Hello, I’m running Cloud Forms 4.1 using OpenStack as my cloud provider and Ceilometer as my source for chargeback data. I set this lab up about 3 months ago and everything has been generally fine with the lab, but I came back from the holidays to find that many of the provisioned instances stopped collecting data on 12/29 and none of my chargeback reports showed any data at all.
I did some troubleshooting: verified ceilometer events could be received on the appliance, verified c&u roles were properly configured, verified that the openstack configs did not change. So I did some more digging and found some instances stopped reporting data even earlier than that (CFME for one) and that a relatively new instance was reporting data. I tried refreshing most recent C&U data for several problem instances with no luck.
So my question is there a log I can consult about this? Is there a way to force C&U data to be collected? What would cause C&U to suddenly stop collecting for a particular instance?