use File::Path;
use File::Basename;
use File::stat qw();
-use Time::Local qw(timelocal);
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 COMMENT_EXT => ".comment";
+
our @COMMON_TAR_FLAGS = qw(
--one-file-system
-p --sparse --numeric-owner --acls
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-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);
+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 => {
minimum => 0,
optional => 1,
},
+ 'prune-backups' => get_standard_option('prune-backups'),
shared => {
description => "Mark storage as shared.",
type => 'boolean',
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);
snippets => 'snippets',
};
+sub get_vtype_subdirs {
+ return $vtype_subdirs;
+}
+
sub get_subdir {
my ($class, $scfg, $vtype) = @_;
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, $st->ctime) : 1;
}
return undef;
}
+sub volume_snapshot_needs_fsfreeze {
+
+ return 0;
+}
sub storage_can_replicate {
my ($class, $scfg, $storeid, $format) = @_;
my $res = [];
foreach my $fn (<$path/*>) {
-
my $st = File::stat::stat($fn);
- next if S_ISDIR($st->mode);
+ next if (!$st || S_ISDIR($st->mode));
my $info;
} elsif ($tt eq 'backup') {
next if defined($vmid) && $fn !~ m/\S+-$vmid-\S+/;
- next if $fn !~ m!/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo))$!;
-
+ next if $fn !~ m!/([^/]+\.(tgz|(?:(?:tar|vma)(?:\.(${\COMPRESSOR_RE}))?)))$!;
+ my $original = $fn;
my $format = $2;
- $info = { volid => "$sid:backup/$1", format => $format };
+ $fn = $1;
+ $info = { volid => "$sid:backup/$fn", format => $format };
- if ($fn =~ m!^vzdump\-(?:lxc|qemu)\-(?:[1-9][0-9]{2,8})\-(\d{4})_(\d{2})_(\d{2})\-(\d{2})_(\d{2})_(\d{2})\.${format}$!) {
- my $epoch = timelocal($6, $5, $4, $3, $2-1, $1 - 1900);
- $info->{ctime} = $epoch;
- }
+ 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 $comment_fn = $original.COMMENT_EXT;
+ if (-f $comment_fn) {
+ my $comment = PVE::Tools::file_read_firstline($comment_fn);
+ $info->{comment} = $comment if defined($comment);
+ }
} elsif ($tt eq 'snippets') {
return 1;
}
+sub prune_backups {
+ my ($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 $backup_vmid = $backup->{vmid};
+ my $archive_info = eval { PVE::Storage::archive_info($volid) } // {};
+ my $backup_type = $archive_info->{type} // 'unknown';
+
+ next if defined($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}) {
+ $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,