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From Andrei Budnik <abud...@mesosphere.com>
Subject Re: Review Request 65261: Fixed connection refused error in IOSwitchboard for unix socket.
Date Tue, 23 Jan 2018 16:20:53 GMT


> On Jan. 23, 2018, 3:12 p.m., Alexander Rukletsov wrote:
> > src/slave/containerizer/mesos/io/switchboard.cpp
> > Lines 842-843 (original), 845-852 (patched)
> > <https://reviews.apache.org/r/65261/diff/1/?file=1943241#file1943241line849>
> >
> >     If you add an override for  `getContainerIOSwitchboardSocketTempPath()` that
takes same arguments as  `getContainerIOSwitchboardSocketPath()`, this snippet will reduce
to a tertiary operator and will become more readable.

`getContainerIOSwitchboardSocketTempPath()` is also used in `IOSwitchboardServer::create()`,
so it looks like we can't have same arguments as for `getContainerIOSwitchboardSocketPath`.


- Andrei


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https://reviews.apache.org/r/65261/#review196009
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On Jan. 22, 2018, 1 p.m., Andrei Budnik wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/65261/
> -----------------------------------------------------------
> 
> (Updated Jan. 22, 2018, 1 p.m.)
> 
> 
> Review request for mesos, Alexander Rukletsov, Jie Yu, and Kevin Klues.
> 
> 
> Bugs: MESOS-7742
>     https://issues.apache.org/jira/browse/MESOS-7742
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Once IOSwitchboard's unix socket appears in the file system, the agent
> can try to connect to it. If the agent attempts to connect to the
> socket before `listen` has been called, then it gets connection refused
> error. To address this, create a unix socket using a temporary name,
> then initialize it, then rename the socket with the original path.
> 
> 
> Diffs
> -----
> 
>   src/slave/containerizer/mesos/io/switchboard.cpp 45b615be60af9af839309011eea85912c01ff451

>   src/slave/containerizer/mesos/paths.hpp 65830a153f765c74bb0399bca9b2941390eeb531 
>   src/slave/containerizer/mesos/paths.cpp 0df4cf5f50aee94a2758ce885389fb488a85fdbd 
> 
> 
> Diff: https://reviews.apache.org/r/65261/diff/1/
> 
> 
> Testing
> -------
> 
> make check (Fedora 25)
> internal CI
> 
> 
> Thanks,
> 
> Andrei Budnik
> 
>


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