Chen Liang created HDFS-12002:
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Summary: 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
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
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 complains
{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
4. when passing in invalid argument e.g. -info on a non-existing container, an
exception will be displayed. We probably should not scare the users, and only
display just one error message. And move the exception display to debug mode
display or something.
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