Structure System Events | CloudStack 'Feature First Look' Series
The events notification framework is a key component of Apache CloudStack, facilitating traceability of operations, and enabling cloud operators to automate tasks which may otherwise require admin intervention at regular intervals.
Though quite useful, events in CloudStack had a major inconsistency regarding information of the resource (ie. Instances, Templates, Volumes, Networks, Accounts, etc.). To identify the resource in question, one had to refer to the Event description which may contain resource UUID or internal database ID. This made tracking resource operations difficult and also made automation difficult as the administrator would have to parse event description strings (which are not consistent across different event types).
This feature changes this behaviour by adding resource information to each event. Database schema changes have been made to store the required information for each event along with the API changes to facilitate querying and listing these details. With resource details added to events, the UI related to them has improved a lot and below are some of the noticeable changes.
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