X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=PVE%2FStorage%2FPlugin.pm;h=6741fecf2bf8690cedf7eb070e00859f608ebe8e;hb=1689e627a698a21404f6912b7f94e918b00a8831;hp=462d9e1e21d40d66b8545aadfd46669a10b986d8;hpb=7fc619d5d31c2eba2cfab6f1fcf6cb9dca7ddf55;p=pve-storage.git diff --git a/PVE/Storage/Plugin.pm b/PVE/Storage/Plugin.pm index 462d9e1..6741fec 100644 --- a/PVE/Storage/Plugin.pm +++ b/PVE/Storage/Plugin.pm @@ -16,13 +16,14 @@ cfs_register_file ('storage.cfg', sub { __PACKAGE__->parse_config(@_); }, sub { __PACKAGE__->write_config(@_); }); + my $defaultData = { propertyList => { type => { description => "Storage type." }, storage => get_standard_option('pve-storage-id'), nodes => get_standard_option('pve-node-list', { optional => 1 }), content => { - description => "Allowed content types.", + description => "Allowed content types. Note: value 'rootdir' is used for Containers, and value 'images' for KVM-Qemu VM's.\n", type => 'string', format => 'pve-storage-content-list', optional => 1, }, @@ -105,9 +106,9 @@ PVE::JSONSchema::register_format('pve-storage-server', \&verify_server); sub verify_server { my ($server, $noerr) = @_; - # fixme: use better regex ? - # IP or DNS name - if ($server !~ m/^[[:alnum:]\-\.]+$/) { + if (!(PVE::JSONSchema::pve_verify_ip($server, 1) || + PVE::JSONSchema::pve_verify_dns_name($server, 1))) + { return undef if $noerr; die "value does not look like a valid server name or IP address\n"; } @@ -132,7 +133,7 @@ sub verify_portal_dns { my ($portal, $noerr) = @_; # IP or DNS name with optional port - if ($portal !~ m/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|[[:alnum:]\-\.]+)(:\d+)?$/) { + if (!PVE::Tools::parse_host_and_port($portal)) { return undef if $noerr; die "value does not look like a valid portal address\n"; } @@ -157,7 +158,7 @@ PVE::JSONSchema::register_format('pve-storage-format', \&verify_format); sub verify_format { my ($fmt, $noerr) = @_; - if ($fmt !~ m/(raw|qcow2|vmdk)/) { + if ($fmt !~ m/(raw|qcow2|vmdk|subvol)/) { return undef if $noerr; die "invalid format '$fmt'\n"; } @@ -312,7 +313,7 @@ sub parse_config { $d->{content} = $def->{content}->[1] if !$d->{content}; } - if ($type eq 'iscsi' || $type eq 'nfs' || $type eq 'rbd' || $type eq 'sheepdog' || $type eq 'iscsidirect' || $type eq 'nexenta' ) { + if ($type eq 'iscsi' || $type eq 'nfs' || $type eq 'rbd' || $type eq 'sheepdog' || $type eq 'iscsidirect' || $type eq 'glusterfs' || $type eq 'zfs' || $type eq 'drbd') { $d->{shared} = 1; } } @@ -342,8 +343,8 @@ sub cluster_lock_storage { sub parse_name_dir { my $name = shift; - if ($name =~ m!^((base-)?[^/\s]+\.(raw|qcow2|vmdk))$!) { - return ($1, $3, $2); + if ($name =~ m!^((base-)?[^/\s]+\.(raw|qcow2|vmdk|subvol))$!) { + return ($1, $3, $2); # (name, format, isBase) } die "unable to parse volume filename '$name'\n"; @@ -356,21 +357,21 @@ sub parse_volname { my ($basedvmid, $basename) = ($1, $2); parse_name_dir($basename); my ($vmid, $name) = ($3, $4); - my (undef, undef, $isBase) = parse_name_dir($name); - return ('images', $name, $vmid, $basename, $basedvmid, $isBase); + my (undef, $format, $isBase) = parse_name_dir($name); + return ('images', $name, $vmid, $basename, $basedvmid, $isBase, $format); } elsif ($volname =~ m!^(\d+)/(\S+)$!) { my ($vmid, $name) = ($1, $2); - my (undef, undef, $isBase) = parse_name_dir($name); - return ('images', $name, $vmid, undef, undef, $isBase); + my (undef, $format, $isBase) = parse_name_dir($name); + return ('images', $name, $vmid, undef, undef, $isBase, $format); } elsif ($volname =~ m!^iso/([^/]+\.[Ii][Ss][Oo])$!) { return ('iso', $1); - } elsif ($volname =~ m!^vztmpl/([^/]+\.tar\.gz)$!) { + } elsif ($volname =~ m!^vztmpl/([^/]+\.tar\.[gx]z)$!) { return ('vztmpl', $1); } elsif ($volname =~ m!^rootdir/(\d+)$!) { return ('rootdir', $1, $1); } elsif ($volname =~ m!^backup/([^/]+(\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo)))$!) { my $fn = $1; - if ($fn =~ m/^vzdump-(openvz|qemu)-(\d+)-.+/) { + if ($fn =~ m/^vzdump-(openvz|lxc|qemu)-(\d+)-.+/) { return ('backup', $fn, $2); } return ('backup', $fn); @@ -401,10 +402,16 @@ sub get_subdir { return "$path/$subdir"; } -sub path { - my ($class, $scfg, $volname, $storeid) = @_; +sub filesystem_path { + my ($class, $scfg, $volname, $snapname) = @_; - my ($vtype, $name, $vmid) = $class->parse_volname($volname); + my ($vtype, $name, $vmid, undef, undef, $isBase, $format) = + $class->parse_volname($volname); + + # Note: qcow2/qed has internal snapshot, so path is always + # the same (with or without snapshot => same file). + die "can't snapshot this image format\n" + if defined($snapname) && $format !~ m/^(qcow2|qed)$/; my $dir = $class->get_subdir($scfg, $vtype); @@ -415,23 +422,29 @@ sub path { return wantarray ? ($path, $vmid, $vtype) : $path; } +sub path { + my ($class, $scfg, $volname, $storeid, $snapname) = @_; + + return $class->filesystem_path($scfg, $volname, $snapname); +} + sub create_base { my ($class, $storeid, $scfg, $volname) = @_; # this only works for file based storage types die "storage definintion has no path\n" if !$scfg->{path}; - my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = + my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) = $class->parse_volname($volname); die "create_base on wrong vtype '$vtype'\n" if $vtype ne 'images'; die "create_base not possible with base image\n" if $isBase; - my $path = $class->path($scfg, $volname); + my $path = $class->filesystem_path($scfg, $volname); - my ($size, $format, $used, $parent) = file_size_info($path); - die "file_size_info on '$volname' failed\n" if !($format && $size); + my ($size, undef, $used, $parent) = file_size_info($path); + die "file_size_info on '$volname' failed\n" if !($format && defined($size)); die "volname '$volname' contains wrong information about parent\n" if $basename && (!$parent || $parent ne "../$basevmid/$basename"); @@ -442,11 +455,11 @@ sub create_base { my $newvolname = $basename ? "$basevmid/$basename/$vmid/$newname" : "$vmid/$newname"; - my $newpath = $class->path($scfg, $newvolname); + my $newpath = $class->filesystem_path($scfg, $newvolname); die "file '$newpath' already exists\n" if -f $newpath; - rename($path, $newpath) || + rename($path, $newpath) || die "rename '$path' to '$newpath' failed - $!\n"; # We try to protect base volume @@ -456,7 +469,7 @@ sub create_base { # also try to set immutable flag eval { run_command(['/usr/bin/chattr', '+i', $newpath]); }; warn $@ if $@; - + return $newvolname; } @@ -464,10 +477,10 @@ my $find_free_diskname = sub { my ($imgdir, $vmid, $fmt) = @_; my $disk_ids = {}; - PVE::Tools::dir_glob_foreach($imgdir, + PVE::Tools::dir_glob_foreach($imgdir, qr!(vm|base)-$vmid-disk-(\d+)\..*!, sub { - my ($fn, $type, $disk) = @_; + my ($fn, $type, $disk) = @_; $disk_ids->{$disk} = 1; }); @@ -481,17 +494,21 @@ my $find_free_diskname = sub { }; sub clone_image { - my ($class, $scfg, $storeid, $volname, $vmid) = @_; + my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_; # this only works for file based storage types die "storage definintion has no path\n" if !$scfg->{path}; - my ($vtype, $basename, $basevmid, undef, undef, $isBase) = + my ($vtype, $basename, $basevmid, undef, undef, $isBase, $format) = $class->parse_volname($volname); die "clone_image on wrong vtype '$vtype'\n" if $vtype ne 'images'; - die "clone_image onyl works on base images\n" if !$isBase; + die "this storage type does not support clone_image on snapshot\n" if $snap; + + die "this storage type does not support clone_image on subvolumes\n" if $format eq 'subvol'; + + die "clone_image only works on base images\n" if !$isBase; my $imagedir = $class->get_subdir($scfg, 'images'); $imagedir .= "/$vmid"; @@ -504,15 +521,15 @@ sub clone_image { my $newvol = "$basevmid/$basename/$vmid/$name"; - my $path = $class->path($scfg, $newvol); + my $path = $class->filesystem_path($scfg, $newvol); - # Note: we use relative paths, so we need to call chdir before qemu-img + # Note: we use relative paths, so we need to call chdir before qemu-img eval { local $CWD = $imagedir; - my $cmd = ['/usr/bin/qemu-img', 'create', '-b', "../$basevmid/$basename", + my $cmd = ['/usr/bin/qemu-img', 'create', '-b', "../$basevmid/$basename", '-f', 'qcow2', $path]; - + run_command($cmd); }; my $err = $@; @@ -531,7 +548,7 @@ sub alloc_image { mkpath $imagedir; $name = &$find_free_diskname($imagedir, $vmid, $fmt) if !$name; - + my (undef, $tmpfmt) = parse_name_dir($name); die "illegal name '$name' - wrong extension for format ('$tmpfmt != '$fmt')\n" @@ -541,41 +558,57 @@ sub alloc_image { die "disk image '$path' already exists\n" if -e $path; - my $cmd = ['/usr/bin/qemu-img', 'create']; - - push @$cmd, '-o', 'preallocation=metadata' if $fmt eq 'qcow2'; - - push @$cmd, '-f', $fmt, $path, "${size}K"; + if ($fmt eq 'subvol') { + # only allow this if size = 0, so that user knows what he is doing + die "storage does not support subvol quotas\n" if $size != 0; + + (mkdir $path) || die "unable to create subvol '$path' - $!\n"; + } else { + my $cmd = ['/usr/bin/qemu-img', 'create']; - run_command($cmd, errmsg => "unable to create image"); + push @$cmd, '-o', 'preallocation=metadata' if $fmt eq 'qcow2'; + + push @$cmd, '-f', $fmt, $path, "${size}K"; + run_command($cmd, errmsg => "unable to create image"); + } + return "$vmid/$name"; } sub free_image { - my ($class, $storeid, $scfg, $volname, $isBase) = @_; - - my $path = $class->path($scfg, $volname); + my ($class, $storeid, $scfg, $volname, $isBase, $format) = @_; - if (! -f $path) { - warn "disk image '$path' does not exists\n"; - return undef; - } + my $path = $class->filesystem_path($scfg, $volname); - if ($isBase) { - # try to remove immutable flag - eval { run_command(['/usr/bin/chattr', '-i', $path]); }; - warn $@ if $@; - } + if ($format eq 'subvol') { + File::Path::remove_tree($path); + } else { + + if (! -f $path) { + warn "disk image '$path' does not exists\n"; + return undef; + } - unlink($path) || die "unlink '$path' failed - $!\n"; + if ($isBase) { + # try to remove immutable flag + eval { run_command(['/usr/bin/chattr', '-i', $path]); }; + warn $@ if $@; + } + unlink($path) || die "unlink '$path' failed - $!\n"; + } + return undef; } sub file_size_info { my ($filename, $timeout) = @_; + if (-d $filename) { + return wantarray ? (0, 'subvol', 0, undef) : 1; + } + my $cmd = ['/usr/bin/qemu-img', 'info', $filename]; my $format; @@ -611,7 +644,7 @@ sub file_size_info { sub volume_size_info { my ($class, $scfg, $storeid, $volname, $timeout) = @_; - my $path = $class->path($scfg, $volname); + my $path = $class->filesystem_path($scfg, $volname); return file_size_info($path, $timeout); } @@ -619,11 +652,11 @@ sub volume_size_info { sub volume_resize { my ($class, $scfg, $storeid, $volname, $size, $running) = @_; - die "can't resize this image format" if $volname !~ m/\.(raw|qcow2)$/; + die "can't resize this image format\n" if $volname !~ m/\.(raw|qcow2)$/; return 1 if $running; - my $path = $class->path($scfg, $volname); + my $path = $class->filesystem_path($scfg, $volname); my $cmd = ['/usr/bin/qemu-img', 'resize', $path , $size]; @@ -633,13 +666,11 @@ sub volume_resize { } sub volume_snapshot { - my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; + my ($class, $scfg, $storeid, $volname, $snap) = @_; - die "can't snapshot this image format" if $volname !~ m/\.(qcow2|qed)$/; + die "can't snapshot this image format\n" if $volname !~ m/\.(qcow2|qed)$/; - return 1 if $running; - - my $path = $class->path($scfg, $volname); + my $path = $class->filesystem_path($scfg, $volname); my $cmd = ['/usr/bin/qemu-img', 'snapshot','-c', $snap, $path]; @@ -648,12 +679,18 @@ sub volume_snapshot { return undef; } +sub volume_rollback_is_possible { + my ($class, $scfg, $storeid, $volname, $snap) = @_; + + return 1; +} + sub volume_snapshot_rollback { my ($class, $scfg, $storeid, $volname, $snap) = @_; - die "can't rollback snapshot this image format" if $volname !~ m/\.(qcow2|qed)$/; + die "can't rollback snapshot this image format\n" if $volname !~ m/\.(qcow2|qed)$/; - my $path = $class->path($scfg, $volname); + my $path = $class->filesystem_path($scfg, $volname); my $cmd = ['/usr/bin/qemu-img', 'snapshot','-a', $snap, $path]; @@ -665,11 +702,11 @@ sub volume_snapshot_rollback { sub volume_snapshot_delete { my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; - die "can't delete snapshot for this image format" if $volname !~ m/\.(qcow2|qed)$/; + die "can't delete snapshot for this image format\n" if $volname !~ m/\.(qcow2|qed)$/; return 1 if $running; - my $path = $class->path($scfg, $volname); + my $path = $class->filesystem_path($scfg, $volname); my $cmd = ['/usr/bin/qemu-img', 'snapshot','-d', $snap, $path]; @@ -682,17 +719,26 @@ sub volume_has_feature { my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; my $features = { - snapshot => { current => { qcow2 => 1}, snap => { qcow2 => 1} }, - clone => { current => {qcow2 => 1, raw => 1, vmdk => 1} }, + snapshot => { current => { qcow2 => 1}, snap => { qcow2 => 1} }, + clone => { base => {qcow2 => 1, raw => 1, vmdk => 1} }, + template => { current => {qcow2 => 1, raw => 1, vmdk => 1, subvol => 1} }, + copy => { base => {qcow2 => 1, raw => 1, vmdk => 1}, + current => {qcow2 => 1, raw => 1, vmdk => 1}, + snap => {qcow2 => 1} }, }; - if ($volname =~ m!^(\d+)/(\S+)$!) { - my ($vmid, $name) = ($1, $2); - my (undef, $format) = parse_name_dir($name); - my $snap = $snapname ? 'snap' : 'current'; - return 1 if defined($features->{$feature}->{$snap}->{$format}); + my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) = + $class->parse_volname($volname); + my $key = undef; + if($snapname){ + $key = 'snap'; + }else{ + $key = $isBase ? 'base' : 'current'; } + + return 1 if defined($features->{$feature}->{$key}->{$format}); + return undef; } @@ -717,7 +763,7 @@ sub list_images { next if !$vollist && defined($vmid) && ($owner ne $vmid); my ($size, $format, $used, $parent) = file_size_info($fn); - next if !($format && $size); + next if !($format && defined($size)); my $volid; if ($parent && $parent =~ m!^../(\d+)/([^/]+\.($fmts))$!) { @@ -734,7 +780,7 @@ sub list_images { push @$res, { volid => $volid, format => $format, - size => $size, vmid => $owner, used => $used, parent => $parent + size => $size, vmid => $owner, used => $used, parent => $parent }; } @@ -787,7 +833,7 @@ sub deactivate_storage { sub activate_volume { my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_; - my $path = $class->path($scfg, $volname); + my $path = $class->filesystem_path($scfg, $volname); # check is volume exists if ($scfg->{path}) {