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[MirageOS-devel] /etc/network/interfaces [was Re: ipv4 configuration overhauls & dhcp client adjustments]

(Subject edited)

On 2 November 2016 at 18:42, Andrew Stuart
<andrew.stuart@xxxxxxxxxxxxxxxxxx> wrote:
> I’m aware this may be a challenge or impossible but one suggestion - it would 
> be useful if somehow an /etc/metwork/interfaces file could be passed in to a 
> unikernel, with the networking being configured as defined in the interfaces 
> file.
> The reason I ask this is that some of the clouds (Rackspace, Digital Ocean, 
> Softlayer) provide no DHCP mechanism and the network configuration is 
> injected into the machine at runtime.
> If it were possible to pass /etc/network/interfaces in - (perhaps via 
> initramfs - is this supported in Mirage kernel boot?) then it might become 
> easier/possible to run on the clouds mentioned above.

Sorry, dumb questions:

Do you mean that the running unikernel would need to receive an
/etc/network/interfaces file? In which case, what's the mechanism
(API?) that's actually used to pass that in?

Or is it something that the deployment toolchain needs to handle, in
which case I guess it could parse the interfaces file and convert it
to bootargs for when the unikernel starts perhaps?

Richard Mortier

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