Plugin Folders - reading/writing plugin configuration files

[Darren Hartford]

Hey all,
I've been reading through the following resources, and I can not seem to
find a reference to the 'best practice' to handle plugin-specific
configuration files.

http://wiki.pentaho.org/display/EAI/...ho+Data+Integr
ation+Plug-In

http://wiki.pentaho.org/display/COM/PDI+Plugin+Loading

To be more precise, having an External Plugin read and write XML or
Property files from it's own folder. The usecase that I have is for
multiple common defaults that may change/get added frequently that the
UI can load from the config files. These configs are plugin specific,
not job/transformation specific.

KETTLE_HOME\plugins\<steps|jobentries>\mypluginfolder
\myplugin.jar
\plugin.xml
\data1-mypluginconfig.xml
\data2-mypluginconfig.xml
\mypluginconfig.properties

I started investigating using the KettleVFS (to at least re-use that
piece), but before I got too far I wanted to verify this does not
already exist (and if someone has any pointers).

My personal intent is to replicate the XML-version of the Plugin's Meta
as one of the 'common defaults' that could be quickly re-loaded from the
UI, as well as save as a common default using the same XML format.


Thanks,
-D

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[Matt Casters]

Hi Darren,

This is a good point you raise, but I fear that these directories will not
always be write enabled. As such, it makes sense to consider writing in
the .kettle directory for example. ($HOME/.kettle/pluginrc/<pluginid>/...)

Perhaps that would be easier to do as well?

Cheers,

Matt


On Thursday 17 January 2008 17:43:05 Darren Hartford wrote:
> Hey all,
> I've been reading through the following resources, and I can not seem to
> find a reference to the 'best practice' to handle plugin-specific
> configuration files.
>
> http://wiki.pentaho.org/display/EAI/...ho+Data+Integr
> ation+Plug-In
>
> http://wiki.pentaho.org/display/COM/PDI+Plugin+Loading
>
> To be more precise, having an External Plugin read and write XML or
> Property files from it's own folder. The usecase that I have is for
> multiple common defaults that may change/get added frequently that the
> UI can load from the config files. These configs are plugin specific,
> not job/transformation specific.
>
> KETTLE_HOME\plugins\<steps|jobentries>\mypluginfolder
> \myplugin.jar
> \plugin.xml
> \data1-mypluginconfig.xml
> \data2-mypluginconfig.xml
> \mypluginconfig.properties
>
> I started investigating using the KettleVFS (to at least re-use that
> piece), but before I got too far I wanted to verify this does not
> already exist (and if someone has any pointers).
>
> My personal intent is to replicate the XML-version of the Plugin's Meta
> as one of the 'common defaults' that could be quickly re-loaded from the
> UI, as well as save as a common default using the same XML format.
>
>
> Thanks,
> -D
>
>


--
Matt
____________________________________________
Matt Casters
Chief Data Integration - Kettle founder
Pentaho, Open Source Business Intelligence
http://www.pentaho.org -- mcasters (AT) pentaho (DOT) org
Tel. +32 (0) 486 97 29 37

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