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From Chris Lalancette <>
Subject Re: Dynamic selection of driver
Date Fri, 12 Nov 2010 13:54:23 GMT
On 11/12/10 - 01:21:24AM, David Lutterkort wrote:
> Hi,
> Toby Crawley is really the one who brought this up - here's a summary of
> a discussion we had a couple days ago.
> Right now, the deltacloud server only ever uses one driver; that means
> that if you want to talk to multiple clouds, you need to have one
> deltacloud server running for each of them. Clearly, not very admin
> friendly.
> Toby actually experimented with this (wanna share your patch, Toby ?).
> To me, the cleanest way to enable dynamic selection of the driver is to
> select the driver through add'l HTTP headers. For example, by sending
>         X-Deltacloud-Driver: ec2
>         X-Deltacloud-Endpoint:
> you'd be using the eu-west region of EC2.
> We would maintain the current behavior of the driver as the default when
> these headers are absent; so if you start 'deltacloudd -i mock', clients
> that don't set the Deltacloud headers will talk to the mock driver.

Yes, excellent idea.

Chris Lalancette

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