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From "Andrew Phillips (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (JCLOUDS-331) Allow Image preference logic to be supplied to TemplateBuilder
Date Thu, 07 Nov 2013 02:30:17 GMT

    [ https://issues.apache.org/jira/browse/JCLOUDS-331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13815570#comment-13815570

Andrew Phillips commented on JCLOUDS-331:

Small fix: https://github.com/jclouds/jclouds/pull/198

> Allow Image preference logic to be supplied to TemplateBuilder
> --------------------------------------------------------------
>                 Key: JCLOUDS-331
>                 URL: https://issues.apache.org/jira/browse/JCLOUDS-331
>             Project: jclouds
>          Issue Type: Improvement
>          Components: jclouds-core
>            Reporter: Alex Heneveld
>            Assignee: Andrew Phillips
>            Priority: Minor
>             Fix For: 1.7.0
>         Attachments: JCLOUDS-331-2.patch, JCLOUDS-331.patch
> I'd like to tie in to jclouds's TemplateBuilder so that I can use its filtering/matching
capabilities but then use custom logic to determine which of the matching images is "best"
(for my custom value of best, i.e. preferred). 
> The driving use case is that I want a portable way to say "any recent ubuntu or centos".
 Normally this is the default of course but it doesn't always do the right thing when other
options are specified -- broken ubuntu "alpha" images in AWS being the worst offender (asking
for 16gb RAM in us-west-1 gives back an awful ubuntu 8.04 alpha, for instance!).  It would
also handle use cases where someone wants to say "Ubuntu 11 or 12, or CentOS 6.x, is best.
failing that, Ubuntu 10 or CentOS 5.x. (and never any alpha images!)".
> I'm thinking allowing to set an `imageSorter(Ordering)`. This fits with how
> the TemplateBuilderImpl currently works (it already uses an Ordering, you just can't
change it; and it stays in line with the naming convention of `Sorter` as in `Ordering hardwareSorter()`.)

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