It appears that the default metrics.yml needs force_granularity: 300
otherwise cloudkitty-processor will fail to process metrics from
Gnocchi. As this is what at least I (in Debian) ship in packages, it
would be nice to have a working default.
Change-Id: I28b43d6131182252c0576d9323bbcdbfb1dbbd0a
Story: 2008598
Task: 41771