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There are few components you need. 1. producer, in your /etc/nova.conf you need to have notifications configured, for example:

notification_topics=notifications-for-ceilometer

this is a part for nova producer to generate messages that will go to Rabbitmq and will be waiting to be consumed by Ceilometer

  1. consumer, make sure you have /etc/ceilometer/ceilometer.conf with the same thing:

notification_topics=notifications-for-ceilometer

this is a part for ceilometer consumer

restart your services:

service ceilometer-agent-central restart service ceilometer-agent-notification restart service ceilometer-alarm-evaluator restart service ceilometer-alarm-notifier restart service ceilometer-api restart service ceilometer-collector restart

service nova-compute restart

Create few VM instances and keep then running for at least 11 minutes (every 10 minutes ceilometer agent collects samples as /etc/ceilometer/pipeline.yaml configures it)

After that tail all your logs and look for errors.

tail -f /var/log//.log