Hi Cedric,
On Tue, Jul 19, 2016 at 10:28 AM, Cedric Bosdonnat <cbosdonnat@xxxxxxxx> wrote:
> Hi Ruben,
>
> On Mon, 2016-07-18 at 19:48 +0200, Ruben Kerkhof wrote:
> [...]
>
>> I am a bit stuck though. I've created the vm with a tap device:
>>
>> <interface type='ethernet'>
>> <mac address='00:1a:4a:1b:d9:cc'/>
>> <model type='virtio'/>
>> <rom bar="off"/>
>> <source>
>> <ip address='192.168.42.41' family='ipv4'
>> peer='192.168.42.42' prefix='32'/>
>> <route family='ipv4' address='192.168.100.0'
>> prefix='24' gateway='192.168.42.42'/>
>> </source>
>> </interface>
>>
>> After starting, the link stays down and no ips or routes are being created:
>
> No surprise to me: this feature has been implemented for the lxc driver and
> the qemu driver doesn't care about these config bits.
These are host side ips. Unless I'm misinterpreting this,
this should be supported since:
commit fe8567f6ad0055f38141f473071b30f3fe8df728
Author: Laine Stump <laine@xxxxxxxxx>
Date: Tue Jun 21 18:00:45 2016
qemu: support setting host-side IP addresses/routes
For type='ethernet' interfaces only.
>
>> root@test1: ~# ip link show dev vnet0
>> 15: vnet0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode
>> DEFAULT qlen 1000
>> link/ether fe:1a:4a:1b:d9:cc brd ff:ff:ff:ff:ff:ff
>> root@test1: ~# ip route show
>> default via 10.10.5.1 dev br1010
>> 10.10.5.0/24 dev br1010 proto kernel scope link src 10.10.5.2
>> > I feel like I'm missing a step. Who is responsible for setting the
>> link up, it this libvirtd, qemu, or do I need to write a qemu-ifup
>> script?
>
> Qemu has the possibility to set up the ip address directly only with -net nic.
> For a tap device, this has to be handled by qemu-ifup / qemu-ifdown.
>
> --
> Cedric
Is there any reason why libvirt couldn't set the link up?
That would be one less shell-script people have to write.
Kind regards,
Ruben
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