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Hi Ravi,

We did this as part of PoC few months back.

Daniel can give us more comments on this as he is the lead for Libvirt support in Nova.

Regards,
Balaji.P



From: Ravi Chunduru [mailto:ravivsn at gmail.com]
Sent: Thursday, September 26, 2013 12:35 AM
To: OpenStack Development Mailing List
Subject: Re: [openstack-dev] [Nova] [Libvirt] Virtio-Serial support for Nova libvirt driver

I got this working after I made guest to behave as serial device and host side program as unix socket based client.
Now all set to collaborate the BP  with the use case.

Thanks,
-Ravi.

On Wed, Sep 25, 2013 at 8:09 AM, Ravi Chunduru <ravivsn at gmail.com<mailto:ravivsn at gmail.com>> wrote:
I am working on this generic virtio-serial interface for appliances. To start with I experimented on existing Wangpan's added feature on hw_qemu_guest agent. I am preparing to propose a blueprint to modify it for generic use and open to collaborate.

I could bring up VM with generic source path(say /tmp/appliance_port) and target name(appliance_port). But I see qemu listening on the unix socket in host as soon as I start the VM. If we want to have our server program on host listening, that should not happen. How do I overcome that?

Thanks,
-Ravi.


On Wed, Sep 25, 2013 at 3:01 AM, P Balaji-B37839 <B37839 at freescale.com<mailto:B37839 at freescale.com>> wrote:
Hi Wangpan,
Thanks for Information and suggestions.
We want to have generic virtio-serial interface for Libvirt  and applications can use this irrespective of Qemu Guest Agent in VM.
As suggested, Daniel can throw some light on this and help us.
Regards,
Balaji.P



From: Wangpan [mailto:hzwangpan at corp.netease.com<mailto:hzwangpan at corp.netease.com>]
Sent: Wednesday, September 25, 2013 3:24 PM
To: OpenStack Development Mailing List
Subject: Re: [openstack-dev] [Nova] [Libvirt] Virtio-Serial support for Nova libvirt driver

Hi all,

I'm the owner of this bp https://blueprints.launchpad.net/nova/+spec/qemu-guest-agent-support
and Daniel Berrange gave me lots of help about implementing this bp, and the original idea of mine is the same as yours.
So I think the opinion of Daniel will be very useful.

2013-09-25
________________________________
Wangpan
________________________________
发件人：balaji patnala <patnala003 at gmail.com<mailto:patnala003 at gmail.com>>
发送时间：2013-09-25 22<tel:2013-09-25%C2%A022>:36
主题：Re: [openstack-dev] [Nova] [Libvirt] Virtio-Serial support for Nova libvirt driver
收件人："OpenStack Development Mailing List"<openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>>
抄送：

Hi Haomai,

Thanks for your interest on this.

The code check-ins done against the below bp are more specific to Qemu Guest Agent.

 https://blueprints.launchpad.net/nova/+spec/qemu-guest-agent-support


Our requirement is to enable Virtio-Serial Interface to the applications running in VM.

Do you have the same requirement?

We will share the draft BP on this.


Any comments on this approach will be helpful.

Regards,
Balaji.P

On Tue, Sep 24, 2013 at 8:10 PM, Haomai Wang <haomai at unitedstack.com<mailto:haomai at unitedstack.com>> wrote:

On Sep 24, 2013, at 6:40 PM, P Balaji-B37839 <B37839 at freescale.com<mailto:B37839 at freescale.com>> wrote:

> Hi,
>
> Virtio-Serial interface support for Nova - Libvirt is not available now. Some VMs who wants to access the Host may need like running qemu-guest-agent or any proprietary software want to use this mode of communication with Host.
>
> Qemu-GA uses virtio-serial communication.
>
> We want to propose a blue-print on this for IceHouse Release.
>
> Anybody interested on this.
Great! We have common interest and I hope we can promote it for IceHouse.

BTW, do you have a initial plan or description about it.

And I think this bp may invoke. https://blueprints.launchpad.net/nova/+spec/qemu-guest-agent-support

>
> Regards,
> Balaji.P
>
>
> _______________________________________________
> OpenStack-dev mailing list
> OpenStack-dev at lists.openstack.org<mailto:OpenStack-dev at lists.openstack.org>
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
Best regards,
Haomai Wang, UnitedStack Inc.


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--
Ravi



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Ravi
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