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 constant COMPRESSOR_RE => 'gz|lzo|zst';
+use constant NOTES_EXT => ".notes";
+
our @COMMON_TAR_FLAGS = qw(
--one-file-system
-p --sparse --numeric-owner --acls
'iscsidirect',
'glusterfs',
'zfs',
- 'drbd');
+ 'drbd',
+ 'pbs',
+);
our $MAX_VOLUMES_PER_GUEST = 1024;
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 $keep_all = delete $prune_backups->{'keep-all'};
+
+ if (!scalar(grep {$_ > 0} values %{$prune_backups})) {
+ $prune_backups = { 'keep-all' => 1 };
+ } elsif ($keep_all) {
+ die "keep-all cannot be set together with other options.\n";
+ }
+
+ return $prune_backups;
+}
+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',
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 = $def->{format}->[0];
type => 'dir',
priority => 0, # force first entry
path => '/var/lib/vz',
- maxfiles => 0,
- content => { images => 1, rootdir => 1, vztmpl => 1, iso => 1, snippets => 1},
+ 'prune-backups' => 'keep-all=1',
+ content => {
+ backup => 1,
+ images => 1,
+ iso => 1,
+ rootdir => 1,
+ snippets => 1,
+ vztmpl => 1,
+ },
};
}
# Storage implementation
# called during addition of storage (before the new storage config got written)
-# die to abort additon if there are (grave) problems
+# die to abort addition if there are (grave) problems
# NOTE: runs in a storage config *locked* context
sub on_add_hook {
my ($class, $storeid, $scfg, %param) = @_;
# do nothing by default
+ return undef;
}
# called during storage configuration update (before the updated storage config got written)
my ($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 {
return ('images', $name, $vmid, undef, undef, $isBase, $format);
} elsif ($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);
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};
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 = $class->find_free_diskname($imagedir, $scfg, $vmid, "qcow2", 1);
+ 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 = $class->find_free_diskname($imagedir, $scfg, $vmid, $fmt, 1) if !$name;
+ $name = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt, 1) if !$name;
my (undef, $tmpfmt) = parse_name_dir($name);
my $st = File::stat::stat($filename);
+ if (!defined($st)) {
+ my $extramsg = -l $filename ? ' - dangling symlink?' : '';
+ warn "failed to stat '$filename'$extramsg\n";
+ return undef;
+ }
+
if (S_ISDIR($st->mode)) {
return wantarray ? (0, 'subvol', 0, undef, $st->ctime) : 1;
}
warn $@ if $@;
my $info = eval { decode_json($json) };
- warn "could not parse qemu-img info command output for '$filename'\n" if $@;
+ 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) : $size;
}
+sub get_volume_notes {
+ my ($class, $scfg, $storeid, $volname, $timeout) = @_;
+
+ die "volume notes are not supported for $class";
+}
+
+sub update_volume_notes {
+ my ($class, $scfg, $storeid, $volname, $notes, $timeout) = @_;
+
+ die "volume notes are not supported for $class";
+}
+
sub volume_size_info {
my ($class, $scfg, $storeid, $volname, $timeout) = @_;
my $path = $class->filesystem_path($scfg, $volname);
return undef;
}
+sub volume_snapshot_needs_fsfreeze {
+
+ return 0;
+}
sub storage_can_replicate {
my ($class, $scfg, $storeid, $format) = @_;
my $res = [];
foreach my $fn (<$path/*>) {
-
my $st = File::stat::stat($fn);
next if (!$st || S_ISDIR($st->mode));
$info = { volid => "$sid:iso/$1", format => 'iso' };
} elsif ($tt eq 'vztmpl') {
- next if $fn !~ m!/([^/]+\.tar\.([gx]z))$!;
+ next if $fn !~ m!/([^/]+$PVE::Storage::vztmpl_extension_re)$!;
$info = { volid => "$sid:vztmpl/$1", format => "t$2" };
} elsif ($tt eq 'backup') {
- next if defined($vmid) && $fn !~ m/\S+-$vmid-\S+/;
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) };
+ my $archive_info = eval { PVE::Storage::archive_info($fn) } // {};
- $info->{ctime} = $archive_info->{ctime}
- if defined($archive_info) && defined($archive_info->{ctime});
+ $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);
+ }
+
} elsif ($tt eq 'snippets') {
$info = {
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);
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 $timeout = 2;
return 1;
}
+sub prune_backups {
+ my ($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
+ $prune_entry->{mark} = 'protected';
+ }
+
+ push @{$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 $scfg->{path} is set,
# Import data from a stream, creating a new or replacing or adding to an existing volume.
sub volume_import {
- my ($class, $scfg, $storeid, $fh, $volname, $format, $base_snapshot, $with_snapshots, $allow_rename) = @_;
+ my ($class, $scfg, $storeid, $fh, $volname, $format, $snapshot, $base_snapshot, $with_snapshots, $allow_rename) = @_;
die "volume import format '$format' not available for $class\n"
if $format !~ /^(raw|tar|qcow2|vmdk)\+size$/;
}
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) {