[jira] [Updated] (WHIRR-548) Allow whirr to reuse existing compute services

["Ioannis Canellos (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WHIRR-548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ioannis Canellos updated WHIRR-548:
-----------------------------------

    Attachment: WHIRR-548.patch

I am attaching a patch which adds the following:

a) ClusterSpec can be assigned directly a ComputeService.
b) ComputeCache will now check the clusterSpec for an existing compute service.
c) Minor modifications to the api, so that the clusterSpec is passed directly in some methods (and not obtained throught the instance template as this patch makes possible to use whirr witout recipies).
d) Karaf commands have been updated to support reusing ComputeService from the OSGi service registry. Also code completion has been implemented for misc options including templates.
                
> Allow whirr to reuse existing compute services
> ----------------------------------------------
>
>                 Key: WHIRR-548
>                 URL: https://issues.apache.org/jira/browse/WHIRR-548
>             Project: Whirr
>          Issue Type: Improvement
>            Reporter: Ioannis Canellos
>            Assignee: Ioannis Canellos
>             Fix For: 0.8.0
>
>         Attachments: WHIRR-548.patch
>
>
> When using whirr as a library or inside a managed environment it's possible that the compute service is managed separately from whirr.
> For these cases it would be useful to allow whirr to reuse an existing compute service.
> I am thinking that we could have the a compute service property as part of ClusterSpec. In these cases whirr could reuse the compute service if available.

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