[jira] [Commented] (FLINK-28181) Add support in FlinkSessionJob to submit job using jar available in jobManager's classpath

["Jeesmon Jacob (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-28181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17558476#comment-17558476 ] 

Jeesmon Jacob commented on FLINK-28181:
---------------------------------------

[~gyfora] Could you please help me to get started on this? As I understood changes are:

1. Make job.jobUri and optional field
2. Add code to create a noop or empty jar
3. When jobUri is not defined and entryClass is defined, use noop/empty jar to submit job
4. Add validation to make sure either jobUri or entryClass is defined
5. Update documentation

Thanks

> Add support in FlinkSessionJob to submit job using jar available in jobManager's classpath
> ------------------------------------------------------------------------------------------
>
>                 Key: FLINK-28181
>                 URL: https://issues.apache.org/jira/browse/FLINK-28181
>             Project: Flink
>          Issue Type: New Feature
>          Components: Kubernetes Operator
>            Reporter: Jeesmon Jacob
>            Assignee: Jeesmon Jacob
>            Priority: Major
>
> Currently FlinkSessionJob needs to download job jar from remote endpoint (http/s3/etc.) and submit it to jobManager for starting the job. There is no built-in support for starting a job using a jar that is already available in jobManager's docker image. This ticket is created to support submitting a job using a jar that is available in jobManager's classpath.
> We have a need for team specific session cluster where all jobs are bundled in a docker image with many different configurations. For these job jars to be copied to a remote endpoint create additional maintenance and release overhead.
> Slack discussion thread: https://apache-flink.slack.com/archives/C03G7LJTS2G/p1655495665285339?thread_ts=1655495313.473359&cid=C03G7LJTS2G



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