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https://issues.apache.org/jira/browse/WHIRR-195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12988084#action_12988084
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Andrei Savu commented on WHIRR-195:
-----------------------------------
That was the first thing I've done before adding the
ClusterActionHandlerFactory class. I will rewrite the patch if you think that
adding a new class it's too much.
> Display available roles instead of service names when running ./bin/whirr
> -------------------------------------------------------------------------
>
> Key: WHIRR-195
> URL: https://issues.apache.org/jira/browse/WHIRR-195
> Project: Whirr
> Issue Type: Improvement
> Components: cli
> Reporter: Andrei Savu
> Priority: Minor
> Attachments: WHIRR-195.patch, WHIRR-195.patch
>
>
> Now that service-name is optional I believe that we should display a list of
> the available roles (with a small description) instead of service names.
> Similar to:
> {code}
> $ ./bin/whirr
> Usage: whirr COMMAND [ARGS]
> where COMMAND may be one of:
> version Print the version number and exit.
> launch-cluster Launch a new cluster running a service.
> destroy-cluster Terminate and cleanup resources for a running cluster.
> list-cluster List the nodes in a cluster.
> Available roles for instances:
> nn hadoop name node
> jt hadoop job trackers
> ...
> {code}
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