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From Marc-Aurèle Brothier <ma...@exoscale.ch>
Subject Re: Experimental - Direct download for templates
Date Thu, 08 Feb 2018 07:13:24 GMT
That's a great feature I think, thanks Nicolas for pushing it!

Marc-Aurèle

On Wed, Feb 7, 2018 at 3:19 PM, Nicolas Vazquez <
Nicolas.Vazquez@shapeblue.com> wrote:

> Hi all,
>
>
> A feature has been introduced on 4.11.0 allowing to register templates
> bypassing secondary storage using a new option 'Direct Download'. It allows
> templates to be directly downloaded into primary storage at VM deployment
> time. It is an experimental feature and it is currently supported on KVM
> hypervisor only. PR: https://github.com/apache/cloudstack/pull/2379
>
>
> A brief description on the current implementation:
>
> - CloudStack allows registering Direct Download/Bypass Secondary Storage
> templates for KVM hypervisor by setting the direct_download flag to true on
> registerTemplate.
>
> - Templates are not downloaded to secondary storage after they are
> registered on CloudStack, are marked as Bypass Secondary Storage and as
> Ready for deployment.
>
> - When Bypassed templates are selected for VM deployment, download is
> delegated to the agents, which would store the templates on primary storage
> instead of copying them from secondary storage
>
> - Metalinks are supported, but aria2 dependency has to be manually
> installed on the agents.
>
>
> There are currently some PRs in progress for 4.11.1 with some improvements
> for this functionality.
>
>
> Any comments/ideas?
>
>
> Thanks,
>
> Nicolas
>
> Nicolas.Vazquez@shapeblue.com
> www.shapeblue.com
> ,
> @shapeblue
>
>
>
>

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