[jira] [Created] (YARN-7654) Support ENTRY_POINT for docker container

["Eric Yang (JIRA)" <ji...@apache.org>]

Eric Yang created YARN-7654:
-------------------------------

             Summary: Support ENTRY_POINT for docker container
                 Key: YARN-7654
                 URL: https://issues.apache.org/jira/browse/YARN-7654
             Project: Hadoop YARN
          Issue Type: Sub-task
          Components: yarn
    Affects Versions: 3.1.0
            Reporter: Eric Yang


Docker image may have ENTRY_POINT predefined, but this is not supported in the current implementation.  It would be nice if we can detect existence of {{launch_command}} and base on this variable launch docker container in different ways:

h3. Launch command exists
{code}
docker run [image]:[version]
docker exec [container_id] [launch_command]
{code}

h3. Use ENTRY_POINT
{code}
docker run [image]:[version]
{code}



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