Open Stack

On Thu, 29 Oct 2020 at 16:20, Radosław Piliszek <radoslaw.piliszek at gmail.com>
wrote:

> Hi Albert!
>
> Sorry for top posting but I don't really see which part to quote would
> be best so they all lose. :D
>
> Indeed, it's tricky to handle this if you are not a fan of linux
> networking.
> I guess we should document an example way....
>
> Anyhow, the way e.g. Kayobe handles it for users (as it deals with
> baremetal details) is to use bridges and veths.
> Basically, you create a bridge, attach it to the expected interface,
> set any networking you still want on that network for this host on
> this bridge.
> Then, you create a veth pair and connect one end to it and the second
> one is given to neutron.
>
> Alternatively, if this is just for development, you can use a dummy
interface.

ip link add link eth1 type dummy

It's not persistent, but good enough for testing. If you need external
network access from it you could add a MASQUERADE iptables rule and enable
the IP forwarding sysctl.

-yoctozepto
>
> On Thu, Oct 29, 2020 at 12:49 PM Braden, Albert
> <C-Albert.Braden at charter.com> wrote:
> >
> > I’m trying to setup an allinone kolla-ansible Train POC on a VM, and I’m
> following the instructions here:
> >
> >
> >
> > https://docs.openstack.org/kolla-ansible/train/user/quickstart.html
> >
> >
> >
> > Under “Prepare initial configuration” where it talks about globals.yml,
> it says I need 2 network interfaces:
> >
> >
> >
> > network_interface: "eth0"
> >
> > neutron_external_interface: "eth1"
> >
> >
> >
> > My VM has a private IP and a floating IP that I use to ssh to it:
> >
> >
> >
> > | ID                                   | Name              | Status  |
> Networks                              | Image           | Flavor         |
> >
> > | 41f6782a-8ca8-4ab4-8fdc-776584139ba0 | adjutant-poc      | ACTIVE  |
> private=<primary IP>, <floating IP>  |                 | s1-standard-08 |
> >
> >
> >
> > I tried various options for eth1 but I can’t seem to get it to work:
> >
> >
> >
> > [root at adjutant-poc network-scripts]# cat
> /etc/sysconfig/network-scripts/ifcfg-eth1
> >
> > BOOTPROTO=dhcp
> >
> > DEVICE=eth1
> >
> > ONBOOT=yes
> >
> > TYPE=Ethernet
> >
> > NM_CONTROLLED=no
> >
> >
> >
> > I tried creating another port and adding it but that didn’t seem to make
> a difference. What am I doing wrong? Do I really need 2 network interfaces
> on the VM? If so, what’s the correct way to add one?
> >
> >
> >
> > [root at adjutant-poc network-scripts]# service network restart
> >
> > Restarting network (via systemctl):  Job for network.service failed
> because the control process exited with error code. See "systemctl status
> network.service" and "journalctl -xe" for details.
> >
> >                                                           [FAILED]
> >
> >
> >
> > Log:
> >
> >
> >
> > http://paste.debian.net/1168982/
> >
> >
> >
> > I apologize for the nonsense below. So far I have not been able to stop
> it from being attached to my external emails. I'm working on it.
> >
> >
> >
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>
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