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From "Michael Park (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-6142) Frameworks may RESERVE for an arbitrary role.
Date Mon, 26 Sep 2016 14:25:20 GMT

    [ https://issues.apache.org/jira/browse/MESOS-6142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15523215#comment-15523215
] 

Michael Park commented on MESOS-6142:
-------------------------------------

It looks like there are actually a couple of {{TODO}}s from [~bmahler] about this.
- https://github.com/apache/mesos/blob/1.0.1/src/master/allocator/mesos/hierarchical.cpp#L245-L246
- https://github.com/apache/mesos/blob/1.0.1/src/master/allocator/mesos/hierarchical.cpp#L430-L431

> Frameworks may RESERVE for an arbitrary role.
> ---------------------------------------------
>
>                 Key: MESOS-6142
>                 URL: https://issues.apache.org/jira/browse/MESOS-6142
>             Project: Mesos
>          Issue Type: Bug
>          Components: allocation, master
>    Affects Versions: 1.0.0
>            Reporter: Alexander Rukletsov
>            Priority: Blocker
>              Labels: mesosphere, reservations
>             Fix For: 1.1.0
>
>
> The master does not validate that resources from a reservation request have the same
role the framework is registered with. As a result, frameworks may reserve resources for arbitrary
roles.
> I've modified the role in [the {{ReserveThenUnreserve}} test|https://github.com/apache/mesos/blob/bca600cf5602ed8227d91af9f73d689da14ad786/src/tests/reservation_tests.cpp#L117]
to "yoyo" and observed the following in the test's log:
> {noformat}
> I0908 18:35:43.379122 2138112 master.cpp:3362] Processing ACCEPT call for offers: [ dfaf67e6-7c1c-4988-b427-c49842cb7bb7-O0
] on agent dfaf67e6-7c1c-4988-b427-c49842cb7bb7-S0 at slave(1)@10.200.181.237:60116 (alexr.railnet.train)
for framework dfaf67e6-7c1c-4988-b427-c49842cb7bb7-0000 (default) at scheduler-ca12a660-9f08-49de-be4e-d452aa3aa6da@10.200.181.237:60116
> I0908 18:35:43.379170 2138112 master.cpp:3022] Authorizing principal 'test-principal'
to reserve resources 'cpus(yoyo, test-principal):1; mem(yoyo, test-principal):512'
> I0908 18:35:43.379678 2138112 master.cpp:3642] Applying RESERVE operation for resources
cpus(yoyo, test-principal):1; mem(yoyo, test-principal):512 from framework dfaf67e6-7c1c-4988-b427-c49842cb7bb7-0000
(default) at scheduler-ca12a660-9f08-49de-be4e-d452aa3aa6da@10.200.181.237:60116 to agent
dfaf67e6-7c1c-4988-b427-c49842cb7bb7-S0 at slave(1)@10.200.181.237:60116 (alexr.railnet.train)
> I0908 18:35:43.379767 2138112 master.cpp:7341] Sending checkpointed resources cpus(yoyo,
test-principal):1; mem(yoyo, test-principal):512 to agent dfaf67e6-7c1c-4988-b427-c49842cb7bb7-S0
at slave(1)@10.200.181.237:60116 (alexr.railnet.train)
> I0908 18:35:43.380273 3211264 slave.cpp:2497] Updated checkpointed resources from  to
cpus(yoyo, test-principal):1; mem(yoyo, test-principal):512
> I0908 18:35:43.380574 2674688 hierarchical.cpp:760] Updated allocation of framework dfaf67e6-7c1c-4988-b427-c49842cb7bb7-0000
on agent dfaf67e6-7c1c-4988-b427-c49842cb7bb7-S0 from cpus(*):1; mem(*):512; disk(*):470841;
ports(*):[31000-32000] to ports(*):[31000-32000]; cpus(yoyo, test-principal):1; disk(*):470841;
mem(yoyo, test-principal):512 with RESERVE operation
> {noformat}



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