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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 | |
033a0b36 | 79 | my @localtunnelinfo = $lport ? ('-L' , "$lport:localhost:$rport" ) : (); |
5bc1e039 | 80 | |
033a0b36 | 81 | my $cmd = [@{$self->{rem_ssh}}, @localtunnelinfo, 'qm', 'mtunnel' ]; |
19672434 | 82 | |
46a84fd4 | 83 | my $tunnel = $self->fork_command_pipe($cmd); |
1e3baf05 DM |
84 | |
85 | my $reader = $tunnel->{reader}; | |
86 | ||
87 | my $helo; | |
19672434 | 88 | eval { |
17eed025 | 89 | PVE::Tools::run_with_timeout(60, sub { $helo = <$reader>; }); |
1e3baf05 | 90 | die "no reply\n" if !$helo; |
1ef75254 | 91 | die "no quorum on target node\n" if $helo =~ m/^no quorum$/; |
19672434 | 92 | die "got strange reply from mtunnel ('$helo')\n" |
1e3baf05 DM |
93 | if $helo !~ m/^tunnel online$/; |
94 | }; | |
95 | my $err = $@; | |
96 | ||
97 | if ($err) { | |
46a84fd4 | 98 | $self->finish_command_pipe($tunnel); |
1e3baf05 DM |
99 | die "can't open migration tunnel - $err"; |
100 | } | |
101 | return $tunnel; | |
102 | } | |
103 | ||
19672434 | 104 | sub finish_tunnel { |
16e903f2 | 105 | my ($self, $tunnel) = @_; |
1e3baf05 DM |
106 | |
107 | my $writer = $tunnel->{writer}; | |
108 | ||
19672434 | 109 | eval { |
17eed025 | 110 | PVE::Tools::run_with_timeout(30, sub { |
1e3baf05 DM |
111 | print $writer "quit\n"; |
112 | $writer->flush(); | |
19672434 | 113 | }); |
1e3baf05 DM |
114 | }; |
115 | my $err = $@; | |
19672434 | 116 | |
97439670 | 117 | $self->finish_command_pipe($tunnel, 30); |
19672434 | 118 | |
1e3baf05 DM |
119 | die $err if $err; |
120 | } | |
121 | ||
16e903f2 DM |
122 | sub lock_vm { |
123 | my ($self, $vmid, $code, @param) = @_; | |
f5eb281a | 124 | |
16e903f2 DM |
125 | return PVE::QemuServer::lock_config($vmid, $code, @param); |
126 | } | |
ff1a2432 | 127 | |
16e903f2 DM |
128 | sub prepare { |
129 | my ($self, $vmid) = @_; | |
ff1a2432 | 130 | |
16e903f2 | 131 | my $online = $self->{opts}->{online}; |
3ea94c60 | 132 | |
16e903f2 | 133 | $self->{storecfg} = PVE::Storage::config(); |
3ea94c60 | 134 | |
16e903f2 DM |
135 | # test is VM exist |
136 | my $conf = $self->{vmconf} = PVE::QemuServer::load_config($vmid); | |
3ea94c60 | 137 | |
16e903f2 | 138 | PVE::QemuServer::check_lock($conf); |
3ea94c60 | 139 | |
16e903f2 DM |
140 | my $running = 0; |
141 | if (my $pid = PVE::QemuServer::check_running($vmid)) { | |
142 | die "cant migrate running VM without --online\n" if !$online; | |
143 | $running = $pid; | |
42668529 | 144 | $self->{forcemachine} = PVE::QemuServer::get_current_qemu_machine($vmid); |
3ea94c60 DM |
145 | } |
146 | ||
16e903f2 DM |
147 | if (my $loc_res = PVE::QemuServer::check_local_resources($conf, 1)) { |
148 | if ($self->{running} || !$self->{opts}->{force}) { | |
149 | die "can't migrate VM which uses local devices\n"; | |
150 | } else { | |
151 | $self->log('info', "migrating VM which uses local devices"); | |
152 | } | |
3ea94c60 DM |
153 | } |
154 | ||
ff1a2432 DM |
155 | # activate volumes |
156 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); | |
16e903f2 DM |
157 | PVE::Storage::activate_volumes($self->{storecfg}, $vollist); |
158 | ||
159 | # fixme: check if storage is available on both nodes | |
3ea94c60 DM |
160 | |
161 | # test ssh connection | |
16e903f2 DM |
162 | my $cmd = [ @{$self->{rem_ssh}}, '/bin/true' ]; |
163 | eval { $self->cmd_quiet($cmd); }; | |
3ea94c60 | 164 | die "Can't connect to destination address using public key\n" if $@; |
ff1a2432 | 165 | |
16e903f2 | 166 | return $running; |
3ea94c60 DM |
167 | } |
168 | ||
169 | sub sync_disks { | |
16e903f2 DM |
170 | my ($self, $vmid) = @_; |
171 | ||
172 | $self->log('info', "copying disk images"); | |
3ea94c60 | 173 | |
16e903f2 DM |
174 | my $conf = $self->{vmconf}; |
175 | ||
176 | $self->{volumes} = []; | |
3ea94c60 DM |
177 | |
178 | my $res = []; | |
179 | ||
180 | eval { | |
181 | ||
182 | my $volhash = {}; | |
183 | my $cdromhash = {}; | |
184 | ||
a06c7f7e DM |
185 | my $sharedvm = 1; |
186 | ||
522c8f97 DM |
187 | my @sids = PVE::Storage::storage_ids($self->{storecfg}); |
188 | foreach my $storeid (@sids) { | |
189 | my $scfg = PVE::Storage::storage_config($self->{storecfg}, $storeid); | |
190 | next if $scfg->{shared}; | |
373ea579 DM |
191 | next if !PVE::Storage::storage_check_enabled($self->{storecfg}, $storeid, undef, 1); |
192 | ||
80b2cbd1 AD |
193 | # get list from PVE::Storage (for unused volumes) |
194 | my $dl = PVE::Storage::vdisk_list($self->{storecfg}, $storeid, $vmid); | |
195 | PVE::Storage::foreach_volid($dl, sub { | |
196 | my ($volid, $sid, $volname) = @_; | |
197 | ||
373ea579 | 198 | # check if storage is available on target node |
80b2cbd1 AD |
199 | PVE::Storage::storage_check_node($self->{storecfg}, $sid, $self->{node}); |
200 | ||
201 | $volhash->{$volid} = 1; | |
a06c7f7e | 202 | $sharedvm = 0; # there is a non-shared disk |
80b2cbd1 AD |
203 | }); |
204 | } | |
3ea94c60 | 205 | |
d5769dc2 | 206 | # and add used, owned/non-shared disks (just to be sure we have all) |
3ea94c60 | 207 | |
d5769dc2 DM |
208 | PVE::QemuServer::foreach_volid($conf, sub { |
209 | my ($volid, $is_cdrom) = @_; | |
3ea94c60 | 210 | |
3ea94c60 DM |
211 | return if !$volid; |
212 | ||
213 | die "cant migrate local file/device '$volid'\n" if $volid =~ m|^/|; | |
214 | ||
d5769dc2 | 215 | if ($is_cdrom) { |
3ea94c60 DM |
216 | die "cant migrate local cdrom drive\n" if $volid eq 'cdrom'; |
217 | return if $volid eq 'none'; | |
218 | $cdromhash->{$volid} = 1; | |
219 | } | |
220 | ||
221 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
222 | ||
16e903f2 DM |
223 | # check if storage is available on both nodes |
224 | my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $sid); | |
225 | PVE::Storage::storage_check_node($self->{storecfg}, $sid, $self->{node}); | |
3ea94c60 DM |
226 | |
227 | return if $scfg->{shared}; | |
228 | ||
229 | die "can't migrate local cdrom '$volid'\n" if $cdromhash->{$volid}; | |
230 | ||
231 | $sharedvm = 0; | |
232 | ||
16e903f2 | 233 | my ($path, $owner) = PVE::Storage::path($self->{storecfg}, $volid); |
3ea94c60 DM |
234 | |
235 | die "can't migrate volume '$volid' - owned by other VM (owner = VM $owner)\n" | |
16e903f2 | 236 | if !$owner || ($owner != $self->{vmid}); |
3ea94c60 DM |
237 | |
238 | $volhash->{$volid} = 1; | |
239 | }); | |
240 | ||
16e903f2 | 241 | if ($self->{running} && !$sharedvm) { |
3ea94c60 DM |
242 | die "can't do online migration - VM uses local disks\n"; |
243 | } | |
244 | ||
245 | # do some checks first | |
246 | foreach my $volid (keys %$volhash) { | |
247 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
16e903f2 | 248 | my $scfg = PVE::Storage::storage_config($self->{storecfg}, $sid); |
3ea94c60 DM |
249 | |
250 | die "can't migrate '$volid' - storagy type '$scfg->{type}' not supported\n" | |
251 | if $scfg->{type} ne 'dir'; | |
d5604092 | 252 | |
b7b1ac9d DM |
253 | # if file, check if a backing file exist |
254 | if (($scfg->{type} eq 'dir') && (!$sharedvm)) { | |
d5604092 | 255 | my (undef, undef, undef, $parent) = PVE::Storage::volume_size_info($self->{storecfg}, $volid, 1); |
b7b1ac9d | 256 | die "can't migrate '$volid' as it's a clone of '$parent'" if $parent; |
d5604092 | 257 | } |
3ea94c60 DM |
258 | } |
259 | ||
260 | foreach my $volid (keys %$volhash) { | |
261 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
16e903f2 DM |
262 | push @{$self->{volumes}}, $volid; |
263 | PVE::Storage::storage_migrate($self->{storecfg}, $volid, $self->{nodeip}, $sid); | |
3ea94c60 DM |
264 | } |
265 | }; | |
266 | die "Failed to sync data - $@" if $@; | |
267 | } | |
268 | ||
1e3baf05 | 269 | sub phase1 { |
16e903f2 | 270 | my ($self, $vmid) = @_; |
1e3baf05 | 271 | |
16e903f2 | 272 | $self->log('info', "starting migration of VM $vmid to node '$self->{node}' ($self->{nodeip})"); |
1e3baf05 | 273 | |
16e903f2 | 274 | my $conf = $self->{vmconf}; |
1e3baf05 DM |
275 | |
276 | # set migrate lock in config file | |
1858638f DM |
277 | $conf->{lock} = 'migrate'; |
278 | PVE::QemuServer::update_config_nolock($vmid, $conf, 1); | |
1e3baf05 | 279 | |
16e903f2 | 280 | sync_disks($self, $vmid); |
1ef75254 | 281 | |
1e3baf05 DM |
282 | }; |
283 | ||
16e903f2 DM |
284 | sub phase1_cleanup { |
285 | my ($self, $vmid, $err) = @_; | |
286 | ||
287 | $self->log('info', "aborting phase 1 - cleanup resources"); | |
288 | ||
1858638f DM |
289 | my $conf = $self->{vmconf}; |
290 | delete $conf->{lock}; | |
291 | eval { PVE::QemuServer::update_config_nolock($vmid, $conf, 1) }; | |
16e903f2 DM |
292 | if (my $err = $@) { |
293 | $self->log('err', $err); | |
294 | } | |
f5eb281a | 295 | |
16e903f2 DM |
296 | if ($self->{volumes}) { |
297 | foreach my $volid (@{$self->{volumes}}) { | |
298 | $self->log('err', "found stale volume copy '$volid' on node '$self->{node}'"); | |
299 | # fixme: try to remove ? | |
300 | } | |
301 | } | |
302 | } | |
303 | ||
1e3baf05 | 304 | sub phase2 { |
16e903f2 | 305 | my ($self, $vmid) = @_; |
1e3baf05 | 306 | |
16e903f2 DM |
307 | my $conf = $self->{vmconf}; |
308 | ||
46a84fd4 | 309 | $self->log('info', "starting VM $vmid on remote node '$self->{node}'"); |
1e3baf05 | 310 | |
5bc1e039 | 311 | my $raddr; |
1e3baf05 | 312 | my $rport; |
7e8dcf2c AD |
313 | my $nodename = PVE::INotify::nodename(); |
314 | ||
19672434 | 315 | ## start on remote node |
95a4b4a9 AD |
316 | my $cmd = [@{$self->{rem_ssh}}]; |
317 | ||
7c14dcae | 318 | my $spice_ticket; |
86b8228b | 319 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
95a4b4a9 | 320 | my $res = PVE::QemuServer::vm_mon_cmd($vmid, 'query-spice'); |
7c14dcae | 321 | $spice_ticket = $res->{ticket}; |
95a4b4a9 AD |
322 | } |
323 | ||
324 | push @$cmd , 'qm', 'start', $vmid, '--stateuri', 'tcp', '--skiplock', '--migratedfrom', $nodename; | |
325 | ||
42668529 DM |
326 | if ($self->{forcemachine}) { |
327 | push @$cmd, '--machine', $self->{forcemachine}; | |
328 | } | |
329 | ||
86b8228b DM |
330 | my $spice_port; |
331 | ||
7c14dcae DM |
332 | # Note: We try to keep $spice_ticket secret (do not pass via command line parameter) |
333 | # instead we pipe it through STDIN | |
334 | PVE::Tools::run_command($cmd, input => $spice_ticket, outfunc => sub { | |
1e3baf05 DM |
335 | my $line = shift; |
336 | ||
5bc1e039 SP |
337 | if ($line =~ m/^migration listens on tcp:([\d\.]+|localhost):(\d+)$/) { |
338 | $raddr = $1; | |
339 | $rport = int($2); | |
340 | } | |
341 | elsif ($line =~ m/^migration listens on port (\d+)$/) { | |
342 | $raddr = "localhost"; | |
86b8228b | 343 | $rport = int($1); |
5bc1e039 SP |
344 | } |
345 | elsif ($line =~ m/^spice listens on port (\d+)$/) { | |
86b8228b | 346 | $spice_port = int($1); |
1e3baf05 | 347 | } |
ab399b7c AD |
348 | }, errfunc => sub { |
349 | my $line = shift; | |
350 | $self->log('info', $line); | |
351 | }); | |
1e3baf05 | 352 | |
5bc1e039 | 353 | die "unable to detect remote migration address\n" if !$raddr; |
1ef75254 | 354 | |
1e3baf05 | 355 | ## create tunnel to remote port |
5bc1e039 SP |
356 | $self->log('info', "starting ssh migration tunnel"); |
357 | my $lport = ($raddr eq "localhost") ? PVE::Tools::next_migrate_port() : undef; | |
16e903f2 | 358 | $self->{tunnel} = $self->fork_tunnel($self->{nodeip}, $lport, $rport); |
1e3baf05 | 359 | |
1e3baf05 | 360 | my $start = time(); |
5bc1e039 SP |
361 | $self->log('info', "starting online/live migration on $raddr:$rport"); |
362 | $self->{livemigration} = 1; | |
e18b0b99 | 363 | |
3beb415b AD |
364 | # load_defaults |
365 | my $defaults = PVE::QemuServer::load_defaults(); | |
366 | ||
367 | # always set migrate speed (overwrite kvm default of 32m) | |
368 | # we set a very hight default of 8192m which is basically unlimited | |
369 | my $migrate_speed = $defaults->{migrate_speed} || 8192; | |
370 | $migrate_speed = $conf->{migrate_speed} || $migrate_speed; | |
371 | $migrate_speed = $migrate_speed * 1048576; | |
372 | $self->log('info', "migrate_set_speed: $migrate_speed"); | |
373 | eval { | |
374 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_set_speed", value => int($migrate_speed)); | |
375 | }; | |
376 | $self->log('info', "migrate_set_speed error: $@") if $@; | |
377 | ||
378 | my $migrate_downtime = $defaults->{migrate_downtime}; | |
379 | $migrate_downtime = $conf->{migrate_downtime} if defined($conf->{migrate_downtime}); | |
380 | if (defined($migrate_downtime)) { | |
381 | $self->log('info', "migrate_set_downtime: $migrate_downtime"); | |
382 | eval { | |
865ef132 | 383 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_set_downtime", value => int($migrate_downtime*100)/100); |
3beb415b AD |
384 | }; |
385 | $self->log('info', "migrate_set_downtime error: $@") if $@; | |
386 | } | |
387 | ||
e18b0b99 | 388 | eval { |
a89fded1 | 389 | PVE::QemuServer::set_migration_caps($vmid); |
e18b0b99 | 390 | }; |
a89fded1 | 391 | warn $@ if $@; |
e18b0b99 AD |
392 | |
393 | #set cachesize 10% of the total memory | |
394 | my $cachesize = int($conf->{memory}*1048576/10); | |
395 | eval { | |
396 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate-set-cache-size", value => $cachesize); | |
397 | }; | |
86b8228b DM |
398 | |
399 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { | |
95a4b4a9 AD |
400 | my $rpcenv = PVE::RPCEnvironment::get(); |
401 | my $authuser = $rpcenv->get_user(); | |
402 | ||
86b8228b | 403 | my (undef, $proxyticket) = PVE::AccessControl::assemble_spice_ticket($authuser, $vmid, $self->{node}); |
95a4b4a9 | 404 | |
86b8228b | 405 | my $filename = "/etc/pve/nodes/$self->{node}/pve-ssl.pem"; |
dd25eecf | 406 | my $subject = PVE::AccessControl::read_x509_subject_spice($filename); |
95a4b4a9 AD |
407 | |
408 | $self->log('info', "spice client_migrate_info"); | |
409 | ||
410 | eval { | |
86b8228b DM |
411 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "client_migrate_info", protocol => 'spice', |
412 | hostname => $proxyticket, 'tls-port' => $spice_port, | |
413 | 'cert-subject' => $subject); | |
95a4b4a9 AD |
414 | }; |
415 | $self->log('info', "client_migrate_info error: $@") if $@; | |
416 | ||
417 | } | |
418 | ||
5a7835f5 | 419 | eval { |
5bc1e039 | 420 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate", uri => "tcp:$raddr:$rport"); |
5a7835f5 AD |
421 | }; |
422 | my $merr = $@; | |
5bc1e039 | 423 | $self->log('info', "migrate uri => tcp:$raddr:$rport failed: $merr") if $merr; |
1e3baf05 | 424 | |
a05b47a8 | 425 | my $lstat = 0; |
e52bd94c AD |
426 | my $usleep = 2000000; |
427 | my $i = 0; | |
b0b756c1 | 428 | my $err_count = 0; |
865ef132 SP |
429 | my $lastrem = undef; |
430 | my $downtimecounter = 0; | |
1e3baf05 | 431 | while (1) { |
e52bd94c AD |
432 | $i++; |
433 | my $avglstat = $lstat/$i if $lstat; | |
434 | ||
b0b756c1 DM |
435 | usleep($usleep); |
436 | my $stat; | |
437 | eval { | |
438 | $stat = PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "query-migrate"); | |
439 | }; | |
440 | if (my $err = $@) { | |
441 | $err_count++; | |
442 | warn "query migrate failed: $err\n"; | |
443 | if ($err_count <= 5) { | |
444 | usleep(1000000); | |
445 | next; | |
446 | } | |
447 | die "too many query migrate failures - aborting\n"; | |
448 | } | |
985a5f48 AD |
449 | |
450 | if ($stat->{status} =~ m/^(setup)$/im) { | |
451 | sleep(1); | |
452 | next; | |
453 | } | |
454 | ||
5a7835f5 | 455 | if ($stat->{status} =~ m/^(active|completed|failed|cancelled)$/im) { |
d68afb26 | 456 | $merr = undef; |
b0b756c1 | 457 | $err_count = 0; |
5a7835f5 | 458 | if ($stat->{status} eq 'completed') { |
1e3baf05 DM |
459 | my $delay = time() - $start; |
460 | if ($delay > 0) { | |
461 | my $mbps = sprintf "%.2f", $conf->{memory}/$delay; | |
135007c0 AD |
462 | my $downtime = $stat->{downtime} || 0; |
463 | $self->log('info', "migration speed: $mbps MB/s - downtime $downtime ms"); | |
1e3baf05 DM |
464 | } |
465 | } | |
f5eb281a | 466 | |
5a7835f5 | 467 | if ($stat->{status} eq 'failed' || $stat->{status} eq 'cancelled') { |
1e3baf05 DM |
468 | die "aborting\n" |
469 | } | |
470 | ||
a05b47a8 DM |
471 | if ($stat->{status} ne 'active') { |
472 | $self->log('info', "migration status: $stat->{status}"); | |
473 | last; | |
474 | } | |
475 | ||
476 | if ($stat->{ram}->{transferred} ne $lstat) { | |
477 | my $trans = $stat->{ram}->{transferred} || 0; | |
478 | my $rem = $stat->{ram}->{remaining} || 0; | |
479 | my $total = $stat->{ram}->{total} || 0; | |
e18b0b99 AD |
480 | my $xbzrlecachesize = $stat->{"xbzrle-cache"}->{"cache-size"} || 0; |
481 | my $xbzrlebytes = $stat->{"xbzrle-cache"}->{"bytes"} || 0; | |
482 | my $xbzrlepages = $stat->{"xbzrle-cache"}->{"pages"} || 0; | |
483 | my $xbzrlecachemiss = $stat->{"xbzrle-cache"}->{"cache-miss"} || 0; | |
484 | my $xbzrleoverflow = $stat->{"xbzrle-cache"}->{"overflow"} || 0; | |
e52bd94c | 485 | #reduce sleep if remainig memory if lower than the everage transfert |
94235c59 | 486 | $usleep = 300000 if $avglstat && $rem < $avglstat; |
a05b47a8 DM |
487 | |
488 | $self->log('info', "migration status: $stat->{status} (transferred ${trans}, " . | |
0302101c | 489 | "remaining ${rem}), total ${total})"); |
e18b0b99 | 490 | |
2e787b18 SP |
491 | if (${xbzrlecachesize}) { |
492 | $self->log('info', "migration xbzrle cachesize: ${xbzrlecachesize} transferred ${xbzrlebytes} pages ${xbzrlepages} cachemiss ${xbzrlecachemiss} overflow ${xbzrleoverflow}"); | |
493 | } | |
494 | ||
865ef132 SP |
495 | if (($lastrem && $rem > $lastrem ) || ($rem == 0)) { |
496 | $downtimecounter++; | |
497 | } | |
498 | $lastrem = $rem; | |
499 | ||
500 | if ($downtimecounter > 5) { | |
501 | $downtimecounter = 0; | |
502 | $migrate_downtime *= 2; | |
503 | $self->log('info', "migrate_set_downtime: $migrate_downtime"); | |
504 | eval { | |
505 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_set_downtime", value => int($migrate_downtime*100)/100); | |
506 | }; | |
507 | $self->log('info', "migrate_set_downtime error: $@") if $@; | |
508 | } | |
509 | ||
a05b47a8 DM |
510 | } |
511 | ||
865ef132 | 512 | |
a05b47a8 | 513 | $lstat = $stat->{ram}->{transferred}; |
e52bd94c | 514 | |
1e3baf05 | 515 | } else { |
d68afb26 | 516 | die $merr if $merr; |
5a7835f5 | 517 | die "unable to parse migration status '$stat->{status}' - aborting\n"; |
1e3baf05 | 518 | } |
a05b47a8 | 519 | } |
1e3baf05 | 520 | } |
16e903f2 | 521 | |
c04b5b04 AD |
522 | sub phase2_cleanup { |
523 | my ($self, $vmid, $err) = @_; | |
524 | ||
af30308f DM |
525 | return if !$self->{errors}; |
526 | $self->{phase2errors} = 1; | |
527 | ||
c04b5b04 AD |
528 | $self->log('info', "aborting phase 2 - cleanup resources"); |
529 | ||
19168b91 SP |
530 | $self->log('info', "migrate_cancel"); |
531 | eval { | |
532 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_cancel"); | |
533 | }; | |
534 | $self->log('info', "migrate_cancel error: $@") if $@; | |
535 | ||
c04b5b04 AD |
536 | my $conf = $self->{vmconf}; |
537 | delete $conf->{lock}; | |
538 | eval { PVE::QemuServer::update_config_nolock($vmid, $conf, 1) }; | |
539 | if (my $err = $@) { | |
540 | $self->log('err', $err); | |
541 | } | |
542 | ||
af30308f DM |
543 | # cleanup ressources on target host |
544 | my $nodename = PVE::INotify::nodename(); | |
545 | ||
546 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'stop', $vmid, '--skiplock', '--migratedfrom', $nodename]; | |
547 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
548 | if (my $err = $@) { | |
549 | $self->log('err', $err); | |
550 | $self->{errors} = 1; | |
551 | } | |
c04b5b04 AD |
552 | } |
553 | ||
16e903f2 DM |
554 | sub phase3 { |
555 | my ($self, $vmid) = @_; | |
f5eb281a | 556 | |
16e903f2 | 557 | my $volids = $self->{volumes}; |
af30308f | 558 | return if $self->{phase2errors}; |
16e903f2 DM |
559 | |
560 | # destroy local copies | |
561 | foreach my $volid (@$volids) { | |
562 | eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); }; | |
563 | if (my $err = $@) { | |
564 | $self->log('err', "removing local copy of '$volid' failed - $err"); | |
565 | $self->{errors} = 1; | |
566 | last if $err =~ /^interrupted by signal$/; | |
567 | } | |
568 | } | |
16e903f2 DM |
569 | } |
570 | ||
571 | sub phase3_cleanup { | |
572 | my ($self, $vmid, $err) = @_; | |
573 | ||
574 | my $conf = $self->{vmconf}; | |
af30308f | 575 | return if $self->{phase2errors}; |
16e903f2 | 576 | |
b8d20802 AD |
577 | # move config to remote node |
578 | my $conffile = PVE::QemuServer::config_file($vmid); | |
579 | my $newconffile = PVE::QemuServer::config_file($vmid, $self->{node}); | |
580 | ||
581 | die "Failed to move config to node '$self->{node}' - rename failed: $!\n" | |
582 | if !rename($conffile, $newconffile); | |
583 | ||
5bc1e039 SP |
584 | if ($self->{livemigration}) { |
585 | # now that config file is move, we can resume vm on target if livemigrate | |
b67900f1 | 586 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'resume', $vmid, '--skiplock']; |
d5f315fd AD |
587 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, |
588 | errfunc => sub { | |
589 | my $line = shift; | |
590 | $self->log('err', $line); | |
591 | }); | |
592 | }; | |
f5eb281a | 593 | if (my $err = $@) { |
b67900f1 AD |
594 | $self->log('err', $err); |
595 | $self->{errors} = 1; | |
596 | } | |
597 | } | |
598 | ||
fd8469f7 AD |
599 | eval { |
600 | ||
601 | my $timer = 0; | |
602 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga}) && $self->{running}) { | |
603 | $self->log('info', "Waiting for spice server migration"); | |
604 | while (1) { | |
605 | my $res = PVE::QemuServer::vm_mon_cmd_nocheck($vmid, 'query-spice'); | |
606 | last if int($res->{'migrated'}) == 1; | |
607 | last if $timer > 50; | |
608 | $timer ++; | |
609 | usleep(200000); | |
610 | } | |
611 | } | |
612 | }; | |
95a4b4a9 | 613 | |
16e903f2 DM |
614 | # always stop local VM |
615 | eval { PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, 1, 1); }; | |
616 | if (my $err = $@) { | |
617 | $self->log('err', "stopping vm failed - $err"); | |
618 | $self->{errors} = 1; | |
619 | } | |
620 | ||
97439670 DM |
621 | if ($self->{tunnel}) { |
622 | eval { finish_tunnel($self, $self->{tunnel}); }; | |
623 | if (my $err = $@) { | |
624 | $self->log('err', $err); | |
625 | $self->{errors} = 1; | |
626 | } | |
627 | } | |
628 | ||
16e903f2 DM |
629 | # always deactivate volumes - avoid lvm LVs to be active on several nodes |
630 | eval { | |
631 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); | |
632 | PVE::Storage::deactivate_volumes($self->{storecfg}, $vollist); | |
633 | }; | |
634 | if (my $err = $@) { | |
635 | $self->log('err', $err); | |
636 | $self->{errors} = 1; | |
637 | } | |
638 | ||
639 | # clear migrate lock | |
640 | my $cmd = [ @{$self->{rem_ssh}}, 'qm', 'unlock', $vmid ]; | |
641 | $self->cmd_logerr($cmd, errmsg => "failed to clear migrate lock"); | |
642 | } | |
643 | ||
644 | sub final_cleanup { | |
645 | my ($self, $vmid) = @_; | |
646 | ||
647 | # nothing to do | |
648 | } | |
649 | ||
650 | 1; |