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https://issues.apache.org/jira/browse/METRON-295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15623469#comment-15623469
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Karthik Narayanan commented on METRON-295:
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I was looking at a couple of approaches for this .
option 1. Implement MessageParser class, that can parse the rawMessage using a
script that user provides ( js/python/groovy ) . To do this we can use the
javax script API.
http://docs.oracle.com/javase/7/docs/api/javax/script/ScriptEngine.html.
option 2 . simply pass the parser script to a a ScriptBolt (java class )
instance, which loads the user script using storms native capability.
https://github.com/apache/storm/blob/master/examples/storm-starter/multilang/resources/splitsentence...
I think option 1 may be a little more reusable as the same parser
implementation can be used for streaming and batch data, while option may be
very storm centric.
This is something i can try and implement, if not yet implemented.
> Script parsing bolt
> --------------------
>
> Key: METRON-295
> URL: https://issues.apache.org/jira/browse/METRON-295
> Project: Metron
> Issue Type: New Feature
> Affects Versions: 0.2.1BETA
> Reporter: James Sirota
> Assignee: James Sirota
> Priority: Minor
> Labels: newbie, platform
> Fix For: 0.2.1BETA
>
>
> In addition to having a Grok parsing bolt we need a bolt that can execute a
> script in order to parse a telemetry. This way you can still script the
> parsing for telemetries for which Grok expressions are too complex, but still
> don't have to define a java parser
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