[jira] [Created] (MESOS-1714) The C++ 'Resources' abstraction should keep the underlying resources flattened.

["Benjamin Mahler (JIRA)" <ji...@apache.org>]

Benjamin Mahler created MESOS-1714:
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             Summary: The C++ 'Resources' abstraction should keep the underlying resources flattened.
                 Key: MESOS-1714
                 URL: https://issues.apache.org/jira/browse/MESOS-1714
             Project: Mesos
          Issue Type: Bug
          Components: c++ api
            Reporter: Benjamin Mahler


Currently, the C++ Resources class does not ensure that the underlying Resources protobufs are kept flat.

This is an issue because some of the methods, e.g. [Resources::get|https://github.com/apache/mesos/blob/0.19.1/src/common/resources.cpp#L269], assume the resources are flat.

There is code that constructs unflattened resources, e.g. [Slave::launchExecutor|https://github.com/apache/mesos/blob/0.19.1/src/slave/slave.cpp#L3353]. We could prevent this type of construction, however it is perfectly fine if we ensure the C++ 'Resources' class performs flattening.



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