Monitoring a group of instances by Ceilometer?

asked 2014-07-20 23:16:44 -0500

sasakii gravatar image

Hi every one! I am wandering that is there any way to monitor a group of instances such as booted from a specific image by Ceilometer? I have ever read an article, and it says "On the other extreme, we'd have widely dimensioned alarms where this selection identifies many resources over which the statistic is aggregated, for example all instances booted from a particular image or all instances with matching user metadata."

But my problem is how to create such alarm?

Thanks.

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