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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 | |
0d2db084 | 343 | my $scfg = PVE::Storage::storage_check_enabled($self->{storecfg}, $sid); |
24b84b47 FE |
344 | my $target_scfg = PVE::Storage::storage_check_enabled( |
345 | $self->{storecfg}, | |
346 | $targetsid, | |
347 | $self->{node}, | |
348 | ); | |
349 | ||
350 | die "content type 'images' is not available on storage '$targetsid'\n" | |
351 | if !$target_scfg->{content}->{images}; | |
73f5ee92 FG |
352 | |
353 | if ($scfg->{shared}) { | |
354 | # PVE::Storage::activate_storage checks this for non-shared storages | |
355 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
356 | warn "Used shared storage '$sid' is not online on source node!\n" | |
357 | if !$plugin->check_connection($sid, $scfg); | |
73f5ee92 | 358 | } |
29701766 | 359 | } |
3ea94c60 DM |
360 | |
361 | # test ssh connection | |
16e903f2 DM |
362 | my $cmd = [ @{$self->{rem_ssh}}, '/bin/true' ]; |
363 | eval { $self->cmd_quiet($cmd); }; | |
3ea94c60 | 364 | die "Can't connect to destination address using public key\n" if $@; |
ff1a2432 | 365 | |
16e903f2 | 366 | return $running; |
3ea94c60 DM |
367 | } |
368 | ||
d10b78f4 | 369 | sub scan_local_volumes { |
16e903f2 DM |
370 | my ($self, $vmid) = @_; |
371 | ||
16e903f2 DM |
372 | my $conf = $self->{vmconf}; |
373 | ||
dabf2473 | 374 | # local volumes which have been copied |
37666e4c | 375 | # and their old_id => new_id pairs |
37666e4c | 376 | $self->{volume_map} = {}; |
d10b78f4 | 377 | $self->{local_volumes} = {}; |
3ea94c60 | 378 | |
b10afa31 | 379 | my $storecfg = $self->{storecfg}; |
3ea94c60 DM |
380 | eval { |
381 | ||
dabf2473 | 382 | # found local volumes and their origin |
d10b78f4 | 383 | my $local_volumes = $self->{local_volumes}; |
5bf7f0f1 FG |
384 | my $local_volumes_errors = {}; |
385 | my $other_errors = []; | |
386 | my $abort = 0; | |
3ea94c60 | 387 | |
5bf7f0f1 FG |
388 | my $log_error = sub { |
389 | my ($msg, $volid) = @_; | |
390 | ||
391 | if (defined($volid)) { | |
392 | $local_volumes_errors->{$volid} = $msg; | |
393 | } else { | |
394 | push @$other_errors, $msg; | |
395 | } | |
396 | $abort = 1; | |
397 | }; | |
398 | ||
b10afa31 | 399 | my @sids = PVE::Storage::storage_ids($storecfg); |
86638cc2 | 400 | foreach my $storeid (@sids) { |
b10afa31 | 401 | my $scfg = PVE::Storage::storage_config($storecfg, $storeid); |
86638cc2 | 402 | next if $scfg->{shared}; |
b10afa31 | 403 | next if !PVE::Storage::storage_check_enabled($storecfg, $storeid, undef, 1); |
373ea579 | 404 | |
86638cc2 | 405 | # get list from PVE::Storage (for unused volumes) |
24b84b47 | 406 | my $dl = PVE::Storage::vdisk_list($storecfg, $storeid, $vmid, undef, 'images'); |
89719f98 FG |
407 | |
408 | next if @{$dl->{$storeid}} == 0; | |
409 | ||
bf8fc5a3 | 410 | my $targetsid = PVE::QemuServer::map_storage($self->{opts}->{storagemap}, $storeid); |
86638cc2 | 411 | # check if storage is available on target node |
24b84b47 FE |
412 | my $target_scfg = PVE::Storage::storage_check_enabled( |
413 | $storecfg, | |
414 | $targetsid, | |
415 | $self->{node}, | |
416 | ); | |
89719f98 | 417 | |
24b84b47 FE |
418 | die "content type 'images' is not available on storage '$targetsid'\n" |
419 | if !$target_scfg->{content}->{images}; | |
bf8fc5a3 | 420 | |
c3417e3b FE |
421 | my $bwlimit = PVE::Storage::get_bandwidth_limit( |
422 | 'migration', | |
423 | [$targetsid, $storeid], | |
424 | $self->{opts}->{bwlimit}, | |
425 | ); | |
426 | ||
86638cc2 | 427 | PVE::Storage::foreach_volid($dl, sub { |
5eca0c36 | 428 | my ($volid, $sid, $volinfo) = @_; |
80b2cbd1 | 429 | |
6f58fce9 | 430 | $local_volumes->{$volid}->{ref} = 'storage'; |
62a4c963 | 431 | $local_volumes->{$volid}->{size} = $volinfo->{size}; |
c3417e3b FE |
432 | $local_volumes->{$volid}->{targetsid} = $targetsid; |
433 | $local_volumes->{$volid}->{bwlimit} = $bwlimit; | |
5eca0c36 FE |
434 | |
435 | # If with_snapshots is not set for storage migrate, it tries to use | |
436 | # a raw+size stream, but on-the-fly conversion from qcow2 to raw+size | |
437 | # back to qcow2 is currently not possible. | |
438 | $local_volumes->{$volid}->{snapshots} = ($volinfo->{format} =~ /^(?:qcow2|vmdk)$/); | |
0ad295f9 | 439 | $local_volumes->{$volid}->{format} = $volinfo->{format}; |
86638cc2 FG |
440 | }); |
441 | } | |
3ea94c60 | 442 | |
c2c96d73 | 443 | my $replicatable_volumes = !$self->{replication_jobcfg} ? {} |
2cd808d3 | 444 | : PVE::QemuConfig->get_replicatable_volumes($storecfg, $vmid, $conf, 0, 1); |
4b26ffbf FE |
445 | foreach my $volid (keys %{$replicatable_volumes}) { |
446 | $local_volumes->{$volid}->{replicated} = 1; | |
447 | } | |
b9f44d27 | 448 | |
3629c19d | 449 | my $test_volid = sub { |
aee6abe5 | 450 | my ($volid, $attr) = @_; |
3ea94c60 | 451 | |
5bf7f0f1 | 452 | if ($volid =~ m|^/|) { |
ec82e3ee | 453 | return if $attr->{shared}; |
6f58fce9 | 454 | $local_volumes->{$volid}->{ref} = 'config'; |
5bf7f0f1 FG |
455 | die "local file/device\n"; |
456 | } | |
3ea94c60 | 457 | |
aee6abe5 DM |
458 | my $snaprefs = $attr->{referenced_in_snapshot}; |
459 | ||
460 | if ($attr->{cdrom}) { | |
5bf7f0f1 FG |
461 | if ($volid eq 'cdrom') { |
462 | my $msg = "can't migrate local cdrom drive"; | |
5009a8c7 | 463 | if (defined($snaprefs) && !$attr->{referenced_in_config}) { |
aee6abe5 | 464 | my $snapnames = join(', ', sort keys %$snaprefs); |
5009a8c7 | 465 | $msg .= " (referenced in snapshot - $snapnames)"; |
aee6abe5 | 466 | } |
5bf7f0f1 FG |
467 | &$log_error("$msg\n"); |
468 | return; | |
469 | } | |
3ea94c60 | 470 | return if $volid eq 'none'; |
3ea94c60 DM |
471 | } |
472 | ||
473 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
474 | ||
bf8fc5a3 | 475 | my $targetsid = PVE::QemuServer::map_storage($self->{opts}->{storagemap}, $sid); |
16e903f2 | 476 | # check if storage is available on both nodes |
0d2db084 FE |
477 | my $scfg = PVE::Storage::storage_check_enabled($storecfg, $sid); |
478 | PVE::Storage::storage_check_enabled($storecfg, $targetsid, $self->{node}); | |
3ea94c60 DM |
479 | |
480 | return if $scfg->{shared}; | |
481 | ||
6f58fce9 | 482 | $local_volumes->{$volid}->{ref} = $attr->{referenced_in_config} ? 'config' : 'snapshot'; |
ae180b8f | 483 | $local_volumes->{$volid}->{ref} = 'storage' if $attr->{is_unused}; |
d62fcf74 | 484 | |
cc1a3820 FE |
485 | $local_volumes->{$volid}->{is_vmstate} = $attr->{is_vmstate} ? 1 : 0; |
486 | ||
a6be63ac FE |
487 | $local_volumes->{$volid}->{drivename} = $attr->{drivename} |
488 | if $attr->{drivename}; | |
489 | ||
9e93a63f ML |
490 | if ($attr->{cdrom}) { |
491 | if ($volid =~ /vm-\d+-cloudinit/) { | |
492 | $local_volumes->{$volid}->{ref} = 'generated'; | |
493 | return; | |
494 | } | |
495 | die "local cdrom image\n"; | |
496 | } | |
3629c19d | 497 | |
b10afa31 | 498 | my ($path, $owner) = PVE::Storage::path($storecfg, $volid); |
3ea94c60 | 499 | |
5bf7f0f1 | 500 | die "owned by other VM (owner = VM $owner)\n" |
b10afa31 | 501 | if !$owner || ($owner != $vmid); |
3ea94c60 | 502 | |
b24f07d4 FE |
503 | return if $attr->{is_vmstate}; |
504 | ||
aee6abe5 | 505 | if (defined($snaprefs)) { |
5eca0c36 FE |
506 | $local_volumes->{$volid}->{snapshots} = 1; |
507 | ||
3629c19d DM |
508 | # we cannot migrate shapshots on local storage |
509 | # exceptions: 'zfspool' or 'qcow2' files (on directory storage) | |
510 | ||
b74cad8a | 511 | die "online storage migration not possible if snapshot exists\n" if $self->{running}; |
0ad295f9 | 512 | if (!($scfg->{type} eq 'zfspool' || $local_volumes->{$volid}->{format} eq 'qcow2')) { |
5bf7f0f1 | 513 | die "non-migratable snapshot exists\n"; |
3629c19d | 514 | } |
3629c19d | 515 | } |
3a7bc9e2 FG |
516 | |
517 | die "referenced by linked clone(s)\n" | |
b10afa31 | 518 | if PVE::Storage::volume_is_base_and_used($storecfg, $volid); |
3629c19d DM |
519 | }; |
520 | ||
aee6abe5 DM |
521 | PVE::QemuServer::foreach_volid($conf, sub { |
522 | my ($volid, $attr) = @_; | |
523 | eval { $test_volid->($volid, $attr); }; | |
524 | if (my $err = $@) { | |
525 | &$log_error($err, $volid); | |
526 | } | |
527 | }); | |
3ea94c60 | 528 | |
dabf2473 | 529 | foreach my $vol (sort keys %$local_volumes) { |
b9f44d27 | 530 | my $type = $replicatable_volumes->{$vol} ? 'local, replicated' : 'local'; |
6f58fce9 WB |
531 | my $ref = $local_volumes->{$vol}->{ref}; |
532 | if ($ref eq 'storage') { | |
b9f44d27 | 533 | $self->log('info', "found $type disk '$vol' (via storage)\n"); |
6f58fce9 | 534 | } elsif ($ref eq 'config') { |
dbc9420b DM |
535 | &$log_error("can't live migrate attached local disks without with-local-disks option\n", $vol) |
536 | if $self->{running} && !$self->{opts}->{"with-local-disks"}; | |
b9f44d27 | 537 | $self->log('info', "found $type disk '$vol' (in current VM config)\n"); |
6f58fce9 | 538 | } elsif ($ref eq 'snapshot') { |
b9f44d27 | 539 | $self->log('info', "found $type disk '$vol' (referenced by snapshot(s))\n"); |
9e93a63f ML |
540 | } elsif ($ref eq 'generated') { |
541 | $self->log('info', "found generated disk '$vol' (in current VM config)\n"); | |
d62fcf74 | 542 | } else { |
b9f44d27 | 543 | $self->log('info', "found $type disk '$vol'\n"); |
d62fcf74 FG |
544 | } |
545 | } | |
546 | ||
5bf7f0f1 FG |
547 | foreach my $vol (sort keys %$local_volumes_errors) { |
548 | $self->log('warn', "can't migrate local disk '$vol': $local_volumes_errors->{$vol}"); | |
549 | } | |
550 | foreach my $err (@$other_errors) { | |
551 | $self->log('warn', "$err"); | |
552 | } | |
553 | ||
5bf7f0f1 FG |
554 | if ($abort) { |
555 | die "can't migrate VM - check log\n"; | |
556 | } | |
557 | ||
c4d2d6c1 | 558 | # additional checks for local storage |
dabf2473 | 559 | foreach my $volid (keys %$local_volumes) { |
3ea94c60 | 560 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); |
b10afa31 | 561 | my $scfg = PVE::Storage::storage_config($storecfg, $sid); |
3ea94c60 | 562 | |
dad06e20 | 563 | my $migratable = $scfg->{type} =~ /^(?:dir|zfspool|lvmthin|lvm)$/; |
c4d2d6c1 | 564 | |
37a6dc78 | 565 | die "can't migrate '$volid' - storage type '$scfg->{type}' not supported\n" |
c4d2d6c1 | 566 | if !$migratable; |
d5604092 | 567 | |
c4d2d6c1 | 568 | # image is a linked clone on local storage, se we can't migrate. |
b10afa31 | 569 | if (my $basename = (PVE::Storage::parse_volname($storecfg, $volid))[3]) { |
c4d2d6c1 | 570 | die "can't migrate '$volid' as it's a clone of '$basename'"; |
d5604092 | 571 | } |
3ea94c60 DM |
572 | } |
573 | ||
eb3acec8 | 574 | foreach my $volid (sort keys %$local_volumes) { |
9e93a63f ML |
575 | my $ref = $local_volumes->{$volid}->{ref}; |
576 | if ($self->{running} && $ref eq 'config') { | |
efe0d457 | 577 | $local_volumes->{$volid}->{migration_mode} = 'online'; |
ad8b9d5e FE |
578 | } elsif ($self->{running} && $ref eq 'generated') { |
579 | die "can't live migrate VM with local cloudinit disk. use a shared storage instead\n"; | |
b74cad8a | 580 | } else { |
d10b78f4 | 581 | $local_volumes->{$volid}->{migration_mode} = 'offline'; |
b74cad8a | 582 | } |
3ea94c60 DM |
583 | } |
584 | }; | |
d10b78f4 FE |
585 | die "Problem found while scanning volumes - $@" if $@; |
586 | } | |
587 | ||
a6be63ac FE |
588 | sub handle_replication { |
589 | my ($self, $vmid) = @_; | |
590 | ||
591 | my $conf = $self->{vmconf}; | |
592 | my $local_volumes = $self->{local_volumes}; | |
593 | ||
594 | return if !$self->{replication_jobcfg}; | |
595 | if ($self->{running}) { | |
596 | ||
597 | my $version = PVE::QemuServer::kvm_user_version(); | |
598 | if (!min_version($version, 4, 2)) { | |
599 | die "can't live migrate VM with replicated volumes, pve-qemu to old (< 4.2)!\n" | |
600 | } | |
601 | ||
602 | my @live_replicatable_volumes = $self->filter_local_volumes('online', 1); | |
603 | foreach my $volid (@live_replicatable_volumes) { | |
604 | my $drive = $local_volumes->{$volid}->{drivename}; | |
605 | die "internal error - no drive for '$volid'\n" if !defined($drive); | |
606 | ||
607 | my $bitmap = "repl_$drive"; | |
608 | ||
609 | # start tracking before replication to get full delta + a few duplicates | |
610 | $self->log('info', "$drive: start tracking writes using block-dirty-bitmap '$bitmap'"); | |
611 | mon_cmd($vmid, 'block-dirty-bitmap-add', node => "drive-$drive", name => $bitmap); | |
612 | ||
613 | # other info comes from target node in phase 2 | |
614 | $self->{target_drive}->{$drive}->{bitmap} = $bitmap; | |
615 | } | |
616 | } | |
617 | $self->log('info', "replicating disk images"); | |
618 | ||
619 | my $start_time = time(); | |
620 | my $logfunc = sub { $self->log('info', shift) }; | |
621 | my $actual_replicated_volumes = PVE::Replication::run_replication( | |
622 | 'PVE::QemuConfig', $self->{replication_jobcfg}, $start_time, $start_time, $logfunc); | |
623 | ||
624 | # extra safety check | |
625 | my @replicated_volumes = $self->filter_local_volumes(undef, 1); | |
626 | foreach my $volid (@replicated_volumes) { | |
627 | die "expected volume '$volid' to get replicated, but it wasn't\n" | |
628 | if !$actual_replicated_volumes->{$volid}; | |
629 | } | |
630 | } | |
631 | ||
3276a434 FE |
632 | sub config_update_local_disksizes { |
633 | my ($self) = @_; | |
634 | ||
635 | my $conf = $self->{vmconf}; | |
636 | my $local_volumes = $self->{local_volumes}; | |
637 | ||
638 | PVE::QemuConfig->foreach_volume($conf, sub { | |
639 | my ($key, $drive) = @_; | |
640 | return if $key eq 'efidisk0'; # skip efidisk, will be handled later | |
641 | ||
642 | my $volid = $drive->{file}; | |
643 | return if !defined($local_volumes->{$volid}); # only update sizes for local volumes | |
644 | ||
645 | my ($updated, $msg) = PVE::QemuServer::Drive::update_disksize($drive, $local_volumes->{$volid}->{size}); | |
646 | if (defined($updated)) { | |
647 | $conf->{$key} = PVE::QemuServer::print_drive($updated); | |
648 | $self->log('info', "drive '$key': $msg"); | |
649 | } | |
650 | }); | |
651 | ||
652 | # we want to set the efidisk size in the config to the size of the | |
653 | # real OVMF_VARS.fd image, else we can create a too big image, which does not work | |
654 | if (defined($conf->{efidisk0})) { | |
655 | PVE::QemuServer::update_efidisk_size($conf); | |
656 | } | |
657 | } | |
658 | ||
d10b78f4 | 659 | sub filter_local_volumes { |
4b26ffbf | 660 | my ($self, $migration_mode, $replicated) = @_; |
d10b78f4 FE |
661 | |
662 | my $volumes = $self->{local_volumes}; | |
663 | my @filtered_volids; | |
664 | ||
665 | foreach my $volid (sort keys %{$volumes}) { | |
666 | next if defined($migration_mode) && safe_string_ne($volumes->{$volid}->{migration_mode}, $migration_mode); | |
4b26ffbf | 667 | next if defined($replicated) && safe_boolean_ne($volumes->{$volid}->{replicated}, $replicated); |
d10b78f4 FE |
668 | push @filtered_volids, $volid; |
669 | } | |
670 | ||
671 | return @filtered_volids; | |
672 | } | |
673 | ||
674 | sub sync_offline_local_volumes { | |
675 | my ($self) = @_; | |
676 | ||
677 | my $local_volumes = $self->{local_volumes}; | |
4b26ffbf | 678 | my @volids = $self->filter_local_volumes('offline', 0); |
d10b78f4 FE |
679 | |
680 | my $storecfg = $self->{storecfg}; | |
681 | my $opts = $self->{opts}; | |
682 | ||
683 | $self->log('info', "copying local disk images") if scalar(@volids); | |
684 | ||
685 | foreach my $volid (@volids) { | |
c3417e3b FE |
686 | my $targetsid = $local_volumes->{$volid}->{targetsid}; |
687 | my $bwlimit = $local_volumes->{$volid}->{bwlimit}; | |
688 | $bwlimit = $bwlimit * 1024 if defined($bwlimit); # storage_migrate uses bps | |
d10b78f4 FE |
689 | |
690 | my $storage_migrate_opts = { | |
691 | 'ratelimit_bps' => $bwlimit, | |
692 | 'insecure' => $opts->{migration_type} eq 'insecure', | |
693 | 'with_snapshots' => $local_volumes->{$volid}->{snapshots}, | |
694 | 'allow_rename' => !$local_volumes->{$volid}->{is_vmstate}, | |
695 | }; | |
696 | ||
697 | my $logfunc = sub { $self->log('info', $_[0]); }; | |
698 | my $new_volid = eval { | |
699 | PVE::Storage::storage_migrate($storecfg, $volid, $self->{ssh_info}, | |
700 | $targetsid, $storage_migrate_opts, $logfunc); | |
701 | }; | |
702 | if (my $err = $@) { | |
703 | die "storage migration for '$volid' to storage '$targetsid' failed - $err\n"; | |
704 | } | |
705 | ||
706 | $self->{volume_map}->{$volid} = $new_volid; | |
707 | $self->log('info', "volume '$volid' is '$new_volid' on the target\n"); | |
708 | ||
709 | eval { PVE::Storage::deactivate_volumes($storecfg, [$volid]); }; | |
710 | if (my $err = $@) { | |
711 | $self->log('warn', $err); | |
712 | } | |
713 | } | |
3ea94c60 DM |
714 | } |
715 | ||
b74cad8a AD |
716 | sub cleanup_remotedisks { |
717 | my ($self) = @_; | |
718 | ||
4b26ffbf FE |
719 | my $local_volumes = $self->{local_volumes}; |
720 | ||
eb5751ba | 721 | foreach my $volid (values %{$self->{volume_map}}) { |
9b6efe43 | 722 | # don't clean up replicated disks! |
4b26ffbf | 723 | next if $local_volumes->{$volid}->{replicated}; |
b74cad8a | 724 | |
eb5751ba | 725 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid); |
b74cad8a AD |
726 | |
727 | my $cmd = [@{$self->{rem_ssh}}, 'pvesm', 'free', "$storeid:$volname"]; | |
728 | ||
729 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
730 | if (my $err = $@) { | |
731 | $self->log('err', $err); | |
732 | $self->{errors} = 1; | |
733 | } | |
734 | } | |
735 | } | |
736 | ||
9b6efe43 FG |
737 | sub cleanup_bitmaps { |
738 | my ($self) = @_; | |
7f5fb49a | 739 | foreach my $drive (keys %{$self->{target_drive}}) { |
9b6efe43 FG |
740 | my $bitmap = $self->{target_drive}->{$drive}->{bitmap}; |
741 | next if !$bitmap; | |
742 | $self->log('info', "$drive: removing block-dirty-bitmap '$bitmap'"); | |
743 | mon_cmd($self->{vmid}, 'block-dirty-bitmap-remove', node => "drive-$drive", name => $bitmap); | |
744 | } | |
745 | } | |
746 | ||
1e3baf05 | 747 | sub phase1 { |
16e903f2 | 748 | my ($self, $vmid) = @_; |
1e3baf05 | 749 | |
16e903f2 | 750 | $self->log('info', "starting migration of VM $vmid to node '$self->{node}' ($self->{nodeip})"); |
1e3baf05 | 751 | |
16e903f2 | 752 | my $conf = $self->{vmconf}; |
1e3baf05 DM |
753 | |
754 | # set migrate lock in config file | |
1858638f | 755 | $conf->{lock} = 'migrate'; |
ffda963f | 756 | PVE::QemuConfig->write_config($vmid, $conf); |
1e3baf05 | 757 | |
d10b78f4 | 758 | $self->scan_local_volumes($vmid); |
3276a434 FE |
759 | |
760 | # fix disk sizes to match their actual size and write changes, | |
761 | # so that the target allocates the correct volumes | |
762 | $self->config_update_local_disksizes(); | |
68b108ee | 763 | PVE::QemuConfig->write_config($vmid, $conf); |
d10b78f4 | 764 | |
a6be63ac FE |
765 | $self->handle_replication($vmid); |
766 | ||
d10b78f4 | 767 | $self->sync_offline_local_volumes(); |
1e3baf05 DM |
768 | }; |
769 | ||
16e903f2 DM |
770 | sub phase1_cleanup { |
771 | my ($self, $vmid, $err) = @_; | |
772 | ||
773 | $self->log('info', "aborting phase 1 - cleanup resources"); | |
774 | ||
1858638f DM |
775 | my $conf = $self->{vmconf}; |
776 | delete $conf->{lock}; | |
ffda963f | 777 | eval { PVE::QemuConfig->write_config($vmid, $conf) }; |
16e903f2 DM |
778 | if (my $err = $@) { |
779 | $self->log('err', $err); | |
780 | } | |
f5eb281a | 781 | |
eb5751ba FE |
782 | eval { $self->cleanup_remotedisks() }; |
783 | if (my $err = $@) { | |
784 | $self->log('err', $err); | |
16e903f2 | 785 | } |
9b6efe43 FG |
786 | |
787 | eval { $self->cleanup_bitmaps() }; | |
788 | if (my $err =$@) { | |
789 | $self->log('err', $err); | |
790 | } | |
16e903f2 DM |
791 | } |
792 | ||
1e3baf05 | 793 | sub phase2 { |
16e903f2 | 794 | my ($self, $vmid) = @_; |
1e3baf05 | 795 | |
16e903f2 | 796 | my $conf = $self->{vmconf}; |
c3417e3b | 797 | my $local_volumes = $self->{local_volumes}; |
efe0d457 FE |
798 | my @online_local_volumes = $self->filter_local_volumes('online'); |
799 | ||
800 | $self->{storage_migration} = 1 if scalar(@online_local_volumes); | |
16e903f2 | 801 | |
46a84fd4 | 802 | $self->log('info', "starting VM $vmid on remote node '$self->{node}'"); |
1e3baf05 | 803 | |
5bc1e039 | 804 | my $raddr; |
1e3baf05 | 805 | my $rport; |
1c9d54bf | 806 | my $ruri; # the whole migration dst. URI (protocol:address[:port]) |
7e8dcf2c AD |
807 | my $nodename = PVE::INotify::nodename(); |
808 | ||
19672434 | 809 | ## start on remote node |
95a4b4a9 AD |
810 | my $cmd = [@{$self->{rem_ssh}}]; |
811 | ||
7c14dcae | 812 | my $spice_ticket; |
86b8228b | 813 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
0a13e08e | 814 | my $res = mon_cmd($vmid, 'query-spice'); |
7c14dcae | 815 | $spice_ticket = $res->{ticket}; |
95a4b4a9 AD |
816 | } |
817 | ||
1c9d54bf TL |
818 | push @$cmd , 'qm', 'start', $vmid, '--skiplock', '--migratedfrom', $nodename; |
819 | ||
f1c2a53a | 820 | my $migration_type = $self->{opts}->{migration_type}; |
2de2d6f7 TL |
821 | |
822 | push @$cmd, '--migration_type', $migration_type; | |
823 | ||
824 | push @$cmd, '--migration_network', $self->{opts}->{migration_network} | |
825 | if $self->{opts}->{migration_network}; | |
826 | ||
827 | if ($migration_type eq 'insecure') { | |
1c9d54bf TL |
828 | push @$cmd, '--stateuri', 'tcp'; |
829 | } else { | |
830 | push @$cmd, '--stateuri', 'unix'; | |
831 | } | |
95a4b4a9 | 832 | |
42668529 DM |
833 | if ($self->{forcemachine}) { |
834 | push @$cmd, '--machine', $self->{forcemachine}; | |
835 | } | |
836 | ||
58c64ad5 SR |
837 | if ($self->{forcecpu}) { |
838 | push @$cmd, '--force-cpu', $self->{forcecpu}; | |
839 | } | |
840 | ||
efe0d457 | 841 | if ($self->{storage_migration}) { |
4530494b | 842 | push @$cmd, '--targetstorage', ($self->{opts}->{targetstorage} // '1'); |
b74cad8a AD |
843 | } |
844 | ||
86b8228b | 845 | my $spice_port; |
ae194a5c | 846 | my $unix_socket_info = {}; |
7827de41 ML |
847 | # version > 0 for unix socket support |
848 | my $nbd_protocol_version = 1; | |
692f604b FE |
849 | my $input = "nbd_protocol_version: $nbd_protocol_version\n"; |
850 | $input .= "spice_ticket: $spice_ticket\n" if $spice_ticket; | |
cee620e6 | 851 | |
4b26ffbf FE |
852 | my @online_replicated_volumes = $self->filter_local_volumes('online', 1); |
853 | foreach my $volid (@online_replicated_volumes) { | |
efe0d457 | 854 | $input .= "replicated_volume: $volid\n"; |
88126be3 FG |
855 | } |
856 | ||
efbbe59d FE |
857 | my $handle_storage_migration_listens = sub { |
858 | my ($drive_key, $drivestr, $nbd_uri) = @_; | |
859 | ||
860 | $self->{stopnbd} = 1; | |
861 | $self->{target_drive}->{$drive_key}->{drivestr} = $drivestr; | |
862 | $self->{target_drive}->{$drive_key}->{nbd_uri} = $nbd_uri; | |
863 | ||
864 | my $source_drive = PVE::QemuServer::parse_drive($drive_key, $conf->{$drive_key}); | |
865 | my $target_drive = PVE::QemuServer::parse_drive($drive_key, $drivestr); | |
866 | my $source_volid = $source_drive->{file}; | |
867 | my $target_volid = $target_drive->{file}; | |
868 | ||
869 | $self->{volume_map}->{$source_volid} = $target_volid; | |
870 | $self->log('info', "volume '$source_volid' is '$target_volid' on the target\n"); | |
871 | }; | |
872 | ||
88126be3 | 873 | my $target_replicated_volumes = {}; |
86b8228b | 874 | |
7c14dcae DM |
875 | # Note: We try to keep $spice_ticket secret (do not pass via command line parameter) |
876 | # instead we pipe it through STDIN | |
7827de41 | 877 | my $exitcode = PVE::Tools::run_command($cmd, input => $input, outfunc => sub { |
1e3baf05 DM |
878 | my $line = shift; |
879 | ||
407e0b8b | 880 | if ($line =~ m/^migration listens on tcp:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+)$/) { |
5bc1e039 SP |
881 | $raddr = $1; |
882 | $rport = int($2); | |
1c9d54bf TL |
883 | $ruri = "tcp:$raddr:$rport"; |
884 | } | |
885 | elsif ($line =~ m!^migration listens on unix:(/run/qemu-server/(\d+)\.migrate)$!) { | |
886 | $raddr = $1; | |
887 | die "Destination UNIX sockets VMID does not match source VMID" if $vmid ne $2; | |
888 | $ruri = "unix:$raddr"; | |
5bc1e039 SP |
889 | } |
890 | elsif ($line =~ m/^migration listens on port (\d+)$/) { | |
891 | $raddr = "localhost"; | |
86b8228b | 892 | $rport = int($1); |
1c9d54bf | 893 | $ruri = "tcp:$raddr:$rport"; |
5bc1e039 | 894 | } |
f3a483b6 | 895 | elsif ($line =~ m/^spice listens on port (\d+)$/) { |
86b8228b | 896 | $spice_port = int($1); |
1e3baf05 | 897 | } |
769f187d | 898 | elsif ($line =~ m/^storage migration listens on nbd:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+):exportname=(\S+) volume:(\S+)$/) { |
8b02e568 | 899 | my $drivestr = $4; |
b74cad8a AD |
900 | my $nbd_uri = "nbd:$1:$2:exportname=$3"; |
901 | my $targetdrive = $3; | |
902 | $targetdrive =~ s/drive-//g; | |
903 | ||
efbbe59d | 904 | $handle_storage_migration_listens->($targetdrive, $drivestr, $nbd_uri); |
7827de41 ML |
905 | } elsif ($line =~ m!^storage migration listens on nbd:unix:(/run/qemu-server/(\d+)_nbd\.migrate):exportname=(\S+) volume:(\S+)$!) { |
906 | my $drivestr = $4; | |
907 | die "Destination UNIX socket's VMID does not match source VMID" if $vmid ne $2; | |
908 | my $nbd_unix_addr = $1; | |
909 | my $nbd_uri = "nbd:unix:$nbd_unix_addr:exportname=$3"; | |
910 | my $targetdrive = $3; | |
911 | $targetdrive =~ s/drive-//g; | |
b74cad8a | 912 | |
efbbe59d | 913 | $handle_storage_migration_listens->($targetdrive, $drivestr, $nbd_uri); |
ae194a5c | 914 | $unix_socket_info->{$nbd_unix_addr} = 1; |
88126be3 FG |
915 | } elsif ($line =~ m/^re-using replicated volume: (\S+) - (.*)$/) { |
916 | my $drive = $1; | |
917 | my $volid = $2; | |
918 | $target_replicated_volumes->{$volid} = $drive; | |
8bf30c2a SR |
919 | } elsif ($line =~ m/^QEMU: (.*)$/) { |
920 | $self->log('info', "[$self->{node}] $1\n"); | |
b74cad8a | 921 | } |
ab399b7c AD |
922 | }, errfunc => sub { |
923 | my $line = shift; | |
8bf30c2a | 924 | $self->log('info', "[$self->{node}] $line"); |
6e0216d8 SR |
925 | }, noerr => 1); |
926 | ||
927 | die "remote command failed with exit code $exitcode\n" if $exitcode; | |
1e3baf05 | 928 | |
5bc1e039 | 929 | die "unable to detect remote migration address\n" if !$raddr; |
1ef75254 | 930 | |
4b26ffbf | 931 | if (scalar(keys %$target_replicated_volumes) != scalar(@online_replicated_volumes)) { |
88126be3 FG |
932 | die "number of replicated disks on source and target node do not match - target node too old?\n" |
933 | } | |
934 | ||
d296ed08 | 935 | $self->log('info', "start remote tunnel"); |
7d730f95 | 936 | $self->start_remote_tunnel($raddr, $rport, $ruri, $unix_socket_info); |
d296ed08 | 937 | |
efe0d457 | 938 | if ($self->{storage_migration}) { |
b74cad8a AD |
939 | $self->{storage_migration_jobs} = {}; |
940 | $self->log('info', "starting storage migration"); | |
941 | ||
bd2d5fe6 | 942 | die "The number of local disks does not match between the source and the destination.\n" |
efe0d457 | 943 | if (scalar(keys %{$self->{target_drive}}) != scalar(@online_local_volumes)); |
b74cad8a | 944 | foreach my $drive (keys %{$self->{target_drive}}){ |
d189e590 SI |
945 | my $target = $self->{target_drive}->{$drive}; |
946 | my $nbd_uri = $target->{nbd_uri}; | |
683ab654 | 947 | |
1764fa05 | 948 | my $source_drive = PVE::QemuServer::parse_drive($drive, $conf->{$drive}); |
97ece9dd | 949 | my $source_volid = $source_drive->{file}; |
97ece9dd | 950 | |
c3417e3b | 951 | my $bwlimit = $local_volumes->{$source_volid}->{bwlimit}; |
9b6efe43 | 952 | my $bitmap = $target->{bitmap}; |
d189e590 | 953 | |
d108cb1e | 954 | $self->log('info', "$drive: start migration to $nbd_uri"); |
9b6efe43 | 955 | PVE::QemuServer::qemu_drive_mirror($vmid, $drive, $nbd_uri, $vmid, undef, $self->{storage_migration_jobs}, 'skip', undef, $bwlimit, $bitmap); |
b74cad8a AD |
956 | } |
957 | } | |
958 | ||
1c9d54bf | 959 | $self->log('info', "starting online/live migration on $ruri"); |
5bc1e039 | 960 | $self->{livemigration} = 1; |
e18b0b99 | 961 | |
3beb415b AD |
962 | # load_defaults |
963 | my $defaults = PVE::QemuServer::load_defaults(); | |
964 | ||
7de328c6 TL |
965 | $self->log('info', "set migration capabilities"); |
966 | eval { PVE::QemuServer::set_migration_caps($vmid) }; | |
485449e3 SR |
967 | warn $@ if $@; |
968 | ||
969 | my $qemu_migrate_params = {}; | |
970 | ||
ddd664d7 SI |
971 | # migrate speed can be set via bwlimit (datacenter.cfg and API) and via the |
972 | # migrate_speed parameter in qm.conf - take the lower of the two. | |
c3417e3b | 973 | my $bwlimit = PVE::Storage::get_bandwidth_limit('migration', undef, $self->{opts}->{bwlimit}) // 0; |
2c4ba4c3 | 974 | my $migrate_speed = $conf->{migrate_speed} // 0; |
8f43ac48 | 975 | $migrate_speed *= 1024; # migrate_speed is in MB/s, bwlimit in KB/s |
ddd664d7 | 976 | |
2c4ba4c3 FE |
977 | if ($bwlimit && $migrate_speed) { |
978 | $migrate_speed = ($bwlimit < $migrate_speed) ? $bwlimit : $migrate_speed; | |
979 | } else { | |
980 | $migrate_speed ||= $bwlimit; | |
981 | } | |
a89bd100 | 982 | $migrate_speed ||= ($defaults->{migrate_speed} || 0) * 1024; |
ddd664d7 | 983 | |
a89bd100 TL |
984 | if ($migrate_speed) { |
985 | $migrate_speed *= 1024; # qmp takes migrate_speed in B/s. | |
0fca250a | 986 | $self->log('info', "migration speed limit: ". render_bytes($migrate_speed, 1) ."/s"); |
8f43ac48 TL |
987 | } else { |
988 | # always set migrate speed as QEMU default to 128 MiBps == 1 Gbps, use 16 GiBps == 128 Gbps | |
989 | $migrate_speed = (16 << 30); | |
a89bd100 | 990 | } |
8f43ac48 | 991 | $qemu_migrate_params->{'max-bandwidth'} = int($migrate_speed); |
3beb415b AD |
992 | |
993 | my $migrate_downtime = $defaults->{migrate_downtime}; | |
994 | $migrate_downtime = $conf->{migrate_downtime} if defined($conf->{migrate_downtime}); | |
c05f1b33 SR |
995 | # migrate-set-parameters expects limit in ms |
996 | $migrate_downtime *= 1000; | |
997 | $self->log('info', "migration downtime limit: $migrate_downtime ms"); | |
998 | $qemu_migrate_params->{'downtime-limit'} = int($migrate_downtime); | |
3beb415b | 999 | |
171ed95c EK |
1000 | # set cachesize to 10% of the total memory |
1001 | my $memory = $conf->{memory} || $defaults->{memory}; | |
1002 | my $cachesize = int($memory * 1048576 / 10); | |
50d8dd5d AD |
1003 | $cachesize = round_powerof2($cachesize); |
1004 | ||
0fca250a | 1005 | $self->log('info', "migration cachesize: " . render_bytes($cachesize, 1)); |
485449e3 SR |
1006 | $qemu_migrate_params->{'xbzrle-cache-size'} = int($cachesize); |
1007 | ||
1008 | $self->log('info', "set migration parameters"); | |
e18b0b99 | 1009 | eval { |
485449e3 | 1010 | mon_cmd($vmid, "migrate-set-parameters", %{$qemu_migrate_params}); |
e18b0b99 | 1011 | }; |
485449e3 | 1012 | $self->log('info', "migrate-set-parameters error: $@") if $@; |
f34d1466 | 1013 | |
86b8228b | 1014 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
95a4b4a9 AD |
1015 | my $rpcenv = PVE::RPCEnvironment::get(); |
1016 | my $authuser = $rpcenv->get_user(); | |
1017 | ||
86b8228b | 1018 | my (undef, $proxyticket) = PVE::AccessControl::assemble_spice_ticket($authuser, $vmid, $self->{node}); |
95a4b4a9 | 1019 | |
86b8228b | 1020 | my $filename = "/etc/pve/nodes/$self->{node}/pve-ssl.pem"; |
769f187d | 1021 | my $subject = PVE::AccessControl::read_x509_subject_spice($filename); |
95a4b4a9 AD |
1022 | |
1023 | $self->log('info', "spice client_migrate_info"); | |
1024 | ||
1025 | eval { | |
0a13e08e | 1026 | mon_cmd($vmid, "client_migrate_info", protocol => 'spice', |
ccab68c2 | 1027 | hostname => $proxyticket, 'port' => 0, 'tls-port' => $spice_port, |
86b8228b | 1028 | 'cert-subject' => $subject); |
95a4b4a9 AD |
1029 | }; |
1030 | $self->log('info', "client_migrate_info error: $@") if $@; | |
1031 | ||
1032 | } | |
1033 | ||
9938d24d FE |
1034 | my $start = time(); |
1035 | ||
f34d1466 | 1036 | $self->log('info', "start migrate command to $ruri"); |
5a7835f5 | 1037 | eval { |
0a13e08e | 1038 | mon_cmd($vmid, "migrate", uri => $ruri); |
5a7835f5 AD |
1039 | }; |
1040 | my $merr = $@; | |
1c9d54bf | 1041 | $self->log('info', "migrate uri => $ruri failed: $merr") if $merr; |
1e3baf05 | 1042 | |
e693c491 | 1043 | my $last_mem_transferred = 0; |
4305207d | 1044 | my $usleep = 1000000; |
e52bd94c | 1045 | my $i = 0; |
b0b756c1 | 1046 | my $err_count = 0; |
865ef132 SP |
1047 | my $lastrem = undef; |
1048 | my $downtimecounter = 0; | |
1e3baf05 | 1049 | while (1) { |
e52bd94c | 1050 | $i++; |
e693c491 | 1051 | my $avglstat = $last_mem_transferred ? $last_mem_transferred / $i : 0; |
e52bd94c | 1052 | |
b0b756c1 | 1053 | usleep($usleep); |
6539865a TL |
1054 | |
1055 | my $stat = eval { mon_cmd($vmid, "query-migrate") }; | |
b0b756c1 DM |
1056 | if (my $err = $@) { |
1057 | $err_count++; | |
1058 | warn "query migrate failed: $err\n"; | |
f34d1466 | 1059 | $self->log('info', "query migrate failed: $err"); |
b0b756c1 | 1060 | if ($err_count <= 5) { |
6539865a | 1061 | usleep(1_000_000); |
b0b756c1 DM |
1062 | next; |
1063 | } | |
1064 | die "too many query migrate failures - aborting\n"; | |
1065 | } | |
985a5f48 | 1066 | |
6539865a TL |
1067 | my $status = $stat->{status}; |
1068 | if (defined($status) && $status =~ m/^(setup)$/im) { | |
1069 | sleep(1); | |
1070 | next; | |
1071 | } | |
f5eb281a | 1072 | |
6539865a TL |
1073 | if (!defined($status) || $status !~ m/^(active|completed|failed|cancelled)$/im) { |
1074 | die $merr if $merr; | |
1075 | die "unable to parse migration status '$status' - aborting\n"; | |
1076 | } | |
1077 | $merr = undef; | |
1078 | $err_count = 0; | |
1079 | ||
e693c491 TL |
1080 | my $memstat = $stat->{ram}; |
1081 | ||
6539865a TL |
1082 | if ($status eq 'completed') { |
1083 | my $delay = time() - $start; | |
1084 | if ($delay > 0) { | |
0fca250a TL |
1085 | my $total = $memstat->{total} || 0; |
1086 | my $avg_speed = render_bytes($total / $delay, 1); | |
6539865a | 1087 | my $downtime = $stat->{downtime} || 0; |
0fca250a | 1088 | $self->log('info', "average migration speed: $avg_speed/s - downtime $downtime ms"); |
1e3baf05 | 1089 | } |
6539865a | 1090 | } |
1e3baf05 | 1091 | |
6539865a TL |
1092 | if ($status eq 'failed' || $status eq 'cancelled') { |
1093 | $self->log('info', "migration status error: $status"); | |
1094 | die "aborting\n" | |
1095 | } | |
a05b47a8 | 1096 | |
6539865a TL |
1097 | if ($status ne 'active') { |
1098 | $self->log('info', "migration status: $status"); | |
1099 | last; | |
1100 | } | |
2e787b18 | 1101 | |
e693c491 TL |
1102 | if ($memstat->{transferred} ne $last_mem_transferred) { |
1103 | my $trans = $memstat->{transferred} || 0; | |
1104 | my $rem = $memstat->{remaining} || 0; | |
1105 | my $total = $memstat->{total} || 0; | |
0fca250a TL |
1106 | my $speed = ($memstat->{'pages-per-second'} // 0) * ($memstat->{'page-size'} // 0); |
1107 | my $dirty_rate = ($memstat->{'dirty-pages-rate'} // 0) * ($memstat->{'page-size'} // 0); | |
a05b47a8 | 1108 | |
6539865a TL |
1109 | # reduce sleep if remainig memory is lower than the average transfer speed |
1110 | $usleep = 100_000 if $avglstat && $rem < $avglstat; | |
865ef132 | 1111 | |
b68a957b TL |
1112 | # also reduce loggin if we poll more frequent |
1113 | my $should_log = $usleep > 100_000 ? 1 : ($i % 10) == 0; | |
370b05e7 | 1114 | |
0fca250a TL |
1115 | my $total_h = render_bytes($total, 1); |
1116 | my $transferred_h = render_bytes($trans, 1); | |
1117 | my $speed_h = render_bytes($speed, 1); | |
1118 | ||
1119 | my $progress = "transferred $transferred_h of $total_h VM-state, ${speed_h}/s"; | |
1120 | ||
1121 | if ($dirty_rate > $speed) { | |
1122 | my $dirty_rate_h = render_bytes($dirty_rate, 1); | |
1123 | $progress .= ", VM dirties lots of memory: $dirty_rate_h/s"; | |
1124 | } | |
1125 | ||
b68a957b | 1126 | $self->log('info', "migration $status, $progress") if $should_log; |
0fca250a TL |
1127 | |
1128 | my $xbzrle = $stat->{"xbzrle-cache"} || {}; | |
1129 | my ($xbzrlebytes, $xbzrlepages) = $xbzrle->@{'bytes', 'pages'}; | |
1130 | if ($xbzrlebytes || $xbzrlepages) { | |
1131 | my $bytes_h = render_bytes($xbzrlebytes, 1); | |
1132 | ||
1133 | my $msg = "send updates to $xbzrlepages pages in $bytes_h encoded memory"; | |
1134 | ||
1135 | $msg .= sprintf(", cache-miss %.2f%%", $xbzrle->{'cache-miss-rate'} * 100) | |
1136 | if $xbzrle->{'cache-miss-rate'}; | |
1137 | ||
1138 | $msg .= ", overflow $xbzrle->{overflow}" if $xbzrle->{overflow}; | |
1139 | ||
b68a957b | 1140 | $self->log('info', "xbzrle: $msg") if $should_log; |
6539865a TL |
1141 | } |
1142 | ||
e693c491 | 1143 | if (($lastrem && $rem > $lastrem) || ($rem == 0)) { |
6539865a TL |
1144 | $downtimecounter++; |
1145 | } | |
1146 | $lastrem = $rem; | |
1147 | ||
1148 | if ($downtimecounter > 5) { | |
1149 | $downtimecounter = 0; | |
1150 | $migrate_downtime *= 2; | |
1151 | $self->log('info', "auto-increased downtime to continue migration: $migrate_downtime ms"); | |
1152 | eval { | |
1153 | # migrate-set-parameters does not touch values not | |
1154 | # specified, so this only changes downtime-limit | |
1155 | mon_cmd($vmid, "migrate-set-parameters", 'downtime-limit' => int($migrate_downtime)); | |
1156 | }; | |
1157 | $self->log('info', "migrate-set-parameters error: $@") if $@; | |
1158 | } | |
1e3baf05 | 1159 | } |
6539865a | 1160 | |
e693c491 | 1161 | $last_mem_transferred = $memstat->{transferred}; |
a05b47a8 | 1162 | } |
0783c3c2 FE |
1163 | |
1164 | if ($self->{storage_migration}) { | |
1165 | # finish block-job with block-job-cancel, to disconnect source VM from NBD | |
1166 | # to avoid it trying to re-establish it. We are in blockjob ready state, | |
1167 | # thus, this command changes to it to blockjob complete (see qapi docs) | |
1168 | eval { PVE::QemuServer::qemu_drive_mirror_monitor($vmid, undef, $self->{storage_migration_jobs}, 'cancel'); }; | |
1169 | if (my $err = $@) { | |
1170 | die "Failed to complete storage migration: $err\n"; | |
1171 | } | |
1172 | } | |
1e3baf05 | 1173 | } |
16e903f2 | 1174 | |
c04b5b04 AD |
1175 | sub phase2_cleanup { |
1176 | my ($self, $vmid, $err) = @_; | |
1177 | ||
af30308f DM |
1178 | return if !$self->{errors}; |
1179 | $self->{phase2errors} = 1; | |
1180 | ||
c04b5b04 AD |
1181 | $self->log('info', "aborting phase 2 - cleanup resources"); |
1182 | ||
19168b91 SP |
1183 | $self->log('info', "migrate_cancel"); |
1184 | eval { | |
0a13e08e | 1185 | mon_cmd($vmid, "migrate_cancel"); |
19168b91 SP |
1186 | }; |
1187 | $self->log('info', "migrate_cancel error: $@") if $@; | |
1188 | ||
c04b5b04 AD |
1189 | my $conf = $self->{vmconf}; |
1190 | delete $conf->{lock}; | |
ffda963f | 1191 | eval { PVE::QemuConfig->write_config($vmid, $conf) }; |
c04b5b04 AD |
1192 | if (my $err = $@) { |
1193 | $self->log('err', $err); | |
1194 | } | |
1195 | ||
af30308f | 1196 | # cleanup ressources on target host |
3b4cf0f0 | 1197 | if ($self->{storage_migration}) { |
b74cad8a AD |
1198 | eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $self->{storage_migration_jobs}) }; |
1199 | if (my $err = $@) { | |
1200 | $self->log('err', $err); | |
1201 | } | |
9b3f5a5c | 1202 | } |
b74cad8a | 1203 | |
9b3f5a5c FG |
1204 | eval { $self->cleanup_bitmaps() }; |
1205 | if (my $err =$@) { | |
1206 | $self->log('err', $err); | |
b74cad8a AD |
1207 | } |
1208 | ||
af30308f | 1209 | my $nodename = PVE::INotify::nodename(); |
370b05e7 | 1210 | |
af30308f DM |
1211 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'stop', $vmid, '--skiplock', '--migratedfrom', $nodename]; |
1212 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
1213 | if (my $err = $@) { | |
1214 | $self->log('err', $err); | |
1215 | $self->{errors} = 1; | |
1216 | } | |
386c6ba7 | 1217 | |
9b3f5a5c FG |
1218 | # cleanup after stopping, otherwise disks might be in-use by target VM! |
1219 | eval { PVE::QemuMigrate::cleanup_remotedisks($self) }; | |
1220 | if (my $err = $@) { | |
1221 | $self->log('err', $err); | |
1222 | } | |
1223 | ||
1224 | ||
386c6ba7 WL |
1225 | if ($self->{tunnel}) { |
1226 | eval { finish_tunnel($self, $self->{tunnel}); }; | |
1227 | if (my $err = $@) { | |
1228 | $self->log('err', $err); | |
1229 | $self->{errors} = 1; | |
1230 | } | |
1231 | } | |
c04b5b04 AD |
1232 | } |
1233 | ||
16e903f2 DM |
1234 | sub phase3 { |
1235 | my ($self, $vmid) = @_; | |
f5eb281a | 1236 | |
ad8b9d5e | 1237 | return; |
16e903f2 DM |
1238 | } |
1239 | ||
1240 | sub phase3_cleanup { | |
1241 | my ($self, $vmid, $err) = @_; | |
1242 | ||
1243 | my $conf = $self->{vmconf}; | |
af30308f | 1244 | return if $self->{phase2errors}; |
16e903f2 | 1245 | |
1d5aaa1d FG |
1246 | my $tunnel = $self->{tunnel}; |
1247 | ||
97ece9dd | 1248 | if ($self->{volume_map}) { |
38311a1d TL |
1249 | my $target_drives = $self->{target_drive}; |
1250 | ||
1251 | # FIXME: for NBD storage migration we now only update the volid, and | |
1252 | # not the full drivestr from the target node. Workaround that until we | |
1253 | # got some real rescan, to avoid things like wrong format in the drive | |
1254 | delete $conf->{$_} for keys %$target_drives; | |
97ece9dd | 1255 | PVE::QemuConfig->update_volume_ids($conf, $self->{volume_map}); |
38311a1d TL |
1256 | |
1257 | for my $drive (keys %$target_drives) { | |
1258 | $conf->{$drive} = $target_drives->{$drive}->{drivestr}; | |
1259 | } | |
37666e4c FE |
1260 | PVE::QemuConfig->write_config($vmid, $conf); |
1261 | } | |
1262 | ||
dbc9420b | 1263 | # transfer replication state before move config |
c2c96d73 | 1264 | $self->transfer_replication_state() if $self->{is_replicated}; |
27fa645e | 1265 | PVE::QemuConfig->move_config_to_node($vmid, $self->{node}); |
c2c96d73 | 1266 | $self->switch_replication_job_target() if $self->{is_replicated}; |
dbc9420b | 1267 | |
5bc1e039 | 1268 | if ($self->{livemigration}) { |
3e802221 TL |
1269 | if ($self->{stopnbd}) { |
1270 | $self->log('info', "stopping NBD storage migration server on target."); | |
504105c6 FG |
1271 | # stop nbd server on remote vm - requirement for resume since 2.9 |
1272 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'nbdstop', $vmid]; | |
1273 | ||
1274 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
1275 | if (my $err = $@) { | |
1276 | $self->log('err', $err); | |
1277 | $self->{errors} = 1; | |
1278 | } | |
1279 | } | |
1d5aaa1d | 1280 | |
877e2ea7 | 1281 | # config moved and nbd server stopped - now we can resume vm on target |
1d5aaa1d FG |
1282 | if ($tunnel && $tunnel->{version} && $tunnel->{version} >= 1) { |
1283 | eval { | |
1284 | $self->write_tunnel($tunnel, 30, "resume $vmid"); | |
1285 | }; | |
1286 | if (my $err = $@) { | |
1287 | $self->log('err', $err); | |
1288 | $self->{errors} = 1; | |
1289 | } | |
1290 | } else { | |
1291 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'resume', $vmid, '--skiplock', '--nocheck']; | |
1292 | my $logf = sub { | |
1293 | my $line = shift; | |
1294 | $self->log('err', $line); | |
1295 | }; | |
1296 | eval { PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => $logf); }; | |
1297 | if (my $err = $@) { | |
1298 | $self->log('err', $err); | |
1299 | $self->{errors} = 1; | |
1300 | } | |
b67900f1 | 1301 | } |
ca662131 SI |
1302 | |
1303 | if ($self->{storage_migration} && PVE::QemuServer::parse_guest_agent($conf)->{fstrim_cloned_disks} && $self->{running}) { | |
1304 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'guest', 'cmd', $vmid, 'fstrim']; | |
1305 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
1306 | } | |
b67900f1 AD |
1307 | } |
1308 | ||
2e7fee87 FG |
1309 | # close tunnel on successful migration, on error phase2_cleanup closed it |
1310 | if ($tunnel) { | |
1311 | eval { finish_tunnel($self, $tunnel); }; | |
1312 | if (my $err = $@) { | |
1313 | $self->log('err', $err); | |
1314 | $self->{errors} = 1; | |
1315 | } | |
1316 | } | |
1317 | ||
fd8469f7 | 1318 | eval { |
fd8469f7 AD |
1319 | my $timer = 0; |
1320 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga}) && $self->{running}) { | |
1321 | $self->log('info', "Waiting for spice server migration"); | |
1322 | while (1) { | |
0a13e08e | 1323 | my $res = mon_cmd($vmid, 'query-spice'); |
fd8469f7 AD |
1324 | last if int($res->{'migrated'}) == 1; |
1325 | last if $timer > 50; | |
1326 | $timer ++; | |
1327 | usleep(200000); | |
769f187d | 1328 | } |
fd8469f7 AD |
1329 | } |
1330 | }; | |
95a4b4a9 | 1331 | |
16e903f2 DM |
1332 | # always stop local VM |
1333 | eval { PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, 1, 1); }; | |
1334 | if (my $err = $@) { | |
1335 | $self->log('err', "stopping vm failed - $err"); | |
1336 | $self->{errors} = 1; | |
1337 | } | |
1338 | ||
1339 | # always deactivate volumes - avoid lvm LVs to be active on several nodes | |
1340 | eval { | |
1341 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); | |
1342 | PVE::Storage::deactivate_volumes($self->{storecfg}, $vollist); | |
1343 | }; | |
1344 | if (my $err = $@) { | |
1345 | $self->log('err', $err); | |
1346 | $self->{errors} = 1; | |
1347 | } | |
1348 | ||
4b26ffbf | 1349 | my @not_replicated_volumes = $self->filter_local_volumes(undef, 0); |
9b6efe43 | 1350 | |
4b26ffbf FE |
1351 | # destroy local copies |
1352 | foreach my $volid (@not_replicated_volumes) { | |
ad8b9d5e FE |
1353 | eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); }; |
1354 | if (my $err = $@) { | |
1355 | $self->log('err', "removing local copy of '$volid' failed - $err"); | |
1356 | $self->{errors} = 1; | |
1357 | last if $err =~ /^interrupted by signal$/; | |
b74cad8a | 1358 | } |
b74cad8a AD |
1359 | } |
1360 | ||
16e903f2 DM |
1361 | # clear migrate lock |
1362 | my $cmd = [ @{$self->{rem_ssh}}, 'qm', 'unlock', $vmid ]; | |
1363 | $self->cmd_logerr($cmd, errmsg => "failed to clear migrate lock"); | |
1364 | } | |
1365 | ||
1366 | sub final_cleanup { | |
1367 | my ($self, $vmid) = @_; | |
1368 | ||
1369 | # nothing to do | |
1370 | } | |
1371 | ||
50d8dd5d AD |
1372 | sub round_powerof2 { |
1373 | return 1 if $_[0] < 2; | |
1374 | return 2 << int(log($_[0]-1)/log(2)); | |
1375 | } | |
1376 | ||
16e903f2 | 1377 | 1; |