[jira] [Created] (YARN-3282) DockerContainerExecutor should support environment variables setting

["Leitao Guo (JIRA)" <ji...@apache.org>]

Leitao Guo created YARN-3282:
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             Summary: DockerContainerExecutor should support environment variables setting
                 Key: YARN-3282
                 URL: https://issues.apache.org/jira/browse/YARN-3282
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: applications, nodemanager
    Affects Versions: 2.6.0
            Reporter: Leitao Guo


Currently, DockerContainerExecutor will mount "yarn.nodemanager.local-dirs" and "yarn.nodemanager.log-dirs" to containers automatically. However applications maybe need set more environment variables before launching containers. 

In our applications, just as the following command, we need to attach several directories and set some environment variables to docker containers. 

{code}
docker run -i -t -v /data/transcode:/data/tmp -v /etc/qcs:/etc/qcs -v /mnt:/mnt -e VTC_MQTYPE=rabbitmq -e VTC_APP=ugc -e VTC_LOCATION=sh -e VTC_RUNTIME=vtc sequenceiq/hadoop-docker:2.6.0 /bin/bash
{code}



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