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From Andrew Schwartzmeyer <>
Subject Re: Review Request 65147: Windows: Fixed docker executor `PATH` variable.
Date Tue, 16 Jan 2018 20:05:54 GMT

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(Updated Jan. 16, 2018, 12:05 p.m.)

Review request for mesos, Akash Gupta, Gilbert Song, Jie Yu, and Joseph Wu.

Bugs: MESOS-8443

Repository: mesos

Description (updated)

The `docker` executable is not usually installed in
`os::host_default_path()` on Windows, so the Executor cannot find it.
Now, before launching the Executor, the Agent finds the directory
containing `docker` and prepends it to the `PATH` given to the Executor
so that both the Executor and Agent use the same `docker`.

Diffs (updated)

  src/slave/containerizer/docker.cpp b42fe1f4b7151ee5cb1d7c680c7c0237882bd4bb 




Tested on Windows 10, all passed.

Integration tested (courtsey of Akash) that Docker containers can be launched without manually
fixing the path.

`make check` on CentOS 7, all passed.

NOTE: This is Windows-only, and replaces [#64570]( Joseph
and I worked out this approach to prevent a regression for Mesos customers moving from `1.4`
to `1.5`; see MESOS-8443 for details.


Andrew Schwartzmeyer

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