Re: [pve-devel] [PATCH storage] storage/plugin: factoring out regex for backup extension re

[Lorenz Stechauner <l.stechauner@proxmox.com>]

ping

On 28.06.21 10:37, Lorenz Stechauner wrote:
> Signed-off-by: Lorenz Stechauner <l.stechauner@proxmox.com>
> ---
>   PVE/Storage.pm        | 12 +++++++-----
>   PVE/Storage/Plugin.pm |  4 ++--
>   2 files changed, 9 insertions(+), 7 deletions(-)
>
> diff --git a/PVE/Storage.pm b/PVE/Storage.pm
> index b8e6311..ec29b45 100755
> --- a/PVE/Storage.pm
> +++ b/PVE/Storage.pm
> @@ -105,6 +105,8 @@ our $iso_extension_re = qr/\.(?:iso|img)/i;
>   
>   our $vztmpl_extension_re = qr/\.tar\.([gx]z)/i;
>   
> +our $backup_extension_re = qr/\.(tgz|(?:(?:tar|vma)(?:\.(${\PVE::Storage::Plugin::COMPRESSOR_RE}))?))/i;
> +
>   #  PVE::Storage utility functions
>   
>   sub config {
> @@ -583,7 +585,7 @@ sub path_to_volume_id {
>   	} elsif ($path =~ m!^$privatedir/(\d+)$!) {
>   	    my $vmid = $1;
>   	    return ('rootdir', "$sid:rootdir/$vmid");
> -	} elsif ($path =~ m!^$backupdir/([^/]+\.(?:tgz|(?:(?:tar|vma)(?:\.(?:${\PVE::Storage::Plugin::COMPRESSOR_RE}))?)))$!) {
> +	} elsif ($path =~ m!^$backupdir/([^/]+$backup_extension_re)$!) {
>   	    my $name = $1;
>   	    return ('backup', "$sid:backup/$name");
>   	} elsif ($path =~ m!^$snippetsdir/([^/]+)$!) {
> @@ -1468,15 +1470,15 @@ sub archive_info {
>       my $info;
>   
>       my $volid = basename($archive);
> -    if ($volid =~ /^(vzdump-(lxc|openvz|qemu)-.+\.(tgz$|tar|vma)(?:\.(${\PVE::Storage::Plugin::COMPRESSOR_RE}))?)$/) {
> +    if ($volid =~ /^(vzdump-(lxc|openvz|qemu)-.+$backup_extension_re)$/) {
>   	my $filename = "$1"; # untaint
> -	my ($type, $format, $comp) = ($2, $3, $4);
> -	my $format_re = defined($comp) ? "$format.$comp" : "$format";
> +	my ($type, $extension, $comp) = ($2, $3, $4);
> +	(my $format = $extension) =~ s/\..*//;
>   	$info = decompressor_info($format, $comp);
>   	$info->{filename} = $filename;
>   	$info->{type} = $type;
>   
> -	if ($volid =~ /^(vzdump-${type}-([1-9][0-9]{2,8})-(\d{4})_(\d{2})_(\d{2})-(\d{2})_(\d{2})_(\d{2}))\.${format_re}$/) {
> +	if ($volid =~ /^(vzdump-${type}-([1-9][0-9]{2,8})-(\d{4})_(\d{2})_(\d{2})-(\d{2})_(\d{2})_(\d{2}))\.${extension}$/) {
>   	    $info->{logfilename} = "$1.log";
>   	    $info->{vmid} = int($2);
>   	    $info->{ctime} = timelocal($8, $7, $6, $5, $4 - 1, $3);
> diff --git a/PVE/Storage/Plugin.pm b/PVE/Storage/Plugin.pm
> index b1865cb..9e7eb7d 100644
> --- a/PVE/Storage/Plugin.pm
> +++ b/PVE/Storage/Plugin.pm
> @@ -522,7 +522,7 @@ sub parse_volname {
>   	return ('vztmpl', $1);
>       } elsif ($volname =~ m!^rootdir/(\d+)$!) {
>   	return ('rootdir', $1, $1);
> -    } elsif ($volname =~ m!^backup/([^/]+(?:\.(?:tgz|(?:(?:tar|vma)(?:\.(?:${\COMPRESSOR_RE}))?))))$!) {
> +    } elsif ($volname =~ m!^backup/([^/]+$PVE::Storage::backup_extension_re)$!) {
>   	my $fn = $1;
>   	if ($fn =~ m/^vzdump-(openvz|lxc|qemu)-(\d+)-.+/) {
>   	    return ('backup', $fn, $2);
> @@ -1055,7 +1055,7 @@ my $get_subdir_files = sub {
>   	    $info = { volid => "$sid:vztmpl/$1", format => "t$2" };
>   
>   	} elsif ($tt eq 'backup') {
> -	    next if $fn !~ m!/([^/]+\.(tgz|(?:(?:tar|vma)(?:\.(${\COMPRESSOR_RE}))?)))$!;
> +	    next if $fn !~ m!/([^/]+$PVE::Storage::backup_extension_re)$!;
>   	    my $original = $fn;
>   	    my $format = $2;
>   	    $fn = $1;