use strict;
use warnings;
+use Data::Dumper;
use POSIX;
use IO::Select;
use IO::File;
+use IO::Socket::IP;
use File::Basename;
use File::Path;
use Cwd 'abs_path';
use Socket;
-use PVE::Tools qw(run_command file_read_firstline);
-use PVE::Cluster qw(cfs_read_file cfs_lock_file);
+use PVE::Tools qw(run_command file_read_firstline dir_glob_foreach $IPV6RE);
+use PVE::Cluster qw(cfs_read_file cfs_write_file cfs_lock_file);
use PVE::Exception qw(raise_param_exc);
use PVE::JSONSchema;
use PVE::INotify;
use PVE::Storage::Plugin;
use PVE::Storage::DirPlugin;
use PVE::Storage::LVMPlugin;
+use PVE::Storage::LvmThinPlugin;
use PVE::Storage::NFSPlugin;
use PVE::Storage::ISCSIPlugin;
use PVE::Storage::RBDPlugin;
use PVE::Storage::ZFSPlugin;
use PVE::Storage::DRBDPlugin;
-# load and initialize all plugins
+# Storage API version. Icrement it on changes in storage API interface.
+use constant APIVER => 1;
+
+# load standard plugins
PVE::Storage::DirPlugin->register();
PVE::Storage::LVMPlugin->register();
+PVE::Storage::LvmThinPlugin->register();
PVE::Storage::NFSPlugin->register();
PVE::Storage::ISCSIPlugin->register();
PVE::Storage::RBDPlugin->register();
PVE::Storage::ZFSPoolPlugin->register();
PVE::Storage::ZFSPlugin->register();
PVE::Storage::DRBDPlugin->register();
+
+# load third-party plugins
+if ( -d '/usr/share/perl5/PVE/Storage/Custom' ) {
+ dir_glob_foreach('/usr/share/perl5/PVE/Storage/Custom', '.*\.pm$', sub {
+ my ($file) = @_;
+ my $modname = 'PVE::Storage::Custom::' . $file;
+ $modname =~ s!\.pm$!!;
+ $file = 'PVE/Storage/Custom/' . $file;
+
+ eval {
+ require $file;
+ };
+ if ($@) {
+ warn $@;
+ # Check storage API version and that file is really storage plugin.
+ } elsif ($modname->isa('PVE::Storage::Plugin') && $modname->can('api') && $modname->api() == APIVER) {
+ eval {
+ import $file;
+ $modname->register();
+ };
+ warn $@ if $@;
+ } else {
+ warn "Error loading storage plugin \"$modname\" because of API version mismatch. Please, update it.\n"
+ }
+ });
+}
+
+# initialize all plugins
PVE::Storage::Plugin->init();
my $UDEVADM = '/sbin/udevadm';
return cfs_read_file("storage.cfg");
}
+sub write_config {
+ my ($cfg) = @_;
+
+ cfs_write_file('storage.cfg', $cfg);
+}
+
sub lock_storage_config {
my ($code, $errmsg) = @_;
sub storage_config {
my ($cfg, $storeid, $noerr) = @_;
- die "no storage id specified\n" if !$storeid;
+ die "no storage ID specified\n" if !$storeid;
my $scfg = $cfg->{ids}->{$storeid};
}
}
+sub volume_snapshot_list {
+ my ($cfg, $volid) = @_;
+
+ my ($storeid, $volname) = parse_volume_id($volid, 1);
+ if ($storeid) {
+ my $scfg = storage_config($cfg, $storeid);
+ my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
+ return $plugin->volume_snapshot_list($scfg, $storeid, $volname);
+ } elsif ($volid =~ m|^(/.+)$| && -e $volid) {
+ die "send file/device '$volid' is not possible\n";
+ } else {
+ die "unable to parse volume ID '$volid'\n";
+ }
+ # return an empty array if dataset does not exist.
+}
+
sub get_image_dir {
my ($cfg, $storeid, $vmid) = @_;
return int($vmid);
}
+# NOTE: basename and basevmid are always undef for LVM-thin, where the
+# clone -> base reference is not encoded in the volume ID.
+# see note in PVE::Storage::LvmThinPlugin for details.
sub parse_volname {
my ($cfg, $volid) = @_;
my $scfg = storage_config($cfg, $storeid);
my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
+
+ # returns ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format)
+
return $plugin->parse_volname($volname);
}
return PVE::Storage::Plugin::parse_volume_id($volid, $noerr);
}
-sub volume_is_base {
- my ($cfg, $volid) = @_;
+# test if we have read access to volid
+sub check_volume_access {
+ my ($rpcenv, $user, $cfg, $vmid, $volid) = @_;
my ($sid, $volname) = parse_volume_id($volid, 1);
- return 0 if !$sid;
-
- if (my $scfg = $cfg->{ids}->{$sid}) {
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) =
- $plugin->parse_volname($volname);
- return $isBase ? 1 : 0;
- } else {
- # stale volid with undefined storage - so we can just guess
- if ($volid =~ m/base-/) {
- return 1;
+ if ($sid) {
+ my ($vtype, undef, $ownervm) = parse_volname($cfg, $volid);
+ if ($vtype eq 'iso' || $vtype eq 'vztmpl') {
+ # we simply allow access
+ } elsif (defined($ownervm) && defined($vmid) && ($ownervm == $vmid)) {
+ # we are owner - allow access
+ } elsif ($vtype eq 'backup' && $ownervm) {
+ $rpcenv->check($user, "/storage/$sid", ['Datastore.AllocateSpace']);
+ $rpcenv->check($user, "/vms/$ownervm", ['VM.Backup']);
+ } else {
+ # allow if we are Datastore administrator
+ $rpcenv->check($user, "/storage/$sid", ['Datastore.Allocate']);
}
+ } else {
+ die "Only root can pass arbitrary filesystem paths."
+ if $user ne 'root@pam';
}
+ return undef;
+}
+
+my $volume_is_base_and_used__no_lock = sub {
+ my ($scfg, $storeid, $plugin, $volname) = @_;
+
+ my ($vtype, $name, $vmid, undef, undef, $isBase, undef) =
+ $plugin->parse_volname($volname);
+
+ if ($isBase) {
+ my $vollist = $plugin->list_images($storeid, $scfg);
+ foreach my $info (@$vollist) {
+ my (undef, $tmpvolname) = parse_volume_id($info->{volid});
+ my $basename = undef;
+ my $basevmid = undef;
+
+ eval{
+ (undef, undef, undef, $basename, $basevmid) =
+ $plugin->parse_volname($tmpvolname);
+ };
+
+ if ($basename && defined($basevmid) && $basevmid == $vmid && $basename eq $name) {
+ return 1;
+ }
+ }
+ }
return 0;
+};
+
+# NOTE: this check does not work for LVM-thin, where the clone -> base
+# reference is not encoded in the volume ID.
+# see note in PVE::Storage::LvmThinPlugin for details.
+sub volume_is_base_and_used {
+ my ($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, $volname);
+ });
}
# try to map a filesystem path to a volume identifier
}
sub storage_migrate {
- my ($cfg, $volid, $target_host, $target_storeid, $target_volname) = @_;
+ my ($cfg, $volid, $target_sshinfo, $target_storeid, $target_volname, $base_snapshot, $snapshot, $ratelimit_bps, $insecure) = @_;
my ($storeid, $volname) = parse_volume_id($volid);
$target_volname = $volname if !$target_volname;
my $target_volid = "${target_storeid}:${target_volname}";
- my $errstr = "unable to migrate '$volid' to '${target_volid}' on host '$target_host'";
+ my $target_ip = $target_sshinfo->{ip};
+ my $errstr = "unable to migrate '$volid' to '${target_volid}' on host '$target_sshinfo->{name}'";
- my $sshoptions = "-o 'BatchMode=yes'";
- my $ssh = "/usr/bin/ssh $sshoptions";
+ my $ssh = PVE::Cluster::ssh_info_to_command($target_sshinfo);
+ my $ssh_base = PVE::Cluster::ssh_info_to_command_base($target_sshinfo);
+ local $ENV{RSYNC_RSH} = PVE::Tools::cmd2string($ssh_base);
+
+ my $no_incremental = sub {
+ my ($type) = @_;
+ die "incremental migration not supported on storage type $type\n"
+ if defined($base_snapshot);
+ };
+ my $no_snapshot = sub {
+ my ($type) = @_;
+ # $snapshot is currently only used by replication
+ die "replicating storage migration not supported on storage type $type\n"
+ if defined($snapshot);
+ };
- local $ENV{RSYNC_RSH} = $ssh;
+ my @cstream = ([ '/usr/bin/cstream', '-t', $ratelimit_bps ])
+ if defined($ratelimit_bps);
# only implemented for file system based storage
if ($scfg->{path}) {
- if ($tcfg->{path}) {
+ $no_incremental->($scfg->{type});
+ $no_snapshot->($scfg->{type});
+ if ($tcfg->{path}) {
my $src_plugin = PVE::Storage::Plugin->lookup($scfg->{type});
my $dst_plugin = PVE::Storage::Plugin->lookup($tcfg->{type});
my $src = $src_plugin->path($scfg, $volname, $storeid);
run_command(['/bin/cp', $src, $dst]);
} else {
-
- run_command(['/usr/bin/ssh', "root\@${target_host}",
- '/bin/mkdir', '-p', $dirname]);
+ run_command([@$ssh, '/bin/mkdir', '-p', $dirname]);
# we use rsync with --sparse, so we can't use --inplace,
# so we remove file on the target if it already exists to
# save space
my ($size, $format) = PVE::Storage::Plugin::file_size_info($src);
if ($format && ($format eq 'raw') && $size) {
- run_command(['/usr/bin/ssh', "root\@${target_host}",
- 'rm', '-f', $dst],
+ run_command([@$ssh, 'rm', '-f', $dst],
outfunc => sub {});
}
- my $cmd = ['/usr/bin/rsync', '--progress', '--sparse', '--whole-file',
- $src, "root\@${target_host}:$dst"];
+ my $cmd;
+ my @bwlimit = ("--bwlimit=${ratelimit_bps}b") if defined($ratelimit_bps);
+ if ($format eq 'subvol') {
+ $cmd = ['/usr/bin/rsync', '--progress', '-X', '-A', '--numeric-ids',
+ '-aH', '--delete', '--no-whole-file', '--inplace',
+ '--one-file-system', @bwlimit,
+ "$src/", "[root\@${target_ip}]:$dst"];
+ } else {
+ $cmd = ['/usr/bin/rsync', '--progress', '--sparse', '--whole-file',
+ @bwlimit,
+ $src, "[root\@${target_ip}]:$dst"];
+ }
my $percent = -1;
if ($tcfg->{type} eq 'zfspool') {
- die "$errstr - pool on target has not same name as source!"
+ die "$errstr - pool on target does not have the same name as on source!"
if $tcfg->{pool} ne $scfg->{pool};
- my (undef, $volname) = parse_volname($cfg, $volid);
+ my $migration_snapshot;
+ if (!defined($snapshot)) {
+ $migration_snapshot = 1;
+ $snapshot = '__migration__';
+ }
+ my (undef, $volname) = parse_volname($cfg, $volid);
my $zfspath = "$scfg->{pool}\/$volname";
- my $snap = "zfs snapshot $zfspath\@__migration__";
+ my @formats = volume_transfer_formats($cfg, $volid, $volid, $snapshot, $base_snapshot, 1);
+ die "cannot migrate from storage type '$scfg->{type}' to '$tcfg->{type}'\n" if !@formats;
+ my $format = $formats[0];
- my $send = "zfs send -v $zfspath\@__migration__ \| ssh root\@$target_host zfs recv $zfspath";
+ my @insecurecmd;
+ if ($insecure) {
+ @insecurecmd = ('pvecm', 'mtunnel', '-run-command', 1);
+ if (my $network = $target_sshinfo->{network}) {
+ push @insecurecmd, '-migration_network', $network;
+ }
+ }
- my $destroy_target = "ssh root\@$target_host zfs destroy $zfspath\@__migration__";
- run_command($snap);
- eval{
- run_command($send);
- };
- my $err;
- if ($err = $@){
- run_command("zfs destroy $zfspath\@__migration__");
- die $err;
+ my $send = ['pvesm', 'export', $volid, $format, '-', '-snapshot', $snapshot, '-with-snapshots', '1'];
+ my $recv = [@$ssh, @insecurecmd, '--', 'pvesm', 'import', $volid, $format, '-', '-with-snapshots', '1'];
+ if ($migration_snapshot) {
+ push @$recv, '-delete-snapshot', $snapshot;
+ }
+
+ if (defined($base_snapshot)) {
+ # Check if the snapshot exists on the remote side:
+ push @$send, '-base', $base_snapshot;
+ push @$recv, '-base', $base_snapshot;
}
- run_command($destroy_target);
+ volume_snapshot($cfg, $volid, $snapshot) if $migration_snapshot;
+ eval {
+ if ($insecure) {
+ my $pid = open(my $info, '-|', @$recv)
+ or die "receive command failed: $!\n";
+ my $ip = <$info> // die "no tunnel IP received\n";
+ my $port = <$info> // die "no tunnel port received\n";
+ chomp($ip, $port);
+ my $socket = IO::Socket::IP->new(PeerHost => $ip, PeerPort => $port, Type => SOCK_STREAM)
+ or die "failed to connect to tunnel at $ip:$port\n";
+ run_command([$send, @cstream], output => '>&'.fileno($socket));
+ } else {
+ run_command([$send, @cstream, $recv]);
+ }
+ };
+ my $err = $@;
+ warn "send/receive failed, cleaning up snapshot(s)..\n" if $err;
+ if ($migration_snapshot) {
+ eval { volume_snapshot_delete($cfg, $volid, $snapshot, 0) };
+ warn "could not remove source snapshot: $@\n" if $@;
+ }
+ die $err if $err;
} else {
die "$errstr - target type $tcfg->{type} is not valid\n";
}
+
+ } elsif ($scfg->{type} eq 'lvmthin' || $scfg->{type} eq 'lvm') {
+ $no_incremental->($scfg->{type});
+ $no_snapshot->($scfg->{type});
+
+ if (($scfg->{type} eq $tcfg->{type}) &&
+ ($tcfg->{type} eq 'lvmthin' || $tcfg->{type} eq 'lvm')) {
+
+ my (undef, $volname, $vmid) = parse_volname($cfg, $volid);
+ my $size = volume_size_info($cfg, $volid, 5);
+ my $src = path($cfg, $volid);
+ my $dst = path($cfg, $target_volid);
+
+ run_command([@$ssh, '--',
+ 'pvesm', 'alloc', $target_storeid, $vmid,
+ $target_volname, int($size/1024)]);
+
+ eval {
+ if ($tcfg->{type} eq 'lvmthin') {
+ run_command([["dd", "if=$src", "bs=4k"], @cstream,
+ [@$ssh, "dd", 'conv=sparse', "of=$dst", "bs=4k"]]);
+ } else {
+ run_command([["dd", "if=$src", "bs=4k"], @cstream,
+ [@$ssh, "dd", "of=$dst", "bs=4k"]]);
+ }
+ };
+ if (my $err = $@) {
+ run_command([@$ssh, 'pvesm', 'free', $target_volid]);
+ die $err;
+ }
+ } else {
+ die "$errstr - migrate from source type '$scfg->{type}' to '$tcfg->{type}' not implemented\n";
+ }
} else {
die "$errstr - source type '$scfg->{type}' not implemented\n";
}
sub vdisk_alloc {
my ($cfg, $storeid, $vmid, $fmt, $name, $size) = @_;
- die "no storage id specified\n" if !$storeid;
+ die "no storage ID specified\n" if !$storeid;
PVE::JSONSchema::parse_storage_id($storeid);
my ($cfg, $volid) = @_;
my ($storeid, $volname) = parse_volume_id($volid);
-
my $scfg = storage_config($cfg, $storeid);
-
my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
activate_storage($cfg, $storeid);
# lock shared storage
$plugin->cluster_lock_storage($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, $volname);
- my ($vtype, $name, $vmid, undef, undef, $isBase) =
+ my (undef, undef, undef, undef, undef, $isBase, $format) =
$plugin->parse_volname($volname);
- if ($isBase) {
- my $vollist = $plugin->list_images($storeid, $scfg);
- foreach my $info (@$vollist) {
- my (undef, $tmpvolname) = parse_volume_id($info->{volid});
- my $basename = undef;
- my $basevmid = undef;
-
- eval{
- (undef, undef, undef, $basename, $basevmid) =
- $plugin->parse_volname($tmpvolname);
- };
-
- if ($basename && defined($basevmid) && $basevmid == $vmid && $basename eq $name) {
- die "base volume '$volname' is still in use " .
- "(use by '$tmpvolname')\n";
- }
- }
- }
- $cleanup_worker = $plugin->free_image($storeid, $scfg, $volname, $isBase);
+ $cleanup_worker = $plugin->free_image($storeid, $scfg, $volname, $isBase, $format);
});
return if !$cleanup_worker;
return $res;
}
+sub volume_list {
+ my ($cfg, $storeid, $vmid, $content) = @_;
+
+ my @ctypes = qw(images vztmpl iso backup);
+
+ my $cts = $content ? [ $content ] : [ @ctypes ];
+
+ my $scfg = PVE::Storage::storage_config($cfg, $storeid);
+
+ my $res = [];
+ foreach my $ct (@$cts) {
+ my $data;
+ if ($ct eq 'images') {
+ $data = vdisk_list($cfg, $storeid, $vmid);
+ } elsif ($ct eq 'iso' && !defined($vmid)) {
+ $data = template_list($cfg, $storeid, 'iso');
+ } elsif ($ct eq 'vztmpl'&& !defined($vmid)) {
+ $data = template_list ($cfg, $storeid, 'vztmpl');
+ } elsif ($ct eq 'backup') {
+ $data = template_list ($cfg, $storeid, 'backup');
+ foreach my $item (@{$data->{$storeid}}) {
+ if (defined($vmid)) {
+ @{$data->{$storeid}} = grep { $_->{volid} =~ m/\S+-$vmid-\S+/ } @{$data->{$storeid}};
+ }
+ }
+ }
+
+ next if !$data || !$data->{$storeid};
+
+ foreach my $item (@{$data->{$storeid}}) {
+ $item->{content} = $ct;
+ push @$res, $item;
+ }
+ }
+
+ return $res;
+}
+
sub uevent_seqnum {
my $filename = "/sys/kernel/uevent_seqnum";
}
sub activate_volumes {
- my ($cfg, $vollist, $exclusive) = @_;
+ my ($cfg, $vollist, $snapname) = @_;
return if !($vollist && scalar(@$vollist));
my ($storeid, $volname) = parse_volume_id($volid);
my $scfg = storage_config($cfg, $storeid);
my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- $plugin->activate_volume($storeid, $scfg, $volname, $exclusive, $cache);
+ $plugin->activate_volume($storeid, $scfg, $volname, $snapname, $cache);
}
}
sub deactivate_volumes {
- my ($cfg, $vollist) = @_;
+ my ($cfg, $vollist, $snapname) = @_;
return if !($vollist && scalar(@$vollist));
my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
eval {
- $plugin->deactivate_volume($storeid, $scfg, $volname, $cache);
+ $plugin->deactivate_volume($storeid, $scfg, $volname, $snapname, $cache);
};
if (my $err = $@) {
warn $err;
}
}
- die "volume deativation failed: " . join(' ', @errlist)
+ die "volume deactivation failed: " . join(' ', @errlist)
if scalar(@errlist);
}
my $info = {};
+ my @ctypes = PVE::Tools::split_list($content);
+
my $slist = [];
foreach my $storeid (keys %$ids) {
- next if $content && !$ids->{$storeid}->{content}->{$content};
-
next if !storage_check_enabled($cfg, $storeid, undef, 1);
+ if (defined($content)) {
+ my $want_ctype = 0;
+ foreach my $ctype (@ctypes) {
+ if ($ids->{$storeid}->{content}->{$ctype}) {
+ $want_ctype = 1;
+ last;
+ }
+ }
+ next if !$want_ctype;
+ }
+
my $type = $ids->{$storeid}->{type};
$info->{$storeid} = {
eval { ($total, $avail, $used, $active) = $plugin->status($storeid, $scfg, $cache); };
warn $@ if $@;
next if !$active;
- $info->{$storeid}->{total} = $total;
- $info->{$storeid}->{avail} = $avail;
- $info->{$storeid}->{used} = $used;
+ $info->{$storeid}->{total} = int($total);
+ $info->{$storeid}->{avail} = int($avail);
+ $info->{$storeid}->{used} = int($used);
$info->{$storeid}->{active} = $active;
}
sub scan_zfs {
- my $cmd = ['zpool', 'list', '-H', '-o', 'name,size,free'];
+ my $cmd = ['zfs', 'list', '-t', 'filesystem', '-H', '-o', 'name,avail,used'];
my $res = [];
run_command($cmd, outfunc => sub {
my $line = shift;
if ($line =~m/^(\S+)\s+(\S+)\s+(\S+)$/) {
- my ($pool, $size_str, $free_str) = ($1, $2, $3);
+ my ($pool, $size_str, $used_str) = ($1, $2, $3);
my $size = PVE::Storage::ZFSPoolPlugin::zfs_parse_size($size_str);
- my $free = PVE::Storage::ZFSPoolPlugin::zfs_parse_size($free_str);
- push @$res, { pool => $pool, size => $size, free => $free };
+ my $used = PVE::Storage::ZFSPoolPlugin::zfs_parse_size($used_str);
+ # ignore subvolumes generated by our ZFSPoolPlugin
+ return if $pool =~ m!/subvol-\d+-[^/]+$!;
+ return if $pool =~ m!/basevol-\d+-[^/]+$!;
+ push @$res, { pool => $pool, size => $size, free => $size-$used };
}
});
sub resolv_portal {
my ($portal, $noerr) = @_;
- if ($portal =~ m/^([^:]+)(:(\d+))?$/) {
- my $server = $1;
- my $port = $3;
-
+ my ($server, $port) = PVE::Tools::parse_host_and_port($portal);
+ if ($server) {
if (my $ip = resolv_server($server)) {
$server = $ip;
+ $server = "[$server]" if $server =~ /^$IPV6RE$/;
return $port ? "$server:$port" : $server;
}
}
}
}
+sub extract_vzdump_config_tar {
+ my ($archive, $conf_re) = @_;
+
+ die "ERROR: file '$archive' does not exist\n" if ! -f $archive;
+
+ my $pid = open(my $fh, '-|', 'tar', 'tf', $archive) ||
+ die "unable to open file '$archive'\n";
+
+ my $file;
+ while (defined($file = <$fh>)) {
+ if ($file =~ $conf_re) {
+ $file = $1; # untaint
+ last;
+ }
+ }
+
+ kill 15, $pid;
+ waitpid $pid, 0;
+ close $fh;
+
+ die "ERROR: archive contains no configuration file\n" if !$file;
+ chomp $file;
+
+ my $raw = '';
+ my $out = sub {
+ my $output = shift;
+ $raw .= "$output\n";
+ };
+
+ PVE::Tools::run_command(['tar', '-xpOf', $archive, $file, '--occurrence'], outfunc => $out);
+
+ return wantarray ? ($raw, $file) : $raw;
+}
+
+sub extract_vzdump_config_vma {
+ my ($archive, $comp) = @_;
+
+ my $cmd;
+ my $raw = '';
+ my $out = sub {
+ my $output = shift;
+ $raw .= "$output\n";
+ };
+
+
+ if ($comp) {
+ my $uncomp;
+ if ($comp eq 'gz') {
+ $uncomp = ["zcat", $archive];
+ } elsif ($comp eq 'lzo') {
+ $uncomp = ["lzop", "-d", "-c", $archive];
+ } else {
+ die "unknown compression method '$comp'\n";
+ }
+ $cmd = [$uncomp, ["vma", "config", "-"]];
+
+ # in some cases, lzop/zcat exits with 1 when its stdout pipe is
+ # closed early by vma, detect this and ignore the exit code later
+ my $broken_pipe;
+ my $errstring;
+ my $err = sub {
+ my $output = shift;
+ if ($output =~ m/lzop: Broken pipe: <stdout>/ || $output =~ m/gzip: stdout: Broken pipe/) {
+ $broken_pipe = 1;
+ } elsif (!defined ($errstring) && $output !~ m/^\s*$/) {
+ $errstring = "Failed to extract config from VMA archive: $output\n";
+ }
+ };
+
+ # in other cases, the pipeline will exit with exit code 141
+ # because of the broken pipe, handle / ignore this as well
+ my $rc;
+ eval {
+ $rc = PVE::Tools::run_command($cmd, outfunc => $out, errfunc => $err, noerr => 1);
+ };
+ my $rerr = $@;
+
+ # use exit code if no stderr output and not just broken pipe
+ if (!$errstring && !$broken_pipe && $rc != 0 && $rc != 141) {
+ die "$rerr\n" if $rerr;
+ die "config extraction failed with exit code $rc\n";
+ }
+ die "$errstring\n" if $errstring;
+ } else {
+ # simple case without compression and weird piping behaviour
+ PVE::Tools::run_command(["vma", "config", $archive], outfunc => $out);
+ }
+
+ return wantarray ? ($raw, undef) : $raw;
+}
+
+sub extract_vzdump_config {
+ my ($cfg, $volid) = @_;
+
+ my $archive = abs_filesystem_path($cfg, $volid);
+
+ if ($volid =~ /vzdump-(lxc|openvz)-\d+-(\d{4})_(\d{2})_(\d{2})-(\d{2})_(\d{2})_(\d{2})\.(tgz|(tar(\.(gz|lzo))?))$/) {
+ return extract_vzdump_config_tar($archive, qr!^(\./etc/vzdump/(pct|vps)\.conf)$!);
+ } elsif ($volid =~ /vzdump-qemu-\d+-(\d{4})_(\d{2})_(\d{2})-(\d{2})_(\d{2})_(\d{2})\.(tgz|((tar|vma)(\.(gz|lzo))?))$/) {
+ my $format;
+ my $comp;
+ if ($7 eq 'tgz') {
+ $format = 'tar';
+ $comp = 'gz';
+ } else {
+ $format = $9;
+ $comp = $11 if defined($11);
+ }
+
+ if ($format eq 'tar') {
+ return extract_vzdump_config_tar($archive, qr!\(\./qemu-server\.conf\)!);
+ } else {
+ return extract_vzdump_config_vma($archive, $comp);
+ }
+ } else {
+ die "cannot determine backup guest type for backup archive '$volid'\n";
+ }
+}
+
+sub volume_export {
+ my ($cfg, $fh, $volid, $format, $snapshot, $base_snapshot, $with_snapshots) = @_;
+
+ my ($storeid, $volname) = parse_volume_id($volid, 1);
+ die "cannot export volume '$volid'\n" if !$storeid;
+ my $scfg = storage_config($cfg, $storeid);
+ my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
+ return $plugin->volume_export($scfg, $storeid, $fh, $volname, $format,
+ $snapshot, $base_snapshot, $with_snapshots);
+}
+
+sub volume_import {
+ my ($cfg, $fh, $volid, $format, $base_snapshot, $with_snapshots) = @_;
+
+ my ($storeid, $volname) = parse_volume_id($volid, 1);
+ die "cannot import into volume '$volid'\n" if !$storeid;
+ my $scfg = storage_config($cfg, $storeid);
+ my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
+ return $plugin->volume_import($scfg, $storeid, $fh, $volname, $format,
+ $base_snapshot, $with_snapshots);
+}
+
+sub volume_export_formats {
+ my ($cfg, $volid, $snapshot, $base_snapshot, $with_snapshots) = @_;
+
+ my ($storeid, $volname) = parse_volume_id($volid, 1);
+ return if !$storeid;
+ my $scfg = storage_config($cfg, $storeid);
+ my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
+ return $plugin->volume_export_formats($scfg, $storeid, $volname,
+ $base_snapshot, $with_snapshots);
+}
+
+sub volume_import_formats {
+ my ($cfg, $volid, $base_snapshot, $with_snapshots) = @_;
+
+ my ($storeid, $volname) = parse_volume_id($volid, 1);
+ return if !$storeid;
+ my $scfg = storage_config($cfg, $storeid);
+ my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
+ return $plugin->volume_import_formats($scfg, $storeid, $volname,
+ $base_snapshot, $with_snapshots);
+}
+
+sub volume_transfer_formats {
+ my ($cfg, $src_volid, $dst_volid, $snapshot, $base_snapshot, $with_snapshots) = @_;
+ my @export_formats = volume_export_formats($cfg, $src_volid, $snapshot, $base_snapshot, $with_snapshots);
+ my @import_formats = volume_import_formats($cfg, $dst_volid, $base_snapshot, $with_snapshots);
+ my %import_hash = map { $_ => 1 } @import_formats;
+ my @common = grep { $import_hash{$_} } @export_formats;
+ return @common;
+}
+
+# bash completion helper
+
+sub complete_storage {
+ my ($cmdname, $pname, $cvalue) = @_;
+
+ my $cfg = PVE::Storage::config();
+
+ return $cmdname eq 'add' ? [] : [ PVE::Storage::storage_ids($cfg) ];
+}
+
+sub complete_storage_enabled {
+ my ($cmdname, $pname, $cvalue) = @_;
+
+ my $res = [];
+
+ my $cfg = PVE::Storage::config();
+ foreach my $sid (keys %{$cfg->{ids}}) {
+ next if !storage_check_enabled($cfg, $sid, undef, 1);
+ push @$res, $sid;
+ }
+ return $res;
+}
+
+sub complete_content_type {
+ my ($cmdname, $pname, $cvalue) = @_;
+
+ return [qw(rootdir images vztmpl iso backup)];
+}
+
+sub complete_volume {
+ my ($cmdname, $pname, $cvalue) = @_;
+
+ my $cfg = config();
+
+ my $storage_list = complete_storage_enabled();
+
+ if ($cvalue =~ m/^([^:]+):/) {
+ $storage_list = [ $1 ];
+ } else {
+ if (scalar(@$storage_list) > 1) {
+ # only list storage IDs to avoid large listings
+ my $res = [];
+ foreach my $storeid (@$storage_list) {
+ # Hack: simply return 2 artificial values, so that
+ # completions does not finish
+ push @$res, "$storeid:volname", "$storeid:...";
+ }
+ return $res;
+ }
+ }
+
+ my $res = [];
+ foreach my $storeid (@$storage_list) {
+ my $vollist = PVE::Storage::volume_list($cfg, $storeid);
+
+ foreach my $item (@$vollist) {
+ push @$res, $item->{volid};
+ }
+ }
+
+ return $res;
+}
+
1;
projects / pve-storage.git / blobdiff