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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 ); |
95a4b4a9 | 14 | use PVE::RPCEnvironment; |
1e3baf05 | 15 | |
16e903f2 | 16 | use base qw(PVE::AbstractMigrate); |
1e3baf05 | 17 | |
1ef75254 | 18 | sub fork_command_pipe { |
46a84fd4 | 19 | my ($self, $cmd) = @_; |
19672434 | 20 | |
1ef75254 DM |
21 | my $reader = IO::File->new(); |
22 | my $writer = IO::File->new(); | |
23 | ||
24 | my $orig_pid = $$; | |
25 | ||
26 | my $cpid; | |
27 | ||
28 | eval { $cpid = open2($reader, $writer, @$cmd); }; | |
29 | ||
30 | my $err = $@; | |
31 | ||
32 | # catch exec errors | |
33 | if ($orig_pid != $$) { | |
46a84fd4 | 34 | $self->log('err', "can't fork command pipe\n"); |
19672434 DM |
35 | POSIX::_exit(1); |
36 | kill('KILL', $$); | |
1ef75254 DM |
37 | } |
38 | ||
39 | die $err if $err; | |
40 | ||
41 | return { writer => $writer, reader => $reader, pid => $cpid }; | |
42 | } | |
43 | ||
19672434 | 44 | sub finish_command_pipe { |
97439670 | 45 | my ($self, $cmdpipe, $timeout) = @_; |
1ef75254 DM |
46 | |
47 | my $writer = $cmdpipe->{writer}; | |
48 | my $reader = $cmdpipe->{reader}; | |
49 | ||
50 | $writer->close(); | |
51 | $reader->close(); | |
52 | ||
53 | my $cpid = $cmdpipe->{pid}; | |
54 | ||
97439670 DM |
55 | if ($timeout) { |
56 | for (my $i = 0; $i < $timeout; $i++) { | |
57 | return if !PVE::ProcFSTools::check_process_running($cpid); | |
58 | sleep(1); | |
59 | } | |
60 | } | |
61 | ||
62 | $self->log('info', "ssh tunnel still running - terminating now with SIGTERM\n"); | |
63 | kill(15, $cpid); | |
1ef75254 | 64 | |
97439670 DM |
65 | # wait again |
66 | for (my $i = 0; $i < 10; $i++) { | |
67 | return if !PVE::ProcFSTools::check_process_running($cpid); | |
68 | sleep(1); | |
69 | } | |
70 | ||
71 | $self->log('info', "ssh tunnel still running - terminating now with SIGKILL\n"); | |
72 | kill 9, $cpid; | |
73 | sleep 1; | |
1ef75254 DM |
74 | } |
75 | ||
1e3baf05 | 76 | sub fork_tunnel { |
16e903f2 | 77 | my ($self, $nodeip, $lport, $rport) = @_; |
1e3baf05 | 78 | |
16e903f2 | 79 | my $cmd = [@{$self->{rem_ssh}}, '-L', "$lport:localhost:$rport", |
1e3baf05 | 80 | 'qm', 'mtunnel' ]; |
19672434 | 81 | |
46a84fd4 | 82 | my $tunnel = $self->fork_command_pipe($cmd); |
1e3baf05 DM |
83 | |
84 | my $reader = $tunnel->{reader}; | |
85 | ||
86 | my $helo; | |
19672434 | 87 | eval { |
17eed025 | 88 | PVE::Tools::run_with_timeout(60, sub { $helo = <$reader>; }); |
1e3baf05 | 89 | die "no reply\n" if !$helo; |
1ef75254 | 90 | die "no quorum on target node\n" if $helo =~ m/^no quorum$/; |
19672434 | 91 | die "got strange reply from mtunnel ('$helo')\n" |
1e3baf05 DM |
92 | if $helo !~ m/^tunnel online$/; |
93 | }; | |
94 | my $err = $@; | |
95 | ||
96 | if ($err) { | |
46a84fd4 | 97 | $self->finish_command_pipe($tunnel); |
1e3baf05 DM |
98 | die "can't open migration tunnel - $err"; |
99 | } | |
100 | return $tunnel; | |
101 | } | |
102 | ||
19672434 | 103 | sub finish_tunnel { |
16e903f2 | 104 | my ($self, $tunnel) = @_; |
1e3baf05 DM |
105 | |
106 | my $writer = $tunnel->{writer}; | |
107 | ||
19672434 | 108 | eval { |
17eed025 | 109 | PVE::Tools::run_with_timeout(30, sub { |
1e3baf05 DM |
110 | print $writer "quit\n"; |
111 | $writer->flush(); | |
19672434 | 112 | }); |
1e3baf05 DM |
113 | }; |
114 | my $err = $@; | |
19672434 | 115 | |
97439670 | 116 | $self->finish_command_pipe($tunnel, 30); |
19672434 | 117 | |
1e3baf05 DM |
118 | die $err if $err; |
119 | } | |
120 | ||
16e903f2 DM |
121 | sub lock_vm { |
122 | my ($self, $vmid, $code, @param) = @_; | |
f5eb281a | 123 | |
16e903f2 DM |
124 | return PVE::QemuServer::lock_config($vmid, $code, @param); |
125 | } | |
ff1a2432 | 126 | |
16e903f2 DM |
127 | sub prepare { |
128 | my ($self, $vmid) = @_; | |
ff1a2432 | 129 | |
16e903f2 | 130 | my $online = $self->{opts}->{online}; |
3ea94c60 | 131 | |
16e903f2 | 132 | $self->{storecfg} = PVE::Storage::config(); |
3ea94c60 | 133 | |
16e903f2 DM |
134 | # test is VM exist |
135 | my $conf = $self->{vmconf} = PVE::QemuServer::load_config($vmid); | |
3ea94c60 | 136 | |
16e903f2 | 137 | PVE::QemuServer::check_lock($conf); |
3ea94c60 | 138 | |
16e903f2 DM |
139 | my $running = 0; |
140 | if (my $pid = PVE::QemuServer::check_running($vmid)) { | |
141 | die "cant migrate running VM without --online\n" if !$online; | |
142 | $running = $pid; | |
42668529 | 143 | $self->{forcemachine} = PVE::QemuServer::get_current_qemu_machine($vmid); |
3ea94c60 DM |
144 | } |
145 | ||
16e903f2 DM |
146 | if (my $loc_res = PVE::QemuServer::check_local_resources($conf, 1)) { |
147 | if ($self->{running} || !$self->{opts}->{force}) { | |
148 | die "can't migrate VM which uses local devices\n"; | |
149 | } else { | |
150 | $self->log('info', "migrating VM which uses local devices"); | |
151 | } | |
3ea94c60 DM |
152 | } |
153 | ||
ff1a2432 DM |
154 | # activate volumes |
155 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); | |
16e903f2 DM |
156 | PVE::Storage::activate_volumes($self->{storecfg}, $vollist); |
157 | ||
158 | # fixme: check if storage is available on both nodes | |
3ea94c60 DM |
159 | |
160 | # test ssh connection | |
16e903f2 DM |
161 | my $cmd = [ @{$self->{rem_ssh}}, '/bin/true' ]; |
162 | eval { $self->cmd_quiet($cmd); }; | |
3ea94c60 | 163 | die "Can't connect to destination address using public key\n" if $@; |
ff1a2432 | 164 | |
16e903f2 | 165 | return $running; |
3ea94c60 DM |
166 | } |
167 | ||
168 | sub sync_disks { | |
16e903f2 DM |
169 | my ($self, $vmid) = @_; |
170 | ||
171 | $self->log('info', "copying disk images"); | |
3ea94c60 | 172 | |
16e903f2 DM |
173 | my $conf = $self->{vmconf}; |
174 | ||
175 | $self->{volumes} = []; | |
3ea94c60 DM |
176 | |
177 | my $res = []; | |
178 | ||
179 | eval { | |
180 | ||
181 | my $volhash = {}; | |
182 | my $cdromhash = {}; | |
183 | ||
a06c7f7e DM |
184 | my $sharedvm = 1; |
185 | ||
522c8f97 DM |
186 | my @sids = PVE::Storage::storage_ids($self->{storecfg}); |
187 | foreach my $storeid (@sids) { | |
188 | my $scfg = PVE::Storage::storage_config($self->{storecfg}, $storeid); | |
189 | next if $scfg->{shared}; | |
373ea579 DM |
190 | next if !PVE::Storage::storage_check_enabled($self->{storecfg}, $storeid, undef, 1); |
191 | ||
80b2cbd1 AD |
192 | # get list from PVE::Storage (for unused volumes) |
193 | my $dl = PVE::Storage::vdisk_list($self->{storecfg}, $storeid, $vmid); | |
194 | PVE::Storage::foreach_volid($dl, sub { | |
195 | my ($volid, $sid, $volname) = @_; | |
196 | ||
373ea579 | 197 | # check if storage is available on target node |
80b2cbd1 AD |
198 | PVE::Storage::storage_check_node($self->{storecfg}, $sid, $self->{node}); |
199 | ||
200 | $volhash->{$volid} = 1; | |
a06c7f7e | 201 | $sharedvm = 0; # there is a non-shared disk |
80b2cbd1 AD |
202 | }); |
203 | } | |
3ea94c60 | 204 | |
d5769dc2 | 205 | # and add used, owned/non-shared disks (just to be sure we have all) |
3ea94c60 | 206 | |
d5769dc2 DM |
207 | PVE::QemuServer::foreach_volid($conf, sub { |
208 | my ($volid, $is_cdrom) = @_; | |
3ea94c60 | 209 | |
3ea94c60 DM |
210 | return if !$volid; |
211 | ||
212 | die "cant migrate local file/device '$volid'\n" if $volid =~ m|^/|; | |
213 | ||
d5769dc2 | 214 | if ($is_cdrom) { |
3ea94c60 DM |
215 | die "cant migrate local cdrom drive\n" if $volid eq 'cdrom'; |
216 | return if $volid eq 'none'; | |
217 | $cdromhash->{$volid} = 1; | |
218 | } | |
219 | ||
220 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
221 | ||
16e903f2 DM |
222 | # check if storage is available on both nodes |
223 | my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $sid); | |
224 | PVE::Storage::storage_check_node($self->{storecfg}, $sid, $self->{node}); | |
3ea94c60 DM |
225 | |
226 | return if $scfg->{shared}; | |
227 | ||
228 | die "can't migrate local cdrom '$volid'\n" if $cdromhash->{$volid}; | |
229 | ||
230 | $sharedvm = 0; | |
231 | ||
16e903f2 | 232 | my ($path, $owner) = PVE::Storage::path($self->{storecfg}, $volid); |
3ea94c60 DM |
233 | |
234 | die "can't migrate volume '$volid' - owned by other VM (owner = VM $owner)\n" | |
16e903f2 | 235 | if !$owner || ($owner != $self->{vmid}); |
3ea94c60 DM |
236 | |
237 | $volhash->{$volid} = 1; | |
238 | }); | |
239 | ||
16e903f2 | 240 | if ($self->{running} && !$sharedvm) { |
3ea94c60 DM |
241 | die "can't do online migration - VM uses local disks\n"; |
242 | } | |
243 | ||
244 | # do some checks first | |
245 | foreach my $volid (keys %$volhash) { | |
246 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
16e903f2 | 247 | my $scfg = PVE::Storage::storage_config($self->{storecfg}, $sid); |
3ea94c60 DM |
248 | |
249 | die "can't migrate '$volid' - storagy type '$scfg->{type}' not supported\n" | |
250 | if $scfg->{type} ne 'dir'; | |
d5604092 | 251 | |
b7b1ac9d DM |
252 | # if file, check if a backing file exist |
253 | if (($scfg->{type} eq 'dir') && (!$sharedvm)) { | |
d5604092 | 254 | my (undef, undef, undef, $parent) = PVE::Storage::volume_size_info($self->{storecfg}, $volid, 1); |
b7b1ac9d | 255 | die "can't migrate '$volid' as it's a clone of '$parent'" if $parent; |
d5604092 | 256 | } |
3ea94c60 DM |
257 | } |
258 | ||
259 | foreach my $volid (keys %$volhash) { | |
260 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
16e903f2 DM |
261 | push @{$self->{volumes}}, $volid; |
262 | PVE::Storage::storage_migrate($self->{storecfg}, $volid, $self->{nodeip}, $sid); | |
3ea94c60 DM |
263 | } |
264 | }; | |
265 | die "Failed to sync data - $@" if $@; | |
266 | } | |
267 | ||
1e3baf05 | 268 | sub phase1 { |
16e903f2 | 269 | my ($self, $vmid) = @_; |
1e3baf05 | 270 | |
16e903f2 | 271 | $self->log('info', "starting migration of VM $vmid to node '$self->{node}' ($self->{nodeip})"); |
1e3baf05 | 272 | |
16e903f2 | 273 | my $conf = $self->{vmconf}; |
1e3baf05 DM |
274 | |
275 | # set migrate lock in config file | |
1858638f DM |
276 | $conf->{lock} = 'migrate'; |
277 | PVE::QemuServer::update_config_nolock($vmid, $conf, 1); | |
1e3baf05 | 278 | |
16e903f2 | 279 | sync_disks($self, $vmid); |
1ef75254 | 280 | |
1e3baf05 DM |
281 | }; |
282 | ||
16e903f2 DM |
283 | sub phase1_cleanup { |
284 | my ($self, $vmid, $err) = @_; | |
285 | ||
286 | $self->log('info', "aborting phase 1 - cleanup resources"); | |
287 | ||
1858638f DM |
288 | my $conf = $self->{vmconf}; |
289 | delete $conf->{lock}; | |
290 | eval { PVE::QemuServer::update_config_nolock($vmid, $conf, 1) }; | |
16e903f2 DM |
291 | if (my $err = $@) { |
292 | $self->log('err', $err); | |
293 | } | |
f5eb281a | 294 | |
16e903f2 DM |
295 | if ($self->{volumes}) { |
296 | foreach my $volid (@{$self->{volumes}}) { | |
297 | $self->log('err', "found stale volume copy '$volid' on node '$self->{node}'"); | |
298 | # fixme: try to remove ? | |
299 | } | |
300 | } | |
301 | } | |
302 | ||
1e3baf05 | 303 | sub phase2 { |
16e903f2 | 304 | my ($self, $vmid) = @_; |
1e3baf05 | 305 | |
16e903f2 DM |
306 | my $conf = $self->{vmconf}; |
307 | ||
46a84fd4 | 308 | $self->log('info', "starting VM $vmid on remote node '$self->{node}'"); |
1e3baf05 DM |
309 | |
310 | my $rport; | |
311 | ||
7e8dcf2c AD |
312 | my $nodename = PVE::INotify::nodename(); |
313 | ||
19672434 | 314 | ## start on remote node |
95a4b4a9 AD |
315 | my $cmd = [@{$self->{rem_ssh}}]; |
316 | ||
86b8228b | 317 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
95a4b4a9 AD |
318 | my $res = PVE::QemuServer::vm_mon_cmd($vmid, 'query-spice'); |
319 | push @$cmd, 'SPICETICKET='.$res->{ticket} if $res->{ticket}; | |
320 | } | |
321 | ||
322 | push @$cmd , 'qm', 'start', $vmid, '--stateuri', 'tcp', '--skiplock', '--migratedfrom', $nodename; | |
323 | ||
1e3baf05 | 324 | |
42668529 DM |
325 | if ($self->{forcemachine}) { |
326 | push @$cmd, '--machine', $self->{forcemachine}; | |
327 | } | |
328 | ||
86b8228b DM |
329 | my $spice_port; |
330 | ||
72afda82 | 331 | PVE::Tools::run_command($cmd, outfunc => sub { |
1e3baf05 DM |
332 | my $line = shift; |
333 | ||
334 | if ($line =~ m/^migration listens on port (\d+)$/) { | |
86b8228b | 335 | $rport = int($1); |
95a4b4a9 | 336 | }elsif ($line =~ m/^spice listens on port (\d+)$/) { |
86b8228b | 337 | $spice_port = int($1); |
1e3baf05 | 338 | } |
ab399b7c AD |
339 | }, errfunc => sub { |
340 | my $line = shift; | |
341 | $self->log('info', $line); | |
342 | }); | |
1e3baf05 DM |
343 | |
344 | die "unable to detect remote migration port\n" if !$rport; | |
345 | ||
16e903f2 | 346 | $self->log('info', "starting migration tunnel"); |
1ef75254 | 347 | |
1e3baf05 | 348 | ## create tunnel to remote port |
f9a971e0 | 349 | my $lport = PVE::Tools::next_migrate_port(); |
16e903f2 | 350 | $self->{tunnel} = $self->fork_tunnel($self->{nodeip}, $lport, $rport); |
1e3baf05 | 351 | |
d68afb26 | 352 | $self->log('info', "starting online/live migration on port $lport"); |
1e3baf05 DM |
353 | # start migration |
354 | ||
355 | my $start = time(); | |
e18b0b99 | 356 | |
3beb415b AD |
357 | # load_defaults |
358 | my $defaults = PVE::QemuServer::load_defaults(); | |
359 | ||
360 | # always set migrate speed (overwrite kvm default of 32m) | |
361 | # we set a very hight default of 8192m which is basically unlimited | |
362 | my $migrate_speed = $defaults->{migrate_speed} || 8192; | |
363 | $migrate_speed = $conf->{migrate_speed} || $migrate_speed; | |
364 | $migrate_speed = $migrate_speed * 1048576; | |
365 | $self->log('info', "migrate_set_speed: $migrate_speed"); | |
366 | eval { | |
367 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_set_speed", value => int($migrate_speed)); | |
368 | }; | |
369 | $self->log('info', "migrate_set_speed error: $@") if $@; | |
370 | ||
371 | my $migrate_downtime = $defaults->{migrate_downtime}; | |
372 | $migrate_downtime = $conf->{migrate_downtime} if defined($conf->{migrate_downtime}); | |
373 | if (defined($migrate_downtime)) { | |
374 | $self->log('info', "migrate_set_downtime: $migrate_downtime"); | |
375 | eval { | |
865ef132 | 376 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_set_downtime", value => int($migrate_downtime*100)/100); |
3beb415b AD |
377 | }; |
378 | $self->log('info', "migrate_set_downtime error: $@") if $@; | |
379 | } | |
380 | ||
e18b0b99 AD |
381 | my $capabilities = {}; |
382 | $capabilities->{capability} = "xbzrle"; | |
972511a0 | 383 | $capabilities->{state} = JSON::false; |
e18b0b99 AD |
384 | |
385 | eval { | |
386 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate-set-capabilities", capabilities => [$capabilities]); | |
387 | }; | |
388 | ||
389 | #set cachesize 10% of the total memory | |
390 | my $cachesize = int($conf->{memory}*1048576/10); | |
391 | eval { | |
392 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate-set-cache-size", value => $cachesize); | |
393 | }; | |
86b8228b DM |
394 | |
395 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { | |
95a4b4a9 AD |
396 | my $rpcenv = PVE::RPCEnvironment::get(); |
397 | my $authuser = $rpcenv->get_user(); | |
398 | ||
86b8228b | 399 | my (undef, $proxyticket) = PVE::AccessControl::assemble_spice_ticket($authuser, $vmid, $self->{node}); |
95a4b4a9 | 400 | |
86b8228b | 401 | my $filename = "/etc/pve/nodes/$self->{node}/pve-ssl.pem"; |
95a4b4a9 AD |
402 | my $subject = PVE::QemuServer::read_x509_subject_spice($filename); |
403 | ||
404 | $self->log('info', "spice client_migrate_info"); | |
405 | ||
406 | eval { | |
86b8228b DM |
407 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "client_migrate_info", protocol => 'spice', |
408 | hostname => $proxyticket, 'tls-port' => $spice_port, | |
409 | 'cert-subject' => $subject); | |
95a4b4a9 AD |
410 | }; |
411 | $self->log('info', "client_migrate_info error: $@") if $@; | |
412 | ||
413 | } | |
414 | ||
5a7835f5 AD |
415 | eval { |
416 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate", uri => "tcp:localhost:$lport"); | |
417 | }; | |
418 | my $merr = $@; | |
1e3baf05 | 419 | |
a05b47a8 | 420 | my $lstat = 0; |
e52bd94c AD |
421 | my $usleep = 2000000; |
422 | my $i = 0; | |
b0b756c1 | 423 | my $err_count = 0; |
865ef132 SP |
424 | my $lastrem = undef; |
425 | my $downtimecounter = 0; | |
1e3baf05 | 426 | while (1) { |
e52bd94c AD |
427 | $i++; |
428 | my $avglstat = $lstat/$i if $lstat; | |
429 | ||
b0b756c1 DM |
430 | usleep($usleep); |
431 | my $stat; | |
432 | eval { | |
433 | $stat = PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "query-migrate"); | |
434 | }; | |
435 | if (my $err = $@) { | |
436 | $err_count++; | |
437 | warn "query migrate failed: $err\n"; | |
438 | if ($err_count <= 5) { | |
439 | usleep(1000000); | |
440 | next; | |
441 | } | |
442 | die "too many query migrate failures - aborting\n"; | |
443 | } | |
5a7835f5 | 444 | if ($stat->{status} =~ m/^(active|completed|failed|cancelled)$/im) { |
d68afb26 | 445 | $merr = undef; |
b0b756c1 | 446 | $err_count = 0; |
5a7835f5 | 447 | if ($stat->{status} eq 'completed') { |
1e3baf05 DM |
448 | my $delay = time() - $start; |
449 | if ($delay > 0) { | |
450 | my $mbps = sprintf "%.2f", $conf->{memory}/$delay; | |
135007c0 AD |
451 | my $downtime = $stat->{downtime} || 0; |
452 | $self->log('info', "migration speed: $mbps MB/s - downtime $downtime ms"); | |
1e3baf05 DM |
453 | } |
454 | } | |
f5eb281a | 455 | |
5a7835f5 | 456 | if ($stat->{status} eq 'failed' || $stat->{status} eq 'cancelled') { |
1e3baf05 DM |
457 | die "aborting\n" |
458 | } | |
459 | ||
a05b47a8 DM |
460 | if ($stat->{status} ne 'active') { |
461 | $self->log('info', "migration status: $stat->{status}"); | |
462 | last; | |
463 | } | |
464 | ||
465 | if ($stat->{ram}->{transferred} ne $lstat) { | |
466 | my $trans = $stat->{ram}->{transferred} || 0; | |
467 | my $rem = $stat->{ram}->{remaining} || 0; | |
468 | my $total = $stat->{ram}->{total} || 0; | |
e18b0b99 AD |
469 | my $xbzrlecachesize = $stat->{"xbzrle-cache"}->{"cache-size"} || 0; |
470 | my $xbzrlebytes = $stat->{"xbzrle-cache"}->{"bytes"} || 0; | |
471 | my $xbzrlepages = $stat->{"xbzrle-cache"}->{"pages"} || 0; | |
472 | my $xbzrlecachemiss = $stat->{"xbzrle-cache"}->{"cache-miss"} || 0; | |
473 | my $xbzrleoverflow = $stat->{"xbzrle-cache"}->{"overflow"} || 0; | |
e52bd94c | 474 | #reduce sleep if remainig memory if lower than the everage transfert |
94235c59 | 475 | $usleep = 300000 if $avglstat && $rem < $avglstat; |
a05b47a8 DM |
476 | |
477 | $self->log('info', "migration status: $stat->{status} (transferred ${trans}, " . | |
0302101c | 478 | "remaining ${rem}), total ${total})"); |
e18b0b99 | 479 | |
972511a0 | 480 | #$self->log('info', "migration xbzrle cachesize: ${xbzrlecachesize} transferred ${xbzrlebytes} pages ${xbzrlepages} cachemiss ${xbzrlecachemiss} overflow ${xbzrleoverflow}"); |
865ef132 SP |
481 | if (($lastrem && $rem > $lastrem ) || ($rem == 0)) { |
482 | $downtimecounter++; | |
483 | } | |
484 | $lastrem = $rem; | |
485 | ||
486 | if ($downtimecounter > 5) { | |
487 | $downtimecounter = 0; | |
488 | $migrate_downtime *= 2; | |
489 | $self->log('info', "migrate_set_downtime: $migrate_downtime"); | |
490 | eval { | |
491 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_set_downtime", value => int($migrate_downtime*100)/100); | |
492 | }; | |
493 | $self->log('info', "migrate_set_downtime error: $@") if $@; | |
494 | } | |
495 | ||
a05b47a8 DM |
496 | } |
497 | ||
865ef132 | 498 | |
a05b47a8 | 499 | $lstat = $stat->{ram}->{transferred}; |
e52bd94c | 500 | |
1e3baf05 | 501 | } else { |
d68afb26 | 502 | die $merr if $merr; |
5a7835f5 | 503 | die "unable to parse migration status '$stat->{status}' - aborting\n"; |
1e3baf05 | 504 | } |
a05b47a8 | 505 | } |
1e3baf05 | 506 | } |
16e903f2 | 507 | |
c04b5b04 AD |
508 | sub phase2_cleanup { |
509 | my ($self, $vmid, $err) = @_; | |
510 | ||
af30308f DM |
511 | return if !$self->{errors}; |
512 | $self->{phase2errors} = 1; | |
513 | ||
c04b5b04 AD |
514 | $self->log('info', "aborting phase 2 - cleanup resources"); |
515 | ||
19168b91 SP |
516 | $self->log('info', "migrate_cancel"); |
517 | eval { | |
518 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_cancel"); | |
519 | }; | |
520 | $self->log('info', "migrate_cancel error: $@") if $@; | |
521 | ||
c04b5b04 AD |
522 | my $conf = $self->{vmconf}; |
523 | delete $conf->{lock}; | |
524 | eval { PVE::QemuServer::update_config_nolock($vmid, $conf, 1) }; | |
525 | if (my $err = $@) { | |
526 | $self->log('err', $err); | |
527 | } | |
528 | ||
af30308f DM |
529 | # cleanup ressources on target host |
530 | my $nodename = PVE::INotify::nodename(); | |
531 | ||
532 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'stop', $vmid, '--skiplock', '--migratedfrom', $nodename]; | |
533 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
534 | if (my $err = $@) { | |
535 | $self->log('err', $err); | |
536 | $self->{errors} = 1; | |
537 | } | |
c04b5b04 AD |
538 | } |
539 | ||
16e903f2 DM |
540 | sub phase3 { |
541 | my ($self, $vmid) = @_; | |
f5eb281a | 542 | |
16e903f2 | 543 | my $volids = $self->{volumes}; |
af30308f | 544 | return if $self->{phase2errors}; |
16e903f2 DM |
545 | |
546 | # destroy local copies | |
547 | foreach my $volid (@$volids) { | |
548 | eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); }; | |
549 | if (my $err = $@) { | |
550 | $self->log('err', "removing local copy of '$volid' failed - $err"); | |
551 | $self->{errors} = 1; | |
552 | last if $err =~ /^interrupted by signal$/; | |
553 | } | |
554 | } | |
16e903f2 DM |
555 | } |
556 | ||
557 | sub phase3_cleanup { | |
558 | my ($self, $vmid, $err) = @_; | |
559 | ||
560 | my $conf = $self->{vmconf}; | |
af30308f | 561 | return if $self->{phase2errors}; |
16e903f2 | 562 | |
b8d20802 AD |
563 | # move config to remote node |
564 | my $conffile = PVE::QemuServer::config_file($vmid); | |
565 | my $newconffile = PVE::QemuServer::config_file($vmid, $self->{node}); | |
566 | ||
567 | die "Failed to move config to node '$self->{node}' - rename failed: $!\n" | |
568 | if !rename($conffile, $newconffile); | |
569 | ||
f5eb281a | 570 | # now that config file is move, we can resume vm on target if livemigrate |
b67900f1 | 571 | if ($self->{tunnel}) { |
b67900f1 | 572 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'resume', $vmid, '--skiplock']; |
d5f315fd AD |
573 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, |
574 | errfunc => sub { | |
575 | my $line = shift; | |
576 | $self->log('err', $line); | |
577 | }); | |
578 | }; | |
f5eb281a | 579 | if (my $err = $@) { |
b67900f1 AD |
580 | $self->log('err', $err); |
581 | $self->{errors} = 1; | |
582 | } | |
583 | } | |
584 | ||
95a4b4a9 | 585 | my $timer = 0; |
86b8228b | 586 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
95a4b4a9 AD |
587 | $self->log('info', "Waiting for spice server migration"); |
588 | while (1) { | |
589 | my $res = PVE::QemuServer::vm_mon_cmd_nocheck($vmid, 'query-spice'); | |
590 | last if int($res->{'migrated'}) == 1; | |
591 | last if $timer > 50; | |
592 | $timer ++; | |
593 | usleep(200000); | |
594 | } | |
595 | } | |
596 | ||
16e903f2 DM |
597 | # always stop local VM |
598 | eval { PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, 1, 1); }; | |
599 | if (my $err = $@) { | |
600 | $self->log('err', "stopping vm failed - $err"); | |
601 | $self->{errors} = 1; | |
602 | } | |
603 | ||
97439670 DM |
604 | if ($self->{tunnel}) { |
605 | eval { finish_tunnel($self, $self->{tunnel}); }; | |
606 | if (my $err = $@) { | |
607 | $self->log('err', $err); | |
608 | $self->{errors} = 1; | |
609 | } | |
610 | } | |
611 | ||
16e903f2 DM |
612 | # always deactivate volumes - avoid lvm LVs to be active on several nodes |
613 | eval { | |
614 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); | |
615 | PVE::Storage::deactivate_volumes($self->{storecfg}, $vollist); | |
616 | }; | |
617 | if (my $err = $@) { | |
618 | $self->log('err', $err); | |
619 | $self->{errors} = 1; | |
620 | } | |
621 | ||
622 | # clear migrate lock | |
623 | my $cmd = [ @{$self->{rem_ssh}}, 'qm', 'unlock', $vmid ]; | |
624 | $self->cmd_logerr($cmd, errmsg => "failed to clear migrate lock"); | |
625 | } | |
626 | ||
627 | sub final_cleanup { | |
628 | my ($self, $vmid) = @_; | |
629 | ||
630 | # nothing to do | |
631 | } | |
632 | ||
633 | 1; |