[pve-devel] [PATCH qemu-server 0/4] qemu_fw_cfg support for vm init

Wolfgang Bumiller w.bumiller at proxmox.com
Wed Oct 11 09:52:39 CEST 2017


On Wed, Oct 11, 2017 at 08:08:01AM +0200, Alexandre DERUMIER wrote:
> Any comment ?

I've been meaning to look into qemu_fw_cfg more closely. I like the
idea, but am wondering if it makes sense to do it this way. It
definitely combines well with the cloudinit patch set, but I wonder if
it might be useful to be able to pass along other data - either
additionally or instead of the config.
Mainly I'd like the option to be able to see the vmid, eg. I like
deriving ip addresses from the vmid, so if the guest could see that, I
could clone and start a template without having to configure anything
at all ;-)
It could be encoded in the name though... or perhaps an option to pass
along a file by path? But that would have to be limited to root... I
think we already talked about this a little bit in the early cloudinit
patche series...

> ----- Mail original -----
> De: "aderumier" <aderumier at odiso.com>
> À: "pve-devel" <pve-devel at pve.proxmox.com>
> Cc: "aderumier" <aderumier at odiso.com>
> Envoyé: Vendredi 6 Octobre 2017 16:49:10
> Objet: [PATCH qemu-server 0/4] qemu_fw_cfg support for vm init 
> 
> This patch series add support for qemu_fw_cfg, 
> which allow to send through a firmware the content the vmid.conf. 
> 
> It's add ipconfig,searchdomain,nameserver && sshkey like lxc. 
> 
> The main usage is to bootstrap a new vm, setup network configuration or other init configs. 
> 
> 
> 
> 
> Alexandre Derumier (4): 
> add qemu firmware cfg 
> add ipconfigX to vm config 
> add searchdomain, nameserver && sshkey option 
> add firstboot debian sample 
> 
> PVE/API2/Qemu.pm | 2 +- 
> PVE/QemuServer.pm | 124 ++++++++++++++++++++++++++++++++++++++++++++++++++++-- 
> firstboot.debian | 119 +++++++++++++++++++++++++++++++++++++++++++++++++++ 
> 3 files changed, 241 insertions(+), 4 deletions(-) 
> create mode 100755 firstboot.debian 



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