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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/42733/
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Review request for mesos, Jie Yu, Michael Park, and Neil Conway.


Repository: mesos


Description
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Added checks for presence of `ReservationInfo.principal`.

The `ReservationInfo.principal` field was recently made `optional`. During the 
deprecation cycle, requests that do not have the field set are invalidated and 
rejected. However, there remain a couple places in the code that assume this 
field is always set. This patch uses `has_principal()` before this field is 
accessed to ensure safety.


Diffs
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  src/common/resources.cpp 0fcf86014ab5c9908a1cdb3a57b7c5e70acd7737 
  src/master/master.cpp 9ee56277c8a472be9e683d5db505becfb5f7c422 
  src/v1/resources.cpp 126e5a2f567d2e281da3f99bc485f7960567eee5 

Diff: https://reviews.apache.org/r/42733/diff/


Testing
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`make check`


Thanks,

Greg Mann

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