Gour Saha commented on SLIDER-1259:

[~ste...@apache.org] , the patch looks good. From the description of 
"yarn.nodemanager.bind-host" I see this -
The actual address the server will bind to. If this optional address is set, 
the RPC and webapp servers will bind to this address and the port specified in 
yarn.nodemanager.address and yarn.nodemanager.webapp.address, respectively. 
This is most useful for making NM listen to all interfaces by setting to{code}

> Slider does not work in multi homed environments
> ------------------------------------------------
>                 Key: SLIDER-1259
>                 URL: https://issues.apache.org/jira/browse/SLIDER-1259
>             Project: Slider
>          Issue Type: Bug
>          Components: appmaster
>    Affects Versions: Slider 0.92
>            Reporter: Lev Bronshtein
>            Assignee: Steve Loughran
>            Priority: Minor
> In an an environment where Hadoop Worker nodes bind the Node Manager to an 
> interface with a hostname different from the one returned by socket.getfqdn() 
> for example in our test environment a difference between f-bcpc-vm3 and just 
> bcpc-vm3, which is the hostname bound to the management interface, but not 
> the interface for hadoop/production traffic.  This results in our inability 
> to introspect running jobs.
> For example running  *slider registry --name slider_poc --listexp* results in 
> the following output in the ResourceManager logs
> {quote}2018-01-26 17:30:32,147 INFO 
> org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet: ubuntu is 
> accessing unchecked 
> [http://bcpc-vm3.bcpc.example.com:46391/ws/v1/slider/publisher/exports] which 
> is the app master GUI of application_1516910361403_0094 owned by ubuntu 
>  2018-01-26 17:31:13,639 WARN org.mortbay.log: 
> /proxy/application_1516910361403_0094/ws/v1/slider/publisher/exports: 
> java.net.ConnectException: Connection timed out (Connection timed out) 
> {quote}
> Note how the redirect is to 
> [http://bcpc-vm3.bcpc.example.com:46391/ws/v1/slider/publisher/exports,] 
> where as it should have been to 
> [http://f-bcpc-vm3.bcpc.example.com:46391/ws/v1/slider/publisher/exports.]  
> Renaming the host to f-bcpc-vm3 results in appropriate behavior.
> perhaps *hostname.py* can be instructed to look at one of before registering 
> *yarn.nodemanager.address*
>  *yarn.nodemanager.bind-host*
>  *yarn.nodemanager.hostname*
> When called in Register.py
> register = {'responseId': int(id),
>   'timestamp': timestamp,
>   'label': self.config.getLabel(),
>   *'publicHostname': hostname.public_hostname(),*
>   'agentVersion': version,
>   'actualState': actualState,
>   'expectedState': expectedState,
>   'allocatedPorts': allocated_ports,
>   'logFolders': log_folders,
>   'tags': tags
>  }

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