Root Cause Analysis service overview¶

Vitrage provides a root cause analysis service, which is used for analyzing the topology and alarms of the cloud, and providing insights about it.

The Root Cause Analysis service consists of the following components:

vitrage-graph service

The main process. It includes the in-memory entity graph and the template evaluator.

vitrage-notifier service

Used for notifying external systems about Vitrage alarms/state changes. It only calls Nova force-down API and Simple Network Management Protocol (SNMP) in the Ocata release.

vitrage-api service

The API layer for Vitrage.

vitrage-collector service

Responsible for retrieving data from the different datasources.

vitrage-ml service

Performs alarm analysis using Machine Learning methods.

vitrage-persistor service

Used to persist the events coming from the datasources in a database.