[pve-devel] [PATCH 1/8 container] cloudinit: introduce config parameters

[Fiona Ebner]

Am 10.02.25 um 13:07 schrieb Daniel Herzig:
> From: Leo Nunner <l.nunner at proxmox.com>
> 
> Introduce configuration parameters for cloud-init. Like with VMs, it's
> possible to specify:
>     - user
>     - password
>     - ssh keys
>     - enable/disable updates on first boot
> 
> It's also possible to pass through custom config files for the user and
> vendor settings. We don't allow configuring the network through
> cloud-init, since it will clash with whatever configuration we already
> did for the container.

Unfortunately, Leo didn't write why configuring 'meta' for cicustom is
not allowed...

> diff --git a/src/PVE/LXC/Config.pm b/src/PVE/LXC/Config.pm
> index 5cc37f7..e3ed93b 100644
> --- a/src/PVE/LXC/Config.pm
> +++ b/src/PVE/LXC/Config.pm
> @@ -450,6 +450,63 @@ my $features_desc = {
>      },
>  };
>  
> +my $cicustom_fmt = {
> +    user => {
> +	type => 'string',
> +	optional => 1,
> +	description => 'To pass a custom file containing all user data to the container via cloud-init.',
> +	format => 'pve-volume-id',
> +	format_description => 'volume',
> +    },
> +    vendor => {
> +	type => 'string',
> +	optional => 1,
> +	description => 'To pass a custom file containing all vendor data to the container via cloud-init.',
> +	format => 'pve-volume-id',
> +	format_description => 'volume',
> +    },

...i.e. it's missing here. This might be an oversight, because the doc
patch mentions it in an example command: 'pct set 9000 --cicustom
"user=<volume>,meta=<volume>"'

> +};
> +PVE::JSONSchema::register_format('pve-pct-cicustom', $cicustom_fmt);
> +
> +my $confdesc_cloudinit = {
> +    cienable => {
> +	optional => 1,
> +	type => 'boolean',
> +	description => "cloud-init: provide cloud-init configuration to container.",

Missing the default.

> +    },
> +    ciuser => {
> +	optional => 1,
> +	type => 'string',
> +	description => "cloud-init: User name to change ssh keys and password for instead of the"
> +	    ." image's configured default user.",
> +    },
> +    cipassword => {
> +	optional => 1,
> +	type => 'string',
> +	description => 'cloud-init: Password to assign the user. Using this is generally not'
> +	    .' recommended. Use ssh keys instead. Also note that older cloud-init versions do not'
> +	    .' support hashed passwords.',
> +    },
> +    ciupgrade => {
> +	optional => 1,
> +	type => 'boolean',
> +	description => 'cloud-init: do an automatic package update on boot.'

Missing the default.

> +    },
> +    cicustom => {
> +	optional => 1,
> +	type => 'string',
> +	description => 'cloud-init: Specify custom files to replace the automatically generated'
> +	    .' ones at start.',
> +	format => 'pve-pct-cicustom',
> +    },
> +    sshkeys => {
> +	optional => 1,
> +	type => 'string',
> +	format => 'urlencoded',
> +	description => "cloud-init: Setup public SSH keys (one key per line, OpenSSH format).",
> +    },
> +};
> +
>  my $confdesc = {
>      lock => {
>  	optional => 1,
> @@ -622,6 +679,10 @@ my $confdesc = {
>      },
>  };
>  
> +foreach my $key (keys %$confdesc_cloudinit) {

Style nit: use "for"

> +    $confdesc->{$key} = $confdesc_cloudinit->{$key};
> +}
> +
>  my $valid_lxc_conf_keys = {
>      'lxc.apparmor.profile' => 1,
>      'lxc.apparmor.allow_incomplete' => 1,