[pve-devel] [PATCH v6 qemu-server 0/9] cloudinit pending behaviour change

Fabian Ebner f.ebner at proxmox.com
Tue Jun 21 13:44:58 CEST 2022


Am 20.06.22 um 12:44 schrieb Alexandre Derumier:
> Hi,
> 
> This is an attempt to cleanup current behaviour of cloudinit online changes.
> 
> Currently, we setup cloudinit options as pending, until we generate the config drive.
> 
> This is not 100% true, because some option like vm name, nic mac address can be changed,
> without going to pending, so user can't known if it need to regenerated it.
> 
> Also, some can are very difficult to handle, if you hotplug a nic but it's failing,so pending,
> then you defined an ipconfig, and then you revert hotplug.
> or if you delete a nic, the ipconfig is no more displayed in the gui.
> 
> 
> So, instead of setting cloudinit values in pending,
> this patch serie copy the current cloudinit config in a new section [special:cloudinit],
> when the config drive is generated.
> This is only an hint, to allow to display diff between the generated cloudinit
> drive, and the current vm config.
> 
> A new specific cloudinit config api is added too displaying the diff between current and generated config.
> 

Still found a few minor nits, but overall, it looks good to me. Feel
free to add
Reviewed-by: Fabian Ebner <f.ebner at proxmox.com>
after addressing them.

> Reminder: This need pve-manager depency bump first to check the version for live migration.
> pve-manager patches series is available here : https://lists.proxmox.com/pipermail/pve-devel/2021-June/048542.html

Haven't looked at it yet, but I noticed that when a mac address change
is pending, it doesn't show up in the UI. It does show with
 qm cloudinit pending <ID>




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