[pve-container.git] / src / PVE / LXC / Migrate.pm

package PVE::LXC::Migrate;

use strict;
use warnings;
use PVE::AbstractMigrate;
use File::Basename;
use File::Copy; # fixme: remove
use PVE::Tools;
use PVE::INotify;
use PVE::Cluster;
use PVE::Storage;
use PVE::LXC::Config;
use PVE::LXC;
use PVE::ReplicationConfig;
use PVE::ReplicationState;
use PVE::Replication;

use base qw(PVE::AbstractMigrate);

sub lock_vm {
    my ($self, $vmid, $code, @param) = @_;

    return PVE::LXC::Config->lock_config($vmid, $code, @param);
}

sub prepare {
    my ($self, $vmid) = @_;

    my $online = $self->{opts}->{online};
    my $restart= $self->{opts}->{restart};

    $self->{storecfg} = PVE::Storage::config();

    # test if CT exists
    my $conf = $self->{vmconf} = PVE::LXC::Config->load_config($vmid);

    PVE::LXC::Config->check_lock($conf);

    my $running = 0;
    if (PVE::LXC::check_running($vmid)) {
	die "lxc live migration is currently not implemented\n" if $online;
	die "running container can only be migrated in restart mode" if !$restart;
	$running = 1;
    }
    $self->{was_running} = $running;

    my $force = $self->{opts}->{force} // 0;
    my $need_activate = [];

    PVE::LXC::Config->foreach_mountpoint($conf, sub {
	my ($ms, $mountpoint) = @_;

	my $volid = $mountpoint->{volume};
	my $type = $mountpoint->{type};

	# skip dev/bind mps when forced / shared
	if ($type ne 'volume') {
	    if ($force) {
		warn "-force is deprecated, please use the 'shared' property on individual non-volume mount points instead!\n";
		return;
	    }
	    if ($mountpoint->{shared}) {
		return;
	    } else {
		die "cannot migrate local $type mount point '$ms'\n";
	    }
	}

	my ($storage, $volname) = PVE::Storage::parse_volume_id($volid, 1) if $volid;
	die "can't determine assigned storage for mount point '$ms'\n" if !$storage;

	# check if storage is available on both nodes
	my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $storage);
	PVE::Storage::storage_check_node($self->{storecfg}, $storage, $self->{node});


	if ($scfg->{shared}) {
	    # PVE::Storage::activate_storage checks this for non-shared storages
	    my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
	    warn "Used shared storage '$storage' is not online on source node!\n"
		if !$plugin->check_connection($storage, $scfg);
	} else {
	    # only activate if not shared
	    push @$need_activate, $volid;

	    # unless in restart mode because we shut the container down
	    die "unable to migrate local mount point '$volid' while CT is running"
		if $running && !$restart;
	}

    });

    PVE::Storage::activate_volumes($self->{storecfg}, $need_activate);

    # todo: test if VM uses local resources

    # test ssh connection
    my $cmd = [ @{$self->{rem_ssh}}, '/bin/true' ];
    eval { $self->cmd_quiet($cmd); };
    die "Can't connect to destination address using public key\n" if $@;

    # in restart mode, we shutdown the container before migrating
    if ($restart && $running) {
	my $timeout = $self->{opts}->{timeout} // 180;

	$self->log('info', "shutdown CT $vmid\n");

	my $cmd = ['lxc-stop', '-n', $vmid, '--timeout', $timeout];
	$self->cmd($cmd, timeout => $timeout + 5);

	# make sure container is stopped
	$cmd = ['lxc-wait',  '-n', $vmid, '-t', 5, '-s', 'STOPPED'];
	$self->cmd($cmd);

	$running = 0;
    }

    return $running;
}

sub phase1 {
    my ($self, $vmid) = @_;

    $self->log('info', "starting migration of CT $self->{vmid} to node '$self->{node}' ($self->{nodeip})");

    my $conf = $self->{vmconf};
    $conf->{lock} = 'migrate';
    PVE::LXC::Config->write_config($vmid, $conf);

    if ($self->{running}) {
	$self->log('info', "container is running - using online migration");
    }

    $self->{volumes} = []; # list of already migrated volumes
    my $volhash = {}; # 'config', 'snapshot' or 'storage' for local volumes
    my $volhash_errors = {};
    my $abort = 0;

    my $log_error = sub {
	my ($msg, $volid) = @_;

	$volhash_errors->{$volid} = $msg if !defined($volhash_errors->{$volid});
	$abort = 1;
    };

    my $test_volid = sub {
	my ($volid, $snapname) = @_;

	return if !$volid;

	my ($sid, $volname) = PVE::Storage::parse_volume_id($volid);

	# check if storage is available on both nodes
	my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $sid);
	PVE::Storage::storage_check_node($self->{storecfg}, $sid, $self->{node});

	if ($scfg->{shared}) {
	    $self->log('info', "volume '$volid' is on shared storage '$sid'")
		if !$snapname;
	    return;
	}

	$volhash->{$volid}->{ref} = defined($snapname) ? 'snapshot' : 'config';
	$volhash->{$volid}->{snapshots} = defined($snapname);

	my ($path, $owner) = PVE::Storage::path($self->{storecfg}, $volid);

	die "owned by other guest (owner = $owner)\n"
	    if !$owner || ($owner != $self->{vmid});

	if (defined($snapname)) {
	    # we cannot migrate shapshots on local storage
	    # exceptions: 'zfspool'
	    if (($scfg->{type} eq 'zfspool')) {
		return;
	    }
	    die "non-migratable snapshot exists\n";
	}
    };

    my $test_mp = sub {
	my ($ms, $mountpoint, $snapname) = @_;

	my $volid = $mountpoint->{volume};
	# already checked in prepare
	if ($mountpoint->{type} ne 'volume') {
	    $self->log('info', "ignoring shared '$mountpoint->{type}' mount point '$ms' ('$volid')")
		if !$snapname;
	    return;
	}

	eval {
	    &$test_volid($volid, $snapname);
	};

	&$log_error($@, $volid) if $@;
    };

    # first unused / lost volumes owned by this container
    my @sids = PVE::Storage::storage_ids($self->{storecfg});
    foreach my $storeid (@sids) {
	my $scfg = PVE::Storage::storage_config($self->{storecfg}, $storeid);
	next if $scfg->{shared};
	next if !PVE::Storage::storage_check_enabled($self->{storecfg}, $storeid, undef, 1);

	# get list from PVE::Storage (for unused volumes)
	my $dl = PVE::Storage::vdisk_list($self->{storecfg}, $storeid, $vmid);

	next if @{$dl->{$storeid}} == 0;

	# check if storage is available on target node
	PVE::Storage::storage_check_node($self->{storecfg}, $storeid, $self->{node});

	PVE::Storage::foreach_volid($dl, sub {
	    my ($volid, $sid, $volname) = @_;

	    $volhash->{$volid}->{ref} = 'storage';
	});
    }

    # then all volumes referenced in snapshots
    foreach my $snapname (keys %{$conf->{snapshots}}) {
	&$test_volid($conf->{snapshots}->{$snapname}->{'vmstate'}, 0, undef)
	    if defined($conf->{snapshots}->{$snapname}->{'vmstate'});
	PVE::LXC::Config->foreach_mountpoint($conf->{snapshots}->{$snapname}, $test_mp, $snapname);
    }

    # finally all currently used volumes
    PVE::LXC::Config->foreach_mountpoint($conf, $test_mp);


    # additional checks for local storage
    foreach my $volid (keys %$volhash) {
	eval {
	    my ($sid, $volname) = PVE::Storage::parse_volume_id($volid);
	    my $scfg =  PVE::Storage::storage_config($self->{storecfg}, $sid);

	    my $migratable = ($scfg->{type} eq 'dir') || ($scfg->{type} eq 'zfspool') ||
		($scfg->{type} eq 'lvmthin') || ($scfg->{type} eq 'lvm');

	    die "storage type '$scfg->{type}' not supported\n"
		if !$migratable;

	    # image is a linked clone on local storage, se we can't migrate.
	    if (my $basename = (PVE::Storage::parse_volname($self->{storecfg}, $volid))[3]) {
		die "clone of '$basename'";
	    }
	};
	&$log_error($@, $volid) if $@;
    }

    foreach my $volid (sort keys %$volhash) {
	my $ref = $volhash->{$volid}->{ref};
	if ($ref eq 'storage') {
	    $self->log('info', "found local volume '$volid' (via storage)\n");
	} elsif ($ref eq 'config') {
	    $self->log('info', "found local volume '$volid' (in current VM config)\n");
	} elsif ($ref eq 'snapshot') {
	    $self->log('info', "found local volume '$volid' (referenced by snapshot(s))\n");
	} else {
	    $self->log('info', "found local volume '$volid'\n");
	}
    }

    foreach my $volid (sort keys %$volhash_errors) {
	$self->log('warn', "can't migrate local volume '$volid': $volhash_errors->{$volid}");
    }

    if ($abort) {
	die "can't migrate CT - check log\n";
    }

    my $rep_volumes;

    my $rep_cfg = PVE::ReplicationConfig->new();

    if (my $jobcfg = $rep_cfg->find_local_replication_job($vmid, $self->{node})) {
	die "can't live migrate VM with replicated volumes\n" if $self->{running};
	my $start_time = time();
	my $logfunc = sub { my ($msg) = @_;  $self->log('info', $msg); };
	$rep_volumes = PVE::Replication::run_replication(
	    'PVE::LXC::Config', $jobcfg, $start_time, $start_time, $logfunc);
    }

    my $insecure = $self->{opts}->{migration_type} eq 'insecure';
    foreach my $volid (keys %$volhash) {
	next if $rep_volumes->{$volid};
	my ($sid, $volname) = PVE::Storage::parse_volume_id($volid);
	push @{$self->{volumes}}, $volid;
	my $with_snapshots = $volhash->{$volid}->{snapshots};
	PVE::Storage::storage_migrate($self->{storecfg}, $volid, $self->{ssh_info}, $sid, undef, undef, undef, undef, $insecure, $with_snapshots);
    }

    my $conffile = PVE::LXC::Config->config_file($vmid);
    my $newconffile = PVE::LXC::Config->config_file($vmid, $self->{node});

    if ($self->{running}) {
	die "implement me";
    }

    # make sure everything on (shared) storage is unmounted
    # Note: we must be 100% sure, else we get data corruption because
    # non-shared file system could be mounted twice (on shared storage)

    PVE::LXC::umount_all($vmid, $self->{storecfg}, $conf);

    #to be sure there are no active volumes
    my $vollist = PVE::LXC::Config->get_vm_volumes($conf);
    PVE::Storage::deactivate_volumes($self->{storecfg}, $vollist);

   # transfer replication state before move config
    $self->transfer_replication_state();

    # move config
    die "Failed to move config to node '$self->{node}' - rename failed: $!\n"
	if !rename($conffile, $newconffile);

    $self->{conf_migrated} = 1;

    $self->switch_replication_job_target();
}

sub phase1_cleanup {
    my ($self, $vmid, $err) = @_;

    $self->log('info', "aborting phase 1 - cleanup resources");

    if ($self->{volumes}) {
	foreach my $volid (@{$self->{volumes}}) {
	    $self->log('err', "found stale volume copy '$volid' on node '$self->{node}'");
	    # fixme: try to remove ?
	}
    }
}

sub phase3 {
    my ($self, $vmid) = @_;

    my $volids = $self->{volumes};

    # destroy local copies
    foreach my $volid (@$volids) {
	eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); };
	if (my $err = $@) {
	    $self->log('err', "removing local copy of '$volid' failed - $err");
	    $self->{errors} = 1;
	    last if $err =~ /^interrupted by signal$/;
	}
    }
}

sub final_cleanup {
    my ($self, $vmid) = @_;

    $self->log('info', "start final cleanup");

    if (!$self->{conf_migrated}) {
	my $conf = $self->{vmconf};
	delete $conf->{lock};

	eval { PVE::LXC::Config->write_config($vmid, $conf); };
	if (my $err = $@) {
	    $self->log('err', $err);
	}
    } else {
	my $cmd = [ @{$self->{rem_ssh}}, 'pct', 'unlock', $vmid ];
	$self->cmd_logerr($cmd, errmsg => "failed to clear migrate lock");	
    }

    # in restart mode, we start the container on the target node
    # after migration
    if ($self->{opts}->{restart} && $self->{was_running}) {
	$self->log('info', "start container on target node");
	my $cmd = [ @{$self->{rem_ssh}}, 'pct', 'start', $vmid];
	$self->cmd($cmd);
    }
}

1;
Commit	Line	Data
6f42807e DM	1	package PVE::LXC::Migrate;
	2
	3	use strict;
	4	use warnings;
	5	use PVE::AbstractMigrate;
	6	use File::Basename;
	7	use File::Copy; # fixme: remove
	8	use PVE::Tools;
	9	use PVE::INotify;
	10	use PVE::Cluster;
	11	use PVE::Storage;
8d66edee	12	use PVE::LXC::Config;
6f42807e	13	use PVE::LXC;
3efa5e3d DM	14	use PVE::ReplicationConfig;
	15	use PVE::ReplicationState;
	16	use PVE::Replication;
6f42807e DM	17
	18	use base qw(PVE::AbstractMigrate);
	19
	20	sub lock_vm {
	21	my ($self, $vmid, $code, @param) = @_;
	22
67afe46e	23	return PVE::LXC::Config->lock_config($vmid, $code, @param);
6f42807e DM	24	}
	25
	26	sub prepare {
	27	my ($self, $vmid) = @_;
	28
	29	my $online = $self->{opts}->{online};
a7cedb73	30	my $restart= $self->{opts}->{restart};
6f42807e DM	31
	32	$self->{storecfg} = PVE::Storage::config();
	33
1cd1fa12	34	# test if CT exists
67afe46e	35	my $conf = $self->{vmconf} = PVE::LXC::Config->load_config($vmid);
6f42807e	36
67afe46e	37	PVE::LXC::Config->check_lock($conf);
6f42807e DM	38
	39	my $running = 0;
	40	if (PVE::LXC::check_running($vmid)) {
a7cedb73 DC	41	die "lxc live migration is currently not implemented\n" if $online;
a7cedb73 DC	42	die "running container can only be migrated in restart mode" if !$restart;
6f42807e DM	43	$running = 1;
6f42807e DM	44	}
a7cedb73	45	$self->{was_running} = $running;
6f42807e	46
9746c095	47	my $force = $self->{opts}->{force} // 0;
20ab40f3	48	my $need_activate = [];
9746c095	49
d250604f	50	PVE::LXC::Config->foreach_mountpoint($conf, sub {
6f42807e DM	51	my ($ms, $mountpoint) = @_;
	52
	53	my $volid = $mountpoint->{volume};
552e168f	54	my $type = $mountpoint->{type};
9746c095	55
552e168f FG	56	# skip dev/bind mps when forced / shared
	57	if ($type ne 'volume') {
	58	if ($force) {
	59	warn "-force is deprecated, please use the 'shared' property on individual non-volume mount points instead!\n";
	60	return;
	61	}
	62	if ($mountpoint->{shared}) {
	63	return;
	64	} else {
	65	die "cannot migrate local $type mount point '$ms'\n";
	66	}
9746c095	67	}
552e168f	68
6f42807e	69	my ($storage, $volname) = PVE::Storage::parse_volume_id($volid, 1) if $volid;
235dbdf3	70	die "can't determine assigned storage for mount point '$ms'\n" if !$storage;
6f42807e DM	71
	72	# check if storage is available on both nodes
	73	my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $storage);
	74	PVE::Storage::storage_check_node($self->{storecfg}, $storage, $self->{node});
	75
20ab40f3 FG	76
	77	if ($scfg->{shared}) {
	78	# PVE::Storage::activate_storage checks this for non-shared storages
	79	my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
	80	warn "Used shared storage '$storage' is not online on source node!\n"
	81	if !$plugin->check_connection($storage, $scfg);
	82	} else {
	83	# only activate if not shared
	84	push @$need_activate, $volid;
	85
a7cedb73	86	# unless in restart mode because we shut the container down
235dbdf3	87	die "unable to migrate local mount point '$volid' while CT is running"
a7cedb73	88	if $running && !$restart;
20ab40f3	89	}
6f42807e DM	90
	91	});
	92
20ab40f3	93	PVE::Storage::activate_volumes($self->{storecfg}, $need_activate);
6f42807e DM	94
	95	# todo: test if VM uses local resources
	96
	97	# test ssh connection
	98	my $cmd = [ @{$self->{rem_ssh}}, '/bin/true' ];
	99	eval { $self->cmd_quiet($cmd); };
	100	die "Can't connect to destination address using public key\n" if $@;
	101
a7cedb73 DC	102	# in restart mode, we shutdown the container before migrating
	103	if ($restart && $running) {
	104	my $timeout = $self->{opts}->{timeout} // 180;
	105
	106	$self->log('info', "shutdown CT $vmid\n");
	107
	108	my $cmd = ['lxc-stop', '-n', $vmid, '--timeout', $timeout];
	109	$self->cmd($cmd, timeout => $timeout + 5);
	110
	111	# make sure container is stopped
	112	$cmd = ['lxc-wait', '-n', $vmid, '-t', 5, '-s', 'STOPPED'];
	113	$self->cmd($cmd);
	114
	115	$running = 0;
	116	}
	117
6f42807e DM	118	return $running;
	119	}
	120
	121	sub phase1 {
	122	my ($self, $vmid) = @_;
	123
	124	$self->log('info', "starting migration of CT $self->{vmid} to node '$self->{node}' ($self->{nodeip})");
	125
	126	my $conf = $self->{vmconf};
	127	$conf->{lock} = 'migrate';
67afe46e	128	PVE::LXC::Config->write_config($vmid, $conf);
6f42807e DM	129
	130	if ($self->{running}) {
	131	$self->log('info', "container is running - using online migration");
	132	}
	133
3c5dabe1	134	$self->{volumes} = []; # list of already migrated volumes
f503617b	135	my $volhash = {}; # 'config', 'snapshot' or 'storage' for local volumes
33deb76c FG	136	my $volhash_errors = {};
	137	my $abort = 0;
	138
	139	my $log_error = sub {
	140	my ($msg, $volid) = @_;
	141
	142	$volhash_errors->{$volid} = $msg if !defined($volhash_errors->{$volid});
	143	$abort = 1;
	144	};
6f42807e	145
3c5dabe1 FG	146	my $test_volid = sub {
3c5dabe1 FG	147	my ($volid, $snapname) = @_;
6f42807e	148
3c5dabe1 FG	149	return if !$volid;
	150
	151	my ($sid, $volname) = PVE::Storage::parse_volume_id($volid);
	152
	153	# check if storage is available on both nodes
	154	my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $sid);
	155	PVE::Storage::storage_check_node($self->{storecfg}, $sid, $self->{node});
	156
33deb76c FG	157	if ($scfg->{shared}) {
	158	$self->log('info', "volume '$volid' is on shared storage '$sid'")
	159	if !$snapname;
	160	return;
	161	}
3c5dabe1	162
0aa2d2a2 WB	163	$volhash->{$volid}->{ref} = defined($snapname) ? 'snapshot' : 'config';
0aa2d2a2 WB	164	$volhash->{$volid}->{snapshots} = defined($snapname);
f503617b	165
3c5dabe1 FG	166	my ($path, $owner) = PVE::Storage::path($self->{storecfg}, $volid);
3c5dabe1 FG	167
33deb76c	168	die "owned by other guest (owner = $owner)\n"
3c5dabe1	169	if !$owner \|\| ($owner != $self->{vmid});
9746c095	170
3c5dabe1 FG	171	if (defined($snapname)) {
	172	# we cannot migrate shapshots on local storage
	173	# exceptions: 'zfspool'
	174	if (($scfg->{type} eq 'zfspool')) {
3c5dabe1 FG	175	return;
3c5dabe1 FG	176	}
33deb76c	177	die "non-migratable snapshot exists\n";
3c5dabe1 FG	178	}
	179	};
	180
	181	my $test_mp = sub {
	182	my ($ms, $mountpoint, $snapname) = @_;
	183
	184	my $volid = $mountpoint->{volume};
9746c095 FG	185	# already checked in prepare
9746c095 FG	186	if ($mountpoint->{type} ne 'volume') {
552e168f	187	$self->log('info', "ignoring shared '$mountpoint->{type}' mount point '$ms' ('$volid')")
3c5dabe1	188	if !$snapname;
9746c095 FG	189	return;
	190	}
	191
33deb76c FG	192	eval {
	193	&$test_volid($volid, $snapname);
	194	};
6f42807e	195
33deb76c	196	&$log_error($@, $volid) if $@;
3c5dabe1 FG	197	};
3c5dabe1 FG	198
1c5f78ef	199	# first unused / lost volumes owned by this container
3c5dabe1 FG	200	my @sids = PVE::Storage::storage_ids($self->{storecfg});
	201	foreach my $storeid (@sids) {
	202	my $scfg = PVE::Storage::storage_config($self->{storecfg}, $storeid);
	203	next if $scfg->{shared};
	204	next if !PVE::Storage::storage_check_enabled($self->{storecfg}, $storeid, undef, 1);
	205
	206	# get list from PVE::Storage (for unused volumes)
	207	my $dl = PVE::Storage::vdisk_list($self->{storecfg}, $storeid, $vmid);
	208
	209	next if @{$dl->{$storeid}} == 0;
	210
	211	# check if storage is available on target node
	212	PVE::Storage::storage_check_node($self->{storecfg}, $storeid, $self->{node});
	213
	214	PVE::Storage::foreach_volid($dl, sub {
	215	my ($volid, $sid, $volname) = @_;
	216
0aa2d2a2	217	$volhash->{$volid}->{ref} = 'storage';
3c5dabe1 FG	218	});
	219	}
	220
1c5f78ef FG	221	# then all volumes referenced in snapshots
	222	foreach my $snapname (keys %{$conf->{snapshots}}) {
	223	&$test_volid($conf->{snapshots}->{$snapname}->{'vmstate'}, 0, undef)
	224	if defined($conf->{snapshots}->{$snapname}->{'vmstate'});
	225	PVE::LXC::Config->foreach_mountpoint($conf->{snapshots}->{$snapname}, $test_mp, $snapname);
	226	}
	227
	228	# finally all currently used volumes
	229	PVE::LXC::Config->foreach_mountpoint($conf, $test_mp);
	230
	231
3c5dabe1 FG	232	# additional checks for local storage
3c5dabe1 FG	233	foreach my $volid (keys %$volhash) {
33deb76c FG	234	eval {
	235	my ($sid, $volname) = PVE::Storage::parse_volume_id($volid);
	236	my $scfg = PVE::Storage::storage_config($self->{storecfg}, $sid);
3c5dabe1	237
33deb76c FG	238	my $migratable = ($scfg->{type} eq 'dir') \|\| ($scfg->{type} eq 'zfspool') \|\|
33deb76c FG	239	($scfg->{type} eq 'lvmthin') \|\| ($scfg->{type} eq 'lvm');
3c5dabe1	240
33deb76c FG	241	die "storage type '$scfg->{type}' not supported\n"
33deb76c FG	242	if !$migratable;
3c5dabe1	243
33deb76c FG	244	# image is a linked clone on local storage, se we can't migrate.
	245	if (my $basename = (PVE::Storage::parse_volname($self->{storecfg}, $volid))[3]) {
	246	die "clone of '$basename'";
	247	}
	248	};
	249	&$log_error($@, $volid) if $@;
3c5dabe1 FG	250	}
3c5dabe1 FG	251
f503617b	252	foreach my $volid (sort keys %$volhash) {
0aa2d2a2 WB	253	my $ref = $volhash->{$volid}->{ref};
0aa2d2a2 WB	254	if ($ref eq 'storage') {
f503617b	255	$self->log('info', "found local volume '$volid' (via storage)\n");
0aa2d2a2	256	} elsif ($ref eq 'config') {
f503617b	257	$self->log('info', "found local volume '$volid' (in current VM config)\n");
0aa2d2a2	258	} elsif ($ref eq 'snapshot') {
f503617b FG	259	$self->log('info', "found local volume '$volid' (referenced by snapshot(s))\n");
	260	} else {
	261	$self->log('info', "found local volume '$volid'\n");
	262	}
	263	}
	264
33deb76c FG	265	foreach my $volid (sort keys %$volhash_errors) {
	266	$self->log('warn', "can't migrate local volume '$volid': $volhash_errors->{$volid}");
	267	}
	268
	269	if ($abort) {
	270	die "can't migrate CT - check log\n";
	271	}
	272
3efa5e3d DM	273	my $rep_volumes;
	274
	275	my $rep_cfg = PVE::ReplicationConfig->new();
	276
	277	if (my $jobcfg = $rep_cfg->find_local_replication_job($vmid, $self->{node})) {
	278	die "can't live migrate VM with replicated volumes\n" if $self->{running};
	279	my $start_time = time();
	280	my $logfunc = sub { my ($msg) = @_; $self->log('info', $msg); };
	281	$rep_volumes = PVE::Replication::run_replication(
	282	'PVE::LXC::Config', $jobcfg, $start_time, $start_time, $logfunc);
	283	}
	284
a53ce933	285	my $insecure = $self->{opts}->{migration_type} eq 'insecure';
3c5dabe1	286	foreach my $volid (keys %$volhash) {
3efa5e3d	287	next if $rep_volumes->{$volid};
3c5dabe1 FG	288	my ($sid, $volname) = PVE::Storage::parse_volume_id($volid);
3c5dabe1 FG	289	push @{$self->{volumes}}, $volid;
0aa2d2a2 WB	290	my $with_snapshots = $volhash->{$volid}->{snapshots};
0aa2d2a2 WB	291	PVE::Storage::storage_migrate($self->{storecfg}, $volid, $self->{ssh_info}, $sid, undef, undef, undef, undef, $insecure, $with_snapshots);
3c5dabe1	292	}
6f42807e	293
67afe46e FG	294	my $conffile = PVE::LXC::Config->config_file($vmid);
67afe46e FG	295	my $newconffile = PVE::LXC::Config->config_file($vmid, $self->{node});
6f42807e DM	296
	297	if ($self->{running}) {
	298	die "implement me";
	299	}
	300
	301	# make sure everything on (shared) storage is unmounted
	302	# Note: we must be 100% sure, else we get data corruption because
	303	# non-shared file system could be mounted twice (on shared storage)
	304
	305	PVE::LXC::umount_all($vmid, $self->{storecfg}, $conf);
	306
c9bc5018	307	#to be sure there are no active volumes
d250604f	308	my $vollist = PVE::LXC::Config->get_vm_volumes($conf);
c9bc5018 WL	309	PVE::Storage::deactivate_volumes($self->{storecfg}, $vollist);
c9bc5018 WL	310
3efa5e3d DM	311	# transfer replication state before move config
	312	$self->transfer_replication_state();
	313
6f42807e DM	314	# move config
	315	die "Failed to move config to node '$self->{node}' - rename failed: $!\n"
	316	if !rename($conffile, $newconffile);
1d1c1b4f WL	317
1d1c1b4f WL	318	$self->{conf_migrated} = 1;
3efa5e3d DM	319
3efa5e3d DM	320	$self->switch_replication_job_target();
6f42807e DM	321	}
	322
	323	sub phase1_cleanup {
	324	my ($self, $vmid, $err) = @_;
	325
	326	$self->log('info', "aborting phase 1 - cleanup resources");
	327
	328	if ($self->{volumes}) {
	329	foreach my $volid (@{$self->{volumes}}) {
	330	$self->log('err', "found stale volume copy '$volid' on node '$self->{node}'");
	331	# fixme: try to remove ?
	332	}
	333	}
	334	}
	335
	336	sub phase3 {
	337	my ($self, $vmid) = @_;
	338
	339	my $volids = $self->{volumes};
	340
	341	# destroy local copies
	342	foreach my $volid (@$volids) {
8fdd1fc8 DM	343	eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); };
	344	if (my $err = $@) {
	345	$self->log('err', "removing local copy of '$volid' failed - $err");
	346	$self->{errors} = 1;
	347	last if $err =~ /^interrupted by signal$/;
6f42807e DM	348	}
	349	}
	350	}
	351
	352	sub final_cleanup {
	353	my ($self, $vmid) = @_;
	354
	355	$self->log('info', "start final cleanup");
	356
1d1c1b4f WL	357	if (!$self->{conf_migrated}) {
	358	my $conf = $self->{vmconf};
	359	delete $conf->{lock};
6f42807e	360
67afe46e	361	eval { PVE::LXC::Config->write_config($vmid, $conf); };
1d1c1b4f WL	362	if (my $err = $@) {
	363	$self->log('err', $err);
	364	}
	365	} else {
	366	my $cmd = [ @{$self->{rem_ssh}}, 'pct', 'unlock', $vmid ];
	367	$self->cmd_logerr($cmd, errmsg => "failed to clear migrate lock");
6f42807e	368	}
a7cedb73 DC	369
	370	# in restart mode, we start the container on the target node
	371	# after migration
	372	if ($self->{opts}->{restart} && $self->{was_running}) {
	373	$self->log('info', "start container on target node");
	374	my $cmd = [ @{$self->{rem_ssh}}, 'pct', 'start', $vmid];
	375	$self->cmd($cmd);
	376	}
6f42807e DM	377	}
	378
	379	1;