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Re: [Libvir] Proposal: More script hooks for <interface type='ethernet'>

On Sat, Feb 23, 2008 at 09:38:02PM -0600, Charles Duffy wrote:
> I have a few issues with <interface type='ethernet'>:
>  - The requirement that either
>    (1) the tap device already exists and has a constant name, or
>    (2) the tap device can be created by the current user without
>        privilege escalation
>    doesn't work for places where the user wants to
>     - dynamically generate tap devices
>     - ...but is running kvm without privileges to do so.
>       (this is particularly likely now that write privileges to
>       /dev/net/tap are not enough, and the user needs CAP_NET_ADMIN to
>       create a tap device).


> So -- does the proposed syntax extension look reasonable?

Being able to specify an qemu-ifdown script is reasonable, since we already
support an qemu-ifup script, but I don't want to just add that without 
a clearer understanding of exactly what type of network config you are
trying to achieve. So rather than describing a desired implementation can
you describe the deployment scenario / level of network connectivity you're
trying to provide.

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