The Logstash Plugin adds a build wrapper for sending console output to a globally configured logstash server. Support for this would help initial rollout and maintaining configuration settings as new jobs come online.

The block below illustrates an example buildWrappers section in config.xml (based on the latest currently available logstash).

<buildWrappers>
    <jenkins.plugins.logstash.LogstashBuildWrapper plugin="logstash@1.2.0"/>
</buildWrappers>