[pve-devel] applied: [PATCH v4 container 1/2] Fix #1924: add snapshot parameter

Thomas Lamprecht t.lamprecht at proxmox.com
Wed Jan 30 14:54:33 CET 2019


On 1/30/19 2:41 PM, Rhonda D'Vine wrote:
> The pct CLI command offer the config function. The output of that may
> vary with respect to a given snapshot. This adds a switch that shows the
> corresponding snapshot's config.
> 
> The code needs a newer libpve-guest-common-perl, thus bumping the
> dependency.
> 

applied, but....

> Signed-off-by: Rhonda D'Vine <rhonda at proxmox.com>
> ---
>  debian/control             |  2 +-
>  src/PVE/API2/LXC/Config.pm | 19 +++++++++++++++++++
>  2 files changed, 20 insertions(+), 1 deletion(-)
> 
> diff --git a/debian/control b/debian/control
> index 15f42ad..5a1e9eb 100644
> --- a/debian/control
> +++ b/debian/control
> @@ -4,7 +4,7 @@ Priority: extra
>  Maintainer: Proxmox Support Team <support at proxmox.com>
>  Build-Depends: debhelper (>= 7.0.50~),
>                 libpve-common-perl,
> -               libpve-guest-common-perl | libpve-common-perl (<= 4.0-89),
> +               libpve-guest-common-perl (>= 2.0-19),
>                 libpve-storage-perl,
>                 libtest-mockmodule-perl,
>                 lxc (>= 3.0.2-1) | lxc-pve (>= 3.0.1+pve1-1),
> diff --git a/src/PVE/API2/LXC/Config.pm b/src/PVE/API2/LXC/Config.pm
> index 1ba0ffd..b69db12 100644
> --- a/src/PVE/API2/LXC/Config.pm
> +++ b/src/PVE/API2/LXC/Config.pm
> @@ -35,6 +35,14 @@ __PACKAGE__->register_method({
>  	properties => {
>  	    node => get_standard_option('pve-node'),
>  	    vmid => get_standard_option('pve-vmid', { completion => \&PVE::LXC::complete_ctid }),
> +            snapshot => get_standard_option('pve-snapshot-name', {
> +                description => "Fetch config values from given snapshot.",
> +                optional => 1,
> +                completion => sub {
> +                    my ($cmd, $pname, $cur, $args) = @_;
> +                    PVE::LXC::Config->snapshot_list($args->[0]);
> +                },
> +            }),


this indentation was wrong here, so made a fixup commit. See:
https://pve.proxmox.com/wiki/Perl_Style_Guide#Indentation

>  	},
>      },
>      returns => {
> @@ -57,6 +65,17 @@ __PACKAGE__->register_method({
>  
>  	my $conf = PVE::LXC::Config->load_config($param->{vmid});
>  
> +	my $snapname = $param->{snapshot};
> +	if ($snapname) {
> +	    my $snapshot = $conf->{snapshots}->{$snapname};
> +	    die "snapshot '$snapname' does not exist\n"
> +		if !defined($snapshot);
> +
> +	    # we need the digest of the file
> +	    $snapshot->{digest} = $conf->{digest};
> +	    $conf = $snapshot;
> +	}
> +
>  	delete $conf->{snapshots};
>  
>  	return $conf;
> 





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