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From Joseph Wu <>
Subject Re: Review Request 47150: Implemented new asynchronous docker pre-launch hook.
Date Fri, 27 May 2016 22:07:01 GMT

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(Updated May 27, 2016, 3:07 p.m.)

Review request for mesos, Adam B, Artem Harutyunyan, Jie Yu, and Kapil Arya.


Renamed hook.  Removed 3 arguments from interface.  Reworked some comments.  Tweaked test.

Bugs: MESOS-5350

Repository: mesos

Description (updated)

Introduces, but does not fully wire up a new hook.

The new hook, "slavePreLaunchDockerEnvironmentDecorator",
has divergent semantics compared with existing hooks:

* The hook is asynchronous,
* can prevent a task from launching if it errors,
* can overwrite environment variables.

The new hook is intended to be a strictly-superior 
replacement for the existing hook "slavePreLaunchDockerHook".

Diffs (updated)

  include/mesos/hook.hpp 210ffba09f5acae34ca49b888a781f683777f9ca 
  src/examples/test_hook_module.cpp 4b97f84204934d0e678786fd6cde38b89a6f8f48 
  src/hook/manager.hpp 528674e36639fe78137ba0a4bb004c99730e7a22 
  src/hook/manager.cpp 381807d582998043d73e9b8c9d3c1fddbcf73cf1 
  src/tests/hook_tests.cpp c6b4e8a50534e455cf44f427b09f74eef71177b2 



make check


Joseph Wu

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