> On July 22, 2014, 12:54 a.m., Bill Farner wrote:
> > Do you think this should be obviated by https://reviews.apache.org/r/23741/ 
> > ?
> 
> Misho Krastev wrote:
>     This looks like elegant (declarative) solution to export REST variant of 
> the native thrift interface. I am not familiar with the Aurora scheduler code 
> so I can not read very well the diffs. From the review request description 
> and what I understand from the diffs, I would vote for that (your) solution.
>     
>     However, I don't think this REST service can be replaced by the other 
> one. The reason is the REST service that I submitted for review is an 
> interface to the capabilities provided by the Aurora client, and this client 
> is functionality-rich. It adds more features on top of those offered by the 
> scheduler. In particular, what we needed was the ability to do rolling 
> upgrades where instances (shards) are upgraded in batches and not en bloc. 
> There are other examples but this is the one that is of great importance to 
> us.
> 
> Bill Farner wrote:
>     Ah, yes - good point.  We're actually embarking on pulling update 
> orchestration into the scheduler [1] this week, after which we will remove 
> the updating logic from the client.
>     
>     
>     [1] 
> http://mail-archives.apache.org/mod_mbox/incubator-aurora-dev/201407.mbox/browser
> 
> Bill Farner wrote:
>     Err, here's the permalink: 
> http://mail-archives.apache.org/mod_mbox/incubator-aurora-dev/201407.mbox/%3CCAGRA8uMxwVDokp_iHXhNru2gd-x_nM%2BDYAurpfAO6wuX7%3DnHFw%40mail.gmail.com%3E

Very well. You are adding REST interface to the scheduler, and when you have 
the additional features that today are offered by the client it will be the 
complete solution. Hope it will be available soon, until that time we'll be 
using our version of the REST service.

I will also look into the option to change this code into standalone 
application that can be built with the aurora client libraries but outside of 
the codebase. It will be good exercise and it may be useful to someone.

I will remove this review request. Thanks for the comments.


- Misho


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On July 21, 2014, 10:58 p.m., Misho Krastev wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/23666/
> -----------------------------------------------------------
> 
> (Updated July 21, 2014, 10:58 p.m.)
> 
> 
> Review request for Aurora.
> 
> 
> Repository: aurora
> 
> 
> Description
> -------
> 
> REST service for aurora client commands, built using Tornado Web framework
> 
> This is a draft implementation of a REST server exposing APIs to call Aurora 
> client commands. It is a wrapper around the aurora command-line client and 
> aurora client code. It implements some but not all of the commands available 
> with the aurora command-line client. Comments on the code as well suggestions 
> for improvements and enhancements are requested.
> 
> This work is a eBay project that we would like to contribute to the Aurora 
> project.
> 
> Note: development is still ongoing to add unittests and to resolve the issues 
> discovered with the stress tests.
> Note(2): GitHub repo -- https://github.com/misho-kr/incubator-aurora
> 
> 
> Diffs
> -----
> 
>   3rdparty/python/BUILD 641d610deb58fd102ec584e3deaa388b51a6f221 
>   docs/client-rest-api.md PRE-CREATION 
>   src/main/python/apache/aurora/client/bin/BUILD 
> 43d747956df0611b0880f64df9955d5f5806901c 
>   src/main/python/apache/aurora/client/bin/aurora_rest.py PRE-CREATION 
>   src/main/python/apache/aurora/client/rest/BUILD PRE-CREATION 
>   src/main/python/apache/aurora/client/rest/application.py PRE-CREATION 
>   src/main/python/apache/aurora/client/rest/application_async.py PRE-CREATION 
>   src/main/python/apache/aurora/client/rest/coroutine_executor.py 
> PRE-CREATION 
>   src/main/python/apache/aurora/client/rest/external_executor.py PRE-CREATION 
>   src/main/python/apache/aurora/client/rest/internal_executor.py PRE-CREATION 
>   src/main/python/apache/aurora/client/rest/mp_executor.py PRE-CREATION 
>   src/main/python/apache/aurora/client/rest/mt_executor.py PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/23666/diff/
> 
> 
> Testing
> -------
> 
> Stress testing with Locust to verify the REST service can handle multiple 
> requests simultaneously. Not all of them passed, particularly the ones with 
> the internal executor that calls Aurora client api.
> 
> 
> Thanks,
> 
> Misho Krastev
> 
>

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