Re: [ovirt-users] Hosted-engine without mac-spoofing

[Matteo Capuano]

On Mon, Jan 22, 2018 at 10:31 AM, Dan Kenigsberg  wrote:

> On Mon, Jan 22, 2018 at 12:01 AM, Matteo Capuano 
> wrote:
> > Hi folks,
> >
> > i'm trying to install oVirt hyperconverged on Google Cloud Engine (GCE)
> to
> > create a lab environment.
> > Nested virtualization on GCE is in public beta, it seems to work fine but
> > there's a catch: i cannot enable mac-spoofing on the GCE instances' nics.
> > So here's my question: is there a way to install hosted-engine on a
> network
> > there you can't enabling mac-spoofing?
>
> I don't quite understand. Can you start multiple nested VM in a single
> GCE node, each communicating with its own mac? I believe that you'd
> need mac-spoofing for that simple task, too.
>

I can start three nested VMs in a single GCE instance and have them
communicating with each others but this is going to add another
virtualization level on my lab.

What I'm trying to do is to launch three different GCE instances with
Centos 7.4 and install on each of them the hyperconverged nodes. GCE
doesn't allow to enable mac-spoofing on instance's nics so I'm unable to
communicate with the engine from outside the host where it's installed.
To make a nested VMs to be accessible from outside the host, GCE suggest to
use a bridge network with iptables forwarding rules (
https://cloud.google.com/compute/docs/instances/enable-nested-virtualization-vm-instances#configuring_a_nested_vm_to_be_accessible_from_outside_the_host_vm
) but this is not going to work with high-availability.



>
> Self-hosted engine has to be highly-available. It has to run equally
> well on all hosted-engine hosts, thus I believe it needs all hosts to
> allow mac-spoofing.
>

So I'm trying to do something impossible.



@Sandro : this is a test environment. I'm learning to use oVirt in my
off-work time so I'm trying to see if I can move my learning platform from
a dedicated server to a cloud service.



Thank you both

Matteo
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Re: [ovirt-users] Hosted-engine without mac-spoofing

[Sandro Bonazzola]

2018-01-21 23:01 GMT+01:00 Matteo Capuano :

> Hi folks,
>
> i'm trying to install oVirt hyperconverged on Google Cloud Engine (GCE) to
> create a lab environment.
>

Is this a test environment or is it meant to be a production environment?
I'm curious about the use case, this is the first time I see GCE mentioned
in an oVirt deployment.




> Nested virtualization on GCE is in public beta, it seems to work fine but
> there's a catch: i cannot enable mac-spoofing on the GCE instances' nics.
> So here's my question: is there a way to install hosted-engine on a
> network there you can't enabling mac-spoofing?
>
> Thank you
>
> Cheers
>
> Matteo
>
>
>
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>
>


-- 

SANDRO BONAZZOLA

ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R

Red Hat EMEA 

TRIED. TESTED. TRUSTED. 
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Re: [ovirt-users] Hosted-engine without mac-spoofing

[Dan Kenigsberg]

On Mon, Jan 22, 2018 at 12:01 AM, Matteo Capuano  wrote:
> Hi folks,
>
> i'm trying to install oVirt hyperconverged on Google Cloud Engine (GCE) to
> create a lab environment.
> Nested virtualization on GCE is in public beta, it seems to work fine but
> there's a catch: i cannot enable mac-spoofing on the GCE instances' nics.
> So here's my question: is there a way to install hosted-engine on a network
> there you can't enabling mac-spoofing?

I don't quite understand. Can you start multiple nested VM in a single
GCE node, each communicating with its own mac? I believe that you'd
need mac-spoofing for that simple task, too.

Self-hosted engine has to be highly-available. It has to run equally
well on all hosted-engine hosts, thus I believe it needs all hosts to
allow mac-spoofing.
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[ovirt-users] Hosted-engine without mac-spoofing

[Matteo Capuano]

Hi folks,

i'm trying to install oVirt hyperconverged on Google Cloud Engine (GCE) to
create a lab environment.
Nested virtualization on GCE is in public beta, it seems to work fine but
there's a catch: i cannot enable mac-spoofing on the GCE instances' nics.
So here's my question: is there a way to install hosted-engine on a network
there you can't enabling mac-spoofing?

Thank you

Cheers

Matteo
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