openstack-ceilometer-$svc start
 done