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From Zhitao Li <zhitaoli...@gmail.com>
Subject Re: Review Request 45177: Setting DiscoveryInfo.
Date Fri, 01 Apr 2016 16:49:28 GMT


> On April 1, 2016, 12:05 p.m., Stephan Erb wrote:
> > src/main/java/org/apache/aurora/scheduler/mesos/MesosTaskFactory.java, line 242
> > <https://reviews.apache.org/r/45177/diff/3/?file=1321463#file1321463line242>
> >
> >     Should we consider using the inverse notation here? This would be `<instance
id>.<jobname>.<environment>.<role>` instead of `<role>.<environment>.<jobname>.<instance
id>`? @benley made a simmilar comment on the mailing list.
> >     
> >     What do you think?

I'll give this a try and test again, but I suspect current implementation of Mesos DNS simply
swallows dot and truncates the string with its own standard.

`<instance id>` probably should be left out by default since client wants load balance
among instances instead of one instance per record?


- Zhitao


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On March 31, 2016, 9:48 p.m., Zhitao Li wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/45177/
> -----------------------------------------------------------
> 
> (Updated March 31, 2016, 9:48 p.m.)
> 
> 
> Review request for Aurora, Kunal Thakar and Stephan Erb.
> 
> 
> Repository: aurora
> 
> 
> Description
> -------
> 
> This allows alternative service discovery methodologies to find tasks from Aurora (e.g.
mesos-dns), especially the dynamic port mapping.
> 
> 
> Diffs
> -----
> 
>   RELEASE-NOTES.md 6fc3afeb5a9e2f2c2ba944fbc6d611d3494eb779 
>   examples/vagrant/upstart/aurora-scheduler.conf d61801c0b7c9683434a548a26bed3c49bbb75927

>   src/main/java/org/apache/aurora/scheduler/configuration/executor/ExecutorModule.java
add1270409b7e82578267a2c10cf2afe6e93e3de 
>   src/main/java/org/apache/aurora/scheduler/configuration/executor/ExecutorSettings.java
7beea81a1e97f3f2fce215ff3e364919c3aebf6d 
>   src/main/java/org/apache/aurora/scheduler/mesos/MesosTaskFactory.java 85c550bb5754154de5f639df4a0992d10cb70993

>   src/main/java/org/apache/aurora/scheduler/mesos/TestExecutorSettings.java 7110fbd78b1b4356acd40e5ab9c3379e5ac19df7

>   src/test/java/org/apache/aurora/scheduler/mesos/MesosTaskFactoryImplTest.java 3a6048633efceec68b15d3c511237c0f1871a3fc

> 
> Diff: https://reviews.apache.org/r/45177/diff/
> 
> 
> Testing
> -------
> 
> 1. Added unit test;
> 2. Use the vagrant environment to start the example in http_example.aurora, and observe
the following in master's state.json:
> 
> ```
> curl 192.168.33.7:5050/state | jq . | less
> ....
> "tasks": [
> {
> "discovery": {
> "environment": "test",
> "name": "vagrant.test.http_example.1",
> "ports": {
> "ports": [
> {
> "name": "http",
> "number": 31648
> }
> ]
> },
> "visibility": "CLUSTER"
> },
> "executor_id": "thermos-vagrant-test-http_example-1-69c3908a-e8cd-44a7-a824-dd87ef5920f0",
> "framework_id": "770e194c-6366-41f2-8a2d-e2c616aa9490-0000",
> "id": "vagrant-test-http_example-1-69c3908a-e8cd-44a7-a824-dd87ef5920f0",
> "name": "vagrant/test/http_example",
> "resources": {
> "cpus": 0.4,
> "disk": 64,
> "mem": 32,
> "ports": "[31648-31648]"
> },
> ...
> ....
> ```
> 
> 
> Thanks,
> 
> Zhitao Li
> 
>


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