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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12002) Ozone : SCM cli misc fixes/improvements
Date Sat, 01 Jul 2017 07:14:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16071064#comment-16071064

Weiwei Yang commented on HDFS-12002:

Hi [~anu], yes I am +1 to the patch. Let me commit this shortly, thanks [~anu], [~vagarychen].

> Ozone : SCM cli misc fixes/improvements
> ---------------------------------------
>                 Key: HDFS-12002
>                 URL: https://issues.apache.org/jira/browse/HDFS-12002
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Chen Liang
>            Assignee: Chen Liang
>             Fix For: ozone
>         Attachments: HDFS-12002-HDFS-7240.001.patch
> Currently there are a few minor issues with the SCM CLI:
> 1. some commands do not use -c option to take container name. an issue with this is that
arguments need to be in a certain order to be correctly parsed, e.g.:
> {{./bin/hdfs scm -container -del c0 -f}} works, but
> {{./bin/hdfs scm -container -del -f c0}} will not
> A more important thing is that, since -del requires the following argument being container
name, if someone types {{./bin/hdfs scm -container -del -help}} it will be an error, while
we probably want to display a help message instead.
> 2.some subcommands are not displaying the errors in the best way it could be, e.g.:
> {{./bin/hdfs scm -container -del}} is wrong because it misses container name. So cli
> {code}
> Missing argument for option: del
> Unrecognized options:[-container, -del]
> usage: hdfs scm <commands> [<options>]
> where <commands> can be one of the following
>  -container   Container related options
> {code}
> but this does not really show that it is container name it is missing
> 3. probably better to rename -del to -delete to be consistent with other commands like
-create and -info

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