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https://issues.apache.org/jira/browse/BEAM-6020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ismaël Mejía updated BEAM-6020:
-------------------------------
Status: Open (was: Triage Needed)
> Rework Docker-inside-Docker for JobServer container
> ---------------------------------------------------
>
> Key: BEAM-6020
> URL: https://issues.apache.org/jira/browse/BEAM-6020
> Project: Beam
> Issue Type: Improvement
> Components: runner-flink
> Reporter: Maximilian Michels
> Priority: Minor
> Labels: portability-flink
>
> Docker-inside-Docker causes problems with permissions. For example:
> {noformat}
> Caused by: java.lang.Exception: The user defined 'open()' method caused an
> exception: java.io.IOException: Cannot run program "docker": error=13,
> Permission denied
> at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:498)
> at
> org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:368)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:712)
> ... 1 more
> Caused by:
> org.apache.beam.repackaged.beam_runners_java_fn_execution.com.google.common.util.concurrent.UncheckedExecutionException:
> java.io.IOException: Cannot run program "docker": error=13, Permission denied
> at
> org.apache.beam.repackaged.beam_runners_java_fn_execution.com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4994)
> ... 7 more
> {noformat}
> See discussion:
> https://lists.apache.org/thread.html/b2b97efaf1f4a6e283eaf92e05605f10f405e9eb9a9c41896041d0ac@%3Cdev.beam.apache.org%3E
>
> We could get rid of Docker-inside-Docker entirely. It would be cleaner to
> start the SDK harness container alongside with JobServer container.
> Alternatively, it should be possible to use an image with Docker
> pre-installed, which should fix the permissions errors which come from
> mounting the Docker executable of the host.
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