[jira] [Created] (NIFI-8385) Add the possibility to reference flow file UUID in bulletins

["Lehel Boér (Jira)" <ji...@apache.org>]

Lehel Boér created NIFI-8385:
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             Summary: Add the possibility to reference flow file UUID in bulletins
                 Key: NIFI-8385
                 URL: https://issues.apache.org/jira/browse/NIFI-8385
             Project: Apache NiFi
          Issue Type: Improvement
          Components: Core Framework
            Reporter: Lehel Boér
            Assignee: Lehel Boér


When emitting a bulletin, it's possible to reference the flow file uuid via the log message. Example:
{code:java}
logger.error("Failed to send " + flowFile + " to Kafka", exception);
{code}
However it can make things hard to map the bulletins with the provenance events.

This improvement is about adding an optional field for the FlowFile object in the log statement that would be caught by the LogObserver and added into bulletins via the BulletinFactory. Everything should be updated around bulletin to make this data available (UI, reporting tasks, etc).

Use case:
 * we have the provenance data sent to a Kafka topic
 * we have the bulletins data sent to a Kafka topic
 * we case use Flink/SSB to join the data from the two topics based on the flow file UUID so that alerting is much more complete when there is something wrong happening.



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