Telemetry uses notifications to collect Orchestration service meters. Perform these steps on the controller node.
Edit the /etc/heat/heat.conf
and complete the following actions:
In the [oslo_messaging_notifications]
sections, enable notifications:
[oslo_messaging_notifications]
...
driver = messagingv2
Restart the Orchestration service:
# systemctl restart openstack-heat-api.service \
openstack-heat-api-cfn.service openstack-heat-engine.service
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