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https://issues.apache.org/jira/browse/JCLOUDS-1348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ignasi Barrera updated JCLOUDS-1348:
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Labels: cloudstack (was: )
> CloudStack - template(image) IDs not unique
> -------------------------------------------
>
> Key: JCLOUDS-1348
> URL: https://issues.apache.org/jira/browse/JCLOUDS-1348
> Project: jclouds
> Issue Type: Bug
> Components: jclouds-compute
> Affects Versions: 2.0.0
> Reporter: Richard Downer
> Priority: Major
> Labels: cloudstack
>
> I've been investigating a problem that a client reported - they were trying
> to use jclouds with their client's CloudStack instance but were hitting
> problems caused by the result of the CloudStack `listTemplates` options
> returning members with duplicated ID fields.
> On inspection of the wire logs, it seemed that some templates were duplicated
> multiple times but in different zones. All of the fields were the same,
> except for the zone ID and name.
> These were not "cross zone" templates, which is an option where CloudStack
> automatically copies a template to every zone. jclouds detects and handles
> those, by collapsing all templates with the same ID and the `crossZones`
> paramter set to true, down to a single global-scoped image.
> Instead, it would appear that CloudStack has an option to copy a template to
> another zone. It's not a global template, it only goes to selective zones.
> But it does preserve the template ID - so you can end up with multiple
> region-scoped images that have the same ID.
> My discussion on the Apache CloudStack mailing list is at:
> https://lists.apache.org/thread.html/f93385bbb0e04d7af9b80e7f8f90f957cb8633144dd2b282cde7d3fc@%3Cusers.cloudstack.apache.org%3E
> Of particular note is this message:
> https://lists.apache.org/thread.html/8d99f7462618438a6a3bcbb3fe7e736c5632db7d07de449f610b68c2@%3Cusers.cloudstack.apache.org%3E
> "As long as template is copied from zone to zone it will present with
> duplicate ID. This is by design. crossZone parameter is to indicate to auto
> replicate template across all available zone on template creation. To put it
> differently only combination of template ID and zone ID is a primary key for
> template querying."
> (From: Sergey Levitskiy <[email protected]>)
> This implies that jclouds must change its behaviour to always assume that
> image IDs are not globally unique, perhaps by - as Sergey suggests -
> incorporating the zone ID into jclouds' image ID.
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