[PR] Cleanly separate v1 worker and v2 sdk harness container image handling in DataflowRunner [beam]

Fri, 12 Sep 2025 09:20:18 -0700 


kennknowles opened a new pull request, #36138:
URL: https://github.com/apache/beam/pull/36138

   This is a simple first step to fix #30634
   
   The V1 worker container is wholly independent of the V2 SDK harness 
container. This change makes them very obviously separate codepaths.
   
   The prior changes to try to deprecate `--workerHarnessContainerImageUrl` 
option were made in error. These two options are analogous but not synonymous.
   
   There are probably service-side changes necessary to adjust for this, since 
we probably are incorrectly passing a V1 worker container image URL in the 
`--sdkHarnessContainerImageUrl` option.
   
   Since V1 does not support custom container usage, this is not a breaking 
change. There is no supported usage of the V2 parameter for V1.
   
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