Jim Brennan created YARN-8027:
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Summary: Setting hostname of docker container breaks for
--net=host in docker 1.13
Key: YARN-8027
URL: https://issues.apache.org/jira/browse/YARN-8027
Project: Hadoop YARN
Issue Type: Bug
Components: yarn
Affects Versions: 3.0.0
Reporter: Jim Brennan
Assignee: Jim Brennan
In DockerLinuxContainerRuntime:launchContainer, we are adding the --hostname
argument to the docker run command to set the hostname in the container to
something like: ctr-e84-1520889172376-0001-01-000001.
This does not work when combined with the --net=host command line option in
Docker 1.13.1. It causes multiple failures when the client tries to resolve
the hostname and it fails.
We haven't seen this before because we were using docker 1.12.6 which seems to
ignore --hostname when you are using --net=host.
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