Re: Review Request 61183: Triggered 'UpdateSlaveMessage' when 'ResourceProviderManager' updates.

[Jie Yu <yu...@gmail.com>]

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Ship it!




Ship It!

- Jie Yu


On Sept. 29, 2017, 9:14 a.m., Benjamin Bannier wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/61183/
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> (Updated Sept. 29, 2017, 9:14 a.m.)
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> 
> Review request for mesos, Jie Yu and Jan Schlicht.
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> Repository: mesos
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> Description
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> 
> The agent's resource provider manager sends a
> 'ResourceProviderMessage' when its managed resources change. This
> commit adds handling in the agent so that an 'UpdateSlaveMessage' is
> sent to the master to update the total resource available on the
> agent.
> 
> In order to provide push-like handling of the resource provider
> manager's message queue, we chain recursive calls to the handler for
> continuous processing. Initially, processing is kicked off from
> 'Slave::initialize'. In this simple implementation we e.g., provide no
> direct way to stop processing of messages, yet, but it can be achieved
> by e.g., replacing the manager with a new instance (this would also
> require updating routes).
> 
> Since the agent can only send an 'UpdateSlaveMessage' when it is
> registered with a master, a simple back-off of 5 s is implemented which
> will defer processing of a ready message should the agent not yet have
> registered.
> 
> To facilitate logging we add a stringification function for
> 'ResourceProviderMessage's.
> 
> This patch also adjusts a number of tests to no expect two
> 'UpdateSlaveMessage's.
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> 
> Diffs
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>   src/resource_provider/message.hpp 3c7c3f2baeb726e04edd6ffbb9784699d7afe521 
>   src/slave/slave.hpp aea1e948209c7c8945665915bc2f6d8eb47814ef 
>   src/slave/slave.cpp bf85baf8b7f7ebf52afa25214e71278f18dc9b30 
>   src/tests/oversubscription_tests.cpp 02b10d6689dd6f01510cd2d5db2bb76b4b190eca 
>   src/tests/slave_tests.cpp 2ff6daba236972a732618257b25dc3e7fa4dec60 
> 
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> Diff: https://reviews.apache.org/r/61183/diff/16/
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> Testing
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> Tested on a number of platforms on internal CI.
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> Thanks,
> 
> Benjamin Bannier
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>