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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; |
61b04c6d | 8 | use POSIX qw( WNOHANG ); |
3ea94c60 | 9 | use PVE::INotify; |
f9a971e0 | 10 | use PVE::Tools; |
3ea94c60 | 11 | use PVE::Cluster; |
1e3baf05 | 12 | use PVE::Storage; |
3ea94c60 | 13 | use PVE::QemuServer; |
e52bd94c | 14 | use Time::HiRes qw( usleep ); |
95a4b4a9 | 15 | use PVE::RPCEnvironment; |
dbc9420b DM |
16 | use PVE::ReplicationConfig; |
17 | use PVE::ReplicationState; | |
54d10ab1 | 18 | use PVE::Replication; |
1e3baf05 | 19 | |
16e903f2 | 20 | use base qw(PVE::AbstractMigrate); |
1e3baf05 | 21 | |
1ef75254 | 22 | sub fork_command_pipe { |
46a84fd4 | 23 | my ($self, $cmd) = @_; |
19672434 | 24 | |
1ef75254 DM |
25 | my $reader = IO::File->new(); |
26 | my $writer = IO::File->new(); | |
27 | ||
28 | my $orig_pid = $$; | |
29 | ||
30 | my $cpid; | |
31 | ||
32 | eval { $cpid = open2($reader, $writer, @$cmd); }; | |
33 | ||
34 | my $err = $@; | |
35 | ||
36 | # catch exec errors | |
37 | if ($orig_pid != $$) { | |
46a84fd4 | 38 | $self->log('err', "can't fork command pipe\n"); |
19672434 DM |
39 | POSIX::_exit(1); |
40 | kill('KILL', $$); | |
1ef75254 DM |
41 | } |
42 | ||
43 | die $err if $err; | |
44 | ||
45 | return { writer => $writer, reader => $reader, pid => $cpid }; | |
46 | } | |
47 | ||
19672434 | 48 | sub finish_command_pipe { |
97439670 | 49 | my ($self, $cmdpipe, $timeout) = @_; |
1ef75254 | 50 | |
61b04c6d TL |
51 | my $cpid = $cmdpipe->{pid}; |
52 | return if !defined($cpid); | |
53 | ||
1ef75254 DM |
54 | my $writer = $cmdpipe->{writer}; |
55 | my $reader = $cmdpipe->{reader}; | |
56 | ||
57 | $writer->close(); | |
58 | $reader->close(); | |
59 | ||
61b04c6d TL |
60 | my $collect_child_process = sub { |
61 | my $res = waitpid($cpid, WNOHANG); | |
62 | if (defined($res) && ($res == $cpid)) { | |
63 | delete $cmdpipe->{cpid}; | |
64 | return 1; | |
65 | } else { | |
66 | return 0; | |
67 | } | |
68 | }; | |
1ef75254 | 69 | |
97439670 DM |
70 | if ($timeout) { |
71 | for (my $i = 0; $i < $timeout; $i++) { | |
61b04c6d | 72 | return if &$collect_child_process(); |
97439670 DM |
73 | sleep(1); |
74 | } | |
75 | } | |
76 | ||
77 | $self->log('info', "ssh tunnel still running - terminating now with SIGTERM\n"); | |
78 | kill(15, $cpid); | |
1ef75254 | 79 | |
97439670 DM |
80 | # wait again |
81 | for (my $i = 0; $i < 10; $i++) { | |
61b04c6d | 82 | return if &$collect_child_process(); |
97439670 DM |
83 | sleep(1); |
84 | } | |
85 | ||
86 | $self->log('info', "ssh tunnel still running - terminating now with SIGKILL\n"); | |
87 | kill 9, $cpid; | |
88 | sleep 1; | |
61b04c6d TL |
89 | |
90 | $self->log('err', "ssh tunnel child process (PID $cpid) couldn't be collected\n") | |
91 | if !&$collect_child_process(); | |
1ef75254 DM |
92 | } |
93 | ||
e0eb1f76 FG |
94 | sub read_tunnel { |
95 | my ($self, $tunnel, $timeout) = @_; | |
96 | ||
97 | $timeout = 60 if !defined($timeout); | |
98 | ||
99 | my $reader = $tunnel->{reader}; | |
100 | ||
101 | my $output; | |
102 | eval { | |
103 | PVE::Tools::run_with_timeout($timeout, sub { $output = <$reader>; }); | |
104 | }; | |
105 | die "reading from tunnel failed: $@\n" if $@; | |
106 | ||
107 | chomp $output; | |
108 | ||
109 | return $output; | |
110 | } | |
111 | ||
112 | sub write_tunnel { | |
113 | my ($self, $tunnel, $timeout, $command) = @_; | |
114 | ||
115 | $timeout = 60 if !defined($timeout); | |
116 | ||
117 | my $writer = $tunnel->{writer}; | |
118 | ||
119 | eval { | |
120 | PVE::Tools::run_with_timeout($timeout, sub { | |
121 | print $writer "$command\n"; | |
122 | $writer->flush(); | |
123 | }); | |
124 | }; | |
125 | die "writing to tunnel failed: $@\n" if $@; | |
bcb51ae8 FG |
126 | |
127 | if ($tunnel->{version} && $tunnel->{version} >= 1) { | |
128 | my $res = eval { $self->read_tunnel($tunnel, 10); }; | |
129 | die "no reply to command '$command': $@\n" if $@; | |
130 | ||
131 | if ($res eq 'OK') { | |
132 | return; | |
133 | } else { | |
134 | die "tunnel replied '$res' to command '$command'\n"; | |
135 | } | |
136 | } | |
e0eb1f76 FG |
137 | } |
138 | ||
1e3baf05 | 139 | sub fork_tunnel { |
1c9d54bf | 140 | my ($self, $tunnel_addr) = @_; |
1e3baf05 | 141 | |
e858e9d2 | 142 | my @localtunnelinfo = defined($tunnel_addr) ? ('-L' , $tunnel_addr ) : (); |
5bc1e039 | 143 | |
d7b1b24b | 144 | my $cmd = [@{$self->{rem_ssh}}, '-o ExitOnForwardFailure=yes', @localtunnelinfo, '/usr/sbin/qm', 'mtunnel' ]; |
19672434 | 145 | |
46a84fd4 | 146 | my $tunnel = $self->fork_command_pipe($cmd); |
1e3baf05 | 147 | |
19672434 | 148 | eval { |
e0eb1f76 | 149 | my $helo = $self->read_tunnel($tunnel, 60); |
1e3baf05 | 150 | die "no reply\n" if !$helo; |
1ef75254 | 151 | die "no quorum on target node\n" if $helo =~ m/^no quorum$/; |
19672434 | 152 | die "got strange reply from mtunnel ('$helo')\n" |
1e3baf05 DM |
153 | if $helo !~ m/^tunnel online$/; |
154 | }; | |
155 | my $err = $@; | |
156 | ||
58cbe639 FG |
157 | eval { |
158 | my $ver = $self->read_tunnel($tunnel, 10); | |
159 | if ($ver =~ /^ver (\d+)$/) { | |
160 | $tunnel->{version} = $1; | |
161 | $self->log('info', "ssh tunnel $ver\n"); | |
162 | } else { | |
163 | $err = "received invalid tunnel version string '$ver'\n" if !$err; | |
164 | } | |
165 | }; | |
166 | ||
1e3baf05 | 167 | if ($err) { |
46a84fd4 | 168 | $self->finish_command_pipe($tunnel); |
1e3baf05 DM |
169 | die "can't open migration tunnel - $err"; |
170 | } | |
171 | return $tunnel; | |
172 | } | |
173 | ||
19672434 | 174 | sub finish_tunnel { |
16e903f2 | 175 | my ($self, $tunnel) = @_; |
1e3baf05 | 176 | |
e0eb1f76 | 177 | eval { $self->write_tunnel($tunnel, 30, 'quit'); }; |
1e3baf05 | 178 | my $err = $@; |
19672434 | 179 | |
97439670 | 180 | $self->finish_command_pipe($tunnel, 30); |
19672434 | 181 | |
1c9d54bf TL |
182 | if ($tunnel->{sock_addr}) { |
183 | # ssh does not clean up on local host | |
184 | my $cmd = ['rm', '-f', $tunnel->{sock_addr}]; # | |
185 | PVE::Tools::run_command($cmd); | |
186 | ||
187 | # .. and just to be sure check on remote side | |
188 | unshift @{$cmd}, @{$self->{rem_ssh}}; | |
189 | PVE::Tools::run_command($cmd); | |
190 | } | |
191 | ||
1e3baf05 DM |
192 | die $err if $err; |
193 | } | |
194 | ||
16e903f2 DM |
195 | sub lock_vm { |
196 | my ($self, $vmid, $code, @param) = @_; | |
f5eb281a | 197 | |
ffda963f | 198 | return PVE::QemuConfig->lock_config($vmid, $code, @param); |
16e903f2 | 199 | } |
ff1a2432 | 200 | |
16e903f2 DM |
201 | sub prepare { |
202 | my ($self, $vmid) = @_; | |
ff1a2432 | 203 | |
16e903f2 | 204 | my $online = $self->{opts}->{online}; |
3ea94c60 | 205 | |
16e903f2 | 206 | $self->{storecfg} = PVE::Storage::config(); |
3ea94c60 | 207 | |
e1fc368d | 208 | # test if VM exists |
ffda963f | 209 | my $conf = $self->{vmconf} = PVE::QemuConfig->load_config($vmid); |
3ea94c60 | 210 | |
ffda963f | 211 | PVE::QemuConfig->check_lock($conf); |
3ea94c60 | 212 | |
16e903f2 DM |
213 | my $running = 0; |
214 | if (my $pid = PVE::QemuServer::check_running($vmid)) { | |
b6adff33 | 215 | die "can't migrate running VM without --online\n" if !$online; |
16e903f2 | 216 | $running = $pid; |
42dbd2ee AD |
217 | |
218 | $self->{forcemachine} = PVE::QemuServer::qemu_machine_pxe($vmid, $conf); | |
7bac824e | 219 | |
3ea94c60 DM |
220 | } |
221 | ||
16e903f2 DM |
222 | if (my $loc_res = PVE::QemuServer::check_local_resources($conf, 1)) { |
223 | if ($self->{running} || !$self->{opts}->{force}) { | |
224 | die "can't migrate VM which uses local devices\n"; | |
225 | } else { | |
226 | $self->log('info', "migrating VM which uses local devices"); | |
227 | } | |
3ea94c60 DM |
228 | } |
229 | ||
ff1a2432 | 230 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); |
16e903f2 | 231 | |
73f5ee92 | 232 | my $need_activate = []; |
29701766 FG |
233 | foreach my $volid (@$vollist) { |
234 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1); | |
235 | ||
236 | # check if storage is available on both nodes | |
8c58b12d | 237 | my $targetsid = $self->{opts}->{targetstorage} // $sid; |
b74cad8a | 238 | |
29701766 | 239 | my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $sid); |
b74cad8a | 240 | PVE::Storage::storage_check_node($self->{storecfg}, $targetsid, $self->{node}); |
73f5ee92 FG |
241 | |
242 | if ($scfg->{shared}) { | |
243 | # PVE::Storage::activate_storage checks this for non-shared storages | |
244 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
245 | warn "Used shared storage '$sid' is not online on source node!\n" | |
246 | if !$plugin->check_connection($sid, $scfg); | |
247 | } else { | |
248 | # only activate if not shared | |
249 | push @$need_activate, $volid; | |
250 | } | |
29701766 | 251 | } |
3ea94c60 | 252 | |
73f5ee92 FG |
253 | # activate volumes |
254 | PVE::Storage::activate_volumes($self->{storecfg}, $need_activate); | |
255 | ||
3ea94c60 | 256 | # test ssh connection |
16e903f2 DM |
257 | my $cmd = [ @{$self->{rem_ssh}}, '/bin/true' ]; |
258 | eval { $self->cmd_quiet($cmd); }; | |
3ea94c60 | 259 | die "Can't connect to destination address using public key\n" if $@; |
ff1a2432 | 260 | |
16e903f2 | 261 | return $running; |
3ea94c60 DM |
262 | } |
263 | ||
264 | sub sync_disks { | |
16e903f2 DM |
265 | my ($self, $vmid) = @_; |
266 | ||
16e903f2 DM |
267 | my $conf = $self->{vmconf}; |
268 | ||
dabf2473 | 269 | # local volumes which have been copied |
16e903f2 | 270 | $self->{volumes} = []; |
3ea94c60 | 271 | |
8c58b12d WB |
272 | my $override_targetsid = $self->{opts}->{targetstorage}; |
273 | ||
3ea94c60 DM |
274 | eval { |
275 | ||
dabf2473 FG |
276 | # found local volumes and their origin |
277 | my $local_volumes = {}; | |
5bf7f0f1 FG |
278 | my $local_volumes_errors = {}; |
279 | my $other_errors = []; | |
280 | my $abort = 0; | |
3ea94c60 | 281 | |
a06c7f7e DM |
282 | my $sharedvm = 1; |
283 | ||
5bf7f0f1 FG |
284 | my $log_error = sub { |
285 | my ($msg, $volid) = @_; | |
286 | ||
287 | if (defined($volid)) { | |
288 | $local_volumes_errors->{$volid} = $msg; | |
289 | } else { | |
290 | push @$other_errors, $msg; | |
291 | } | |
292 | $abort = 1; | |
293 | }; | |
294 | ||
522c8f97 | 295 | my @sids = PVE::Storage::storage_ids($self->{storecfg}); |
86638cc2 | 296 | foreach my $storeid (@sids) { |
522c8f97 | 297 | my $scfg = PVE::Storage::storage_config($self->{storecfg}, $storeid); |
86638cc2 | 298 | next if $scfg->{shared}; |
373ea579 DM |
299 | next if !PVE::Storage::storage_check_enabled($self->{storecfg}, $storeid, undef, 1); |
300 | ||
86638cc2 FG |
301 | # get list from PVE::Storage (for unused volumes) |
302 | my $dl = PVE::Storage::vdisk_list($self->{storecfg}, $storeid, $vmid); | |
89719f98 FG |
303 | |
304 | next if @{$dl->{$storeid}} == 0; | |
305 | ||
8c58b12d | 306 | my $targetsid = $override_targetsid // $storeid; |
d80ad67f | 307 | |
86638cc2 | 308 | # check if storage is available on target node |
d80ad67f | 309 | PVE::Storage::storage_check_node($self->{storecfg}, $targetsid, $self->{node}); |
89719f98 FG |
310 | $sharedvm = 0; # there is a non-shared disk |
311 | ||
86638cc2 FG |
312 | PVE::Storage::foreach_volid($dl, sub { |
313 | my ($volid, $sid, $volname) = @_; | |
80b2cbd1 | 314 | |
6f58fce9 | 315 | $local_volumes->{$volid}->{ref} = 'storage'; |
86638cc2 FG |
316 | }); |
317 | } | |
3ea94c60 | 318 | |
3629c19d | 319 | my $test_volid = sub { |
aee6abe5 | 320 | my ($volid, $attr) = @_; |
3ea94c60 | 321 | |
5bf7f0f1 | 322 | if ($volid =~ m|^/|) { |
ec82e3ee | 323 | return if $attr->{shared}; |
6f58fce9 | 324 | $local_volumes->{$volid}->{ref} = 'config'; |
5bf7f0f1 FG |
325 | die "local file/device\n"; |
326 | } | |
3ea94c60 | 327 | |
aee6abe5 DM |
328 | my $snaprefs = $attr->{referenced_in_snapshot}; |
329 | ||
330 | if ($attr->{cdrom}) { | |
5bf7f0f1 FG |
331 | if ($volid eq 'cdrom') { |
332 | my $msg = "can't migrate local cdrom drive"; | |
5009a8c7 | 333 | if (defined($snaprefs) && !$attr->{referenced_in_config}) { |
aee6abe5 | 334 | my $snapnames = join(', ', sort keys %$snaprefs); |
5009a8c7 | 335 | $msg .= " (referenced in snapshot - $snapnames)"; |
aee6abe5 | 336 | } |
5bf7f0f1 FG |
337 | &$log_error("$msg\n"); |
338 | return; | |
339 | } | |
3ea94c60 | 340 | return if $volid eq 'none'; |
3ea94c60 DM |
341 | } |
342 | ||
343 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
344 | ||
8c58b12d | 345 | my $targetsid = $override_targetsid // $sid; |
16e903f2 DM |
346 | # check if storage is available on both nodes |
347 | my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $sid); | |
d80ad67f | 348 | PVE::Storage::storage_check_node($self->{storecfg}, $targetsid, $self->{node}); |
3ea94c60 DM |
349 | |
350 | return if $scfg->{shared}; | |
351 | ||
3ea94c60 DM |
352 | $sharedvm = 0; |
353 | ||
6f58fce9 | 354 | $local_volumes->{$volid}->{ref} = $attr->{referenced_in_config} ? 'config' : 'snapshot'; |
d62fcf74 | 355 | |
aee6abe5 | 356 | die "local cdrom image\n" if $attr->{cdrom}; |
3629c19d | 357 | |
16e903f2 | 358 | my ($path, $owner) = PVE::Storage::path($self->{storecfg}, $volid); |
3ea94c60 | 359 | |
5bf7f0f1 | 360 | die "owned by other VM (owner = VM $owner)\n" |
16e903f2 | 361 | if !$owner || ($owner != $self->{vmid}); |
3ea94c60 | 362 | |
6f58fce9 WB |
363 | my $format = PVE::QemuServer::qemu_img_format($scfg, $volname); |
364 | $local_volumes->{$volid}->{snapshots} = defined($snaprefs) || ($format =~ /^(?:qcow2|vmdk)$/); | |
aee6abe5 | 365 | if (defined($snaprefs)) { |
3629c19d DM |
366 | # we cannot migrate shapshots on local storage |
367 | # exceptions: 'zfspool' or 'qcow2' files (on directory storage) | |
368 | ||
b74cad8a | 369 | die "online storage migration not possible if snapshot exists\n" if $self->{running}; |
b3205b15 | 370 | if (!($scfg->{type} eq 'zfspool' || $format eq 'qcow2')) { |
5bf7f0f1 | 371 | die "non-migratable snapshot exists\n"; |
3629c19d | 372 | } |
3629c19d | 373 | } |
3a7bc9e2 FG |
374 | |
375 | die "referenced by linked clone(s)\n" | |
376 | if PVE::Storage::volume_is_base_and_used($self->{storecfg}, $volid); | |
3629c19d DM |
377 | }; |
378 | ||
aee6abe5 DM |
379 | PVE::QemuServer::foreach_volid($conf, sub { |
380 | my ($volid, $attr) = @_; | |
381 | eval { $test_volid->($volid, $attr); }; | |
382 | if (my $err = $@) { | |
383 | &$log_error($err, $volid); | |
384 | } | |
385 | }); | |
3ea94c60 | 386 | |
dabf2473 | 387 | foreach my $vol (sort keys %$local_volumes) { |
6f58fce9 WB |
388 | my $ref = $local_volumes->{$vol}->{ref}; |
389 | if ($ref eq 'storage') { | |
d62fcf74 | 390 | $self->log('info', "found local disk '$vol' (via storage)\n"); |
6f58fce9 | 391 | } elsif ($ref eq 'config') { |
dbc9420b DM |
392 | &$log_error("can't live migrate attached local disks without with-local-disks option\n", $vol) |
393 | if $self->{running} && !$self->{opts}->{"with-local-disks"}; | |
d62fcf74 | 394 | $self->log('info', "found local disk '$vol' (in current VM config)\n"); |
6f58fce9 | 395 | } elsif ($ref eq 'snapshot') { |
d62fcf74 FG |
396 | $self->log('info', "found local disk '$vol' (referenced by snapshot(s))\n"); |
397 | } else { | |
398 | $self->log('info', "found local disk '$vol'\n"); | |
399 | } | |
400 | } | |
401 | ||
5bf7f0f1 FG |
402 | foreach my $vol (sort keys %$local_volumes_errors) { |
403 | $self->log('warn', "can't migrate local disk '$vol': $local_volumes_errors->{$vol}"); | |
404 | } | |
405 | foreach my $err (@$other_errors) { | |
406 | $self->log('warn', "$err"); | |
407 | } | |
408 | ||
5bf7f0f1 FG |
409 | if ($abort) { |
410 | die "can't migrate VM - check log\n"; | |
411 | } | |
412 | ||
c4d2d6c1 | 413 | # additional checks for local storage |
dabf2473 | 414 | foreach my $volid (keys %$local_volumes) { |
3ea94c60 | 415 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); |
16e903f2 | 416 | my $scfg = PVE::Storage::storage_config($self->{storecfg}, $sid); |
3ea94c60 | 417 | |
c4d2d6c1 WL |
418 | my $migratable = ($scfg->{type} eq 'dir') || ($scfg->{type} eq 'zfspool') || |
419 | ($scfg->{type} eq 'lvmthin') || ($scfg->{type} eq 'lvm'); | |
420 | ||
37a6dc78 | 421 | die "can't migrate '$volid' - storage type '$scfg->{type}' not supported\n" |
c4d2d6c1 | 422 | if !$migratable; |
d5604092 | 423 | |
c4d2d6c1 WL |
424 | # image is a linked clone on local storage, se we can't migrate. |
425 | if (my $basename = (PVE::Storage::parse_volname($self->{storecfg}, $volid))[3]) { | |
426 | die "can't migrate '$volid' as it's a clone of '$basename'"; | |
d5604092 | 427 | } |
3ea94c60 DM |
428 | } |
429 | ||
dbc9420b DM |
430 | my $rep_volumes; |
431 | ||
b74cad8a AD |
432 | $self->log('info', "copying disk images"); |
433 | ||
dbc9420b DM |
434 | my $rep_cfg = PVE::ReplicationConfig->new(); |
435 | ||
436 | if (my $jobcfg = $rep_cfg->find_local_replication_job($vmid, $self->{node})) { | |
437 | die "can't live migrate VM with replicated volumes\n" if $self->{running}; | |
438 | my $start_time = time(); | |
439 | my $logfunc = sub { my ($msg) = @_; $self->log('info', $msg); }; | |
440 | $rep_volumes = PVE::Replication::run_replication( | |
441 | 'PVE::QemuConfig', $jobcfg, $start_time, $start_time, $logfunc); | |
4bdd20ab | 442 | $self->{replicated_volumes} = $rep_volumes; |
dbc9420b DM |
443 | } |
444 | ||
dabf2473 | 445 | foreach my $volid (keys %$local_volumes) { |
3ea94c60 | 446 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); |
8c58b12d | 447 | my $targetsid = $override_targetsid // $sid; |
4530494b | 448 | if ($self->{running} && $local_volumes->{$volid}->{ref} eq 'config') { |
b74cad8a AD |
449 | push @{$self->{online_local_volumes}}, $volid; |
450 | } else { | |
dbc9420b | 451 | next if $rep_volumes->{$volid}; |
b74cad8a | 452 | push @{$self->{volumes}}, $volid; |
f1c2a53a | 453 | my $insecure = $self->{opts}->{migration_type} eq 'insecure'; |
6f58fce9 | 454 | my $with_snapshots = $local_volumes->{$volid}->{snapshots}; |
d0c67182 | 455 | PVE::Storage::storage_migrate($self->{storecfg}, $volid, $self->{ssh_info}, $targetsid, |
6f58fce9 | 456 | undef, undef, undef, undef, $insecure, $with_snapshots); |
b74cad8a | 457 | } |
3ea94c60 DM |
458 | } |
459 | }; | |
460 | die "Failed to sync data - $@" if $@; | |
461 | } | |
462 | ||
b74cad8a AD |
463 | sub cleanup_remotedisks { |
464 | my ($self) = @_; | |
465 | ||
466 | foreach my $target_drive (keys %{$self->{target_drive}}) { | |
467 | ||
468 | my $drive = PVE::QemuServer::parse_drive($target_drive, $self->{target_drive}->{$target_drive}->{volid}); | |
469 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($drive->{file}); | |
470 | ||
471 | my $cmd = [@{$self->{rem_ssh}}, 'pvesm', 'free', "$storeid:$volname"]; | |
472 | ||
473 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
474 | if (my $err = $@) { | |
475 | $self->log('err', $err); | |
476 | $self->{errors} = 1; | |
477 | } | |
478 | } | |
479 | } | |
480 | ||
1e3baf05 | 481 | sub phase1 { |
16e903f2 | 482 | my ($self, $vmid) = @_; |
1e3baf05 | 483 | |
16e903f2 | 484 | $self->log('info', "starting migration of VM $vmid to node '$self->{node}' ($self->{nodeip})"); |
1e3baf05 | 485 | |
16e903f2 | 486 | my $conf = $self->{vmconf}; |
1e3baf05 DM |
487 | |
488 | # set migrate lock in config file | |
1858638f | 489 | $conf->{lock} = 'migrate'; |
ffda963f | 490 | PVE::QemuConfig->write_config($vmid, $conf); |
1e3baf05 | 491 | |
16e903f2 | 492 | sync_disks($self, $vmid); |
1ef75254 | 493 | |
1e3baf05 DM |
494 | }; |
495 | ||
16e903f2 DM |
496 | sub phase1_cleanup { |
497 | my ($self, $vmid, $err) = @_; | |
498 | ||
499 | $self->log('info', "aborting phase 1 - cleanup resources"); | |
500 | ||
1858638f DM |
501 | my $conf = $self->{vmconf}; |
502 | delete $conf->{lock}; | |
ffda963f | 503 | eval { PVE::QemuConfig->write_config($vmid, $conf) }; |
16e903f2 DM |
504 | if (my $err = $@) { |
505 | $self->log('err', $err); | |
506 | } | |
f5eb281a | 507 | |
16e903f2 DM |
508 | if ($self->{volumes}) { |
509 | foreach my $volid (@{$self->{volumes}}) { | |
510 | $self->log('err', "found stale volume copy '$volid' on node '$self->{node}'"); | |
511 | # fixme: try to remove ? | |
512 | } | |
513 | } | |
514 | } | |
515 | ||
1e3baf05 | 516 | sub phase2 { |
16e903f2 | 517 | my ($self, $vmid) = @_; |
1e3baf05 | 518 | |
16e903f2 DM |
519 | my $conf = $self->{vmconf}; |
520 | ||
46a84fd4 | 521 | $self->log('info', "starting VM $vmid on remote node '$self->{node}'"); |
1e3baf05 | 522 | |
5bc1e039 | 523 | my $raddr; |
1e3baf05 | 524 | my $rport; |
1c9d54bf | 525 | my $ruri; # the whole migration dst. URI (protocol:address[:port]) |
7e8dcf2c AD |
526 | my $nodename = PVE::INotify::nodename(); |
527 | ||
19672434 | 528 | ## start on remote node |
95a4b4a9 AD |
529 | my $cmd = [@{$self->{rem_ssh}}]; |
530 | ||
7c14dcae | 531 | my $spice_ticket; |
86b8228b | 532 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
95a4b4a9 | 533 | my $res = PVE::QemuServer::vm_mon_cmd($vmid, 'query-spice'); |
7c14dcae | 534 | $spice_ticket = $res->{ticket}; |
95a4b4a9 AD |
535 | } |
536 | ||
1c9d54bf TL |
537 | push @$cmd , 'qm', 'start', $vmid, '--skiplock', '--migratedfrom', $nodename; |
538 | ||
f1c2a53a | 539 | my $migration_type = $self->{opts}->{migration_type}; |
2de2d6f7 TL |
540 | |
541 | push @$cmd, '--migration_type', $migration_type; | |
542 | ||
543 | push @$cmd, '--migration_network', $self->{opts}->{migration_network} | |
544 | if $self->{opts}->{migration_network}; | |
545 | ||
546 | if ($migration_type eq 'insecure') { | |
1c9d54bf TL |
547 | push @$cmd, '--stateuri', 'tcp'; |
548 | } else { | |
549 | push @$cmd, '--stateuri', 'unix'; | |
550 | } | |
95a4b4a9 | 551 | |
42668529 DM |
552 | if ($self->{forcemachine}) { |
553 | push @$cmd, '--machine', $self->{forcemachine}; | |
554 | } | |
555 | ||
4530494b TL |
556 | if ($self->{online_local_volumes}) { |
557 | push @$cmd, '--targetstorage', ($self->{opts}->{targetstorage} // '1'); | |
b74cad8a AD |
558 | } |
559 | ||
86b8228b DM |
560 | my $spice_port; |
561 | ||
7c14dcae DM |
562 | # Note: We try to keep $spice_ticket secret (do not pass via command line parameter) |
563 | # instead we pipe it through STDIN | |
564 | PVE::Tools::run_command($cmd, input => $spice_ticket, outfunc => sub { | |
1e3baf05 DM |
565 | my $line = shift; |
566 | ||
407e0b8b | 567 | if ($line =~ m/^migration listens on tcp:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+)$/) { |
5bc1e039 SP |
568 | $raddr = $1; |
569 | $rport = int($2); | |
1c9d54bf TL |
570 | $ruri = "tcp:$raddr:$rport"; |
571 | } | |
572 | elsif ($line =~ m!^migration listens on unix:(/run/qemu-server/(\d+)\.migrate)$!) { | |
573 | $raddr = $1; | |
574 | die "Destination UNIX sockets VMID does not match source VMID" if $vmid ne $2; | |
575 | $ruri = "unix:$raddr"; | |
5bc1e039 SP |
576 | } |
577 | elsif ($line =~ m/^migration listens on port (\d+)$/) { | |
578 | $raddr = "localhost"; | |
86b8228b | 579 | $rport = int($1); |
1c9d54bf | 580 | $ruri = "tcp:$raddr:$rport"; |
5bc1e039 SP |
581 | } |
582 | elsif ($line =~ m/^spice listens on port (\d+)$/) { | |
86b8228b | 583 | $spice_port = int($1); |
1e3baf05 | 584 | } |
b74cad8a AD |
585 | elsif ($line =~ m/^storage migration listens on nbd:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+):exportname=(\S+) volume:(\S+)$/) { |
586 | my $volid = $4; | |
587 | my $nbd_uri = "nbd:$1:$2:exportname=$3"; | |
588 | my $targetdrive = $3; | |
589 | $targetdrive =~ s/drive-//g; | |
590 | ||
591 | $self->{target_drive}->{$targetdrive}->{volid} = $volid; | |
592 | $self->{target_drive}->{$targetdrive}->{nbd_uri} = $nbd_uri; | |
593 | ||
594 | } | |
ab399b7c AD |
595 | }, errfunc => sub { |
596 | my $line = shift; | |
597 | $self->log('info', $line); | |
598 | }); | |
1e3baf05 | 599 | |
5bc1e039 | 600 | die "unable to detect remote migration address\n" if !$raddr; |
1ef75254 | 601 | |
d296ed08 AD |
602 | $self->log('info', "start remote tunnel"); |
603 | ||
2de2d6f7 | 604 | if ($migration_type eq 'secure') { |
1c9d54bf TL |
605 | |
606 | if ($ruri =~ /^unix:/) { | |
54323eed | 607 | unlink $raddr; |
1c9d54bf TL |
608 | $self->{tunnel} = $self->fork_tunnel("$raddr:$raddr"); |
609 | $self->{tunnel}->{sock_addr} = $raddr; | |
610 | ||
611 | my $unix_socket_try = 0; # wait for the socket to become ready | |
612 | while (! -S $raddr) { | |
613 | $unix_socket_try++; | |
614 | if ($unix_socket_try > 100) { | |
615 | $self->{errors} = 1; | |
616 | $self->finish_tunnel($self->{tunnel}); | |
617 | die "Timeout, migration socket $ruri did not get ready"; | |
618 | } | |
619 | ||
620 | usleep(50000); | |
621 | } | |
622 | ||
623 | } elsif ($ruri =~ /^tcp:/) { | |
e858e9d2 TL |
624 | my $tunnel_addr; |
625 | if ($raddr eq "localhost") { | |
626 | # for backwards compatibility with older qemu-server versions | |
627 | my $pfamily = PVE::Tools::get_host_address_family($nodename); | |
628 | my $lport = PVE::Tools::next_migrate_port($pfamily); | |
629 | $tunnel_addr = "$lport:localhost:$rport"; | |
630 | } | |
1c9d54bf | 631 | |
e858e9d2 | 632 | $self->{tunnel} = $self->fork_tunnel($tunnel_addr); |
1c9d54bf TL |
633 | |
634 | } else { | |
635 | die "unsupported protocol in migration URI: $ruri\n"; | |
636 | } | |
d296ed08 AD |
637 | } else { |
638 | #fork tunnel for insecure migration, to send faster commands like resume | |
639 | $self->{tunnel} = $self->fork_tunnel(); | |
1c9d54bf | 640 | } |
1e3baf05 | 641 | |
1e3baf05 | 642 | my $start = time(); |
b74cad8a | 643 | |
c7789f54 | 644 | if (defined($self->{online_local_volumes})) { |
b74cad8a AD |
645 | $self->{storage_migration} = 1; |
646 | $self->{storage_migration_jobs} = {}; | |
647 | $self->log('info', "starting storage migration"); | |
648 | ||
bd2d5fe6 | 649 | die "The number of local disks does not match between the source and the destination.\n" |
3b4cf0f0 | 650 | if (scalar(keys %{$self->{target_drive}}) != scalar @{$self->{online_local_volumes}}); |
b74cad8a | 651 | foreach my $drive (keys %{$self->{target_drive}}){ |
3b4cf0f0 | 652 | my $nbd_uri = $self->{target_drive}->{$drive}->{nbd_uri}; |
d108cb1e | 653 | $self->log('info', "$drive: start migration to $nbd_uri"); |
3b4cf0f0 | 654 | PVE::QemuServer::qemu_drive_mirror($vmid, $drive, $nbd_uri, $vmid, undef, $self->{storage_migration_jobs}, 1); |
b74cad8a AD |
655 | } |
656 | } | |
657 | ||
1c9d54bf | 658 | $self->log('info', "starting online/live migration on $ruri"); |
5bc1e039 | 659 | $self->{livemigration} = 1; |
e18b0b99 | 660 | |
3beb415b AD |
661 | # load_defaults |
662 | my $defaults = PVE::QemuServer::load_defaults(); | |
663 | ||
664 | # always set migrate speed (overwrite kvm default of 32m) | |
665 | # we set a very hight default of 8192m which is basically unlimited | |
666 | my $migrate_speed = $defaults->{migrate_speed} || 8192; | |
667 | $migrate_speed = $conf->{migrate_speed} || $migrate_speed; | |
668 | $migrate_speed = $migrate_speed * 1048576; | |
669 | $self->log('info', "migrate_set_speed: $migrate_speed"); | |
670 | eval { | |
671 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_set_speed", value => int($migrate_speed)); | |
672 | }; | |
673 | $self->log('info', "migrate_set_speed error: $@") if $@; | |
674 | ||
675 | my $migrate_downtime = $defaults->{migrate_downtime}; | |
676 | $migrate_downtime = $conf->{migrate_downtime} if defined($conf->{migrate_downtime}); | |
677 | if (defined($migrate_downtime)) { | |
678 | $self->log('info', "migrate_set_downtime: $migrate_downtime"); | |
679 | eval { | |
865ef132 | 680 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_set_downtime", value => int($migrate_downtime*100)/100); |
3beb415b AD |
681 | }; |
682 | $self->log('info', "migrate_set_downtime error: $@") if $@; | |
683 | } | |
684 | ||
f34d1466 | 685 | $self->log('info', "set migration_caps"); |
e18b0b99 | 686 | eval { |
a89fded1 | 687 | PVE::QemuServer::set_migration_caps($vmid); |
e18b0b99 | 688 | }; |
a89fded1 | 689 | warn $@ if $@; |
e18b0b99 | 690 | |
171ed95c EK |
691 | # set cachesize to 10% of the total memory |
692 | my $memory = $conf->{memory} || $defaults->{memory}; | |
693 | my $cachesize = int($memory * 1048576 / 10); | |
50d8dd5d AD |
694 | $cachesize = round_powerof2($cachesize); |
695 | ||
f34d1466 | 696 | $self->log('info', "set cachesize: $cachesize"); |
e18b0b99 | 697 | eval { |
f34d1466 | 698 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate-set-cache-size", value => int($cachesize)); |
e18b0b99 | 699 | }; |
f34d1466 TL |
700 | $self->log('info', "migrate-set-cache-size error: $@") if $@; |
701 | ||
86b8228b | 702 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
95a4b4a9 AD |
703 | my $rpcenv = PVE::RPCEnvironment::get(); |
704 | my $authuser = $rpcenv->get_user(); | |
705 | ||
86b8228b | 706 | my (undef, $proxyticket) = PVE::AccessControl::assemble_spice_ticket($authuser, $vmid, $self->{node}); |
95a4b4a9 | 707 | |
86b8228b | 708 | my $filename = "/etc/pve/nodes/$self->{node}/pve-ssl.pem"; |
dd25eecf | 709 | my $subject = PVE::AccessControl::read_x509_subject_spice($filename); |
95a4b4a9 AD |
710 | |
711 | $self->log('info', "spice client_migrate_info"); | |
712 | ||
713 | eval { | |
86b8228b DM |
714 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "client_migrate_info", protocol => 'spice', |
715 | hostname => $proxyticket, 'tls-port' => $spice_port, | |
716 | 'cert-subject' => $subject); | |
95a4b4a9 AD |
717 | }; |
718 | $self->log('info', "client_migrate_info error: $@") if $@; | |
719 | ||
720 | } | |
721 | ||
f34d1466 | 722 | $self->log('info', "start migrate command to $ruri"); |
5a7835f5 | 723 | eval { |
1c9d54bf | 724 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate", uri => $ruri); |
5a7835f5 AD |
725 | }; |
726 | my $merr = $@; | |
1c9d54bf | 727 | $self->log('info', "migrate uri => $ruri failed: $merr") if $merr; |
1e3baf05 | 728 | |
a05b47a8 | 729 | my $lstat = 0; |
4305207d | 730 | my $usleep = 1000000; |
e52bd94c | 731 | my $i = 0; |
b0b756c1 | 732 | my $err_count = 0; |
865ef132 SP |
733 | my $lastrem = undef; |
734 | my $downtimecounter = 0; | |
1e3baf05 | 735 | while (1) { |
e52bd94c AD |
736 | $i++; |
737 | my $avglstat = $lstat/$i if $lstat; | |
738 | ||
b0b756c1 DM |
739 | usleep($usleep); |
740 | my $stat; | |
741 | eval { | |
742 | $stat = PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "query-migrate"); | |
743 | }; | |
744 | if (my $err = $@) { | |
745 | $err_count++; | |
746 | warn "query migrate failed: $err\n"; | |
f34d1466 | 747 | $self->log('info', "query migrate failed: $err"); |
b0b756c1 DM |
748 | if ($err_count <= 5) { |
749 | usleep(1000000); | |
750 | next; | |
751 | } | |
752 | die "too many query migrate failures - aborting\n"; | |
753 | } | |
985a5f48 | 754 | |
f34d1466 | 755 | if (defined($stat->{status}) && $stat->{status} =~ m/^(setup)$/im) { |
985a5f48 AD |
756 | sleep(1); |
757 | next; | |
758 | } | |
759 | ||
f34d1466 | 760 | if (defined($stat->{status}) && $stat->{status} =~ m/^(active|completed|failed|cancelled)$/im) { |
d68afb26 | 761 | $merr = undef; |
b0b756c1 | 762 | $err_count = 0; |
5a7835f5 | 763 | if ($stat->{status} eq 'completed') { |
1e3baf05 DM |
764 | my $delay = time() - $start; |
765 | if ($delay > 0) { | |
171ed95c | 766 | my $mbps = sprintf "%.2f", $memory / $delay; |
135007c0 AD |
767 | my $downtime = $stat->{downtime} || 0; |
768 | $self->log('info', "migration speed: $mbps MB/s - downtime $downtime ms"); | |
1e3baf05 DM |
769 | } |
770 | } | |
f5eb281a | 771 | |
5a7835f5 | 772 | if ($stat->{status} eq 'failed' || $stat->{status} eq 'cancelled') { |
f34d1466 | 773 | $self->log('info', "migration status error: $stat->{status}"); |
1e3baf05 DM |
774 | die "aborting\n" |
775 | } | |
776 | ||
a05b47a8 DM |
777 | if ($stat->{status} ne 'active') { |
778 | $self->log('info', "migration status: $stat->{status}"); | |
779 | last; | |
780 | } | |
781 | ||
782 | if ($stat->{ram}->{transferred} ne $lstat) { | |
783 | my $trans = $stat->{ram}->{transferred} || 0; | |
784 | my $rem = $stat->{ram}->{remaining} || 0; | |
785 | my $total = $stat->{ram}->{total} || 0; | |
e18b0b99 AD |
786 | my $xbzrlecachesize = $stat->{"xbzrle-cache"}->{"cache-size"} || 0; |
787 | my $xbzrlebytes = $stat->{"xbzrle-cache"}->{"bytes"} || 0; | |
788 | my $xbzrlepages = $stat->{"xbzrle-cache"}->{"pages"} || 0; | |
789 | my $xbzrlecachemiss = $stat->{"xbzrle-cache"}->{"cache-miss"} || 0; | |
790 | my $xbzrleoverflow = $stat->{"xbzrle-cache"}->{"overflow"} || 0; | |
4305207d FG |
791 | # reduce sleep if remainig memory is lower than the average transfer speed |
792 | $usleep = 100000 if $avglstat && $rem < $avglstat; | |
a05b47a8 DM |
793 | |
794 | $self->log('info', "migration status: $stat->{status} (transferred ${trans}, " . | |
0302101c | 795 | "remaining ${rem}), total ${total})"); |
e18b0b99 | 796 | |
2e787b18 SP |
797 | if (${xbzrlecachesize}) { |
798 | $self->log('info', "migration xbzrle cachesize: ${xbzrlecachesize} transferred ${xbzrlebytes} pages ${xbzrlepages} cachemiss ${xbzrlecachemiss} overflow ${xbzrleoverflow}"); | |
799 | } | |
800 | ||
865ef132 SP |
801 | if (($lastrem && $rem > $lastrem ) || ($rem == 0)) { |
802 | $downtimecounter++; | |
803 | } | |
804 | $lastrem = $rem; | |
805 | ||
806 | if ($downtimecounter > 5) { | |
807 | $downtimecounter = 0; | |
808 | $migrate_downtime *= 2; | |
809 | $self->log('info', "migrate_set_downtime: $migrate_downtime"); | |
810 | eval { | |
811 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_set_downtime", value => int($migrate_downtime*100)/100); | |
812 | }; | |
813 | $self->log('info', "migrate_set_downtime error: $@") if $@; | |
814 | } | |
815 | ||
a05b47a8 DM |
816 | } |
817 | ||
865ef132 | 818 | |
a05b47a8 | 819 | $lstat = $stat->{ram}->{transferred}; |
e52bd94c | 820 | |
1e3baf05 | 821 | } else { |
d68afb26 | 822 | die $merr if $merr; |
5a7835f5 | 823 | die "unable to parse migration status '$stat->{status}' - aborting\n"; |
1e3baf05 | 824 | } |
a05b47a8 | 825 | } |
1e3baf05 | 826 | } |
16e903f2 | 827 | |
c04b5b04 AD |
828 | sub phase2_cleanup { |
829 | my ($self, $vmid, $err) = @_; | |
830 | ||
af30308f DM |
831 | return if !$self->{errors}; |
832 | $self->{phase2errors} = 1; | |
833 | ||
c04b5b04 AD |
834 | $self->log('info', "aborting phase 2 - cleanup resources"); |
835 | ||
19168b91 SP |
836 | $self->log('info', "migrate_cancel"); |
837 | eval { | |
838 | PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_cancel"); | |
839 | }; | |
840 | $self->log('info', "migrate_cancel error: $@") if $@; | |
841 | ||
c04b5b04 AD |
842 | my $conf = $self->{vmconf}; |
843 | delete $conf->{lock}; | |
ffda963f | 844 | eval { PVE::QemuConfig->write_config($vmid, $conf) }; |
c04b5b04 AD |
845 | if (my $err = $@) { |
846 | $self->log('err', $err); | |
847 | } | |
848 | ||
af30308f | 849 | # cleanup ressources on target host |
3b4cf0f0 | 850 | if ($self->{storage_migration}) { |
b74cad8a AD |
851 | |
852 | eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $self->{storage_migration_jobs}) }; | |
853 | if (my $err = $@) { | |
854 | $self->log('err', $err); | |
855 | } | |
856 | ||
857 | eval { PVE::QemuMigrate::cleanup_remotedisks($self) }; | |
858 | if (my $err = $@) { | |
859 | $self->log('err', $err); | |
860 | } | |
861 | } | |
862 | ||
af30308f DM |
863 | my $nodename = PVE::INotify::nodename(); |
864 | ||
865 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'stop', $vmid, '--skiplock', '--migratedfrom', $nodename]; | |
866 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
867 | if (my $err = $@) { | |
868 | $self->log('err', $err); | |
869 | $self->{errors} = 1; | |
870 | } | |
386c6ba7 WL |
871 | |
872 | if ($self->{tunnel}) { | |
873 | eval { finish_tunnel($self, $self->{tunnel}); }; | |
874 | if (my $err = $@) { | |
875 | $self->log('err', $err); | |
876 | $self->{errors} = 1; | |
877 | } | |
878 | } | |
c04b5b04 AD |
879 | } |
880 | ||
16e903f2 DM |
881 | sub phase3 { |
882 | my ($self, $vmid) = @_; | |
f5eb281a | 883 | |
16e903f2 | 884 | my $volids = $self->{volumes}; |
af30308f | 885 | return if $self->{phase2errors}; |
16e903f2 DM |
886 | |
887 | # destroy local copies | |
888 | foreach my $volid (@$volids) { | |
46883f80 DM |
889 | eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); }; |
890 | if (my $err = $@) { | |
891 | $self->log('err', "removing local copy of '$volid' failed - $err"); | |
892 | $self->{errors} = 1; | |
893 | last if $err =~ /^interrupted by signal$/; | |
16e903f2 DM |
894 | } |
895 | } | |
16e903f2 DM |
896 | } |
897 | ||
898 | sub phase3_cleanup { | |
899 | my ($self, $vmid, $err) = @_; | |
900 | ||
901 | my $conf = $self->{vmconf}; | |
af30308f | 902 | return if $self->{phase2errors}; |
16e903f2 | 903 | |
1d5aaa1d FG |
904 | my $tunnel = $self->{tunnel}; |
905 | ||
b74cad8a | 906 | if ($self->{storage_migration}) { |
3b4cf0f0 WB |
907 | # finish block-job |
908 | eval { PVE::QemuServer::qemu_drive_mirror_monitor($vmid, undef, $self->{storage_migration_jobs}); }; | |
b74cad8a AD |
909 | |
910 | if (my $err = $@) { | |
911 | eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $self->{storage_migration_jobs}) }; | |
912 | eval { PVE::QemuMigrate::cleanup_remotedisks($self) }; | |
913 | die "Failed to completed storage migration\n"; | |
914 | } else { | |
b74cad8a AD |
915 | foreach my $target_drive (keys %{$self->{target_drive}}) { |
916 | my $drive = PVE::QemuServer::parse_drive($target_drive, $self->{target_drive}->{$target_drive}->{volid}); | |
917 | $conf->{$target_drive} = PVE::QemuServer::print_drive($vmid, $drive); | |
918 | PVE::QemuConfig->write_config($vmid, $conf); | |
919 | } | |
920 | } | |
921 | } | |
922 | ||
dbc9420b | 923 | # transfer replication state before move config |
4bdd20ab | 924 | $self->transfer_replication_state() if $self->{replicated_volumes}; |
dbc9420b | 925 | |
b8d20802 | 926 | # move config to remote node |
ffda963f FG |
927 | my $conffile = PVE::QemuConfig->config_file($vmid); |
928 | my $newconffile = PVE::QemuConfig->config_file($vmid, $self->{node}); | |
b8d20802 AD |
929 | |
930 | die "Failed to move config to node '$self->{node}' - rename failed: $!\n" | |
931 | if !rename($conffile, $newconffile); | |
932 | ||
4bdd20ab | 933 | $self->switch_replication_job_target() if $self->{replicated_volumes}; |
dbc9420b | 934 | |
5bc1e039 | 935 | if ($self->{livemigration}) { |
504105c6 FG |
936 | if ($self->{storage_migration}) { |
937 | # stop nbd server on remote vm - requirement for resume since 2.9 | |
938 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'nbdstop', $vmid]; | |
939 | ||
940 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
941 | if (my $err = $@) { | |
942 | $self->log('err', $err); | |
943 | $self->{errors} = 1; | |
944 | } | |
945 | } | |
1d5aaa1d | 946 | |
877e2ea7 | 947 | # config moved and nbd server stopped - now we can resume vm on target |
1d5aaa1d FG |
948 | if ($tunnel && $tunnel->{version} && $tunnel->{version} >= 1) { |
949 | eval { | |
950 | $self->write_tunnel($tunnel, 30, "resume $vmid"); | |
951 | }; | |
952 | if (my $err = $@) { | |
953 | $self->log('err', $err); | |
954 | $self->{errors} = 1; | |
955 | } | |
956 | } else { | |
957 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'resume', $vmid, '--skiplock', '--nocheck']; | |
958 | my $logf = sub { | |
959 | my $line = shift; | |
960 | $self->log('err', $line); | |
961 | }; | |
962 | eval { PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => $logf); }; | |
963 | if (my $err = $@) { | |
964 | $self->log('err', $err); | |
965 | $self->{errors} = 1; | |
966 | } | |
b67900f1 | 967 | } |
ca662131 SI |
968 | |
969 | if ($self->{storage_migration} && PVE::QemuServer::parse_guest_agent($conf)->{fstrim_cloned_disks} && $self->{running}) { | |
970 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'guest', 'cmd', $vmid, 'fstrim']; | |
971 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
972 | } | |
b67900f1 AD |
973 | } |
974 | ||
2e7fee87 FG |
975 | # close tunnel on successful migration, on error phase2_cleanup closed it |
976 | if ($tunnel) { | |
977 | eval { finish_tunnel($self, $tunnel); }; | |
978 | if (my $err = $@) { | |
979 | $self->log('err', $err); | |
980 | $self->{errors} = 1; | |
981 | } | |
982 | } | |
983 | ||
fd8469f7 | 984 | eval { |
fd8469f7 AD |
985 | my $timer = 0; |
986 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga}) && $self->{running}) { | |
987 | $self->log('info', "Waiting for spice server migration"); | |
988 | while (1) { | |
989 | my $res = PVE::QemuServer::vm_mon_cmd_nocheck($vmid, 'query-spice'); | |
990 | last if int($res->{'migrated'}) == 1; | |
991 | last if $timer > 50; | |
992 | $timer ++; | |
993 | usleep(200000); | |
994 | } | |
995 | } | |
996 | }; | |
95a4b4a9 | 997 | |
16e903f2 DM |
998 | # always stop local VM |
999 | eval { PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, 1, 1); }; | |
1000 | if (my $err = $@) { | |
1001 | $self->log('err', "stopping vm failed - $err"); | |
1002 | $self->{errors} = 1; | |
1003 | } | |
1004 | ||
1005 | # always deactivate volumes - avoid lvm LVs to be active on several nodes | |
1006 | eval { | |
1007 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); | |
1008 | PVE::Storage::deactivate_volumes($self->{storecfg}, $vollist); | |
1009 | }; | |
1010 | if (my $err = $@) { | |
1011 | $self->log('err', $err); | |
1012 | $self->{errors} = 1; | |
1013 | } | |
1014 | ||
b74cad8a AD |
1015 | if($self->{storage_migration}) { |
1016 | # destroy local copies | |
1017 | my $volids = $self->{online_local_volumes}; | |
1018 | ||
1019 | foreach my $volid (@$volids) { | |
1020 | eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); }; | |
1021 | if (my $err = $@) { | |
1022 | $self->log('err', "removing local copy of '$volid' failed - $err"); | |
1023 | $self->{errors} = 1; | |
1024 | last if $err =~ /^interrupted by signal$/; | |
1025 | } | |
1026 | } | |
1027 | ||
b74cad8a AD |
1028 | } |
1029 | ||
16e903f2 DM |
1030 | # clear migrate lock |
1031 | my $cmd = [ @{$self->{rem_ssh}}, 'qm', 'unlock', $vmid ]; | |
1032 | $self->cmd_logerr($cmd, errmsg => "failed to clear migrate lock"); | |
1033 | } | |
1034 | ||
1035 | sub final_cleanup { | |
1036 | my ($self, $vmid) = @_; | |
1037 | ||
1038 | # nothing to do | |
1039 | } | |
1040 | ||
50d8dd5d AD |
1041 | sub round_powerof2 { |
1042 | return 1 if $_[0] < 2; | |
1043 | return 2 << int(log($_[0]-1)/log(2)); | |
1044 | } | |
1045 | ||
16e903f2 | 1046 | 1; |