9:24 p.m.
To Whom It May Concern:
I use libvirt over one month, I need a function to set the ip address of the
guest machine. One can change the guest ip address will be a great
appreciation. However, I did not find such a feature in the process of
learning libvirt. The purpose of this mail is to ask the experts whether
libvirt provide such a feature. If there is no, how can I implement such
functionality.
Additionally, I already know NAT based network and Routed network can use
DHCP, but I want to use an existing host bridge.
Best Wishes
Harold
10:26 a.m.
On 18.03.2012 03:24, Harold Fei wrote:
To Whom It May Concern:
I use libvirt over one month, I
need a function to set the ip address of the guest machine. One can
change the guest ip address will be a great appreciation. However, I did
not find such a feature in the process of learning libvirt. The purpose
of this mail is to ask the experts whether libvirt provide such a
feature. If there is no, how can I implement such functionality.
You can create static leases based on interfaces MACs:
http://www.redhat.com/archives/libvir-list/2009-February/msg00373.html
However, libvirt lacks API for changing guest's interface IP on the fly
since qemu-ga lacks such feature too. Therefore when implementing this
functionality - qemu-ga part needs to be done firstly so you can build
on stable interface. This may be your inspiration:
http://lists.gnu.org/archive/html/qemu-devel/2012-02/msg04173.html
Additionally, I already know NAT based network and Routed network can
use DHCP, but I want to use an existing host bridge.
I think this is what you are looking for:
http://libvirt.org/formatnetwork.html#examplesBridge
Michal
10:30 a.m.
On Mon, Mar 19, 2012 at 04:26:07PM +0100, Michal Privoznik wrote:
On 18.03.2012 03:24, Harold Fei wrote:
> To Whom It May Concern:
>
> I use libvirt over one month, I
> need a function to set the ip address of the guest machine. One can
> change the guest ip address will be a great appreciation. However, I did
> not find such a feature in the process of learning libvirt. The purpose
> of this mail is to ask the experts whether libvirt provide such a
> feature. If there is no, how can I implement such functionality.
You can create static leases based on interfaces MACs:
http://www.redhat.com/archives/libvir-list/2009-February/msg00373.html
However, libvirt lacks API for changing guest's interface IP on the fly
since qemu-ga lacks such feature too. Therefore when implementing this
functionality - qemu-ga part needs to be done firstly so you can build
on stable interface. This may be your inspiration:
http://lists.gnu.org/archive/html/qemu-devel/2012-02/msg04173.html
I'm not entirely convinced this is in scope for libvirt. Once you start
talking about configuring guest networking, IMHO, this has become a
general "OS management" problem, for which there must be countless
existing solutiuons. Just deployment some existing agent to handle
this kind of thing.
Regards,
Daniel
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2 comments
3 participants
participants (3)
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Daniel P. Berrange -
Harold Fei -
Michal Privoznik