[jira] [Closed] (FLINK-32315) Support local file upload in K8s mode

["Márton Balassi (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-32315?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Márton Balassi closed FLINK-32315.
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    Resolution: Fixed

[{{b3fdb07}}|https://github.com/apache/flink/commit/b3fdb07c04114c515cfc5893e89528bbfb4384ed] in master

> Support local file upload in K8s mode
> -------------------------------------
>
>                 Key: FLINK-32315
>                 URL: https://issues.apache.org/jira/browse/FLINK-32315
>             Project: Flink
>          Issue Type: New Feature
>          Components: Client / Job Submission, Deployment / Kubernetes
>            Reporter: Paul Lin
>            Assignee: Ferenc Csaky
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.20.0
>
>
> Currently, Flink assumes all resources are locally accessible in the pods, which requires users to prepare the resources by mounting storages, downloading resources with init containers, or rebuilding images for each execution.
> We could make things much easier by introducing a built-in file distribution mechanism based on Flink-supported filesystems. It's implemented in two steps:
>  
> 1. KubernetesClusterDescripter uploads all local resources to remote storage via Flink filesystem (skips if the resources are already remote).
> 2. KubernetesApplicationClusterEntrypoint and KubernetesTaskExecutorRunner download the resources and put them in the classpath during startup.
>  
> The 2nd step is mostly done by [FLINK-28915|https://issues.apache.org/jira/browse/FLINK-28915], thus this issue is focused on the upload part.
>  
>  



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