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https://issues.apache.org/jira/browse/FLUME-1735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13532758#comment-13532758
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Brock Noland commented on FLUME-1735:
-------------------------------------
Hi,
Let me know what you think about the attached patch. It looks for a plugin.d
directory in FLUME_HOME. Each plugin (subdirectory) could have up to three sub
directories, lib (plugin itself), libext (libs for the plugin), and native
(.so's).
{noformat}
$ find plugins.d
plugins.d
plugins.d/custom-source-0
plugins.d/custom-source-0/lib
plugins.d/custom-source-0/libext
plugins.d/custom-source-1
plugins.d/custom-source-1/lib
plugins.d/custom-source-1/lib/custom.jar
plugins.d/custom-source-1/native
{noformat}
which results in the following command:
{noformat}
java -Xmx20m -cp
'/Users/noland/tmp/FLUME-1735-POC-0/apache-flume-1.4.0-SNAPSHOT-bin/lib/*:/Users/noland/tmp/FLUME-1735-POC-0/apache-flume-1.4.0-SNAPSHOT-bin/plugins.d/custom-source-0/lib/*:/Users/noland/tmp/FLUME-1735-POC-0/apache-flume-1.4.0-SNAPSHOT-bin/plugins.d/custom-source-1/lib/*:/Users/noland/tmp/FLUME-1735-POC-0/apache-flume-1.4.0-SNAPSHOT-bin/plugins.d/custom-source-0/libext/*:/opt/local/hadoop....
-Djava.library.path=/Users/noland/tmp/FLUME-1735-POC-0/apache-flume-1.4.0-SNAPSHOT-bin/plugins.d/custom-source-1/native:/opt/local/hadoop...
{noformat}
If that looks good I can add documentation to the patch.
> Add support for a plugins.d directory
> -------------------------------------
>
> Key: FLUME-1735
> URL: https://issues.apache.org/jira/browse/FLUME-1735
> Project: Flume
> Issue Type: Improvement
> Reporter: Mike Percy
> Assignee: Brock Noland
> Fix For: v1.4.0
>
> Attachments: FLUME-1735-0.patch
>
>
> It would be nice to have a directory, called something like plugins.d, which
> had the following structure:
> {noformat}
> flume/
> bin/
> conf/
> lib/
> plugins.d/
> custom-source-1/
> custom-source-1-base.jar
> custom-source-1-ext.jar
> custom-interceptor-2/
> custom-interceptor-2-main.jar
> custom-interceptor-2-lib.jar
> {noformat}
> This would make it easy for users to easily install new plugins (sources,
> sinks, interceptors, etc) and in the case of some conflict, they can easily
> be differentiated and moved out of the include path. This helps with
> management and debugging of plugin issues, and avoids the current requirement
> for users to add these plugins to their FLUME_CLASSPATH.
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