use POSIX;
use IO::Select;
use IO::File;
+use IO::Socket::IP;
use File::Basename;
use File::Path;
use Cwd 'abs_path';
}
}
-sub volume_send {
- my ($cfg, $volid, $snap, $ip, $incremental_snap, $verbose, $limit,
- $target_path) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid, 1);
- if ($storeid) {
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- return $plugin->volume_send($scfg, $storeid, $volname, $ip, $snap,
- $incremental_snap, $verbose, $limit, $target_path);
-
- } elsif ($volid =~ m|^(/.+)$| && -e $volid) {
- die "send file/device '$volid' is not possible\n";
- } else {
- die "unable to parse volume ID '$volid'\n";
- }
-}
-
sub volume_snapshot_rollback {
my ($cfg, $volid, $snap) = @_;
}
}
-sub volume_snapshot_delete_remote {
- my ($cfg, $volid, $snap, $ip) = @_;
-
- my ($storeid, $volname) = parse_volume_id($volid, 1);
- if ($storeid) {
- my $scfg = storage_config($cfg, $storeid);
- my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
- return $plugin->volume_snapshot_delete_remote($scfg, $storeid, $volname, $snap, $ip);
- } elsif ($volid =~ m|^(/.+)$| && -e $volid) {
- die "snapshot delete file/device '$volid' is not possible\n";
- } else {
- die "unable to parse volume ID '$volid'\n";
- }
-}
-
sub volume_snapshot_delete {
my ($cfg, $volid, $snap, $running) = @_;
}
sub volume_snapshot_list {
- my ($cfg, $volid, $prefix, $ip) = @_;
+ my ($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, $prefix, $ip);
+ 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 '$volid'\n";
}
# return an empty array if dataset does not exist.
- # youngest snap first
}
sub get_image_dir {
}
sub storage_migrate {
- my ($cfg, $volid, $target_host, $target_storeid, $target_volname) = @_;
+ my ($cfg, $volid, $target_sshinfo, $target_storeid, $target_volname, $base_snapshot, $snapshot, $ratelimit_bps, $insecure, $with_snapshots) = @_;
my ($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 $sshoptions = "-o 'BatchMode=yes'";
- my $ssh = "/usr/bin/ssh $sshoptions";
-
- local $ENV{RSYNC_RSH} = $ssh;
-
- # only implemented for file system based storage
- if ($scfg->{path}) {
- 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);
- my $dst = $dst_plugin->path($tcfg, $target_volname, $target_storeid);
-
- my $dirname = dirname($dst);
+ my $target_ip = $target_sshinfo->{ip};
+ my $errstr = "unable to migrate '$volid' to '${target_volid}' on host '$target_sshinfo->{name}'";
- if ($tcfg->{shared}) { # we can do a local copy
+ 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);
- run_command(['/bin/mkdir', '-p', $dirname]);
+ my @cstream = ([ '/usr/bin/cstream', '-t', $ratelimit_bps ])
+ if defined($ratelimit_bps);
- run_command(['/bin/cp', $src, $dst]);
-
- } else {
- run_command(['/usr/bin/ssh', "root\@${target_host}",
- '/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],
- outfunc => sub {});
- }
-
- my $cmd;
- if ($format eq 'subvol') {
- $cmd = ['/usr/bin/rsync', '--progress', '-X', '-A', '--numeric-ids',
- '-aH', '--delete', '--no-whole-file', '--inplace',
- '--one-file-system', "$src/", "[root\@${target_host}]:$dst"];
- } else {
- $cmd = ['/usr/bin/rsync', '--progress', '--sparse', '--whole-file',
- $src, "[root\@${target_host}]:$dst"];
- }
-
- my $percent = -1;
-
- run_command($cmd, outfunc => sub {
- my $line = shift;
-
- if ($line =~ m/^\s*(\d+\s+(\d+)%\s.*)$/) {
- if ($2 > $percent) {
- $percent = $2;
- print "rsync status: $1\n";
- *STDOUT->flush();
- }
- } else {
- print "$line\n";
- *STDOUT->flush();
- }
- });
- }
- } else {
- die "$errstr - target type '$tcfg->{type}' not implemented\n";
+ my $migration_snapshot;
+ if (!defined($snapshot)) {
+ if ($scfg->{type} eq 'zfspool') {
+ $migration_snapshot = 1;
+ $snapshot = '__migration__';
}
+ }
- } elsif ($scfg->{type} eq 'zfspool') {
-
- if ($tcfg->{type} eq 'zfspool') {
-
- die "$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, $volid);
+ my @formats = volume_transfer_formats($cfg, $volid, $volid, $snapshot, $base_snapshot, $with_snapshots);
+ die "cannot migrate from storage type '$scfg->{type}' to '$tcfg->{type}'\n" if !@formats;
+ my $format = $formats[0];
- my $zfspath = "$scfg->{pool}\/$volname";
+ my @insecurecmd;
+ if ($insecure) {
+ @insecurecmd = ('pvecm', 'mtunnel', '-run-command', 1);
+ if (my $network = $target_sshinfo->{network}) {
+ push @insecurecmd, '-migration_network', $network;
+ }
+ }
- my $snap = ['zfs', 'snapshot', "$zfspath\@__migration__"];
+ $with_snapshots = $with_snapshots ? 1 : 0; # sanitize for passing as cli parameter
+ my $send = ['pvesm', 'export', $volid, $format, '-', '-with-snapshots', $with_snapshots];
+ my $recv = [@$ssh, @insecurecmd, '--', 'pvesm', 'import', $volid, $format, '-', '-with-snapshots', $with_snapshots];
+ if (defined($snapshot)) {
+ push @$send, '-snapshot', $snapshot
+ }
+ if ($migration_snapshot) {
+ push @$recv, '-delete-snapshot', $snapshot;
+ }
- my $send = [['zfs', 'send', '-Rpv', "$zfspath\@__migration__"], ['ssh', "root\@$target_host",
- 'zfs', 'recv', $zfspath]];
+ if (defined($base_snapshot)) {
+ # Check if the snapshot exists on the remote side:
+ push @$send, '-base', $base_snapshot;
+ push @$recv, '-base', $base_snapshot;
+ }
- my $destroy_target = ['ssh', "root\@$target_host", 'zfs', 'destroy', "$zfspath\@__migration__"];
- run_command($snap);
- eval{
- run_command($send);
- };
- my $err = $@;
- warn "zfs send/receive failed, cleaning up snapshot(s)..\n" if $err;
- eval { run_command(['zfs', 'destroy', "$zfspath\@__migration__"]); };
- warn "could not remove source snapshot: $@\n" if $@;
- eval { run_command($destroy_target); };
- warn "could not remove target snapshot: $@\n" if $@;
- die $err if $err;
-
- } else {
- die "$errstr - target type $tcfg->{type} is not valid\n";
- }
-
- } elsif ($scfg->{type} eq 'lvmthin' || $scfg->{type} eq 'lvm') {
-
- if (($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, $target_volid);
-
- run_command(['/usr/bin/ssh', "root\@${target_host}",
- 'pvesm', 'alloc', $target_storeid, $vmid,
- $target_volname, int($size/1024)]);
-
- eval {
- if ($tcfg->{type} eq 'lvmthin') {
- run_command([["dd", "if=$src", "bs=4k"],["/usr/bin/ssh", "root\@${target_host}",
- "dd", 'conv=sparse', "of=$dst", "bs=4k"]]);
- } else {
- run_command([["dd", "if=$src", "bs=4k"],["/usr/bin/ssh", "root\@${target_host}",
- "dd", "of=$dst", "bs=4k"]]);
- }
- };
- if (my $err = $@) {
- run_command(['/usr/bin/ssh', "root\@${target_host}",
- 'pvesm', 'free', $target_volid]);
- die $err;
+ volume_snapshot($cfg, $volid, $snapshot) if $migration_snapshot;
+ eval {
+ if ($insecure) {
+ open(my $info, '-|', @$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";
+ 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($socket));
+ # don't close the connection entirely otherwise the receiving end
+ # might not get all buffered data (and fails with 'connection reset by peer')
+ shutdown($socket, 1);
+ 1 while <$info>; # wait for the remote process to finish
+ # now close the socket
+ close($socket);
+ if (!close($info)) { # does waitpid()
+ die "import failed: $!\n" if $!;
+ die "import failed: exit code ".($?>>8)."\n";
}
} else {
- die "$errstr - migrate from source type '$scfg->{type}' to '$tcfg->{type}' not implemented\n";
+ run_command([$send, @cstream, $recv]);
}
- } else {
- die "$errstr - source type '$scfg->{type}' not implemented\n";
+ };
+ 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 $err;
}
sub vdisk_clone {
}
}
+sub volume_export {
+ my ($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,
+ $snapshot, $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 {
projects / pve-storage.git / blobdiff