[jira] [Created] (BROOKLYN-463) Improve CLI login feedback

["Sam Corbett (JIRA)" <ji...@apache.org>]

Sam Corbett created BROOKLYN-463:
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             Summary: Improve CLI login feedback
                 Key: BROOKLYN-463
                 URL: https://issues.apache.org/jira/browse/BROOKLYN-463
             Project: Brooklyn
          Issue Type: Sub-task
            Reporter: Sam Corbett


I expected a {{br login}} command to prompt for a username and password when only run with the URL for the server. Instead it exits with no useful information:
{code}
$ br login http://localhost:8081

$ echo $?
2
{code}

Giving a username behaves well:
{code}
$ br login http://localhost:8081 sam
Enter Password:
{code}

The CLI should either prompt for a username or print a usage summary when only invoked with a URL. If prompting for the username it could also allow simply {{br login}} and prompt for the endpoint parameter.



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