454c486e01
Fixes bug 1078371 Previously the flavor vcpus used in the CPU utilization metering was available from the nova DB instance representation. Now that we retrieve the on-host instances from the public nova API as opposed to the DB, we need to retrieve the flavor vcpus from the flavors API. Note that it's a known issue with nova that a flavor associated with a running instance can be deleted and re-created with the same ID but a different resource configuration (in this case, a different number of cores would led to an incorrect CPU util calculation). This will be addressed in a future nova patch. Change-Id: I093acb94a4818f671782a3cb4e2c846f29b8cec5
ceilometer
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