use strict;
use warnings;
+use Fcntl ':mode';
use File::chdir;
use File::Path;
+use File::Basename;
+use File::stat qw();
use PVE::Tools qw(run_command);
-use PVE::JSONSchema qw(get_standard_option);
+use PVE::JSONSchema qw(get_standard_option register_standard_option);
use PVE::Cluster qw(cfs_register_file);
+use JSON;
+
use base qw(PVE::SectionConfig);
+use constant COMPRESSOR_RE => 'gz|lzo|zst';
+
+use constant NOTES_EXT => ".notes";
+
our @COMMON_TAR_FLAGS = qw(
--one-file-system
-p --sparse --numeric-owner --acls
'cifs',
'rbd',
'cephfs',
- 'sheepdog',
'iscsidirect',
'glusterfs',
'zfs',
- 'drbd');
+ 'drbd',
+ 'pbs',
+);
+
+our $QCOW2_PREALLOCATION = {
+ off => 1,
+ metadata => 1,
+ falloc => 1,
+ full => 1,
+};
+
+our $RAW_PREALLOCATION = {
+ off => 1,
+ falloc => 1,
+ full => 1,
+};
+
+our $MAX_VOLUMES_PER_GUEST = 1024;
cfs_register_file ('storage.cfg',
sub { __PACKAGE__->parse_config(@_); },
sub { __PACKAGE__->write_config(@_); });
+my %prune_option = (
+ optional => 1,
+ type => 'integer', minimum => '0',
+ format_description => 'N',
+);
+
+our $prune_backups_format = {
+ 'keep-all' => {
+ type => 'boolean',
+ description => 'Keep all backups. Conflicts with the other options when true.',
+ optional => 1,
+ },
+ 'keep-last' => {
+ %prune_option,
+ description => 'Keep the last <N> backups.',
+ },
+ 'keep-hourly' => {
+ %prune_option,
+ description => 'Keep backups for the last <N> different hours. If there is more' .
+ 'than one backup for a single hour, only the latest one is kept.'
+ },
+ 'keep-daily' => {
+ %prune_option,
+ description => 'Keep backups for the last <N> different days. If there is more' .
+ 'than one backup for a single day, only the latest one is kept.'
+ },
+ 'keep-weekly' => {
+ %prune_option,
+ description => 'Keep backups for the last <N> different weeks. If there is more' .
+ 'than one backup for a single week, only the latest one is kept.'
+ },
+ 'keep-monthly' => {
+ %prune_option,
+ description => 'Keep backups for the last <N> different months. If there is more' .
+ 'than one backup for a single month, only the latest one is kept.'
+ },
+ 'keep-yearly' => {
+ %prune_option,
+ description => 'Keep backups for the last <N> different years. If there is more' .
+ 'than one backup for a single year, only the latest one is kept.'
+ },
+};
+PVE::JSONSchema::register_format('prune-backups', $prune_backups_format, \&validate_prune_backups);
+sub validate_prune_backups {
+ my ($prune_backups) = @_;
+
+ my $res = { $prune_backups->%* };
+
+ my $keep_all = delete $res->{'keep-all'};
+
+ if (scalar(grep { $_ > 0 } values %{$res}) == 0) {
+ $res = { 'keep-all' => 1 };
+ } elsif ($keep_all) {
+ die "keep-all cannot be set together with other options.\n";
+ }
+
+ return $res;
+}
+register_standard_option('prune-backups', {
+ description => "The retention options with shorter intervals are processed first " .
+ "with --keep-last being the very first one. Each option covers a " .
+ "specific period of time. We say that backups within this period " .
+ "are covered by this option. The next option does not take care " .
+ "of already covered backups and only considers older backups.",
+ optional => 1,
+ type => 'string',
+ format => 'prune-backups',
+});
my $defaultData = {
propertyList => {
optional => 1,
},
maxfiles => {
- description => "Maximal number of backup files per VM. Use '0' for unlimted.",
+ description => "Deprecated: use 'prune-backups' instead. " .
+ "Maximal number of backup files per VM. Use '0' for unlimited.",
type => 'integer',
minimum => 0,
optional => 1,
},
+ 'prune-backups' => get_standard_option('prune-backups'),
shared => {
description => "Mark storage as shared.",
type => 'boolean',
type => 'string', format => 'pve-storage-format',
optional => 1,
},
+ preallocation => {
+ description => "Preallocation mode for raw and qcow2 images. " .
+ "Using 'metadata' on raw images results in preallocation=off.",
+ type => 'string', enum => ['off', 'metadata', 'falloc', 'full'],
+ default => 'metadata',
+ optional => 1,
+ },
},
};
sub parse_lvm_name {
my ($name, $noerr) = @_;
- if ($name !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) {
+ if ($name !~ m/^[a-z0-9][a-z0-9\-\_\.]*[a-z0-9]$/i) {
return undef if $noerr;
die "lvm name '$name' contains illegal characters\n";
}
die "unable to combine 'none' with other content types\n";
}
+ if (scalar(keys $res->%*) == 0 && !$valid_content->{none}) {
+ die "storage does not support content type 'none'\n";
+ }
+
return $res;
} elsif ($key eq 'format') {
my $valid_formats = $def->{format}->[0];
type => 'dir',
priority => 0, # force first entry
path => '/var/lib/vz',
- maxfiles => 0,
- content => { images => 1, rootdir => 1, vztmpl => 1, iso => 1},
+ 'prune-backups' => 'keep-all=1',
+ content => {
+ backup => 1,
+ images => 1,
+ iso => 1,
+ rootdir => 1,
+ snippets => 1,
+ vztmpl => 1,
+ },
};
}
return $cfg;
}
+sub preallocation_cmd_option {
+ my ($scfg, $fmt) = @_;
+
+ my $prealloc = $scfg->{preallocation};
+
+ if ($fmt eq 'qcow2') {
+ $prealloc = $prealloc // 'metadata';
+
+ die "preallocation mode '$prealloc' not supported by format '$fmt'\n"
+ if !$QCOW2_PREALLOCATION->{$prealloc};
+
+ return "preallocation=$prealloc";
+ } elsif ($fmt eq 'raw') {
+ $prealloc = $prealloc // 'off';
+ $prealloc = 'off' if $prealloc eq 'metadata';
+
+ die "preallocation mode '$prealloc' not supported by format '$fmt'\n"
+ if !$RAW_PREALLOCATION->{$prealloc};
+
+ return "preallocation=$prealloc";
+ }
+
+ return;
+}
+
# Storage implementation
# called during addition of storage (before the new storage config got written)
-# die to abort additon if there are (grave) problems
+# die to abort addition if there are (grave) problems
# NOTE: runs in a storage config *locked* context
sub on_add_hook {
my ($class, $storeid, $scfg, %param) = @_;
# do nothing by default
+ return undef;
+}
+
+# called during storage configuration update (before the updated storage config got written)
+# die to abort the update if there are (grave) problems
+# NOTE: runs in a storage config *locked* context
+sub on_update_hook {
+ my ($class, $storeid, $scfg, %param) = @_;
+
+ # do nothing by default
+ return undef;
}
# called during deletion of storage (before the new storage config got written)
my ($class, $storeid, $scfg) = @_;
# do nothing by default
+ return undef;
}
sub cluster_lock_storage {
my ($vmid, $name) = ($1, $2);
my (undef, $format, $isBase) = parse_name_dir($name);
return ('images', $name, $vmid, undef, undef, $isBase, $format);
- } elsif ($volname =~ m!^iso/([^/]+\.[Ii][Ss][Oo])$!) {
+ } elsif ($volname =~ m!^iso/([^/]+$PVE::Storage::iso_extension_re)$!) {
return ('iso', $1);
- } elsif ($volname =~ m!^vztmpl/([^/]+\.tar\.[gx]z)$!) {
+ } elsif ($volname =~ m!^vztmpl/([^/]+$PVE::Storage::vztmpl_extension_re)$!) {
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)))$!) {
+ } elsif ($volname =~ m!^backup/([^/]+(?:\.(?:tgz|(?:(?:tar|vma)(?:\.(?:${\COMPRESSOR_RE}))?))))$!) {
my $fn = $1;
if ($fn =~ m/^vzdump-(openvz|lxc|qemu)-(\d+)-.+/) {
return ('backup', $fn, $2);
}
return ('backup', $fn);
+ } elsif ($volname =~ m!^snippets/([^/]+)$!) {
+ return ('snippets', $1);
}
die "unable to parse directory volume name '$volname'\n";
iso => 'template/iso',
vztmpl => 'template/cache',
backup => 'dump',
+ snippets => 'snippets',
};
+sub get_vtype_subdirs {
+ return $vtype_subdirs;
+}
+
sub get_subdir {
my ($class, $scfg, $vtype) = @_;
my $path = $scfg->{path};
- die "storage definintion has no path\n" if !$path;
+ die "storage definition has no path\n" if !$path;
my $subdir = $vtype_subdirs->{$vtype};
return $newvolname;
}
-my $find_free_diskname = sub {
- my ($imgdir, $vmid, $fmt) = @_;
+my $get_vm_disk_number = sub {
+ my ($disk_name, $scfg, $vmid, $suffix) = @_;
+
+ my $disk_regex = qr/(vm|base)-$vmid-disk-(\d+)$suffix/;
+
+ my $type = $scfg->{type};
+ my $def = { %{$defaultData->{plugindata}->{$type}} };
+
+ my $valid = $def->{format}[0];
+ if ($valid->{subvol}) {
+ $disk_regex = qr/(vm|base|subvol|basevol)-$vmid-disk-(\d+)/;
+ }
+
+ if ($disk_name =~ m/$disk_regex/) {
+ return $2;
+ }
+
+ return undef;
+};
+
+sub get_next_vm_diskname {
+ my ($disk_list, $storeid, $vmid, $fmt, $scfg, $add_fmt_suffix) = @_;
+
+ $fmt //= '';
+ my $prefix = ($fmt eq 'subvol') ? 'subvol' : 'vm';
+ my $suffix = $add_fmt_suffix ? ".$fmt" : '';
my $disk_ids = {};
- PVE::Tools::dir_glob_foreach($imgdir,
- qr!(vm|base)-$vmid-disk-(\d+)\..*!,
- sub {
- my ($fn, $type, $disk) = @_;
- $disk_ids->{$disk} = 1;
- });
-
- for (my $i = 1; $i < 100; $i++) {
+ foreach my $disk (@$disk_list) {
+ my $disknum = $get_vm_disk_number->($disk, $scfg, $vmid, $suffix);
+ $disk_ids->{$disknum} = 1 if defined($disknum);
+ }
+
+ for (my $i = 0; $i < $MAX_VOLUMES_PER_GUEST; $i++) {
if (!$disk_ids->{$i}) {
- return "vm-$vmid-disk-$i.$fmt";
+ return "$prefix-$vmid-disk-$i$suffix";
}
}
- die "unable to allocate a new image name for VM $vmid in '$imgdir'\n";
-};
+ die "unable to allocate an image name for VM $vmid in storage '$storeid'\n"
+}
+
+sub find_free_diskname {
+ my ($class, $storeid, $scfg, $vmid, $fmt, $add_fmt_suffix) = @_;
+
+ my $disks = $class->list_images($storeid, $scfg, $vmid);
+
+ my $disk_list = [ map { $_->{volid} } @$disks ];
+
+ return get_next_vm_diskname($disk_list, $storeid, $vmid, $fmt, $scfg, $add_fmt_suffix);
+}
sub clone_image {
my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_;
# this only works for file based storage types
- die "storage definintion has no path\n" if !$scfg->{path};
+ die "storage definition has no path\n" if !$scfg->{path};
my ($vtype, $basename, $basevmid, undef, undef, $isBase, $format) =
$class->parse_volname($volname);
mkpath $imagedir;
- my $name = &$find_free_diskname($imagedir, $vmid, "qcow2");
+ my $name = $class->find_free_diskname($storeid, $scfg, $vmid, "qcow2", 1);
warn "clone $volname: $vtype, $name, $vmid to $name (base=../$basevmid/$basename)\n";
local $CWD = $imagedir;
my $cmd = ['/usr/bin/qemu-img', 'create', '-b', "../$basevmid/$basename",
- '-f', 'qcow2', $path];
+ '-F', $format, '-f', 'qcow2', $path];
run_command($cmd);
};
mkpath $imagedir;
- $name = &$find_free_diskname($imagedir, $vmid, $fmt) if !$name;
+ $name = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt, 1) if !$name;
my (undef, $tmpfmt) = parse_name_dir($name);
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;
-
+
my $old_umask = umask(0022);
my $err;
mkdir($path) or $err = "unable to create subvol '$path' - $!\n";
} else {
my $cmd = ['/usr/bin/qemu-img', 'create'];
- push @$cmd, '-o', 'preallocation=metadata' if $fmt eq 'qcow2';
-
+ my $prealloc_opt = preallocation_cmd_option($scfg, $fmt);
+ push @$cmd, '-o', $prealloc_opt if defined($prealloc_opt);
+
push @$cmd, '-f', $fmt, $path, "${size}K";
- run_command($cmd, errmsg => "unable to create image");
+ eval { run_command($cmd, errmsg => "unable to create image"); };
+ if ($@) {
+ unlink $path;
+ rmdir $imagedir;
+ die "$@";
+ }
}
-
+
return "$vmid/$name";
}
sub free_image {
my ($class, $storeid, $scfg, $volname, $isBase, $format) = @_;
+ die "cannot remove protected volume '$volname' on '$storeid'\n"
+ if $class->get_volume_attribute($scfg, $storeid, $volname, 'protected');
+
my $path = $class->filesystem_path($scfg, $volname);
if ($isBase) {
if (defined($format) && ($format eq 'subvol')) {
File::Path::remove_tree($path);
} else {
-
- if (! -f $path) {
- warn "disk image '$path' does not exists\n";
+ if (!(-f $path || -l $path)) {
+ warn "disk image '$path' does not exist\n";
return undef;
}
unlink($path) || die "unlink '$path' failed - $!\n";
}
-
+
+ # try to cleanup directory to not clutter storage with empty $vmid dirs if
+ # all images from a guest got deleted
+ my $dir = dirname($path);
+ rmdir($dir);
+
return undef;
}
sub file_size_info {
my ($filename, $timeout) = @_;
- if (-d $filename) {
- return wantarray ? (0, 'subvol', 0, undef) : 1;
+ my $st = File::stat::stat($filename);
+
+ if (!defined($st)) {
+ my $extramsg = -l $filename ? ' - dangling symlink?' : '';
+ warn "failed to stat '$filename'$extramsg\n";
+ return undef;
}
-
- my $cmd = ['/usr/bin/qemu-img', 'info', $filename];
- my $format;
- my $parent;
- my $size = 0;
- my $used = 0;
+ if (S_ISDIR($st->mode)) {
+ return wantarray ? (0, 'subvol', 0, undef, $st->ctime) : 1;
+ }
+ my $json = '';
eval {
- run_command($cmd, timeout => $timeout, outfunc => sub {
- my $line = shift;
- if ($line =~ m/^file format:\s+(\S+)\s*$/) {
- $format = $1;
- } elsif ($line =~ m/^backing file:\s(\S+)\s/) {
- $parent = $1;
- } elsif ($line =~ m/^virtual size:\s\S+\s+\((\d+)\s+bytes\)$/) {
- $size = int($1);
- } elsif ($line =~ m/^disk size:\s+(\d+(.\d+)?)([KMGT])\s*$/) {
- $used = $1;
- my $u = $3;
-
- $used *= 1024 if $u eq 'K';
- $used *= (1024*1024) if $u eq 'M';
- $used *= (1024*1024*1024) if $u eq 'G';
- $used *= (1024*1024*1024*1024) if $u eq 'T';
-
- $used = int($used);
- }
- });
+ run_command(['/usr/bin/qemu-img', 'info', '--output=json', $filename],
+ timeout => $timeout,
+ outfunc => sub { $json .= shift },
+ errfunc => sub { warn "$_[0]\n" }
+ );
};
+ warn $@ if $@;
+
+ my $info = eval { decode_json($json) };
+ if (my $err = $@) {
+ warn "could not parse qemu-img info command output for '$filename' - $err\n";
+ return wantarray ? (undef, undef, undef, undef, $st->ctime) : undef;
+ }
+
+ my ($size, $format, $used, $parent) = $info->@{qw(virtual-size format actual-size backing-filename)};
+
+ ($size) = ($size =~ /^(\d+)$/) or die "size '$size' not an integer\n"; # untaint
+ ($used) = ($used =~ /^(\d+)$/) or die "used '$used' not an integer\n"; # untaint
+ ($format) = ($format =~ /^(\S+)$/) or die "format '$format' includes whitespace\n"; # untaint
+ if (defined($parent)) {
+ ($parent) = ($parent =~ /^(\S+)$/) or die "parent '$parent' includes whitespace\n"; # untaint
+ }
+ return wantarray ? ($size, $format, $used, $parent, $st->ctime) : $size;
+}
+
+# FIXME remove on the next APIAGE reset.
+# Deprecated, use get_volume_attribute instead.
+sub get_volume_notes {
+ my ($class, $scfg, $storeid, $volname, $timeout) = @_;
+
+ die "volume notes are not supported for $class";
+}
+
+# FIXME remove on the next APIAGE reset.
+# Deprecated, use update_volume_attribute instead.
+sub update_volume_notes {
+ my ($class, $scfg, $storeid, $volname, $notes, $timeout) = @_;
+
+ die "volume notes are not supported for $class";
+}
+
+# Returns undef if the attribute is not supported for the volume.
+# Should die if there is an error fetching the attribute.
+# Possible attributes:
+# notes - user-provided comments/notes.
+# protected - not to be removed by free_image, and for backups, ignored when pruning.
+sub get_volume_attribute {
+ my ($class, $scfg, $storeid, $volname, $attribute) = @_;
+
+ if ($attribute eq 'notes') {
+ my $notes = eval { $class->get_volume_notes($scfg, $storeid, $volname); };
+ if (my $err = $@) {
+ return if $err =~ m/^volume notes are not supported/;
+ die $err;
+ }
+ return $notes;
+ }
+
+ return;
+}
+
+# Dies if the attribute is not supported for the volume.
+sub update_volume_attribute {
+ my ($class, $scfg, $storeid, $volname, $attribute, $value) = @_;
+
+ if ($attribute eq 'notes') {
+ $class->update_volume_notes($scfg, $storeid, $volname, $value);
+ }
- return wantarray ? ($size, $format, $used, $parent) : $size;
+ die "attribute '$attribute' is not supported for storage type '$scfg->{type}'\n";
}
sub volume_size_info {
return undef;
}
+# Asserts that a rollback to $snap on $volname is possible.
+# If certain snapshots are preventing the rollback and $blockers is an array
+# reference, the snapshot names can be pushed onto $blockers prior to dying.
sub volume_rollback_is_possible {
- my ($class, $scfg, $storeid, $volname, $snap) = @_;
+ my ($class, $scfg, $storeid, $volname, $snap, $blockers) = @_;
- return 1;
+ return 1;
}
sub volume_snapshot_rollback {
return undef;
}
+sub volume_snapshot_needs_fsfreeze {
+
+ return 0;
+}
sub storage_can_replicate {
my ($class, $scfg, $storeid, $format) = @_;
}
sub volume_has_feature {
- my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;
+ my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running, $opts) = @_;
my $features = {
snapshot => { current => { qcow2 => 1}, snap => { qcow2 => 1} },
snap => {qcow2 => 1} },
sparseinit => { base => {qcow2 => 1, raw => 1, vmdk => 1},
current => {qcow2 => 1, raw => 1, vmdk => 1} },
+ rename => { current => {qcow2 => 1, raw => 1, vmdk => 1} },
};
+ # clone_image creates a qcow2 volume
+ return 0 if $feature eq 'clone' &&
+ defined($opts->{valid_target_formats}) &&
+ !(grep { $_ eq 'qcow2' } @{$opts->{valid_target_formats}});
+
+ return 0 if $feature eq 'rename' && $class->can('api') && $class->api() < 10;
+
my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) =
$class->parse_volname($volname);
next if !$vollist && defined($vmid) && ($owner ne $vmid);
- my ($size, $format, $used, $parent) = file_size_info($fn);
+ my ($size, $format, $used, $parent, $ctime) = file_size_info($fn);
next if !($format && defined($size));
my $volid;
next if !$found;
}
- push @$res, {
+ my $info = {
volid => $volid, format => $format,
size => $size, vmid => $owner, used => $used, parent => $parent
};
+
+ $info->{ctime} = $ctime if $ctime;
+
+ push @$res, $info;
+ }
+
+ return $res;
+}
+
+# list templates ($tt = <iso|vztmpl|backup|snippets>)
+my $get_subdir_files = sub {
+ my ($sid, $path, $tt, $vmid) = @_;
+
+ my $res = [];
+
+ foreach my $fn (<$path/*>) {
+ my $st = File::stat::stat($fn);
+
+ next if (!$st || S_ISDIR($st->mode));
+
+ my $info;
+
+ if ($tt eq 'iso') {
+ next if $fn !~ m!/([^/]+$PVE::Storage::iso_extension_re)$!i;
+
+ $info = { volid => "$sid:iso/$1", format => 'iso' };
+
+ } elsif ($tt eq 'vztmpl') {
+ next if $fn !~ m!/([^/]+$PVE::Storage::vztmpl_extension_re)$!;
+
+ $info = { volid => "$sid:vztmpl/$1", format => "t$2" };
+
+ } elsif ($tt eq 'backup') {
+ next if $fn !~ m!/([^/]+\.(tgz|(?:(?:tar|vma)(?:\.(${\COMPRESSOR_RE}))?)))$!;
+ my $original = $fn;
+ my $format = $2;
+ $fn = $1;
+
+ # only match for VMID now, to avoid false positives (VMID in parent directory name)
+ next if defined($vmid) && $fn !~ m/\S+-$vmid-\S+/;
+
+ $info = { volid => "$sid:backup/$fn", format => $format };
+
+ my $archive_info = eval { PVE::Storage::archive_info($fn) } // {};
+
+ $info->{ctime} = $archive_info->{ctime} if defined($archive_info->{ctime});
+
+ if (defined($vmid) || $fn =~ m!\-([1-9][0-9]{2,8})\-[^/]+\.${format}$!) {
+ $info->{vmid} = $vmid // $1;
+ }
+
+ my $notes_fn = $original.NOTES_EXT;
+ if (-f $notes_fn) {
+ my $notes = PVE::Tools::file_read_firstline($notes_fn);
+ $info->{notes} = $notes if defined($notes);
+ }
+
+ $info->{protected} = 1 if -e PVE::Storage::protection_file_path($original);
+ } elsif ($tt eq 'snippets') {
+
+ $info = {
+ volid => "$sid:snippets/". basename($fn),
+ format => 'snippet',
+ };
+ }
+
+ $info->{size} = $st->size;
+ $info->{ctime} //= $st->ctime;
+
+ push @$res, $info;
+ }
+
+ return $res;
+};
+
+# If attributes are set on a volume, they should be included in the result.
+# See get_volume_attribute for a list of possible attributes.
+sub list_volumes {
+ my ($class, $storeid, $scfg, $vmid, $content_types) = @_;
+
+ my $res = [];
+ my $vmlist = PVE::Cluster::get_vmlist();
+ foreach my $type (@$content_types) {
+ my $data;
+
+ if ($type eq 'images' || $type eq 'rootdir') {
+ $data = $class->list_images($storeid, $scfg, $vmid);
+ } elsif ($scfg->{path}) {
+ my $path = $class->get_subdir($scfg, $type);
+
+ if ($type eq 'iso' && !defined($vmid)) {
+ $data = $get_subdir_files->($storeid, $path, 'iso');
+ } elsif ($type eq 'vztmpl'&& !defined($vmid)) {
+ $data = $get_subdir_files->($storeid, $path, 'vztmpl');
+ } elsif ($type eq 'backup') {
+ $data = $get_subdir_files->($storeid, $path, 'backup', $vmid);
+ } elsif ($type eq 'snippets') {
+ $data = $get_subdir_files->($storeid, $path, 'snippets');
+ }
+ }
+
+ next if !$data;
+
+ foreach my $item (@$data) {
+ if ($type eq 'images' || $type eq 'rootdir') {
+ my $vminfo = $vmlist->{ids}->{$item->{vmid}};
+ my $vmtype;
+ if (defined($vminfo)) {
+ $vmtype = $vminfo->{type};
+ }
+ if (defined($vmtype) && $vmtype eq 'lxc') {
+ $item->{content} = 'rootdir';
+ } else {
+ $item->{content} = 'images';
+ }
+ next if $type ne $item->{content};
+ } else {
+ $item->{content} = $type;
+ }
+
+ push @$res, $item;
+ }
}
return $res;
my $path = $scfg->{path};
- die "storage definintion has no path\n" if !$path;
+ die "storage definition has no path\n" if !$path;
my $timeout = 2;
my $res = PVE::Tools::df($path, $timeout);
return ($res->{total}, $res->{avail}, $res->{used}, 1);
}
-sub volume_snapshot_list {
+# Returns a hash with the snapshot names as keys and the following data:
+# id - Unique id to distinguish different snapshots even if the have the same name.
+# timestamp - Creation time of the snapshot (seconds since epoch).
+# Returns an empty hash if the volume does not exist.
+sub volume_snapshot_info {
my ($class, $scfg, $storeid, $volname) = @_;
- # implement in subclass
- die "Volume_snapshot_list is not implemented for $class";
-
- # return an empty array if dataset does not exist.
+ die "volume_snapshot_info is not implemented for $class";
}
sub activate_storage {
my $path = $scfg->{path};
- die "storage definintion has no path\n" if !$path;
+ die "storage definition has no path\n" if !$path;
# this path test may hang indefinitely on unresponsive mounts
my $timeout = 2;
# do nothing by default
}
+sub map_volume {
+ my ($class, $storeid, $scfg, $volname, $snapname) = @_;
+
+ my ($path) = $class->path($scfg, $volname, $storeid, $snapname);
+ return $path;
+}
+
+sub unmap_volume {
+ my ($class, $storeid, $scfg, $volname, $snapname) = @_;
+
+ return 1;
+}
+
sub activate_volume {
my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_;
return 1;
}
+sub prune_backups {
+ my ($class, $scfg, $storeid, $keep, $vmid, $type, $dryrun, $logfunc) = @_;
+
+ $logfunc //= sub { print "$_[1]\n" };
+
+ my $backups = $class->list_volumes($storeid, $scfg, $vmid, ['backup']);
+
+ my $backup_groups = {};
+ my $prune_list = [];
+
+ foreach my $backup (@{$backups}) {
+ my $volid = $backup->{volid};
+ my $archive_info = eval { PVE::Storage::archive_info($volid) } // {};
+ my $backup_type = $archive_info->{type} // 'unknown';
+ my $backup_vmid = $archive_info->{vmid} // $backup->{vmid};
+
+ next if defined($type) && $type ne $backup_type;
+
+ my $prune_entry = {
+ ctime => $backup->{ctime},
+ type => $backup_type,
+ volid => $volid,
+ };
+
+ $prune_entry->{vmid} = $backup_vmid if defined($backup_vmid);
+
+ if ($archive_info->{is_std_name}) {
+ die "internal error - got no VMID\n" if !defined($backup_vmid);
+ die "internal error - got wrong VMID '$backup_vmid' != '$vmid'\n"
+ if defined($vmid) && $backup_vmid ne $vmid;
+
+ $prune_entry->{ctime} = $archive_info->{ctime};
+ my $group = "$backup_type/$backup_vmid";
+ push @{$backup_groups->{$group}}, $prune_entry;
+ } else {
+ # ignore backups that don't use the standard naming scheme
+ $prune_entry->{mark} = 'renamed';
+ }
+
+ $prune_entry->{mark} = 'protected' if $backup->{protected};
+
+ push @{$prune_list}, $prune_entry;
+ }
+
+ foreach my $backup_group (values %{$backup_groups}) {
+ PVE::Storage::prune_mark_backup_group($backup_group, $keep);
+ }
+
+ my $failed;
+ if (!$dryrun) {
+ foreach my $prune_entry (@{$prune_list}) {
+ next if $prune_entry->{mark} ne 'remove';
+
+ my $volid = $prune_entry->{volid};
+ $logfunc->('info', "removing backup '$volid'");
+ eval {
+ my (undef, $volname) = parse_volume_id($volid);
+ my $archive_path = $class->filesystem_path($scfg, $volname);
+ PVE::Storage::archive_remove($archive_path);
+ };
+ if (my $err = $@) {
+ $logfunc->('err', "error when removing backup '$volid' - $err\n");
+ $failed = 1;
+ }
+ }
+ }
+ die "error pruning backups - check log\n" if $failed;
+
+ return $prune_list;
+}
+
# Import/Export interface:
# Any path based storage is assumed to support 'raw' and 'tar' streams, so
# the default implementations will return this if $scfg->{path} is set,
my ($fh) = @_;
sysread($fh, my $size, 8);
$size = unpack('Q<', $size);
- die "got a bad size (not a multiple of 1K)\n" if ($size&1023);
+ die "import: no size found in export header, aborting.\n" if !defined($size);
# Size is in bytes!
return $size;
}
# Import data from a stream, creating a new or replacing or adding to an existing volume.
sub volume_import {
- my ($class, $scfg, $storeid, $fh, $volname, $format, $base_snapshot, $with_snapshots) = @_;
+ my ($class, $scfg, $storeid, $fh, $volname, $format, $snapshot, $base_snapshot, $with_snapshots, $allow_rename) = @_;
die "volume import format '$format' not available for $class\n"
if $format !~ /^(raw|tar|qcow2|vmdk)\+size$/;
# Check for an existing file first since interrupting alloc_image doesn't
# free it.
my $file = $class->path($scfg, $volname, $storeid);
- die "file '$file' already exists\n" if -e $file;
+ if (-e $file) {
+ die "file '$file' already exists\n" if !$allow_rename;
+ warn "file '$file' already exists - importing with a different name\n";
+ $name = undef;
+ }
my ($size) = read_common_header($fh);
$size = int($size/1024);
eval {
my $allocname = $class->alloc_image($storeid, $scfg, $vmid, $file_format, $name, $size);
- if ($allocname ne $volname) {
- my $oldname = $volname;
- $volname = $allocname; # Let the cleanup code know what to free
+ my $oldname = $volname;
+ $volname = $allocname;
+ if (defined($name) && $allocname ne $oldname) {
die "internal error: unexpected allocated name: '$allocname' != '$oldname'\n";
}
my $file = $class->path($scfg, $volname, $storeid)
warn $@ if $@;
die $err;
}
+
+ return "$storeid:$volname";
}
sub volume_import_formats {
- my ($class, $scfg, $storeid, $volname, $base_snapshot, $with_snapshots) = @_;
+ my ($class, $scfg, $storeid, $volname, $snapshot, $base_snapshot, $with_snapshots) = @_;
if ($scfg->{path} && !defined($base_snapshot)) {
my $format = ($class->parse_volname($volname))[6];
if ($with_snapshots) {
return ();
}
+sub rename_volume {
+ my ($class, $scfg, $storeid, $source_volname, $target_vmid, $target_volname) = @_;
+ die "not implemented in storage plugin '$class'\n" if $class->can('api') && $class->api() < 10;
+ die "no path found\n" if !$scfg->{path};
+
+ my (
+ undef,
+ $source_image,
+ $source_vmid,
+ $base_name,
+ $base_vmid,
+ undef,
+ $format
+ ) = $class->parse_volname($source_volname);
+
+ $target_volname = $class->find_free_diskname($storeid, $scfg, $target_vmid, $format, 1)
+ if !$target_volname;
+
+ my $basedir = $class->get_subdir($scfg, 'images');
+
+ mkpath "${basedir}/${target_vmid}";
+
+ my $old_path = "${basedir}/${source_vmid}/${source_image}";
+ my $new_path = "${basedir}/${target_vmid}/${target_volname}";
+
+ die "target volume '${target_volname}' already exists\n" if -e $new_path;
+
+ my $base = $base_name ? "${base_vmid}/${base_name}/" : '';
+
+ rename($old_path, $new_path) ||
+ die "rename '$old_path' to '$new_path' failed - $!\n";
+
+ return "${storeid}:${base}${target_vmid}/${target_volname}";
+}
+
1;
projects / pve-storage.git / blobdiff