[jira] Commented: (WHIRR-173) Add ClusterAction for generic script execution

["Adrian Cole (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/WHIRR-173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12974169#action_12974169 ] 

Adrian Cole commented on WHIRR-173:
-----------------------------------

this should be quite easy to implement, with the only concern being what to do with the aggregated shell script responses.  currently, jclouds' ComputeService.runScriptOnNodesMatching() function returns a Map<? extends NodeMetadata, ExecResponse> where the exec response may have an unsuccessful error code inside.

> Add ClusterAction for generic script execution
> ----------------------------------------------
>
>                 Key: WHIRR-173
>                 URL: https://issues.apache.org/jira/browse/WHIRR-173
>             Project: Whirr
>          Issue Type: Improvement
>            Reporter: Stu Hood
>
> The usecase is that once a cluster is launched, it is useful to be able to execute named scripts against predicate-matched nodes in the cluster.
> Tom indicated that this Action is likely to look almost exactly like ConfigureClusterAction: in fact, it may just be renaming ConfigureClusterAction.

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