[jira] [Assigned] (KUDU-1948) Client-side configuration of cluster details

["Adar Dembo (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KUDU-1948?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adar Dembo reassigned KUDU-1948:
--------------------------------

    Assignee: Yingchun Lai  (was: Grant Henke)

> Client-side configuration of cluster details
> --------------------------------------------
>
>                 Key: KUDU-1948
>                 URL: https://issues.apache.org/jira/browse/KUDU-1948
>             Project: Kudu
>          Issue Type: New Feature
>          Components: client, security
>    Affects Versions: 1.3.0
>            Reporter: Todd Lipcon
>            Assignee: Yingchun Lai
>            Priority: Major
>
> In the beginning, Kudu clients were configured with only the address of the single Kudu master. This was nice and simple, and there was no need for a client "configuration file".
> Then, we added multi-masters, and the client API had to take a list of master addresses. This wasn't awful, but started to be a bit aggravating when trying to use tools on a multi-master cluster (who wants to type out three long hostnames in a 'ksck' command line every time?).
> Now with security, we have a couple more bits of configuration for the client. Namely:
> - "require SSL" and "require authentication" booleans -- necessary to prevent MITM downgrade attacks
> - custom Kerberos principal -- if the server wants to use a principal other than 'kudu/<HOST>@REALM' then the client needs to know to expect it and fetch the appropriate service ticket. (Note this isn't yet supported but would like to be!)
> In the future, there are other items that might be best specified as part of a client configuration as well (e.g. CA cert for BYO PKI, wire compression options, etc).
> For the above use cases it would be nicer to allow the various options to be specified in a configuration file rather than adding specific APIs for all options.



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