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Commit | Line | Data |
---|---|---|
3ea94c60 | 1 | package PVE::QemuMigrate; |
1ef75254 | 2 | |
1e3baf05 | 3 | use strict; |
3ea94c60 | 4 | use warnings; |
6d7450cb | 5 | |
3ea94c60 | 6 | use IO::File; |
1e3baf05 | 7 | use IPC::Open2; |
61b04c6d | 8 | use POSIX qw( WNOHANG ); |
6d7450cb TL |
9 | use Time::HiRes qw( usleep ); |
10 | ||
0fca250a | 11 | use PVE::Format qw(render_bytes); |
3ea94c60 | 12 | use PVE::Cluster; |
4b26ffbf | 13 | use PVE::GuestHelpers qw(safe_boolean_ne safe_string_ne); |
6d7450cb TL |
14 | use PVE::INotify; |
15 | use PVE::RPCEnvironment; | |
16 | use PVE::Replication; | |
17 | use PVE::ReplicationConfig; | |
18 | use PVE::ReplicationState; | |
1e3baf05 | 19 | use PVE::Storage; |
6d7450cb TL |
20 | use PVE::Tools; |
21 | ||
912792e2 | 22 | use PVE::QemuConfig; |
58c64ad5 | 23 | use PVE::QemuServer::CPUConfig; |
e0fd2b2f | 24 | use PVE::QemuServer::Drive; |
28e6e180 | 25 | use PVE::QemuServer::Helpers qw(min_version); |
3392d6ca | 26 | use PVE::QemuServer::Machine; |
0a13e08e | 27 | use PVE::QemuServer::Monitor qw(mon_cmd); |
6d7450cb | 28 | use PVE::QemuServer; |
1e3baf05 | 29 | |
6d7450cb | 30 | use PVE::AbstractMigrate; |
16e903f2 | 31 | use base qw(PVE::AbstractMigrate); |
1e3baf05 | 32 | |
1ef75254 | 33 | sub fork_command_pipe { |
46a84fd4 | 34 | my ($self, $cmd) = @_; |
19672434 | 35 | |
1ef75254 DM |
36 | my $reader = IO::File->new(); |
37 | my $writer = IO::File->new(); | |
38 | ||
39 | my $orig_pid = $$; | |
40 | ||
41 | my $cpid; | |
42 | ||
43 | eval { $cpid = open2($reader, $writer, @$cmd); }; | |
44 | ||
45 | my $err = $@; | |
46 | ||
47 | # catch exec errors | |
48 | if ($orig_pid != $$) { | |
46a84fd4 | 49 | $self->log('err', "can't fork command pipe\n"); |
19672434 DM |
50 | POSIX::_exit(1); |
51 | kill('KILL', $$); | |
1ef75254 DM |
52 | } |
53 | ||
54 | die $err if $err; | |
55 | ||
56 | return { writer => $writer, reader => $reader, pid => $cpid }; | |
57 | } | |
58 | ||
19672434 | 59 | sub finish_command_pipe { |
97439670 | 60 | my ($self, $cmdpipe, $timeout) = @_; |
1ef75254 | 61 | |
61b04c6d TL |
62 | my $cpid = $cmdpipe->{pid}; |
63 | return if !defined($cpid); | |
64 | ||
1ef75254 DM |
65 | my $writer = $cmdpipe->{writer}; |
66 | my $reader = $cmdpipe->{reader}; | |
67 | ||
68 | $writer->close(); | |
69 | $reader->close(); | |
70 | ||
61b04c6d TL |
71 | my $collect_child_process = sub { |
72 | my $res = waitpid($cpid, WNOHANG); | |
73 | if (defined($res) && ($res == $cpid)) { | |
74 | delete $cmdpipe->{cpid}; | |
75 | return 1; | |
76 | } else { | |
77 | return 0; | |
78 | } | |
79 | }; | |
1ef75254 | 80 | |
97439670 DM |
81 | if ($timeout) { |
82 | for (my $i = 0; $i < $timeout; $i++) { | |
61b04c6d | 83 | return if &$collect_child_process(); |
97439670 DM |
84 | sleep(1); |
85 | } | |
86 | } | |
87 | ||
88 | $self->log('info', "ssh tunnel still running - terminating now with SIGTERM\n"); | |
89 | kill(15, $cpid); | |
1ef75254 | 90 | |
97439670 DM |
91 | # wait again |
92 | for (my $i = 0; $i < 10; $i++) { | |
61b04c6d | 93 | return if &$collect_child_process(); |
97439670 DM |
94 | sleep(1); |
95 | } | |
96 | ||
97 | $self->log('info', "ssh tunnel still running - terminating now with SIGKILL\n"); | |
98 | kill 9, $cpid; | |
99 | sleep 1; | |
61b04c6d TL |
100 | |
101 | $self->log('err', "ssh tunnel child process (PID $cpid) couldn't be collected\n") | |
102 | if !&$collect_child_process(); | |
1ef75254 DM |
103 | } |
104 | ||
e0eb1f76 FG |
105 | sub read_tunnel { |
106 | my ($self, $tunnel, $timeout) = @_; | |
107 | ||
108 | $timeout = 60 if !defined($timeout); | |
109 | ||
110 | my $reader = $tunnel->{reader}; | |
111 | ||
112 | my $output; | |
113 | eval { | |
114 | PVE::Tools::run_with_timeout($timeout, sub { $output = <$reader>; }); | |
115 | }; | |
116 | die "reading from tunnel failed: $@\n" if $@; | |
117 | ||
118 | chomp $output; | |
119 | ||
120 | return $output; | |
121 | } | |
122 | ||
123 | sub write_tunnel { | |
124 | my ($self, $tunnel, $timeout, $command) = @_; | |
125 | ||
126 | $timeout = 60 if !defined($timeout); | |
127 | ||
128 | my $writer = $tunnel->{writer}; | |
129 | ||
130 | eval { | |
131 | PVE::Tools::run_with_timeout($timeout, sub { | |
132 | print $writer "$command\n"; | |
133 | $writer->flush(); | |
134 | }); | |
135 | }; | |
136 | die "writing to tunnel failed: $@\n" if $@; | |
bcb51ae8 FG |
137 | |
138 | if ($tunnel->{version} && $tunnel->{version} >= 1) { | |
139 | my $res = eval { $self->read_tunnel($tunnel, 10); }; | |
140 | die "no reply to command '$command': $@\n" if $@; | |
141 | ||
142 | if ($res eq 'OK') { | |
143 | return; | |
144 | } else { | |
145 | die "tunnel replied '$res' to command '$command'\n"; | |
146 | } | |
147 | } | |
e0eb1f76 FG |
148 | } |
149 | ||
1e3baf05 | 150 | sub fork_tunnel { |
ae194a5c | 151 | my ($self, $ssh_forward_info) = @_; |
1e3baf05 | 152 | |
7827de41 | 153 | my @localtunnelinfo = (); |
ae194a5c | 154 | foreach my $addr (@$ssh_forward_info) { |
7827de41 ML |
155 | push @localtunnelinfo, '-L', $addr; |
156 | } | |
5bc1e039 | 157 | |
d7b1b24b | 158 | my $cmd = [@{$self->{rem_ssh}}, '-o ExitOnForwardFailure=yes', @localtunnelinfo, '/usr/sbin/qm', 'mtunnel' ]; |
19672434 | 159 | |
46a84fd4 | 160 | my $tunnel = $self->fork_command_pipe($cmd); |
1e3baf05 | 161 | |
19672434 | 162 | eval { |
e0eb1f76 | 163 | my $helo = $self->read_tunnel($tunnel, 60); |
1e3baf05 | 164 | die "no reply\n" if !$helo; |
1ef75254 | 165 | die "no quorum on target node\n" if $helo =~ m/^no quorum$/; |
19672434 | 166 | die "got strange reply from mtunnel ('$helo')\n" |
1e3baf05 DM |
167 | if $helo !~ m/^tunnel online$/; |
168 | }; | |
169 | my $err = $@; | |
170 | ||
58cbe639 FG |
171 | eval { |
172 | my $ver = $self->read_tunnel($tunnel, 10); | |
173 | if ($ver =~ /^ver (\d+)$/) { | |
174 | $tunnel->{version} = $1; | |
175 | $self->log('info', "ssh tunnel $ver\n"); | |
176 | } else { | |
177 | $err = "received invalid tunnel version string '$ver'\n" if !$err; | |
178 | } | |
179 | }; | |
180 | ||
1e3baf05 | 181 | if ($err) { |
46a84fd4 | 182 | $self->finish_command_pipe($tunnel); |
1e3baf05 DM |
183 | die "can't open migration tunnel - $err"; |
184 | } | |
185 | return $tunnel; | |
186 | } | |
187 | ||
19672434 | 188 | sub finish_tunnel { |
16e903f2 | 189 | my ($self, $tunnel) = @_; |
1e3baf05 | 190 | |
e0eb1f76 | 191 | eval { $self->write_tunnel($tunnel, 30, 'quit'); }; |
1e3baf05 | 192 | my $err = $@; |
19672434 | 193 | |
97439670 | 194 | $self->finish_command_pipe($tunnel, 30); |
19672434 | 195 | |
ae194a5c | 196 | if (my $unix_sockets = $tunnel->{unix_sockets}) { |
1c9d54bf | 197 | # ssh does not clean up on local host |
ae194a5c | 198 | my $cmd = ['rm', '-f', @$unix_sockets]; |
1c9d54bf TL |
199 | PVE::Tools::run_command($cmd); |
200 | ||
201 | # .. and just to be sure check on remote side | |
202 | unshift @{$cmd}, @{$self->{rem_ssh}}; | |
203 | PVE::Tools::run_command($cmd); | |
204 | } | |
205 | ||
1e3baf05 DM |
206 | die $err if $err; |
207 | } | |
208 | ||
7d730f95 FE |
209 | sub start_remote_tunnel { |
210 | my ($self, $raddr, $rport, $ruri, $unix_socket_info) = @_; | |
211 | ||
212 | my $nodename = PVE::INotify::nodename(); | |
213 | my $migration_type = $self->{opts}->{migration_type}; | |
214 | ||
215 | if ($migration_type eq 'secure') { | |
216 | ||
217 | if ($ruri =~ /^unix:/) { | |
218 | my $ssh_forward_info = ["$raddr:$raddr"]; | |
219 | $unix_socket_info->{$raddr} = 1; | |
220 | ||
221 | my $unix_sockets = [ keys %$unix_socket_info ]; | |
222 | for my $sock (@$unix_sockets) { | |
223 | push @$ssh_forward_info, "$sock:$sock"; | |
224 | unlink $sock; | |
225 | } | |
226 | ||
227 | $self->{tunnel} = $self->fork_tunnel($ssh_forward_info); | |
228 | ||
229 | my $unix_socket_try = 0; # wait for the socket to become ready | |
230 | while ($unix_socket_try <= 100) { | |
231 | $unix_socket_try++; | |
232 | my $available = 0; | |
233 | foreach my $sock (@$unix_sockets) { | |
234 | if (-S $sock) { | |
235 | $available++; | |
236 | } | |
237 | } | |
238 | ||
239 | if ($available == @$unix_sockets) { | |
240 | last; | |
241 | } | |
242 | ||
243 | usleep(50000); | |
244 | } | |
245 | if ($unix_socket_try > 100) { | |
246 | $self->{errors} = 1; | |
247 | $self->finish_tunnel($self->{tunnel}); | |
248 | die "Timeout, migration socket $ruri did not get ready"; | |
249 | } | |
250 | $self->{tunnel}->{unix_sockets} = $unix_sockets if (@$unix_sockets); | |
251 | ||
252 | } elsif ($ruri =~ /^tcp:/) { | |
253 | my $ssh_forward_info = []; | |
254 | if ($raddr eq "localhost") { | |
255 | # for backwards compatibility with older qemu-server versions | |
256 | my $pfamily = PVE::Tools::get_host_address_family($nodename); | |
257 | my $lport = PVE::Tools::next_migrate_port($pfamily); | |
258 | push @$ssh_forward_info, "$lport:localhost:$rport"; | |
259 | } | |
260 | ||
261 | $self->{tunnel} = $self->fork_tunnel($ssh_forward_info); | |
262 | ||
263 | } else { | |
264 | die "unsupported protocol in migration URI: $ruri\n"; | |
265 | } | |
266 | } else { | |
267 | #fork tunnel for insecure migration, to send faster commands like resume | |
268 | $self->{tunnel} = $self->fork_tunnel(); | |
269 | } | |
270 | } | |
271 | ||
16e903f2 DM |
272 | sub lock_vm { |
273 | my ($self, $vmid, $code, @param) = @_; | |
f5eb281a | 274 | |
ffda963f | 275 | return PVE::QemuConfig->lock_config($vmid, $code, @param); |
16e903f2 | 276 | } |
ff1a2432 | 277 | |
16e903f2 DM |
278 | sub prepare { |
279 | my ($self, $vmid) = @_; | |
ff1a2432 | 280 | |
16e903f2 | 281 | my $online = $self->{opts}->{online}; |
3ea94c60 | 282 | |
16e903f2 | 283 | $self->{storecfg} = PVE::Storage::config(); |
3ea94c60 | 284 | |
e1fc368d | 285 | # test if VM exists |
ffda963f | 286 | my $conf = $self->{vmconf} = PVE::QemuConfig->load_config($vmid); |
3ea94c60 | 287 | |
c2c96d73 FE |
288 | my $repl_conf = PVE::ReplicationConfig->new(); |
289 | $self->{replication_jobcfg} = $repl_conf->find_local_replication_job($vmid, $self->{node}); | |
290 | $self->{is_replicated} = $repl_conf->check_for_existing_jobs($vmid, 1); | |
291 | ||
19ff3682 FE |
292 | if ($self->{replication_jobcfg} && defined($self->{replication_jobcfg}->{remove_job})) { |
293 | die "refusing to migrate replicated VM whose replication job is marked for removal\n"; | |
294 | } | |
295 | ||
ffda963f | 296 | PVE::QemuConfig->check_lock($conf); |
3ea94c60 | 297 | |
16e903f2 DM |
298 | my $running = 0; |
299 | if (my $pid = PVE::QemuServer::check_running($vmid)) { | |
b6adff33 | 300 | die "can't migrate running VM without --online\n" if !$online; |
16e903f2 | 301 | $running = $pid; |
42dbd2ee | 302 | |
c2c96d73 | 303 | if ($self->{is_replicated} && !$self->{replication_jobcfg}) { |
68980d66 FE |
304 | if ($self->{opts}->{force}) { |
305 | $self->log('warn', "WARNING: Node '$self->{node}' is not a replication target. Existing " . | |
306 | "replication jobs will fail after migration!\n"); | |
307 | } else { | |
308 | die "Cannot live-migrate replicated VM to node '$self->{node}' - not a replication " . | |
309 | "target. Use 'force' to override.\n"; | |
310 | } | |
311 | } | |
312 | ||
3392d6ca | 313 | $self->{forcemachine} = PVE::QemuServer::Machine::qemu_machine_pxe($vmid, $conf); |
7bac824e | 314 | |
58c64ad5 SR |
315 | # To support custom CPU types, we keep QEMU's "-cpu" parameter intact. |
316 | # Since the parameter itself contains no reference to a custom model, | |
317 | # this makes migration independent of changes to "cpu-models.conf". | |
318 | if ($conf->{cpu}) { | |
b53ba8d0 | 319 | my $cpuconf = PVE::JSONSchema::parse_property_string('pve-cpu-conf', $conf->{cpu}); |
58c64ad5 SR |
320 | if ($cpuconf && PVE::QemuServer::CPUConfig::is_custom_model($cpuconf->{cputype})) { |
321 | $self->{forcecpu} = PVE::QemuServer::CPUConfig::get_cpu_from_running_vm($pid); | |
322 | } | |
323 | } | |
3ea94c60 | 324 | } |
58c64ad5 | 325 | |
ca6abacf TM |
326 | my $loc_res = PVE::QemuServer::check_local_resources($conf, 1); |
327 | if (scalar @$loc_res) { | |
16e903f2 | 328 | if ($self->{running} || !$self->{opts}->{force}) { |
ca6abacf | 329 | die "can't migrate VM which uses local devices: " . join(", ", @$loc_res) . "\n"; |
16e903f2 DM |
330 | } else { |
331 | $self->log('info', "migrating VM which uses local devices"); | |
332 | } | |
3ea94c60 DM |
333 | } |
334 | ||
ff1a2432 | 335 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); |
16e903f2 | 336 | |
29701766 FG |
337 | foreach my $volid (@$vollist) { |
338 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1); | |
339 | ||
340 | # check if storage is available on both nodes | |
bf8fc5a3 | 341 | my $targetsid = PVE::QemuServer::map_storage($self->{opts}->{storagemap}, $sid); |
b74cad8a | 342 | |
29701766 | 343 | my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $sid); |
b74cad8a | 344 | PVE::Storage::storage_check_node($self->{storecfg}, $targetsid, $self->{node}); |
73f5ee92 FG |
345 | |
346 | if ($scfg->{shared}) { | |
347 | # PVE::Storage::activate_storage checks this for non-shared storages | |
348 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
349 | warn "Used shared storage '$sid' is not online on source node!\n" | |
350 | if !$plugin->check_connection($sid, $scfg); | |
73f5ee92 | 351 | } |
29701766 | 352 | } |
3ea94c60 DM |
353 | |
354 | # test ssh connection | |
16e903f2 DM |
355 | my $cmd = [ @{$self->{rem_ssh}}, '/bin/true' ]; |
356 | eval { $self->cmd_quiet($cmd); }; | |
3ea94c60 | 357 | die "Can't connect to destination address using public key\n" if $@; |
ff1a2432 | 358 | |
16e903f2 | 359 | return $running; |
3ea94c60 DM |
360 | } |
361 | ||
d10b78f4 | 362 | sub scan_local_volumes { |
16e903f2 DM |
363 | my ($self, $vmid) = @_; |
364 | ||
16e903f2 DM |
365 | my $conf = $self->{vmconf}; |
366 | ||
dabf2473 | 367 | # local volumes which have been copied |
37666e4c | 368 | # and their old_id => new_id pairs |
37666e4c | 369 | $self->{volume_map} = {}; |
d10b78f4 | 370 | $self->{local_volumes} = {}; |
3ea94c60 | 371 | |
b10afa31 | 372 | my $storecfg = $self->{storecfg}; |
3ea94c60 DM |
373 | eval { |
374 | ||
dabf2473 | 375 | # found local volumes and their origin |
d10b78f4 | 376 | my $local_volumes = $self->{local_volumes}; |
5bf7f0f1 FG |
377 | my $local_volumes_errors = {}; |
378 | my $other_errors = []; | |
379 | my $abort = 0; | |
3ea94c60 | 380 | |
5bf7f0f1 FG |
381 | my $log_error = sub { |
382 | my ($msg, $volid) = @_; | |
383 | ||
384 | if (defined($volid)) { | |
385 | $local_volumes_errors->{$volid} = $msg; | |
386 | } else { | |
387 | push @$other_errors, $msg; | |
388 | } | |
389 | $abort = 1; | |
390 | }; | |
391 | ||
b10afa31 | 392 | my @sids = PVE::Storage::storage_ids($storecfg); |
86638cc2 | 393 | foreach my $storeid (@sids) { |
b10afa31 | 394 | my $scfg = PVE::Storage::storage_config($storecfg, $storeid); |
86638cc2 | 395 | next if $scfg->{shared}; |
b10afa31 | 396 | next if !PVE::Storage::storage_check_enabled($storecfg, $storeid, undef, 1); |
373ea579 | 397 | |
86638cc2 | 398 | # get list from PVE::Storage (for unused volumes) |
b10afa31 | 399 | my $dl = PVE::Storage::vdisk_list($storecfg, $storeid, $vmid); |
89719f98 FG |
400 | |
401 | next if @{$dl->{$storeid}} == 0; | |
402 | ||
bf8fc5a3 | 403 | my $targetsid = PVE::QemuServer::map_storage($self->{opts}->{storagemap}, $storeid); |
86638cc2 | 404 | # check if storage is available on target node |
b10afa31 | 405 | PVE::Storage::storage_check_node($storecfg, $targetsid, $self->{node}); |
89719f98 | 406 | |
bf8fc5a3 FG |
407 | # grandfather in existing mismatches |
408 | if ($targetsid ne $storeid) { | |
409 | my $target_scfg = PVE::Storage::storage_config($storecfg, $targetsid); | |
410 | die "content type 'images' is not available on storage '$targetsid'\n" | |
411 | if !$target_scfg->{content}->{images}; | |
412 | } | |
413 | ||
c3417e3b FE |
414 | my $bwlimit = PVE::Storage::get_bandwidth_limit( |
415 | 'migration', | |
416 | [$targetsid, $storeid], | |
417 | $self->{opts}->{bwlimit}, | |
418 | ); | |
419 | ||
86638cc2 | 420 | PVE::Storage::foreach_volid($dl, sub { |
5eca0c36 | 421 | my ($volid, $sid, $volinfo) = @_; |
80b2cbd1 | 422 | |
6f58fce9 | 423 | $local_volumes->{$volid}->{ref} = 'storage'; |
62a4c963 | 424 | $local_volumes->{$volid}->{size} = $volinfo->{size}; |
c3417e3b FE |
425 | $local_volumes->{$volid}->{targetsid} = $targetsid; |
426 | $local_volumes->{$volid}->{bwlimit} = $bwlimit; | |
5eca0c36 FE |
427 | |
428 | # If with_snapshots is not set for storage migrate, it tries to use | |
429 | # a raw+size stream, but on-the-fly conversion from qcow2 to raw+size | |
430 | # back to qcow2 is currently not possible. | |
431 | $local_volumes->{$volid}->{snapshots} = ($volinfo->{format} =~ /^(?:qcow2|vmdk)$/); | |
0ad295f9 | 432 | $local_volumes->{$volid}->{format} = $volinfo->{format}; |
86638cc2 FG |
433 | }); |
434 | } | |
3ea94c60 | 435 | |
c2c96d73 | 436 | my $replicatable_volumes = !$self->{replication_jobcfg} ? {} |
2cd808d3 | 437 | : PVE::QemuConfig->get_replicatable_volumes($storecfg, $vmid, $conf, 0, 1); |
4b26ffbf FE |
438 | foreach my $volid (keys %{$replicatable_volumes}) { |
439 | $local_volumes->{$volid}->{replicated} = 1; | |
440 | } | |
b9f44d27 | 441 | |
3629c19d | 442 | my $test_volid = sub { |
aee6abe5 | 443 | my ($volid, $attr) = @_; |
3ea94c60 | 444 | |
5bf7f0f1 | 445 | if ($volid =~ m|^/|) { |
ec82e3ee | 446 | return if $attr->{shared}; |
6f58fce9 | 447 | $local_volumes->{$volid}->{ref} = 'config'; |
5bf7f0f1 FG |
448 | die "local file/device\n"; |
449 | } | |
3ea94c60 | 450 | |
aee6abe5 DM |
451 | my $snaprefs = $attr->{referenced_in_snapshot}; |
452 | ||
453 | if ($attr->{cdrom}) { | |
5bf7f0f1 FG |
454 | if ($volid eq 'cdrom') { |
455 | my $msg = "can't migrate local cdrom drive"; | |
5009a8c7 | 456 | if (defined($snaprefs) && !$attr->{referenced_in_config}) { |
aee6abe5 | 457 | my $snapnames = join(', ', sort keys %$snaprefs); |
5009a8c7 | 458 | $msg .= " (referenced in snapshot - $snapnames)"; |
aee6abe5 | 459 | } |
5bf7f0f1 FG |
460 | &$log_error("$msg\n"); |
461 | return; | |
462 | } | |
3ea94c60 | 463 | return if $volid eq 'none'; |
3ea94c60 DM |
464 | } |
465 | ||
466 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
467 | ||
bf8fc5a3 | 468 | my $targetsid = PVE::QemuServer::map_storage($self->{opts}->{storagemap}, $sid); |
16e903f2 | 469 | # check if storage is available on both nodes |
b10afa31 TL |
470 | my $scfg = PVE::Storage::storage_check_node($storecfg, $sid); |
471 | PVE::Storage::storage_check_node($storecfg, $targetsid, $self->{node}); | |
3ea94c60 DM |
472 | |
473 | return if $scfg->{shared}; | |
474 | ||
6f58fce9 | 475 | $local_volumes->{$volid}->{ref} = $attr->{referenced_in_config} ? 'config' : 'snapshot'; |
ae180b8f | 476 | $local_volumes->{$volid}->{ref} = 'storage' if $attr->{is_unused}; |
d62fcf74 | 477 | |
cc1a3820 FE |
478 | $local_volumes->{$volid}->{is_vmstate} = $attr->{is_vmstate} ? 1 : 0; |
479 | ||
a6be63ac FE |
480 | $local_volumes->{$volid}->{drivename} = $attr->{drivename} |
481 | if $attr->{drivename}; | |
482 | ||
9e93a63f ML |
483 | if ($attr->{cdrom}) { |
484 | if ($volid =~ /vm-\d+-cloudinit/) { | |
485 | $local_volumes->{$volid}->{ref} = 'generated'; | |
486 | return; | |
487 | } | |
488 | die "local cdrom image\n"; | |
489 | } | |
3629c19d | 490 | |
b10afa31 | 491 | my ($path, $owner) = PVE::Storage::path($storecfg, $volid); |
3ea94c60 | 492 | |
5bf7f0f1 | 493 | die "owned by other VM (owner = VM $owner)\n" |
b10afa31 | 494 | if !$owner || ($owner != $vmid); |
3ea94c60 | 495 | |
b24f07d4 FE |
496 | return if $attr->{is_vmstate}; |
497 | ||
aee6abe5 | 498 | if (defined($snaprefs)) { |
5eca0c36 FE |
499 | $local_volumes->{$volid}->{snapshots} = 1; |
500 | ||
3629c19d DM |
501 | # we cannot migrate shapshots on local storage |
502 | # exceptions: 'zfspool' or 'qcow2' files (on directory storage) | |
503 | ||
b74cad8a | 504 | die "online storage migration not possible if snapshot exists\n" if $self->{running}; |
0ad295f9 | 505 | if (!($scfg->{type} eq 'zfspool' || $local_volumes->{$volid}->{format} eq 'qcow2')) { |
5bf7f0f1 | 506 | die "non-migratable snapshot exists\n"; |
3629c19d | 507 | } |
3629c19d | 508 | } |
3a7bc9e2 FG |
509 | |
510 | die "referenced by linked clone(s)\n" | |
b10afa31 | 511 | if PVE::Storage::volume_is_base_and_used($storecfg, $volid); |
3629c19d DM |
512 | }; |
513 | ||
aee6abe5 DM |
514 | PVE::QemuServer::foreach_volid($conf, sub { |
515 | my ($volid, $attr) = @_; | |
516 | eval { $test_volid->($volid, $attr); }; | |
517 | if (my $err = $@) { | |
518 | &$log_error($err, $volid); | |
519 | } | |
520 | }); | |
3ea94c60 | 521 | |
dabf2473 | 522 | foreach my $vol (sort keys %$local_volumes) { |
b9f44d27 | 523 | my $type = $replicatable_volumes->{$vol} ? 'local, replicated' : 'local'; |
6f58fce9 WB |
524 | my $ref = $local_volumes->{$vol}->{ref}; |
525 | if ($ref eq 'storage') { | |
b9f44d27 | 526 | $self->log('info', "found $type disk '$vol' (via storage)\n"); |
6f58fce9 | 527 | } elsif ($ref eq 'config') { |
dbc9420b DM |
528 | &$log_error("can't live migrate attached local disks without with-local-disks option\n", $vol) |
529 | if $self->{running} && !$self->{opts}->{"with-local-disks"}; | |
b9f44d27 | 530 | $self->log('info', "found $type disk '$vol' (in current VM config)\n"); |
6f58fce9 | 531 | } elsif ($ref eq 'snapshot') { |
b9f44d27 | 532 | $self->log('info', "found $type disk '$vol' (referenced by snapshot(s))\n"); |
9e93a63f ML |
533 | } elsif ($ref eq 'generated') { |
534 | $self->log('info', "found generated disk '$vol' (in current VM config)\n"); | |
d62fcf74 | 535 | } else { |
b9f44d27 | 536 | $self->log('info', "found $type disk '$vol'\n"); |
d62fcf74 FG |
537 | } |
538 | } | |
539 | ||
5bf7f0f1 FG |
540 | foreach my $vol (sort keys %$local_volumes_errors) { |
541 | $self->log('warn', "can't migrate local disk '$vol': $local_volumes_errors->{$vol}"); | |
542 | } | |
543 | foreach my $err (@$other_errors) { | |
544 | $self->log('warn', "$err"); | |
545 | } | |
546 | ||
5bf7f0f1 FG |
547 | if ($abort) { |
548 | die "can't migrate VM - check log\n"; | |
549 | } | |
550 | ||
c4d2d6c1 | 551 | # additional checks for local storage |
dabf2473 | 552 | foreach my $volid (keys %$local_volumes) { |
3ea94c60 | 553 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); |
b10afa31 | 554 | my $scfg = PVE::Storage::storage_config($storecfg, $sid); |
3ea94c60 | 555 | |
dad06e20 | 556 | my $migratable = $scfg->{type} =~ /^(?:dir|zfspool|lvmthin|lvm)$/; |
c4d2d6c1 | 557 | |
37a6dc78 | 558 | die "can't migrate '$volid' - storage type '$scfg->{type}' not supported\n" |
c4d2d6c1 | 559 | if !$migratable; |
d5604092 | 560 | |
c4d2d6c1 | 561 | # image is a linked clone on local storage, se we can't migrate. |
b10afa31 | 562 | if (my $basename = (PVE::Storage::parse_volname($storecfg, $volid))[3]) { |
c4d2d6c1 | 563 | die "can't migrate '$volid' as it's a clone of '$basename'"; |
d5604092 | 564 | } |
3ea94c60 DM |
565 | } |
566 | ||
eb3acec8 | 567 | foreach my $volid (sort keys %$local_volumes) { |
9e93a63f ML |
568 | my $ref = $local_volumes->{$volid}->{ref}; |
569 | if ($self->{running} && $ref eq 'config') { | |
efe0d457 | 570 | $local_volumes->{$volid}->{migration_mode} = 'online'; |
ad8b9d5e FE |
571 | } elsif ($self->{running} && $ref eq 'generated') { |
572 | die "can't live migrate VM with local cloudinit disk. use a shared storage instead\n"; | |
b74cad8a | 573 | } else { |
d10b78f4 | 574 | $local_volumes->{$volid}->{migration_mode} = 'offline'; |
b74cad8a | 575 | } |
3ea94c60 DM |
576 | } |
577 | }; | |
d10b78f4 FE |
578 | die "Problem found while scanning volumes - $@" if $@; |
579 | } | |
580 | ||
a6be63ac FE |
581 | sub handle_replication { |
582 | my ($self, $vmid) = @_; | |
583 | ||
584 | my $conf = $self->{vmconf}; | |
585 | my $local_volumes = $self->{local_volumes}; | |
586 | ||
587 | return if !$self->{replication_jobcfg}; | |
588 | if ($self->{running}) { | |
589 | ||
590 | my $version = PVE::QemuServer::kvm_user_version(); | |
591 | if (!min_version($version, 4, 2)) { | |
592 | die "can't live migrate VM with replicated volumes, pve-qemu to old (< 4.2)!\n" | |
593 | } | |
594 | ||
595 | my @live_replicatable_volumes = $self->filter_local_volumes('online', 1); | |
596 | foreach my $volid (@live_replicatable_volumes) { | |
597 | my $drive = $local_volumes->{$volid}->{drivename}; | |
598 | die "internal error - no drive for '$volid'\n" if !defined($drive); | |
599 | ||
600 | my $bitmap = "repl_$drive"; | |
601 | ||
602 | # start tracking before replication to get full delta + a few duplicates | |
603 | $self->log('info', "$drive: start tracking writes using block-dirty-bitmap '$bitmap'"); | |
604 | mon_cmd($vmid, 'block-dirty-bitmap-add', node => "drive-$drive", name => $bitmap); | |
605 | ||
606 | # other info comes from target node in phase 2 | |
607 | $self->{target_drive}->{$drive}->{bitmap} = $bitmap; | |
608 | } | |
609 | } | |
610 | $self->log('info', "replicating disk images"); | |
611 | ||
612 | my $start_time = time(); | |
613 | my $logfunc = sub { $self->log('info', shift) }; | |
614 | my $actual_replicated_volumes = PVE::Replication::run_replication( | |
615 | 'PVE::QemuConfig', $self->{replication_jobcfg}, $start_time, $start_time, $logfunc); | |
616 | ||
617 | # extra safety check | |
618 | my @replicated_volumes = $self->filter_local_volumes(undef, 1); | |
619 | foreach my $volid (@replicated_volumes) { | |
620 | die "expected volume '$volid' to get replicated, but it wasn't\n" | |
621 | if !$actual_replicated_volumes->{$volid}; | |
622 | } | |
623 | } | |
624 | ||
3276a434 FE |
625 | sub config_update_local_disksizes { |
626 | my ($self) = @_; | |
627 | ||
628 | my $conf = $self->{vmconf}; | |
629 | my $local_volumes = $self->{local_volumes}; | |
630 | ||
631 | PVE::QemuConfig->foreach_volume($conf, sub { | |
632 | my ($key, $drive) = @_; | |
633 | return if $key eq 'efidisk0'; # skip efidisk, will be handled later | |
634 | ||
635 | my $volid = $drive->{file}; | |
636 | return if !defined($local_volumes->{$volid}); # only update sizes for local volumes | |
637 | ||
638 | my ($updated, $msg) = PVE::QemuServer::Drive::update_disksize($drive, $local_volumes->{$volid}->{size}); | |
639 | if (defined($updated)) { | |
640 | $conf->{$key} = PVE::QemuServer::print_drive($updated); | |
641 | $self->log('info', "drive '$key': $msg"); | |
642 | } | |
643 | }); | |
644 | ||
645 | # we want to set the efidisk size in the config to the size of the | |
646 | # real OVMF_VARS.fd image, else we can create a too big image, which does not work | |
647 | if (defined($conf->{efidisk0})) { | |
648 | PVE::QemuServer::update_efidisk_size($conf); | |
649 | } | |
650 | } | |
651 | ||
d10b78f4 | 652 | sub filter_local_volumes { |
4b26ffbf | 653 | my ($self, $migration_mode, $replicated) = @_; |
d10b78f4 FE |
654 | |
655 | my $volumes = $self->{local_volumes}; | |
656 | my @filtered_volids; | |
657 | ||
658 | foreach my $volid (sort keys %{$volumes}) { | |
659 | next if defined($migration_mode) && safe_string_ne($volumes->{$volid}->{migration_mode}, $migration_mode); | |
4b26ffbf | 660 | next if defined($replicated) && safe_boolean_ne($volumes->{$volid}->{replicated}, $replicated); |
d10b78f4 FE |
661 | push @filtered_volids, $volid; |
662 | } | |
663 | ||
664 | return @filtered_volids; | |
665 | } | |
666 | ||
667 | sub sync_offline_local_volumes { | |
668 | my ($self) = @_; | |
669 | ||
670 | my $local_volumes = $self->{local_volumes}; | |
4b26ffbf | 671 | my @volids = $self->filter_local_volumes('offline', 0); |
d10b78f4 FE |
672 | |
673 | my $storecfg = $self->{storecfg}; | |
674 | my $opts = $self->{opts}; | |
675 | ||
676 | $self->log('info', "copying local disk images") if scalar(@volids); | |
677 | ||
678 | foreach my $volid (@volids) { | |
c3417e3b FE |
679 | my $targetsid = $local_volumes->{$volid}->{targetsid}; |
680 | my $bwlimit = $local_volumes->{$volid}->{bwlimit}; | |
681 | $bwlimit = $bwlimit * 1024 if defined($bwlimit); # storage_migrate uses bps | |
d10b78f4 FE |
682 | |
683 | my $storage_migrate_opts = { | |
684 | 'ratelimit_bps' => $bwlimit, | |
685 | 'insecure' => $opts->{migration_type} eq 'insecure', | |
686 | 'with_snapshots' => $local_volumes->{$volid}->{snapshots}, | |
687 | 'allow_rename' => !$local_volumes->{$volid}->{is_vmstate}, | |
688 | }; | |
689 | ||
690 | my $logfunc = sub { $self->log('info', $_[0]); }; | |
691 | my $new_volid = eval { | |
692 | PVE::Storage::storage_migrate($storecfg, $volid, $self->{ssh_info}, | |
693 | $targetsid, $storage_migrate_opts, $logfunc); | |
694 | }; | |
695 | if (my $err = $@) { | |
696 | die "storage migration for '$volid' to storage '$targetsid' failed - $err\n"; | |
697 | } | |
698 | ||
699 | $self->{volume_map}->{$volid} = $new_volid; | |
700 | $self->log('info', "volume '$volid' is '$new_volid' on the target\n"); | |
701 | ||
702 | eval { PVE::Storage::deactivate_volumes($storecfg, [$volid]); }; | |
703 | if (my $err = $@) { | |
704 | $self->log('warn', $err); | |
705 | } | |
706 | } | |
3ea94c60 DM |
707 | } |
708 | ||
b74cad8a AD |
709 | sub cleanup_remotedisks { |
710 | my ($self) = @_; | |
711 | ||
4b26ffbf FE |
712 | my $local_volumes = $self->{local_volumes}; |
713 | ||
eb5751ba | 714 | foreach my $volid (values %{$self->{volume_map}}) { |
9b6efe43 | 715 | # don't clean up replicated disks! |
4b26ffbf | 716 | next if $local_volumes->{$volid}->{replicated}; |
b74cad8a | 717 | |
eb5751ba | 718 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid); |
b74cad8a AD |
719 | |
720 | my $cmd = [@{$self->{rem_ssh}}, 'pvesm', 'free', "$storeid:$volname"]; | |
721 | ||
722 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
723 | if (my $err = $@) { | |
724 | $self->log('err', $err); | |
725 | $self->{errors} = 1; | |
726 | } | |
727 | } | |
728 | } | |
729 | ||
9b6efe43 FG |
730 | sub cleanup_bitmaps { |
731 | my ($self) = @_; | |
7f5fb49a | 732 | foreach my $drive (keys %{$self->{target_drive}}) { |
9b6efe43 FG |
733 | my $bitmap = $self->{target_drive}->{$drive}->{bitmap}; |
734 | next if !$bitmap; | |
735 | $self->log('info', "$drive: removing block-dirty-bitmap '$bitmap'"); | |
736 | mon_cmd($self->{vmid}, 'block-dirty-bitmap-remove', node => "drive-$drive", name => $bitmap); | |
737 | } | |
738 | } | |
739 | ||
1e3baf05 | 740 | sub phase1 { |
16e903f2 | 741 | my ($self, $vmid) = @_; |
1e3baf05 | 742 | |
16e903f2 | 743 | $self->log('info', "starting migration of VM $vmid to node '$self->{node}' ($self->{nodeip})"); |
1e3baf05 | 744 | |
16e903f2 | 745 | my $conf = $self->{vmconf}; |
1e3baf05 DM |
746 | |
747 | # set migrate lock in config file | |
1858638f | 748 | $conf->{lock} = 'migrate'; |
ffda963f | 749 | PVE::QemuConfig->write_config($vmid, $conf); |
1e3baf05 | 750 | |
d10b78f4 | 751 | $self->scan_local_volumes($vmid); |
3276a434 FE |
752 | |
753 | # fix disk sizes to match their actual size and write changes, | |
754 | # so that the target allocates the correct volumes | |
755 | $self->config_update_local_disksizes(); | |
68b108ee | 756 | PVE::QemuConfig->write_config($vmid, $conf); |
d10b78f4 | 757 | |
a6be63ac FE |
758 | $self->handle_replication($vmid); |
759 | ||
d10b78f4 | 760 | $self->sync_offline_local_volumes(); |
1e3baf05 DM |
761 | }; |
762 | ||
16e903f2 DM |
763 | sub phase1_cleanup { |
764 | my ($self, $vmid, $err) = @_; | |
765 | ||
766 | $self->log('info', "aborting phase 1 - cleanup resources"); | |
767 | ||
1858638f DM |
768 | my $conf = $self->{vmconf}; |
769 | delete $conf->{lock}; | |
ffda963f | 770 | eval { PVE::QemuConfig->write_config($vmid, $conf) }; |
16e903f2 DM |
771 | if (my $err = $@) { |
772 | $self->log('err', $err); | |
773 | } | |
f5eb281a | 774 | |
eb5751ba FE |
775 | eval { $self->cleanup_remotedisks() }; |
776 | if (my $err = $@) { | |
777 | $self->log('err', $err); | |
16e903f2 | 778 | } |
9b6efe43 FG |
779 | |
780 | eval { $self->cleanup_bitmaps() }; | |
781 | if (my $err =$@) { | |
782 | $self->log('err', $err); | |
783 | } | |
16e903f2 DM |
784 | } |
785 | ||
1e3baf05 | 786 | sub phase2 { |
16e903f2 | 787 | my ($self, $vmid) = @_; |
1e3baf05 | 788 | |
16e903f2 | 789 | my $conf = $self->{vmconf}; |
c3417e3b | 790 | my $local_volumes = $self->{local_volumes}; |
efe0d457 FE |
791 | my @online_local_volumes = $self->filter_local_volumes('online'); |
792 | ||
793 | $self->{storage_migration} = 1 if scalar(@online_local_volumes); | |
16e903f2 | 794 | |
46a84fd4 | 795 | $self->log('info', "starting VM $vmid on remote node '$self->{node}'"); |
1e3baf05 | 796 | |
5bc1e039 | 797 | my $raddr; |
1e3baf05 | 798 | my $rport; |
1c9d54bf | 799 | my $ruri; # the whole migration dst. URI (protocol:address[:port]) |
7e8dcf2c AD |
800 | my $nodename = PVE::INotify::nodename(); |
801 | ||
19672434 | 802 | ## start on remote node |
95a4b4a9 AD |
803 | my $cmd = [@{$self->{rem_ssh}}]; |
804 | ||
7c14dcae | 805 | my $spice_ticket; |
86b8228b | 806 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
0a13e08e | 807 | my $res = mon_cmd($vmid, 'query-spice'); |
7c14dcae | 808 | $spice_ticket = $res->{ticket}; |
95a4b4a9 AD |
809 | } |
810 | ||
1c9d54bf TL |
811 | push @$cmd , 'qm', 'start', $vmid, '--skiplock', '--migratedfrom', $nodename; |
812 | ||
f1c2a53a | 813 | my $migration_type = $self->{opts}->{migration_type}; |
2de2d6f7 TL |
814 | |
815 | push @$cmd, '--migration_type', $migration_type; | |
816 | ||
817 | push @$cmd, '--migration_network', $self->{opts}->{migration_network} | |
818 | if $self->{opts}->{migration_network}; | |
819 | ||
820 | if ($migration_type eq 'insecure') { | |
1c9d54bf TL |
821 | push @$cmd, '--stateuri', 'tcp'; |
822 | } else { | |
823 | push @$cmd, '--stateuri', 'unix'; | |
824 | } | |
95a4b4a9 | 825 | |
42668529 DM |
826 | if ($self->{forcemachine}) { |
827 | push @$cmd, '--machine', $self->{forcemachine}; | |
828 | } | |
829 | ||
58c64ad5 SR |
830 | if ($self->{forcecpu}) { |
831 | push @$cmd, '--force-cpu', $self->{forcecpu}; | |
832 | } | |
833 | ||
efe0d457 | 834 | if ($self->{storage_migration}) { |
4530494b | 835 | push @$cmd, '--targetstorage', ($self->{opts}->{targetstorage} // '1'); |
b74cad8a AD |
836 | } |
837 | ||
86b8228b | 838 | my $spice_port; |
ae194a5c | 839 | my $unix_socket_info = {}; |
7827de41 ML |
840 | # version > 0 for unix socket support |
841 | my $nbd_protocol_version = 1; | |
ff09c795 ML |
842 | # TODO change to 'spice_ticket: <ticket>\n' in 7.0 |
843 | my $input = $spice_ticket ? "$spice_ticket\n" : "\n"; | |
844 | $input .= "nbd_protocol_version: $nbd_protocol_version\n"; | |
cee620e6 | 845 | |
4b26ffbf FE |
846 | my @online_replicated_volumes = $self->filter_local_volumes('online', 1); |
847 | foreach my $volid (@online_replicated_volumes) { | |
efe0d457 | 848 | $input .= "replicated_volume: $volid\n"; |
88126be3 FG |
849 | } |
850 | ||
efbbe59d FE |
851 | my $handle_storage_migration_listens = sub { |
852 | my ($drive_key, $drivestr, $nbd_uri) = @_; | |
853 | ||
854 | $self->{stopnbd} = 1; | |
855 | $self->{target_drive}->{$drive_key}->{drivestr} = $drivestr; | |
856 | $self->{target_drive}->{$drive_key}->{nbd_uri} = $nbd_uri; | |
857 | ||
858 | my $source_drive = PVE::QemuServer::parse_drive($drive_key, $conf->{$drive_key}); | |
859 | my $target_drive = PVE::QemuServer::parse_drive($drive_key, $drivestr); | |
860 | my $source_volid = $source_drive->{file}; | |
861 | my $target_volid = $target_drive->{file}; | |
862 | ||
863 | $self->{volume_map}->{$source_volid} = $target_volid; | |
864 | $self->log('info', "volume '$source_volid' is '$target_volid' on the target\n"); | |
865 | }; | |
866 | ||
88126be3 | 867 | my $target_replicated_volumes = {}; |
86b8228b | 868 | |
7c14dcae DM |
869 | # Note: We try to keep $spice_ticket secret (do not pass via command line parameter) |
870 | # instead we pipe it through STDIN | |
7827de41 | 871 | my $exitcode = PVE::Tools::run_command($cmd, input => $input, outfunc => sub { |
1e3baf05 DM |
872 | my $line = shift; |
873 | ||
407e0b8b | 874 | if ($line =~ m/^migration listens on tcp:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+)$/) { |
5bc1e039 SP |
875 | $raddr = $1; |
876 | $rport = int($2); | |
1c9d54bf TL |
877 | $ruri = "tcp:$raddr:$rport"; |
878 | } | |
879 | elsif ($line =~ m!^migration listens on unix:(/run/qemu-server/(\d+)\.migrate)$!) { | |
880 | $raddr = $1; | |
881 | die "Destination UNIX sockets VMID does not match source VMID" if $vmid ne $2; | |
882 | $ruri = "unix:$raddr"; | |
5bc1e039 SP |
883 | } |
884 | elsif ($line =~ m/^migration listens on port (\d+)$/) { | |
885 | $raddr = "localhost"; | |
86b8228b | 886 | $rport = int($1); |
1c9d54bf | 887 | $ruri = "tcp:$raddr:$rport"; |
5bc1e039 | 888 | } |
f3a483b6 | 889 | elsif ($line =~ m/^spice listens on port (\d+)$/) { |
86b8228b | 890 | $spice_port = int($1); |
1e3baf05 | 891 | } |
769f187d | 892 | elsif ($line =~ m/^storage migration listens on nbd:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+):exportname=(\S+) volume:(\S+)$/) { |
8b02e568 | 893 | my $drivestr = $4; |
b74cad8a AD |
894 | my $nbd_uri = "nbd:$1:$2:exportname=$3"; |
895 | my $targetdrive = $3; | |
896 | $targetdrive =~ s/drive-//g; | |
897 | ||
efbbe59d | 898 | $handle_storage_migration_listens->($targetdrive, $drivestr, $nbd_uri); |
7827de41 ML |
899 | } elsif ($line =~ m!^storage migration listens on nbd:unix:(/run/qemu-server/(\d+)_nbd\.migrate):exportname=(\S+) volume:(\S+)$!) { |
900 | my $drivestr = $4; | |
901 | die "Destination UNIX socket's VMID does not match source VMID" if $vmid ne $2; | |
902 | my $nbd_unix_addr = $1; | |
903 | my $nbd_uri = "nbd:unix:$nbd_unix_addr:exportname=$3"; | |
904 | my $targetdrive = $3; | |
905 | $targetdrive =~ s/drive-//g; | |
b74cad8a | 906 | |
efbbe59d | 907 | $handle_storage_migration_listens->($targetdrive, $drivestr, $nbd_uri); |
ae194a5c | 908 | $unix_socket_info->{$nbd_unix_addr} = 1; |
88126be3 FG |
909 | } elsif ($line =~ m/^re-using replicated volume: (\S+) - (.*)$/) { |
910 | my $drive = $1; | |
911 | my $volid = $2; | |
912 | $target_replicated_volumes->{$volid} = $drive; | |
8bf30c2a SR |
913 | } elsif ($line =~ m/^QEMU: (.*)$/) { |
914 | $self->log('info', "[$self->{node}] $1\n"); | |
b74cad8a | 915 | } |
ab399b7c AD |
916 | }, errfunc => sub { |
917 | my $line = shift; | |
8bf30c2a | 918 | $self->log('info', "[$self->{node}] $line"); |
6e0216d8 SR |
919 | }, noerr => 1); |
920 | ||
921 | die "remote command failed with exit code $exitcode\n" if $exitcode; | |
1e3baf05 | 922 | |
5bc1e039 | 923 | die "unable to detect remote migration address\n" if !$raddr; |
1ef75254 | 924 | |
4b26ffbf | 925 | if (scalar(keys %$target_replicated_volumes) != scalar(@online_replicated_volumes)) { |
88126be3 FG |
926 | die "number of replicated disks on source and target node do not match - target node too old?\n" |
927 | } | |
928 | ||
d296ed08 | 929 | $self->log('info', "start remote tunnel"); |
7d730f95 | 930 | $self->start_remote_tunnel($raddr, $rport, $ruri, $unix_socket_info); |
d296ed08 | 931 | |
efe0d457 | 932 | if ($self->{storage_migration}) { |
b74cad8a AD |
933 | $self->{storage_migration_jobs} = {}; |
934 | $self->log('info', "starting storage migration"); | |
935 | ||
bd2d5fe6 | 936 | die "The number of local disks does not match between the source and the destination.\n" |
efe0d457 | 937 | if (scalar(keys %{$self->{target_drive}}) != scalar(@online_local_volumes)); |
b74cad8a | 938 | foreach my $drive (keys %{$self->{target_drive}}){ |
d189e590 SI |
939 | my $target = $self->{target_drive}->{$drive}; |
940 | my $nbd_uri = $target->{nbd_uri}; | |
683ab654 | 941 | |
1764fa05 | 942 | my $source_drive = PVE::QemuServer::parse_drive($drive, $conf->{$drive}); |
97ece9dd | 943 | my $source_volid = $source_drive->{file}; |
97ece9dd | 944 | |
c3417e3b | 945 | my $bwlimit = $local_volumes->{$source_volid}->{bwlimit}; |
9b6efe43 | 946 | my $bitmap = $target->{bitmap}; |
d189e590 | 947 | |
d108cb1e | 948 | $self->log('info', "$drive: start migration to $nbd_uri"); |
9b6efe43 | 949 | PVE::QemuServer::qemu_drive_mirror($vmid, $drive, $nbd_uri, $vmid, undef, $self->{storage_migration_jobs}, 'skip', undef, $bwlimit, $bitmap); |
b74cad8a AD |
950 | } |
951 | } | |
952 | ||
1c9d54bf | 953 | $self->log('info', "starting online/live migration on $ruri"); |
5bc1e039 | 954 | $self->{livemigration} = 1; |
e18b0b99 | 955 | |
3beb415b AD |
956 | # load_defaults |
957 | my $defaults = PVE::QemuServer::load_defaults(); | |
958 | ||
7de328c6 TL |
959 | $self->log('info', "set migration capabilities"); |
960 | eval { PVE::QemuServer::set_migration_caps($vmid) }; | |
485449e3 SR |
961 | warn $@ if $@; |
962 | ||
963 | my $qemu_migrate_params = {}; | |
964 | ||
ddd664d7 SI |
965 | # migrate speed can be set via bwlimit (datacenter.cfg and API) and via the |
966 | # migrate_speed parameter in qm.conf - take the lower of the two. | |
c3417e3b | 967 | my $bwlimit = PVE::Storage::get_bandwidth_limit('migration', undef, $self->{opts}->{bwlimit}) // 0; |
2c4ba4c3 | 968 | my $migrate_speed = $conf->{migrate_speed} // 0; |
ddd664d7 SI |
969 | # migrate_speed is in MB/s, bwlimit in KB/s |
970 | $migrate_speed *= 1024; | |
971 | ||
2c4ba4c3 FE |
972 | if ($bwlimit && $migrate_speed) { |
973 | $migrate_speed = ($bwlimit < $migrate_speed) ? $bwlimit : $migrate_speed; | |
974 | } else { | |
975 | $migrate_speed ||= $bwlimit; | |
976 | } | |
a89bd100 | 977 | $migrate_speed ||= ($defaults->{migrate_speed} || 0) * 1024; |
ddd664d7 | 978 | |
a89bd100 TL |
979 | if ($migrate_speed) { |
980 | $migrate_speed *= 1024; # qmp takes migrate_speed in B/s. | |
0fca250a | 981 | $self->log('info', "migration speed limit: ". render_bytes($migrate_speed, 1) ."/s"); |
a89bd100 TL |
982 | $qemu_migrate_params->{'max-bandwidth'} = int($migrate_speed); |
983 | } | |
3beb415b AD |
984 | |
985 | my $migrate_downtime = $defaults->{migrate_downtime}; | |
986 | $migrate_downtime = $conf->{migrate_downtime} if defined($conf->{migrate_downtime}); | |
c05f1b33 SR |
987 | # migrate-set-parameters expects limit in ms |
988 | $migrate_downtime *= 1000; | |
989 | $self->log('info', "migration downtime limit: $migrate_downtime ms"); | |
990 | $qemu_migrate_params->{'downtime-limit'} = int($migrate_downtime); | |
3beb415b | 991 | |
171ed95c EK |
992 | # set cachesize to 10% of the total memory |
993 | my $memory = $conf->{memory} || $defaults->{memory}; | |
994 | my $cachesize = int($memory * 1048576 / 10); | |
50d8dd5d AD |
995 | $cachesize = round_powerof2($cachesize); |
996 | ||
0fca250a | 997 | $self->log('info', "migration cachesize: " . render_bytes($cachesize, 1)); |
485449e3 SR |
998 | $qemu_migrate_params->{'xbzrle-cache-size'} = int($cachesize); |
999 | ||
1000 | $self->log('info', "set migration parameters"); | |
e18b0b99 | 1001 | eval { |
485449e3 | 1002 | mon_cmd($vmid, "migrate-set-parameters", %{$qemu_migrate_params}); |
e18b0b99 | 1003 | }; |
485449e3 | 1004 | $self->log('info', "migrate-set-parameters error: $@") if $@; |
f34d1466 | 1005 | |
86b8228b | 1006 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
95a4b4a9 AD |
1007 | my $rpcenv = PVE::RPCEnvironment::get(); |
1008 | my $authuser = $rpcenv->get_user(); | |
1009 | ||
86b8228b | 1010 | my (undef, $proxyticket) = PVE::AccessControl::assemble_spice_ticket($authuser, $vmid, $self->{node}); |
95a4b4a9 | 1011 | |
86b8228b | 1012 | my $filename = "/etc/pve/nodes/$self->{node}/pve-ssl.pem"; |
769f187d | 1013 | my $subject = PVE::AccessControl::read_x509_subject_spice($filename); |
95a4b4a9 AD |
1014 | |
1015 | $self->log('info', "spice client_migrate_info"); | |
1016 | ||
1017 | eval { | |
0a13e08e | 1018 | mon_cmd($vmid, "client_migrate_info", protocol => 'spice', |
ccab68c2 | 1019 | hostname => $proxyticket, 'port' => 0, 'tls-port' => $spice_port, |
86b8228b | 1020 | 'cert-subject' => $subject); |
95a4b4a9 AD |
1021 | }; |
1022 | $self->log('info', "client_migrate_info error: $@") if $@; | |
1023 | ||
1024 | } | |
1025 | ||
9938d24d FE |
1026 | my $start = time(); |
1027 | ||
f34d1466 | 1028 | $self->log('info', "start migrate command to $ruri"); |
5a7835f5 | 1029 | eval { |
0a13e08e | 1030 | mon_cmd($vmid, "migrate", uri => $ruri); |
5a7835f5 AD |
1031 | }; |
1032 | my $merr = $@; | |
1c9d54bf | 1033 | $self->log('info', "migrate uri => $ruri failed: $merr") if $merr; |
1e3baf05 | 1034 | |
e693c491 | 1035 | my $last_mem_transferred = 0; |
4305207d | 1036 | my $usleep = 1000000; |
e52bd94c | 1037 | my $i = 0; |
b0b756c1 | 1038 | my $err_count = 0; |
865ef132 SP |
1039 | my $lastrem = undef; |
1040 | my $downtimecounter = 0; | |
1e3baf05 | 1041 | while (1) { |
e52bd94c | 1042 | $i++; |
e693c491 | 1043 | my $avglstat = $last_mem_transferred ? $last_mem_transferred / $i : 0; |
e52bd94c | 1044 | |
b0b756c1 | 1045 | usleep($usleep); |
6539865a TL |
1046 | |
1047 | my $stat = eval { mon_cmd($vmid, "query-migrate") }; | |
b0b756c1 DM |
1048 | if (my $err = $@) { |
1049 | $err_count++; | |
1050 | warn "query migrate failed: $err\n"; | |
f34d1466 | 1051 | $self->log('info', "query migrate failed: $err"); |
b0b756c1 | 1052 | if ($err_count <= 5) { |
6539865a | 1053 | usleep(1_000_000); |
b0b756c1 DM |
1054 | next; |
1055 | } | |
1056 | die "too many query migrate failures - aborting\n"; | |
1057 | } | |
985a5f48 | 1058 | |
6539865a TL |
1059 | my $status = $stat->{status}; |
1060 | if (defined($status) && $status =~ m/^(setup)$/im) { | |
1061 | sleep(1); | |
1062 | next; | |
1063 | } | |
f5eb281a | 1064 | |
6539865a TL |
1065 | if (!defined($status) || $status !~ m/^(active|completed|failed|cancelled)$/im) { |
1066 | die $merr if $merr; | |
1067 | die "unable to parse migration status '$status' - aborting\n"; | |
1068 | } | |
1069 | $merr = undef; | |
1070 | $err_count = 0; | |
1071 | ||
e693c491 TL |
1072 | my $memstat = $stat->{ram}; |
1073 | ||
6539865a TL |
1074 | if ($status eq 'completed') { |
1075 | my $delay = time() - $start; | |
1076 | if ($delay > 0) { | |
0fca250a TL |
1077 | my $total = $memstat->{total} || 0; |
1078 | my $avg_speed = render_bytes($total / $delay, 1); | |
6539865a | 1079 | my $downtime = $stat->{downtime} || 0; |
0fca250a | 1080 | $self->log('info', "average migration speed: $avg_speed/s - downtime $downtime ms"); |
1e3baf05 | 1081 | } |
6539865a | 1082 | } |
1e3baf05 | 1083 | |
6539865a TL |
1084 | if ($status eq 'failed' || $status eq 'cancelled') { |
1085 | $self->log('info', "migration status error: $status"); | |
1086 | die "aborting\n" | |
1087 | } | |
a05b47a8 | 1088 | |
6539865a TL |
1089 | if ($status ne 'active') { |
1090 | $self->log('info', "migration status: $status"); | |
1091 | last; | |
1092 | } | |
2e787b18 | 1093 | |
e693c491 TL |
1094 | if ($memstat->{transferred} ne $last_mem_transferred) { |
1095 | my $trans = $memstat->{transferred} || 0; | |
1096 | my $rem = $memstat->{remaining} || 0; | |
1097 | my $total = $memstat->{total} || 0; | |
0fca250a TL |
1098 | my $speed = ($memstat->{'pages-per-second'} // 0) * ($memstat->{'page-size'} // 0); |
1099 | my $dirty_rate = ($memstat->{'dirty-pages-rate'} // 0) * ($memstat->{'page-size'} // 0); | |
a05b47a8 | 1100 | |
6539865a TL |
1101 | # reduce sleep if remainig memory is lower than the average transfer speed |
1102 | $usleep = 100_000 if $avglstat && $rem < $avglstat; | |
865ef132 | 1103 | |
b68a957b TL |
1104 | # also reduce loggin if we poll more frequent |
1105 | my $should_log = $usleep > 100_000 ? 1 : ($i % 10) == 0; | |
370b05e7 | 1106 | |
0fca250a TL |
1107 | my $total_h = render_bytes($total, 1); |
1108 | my $transferred_h = render_bytes($trans, 1); | |
1109 | my $speed_h = render_bytes($speed, 1); | |
1110 | ||
1111 | my $progress = "transferred $transferred_h of $total_h VM-state, ${speed_h}/s"; | |
1112 | ||
1113 | if ($dirty_rate > $speed) { | |
1114 | my $dirty_rate_h = render_bytes($dirty_rate, 1); | |
1115 | $progress .= ", VM dirties lots of memory: $dirty_rate_h/s"; | |
1116 | } | |
1117 | ||
b68a957b | 1118 | $self->log('info', "migration $status, $progress") if $should_log; |
0fca250a TL |
1119 | |
1120 | my $xbzrle = $stat->{"xbzrle-cache"} || {}; | |
1121 | my ($xbzrlebytes, $xbzrlepages) = $xbzrle->@{'bytes', 'pages'}; | |
1122 | if ($xbzrlebytes || $xbzrlepages) { | |
1123 | my $bytes_h = render_bytes($xbzrlebytes, 1); | |
1124 | ||
1125 | my $msg = "send updates to $xbzrlepages pages in $bytes_h encoded memory"; | |
1126 | ||
1127 | $msg .= sprintf(", cache-miss %.2f%%", $xbzrle->{'cache-miss-rate'} * 100) | |
1128 | if $xbzrle->{'cache-miss-rate'}; | |
1129 | ||
1130 | $msg .= ", overflow $xbzrle->{overflow}" if $xbzrle->{overflow}; | |
1131 | ||
b68a957b | 1132 | $self->log('info', "xbzrle: $msg") if $should_log; |
6539865a TL |
1133 | } |
1134 | ||
e693c491 | 1135 | if (($lastrem && $rem > $lastrem) || ($rem == 0)) { |
6539865a TL |
1136 | $downtimecounter++; |
1137 | } | |
1138 | $lastrem = $rem; | |
1139 | ||
1140 | if ($downtimecounter > 5) { | |
1141 | $downtimecounter = 0; | |
1142 | $migrate_downtime *= 2; | |
1143 | $self->log('info', "auto-increased downtime to continue migration: $migrate_downtime ms"); | |
1144 | eval { | |
1145 | # migrate-set-parameters does not touch values not | |
1146 | # specified, so this only changes downtime-limit | |
1147 | mon_cmd($vmid, "migrate-set-parameters", 'downtime-limit' => int($migrate_downtime)); | |
1148 | }; | |
1149 | $self->log('info', "migrate-set-parameters error: $@") if $@; | |
1150 | } | |
1e3baf05 | 1151 | } |
6539865a | 1152 | |
e693c491 | 1153 | $last_mem_transferred = $memstat->{transferred}; |
a05b47a8 | 1154 | } |
0783c3c2 FE |
1155 | |
1156 | if ($self->{storage_migration}) { | |
1157 | # finish block-job with block-job-cancel, to disconnect source VM from NBD | |
1158 | # to avoid it trying to re-establish it. We are in blockjob ready state, | |
1159 | # thus, this command changes to it to blockjob complete (see qapi docs) | |
1160 | eval { PVE::QemuServer::qemu_drive_mirror_monitor($vmid, undef, $self->{storage_migration_jobs}, 'cancel'); }; | |
1161 | if (my $err = $@) { | |
1162 | die "Failed to complete storage migration: $err\n"; | |
1163 | } | |
1164 | } | |
1e3baf05 | 1165 | } |
16e903f2 | 1166 | |
c04b5b04 AD |
1167 | sub phase2_cleanup { |
1168 | my ($self, $vmid, $err) = @_; | |
1169 | ||
af30308f DM |
1170 | return if !$self->{errors}; |
1171 | $self->{phase2errors} = 1; | |
1172 | ||
c04b5b04 AD |
1173 | $self->log('info', "aborting phase 2 - cleanup resources"); |
1174 | ||
19168b91 SP |
1175 | $self->log('info', "migrate_cancel"); |
1176 | eval { | |
0a13e08e | 1177 | mon_cmd($vmid, "migrate_cancel"); |
19168b91 SP |
1178 | }; |
1179 | $self->log('info', "migrate_cancel error: $@") if $@; | |
1180 | ||
c04b5b04 AD |
1181 | my $conf = $self->{vmconf}; |
1182 | delete $conf->{lock}; | |
ffda963f | 1183 | eval { PVE::QemuConfig->write_config($vmid, $conf) }; |
c04b5b04 AD |
1184 | if (my $err = $@) { |
1185 | $self->log('err', $err); | |
1186 | } | |
1187 | ||
af30308f | 1188 | # cleanup ressources on target host |
3b4cf0f0 | 1189 | if ($self->{storage_migration}) { |
b74cad8a AD |
1190 | eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $self->{storage_migration_jobs}) }; |
1191 | if (my $err = $@) { | |
1192 | $self->log('err', $err); | |
1193 | } | |
9b3f5a5c | 1194 | } |
b74cad8a | 1195 | |
9b3f5a5c FG |
1196 | eval { $self->cleanup_bitmaps() }; |
1197 | if (my $err =$@) { | |
1198 | $self->log('err', $err); | |
b74cad8a AD |
1199 | } |
1200 | ||
af30308f | 1201 | my $nodename = PVE::INotify::nodename(); |
370b05e7 | 1202 | |
af30308f DM |
1203 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'stop', $vmid, '--skiplock', '--migratedfrom', $nodename]; |
1204 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
1205 | if (my $err = $@) { | |
1206 | $self->log('err', $err); | |
1207 | $self->{errors} = 1; | |
1208 | } | |
386c6ba7 | 1209 | |
9b3f5a5c FG |
1210 | # cleanup after stopping, otherwise disks might be in-use by target VM! |
1211 | eval { PVE::QemuMigrate::cleanup_remotedisks($self) }; | |
1212 | if (my $err = $@) { | |
1213 | $self->log('err', $err); | |
1214 | } | |
1215 | ||
1216 | ||
386c6ba7 WL |
1217 | if ($self->{tunnel}) { |
1218 | eval { finish_tunnel($self, $self->{tunnel}); }; | |
1219 | if (my $err = $@) { | |
1220 | $self->log('err', $err); | |
1221 | $self->{errors} = 1; | |
1222 | } | |
1223 | } | |
c04b5b04 AD |
1224 | } |
1225 | ||
16e903f2 DM |
1226 | sub phase3 { |
1227 | my ($self, $vmid) = @_; | |
f5eb281a | 1228 | |
ad8b9d5e | 1229 | return; |
16e903f2 DM |
1230 | } |
1231 | ||
1232 | sub phase3_cleanup { | |
1233 | my ($self, $vmid, $err) = @_; | |
1234 | ||
1235 | my $conf = $self->{vmconf}; | |
af30308f | 1236 | return if $self->{phase2errors}; |
16e903f2 | 1237 | |
1d5aaa1d FG |
1238 | my $tunnel = $self->{tunnel}; |
1239 | ||
97ece9dd | 1240 | if ($self->{volume_map}) { |
38311a1d TL |
1241 | my $target_drives = $self->{target_drive}; |
1242 | ||
1243 | # FIXME: for NBD storage migration we now only update the volid, and | |
1244 | # not the full drivestr from the target node. Workaround that until we | |
1245 | # got some real rescan, to avoid things like wrong format in the drive | |
1246 | delete $conf->{$_} for keys %$target_drives; | |
97ece9dd | 1247 | PVE::QemuConfig->update_volume_ids($conf, $self->{volume_map}); |
38311a1d TL |
1248 | |
1249 | for my $drive (keys %$target_drives) { | |
1250 | $conf->{$drive} = $target_drives->{$drive}->{drivestr}; | |
1251 | } | |
37666e4c FE |
1252 | PVE::QemuConfig->write_config($vmid, $conf); |
1253 | } | |
1254 | ||
dbc9420b | 1255 | # transfer replication state before move config |
c2c96d73 | 1256 | $self->transfer_replication_state() if $self->{is_replicated}; |
27fa645e | 1257 | PVE::QemuConfig->move_config_to_node($vmid, $self->{node}); |
c2c96d73 | 1258 | $self->switch_replication_job_target() if $self->{is_replicated}; |
dbc9420b | 1259 | |
5bc1e039 | 1260 | if ($self->{livemigration}) { |
3e802221 TL |
1261 | if ($self->{stopnbd}) { |
1262 | $self->log('info', "stopping NBD storage migration server on target."); | |
504105c6 FG |
1263 | # stop nbd server on remote vm - requirement for resume since 2.9 |
1264 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'nbdstop', $vmid]; | |
1265 | ||
1266 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
1267 | if (my $err = $@) { | |
1268 | $self->log('err', $err); | |
1269 | $self->{errors} = 1; | |
1270 | } | |
1271 | } | |
1d5aaa1d | 1272 | |
877e2ea7 | 1273 | # config moved and nbd server stopped - now we can resume vm on target |
1d5aaa1d FG |
1274 | if ($tunnel && $tunnel->{version} && $tunnel->{version} >= 1) { |
1275 | eval { | |
1276 | $self->write_tunnel($tunnel, 30, "resume $vmid"); | |
1277 | }; | |
1278 | if (my $err = $@) { | |
1279 | $self->log('err', $err); | |
1280 | $self->{errors} = 1; | |
1281 | } | |
1282 | } else { | |
1283 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'resume', $vmid, '--skiplock', '--nocheck']; | |
1284 | my $logf = sub { | |
1285 | my $line = shift; | |
1286 | $self->log('err', $line); | |
1287 | }; | |
1288 | eval { PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => $logf); }; | |
1289 | if (my $err = $@) { | |
1290 | $self->log('err', $err); | |
1291 | $self->{errors} = 1; | |
1292 | } | |
b67900f1 | 1293 | } |
ca662131 SI |
1294 | |
1295 | if ($self->{storage_migration} && PVE::QemuServer::parse_guest_agent($conf)->{fstrim_cloned_disks} && $self->{running}) { | |
1296 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'guest', 'cmd', $vmid, 'fstrim']; | |
1297 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
1298 | } | |
b67900f1 AD |
1299 | } |
1300 | ||
2e7fee87 FG |
1301 | # close tunnel on successful migration, on error phase2_cleanup closed it |
1302 | if ($tunnel) { | |
1303 | eval { finish_tunnel($self, $tunnel); }; | |
1304 | if (my $err = $@) { | |
1305 | $self->log('err', $err); | |
1306 | $self->{errors} = 1; | |
1307 | } | |
1308 | } | |
1309 | ||
fd8469f7 | 1310 | eval { |
fd8469f7 AD |
1311 | my $timer = 0; |
1312 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga}) && $self->{running}) { | |
1313 | $self->log('info', "Waiting for spice server migration"); | |
1314 | while (1) { | |
0a13e08e | 1315 | my $res = mon_cmd($vmid, 'query-spice'); |
fd8469f7 AD |
1316 | last if int($res->{'migrated'}) == 1; |
1317 | last if $timer > 50; | |
1318 | $timer ++; | |
1319 | usleep(200000); | |
769f187d | 1320 | } |
fd8469f7 AD |
1321 | } |
1322 | }; | |
95a4b4a9 | 1323 | |
16e903f2 DM |
1324 | # always stop local VM |
1325 | eval { PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, 1, 1); }; | |
1326 | if (my $err = $@) { | |
1327 | $self->log('err', "stopping vm failed - $err"); | |
1328 | $self->{errors} = 1; | |
1329 | } | |
1330 | ||
1331 | # always deactivate volumes - avoid lvm LVs to be active on several nodes | |
1332 | eval { | |
1333 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); | |
1334 | PVE::Storage::deactivate_volumes($self->{storecfg}, $vollist); | |
1335 | }; | |
1336 | if (my $err = $@) { | |
1337 | $self->log('err', $err); | |
1338 | $self->{errors} = 1; | |
1339 | } | |
1340 | ||
4b26ffbf | 1341 | my @not_replicated_volumes = $self->filter_local_volumes(undef, 0); |
9b6efe43 | 1342 | |
4b26ffbf FE |
1343 | # destroy local copies |
1344 | foreach my $volid (@not_replicated_volumes) { | |
ad8b9d5e FE |
1345 | eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); }; |
1346 | if (my $err = $@) { | |
1347 | $self->log('err', "removing local copy of '$volid' failed - $err"); | |
1348 | $self->{errors} = 1; | |
1349 | last if $err =~ /^interrupted by signal$/; | |
b74cad8a | 1350 | } |
b74cad8a AD |
1351 | } |
1352 | ||
16e903f2 DM |
1353 | # clear migrate lock |
1354 | my $cmd = [ @{$self->{rem_ssh}}, 'qm', 'unlock', $vmid ]; | |
1355 | $self->cmd_logerr($cmd, errmsg => "failed to clear migrate lock"); | |
1356 | } | |
1357 | ||
1358 | sub final_cleanup { | |
1359 | my ($self, $vmid) = @_; | |
1360 | ||
1361 | # nothing to do | |
1362 | } | |
1363 | ||
50d8dd5d AD |
1364 | sub round_powerof2 { |
1365 | return 1 if $_[0] < 2; | |
1366 | return 2 << int(log($_[0]-1)/log(2)); | |
1367 | } | |
1368 | ||
16e903f2 | 1369 | 1; |