[pve-devel] [PATCH qemu-server v3] api: record VM ID as used after a virtual machine is destroyed

[Aaron Lauterer]

beside one small nit that could be cleaned up in a follow-up,

consider this:

Tested-By: Aaron Lauterer <a.lauterer at proxmox.com>
Reviewed-By: Aaron Lauterer <a.lauterer at proxmox.com>

On  2024-11-05  03:00, Severen Redwood wrote:
> After a virtual machine is destroyed, record that its ID has been used
> via the `PVE::UsedVmidList` module so that the `/cluster/nextids`
> endpoint can later optionally avoid suggesting previously used IDs.
> 
> Co-authored-by: Daniel Krambrock <krambrock at hrz.uni-marburg.de>
> Signed-off-by: Severen Redwood <severen.redwood at sitehost.co.nz>
> ---
> Changed since v2 is the addition of the use statement for `PVE::UsedVmidList`.
> 
>   PVE/API2/Qemu.pm | 5 ++++-
>   1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
> index 848001b6..8759c1e6 100644
> --- a/PVE/API2/Qemu.pm
> +++ b/PVE/API2/Qemu.pm
> @@ -52,6 +52,7 @@ use PVE::Replication;
>   use PVE::ReplicationState;
>   use PVE::StorageTunnel;
>   use PVE::RESTEnvironment qw(log_warn);
> +use PVE::UsedVmidList qw(add_vmid);

same here as in the container, we could probably do without the qw(add_vmid)
>   
>   BEGIN {
>       if (!$ENV{PVE_GENERATING_DOCS}) {
> @@ -2335,7 +2336,9 @@ __PACKAGE__->register_method({
>   		    }
>   		}
>   
> -		# only now remove the zombie config, else we can have reuse race
> +		# only now mark the VM ID as previously used and remove the
> +		# zombie config, else we can have reuse race
> +		PVE::UsedVmidList::add_vmid($vmid);
>   		PVE::QemuConfig->destroy_config($vmid);
>   	    });
>   	};