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Commit | Line | Data |
---|---|---|
3ea94c60 | 1 | package PVE::QemuMigrate; |
1ef75254 | 2 | |
1e3baf05 | 3 | use strict; |
3ea94c60 | 4 | use warnings; |
16e903f2 | 5 | use PVE::AbstractMigrate; |
3ea94c60 | 6 | use IO::File; |
1e3baf05 | 7 | use IPC::Open2; |
3ea94c60 | 8 | use PVE::INotify; |
f9a971e0 | 9 | use PVE::Tools; |
3ea94c60 | 10 | use PVE::Cluster; |
1e3baf05 | 11 | use PVE::Storage; |
3ea94c60 | 12 | use PVE::QemuServer; |
e52bd94c | 13 | use Time::HiRes qw( usleep ); |
1e3baf05 | 14 | |
16e903f2 | 15 | use base qw(PVE::AbstractMigrate); |
1e3baf05 | 16 | |
1ef75254 | 17 | sub fork_command_pipe { |
46a84fd4 | 18 | my ($self, $cmd) = @_; |
19672434 | 19 | |
1ef75254 DM |
20 | my $reader = IO::File->new(); |
21 | my $writer = IO::File->new(); | |
22 | ||
23 | my $orig_pid = $$; | |
24 | ||
25 | my $cpid; | |
26 | ||
27 | eval { $cpid = open2($reader, $writer, @$cmd); }; | |
28 | ||
29 | my $err = $@; | |
30 | ||
31 | # catch exec errors | |
32 | if ($orig_pid != $$) { | |
46a84fd4 | 33 | $self->log('err', "can't fork command pipe\n"); |
19672434 DM |
34 | POSIX::_exit(1); |
35 | kill('KILL', $$); | |
1ef75254 DM |
36 | } |
37 | ||
38 | die $err if $err; | |
39 | ||
40 | return { writer => $writer, reader => $reader, pid => $cpid }; | |
41 | } | |
42 | ||
19672434 | 43 | sub finish_command_pipe { |
97439670 | 44 | my ($self, $cmdpipe, $timeout) = @_; |
1ef75254 DM |
45 | |
46 | my $writer = $cmdpipe->{writer}; | |
47 | my $reader = $cmdpipe->{reader}; | |
48 | ||
49 | $writer->close(); | |
50 | $reader->close(); | |
51 | ||
52 | my $cpid = $cmdpipe->{pid}; | |
53 | ||
97439670 DM |
54 | if ($timeout) { |
55 | for (my $i = 0; $i < $timeout; $i++) { | |
56 | return if !PVE::ProcFSTools::check_process_running($cpid); | |
57 | sleep(1); | |
58 | } | |
59 | } | |
60 | ||
61 | $self->log('info', "ssh tunnel still running - terminating now with SIGTERM\n"); | |
62 | kill(15, $cpid); | |
1ef75254 | 63 | |
97439670 DM |
64 | # wait again |
65 | for (my $i = 0; $i < 10; $i++) { | |
66 | return if !PVE::ProcFSTools::check_process_running($cpid); | |
67 | sleep(1); | |
68 | } | |
69 | ||
70 | $self->log('info', "ssh tunnel still running - terminating now with SIGKILL\n"); | |
71 | kill 9, $cpid; | |
72 | sleep 1; | |
1ef75254 DM |
73 | } |
74 | ||
1e3baf05 | 75 | sub fork_tunnel { |
16e903f2 | 76 | my ($self, $nodeip, $lport, $rport) = @_; |
1e3baf05 | 77 | |
16e903f2 | 78 | my $cmd = [@{$self->{rem_ssh}}, '-L', "$lport:localhost:$rport", |
1e3baf05 | 79 | 'qm', 'mtunnel' ]; |
19672434 | 80 | |
46a84fd4 | 81 | my $tunnel = $self->fork_command_pipe($cmd); |
1e3baf05 DM |
82 | |
83 | my $reader = $tunnel->{reader}; | |
84 | ||
85 | my $helo; | |
19672434 | 86 | eval { |
17eed025 | 87 | PVE::Tools::run_with_timeout(60, sub { $helo = <$reader>; }); |
1e3baf05 | 88 | die "no reply\n" if !$helo; |
1ef75254 | 89 | die "no quorum on target node\n" if $helo =~ m/^no quorum$/; |
19672434 | 90 | die "got strange reply from mtunnel ('$helo')\n" |
1e3baf05 DM |
91 | if $helo !~ m/^tunnel online$/; |
92 | }; | |
93 | my $err = $@; | |
94 | ||
95 | if ($err) { | |
46a84fd4 | 96 | $self->finish_command_pipe($tunnel); |
1e3baf05 DM |
97 | die "can't open migration tunnel - $err"; |
98 | } | |
99 | return $tunnel; | |
100 | } | |
101 | ||
19672434 | 102 | sub finish_tunnel { |
16e903f2 | 103 | my ($self, $tunnel) = @_; |
1e3baf05 DM |
104 | |
105 | my $writer = $tunnel->{writer}; | |
106 | ||
19672434 | 107 | eval { |
17eed025 | 108 | PVE::Tools::run_with_timeout(30, sub { |
1e3baf05 DM |
109 | print $writer "quit\n"; |
110 | $writer->flush(); | |
19672434 | 111 | }); |
1e3baf05 DM |
112 | }; |
113 | my $err = $@; | |
19672434 | 114 | |
97439670 | 115 | $self->finish_command_pipe($tunnel, 30); |
19672434 | 116 | |
1e3baf05 DM |
117 | die $err if $err; |
118 | } | |
119 | ||
16e903f2 DM |
120 | sub lock_vm { |
121 | my ($self, $vmid, $code, @param) = @_; | |
f5eb281a | 122 | |
16e903f2 DM |
123 | return PVE::QemuServer::lock_config($vmid, $code, @param); |
124 | } | |
ff1a2432 | 125 | |
16e903f2 DM |
126 | sub prepare { |
127 | my ($self, $vmid) = @_; | |
ff1a2432 | 128 | |
16e903f2 | 129 | my $online = $self->{opts}->{online}; |
3ea94c60 | 130 | |
16e903f2 | 131 | $self->{storecfg} = PVE::Storage::config(); |
3ea94c60 | 132 | |
16e903f2 DM |
133 | # test is VM exist |
134 | my $conf = $self->{vmconf} = PVE::QemuServer::load_config($vmid); | |
3ea94c60 | 135 | |
16e903f2 | 136 | PVE::QemuServer::check_lock($conf); |
3ea94c60 | 137 | |
16e903f2 DM |
138 | my $running = 0; |
139 | if (my $pid = PVE::QemuServer::check_running($vmid)) { | |
140 | die "cant migrate running VM without --online\n" if !$online; | |
141 | $running = $pid; | |
42668529 | 142 | $self->{forcemachine} = PVE::QemuServer::get_current_qemu_machine($vmid); |
3ea94c60 DM |
143 | } |
144 | ||
16e903f2 DM |
145 | if (my $loc_res = PVE::QemuServer::check_local_resources($conf, 1)) { |
146 | if ($self->{running} || !$self->{opts}->{force}) { | |
147 | die "can't migrate VM which uses local devices\n"; | |
148 | } else { | |
149 | $self->log('info', "migrating VM which uses local devices"); | |
150 | } | |
3ea94c60 DM |
151 | } |
152 | ||
ff1a2432 DM |
153 | # activate volumes |
154 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); | |
16e903f2 DM |
155 | PVE::Storage::activate_volumes($self->{storecfg}, $vollist); |
156 | ||
157 | # fixme: check if storage is available on both nodes | |
3ea94c60 DM |
158 | |
159 | # test ssh connection | |
16e903f2 DM |
160 | my $cmd = [ @{$self->{rem_ssh}}, '/bin/true' ]; |
161 | eval { $self->cmd_quiet($cmd); }; | |
3ea94c60 | 162 | die "Can't connect to destination address using public key\n" if $@; |
ff1a2432 | 163 | |
16e903f2 | 164 | return $running; |
3ea94c60 DM |
165 | } |
166 | ||
167 | sub sync_disks { | |
16e903f2 DM |
168 | my ($self, $vmid) = @_; |
169 | ||
170 | $self->log('info', "copying disk images"); | |
3ea94c60 | 171 | |
16e903f2 DM |
172 | my $conf = $self->{vmconf}; |
173 | ||
174 | $self->{volumes} = []; | |
3ea94c60 DM |
175 | |
176 | my $res = []; | |
177 | ||
178 | eval { | |
179 | ||
180 | my $volhash = {}; | |
181 | my $cdromhash = {}; | |
182 | ||
a06c7f7e DM |
183 | my $sharedvm = 1; |
184 | ||
522c8f97 DM |
185 | my @sids = PVE::Storage::storage_ids($self->{storecfg}); |
186 | foreach my $storeid (@sids) { | |
187 | my $scfg = PVE::Storage::storage_config($self->{storecfg}, $storeid); | |
188 | next if $scfg->{shared}; | |
373ea579 DM |
189 | next if !PVE::Storage::storage_check_enabled($self->{storecfg}, $storeid, undef, 1); |
190 | ||
80b2cbd1 AD |
191 | # get list from PVE::Storage (for unused volumes) |
192 | my $dl = PVE::Storage::vdisk_list($self->{storecfg}, $storeid, $vmid); | |
193 | PVE::Storage::foreach_volid($dl, sub { | |
194 | my ($volid, $sid, $volname) = @_; | |
195 | ||
373ea579 | 196 | # check if storage is available on target node |
80b2cbd1 AD |
197 | PVE::Storage::storage_check_node($self->{storecfg}, $sid, $self->{node}); |
198 | ||
199 | $volhash->{$volid} = 1; | |
a06c7f7e | 200 | $sharedvm = 0; # there is a non-shared disk |
80b2cbd1 AD |
201 | }); |
202 | } | |
3ea94c60 | 203 | |
d5769dc2 | 204 | # and add used, owned/non-shared disks (just to be sure we have all) |
3ea94c60 | 205 | |
d5769dc2 DM |
206 | PVE::QemuServer::foreach_volid($conf, sub { |
207 | my ($volid, $is_cdrom) = @_; | |
3ea94c60 | 208 | |
3ea94c60 DM |
209 | return if !$volid; |
210 | ||
211 | die "cant migrate local file/device '$volid'\n" if $volid =~ m|^/|; | |
212 | ||
d5769dc2 | 213 | if ($is_cdrom) { |
3ea94c60 DM |
214 | die "cant migrate local cdrom drive\n" if $volid eq 'cdrom'; |
215 | return if $volid eq 'none'; | |
216 | $cdromhash->{$volid} = 1; | |
217 | } | |
218 | ||
219 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
220 | ||
16e903f2 DM |
221 | # check if storage is available on both nodes |
222 | my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $sid); | |
223 | PVE::Storage::storage_check_node($self->{storecfg}, $sid, $self->{node}); | |
3ea94c60 DM |
224 | |
225 | return if $scfg->{shared}; | |
226 | ||
227 | die "can't migrate local cdrom '$volid'\n" if $cdromhash->{$volid}; | |
228 | ||
229 | $sharedvm = 0; | |
230 | ||
16e903f2 | 231 | my ($path, $owner) = PVE::Storage::path($self->{storecfg}, $volid); |
3ea94c60 DM |
232 | |
233 | die "can't migrate volume '$volid' - owned by other VM (owner = VM $owner)\n" | |
16e903f2 | 234 | if !$owner || ($owner != $self->{vmid}); |
3ea94c60 DM |
235 | |
236 | $volhash->{$volid} = 1; | |
237 | }); | |
238 | ||
16e903f2 | 239 | if ($self->{running} && !$sharedvm) { |
3ea94c60 DM |
240 | die "can't do online migration - VM uses local disks\n"; |
241 | } | |
242 | ||
243 | # do some checks first | |
244 | foreach my $volid (keys %$volhash) { | |
245 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
16e903f2 | 246 | my $scfg = PVE::Storage::storage_config($self->{storecfg}, $sid); |
3ea94c60 DM |
247 | |
248 | die "can't migrate '$volid' - storagy type '$scfg->{type}' not supported\n" | |
249 | if $scfg->{type} ne 'dir'; | |
d5604092 | 250 | |
b7b1ac9d DM |
251 | # if file, check if a backing file exist |
252 | if (($scfg->{type} eq 'dir') && (!$sharedvm)) { | |
d5604092 | 253 | my (undef, undef, undef, $parent) = PVE::Storage::volume_size_info($self->{storecfg}, $volid, 1); |
b7b1ac9d | 254 | die "can't migrate '$volid' as it's a clone of '$parent'" if $parent; |
d5604092 | 255 | } |
3ea94c60 DM |
256 | } |
257 | ||
258 | foreach my $volid (keys %$volhash) { | |
259 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
16e903f2 DM |
260 | push @{$self->{volumes}}, $volid; |
261 | PVE::Storage::storage_migrate($self->{storecfg}, $volid, $self->{nodeip}, $sid); | |
3ea94c60 DM |
262 | } |
263 | }; | |
264 | die "Failed to sync data - $@" if $@; | |
265 | } | |
266 | ||
1e3baf05 | 267 | sub phase1 { |
16e903f2 | 268 | my ($self, $vmid) = @_; |
1e3baf05 | 269 | |
16e903f2 | 270 | $self->log('info', "starting migration of VM $vmid to node '$self->{node}' ($self->{nodeip})"); |
1e3baf05 | 271 | |
16e903f2 | 272 | my $conf = $self->{vmconf}; |
1e3baf05 DM |
273 | |
274 | # set migrate lock in config file | |
1858638f DM |
275 | $conf->{lock} = 'migrate'; |
276 | PVE::QemuServer::update_config_nolock($vmid, $conf, 1); | |
1e3baf05 | 277 | |
16e903f2 | 278 | sync_disks($self, $vmid); |
1ef75254 | 279 | |
1e3baf05 DM |
280 | }; |
281 | ||
16e903f2 DM |
282 | sub phase1_cleanup { |
283 | my ($self, $vmid, $err) = @_; | |
284 | ||
285 | $self->log('info', "aborting phase 1 - cleanup resources"); | |
286 | ||
1858638f DM |
287 | my $conf = $self->{vmconf}; |
288 | delete $conf->{lock}; | |
289 | eval { PVE::QemuServer::update_config_nolock($vmid, $conf, 1) }; | |
16e903f2 DM |
290 | if (my $err = $@) { |
291 | $self->log('err', $err); | |
292 | } | |
f5eb281a | 293 | |
16e903f2 DM |
294 | if ($self->{volumes}) { |
295 | foreach my $volid (@{$self->{volumes}}) { | |
296 | $self->log('err', "found stale volume copy '$volid' on node '$self->{node}'"); | |
297 | # fixme: try to remove ? | |
298 | } | |
299 | } | |
300 | } | |
301 | ||
1e3baf05 | 302 | sub phase2 { |
16e903f2 | 303 | my ($self, $vmid) = @_; |
1e3baf05 | 304 | |
16e903f2 DM |
305 | my $conf = $self->{vmconf}; |
306 | ||
46a84fd4 | 307 | $self->log('info', "starting VM $vmid on remote node '$self->{node}'"); |
1e3baf05 DM |
308 | |
309 | my $rport; | |
310 | ||
7e8dcf2c AD |
311 | my $nodename = PVE::INotify::nodename(); |
312 | ||
19672434 | 313 | ## start on remote node |
7e8dcf2c AD |
314 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'start', |
315 | $vmid, '--stateuri', 'tcp', '--skiplock', '--migratedfrom', $nodename]; | |
1e3baf05 | 316 | |
42668529 DM |
317 | if ($self->{forcemachine}) { |
318 | push @$cmd, '--machine', $self->{forcemachine}; | |
319 | } | |
320 | ||
72afda82 | 321 | PVE::Tools::run_command($cmd, outfunc => sub { |
1e3baf05 DM |
322 | my $line = shift; |
323 | ||
324 | if ($line =~ m/^migration listens on port (\d+)$/) { | |
325 | $rport = $1; | |
326 | } | |
ab399b7c AD |
327 | }, errfunc => sub { |
328 | my $line = shift; | |
329 | $self->log('info', $line); | |
330 | }); | |
1e3baf05 DM |
331 | |
332 | die "unable to detect remote migration port\n" if !$rport; | |
333 | ||
16e903f2 | 334 | $self->log('info', "starting migration tunnel"); |
1ef75254 | 335 | |
1e3baf05 | 336 | ## create tunnel to remote port |
f9a971e0 | 337 | my $lport = PVE::Tools::next_migrate_port(); |
16e903f2 | 338 | $self->{tunnel} = $self->fork_tunnel($self->{nodeip}, $lport, $rport); |
1e3baf05 | 339 | |
d68afb26 | 340 | $self->log('info', "starting online/live migration on port $lport"); |
1e3baf05 DM |
341 | # start migration |
342 | ||
343 | my $start = time(); | |
e18b0b99 | 344 | |
3beb415b AD |
345 | # load_defaults |
346 | my $defaults = PVE::QemuServer::load_defaults(); | |
347 | ||
348 | # always set migrate speed (overwrite kvm default of 32m) | |
349 | # we set a very hight default of 8192m which is basically unlimited | |
350 | my $migrate_speed = $defaults->{migrate_speed} || 8192; | |
351 | $migrate_speed = $conf->{migrate_speed} || $migrate_speed; | |
352 | $migrate_speed = $migrate_speed * 1048576; | |
353 | $self->log('info', "migrate_set_speed: $migrate_speed"); | |
354 | eval { | |
355 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_set_speed", value => int($migrate_speed)); | |
356 | }; | |
357 | $self->log('info', "migrate_set_speed error: $@") if $@; | |
358 | ||
359 | my $migrate_downtime = $defaults->{migrate_downtime}; | |
360 | $migrate_downtime = $conf->{migrate_downtime} if defined($conf->{migrate_downtime}); | |
361 | if (defined($migrate_downtime)) { | |
362 | $self->log('info', "migrate_set_downtime: $migrate_downtime"); | |
363 | eval { | |
865ef132 | 364 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_set_downtime", value => int($migrate_downtime*100)/100); |
3beb415b AD |
365 | }; |
366 | $self->log('info', "migrate_set_downtime error: $@") if $@; | |
367 | } | |
368 | ||
e18b0b99 AD |
369 | my $capabilities = {}; |
370 | $capabilities->{capability} = "xbzrle"; | |
972511a0 | 371 | $capabilities->{state} = JSON::false; |
e18b0b99 AD |
372 | |
373 | eval { | |
374 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate-set-capabilities", capabilities => [$capabilities]); | |
375 | }; | |
376 | ||
377 | #set cachesize 10% of the total memory | |
378 | my $cachesize = int($conf->{memory}*1048576/10); | |
379 | eval { | |
380 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate-set-cache-size", value => $cachesize); | |
381 | }; | |
382 | ||
5a7835f5 AD |
383 | eval { |
384 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate", uri => "tcp:localhost:$lport"); | |
385 | }; | |
386 | my $merr = $@; | |
1e3baf05 | 387 | |
a05b47a8 | 388 | my $lstat = 0; |
e52bd94c AD |
389 | my $usleep = 2000000; |
390 | my $i = 0; | |
b0b756c1 | 391 | my $err_count = 0; |
865ef132 SP |
392 | my $lastrem = undef; |
393 | my $downtimecounter = 0; | |
1e3baf05 | 394 | while (1) { |
e52bd94c AD |
395 | $i++; |
396 | my $avglstat = $lstat/$i if $lstat; | |
397 | ||
b0b756c1 DM |
398 | usleep($usleep); |
399 | my $stat; | |
400 | eval { | |
401 | $stat = PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "query-migrate"); | |
402 | }; | |
403 | if (my $err = $@) { | |
404 | $err_count++; | |
405 | warn "query migrate failed: $err\n"; | |
406 | if ($err_count <= 5) { | |
407 | usleep(1000000); | |
408 | next; | |
409 | } | |
410 | die "too many query migrate failures - aborting\n"; | |
411 | } | |
5a7835f5 | 412 | if ($stat->{status} =~ m/^(active|completed|failed|cancelled)$/im) { |
d68afb26 | 413 | $merr = undef; |
b0b756c1 | 414 | $err_count = 0; |
5a7835f5 | 415 | if ($stat->{status} eq 'completed') { |
1e3baf05 DM |
416 | my $delay = time() - $start; |
417 | if ($delay > 0) { | |
418 | my $mbps = sprintf "%.2f", $conf->{memory}/$delay; | |
135007c0 AD |
419 | my $downtime = $stat->{downtime} || 0; |
420 | $self->log('info', "migration speed: $mbps MB/s - downtime $downtime ms"); | |
1e3baf05 DM |
421 | } |
422 | } | |
f5eb281a | 423 | |
5a7835f5 | 424 | if ($stat->{status} eq 'failed' || $stat->{status} eq 'cancelled') { |
1e3baf05 DM |
425 | die "aborting\n" |
426 | } | |
427 | ||
a05b47a8 DM |
428 | if ($stat->{status} ne 'active') { |
429 | $self->log('info', "migration status: $stat->{status}"); | |
430 | last; | |
431 | } | |
432 | ||
433 | if ($stat->{ram}->{transferred} ne $lstat) { | |
434 | my $trans = $stat->{ram}->{transferred} || 0; | |
435 | my $rem = $stat->{ram}->{remaining} || 0; | |
436 | my $total = $stat->{ram}->{total} || 0; | |
e18b0b99 AD |
437 | my $xbzrlecachesize = $stat->{"xbzrle-cache"}->{"cache-size"} || 0; |
438 | my $xbzrlebytes = $stat->{"xbzrle-cache"}->{"bytes"} || 0; | |
439 | my $xbzrlepages = $stat->{"xbzrle-cache"}->{"pages"} || 0; | |
440 | my $xbzrlecachemiss = $stat->{"xbzrle-cache"}->{"cache-miss"} || 0; | |
441 | my $xbzrleoverflow = $stat->{"xbzrle-cache"}->{"overflow"} || 0; | |
e52bd94c | 442 | #reduce sleep if remainig memory if lower than the everage transfert |
94235c59 | 443 | $usleep = 300000 if $avglstat && $rem < $avglstat; |
a05b47a8 DM |
444 | |
445 | $self->log('info', "migration status: $stat->{status} (transferred ${trans}, " . | |
0302101c | 446 | "remaining ${rem}), total ${total})"); |
e18b0b99 | 447 | |
972511a0 | 448 | #$self->log('info', "migration xbzrle cachesize: ${xbzrlecachesize} transferred ${xbzrlebytes} pages ${xbzrlepages} cachemiss ${xbzrlecachemiss} overflow ${xbzrleoverflow}"); |
865ef132 SP |
449 | if (($lastrem && $rem > $lastrem ) || ($rem == 0)) { |
450 | $downtimecounter++; | |
451 | } | |
452 | $lastrem = $rem; | |
453 | ||
454 | if ($downtimecounter > 5) { | |
455 | $downtimecounter = 0; | |
456 | $migrate_downtime *= 2; | |
457 | $self->log('info', "migrate_set_downtime: $migrate_downtime"); | |
458 | eval { | |
459 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_set_downtime", value => int($migrate_downtime*100)/100); | |
460 | }; | |
461 | $self->log('info', "migrate_set_downtime error: $@") if $@; | |
462 | } | |
463 | ||
a05b47a8 DM |
464 | } |
465 | ||
865ef132 | 466 | |
a05b47a8 | 467 | $lstat = $stat->{ram}->{transferred}; |
e52bd94c | 468 | |
1e3baf05 | 469 | } else { |
d68afb26 | 470 | die $merr if $merr; |
5a7835f5 | 471 | die "unable to parse migration status '$stat->{status}' - aborting\n"; |
1e3baf05 | 472 | } |
a05b47a8 | 473 | } |
1e3baf05 | 474 | } |
16e903f2 | 475 | |
c04b5b04 AD |
476 | sub phase2_cleanup { |
477 | my ($self, $vmid, $err) = @_; | |
478 | ||
af30308f DM |
479 | return if !$self->{errors}; |
480 | $self->{phase2errors} = 1; | |
481 | ||
c04b5b04 AD |
482 | $self->log('info', "aborting phase 2 - cleanup resources"); |
483 | ||
19168b91 SP |
484 | $self->log('info', "migrate_cancel"); |
485 | eval { | |
486 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_cancel"); | |
487 | }; | |
488 | $self->log('info', "migrate_cancel error: $@") if $@; | |
489 | ||
c04b5b04 AD |
490 | my $conf = $self->{vmconf}; |
491 | delete $conf->{lock}; | |
492 | eval { PVE::QemuServer::update_config_nolock($vmid, $conf, 1) }; | |
493 | if (my $err = $@) { | |
494 | $self->log('err', $err); | |
495 | } | |
496 | ||
af30308f DM |
497 | # cleanup ressources on target host |
498 | my $nodename = PVE::INotify::nodename(); | |
499 | ||
500 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'stop', $vmid, '--skiplock', '--migratedfrom', $nodename]; | |
501 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
502 | if (my $err = $@) { | |
503 | $self->log('err', $err); | |
504 | $self->{errors} = 1; | |
505 | } | |
c04b5b04 AD |
506 | } |
507 | ||
16e903f2 DM |
508 | sub phase3 { |
509 | my ($self, $vmid) = @_; | |
f5eb281a | 510 | |
16e903f2 | 511 | my $volids = $self->{volumes}; |
af30308f | 512 | return if $self->{phase2errors}; |
16e903f2 DM |
513 | |
514 | # destroy local copies | |
515 | foreach my $volid (@$volids) { | |
516 | eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); }; | |
517 | if (my $err = $@) { | |
518 | $self->log('err', "removing local copy of '$volid' failed - $err"); | |
519 | $self->{errors} = 1; | |
520 | last if $err =~ /^interrupted by signal$/; | |
521 | } | |
522 | } | |
16e903f2 DM |
523 | } |
524 | ||
525 | sub phase3_cleanup { | |
526 | my ($self, $vmid, $err) = @_; | |
527 | ||
528 | my $conf = $self->{vmconf}; | |
af30308f | 529 | return if $self->{phase2errors}; |
16e903f2 | 530 | |
b8d20802 AD |
531 | # move config to remote node |
532 | my $conffile = PVE::QemuServer::config_file($vmid); | |
533 | my $newconffile = PVE::QemuServer::config_file($vmid, $self->{node}); | |
534 | ||
535 | die "Failed to move config to node '$self->{node}' - rename failed: $!\n" | |
536 | if !rename($conffile, $newconffile); | |
537 | ||
f5eb281a | 538 | # now that config file is move, we can resume vm on target if livemigrate |
b67900f1 | 539 | if ($self->{tunnel}) { |
b67900f1 | 540 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'resume', $vmid, '--skiplock']; |
d5f315fd AD |
541 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, |
542 | errfunc => sub { | |
543 | my $line = shift; | |
544 | $self->log('err', $line); | |
545 | }); | |
546 | }; | |
f5eb281a | 547 | if (my $err = $@) { |
b67900f1 AD |
548 | $self->log('err', $err); |
549 | $self->{errors} = 1; | |
550 | } | |
551 | } | |
552 | ||
16e903f2 DM |
553 | # always stop local VM |
554 | eval { PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, 1, 1); }; | |
555 | if (my $err = $@) { | |
556 | $self->log('err', "stopping vm failed - $err"); | |
557 | $self->{errors} = 1; | |
558 | } | |
559 | ||
97439670 DM |
560 | if ($self->{tunnel}) { |
561 | eval { finish_tunnel($self, $self->{tunnel}); }; | |
562 | if (my $err = $@) { | |
563 | $self->log('err', $err); | |
564 | $self->{errors} = 1; | |
565 | } | |
566 | } | |
567 | ||
16e903f2 DM |
568 | # always deactivate volumes - avoid lvm LVs to be active on several nodes |
569 | eval { | |
570 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); | |
571 | PVE::Storage::deactivate_volumes($self->{storecfg}, $vollist); | |
572 | }; | |
573 | if (my $err = $@) { | |
574 | $self->log('err', $err); | |
575 | $self->{errors} = 1; | |
576 | } | |
577 | ||
578 | # clear migrate lock | |
579 | my $cmd = [ @{$self->{rem_ssh}}, 'qm', 'unlock', $vmid ]; | |
580 | $self->cmd_logerr($cmd, errmsg => "failed to clear migrate lock"); | |
581 | } | |
582 | ||
583 | sub final_cleanup { | |
584 | my ($self, $vmid) = @_; | |
585 | ||
586 | # nothing to do | |
587 | } | |
588 | ||
589 | 1; |