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From Michael Park <>
Subject Re: Review Request 60062: Prevented reserve/create with hierarchical roles on a non-capable agent.
Date Wed, 14 Jun 2017 21:39:44 GMT

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(Updated June 14, 2017, 2:39 p.m.)

Review request for mesos and Neil Conway.


Addressed Neil's comments.

Repository: mesos

Description (updated)

This patch makes it such that reserve / create operations involving
resources with a hierarchical role are invalid if they are attempted on
an agent without a HIERARCHICAL_ROLE capability. Such attempts from an
operator endpoint will result in a `BadRequest` response. On the
frameworks side, we've opted to not offer resources from
a non-HIERARCHICAL_ROLE agent to hierarchical roles (ca8d33ab).

If we were to undo ca8d33ab, an attempt from a framework to perform such
an operation would be considered invalid due to this patch and the
operation would be dropped by the master.

Diffs (updated)

  src/master/http.cpp 1dcfe6ef00b0e3984deb79a511e665f638661323 
  src/master/master.cpp 3c6925dc6055fb7cec12ec03bc557ad462863c58 
  src/master/validation.hpp 6b53e34f67f6a8b338b92db6cb7398f1dccce5a9 
  src/master/validation.cpp f45f9e816bdaf6304794604570edbd68d5faf715 
  src/tests/master_validation_tests.cpp 4e7ce74edf0069b9317f869b299694a45e2a62f2 




Added new tests to `master_validation_tests.cpp` + `make check`


Michael Park

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