[one-users] How to configure virtual networks in OpenNebula 4.0

[Javier Fontan]

The contextualization cdrom is created on VM deployment so I fear you
will have to configure the network interface manually.

On Mon, Apr 22, 2013 at 4:00 PM, Jon <three18ti at gmail.com> wrote:
> Hello Javier,
>
> I see, so the network configuration is handled by VM contextualization not
> the virtual network config. Got it.  Thanks for the links to the docs.
>
> How does that affect hot plug networking? E.g. is the new nic manually
> configured by the VM user, or can a running VM be contextualized?
>
> Thanks Again, everyone has been so helpful. I really appreciate it.
> Jon A
>
> On Apr 22, 2013 5:21 AM, "Javier Fontan" <jfontan at opennebula.org> wrote:
>>
>> I forgot to mention that you can also use the CLI to add the network
>> contextualization. When creating the template using parameters add
>> "--net_context", for example:
>>
>> $ onetemplate create --name "some name" --cpu 1 --memory 512 --disk
>> centos --nic public --net_context --ssh ssh_keys/test.pub
>>
>> http://opennebula.org/doc/4.0/cli/onetemplate.1.html
>>
>> On Mon, Apr 22, 2013 at 1:14 PM, Javier Fontan <jfontan at opennebula.org>
>> wrote:
>> > It seems that you have the context packages installed in the VM but
>> > you are not adding contextualization variables to the VM. When there
>> > are no contextualization parameters the context packages will fallback
>> > to default values. For example, the netmask will be /24.
>> >
>> > You can get more information on how to do that manually in the context
>> > doc [1]. From Sunstone you can also check the network
>> > contextualization checkbox when creating the template, that option
>> > will add the variables needed to the template.
>> >
>> > [1] http://opennebula.org/documentation:rel4.0:context_overview
>> >
>> > On Sun, Apr 21, 2013 at 8:41 PM, Jon <three18ti at gmail.com> wrote:
>> >> Hello All,
>> >>
>> >> First the great news, it seems that the OpenVSwitch bug has been
>> >> resolved:
>> >>
>> >>>> Sun Apr 21 11:49:37 2013 [VMM][I]: post: Executed "sudo
>> >>>> /usr/bin/ovs-ofctl add-flow ovsbr0
>> >>>> in_port=24,dl_src=02:00:44:47:83:46,priority=40000,actions=normal".
>> >>>> Sun Apr 21 11:49:37 2013 [VMM][I]: post: Executed "sudo
>> >>>> /usr/bin/ovs-ofctl add-flow ovsbr0
>> >>>> in_port=24,priority=39000,actions=drop".
>> >>
>> >> This is awesome, as virtual machines deploy correctly now; I'm one step
>> >> closer to getting a running OpenNebula deployment.
>> >>
>> >> However, it seems that OpenNebula is not configuring the network quite
>> >> right, I've assigned a /28 to my OpenNebula server, 8.8.8.65/28, and
>> >> when I
>> >> assign an IP to a VM, the VM configures the network as a /24
>> >>
>> >> eth0      Link encap:Ethernet  HWaddr 02:00:44:47:83:46
>> >>           inet addr:8.8.8.8.70  Bcast:8.8.8.8.255  Mask:255.255.255.0
>> >>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>> >>           RX packets:6358 errors:0 dropped:0 overruns:0 frame:0
>> >>           TX packets:72 errors:0 dropped:0 overruns:0 carrier:0
>> >>           collisions:0 txqueuelen:1000
>> >>           RX bytes:385057 (376.0 KiB)  TX bytes:6403 (6.2 KiB)
>> >>           Interrupt:11 Base address:0xc000
>> >>
>> >> So my question is, how do I configure the network so it uses the
>> >> correct
>> >> subnet?
>> >>
>> >> I've configured everything so far directly via SunStone.
>> >>
>> >> Here's my VM template:
>> >>
>> >>>> oneadmin at loki:~$ onetemplate show template-4
>> >>>> TEMPLATE 4 INFORMATION
>> >>>> ID             : 4
>> >>>> NAME           : template-4
>> >>>> USER           : oneadmin
>> >>>> GROUP          : oneadmin
>> >>>> REGISTER TIME  : 03/28 02:04:14
>> >>>>
>> >>>> PERMISSIONS
>> >>>> OWNER          : um-
>> >>>> GROUP          : ---
>> >>>> OTHER          : ---
>> >>>>
>> >>>> TEMPLATE CONTENTS
>> >>>> CPU="0.5"
>> >>>> DISK=[
>> >>>>   IMAGE_ID="4" ]
>> >>>> GRAPHICS=[
>> >>>>   LISTEN="0.0.0.0",
>> >>>>   TYPE="VNC" ]
>> >>>> MEMORY="1024"
>> >>>> NIC=[
>> >>>>   NETWORK_ID="0" ]
>> >>>> REQUIREMENTS="ID=\"0\""
>> >>>> UNDEFINED="2.00"
>> >>>> VCPU="2"
>> >>
>> >> _______________________________________________
>> >> Users mailing list
>> >> Users at lists.opennebula.org
>> >> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>> >>
>> >
>> >
>> >
>> > --
>> > Javier Fontán Muiños
>> > Project Engineer
>> > OpenNebula - The Open Source Toolkit for Data Center Virtualization
>> > www.OpenNebula.org | jfontan at opennebula.org | @OpenNebula
>>
>>
>>
>> --
>> Javier Fontán Muiños
>> Project Engineer
>> OpenNebula - The Open Source Toolkit for Data Center Virtualization
>> www.OpenNebula.org | jfontan at opennebula.org | @OpenNebula



-- 
Javier Fontán Muiños
Project Engineer
OpenNebula - The Open Source Toolkit for Data Center Virtualization
www.OpenNebula.org | jfontan at opennebula.org | @OpenNebula