Am 09.06.21 um 13:54 schrieb Alexandre Derumier:
> This allow to regenerate the config drive with 1 api call.
> 
> This also avoid to delete drive volume first, and recreate it again.
> 
> we can simply:
> - eject
> - regenerated the volume
> - replace it with qemu monitor
> 
> Signed-off-by: Alexandre Derumier <aderum...@odiso.com>
> ---
>  PVE/API2/Qemu.pm  | 44 ++++++++++++++++++++++++++++++++++++++++++++
>  PVE/CLI/qm.pm     |  3 ++-
>  PVE/QemuServer.pm | 26 ++++++++++++++++++++++++++
>  3 files changed, 72 insertions(+), 1 deletion(-)
> 
> diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
> index 8ac3ae3..7843dcb 100644
> --- a/PVE/API2/Qemu.pm
> +++ b/PVE/API2/Qemu.pm
> @@ -1131,6 +1131,50 @@ __PACKAGE__->register_method({
>       return $res;
>     }});
>  
> +__PACKAGE__->register_method({
> +    name => 'cloudinit_update',
> +    path => '{vmid}/cloudinit',
> +    method => 'PUT',
> +    protected => 1,
> +    proxyto => 'node',
> +    description => "Regenerate and change cloudinit config drive.",
> +    permissions => {
> +     check => ['perm', '/vms/{vmid}', 'VM.Config.Cloudinit', any => 1],

Nit: no need for "any => 1"

> +    },
> +    parameters => {
> +     additionalProperties => 0,
> +     properties => {
> +         node => get_standard_option('pve-node'),
> +         vmid => get_standard_option('pve-vmid'),
> +     },
> +    },
> +    returns => { type => 'null' },
> +    code => sub {
> +     my ($param) = @_;
> +
> +     my $rpcenv = PVE::RPCEnvironment::get();
> +
> +     my $authuser = $rpcenv->get_user();
> +
> +     my $vmid = extract_param($param, 'vmid');
> +
> +     my $updatefn =  sub {
> +
> +         my $conf = PVE::QemuConfig->load_config($vmid);
> +
> +         PVE::QemuConfig->check_lock($conf);
> +
> +         my $storecfg = PVE::Storage::config();
> +
> +         PVE::QemuServer::vmconfig_update_cloudinit_drive($storecfg, $conf, 
> $vmid);

Should be renamed if we go for the "config inside ISO"-approach, because
it doesn't change the config itself now.

> +

Style nit: too many blanks

> +     };
> +
> +     PVE::QemuConfig->lock_config($vmid, $updatefn);
> +
> +     return;
> +    }});
> +
>  # POST/PUT {vmid}/config implementation
>  #
>  # The original API used PUT (idempotent) an we assumed that all operations


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