use IO::Select;
use IO::File;
use IO::Socket::IP;
+use IPC::Open3;
use File::Basename;
use File::Path;
use Cwd 'abs_path';
use PVE::Tools qw(run_command file_read_firstline dir_glob_foreach $IPV6RE);
use PVE::Cluster qw(cfs_read_file cfs_write_file cfs_lock_file);
use PVE::DataCenterConfig;
-use PVE::Exception qw(raise_param_exc);
+use PVE::Exception qw(raise_param_exc raise);
use PVE::JSONSchema;
use PVE::INotify;
use PVE::RPCEnvironment;
use PVE::Storage::DRBDPlugin;
use PVE::Storage::PBSPlugin;
-# Storage API version. Icrement it on changes in storage API interface.
-use constant APIVER => 5;
+# Storage API version. Increment it on changes in storage API interface.
+use constant APIVER => 8;
# 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 => 4;
+use constant APIAGE => 7;
# load standard plugins
PVE::Storage::DirPlugin->register();
# initialize all plugins
PVE::Storage::Plugin->init();
-my $UDEVADM = '/sbin/udevadm';
-
our $iso_extension_re = qr/\.(?:iso|img)/i;
# PVE::Storage utility functions
}
}
+# FIXME remove maxfiles for PVE 7.0
+my $convert_maxfiles_to_prune_backups = sub {
+ my ($scfg) = @_;
+
+ return if !$scfg;
+
+ my $maxfiles = delete $scfg->{maxfiles};
+
+ if (!defined($scfg->{'prune-backups'}) && defined($maxfiles)) {
+ my $prune_backups;
+ if ($maxfiles) {
+ $prune_backups = { 'keep-last' => $maxfiles };
+ } else { # maxfiles 0 means no limit
+ $prune_backups = { 'keep-all' => 1 };
+ }
+ $scfg->{'prune-backups'} = PVE::JSONSchema::print_property_string(
+ $prune_backups,
+ 'prune-backups'
+ );
+ }
+};
+
sub storage_config {
my ($cfg, $storeid, $noerr) = @_;
die "storage '$storeid' does not exist\n" if (!$noerr && !$scfg);
+ $convert_maxfiles_to_prune_backups->($scfg);
+
return $scfg;
}
return PVE::Storage::Plugin::file_size_info($filename, $timeout);
}
+sub get_volume_notes {
+ my ($cfg, $volid, $timeout) = @_;
+
+ my ($storeid, $volname) = parse_volume_id($volid);
+ my $scfg = storage_config($cfg, $storeid);
+ my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
+
+ return $plugin->get_volume_notes($scfg, $storeid, $volname, $timeout);
+}
+
+sub update_volume_notes {
+ my ($cfg, $volid, $notes, $timeout) = @_;
+
+ my ($storeid, $volname) = parse_volume_id($volid);
+ my $scfg = storage_config($cfg, $storeid);
+ my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
+
+ $plugin->update_volume_notes($scfg, $storeid, $volname, $notes, $timeout);
+}
+
sub volume_size_info {
my ($cfg, $volid, $timeout) = @_;
}
}
+# check if a filesystem on top of a volume needs to flush its journal for
+# consistency (see fsfreeze(8)) before a snapshot is taken - needed for
+# container mountpoints
+sub volume_snapshot_needs_fsfreeze {
+ my ($cfg, $volid) = @_;
+
+ my ($storeid, $volname) = parse_volume_id($volid);
+ my $scfg = storage_config($cfg, $storeid);
+ my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
+ return $plugin->volume_snapshot_needs_fsfreeze();
+}
+
# check if a volume or snapshot supports a given feature
# $feature - one of:
# clone - linked clone is possible
return undef;
}
-my $volume_is_base_and_used__no_lock = sub {
- my ($scfg, $storeid, $plugin, $volname) = @_;
+# NOTE: this check does not work for LVM-thin, where the clone -> base
+# reference is not encoded in the volume ID.
+# see note in PVE::Storage::LvmThinPlugin for details.
+sub volume_is_base_and_used {
+ my ($cfg, $volid) = @_;
+
+ my ($storeid, $volname) = parse_volume_id($volid);
+ my $scfg = storage_config($cfg, $storeid);
+ my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
my ($vtype, $name, $vmid, undef, undef, $isBase, undef) =
$plugin->parse_volname($volname);
}
}
return 0;
-};
-
-# NOTE: this check does not work for LVM-thin, where the clone -> base
-# reference is not encoded in the volume ID.
-# see note in PVE::Storage::LvmThinPlugin for details.
-sub volume_is_base_and_used {
- my ($cfg, $volid) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid);
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
-
- $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub {
- return &$volume_is_base_and_used__no_lock($scfg, $storeid, $plugin, $volname);
- });
}
# try to map a filesystem path to a volume identifier
my $ssh_base = PVE::SSHInfo::ssh_info_to_command_base($target_sshinfo);
local $ENV{RSYNC_RSH} = PVE::Tools::cmd2string($ssh_base);
- my @cstream = ([ '/usr/bin/cstream', '-t', $ratelimit_bps ])
- if defined($ratelimit_bps);
+ my @cstream;
+ if (defined($ratelimit_bps)) {
+ @cstream = ([ '/usr/bin/cstream', '-t', $ratelimit_bps ]);
+ $logfunc->("using a bandwidth limit of $ratelimit_bps bps for transferring '$volid'") if $logfunc;
+ }
my $migration_snapshot;
if (!defined($snapshot)) {
};
volume_snapshot($cfg, $volid, $snapshot) if $migration_snapshot;
+
+ if (defined($snapshot)) {
+ activate_volumes($cfg, [$volid], $snapshot);
+ } else {
+ activate_volumes($cfg, [$volid]);
+ }
+
eval {
if ($insecure) {
- open(my $info, '-|', @$recv)
+ my $input = IO::File->new();
+ my $info = IO::File->new();
+ open3($input, $info, $info, @{$recv})
or die "receive command failed: $!\n";
- my ($ip) = <$info> =~ /^($PVE::Tools::IPRE)$/ or die "no tunnel IP received\n";
- my ($port) = <$info> =~ /^(\d+)$/ or die "no tunnel port received\n";
+ close($input);
+
+ my $try_ip = <$info> // '';
+ my ($ip) = $try_ip =~ /^($PVE::Tools::IPRE)$/ # untaint
+ or die "no tunnel IP received, got '$try_ip'\n";
+
+ my $try_port = <$info> // '';
+ my ($port) = $try_port =~ /^(\d+)$/ # untaint
+ or die "no tunnel port received, got '$try_port'\n";
+
my $socket = IO::Socket::IP->new(PeerHost => $ip, PeerPort => $port, Type => SOCK_STREAM)
or die "failed to connect to tunnel at $ip:$port\n";
# we won't be reading from the socket
shutdown($socket, 0);
- run_command([$send, @cstream], output => '>&'.fileno($socket), errfunc => $logfunc);
+
+ eval { run_command([$send, @cstream], output => '>&'.fileno($socket), errfunc => $logfunc); };
+ my $send_error = $@;
+
# don't close the connection entirely otherwise the receiving end
# might not get all buffered data (and fails with 'connection reset by peer')
shutdown($socket, 1);
die "import failed: $!\n" if $!;
die "import failed: exit code ".($?>>8)."\n";
}
+
+ die $send_error if $send_error;
} else {
run_command([$send, @cstream, $recv], logfunc => $match_volid_and_log);
}
$plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub {
# LVM-thin allows deletion of still referenced base volumes!
die "base volume '$volname' is still in use by linked clones\n"
- if &$volume_is_base_and_used__no_lock($scfg, $storeid, $plugin, $volname);
+ if volume_is_base_and_used($cfg, $volid);
my (undef, undef, undef, undef, undef, $isBase, $format) =
$plugin->parse_volname($volname);
storage_check_enabled($cfg, $storeid) if ($storeid);
- my $res = {};
+ my $res = { map { $_ => [] } keys %{$ids} };
# prepare/activate/refresh all storages
foreach my $sid (keys %$ids) {
next if $storeid && $storeid ne $sid;
next if !storage_check_enabled($cfg, $sid, undef, 1);
+ my $content = $ids->{$sid}->{content};
+ next if !($content->{rootdir} || $content->{images});
push @$storage_list, $sid;
}
}
activate_storage_list($cfg, $storage_list, $cache);
- foreach my $sid (keys %$ids) {
+ foreach my $sid (@{$storage_list}) {
next if $storeid && $storeid ne $sid;
- next if !storage_check_enabled($cfg, $sid, undef, 1);
my $scfg = $ids->{$sid};
my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
# only call udevsettle if there are events
if ($newseq > $cache->{uevent_seqnum}) {
- my $timeout = 30;
- system ("$UDEVADM settle --timeout=$timeout"); # ignore errors
+ system ("udevadm settle --timeout=30"); # ignore errors
$cache->{uevent_seqnum} = $newseq;
}
sub scan_cifs {
my ($server_in, $user, $password, $domain) = @_;
- my $server;
- if (!($server = resolv_server ($server_in))) {
- die "unable to resolve address for server '${server_in}'\n";
- }
+ my $server = resolv_server($server_in);
+ die "unable to resolve address for server '${server_in}'\n" if !$server;
- # we support only Windows grater than 2012 cifsscan so use smb3
+ # we only support Windows 2012 and newer, so just use smb3
my $cmd = ['/usr/bin/smbclient', '-m', 'smb3', '-d', '0', '-L', $server];
- if (defined($user)) {
- die "password is required" if !defined($password);
- push @$cmd, '-U', "$user\%$password";
- push @$cmd, '-W', $domain if defined($domain);
- } else {
- push @$cmd, '-N';
- }
+ push @$cmd, '-W', $domain if defined($domain);
+
+ push @$cmd, '-N' if !defined($password);
+ local $ENV{USER} = $user if defined($user);
+ local $ENV{PASSWD} = $password if defined($password);
my $res = {};
+ my $err = '';
run_command($cmd,
- outfunc => sub {
- my $line = shift;
- if ($line =~ m/(\S+)\s*Disk\s*(\S*)/) {
- $res->{$1} = $2;
- } elsif ($line =~ m/(NT_STATUS_(\S*))/) {
- $res->{$1} = '';
- }
- },
- errfunc => sub {},
- noerr => 1
+ noerr => 1,
+ errfunc => sub {
+ $err .= "$_[0]\n"
+ },
+ outfunc => sub {
+ my $line = shift;
+ if ($line =~ m/(\S+)\s*Disk\s*(\S*)/) {
+ $res->{$1} = $2;
+ } elsif ($line =~ m/(NT_STATUS_(\S+))/) {
+ my $status = $1;
+ $err .= "unexpected status: $1\n" if uc($1) ne 'SUCCESS';
+ }
+ },
);
+ # only die if we got no share, else it's just some followup check error
+ # (like workgroup querying)
+ raise($err) if $err && !%$res;
return $res;
}
die "ERROR: archive format not defined\n"
if !defined($decompressor->{$format});
- my $decomp = $decompressor->{$format}->{$comp} if $comp;
+ my $decomp;
+ $decomp = $decompressor->{$format}->{$comp} if $comp;
my $info = {
format => $format,
my $info;
my $volid = basename($archive);
- if ($volid =~ /^vzdump-(lxc|openvz|qemu)-\d+-.+\.(tgz$|tar|vma)(?:\.(${\PVE::Storage::Plugin::COMPRESSOR_RE}))?$/) {
- my ($type, $format, $comp) = ($1, $2, $3);
+ if ($volid =~ /^(vzdump-(lxc|openvz|qemu)-.+\.(tgz$|tar|vma)(?:\.(${\PVE::Storage::Plugin::COMPRESSOR_RE}))?)$/) {
+ my $filename = "$1"; # untaint
+ my ($type, $format, $comp) = ($2, $3, $4);
my $format_re = defined($comp) ? "$format.$comp" : "$format";
$info = decompressor_info($format, $comp);
+ $info->{filename} = $filename;
$info->{type} = $type;
- if ($volid =~ /^vzdump-${type}-([1-9][0-9]{2,8})-(\d{4})_(\d{2})_(\d{2})-(\d{2})_(\d{2})_(\d{2})\.${format_re}$/) {
- $info->{vmid} = int($1);
- $info->{ctime} = timelocal($7, $6, $5, $4, $3 - 1, $2 - 1900);
+ if ($volid =~ /^(vzdump-${type}-([1-9][0-9]{2,8})-(\d{4})_(\d{2})_(\d{2})-(\d{2})_(\d{2})_(\d{2}))\.${format_re}$/) {
+ $info->{logfilename} = "$1.log";
+ $info->{vmid} = int($2);
+ $info->{ctime} = timelocal($8, $7, $6, $5, $4 - 1, $3);
$info->{is_std_name} = 1;
} else {
$info->{is_std_name} = 0;
return $info;
}
+sub archive_remove {
+ my ($archive_path) = @_;
+
+ my $dirname = dirname($archive_path);
+ my $archive_info = eval { archive_info($archive_path) } // {};
+ my $logfn = $archive_info->{logfilename};
+
+ unlink $archive_path or die "removing archive $archive_path failed: $!\n";
+
+ if (defined($logfn)) {
+ my $logpath = "$dirname/$logfn";
+ if (-e $logpath) {
+ unlink $logpath or warn "removing log file $logpath failed: $!\n";
+ }
+ }
+}
+
sub extract_vzdump_config_tar {
my ($archive, $conf_re) = @_;
}
}
+sub prune_backups {
+ my ($cfg, $storeid, $keep, $vmid, $type, $dryrun, $logfunc) = @_;
+
+ my $scfg = storage_config($cfg, $storeid);
+ die "storage '$storeid' does not support backups\n" if !$scfg->{content}->{backup};
+
+ if (!defined($keep)) {
+ die "no prune-backups options configured for storage '$storeid'\n"
+ if !defined($scfg->{'prune-backups'});
+ $keep = PVE::JSONSchema::parse_property_string('prune-backups', $scfg->{'prune-backups'});
+ }
+
+ my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
+ return $plugin->prune_backups($scfg, $storeid, $keep, $vmid, $type, $dryrun, $logfunc);
+}
+
+my $prune_mark = sub {
+ my ($prune_entries, $keep_count, $id_func) = @_;
+
+ return if !$keep_count;
+
+ my $already_included = {};
+ my $newly_included = {};
+
+ foreach my $prune_entry (@{$prune_entries}) {
+ my $mark = $prune_entry->{mark};
+ my $id = $id_func->($prune_entry->{ctime});
+ $already_included->{$id} = 1 if defined($mark) && $mark eq 'keep';
+ }
+
+ foreach my $prune_entry (@{$prune_entries}) {
+ my $mark = $prune_entry->{mark};
+ my $id = $id_func->($prune_entry->{ctime});
+
+ next if defined($mark) || $already_included->{$id};
+
+ if (!$newly_included->{$id}) {
+ last if scalar(keys %{$newly_included}) >= $keep_count;
+ $newly_included->{$id} = 1;
+ $prune_entry->{mark} = 'keep';
+ } else {
+ $prune_entry->{mark} = 'remove';
+ }
+ }
+};
+
+sub prune_mark_backup_group {
+ my ($backup_group, $keep) = @_;
+
+ my $keep_all = delete $keep->{'keep-all'};
+
+ if ($keep_all || !scalar(grep {$_ > 0} values %{$keep})) {
+ $keep = { 'keep-all' => 1 } if $keep_all;
+ foreach my $prune_entry (@{$backup_group}) {
+ $prune_entry->{mark} = 'keep';
+ }
+ return;
+ }
+
+ my $prune_list = [ sort { $b->{ctime} <=> $a->{ctime} } @{$backup_group} ];
+
+ $prune_mark->($prune_list, $keep->{'keep-last'}, sub {
+ my ($ctime) = @_;
+ return $ctime;
+ });
+ $prune_mark->($prune_list, $keep->{'keep-hourly'}, sub {
+ my ($ctime) = @_;
+ my (undef, undef, $hour, $day, $month, $year) = localtime($ctime);
+ return "$hour/$day/$month/$year";
+ });
+ $prune_mark->($prune_list, $keep->{'keep-daily'}, sub {
+ my ($ctime) = @_;
+ my (undef, undef, undef, $day, $month, $year) = localtime($ctime);
+ return "$day/$month/$year";
+ });
+ $prune_mark->($prune_list, $keep->{'keep-weekly'}, sub {
+ my ($ctime) = @_;
+ my ($sec, $min, $hour, $day, $month, $year) = localtime($ctime);
+ my $iso_week = int(strftime("%V", $sec, $min, $hour, $day, $month, $year));
+ my $iso_week_year = int(strftime("%G", $sec, $min, $hour, $day, $month, $year));
+ return "$iso_week/$iso_week_year";
+ });
+ $prune_mark->($prune_list, $keep->{'keep-monthly'}, sub {
+ my ($ctime) = @_;
+ my (undef, undef, undef, undef, $month, $year) = localtime($ctime);
+ return "$month/$year";
+ });
+ $prune_mark->($prune_list, $keep->{'keep-yearly'}, sub {
+ my ($ctime) = @_;
+ my $year = (localtime($ctime))[5];
+ return "$year";
+ });
+
+ foreach my $prune_entry (@{$prune_list}) {
+ $prune_entry->{mark} //= 'remove';
+ }
+}
+
sub volume_export {
my ($cfg, $fh, $volid, $format, $snapshot, $base_snapshot, $with_snapshots) = @_;