[jira] Commented: (WHIRR-150) Allow retrieval of instance roles

["Lars George (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/WHIRR-150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12971417#action_12971417 ] 

Lars George commented on WHIRR-150:
-----------------------------------

+1

This is sweet and easily human readable as well as parsable by scripts. Thanks!

> Allow retrieval of instance roles
> ---------------------------------
>
>                 Key: WHIRR-150
>                 URL: https://issues.apache.org/jira/browse/WHIRR-150
>             Project: Whirr
>          Issue Type: Improvement
>          Components: core
>            Reporter: Tom White
>            Assignee: Tom White
>             Fix For: 0.3.0
>
>         Attachments: WHIRR-150.patch
>
>
> After a cluster has been launched there is no way to access the roles running on particular instances. It would be useful to find the workers in a Hadoop cluster, so you could operate on them (e.g. restarting the daemons on them).
> How this is implemented is probably different for different clouds. E.g. on EC2 it could be accomplished using tags, on other platforms a local file might be sufficient, and a blobstore might be another way.

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