[pve-devel] [PATCH v3 storage 1/2] storage: rename REs for iso and vztmpl extensions

[Lorenz Stechauner]

these changes make it more clear, how many capture groups each
RE inclues.

Signed-off-by: Lorenz Stechauner <l.stechau...@proxmox.com>
---
 PVE/API2/Storage/Status.pm |  8 ++++----
 PVE/Storage.pm             | 14 ++++++++++----
 PVE/Storage/Plugin.pm      |  8 ++++----
 3 files changed, 18 insertions(+), 12 deletions(-)

diff --git a/PVE/API2/Storage/Status.pm b/PVE/API2/Storage/Status.pm
index 02c970f..e028423 100644
--- a/PVE/API2/Storage/Status.pm
+++ b/PVE/API2/Storage/Status.pm
@@ -437,12 +437,12 @@ __PACKAGE__->register_method ({
        my $path;
 
        if ($content eq 'iso') {
-           if ($filename !~ m![^/]+$PVE::Storage::iso_extension_re$!) {
+           if ($filename !~ m![^/]+$PVE::Storage::ISO_EXT_RE_0$!) {
                raise_param_exc({ filename => "wrong file extension" });
            }
            $path = PVE::Storage::get_iso_dir($cfg, $param->{storage});
        } elsif ($content eq 'vztmpl') {
-           if ($filename !~ m![^/]+$PVE::Storage::vztmpl_extension_re$!) {
+           if ($filename !~ m![^/]+$PVE::Storage::VZTMPL_EXT_RE_1$!) {
                raise_param_exc({ filename => "wrong file extension" });
            }
            $path = PVE::Storage::get_vztmpl_dir($cfg, $param->{storage});
@@ -618,12 +618,12 @@ __PACKAGE__->register_method({
 
        my $path;
        if ($content eq 'iso') {
-           if ($filename !~ m![^/]+$PVE::Storage::iso_extension_re$!) {
+           if ($filename !~ m![^/]+$PVE::Storage::ISO_EXT_RE_0$!) {
                raise_param_exc({ filename => "wrong file extension" });
            }
            $path = PVE::Storage::get_iso_dir($cfg, $storage);
        } elsif ($content eq 'vztmpl') {
-           if ($filename !~ m![^/]+$PVE::Storage::vztmpl_extension_re$!) {
+           if ($filename !~ m![^/]+$PVE::Storage::VZTMPL_EXT_RE_1$!) {
                raise_param_exc({ filename => "wrong file extension" });
            }
            $path = PVE::Storage::get_vztmpl_dir($cfg, $storage);
diff --git a/PVE/Storage.pm b/PVE/Storage.pm
index 71d6ad7..4e1b1f7 100755
--- a/PVE/Storage.pm
+++ b/PVE/Storage.pm
@@ -101,9 +101,15 @@ if ( -d '/usr/share/perl5/PVE/Storage/Custom' ) {
 # initialize all plugins
 PVE::Storage::Plugin->init();
 
-our $iso_extension_re = qr/\.(?:iso|img)/i;
+# the following REs indicate the number or capture groups via the trailing 
digit
+# CAUTION don't forget to update the digits accordingly after messing with the 
capture groups
 
-our $vztmpl_extension_re = qr/\.tar\.(gz|xz|zst)/i;
+our $ISO_EXT_RE_0 = qr/\.(?:iso|img)/i;
+
+our $VZTMPL_EXT_RE_1 = qr/\.tar\.(gz|xz|zst)/i;
+
+# FIXME remove with PVE 8.0, add versioned breaks for pve-manager
+our $vztmpl_extension_re = $VZTMPL_EXT_RE_1;
 
 #  PVE::Storage utility functions
 
@@ -574,10 +580,10 @@ sub path_to_volume_id {
                    return ('images', $info->{volid});
                }
            }
-       } elsif ($path =~ m!^$isodir/([^/]+$iso_extension_re)$!) {
+       } elsif ($path =~ m!^$isodir/([^/]+$ISO_EXT_RE_0)$!) {
            my $name = $1;
            return ('iso', "$sid:iso/$name");
-       } elsif ($path =~ m!^$tmpldir/([^/]+$vztmpl_extension_re)$!) {
+       } elsif ($path =~ m!^$tmpldir/([^/]+$VZTMPL_EXT_RE_1)$!) {
            my $name = $1;
            return ('vztmpl', "$sid:vztmpl/$name");
        } elsif ($path =~ m!^$privatedir/(\d+)$!) {
diff --git a/PVE/Storage/Plugin.pm b/PVE/Storage/Plugin.pm
index aeb4fff..770f439 100644
--- a/PVE/Storage/Plugin.pm
+++ b/PVE/Storage/Plugin.pm
@@ -563,9 +563,9 @@ sub parse_volname {
        my ($vmid, $name) = ($1, $2);
        my (undef, $format, $isBase) = parse_name_dir($name);
        return ('images', $name, $vmid, undef, undef, $isBase, $format);
-    } elsif ($volname =~ m!^iso/([^/]+$PVE::Storage::iso_extension_re)$!) {
+    } elsif ($volname =~ m!^iso/([^/]+$PVE::Storage::ISO_EXT_RE_0)$!) {
        return ('iso', $1);
-    } elsif ($volname =~ 
m!^vztmpl/([^/]+$PVE::Storage::vztmpl_extension_re)$!) {
+    } elsif ($volname =~ m!^vztmpl/([^/]+$PVE::Storage::VZTMPL_EXT_RE_1)$!) {
        return ('vztmpl', $1);
     } elsif ($volname =~ m!^rootdir/(\d+)$!) {
        return ('rootdir', $1, $1);
@@ -1093,12 +1093,12 @@ my $get_subdir_files = sub {
        my $info;
 
        if ($tt eq 'iso') {
-           next if $fn !~ m!/([^/]+$PVE::Storage::iso_extension_re)$!i;
+           next if $fn !~ m!/([^/]+$PVE::Storage::ISO_EXT_RE_0)$!i;
 
            $info = { volid => "$sid:iso/$1", format => 'iso' };
 
        } elsif ($tt eq 'vztmpl') {
-           next if $fn !~ m!/([^/]+$PVE::Storage::vztmpl_extension_re)$!;
+           next if $fn !~ m!/([^/]+$PVE::Storage::VZTMPL_EXT_RE_1)$!;
 
            $info = { volid => "$sid:vztmpl/$1", format => "t$2" };
 
-- 
2.30.2



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