[jira] [Commented] (SOLR-5103) Plugin Improvements

["Jan Høydahl (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-5103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14702771#comment-14702771 ] 

Jan Høydahl commented on SOLR-5103:
-----------------------------------

After we got SOLR-7073, we can now add a single {{.jar}} to a collection by uploading it to {{.system}} collection. Could we perhaps piggyback on this mechanism for full-blown plugins as well?

I.e. we similarly upload a plugin, e.g. {{my-cool-responsewriter-plugin.zip}} to {{.system}}. Solr will then automatically inspect the zip, add jars to classpath and register the new responsewriter under its default name.

On node start, we would iterate over all registered plugins in {{.system}} and register them. Perhaps a super generic way to support auto wiring is to allow scripts in the zip root, like {{config-api-commands.json}} and {{schema-api-commands.json}}, which will be replayed on load. Then a FieldType plugin can e.g. register itself with a {{fieldType}} and {{dynamicField}} in schema.

The whole idea of such a zip format would be to encourage creation of 3rd party plugins that can be installed from AdminUI or {{bin/solr installplugin my-plugin.zip}}, and perhaps also more modularization of the Solr distro, i.e. our contribs would become plugins and not litter solrconfig.xml with config that is only active if a system property is enabled.

> Plugin Improvements
> -------------------
>
>                 Key: SOLR-5103
>                 URL: https://issues.apache.org/jira/browse/SOLR-5103
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Grant Ingersoll
>            Assignee: Grant Ingersoll
>             Fix For: Trunk
>
>
> I think for 5.0, we should make it easier to add plugins by defining a plugin package, ala a Hadoop Job jar, which is a self--contained archive of a plugin that can be easily installed (even from the UI!) and configured programmatically.



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