Niklas Quarfot Nielsen created MESOS-2622:
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Summary: Document the semantic change in decorator return values
Key: MESOS-2622
URL: https://issues.apache.org/jira/browse/MESOS-2622
Project: Mesos
Issue Type: Documentation
Reporter: Niklas Quarfot Nielsen
Assignee: Niklas Quarfot Nielsen
In order to enable decorator modules to _remove_ metadata (environment
variables or labels), we changed the meaning of the return value for decorator
hooks.
The Result<T> return values means:
||State||Before||After||
|Error|Error is propagated to the call-site|No change|
|None|The result of the decorator is not applied|No change|
|Some|The result of the decorator is *appended*|The result of the decorator
*overwrites* the final labels/environment object|
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