Anand Mazumdar created MESOS-6781:
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Summary: Mesos containerizer overrides environment variables
passed to the executor incorrectly.
Key: MESOS-6781
URL: https://issues.apache.org/jira/browse/MESOS-6781
Project: Mesos
Issue Type: Bug
Components: containerization
Reporter: Anand Mazumdar
Assignee: Jie Yu
Priority: Blocker
Currently, the mesos containerizer appends the default environment variables of
the executor and appends them _after_ any environment that were over-ridden by
an isolator. This is problematic e.g., if the CNI isolator over-rides
{{LIBPROCESS_IP}} in an overlay network. The containerizer would give the
executor environment variables more preference meaning that the container would
end up inheriting the IP address of the agent!
https://github.com/apache/mesos/blob/master/src/slave/containerizer/mesos/containerizer.cpp#L1412-L1421
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