Suma Shivaprasad created YARN-7935:
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Summary: Expose container's hostname to applications running
within the docker container
Key: YARN-7935
URL: https://issues.apache.org/jira/browse/YARN-7935
Project: Hadoop YARN
Issue Type: Sub-task
Components: yarn
Reporter: Suma Shivaprasad
Assignee: Suma Shivaprasad
Some applications have a need to bind to the container's hostname (like Spark)
which is different from the NodeManager's hostname(NM_HOST which is available
as an env during container launch) when launched through Docker runtime. The
container's hostname can be exposed to applications via an env
CONTAINER_HOSTNAME. Another potential candidate is the container's IP but this
can be addressed in a separate jira.
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