On Fri, Aug 07 2015, Chris Dent wrote: > If someone installs aodh on a machine that already has ceilometer on it > and turns off ceilometer-alarm-notifier and ceilometer-alarm-evaluator > (in favor of aodh-notifier and aodh-evaluator) will they be able to run > those aodh services against their existing ceilometer.conf files[2]?
Yes, because none of the option has been changed, and those who have been changed have been deprecated, e.g. deprecated_group=foobar. > What if they were, in ceilometer, using specific config for their > alarming database (alarm_connection). Can aodh "see" and use this > config option? That's the only option where maybe I cleaned-up a little bit too much as I think I remove the alarm_connection from Aodh. I'll cook a patch to fix that. > Or will they need to copy and modify the existing conf files to allow > them to carry on using their existing database config? Well ultimately as soon as they start using aodh, they could copy ceilometer.conf, remove what's ceilometer only related and voilĂ . That can be achieved by comparing with the default aodh.conf I guess. We could test that upgrade path using Grenade maybe? I hope I made things clearer! -- Julien Danjou -- Free Software hacker -- http://julien.danjou.info
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