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https://issues.apache.org/jira/browse/DTACLOUD-426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13559733#comment-13559733
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Marios Andreou commented on DTACLOUD-426:
-----------------------------------------
* for 'create_instance' - are you thinking of a specific scenario where an
instance cannot be created from an image? (e.g. rhevm/vsphere)? If so please
elaborate.
* for 'delete_image' - the "/server/views/images/show.xml.haml" template is
doing:
18 - if driver.respond_to? :destroy_image$
19 %link{ :rel => 'destroy_image', :method => :delete, :href =>
"#{destroy_image_url(@image.id)}" }$
i.e., checking if 'destroy_image' is defined in the driver. Again, are you
thinking of a specific scenario where an driver *does* have the 'destroy_image'
method defined, but the image cannot be deleted, for example because it is in
use for a particular instance? If this is the case, I don't know what we can
do, since we don't maintain state and so wouldn't know which current instances
are using which images; we could 'brute force' it, by retrieving every instance
and checking if instance.image_id == to_be_deleted_image.id. But again, needs
discussion (I'd be against this 'solution' for performance reasons - imaging
1000 instances ...). Or, you may be thinking of a different scenario and if so
please elaborate.
> Only create links for actions that can currently be performed
> -------------------------------------------------------------
>
> Key: DTACLOUD-426
> URL: https://issues.apache.org/jira/browse/DTACLOUD-426
> Project: DeltaCloud
> Issue Type: Bug
> Components: Native/Frontend
> Reporter: Joseph J. VLcek
> Assignee: Marios Andreou
> Priority: Minor
>
> In the XML template for image, links for 'create_instance' and
> 'delete_image' are unconditionally generated.
> That needs to be changed so only links for actions that
> can currently be performed are created.
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