> On Dec. 15, 2015, 9:56 a.m., Adam B wrote:
> > src/master/http.cpp, line 316
> > <https://reviews.apache.org/r/41075/diff/6/?file=1163906#file1163906line316>
> >
> >     I'm in agreement with Yong. This form of `model(role, name, weight)` 
> > isn't used anywhere, and is confusing alongside `modelRole(roleName, 
> > weight, Option<role>)`. Remove it and rename the other one to fit the 
> > `model(...)` pattern.
> 
> Neil Conway wrote:
>     Whoops, this version of `model(role, name, weight)` was included 
> accidentally (it is from an old version of the patch). Will remove.
>     
>     I'm not sure that changing `modelRole()` to use the `model(...)` naming 
> pattern is the right thing to do: the pattern is that `model(X)` returns a 
> JSON object modeled after `X`. In this case, the parameters will be `string 
> name, double weight, Option<Role*>`, so (a) it doesn't quite fit (b) from the 
> function name + arguments, it is a little unclear that `model(string name, 
> double weight, Option<Role*>)` is supposed to do.
> 
> Adam B wrote:
>     Although precedent exists, I would agree that it is also unclear what the 
> following existing `model(...)` call is supposed to do:
>     JSON::Object model(
>         const TaskInfo& task,
>         const FrameworkID& frameworkId,
>         const TaskState& state,
>         const std::vector<TaskStatus>& statuses);

Sure, I renamed `modelRole()` -> `model()`.


- Neil


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On Dec. 16, 2015, 10:43 p.m., Neil Conway wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/41075/
> -----------------------------------------------------------
> 
> (Updated Dec. 16, 2015, 10:43 p.m.)
> 
> 
> Review request for mesos, Adam B, Alexander Rukletsov, Benjamin Hindman, Greg 
> Mann, and Yongqiao Wang.
> 
> 
> Bugs: MESOS-4085
>     https://issues.apache.org/jira/browse/MESOS-4085
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Changed the behavior of the master when the `--roles` flag is NOT
> specified. Previously, this would allow only the `*` role to be used. Now,
> omitting `--roles` means that any role can be used. This is called "implicit
> roles". Configuring which principals can perform operations as which roles
> should be done using ACLs in the authorization system.
> 
> Note that this changes the behavior of the system when `--roles` is not
> specified. This is likely acceptable: if the operator didn't specify `--roles`
> in prior versions of Mesos, they were likely not using roles or authorization 
> at
> that time.
> 
> Another minor behavioral change is that the "/roles" endpoint will now only
> return results for currently "active" roles (those with one or more registered
> frameworks).
> 
> The `--roles` flag is now considered deprecated and will be removed in a 
> future
> version of Mesos.
> 
> 
> Diffs
> -----
> 
>   include/mesos/master/allocator.hpp 619ef01c3a7d640560653cfc1838dd09046d1da0 
>   include/mesos/master/allocator.proto 
> 702f56f56c3b1331613cecf26522986f6b572f8c 
>   src/master/allocator/mesos/allocator.hpp 
> 97ee80726ad155917811265a983258b0165d3451 
>   src/master/allocator/mesos/hierarchical.hpp 
> 99c742906874c30c39c159e58a65277ade3c07fd 
>   src/master/allocator/mesos/hierarchical.cpp 
> 5da825a1d578a9ee40b4985378fddb3c5fb3b416 
>   src/master/http.cpp 8dfd67f7d51b8395953d6beb77b2d71bc538eacd 
>   src/master/master.hpp 9aa548aa6e159046c94e4ec96f631ea8b3bfd5d8 
>   src/master/master.cpp 0d1482279c68f2a4a27dabaf28774769a5d515c4 
>   src/master/quota_handler.cpp 11167879b2480d9c8dd6398ca39c479089ec2272 
>   src/tests/allocator.hpp c7670525765491fe931a4ee38446fa7e9d79af42 
>   src/tests/hierarchical_allocator_tests.cpp 
> e239b4746494fcc2b362a83afb634a2ce5e25f9b 
>   src/tests/master_quota_tests.cpp 0473869783a714766ed26fff61d7f8c56342df74 
> 
> Diff: https://reviews.apache.org/r/41075/diff/
> 
> 
> Testing
> -------
> 
> "make check" on OSX 10.10 and Ubuntu 15.10; `--gtest_repeat=1000` for the 
> more likely role-related tests.
> 
> TODOs:
> 
> * Add tests for allocation behavior for weights + implicit roles
> * More tests for quota + implicit roles?
> 
> Notes:
> 
> * There's two places where we use manual `new`/`delete` where a `unique_ptr` 
> would probably be nicer. I'm inclined to leave this as-is for now though 
> (making use of unique_ptr is a broader issue).
> 
> 
> Thanks,
> 
> Neil Conway
> 
>

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