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From "Bharat Viswanadham (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (HDDS-2236) Remove default http-bind-host from ozone-default.xml
Date Wed, 02 Oct 2019 21:30:00 GMT

     [ https://issues.apache.org/jira/browse/HDDS-2236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bharat Viswanadham resolved HDDS-2236.
--------------------------------------
    Resolution: Not A Problem

Discussed offline with [~arp], this was an intentional choice to use http.bind.host to 0.0.0.0
so that on multihomed environments/normal clusters it binds to all interfaces.

> Remove default http-bind-host from ozone-default.xml
> ----------------------------------------------------
>
>                 Key: HDDS-2236
>                 URL: https://issues.apache.org/jira/browse/HDDS-2236
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>            Reporter: Bharat Viswanadham
>            Priority: Major
>
> Right now, in the code to get HttpBindAddress
>  
> final Optional<String> bindHost =
>  getHostNameFromConfigKeys(conf, bindHostKey);
> final Optional<Integer> addressPort =
>  getPortNumberFromConfigKeys(conf, addressKey);
> final Optional<String> addressHost =
>  getHostNameFromConfigKeys(conf, addressKey);
> String hostName = bindHost.orElse(addressHost.orElse(bindHostDefault));
> return NetUtils.createSocketAddr(
>  hostName + ":" + addressPort.orElse(bindPortdefault));
>  
> So, if http-address is mentioned in the config with some hostname, still bind-host (0.0.0.0)
will be used, as ozone-default.xml has value for http-bind-host with 0.0.0.0.
>  
> Like this, we need to delete the default 0.0.0.0 for recon,freon,datanode.
> <property>
>  <name>ozone.om.http-bind-host</name>
>  <value>0.0.0.0</value>
>  <tag>OM, MANAGEMENT</tag>
>  <description>
>  The actual address the OM web server will bind to. If this optional
>  the address is set, it overrides only the hostname portion of
>  ozone.om.http-address.
>  </description>



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