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From "Christian Schneider (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KARAF-4546) Support embedding decanter into spring boot apps
Date Mon, 30 May 2016 15:06:12 GMT
Christian Schneider created KARAF-4546:
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             Summary: Support embedding decanter into spring boot apps
                 Key: KARAF-4546
                 URL: https://issues.apache.org/jira/browse/KARAF-4546
             Project: Karaf
          Issue Type: New Feature
          Components: decanter
    Affects Versions: decanter-1.1.0
            Reporter: Christian Schneider
            Assignee: Christian Schneider
             Fix For: decanter-1.1.1


I just did a POC to use decanter as a distributed logging system for spring boot applications.

My first approach was to use the log4j socket appender to log into a local (but separate process)
decanter-agent that then forwards to kafka.
A central decanter server would then pick up the logs and store them into ES. The disadvantage
was that each node needs a local decanter-agent which makes the packaging for the cloud more
difficult.

So I looked into a way to embed decanter into spring boot and found felix connect. It allows
to pick some bundles from the normal classpath and start them in a partial OSGi container.
It seems to be good enough to nicely host decanter and the kafka appender. I created a custom
logback appender class for spring boot that forwards all logs into the embedded decanter instance.
To make it easy to use I packaged this as a spring boot starter. So people only have to add
the dependency and configure their logging to use the new decanter appender.




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