[jira] [Reopened] (MESOS-672) Web UI redirection does not work for hosts whose ip addresses are not publicly accessible

["Vinod Kone (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-672?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinod Kone reopened MESOS-672:
------------------------------

      Assignee: Vinod Kone  (was: Yan Xu)

> Web UI redirection does not work for hosts whose ip addresses are not publicly accessible
> -----------------------------------------------------------------------------------------
>
>                 Key: MESOS-672
>                 URL: https://issues.apache.org/jira/browse/MESOS-672
>             Project: Mesos
>          Issue Type: Bug
>    Affects Versions: 0.14.0
>            Reporter: Jie Yu
>            Assignee: Vinod Kone
>              Labels: twitter
>             Fix For: 0.17.0
>
>
> Web UI redirection does not work for hosts where the local interface address is not publicly accessible. For example, with EC2 the redirection will not work.
> There are some possible solutions:
> (1) Add a new REST endpoint on the master called 'info'. When master A finds out that master B is the leader it hits master B's '/master/info' endpoint to get back information about that master including it's (public) hostname. 
>     - This also requires making sure that each master uses it's public hostname which may possibly require adding a --hostname flag (similar to what we did on the slave). 
>     - Alternatively, we could update os::hostname to special case EC2, thus making Mesos work "out of the box" without requiring operators to explicitly set it to the private hostname. 
> (2) Add a 'hostname' field to PID and make sure that stringification of the PID uses the hostname. Then master redirection is done by getting the hostname of the PID instead of the IP. Note this still requires detecting the public hostname using mechanisms mentioned in (1). 
> (3) Store a separate ZNode for the public hostname. Patch from Brenden Matthews: https://reviews.apache.org/r/11975/
> (4) Store a protobuf blob of 'MasterInfo' in ZooKeeper which includes the hostname field (suggested by Vinod Kone in the above review). We have to deal with issues with backwards compatibility. When old slaves read the new master's data, it deserializes the protobuf blob as a PID; when new slaves read the old master's data, it deserializes the PID as protobuf.
> This ticket intends to evaluate these potential solutions and solicit new ideas.



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