From c2fc9fbe1d6eaa6e190e4c80248d3434cb2f4f87 Mon Sep 17 00:00:00 2001 From: Dietmar Maurer Date: Fri, 19 Jul 2019 11:56:16 +0200 Subject: [PATCH] storage plugin: new list_volumes plugin method This cleanup improve code reuse, and allows plugins to override list_volumes. --- PVE/Storage.pm | 175 +++++++++------------------------------ PVE/Storage/DirPlugin.pm | 4 +- PVE/Storage/Plugin.pm | 77 +++++++++++++++++ 3 files changed, 117 insertions(+), 139 deletions(-) diff --git a/PVE/Storage.pm b/PVE/Storage.pm index 5925c69..7376dbf 100755 --- a/PVE/Storage.pm +++ b/PVE/Storage.pm @@ -36,11 +36,11 @@ use PVE::Storage::ZFSPlugin; use PVE::Storage::DRBDPlugin; # Storage API version. Icrement it on changes in storage API interface. -use constant APIVER => 2; +use constant APIVER => 3; # Age is the number of versions we're backward compatible with. # This is like having 'current=APIVER' and age='APIAGE' in libtool, # see https://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html -use constant APIAGE => 1; +use constant APIAGE => 2; # load standard plugins PVE::Storage::DirPlugin->register(); @@ -769,116 +769,6 @@ sub vdisk_free { $rpcenv->fork_worker('imgdel', undef, $authuser, $cleanup_worker); } -# lists all files in the snippets directory -sub snippets_list { - my ($cfg, $storeid) = @_; - - my $ids = $cfg->{ids}; - - storage_check_enabled($cfg, $storeid) if ($storeid); - - my $res = {}; - - foreach my $sid (keys %$ids) { - next if $storeid && $storeid ne $sid; - next if !storage_check_enabled($cfg, $sid, undef, 1); - - my $scfg = $ids->{$sid}; - next if !$scfg->{content}->{snippets}; - - activate_storage($cfg, $sid); - - if ($scfg->{path}) { - my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); - my $path = $plugin->get_subdir($scfg, 'snippets'); - - foreach my $fn (<$path/*>) { - next if -d $fn; - - push @{$res->{$sid}}, { - volid => "$sid:snippets/". basename($fn), - format => 'snippet', - size => -s $fn // 0, - }; - } - } - - if ($res->{$sid}) { - @{$res->{$sid}} = sort {$a->{volid} cmp $b->{volid} } @{$res->{$sid}}; - } - } - - return $res; -} - -#list iso or openvz template ($tt = ) -sub template_list { - my ($cfg, $storeid, $tt) = @_; - - die "unknown template type '$tt'\n" - if !($tt eq 'iso' || $tt eq 'vztmpl' || $tt eq 'backup'); - - my $ids = $cfg->{ids}; - - storage_check_enabled($cfg, $storeid) if ($storeid); - - my $res = {}; - - # query the storage - - foreach my $sid (keys %$ids) { - next if $storeid && $storeid ne $sid; - - my $scfg = $ids->{$sid}; - my $type = $scfg->{type}; - - next if !storage_check_enabled($cfg, $sid, undef, 1); - - next if $tt eq 'iso' && !$scfg->{content}->{iso}; - next if $tt eq 'vztmpl' && !$scfg->{content}->{vztmpl}; - next if $tt eq 'backup' && !$scfg->{content}->{backup}; - - activate_storage($cfg, $sid); - - if ($scfg->{path}) { - my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); - - my $path = $plugin->get_subdir($scfg, $tt); - - foreach my $fn (<$path/*>) { - - my $info; - - if ($tt eq 'iso') { - next if $fn !~ m!/([^/]+\.[Ii][Ss][Oo])$!; - - $info = { volid => "$sid:iso/$1", format => 'iso' }; - - } elsif ($tt eq 'vztmpl') { - next if $fn !~ m!/([^/]+\.tar\.([gx]z))$!; - - $info = { volid => "$sid:vztmpl/$1", format => "t$2" }; - - } elsif ($tt eq 'backup') { - next if $fn !~ m!/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo))$!; - - $info = { volid => "$sid:backup/$1", format => $2 }; - } - - $info->{size} = -s $fn // 0; - - push @{$res->{$sid}}, $info; - } - - } - - @{$res->{$sid}} = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @{$res->{$sid}} if $res->{$sid}; - } - - return $res; -} - - sub vdisk_list { my ($cfg, $storeid, $vmid, $vollist) = @_; @@ -923,6 +813,35 @@ sub vdisk_list { return $res; } +sub template_list { + my ($cfg, $storeid, $tt) = @_; + + die "unknown template type '$tt'\n" + if !($tt eq 'iso' || $tt eq 'vztmpl' || $tt eq 'backup' || $tt eq 'snippets'); + + my $ids = $cfg->{ids}; + + storage_check_enabled($cfg, $storeid) if ($storeid); + + my $res = {}; + + # query the storage + foreach my $sid (keys %$ids) { + next if $storeid && $storeid ne $sid; + + my $scfg = $ids->{$sid}; + my $type = $scfg->{type}; + + next if !$scfg->{content}->{$tt}; + + next if !storage_check_enabled($cfg, $sid, undef, 1); + + $res->{$sid} = volume_list($cfg, $sid, undef, $tt); + } + + return $res; +} + sub volume_list { my ($cfg, $storeid, $vmid, $content) = @_; @@ -932,33 +851,15 @@ sub volume_list { my $scfg = PVE::Storage::storage_config($cfg, $storeid); - my $res = []; - foreach my $ct (@$cts) { - my $data; - if ($ct eq 'images') { - $data = vdisk_list($cfg, $storeid, $vmid); - } elsif ($ct eq 'iso' && !defined($vmid)) { - $data = template_list($cfg, $storeid, 'iso'); - } elsif ($ct eq 'vztmpl'&& !defined($vmid)) { - $data = template_list ($cfg, $storeid, 'vztmpl'); - } elsif ($ct eq 'backup') { - $data = template_list ($cfg, $storeid, 'backup'); - foreach my $item (@{$data->{$storeid}}) { - if (defined($vmid)) { - @{$data->{$storeid}} = grep { $_->{volid} =~ m/\S+-$vmid-\S+/ } @{$data->{$storeid}}; - } - } - } elsif ($ct eq 'snippets') { - $data = snippets_list($cfg, $storeid); - } + $cts = [ grep { defined($scfg->{content}->{$_}) } @$cts ]; - next if !$data || !$data->{$storeid}; + my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); - foreach my $item (@{$data->{$storeid}}) { - $item->{content} = $ct; - push @$res, $item; - } - } + activate_storage($cfg, $storeid); + + my $res = $plugin->list_volumes($storeid, $scfg, $vmid, $cts); + + @$res = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @$res; return $res; } diff --git a/PVE/Storage/DirPlugin.pm b/PVE/Storage/DirPlugin.pm index e24ee09..39760a8 100644 --- a/PVE/Storage/DirPlugin.pm +++ b/PVE/Storage/DirPlugin.pm @@ -21,7 +21,7 @@ sub plugindata { { images => 1, rootdir => 1 }], format => [ { raw => 1, qcow2 => 1, vmdk => 1, subvol => 1 } , 'raw' ], }; -} +} sub properties { return { @@ -114,7 +114,7 @@ sub activate_storage { "directory is expected to be a mount point but is not mounted: '$mp'\n"; } - $class->SUPER::activate_storage($storeid, $scfg, $cache); + $class->SUPER::activate_storage($storeid, $scfg, $cache); } sub check_config { diff --git a/PVE/Storage/Plugin.pm b/PVE/Storage/Plugin.pm index 842b4d2..e075a1d 100644 --- a/PVE/Storage/Plugin.pm +++ b/PVE/Storage/Plugin.pm @@ -902,6 +902,83 @@ sub list_images { return $res; } +# list templates ($tt = ) +my $get_subdir_files = sub { + my ($sid, $path, $tt, $vmid) = @_; + + my $res = []; + + foreach my $fn (<$path/*>) { + + next if -d $fn; + + my $info; + + if ($tt eq 'iso') { + next if $fn !~ m!/([^/]+\.iso)$!i; + + $info = { volid => "$sid:iso/$1", format => 'iso' }; + + } elsif ($tt eq 'vztmpl') { + next if $fn !~ m!/([^/]+\.tar\.([gx]z))$!; + + $info = { volid => "$sid:vztmpl/$1", format => "t$2" }; + + } elsif ($tt eq 'backup') { + next if $fn !~ m!/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo))$!; + next if defined($vmid) && $fn !~ m/\S+-$vmid-\S+/; + + $info = { volid => "$sid:backup/$1", format => $2 }; + + } elsif ($tt eq 'snippets') { + + $info = { + volid => "$sid:snippets/". basename($fn), + format => 'snippet', + }; + } + + $info->{size} = -s $fn // 0; + + push @$res, $info; + } + + return $res; +}; + +sub list_volumes { + my ($class, $storeid, $scfg, $vmid, $content_types) = @_; + + my $res = []; + + foreach my $ct (@$content_types) { + my $data; + + my $path = $class->get_subdir($scfg, $ct); + + if ($ct eq 'images') { + $data = $class->list_images($storeid, $scfg, $vmid); + } elsif ($ct eq 'iso' && !defined($vmid)) { + $data = $get_subdir_files->($storeid, $path, 'iso'); + } elsif ($ct eq 'vztmpl'&& !defined($vmid)) { + $data = $get_subdir_files->($storeid, $path, 'vztmpl'); + } elsif ($ct eq 'backup') { + $data = $get_subdir_files->($storeid, $path, 'backup', $vmid); + } elsif ($ct eq 'snippets') { + $data = $get_subdir_files->($storeid, $path, 'snippets'); + } + + next if !$data; + + foreach my $item (@$data) { + $item->{content} = $ct; + push @$res, $item; + } + } + + return $res; +} + sub status { my ($class, $storeid, $scfg, $cache) = @_; -- 2.39.2