[jira] [Commented] (MESOS-5271) Add alias support for Flags

["Alexander Rukletsov (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-5271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15262671#comment-15262671 ] 

Alexander Rukletsov commented on MESOS-5271:
--------------------------------------------

It looks like we've accidentally introduced slicing in flags code (MESOS-3335) when we refactored {{Option<>}} class (MESOS-1991). [~bbannier] plans to investigate it and fix it when we both have some spare cycles. I would like us to refrain from introducing new features to a subsystem where we have known open critical bugs.

> Add alias support for Flags
> ---------------------------
>
>                 Key: MESOS-5271
>                 URL: https://issues.apache.org/jira/browse/MESOS-5271
>             Project: Mesos
>          Issue Type: Improvement
>            Reporter: Vinod Kone
>            Assignee: Vinod Kone
>
> Currently there is no support for a flag to have an alias. Such support would be useful to rename/deprecate a flag.
> For example, for MESOS-4386, we could let the flag have `--authenticate` name and a `--authenticate_frameworks` alias. The alias can be marked as deprecated (need to add support for this as well).
> This support will also be useful for slave/agent flag rename. See MESOS-3781 for details.



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