Sandeep More commented on KNOX-1187:

[~pzampino], I attached a new patch with the suggested changes, there were few 
bugs that I came across while testing which are fixed in this patch, thanks 
again for going over it the patch last time !

> Distributed Alias Service
> -------------------------
>                 Key: KNOX-1187
>                 URL: https://issues.apache.org/jira/browse/KNOX-1187
>             Project: Apache Knox
>          Issue Type: Bug
>          Components: Server
>    Affects Versions: 0.14.0, 1.0.0
>            Reporter: Phil Zampino
>            Assignee: Sandeep More
>            Priority: Major
>             Fix For: 1.1.0
>         Attachments: KNOX-1187.001.patch, KNOX-1187.002.patch
> Given the ability to manage provider configurations and descriptors in 
> ZooKeeper, it would also be good to employ ZooKeeper for managing aliases 
> since descriptors reference them for discovery authentication.
> The benefits of ZooKeeper-managed descriptors is limited by the current need 
> to individually define the associated aliases at each and every Knox 
> instance. Any Knox instance for which the referenced alias has not been 
> defined will fail to generate/deploy the topology because service discovery 
> will fail.
> The resolution of this issue will provide a Knox administrator the ability to 
> define aliases in ZooKeeper, which will be consumed and applied by any Knox 
> instance configured to monitor that same ZooKeeper, similar to the way 
> provider configurations and descriptors are supported.
> In fact, the alias-related CLI commands could leverage the remote 
> configuration monitor config to determine whether the aliases should be 
> persisted to / read from ZooKeeper or locally. Knox could use the remote 
> configuration client service to monitor the remote alias configuration, and 
> apply changes locally.
> This will also require some kind of coordination of Knox master secrets; at a 
> minimum, each participating Knox instance will have to have been configured 
> with the same master secret.

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