[jira] [Created] (SOLR-7576) Implement plugins in Javascript

["Noble Paul (JIRA)" <ji...@apache.org>]

Noble Paul created SOLR-7576:
--------------------------------

             Summary: Implement plugins in Javascript
                 Key: SOLR-7576
                 URL: https://issues.apache.org/jira/browse/SOLR-7576
             Project: Solr
          Issue Type: Bug
            Reporter: Noble Paul


Solr now support dynamic loading (SOLR-7073) of components and it is secured in SOLR-7126

We can extend the same functionality with JS as well

example of creating a RequestHandler 
{code:javascript}
curl http://localhost:8983/solr/collection1/config -H 'Content-type:application/json'  -d '{
"create-requesthandler" : {"name": "jshandler" ,
"class":"solr.JSRequestHandler, 
"defaults": {
"js": "myreqhandlerjs", //this is the name of the blob in .system collection
"version":"3",
"sig":"mW1Gwtz2QazjfVdrLFHfbGwcr8xzFYgUOLu68LHqWRDvLG0uLcy1McQ+AzVmeZFBf1yLPDEHBWJb5KXr8bdbHN/PYgUB1nsr9pk4EFyD9KfJ8TqeH/ijQ9waa/vjqyiKEI9U550EtSzruLVZ32wJ7smvV0fj2YYhrUaaPzOn9g0="
}
 }  
}'
{code}
To make this work

* Solr should be started with {{-Denable.runtime.lib=true}}
* The javascript must be loaded to the {{.system}} collection using the blob store API
* Configure the requesthandler with the JS blob name and version
* Sign the javascript and configure the signature if security is enabled







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