]>
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; |
e0fd2b2f | 14 | use PVE::QemuServer::Drive; |
28e6e180 | 15 | use PVE::QemuServer::Helpers qw(min_version); |
3392d6ca | 16 | use PVE::QemuServer::Machine; |
0a13e08e | 17 | use PVE::QemuServer::Monitor qw(mon_cmd); |
e52bd94c | 18 | use Time::HiRes qw( usleep ); |
95a4b4a9 | 19 | use PVE::RPCEnvironment; |
dbc9420b DM |
20 | use PVE::ReplicationConfig; |
21 | use PVE::ReplicationState; | |
54d10ab1 | 22 | use PVE::Replication; |
1e3baf05 | 23 | |
16e903f2 | 24 | use base qw(PVE::AbstractMigrate); |
1e3baf05 | 25 | |
1ef75254 | 26 | sub fork_command_pipe { |
46a84fd4 | 27 | my ($self, $cmd) = @_; |
19672434 | 28 | |
1ef75254 DM |
29 | my $reader = IO::File->new(); |
30 | my $writer = IO::File->new(); | |
31 | ||
32 | my $orig_pid = $$; | |
33 | ||
34 | my $cpid; | |
35 | ||
36 | eval { $cpid = open2($reader, $writer, @$cmd); }; | |
37 | ||
38 | my $err = $@; | |
39 | ||
40 | # catch exec errors | |
41 | if ($orig_pid != $$) { | |
46a84fd4 | 42 | $self->log('err', "can't fork command pipe\n"); |
19672434 DM |
43 | POSIX::_exit(1); |
44 | kill('KILL', $$); | |
1ef75254 DM |
45 | } |
46 | ||
47 | die $err if $err; | |
48 | ||
49 | return { writer => $writer, reader => $reader, pid => $cpid }; | |
50 | } | |
51 | ||
19672434 | 52 | sub finish_command_pipe { |
97439670 | 53 | my ($self, $cmdpipe, $timeout) = @_; |
1ef75254 | 54 | |
61b04c6d TL |
55 | my $cpid = $cmdpipe->{pid}; |
56 | return if !defined($cpid); | |
57 | ||
1ef75254 DM |
58 | my $writer = $cmdpipe->{writer}; |
59 | my $reader = $cmdpipe->{reader}; | |
60 | ||
61 | $writer->close(); | |
62 | $reader->close(); | |
63 | ||
61b04c6d TL |
64 | my $collect_child_process = sub { |
65 | my $res = waitpid($cpid, WNOHANG); | |
66 | if (defined($res) && ($res == $cpid)) { | |
67 | delete $cmdpipe->{cpid}; | |
68 | return 1; | |
69 | } else { | |
70 | return 0; | |
71 | } | |
72 | }; | |
1ef75254 | 73 | |
97439670 DM |
74 | if ($timeout) { |
75 | for (my $i = 0; $i < $timeout; $i++) { | |
61b04c6d | 76 | return if &$collect_child_process(); |
97439670 DM |
77 | sleep(1); |
78 | } | |
79 | } | |
80 | ||
81 | $self->log('info', "ssh tunnel still running - terminating now with SIGTERM\n"); | |
82 | kill(15, $cpid); | |
1ef75254 | 83 | |
97439670 DM |
84 | # wait again |
85 | for (my $i = 0; $i < 10; $i++) { | |
61b04c6d | 86 | return if &$collect_child_process(); |
97439670 DM |
87 | sleep(1); |
88 | } | |
89 | ||
90 | $self->log('info', "ssh tunnel still running - terminating now with SIGKILL\n"); | |
91 | kill 9, $cpid; | |
92 | sleep 1; | |
61b04c6d TL |
93 | |
94 | $self->log('err', "ssh tunnel child process (PID $cpid) couldn't be collected\n") | |
95 | if !&$collect_child_process(); | |
1ef75254 DM |
96 | } |
97 | ||
e0eb1f76 FG |
98 | sub read_tunnel { |
99 | my ($self, $tunnel, $timeout) = @_; | |
100 | ||
101 | $timeout = 60 if !defined($timeout); | |
102 | ||
103 | my $reader = $tunnel->{reader}; | |
104 | ||
105 | my $output; | |
106 | eval { | |
107 | PVE::Tools::run_with_timeout($timeout, sub { $output = <$reader>; }); | |
108 | }; | |
109 | die "reading from tunnel failed: $@\n" if $@; | |
110 | ||
111 | chomp $output; | |
112 | ||
113 | return $output; | |
114 | } | |
115 | ||
116 | sub write_tunnel { | |
117 | my ($self, $tunnel, $timeout, $command) = @_; | |
118 | ||
119 | $timeout = 60 if !defined($timeout); | |
120 | ||
121 | my $writer = $tunnel->{writer}; | |
122 | ||
123 | eval { | |
124 | PVE::Tools::run_with_timeout($timeout, sub { | |
125 | print $writer "$command\n"; | |
126 | $writer->flush(); | |
127 | }); | |
128 | }; | |
129 | die "writing to tunnel failed: $@\n" if $@; | |
bcb51ae8 FG |
130 | |
131 | if ($tunnel->{version} && $tunnel->{version} >= 1) { | |
132 | my $res = eval { $self->read_tunnel($tunnel, 10); }; | |
133 | die "no reply to command '$command': $@\n" if $@; | |
134 | ||
135 | if ($res eq 'OK') { | |
136 | return; | |
137 | } else { | |
138 | die "tunnel replied '$res' to command '$command'\n"; | |
139 | } | |
140 | } | |
e0eb1f76 FG |
141 | } |
142 | ||
1e3baf05 | 143 | sub fork_tunnel { |
1c9d54bf | 144 | my ($self, $tunnel_addr) = @_; |
1e3baf05 | 145 | |
7827de41 ML |
146 | my @localtunnelinfo = (); |
147 | foreach my $addr (@$tunnel_addr) { | |
148 | push @localtunnelinfo, '-L', $addr; | |
149 | } | |
5bc1e039 | 150 | |
d7b1b24b | 151 | my $cmd = [@{$self->{rem_ssh}}, '-o ExitOnForwardFailure=yes', @localtunnelinfo, '/usr/sbin/qm', 'mtunnel' ]; |
19672434 | 152 | |
46a84fd4 | 153 | my $tunnel = $self->fork_command_pipe($cmd); |
1e3baf05 | 154 | |
19672434 | 155 | eval { |
e0eb1f76 | 156 | my $helo = $self->read_tunnel($tunnel, 60); |
1e3baf05 | 157 | die "no reply\n" if !$helo; |
1ef75254 | 158 | die "no quorum on target node\n" if $helo =~ m/^no quorum$/; |
19672434 | 159 | die "got strange reply from mtunnel ('$helo')\n" |
1e3baf05 DM |
160 | if $helo !~ m/^tunnel online$/; |
161 | }; | |
162 | my $err = $@; | |
163 | ||
58cbe639 FG |
164 | eval { |
165 | my $ver = $self->read_tunnel($tunnel, 10); | |
166 | if ($ver =~ /^ver (\d+)$/) { | |
167 | $tunnel->{version} = $1; | |
168 | $self->log('info', "ssh tunnel $ver\n"); | |
169 | } else { | |
170 | $err = "received invalid tunnel version string '$ver'\n" if !$err; | |
171 | } | |
172 | }; | |
173 | ||
1e3baf05 | 174 | if ($err) { |
46a84fd4 | 175 | $self->finish_command_pipe($tunnel); |
1e3baf05 DM |
176 | die "can't open migration tunnel - $err"; |
177 | } | |
178 | return $tunnel; | |
179 | } | |
180 | ||
19672434 | 181 | sub finish_tunnel { |
16e903f2 | 182 | my ($self, $tunnel) = @_; |
1e3baf05 | 183 | |
e0eb1f76 | 184 | eval { $self->write_tunnel($tunnel, 30, 'quit'); }; |
1e3baf05 | 185 | my $err = $@; |
19672434 | 186 | |
97439670 | 187 | $self->finish_command_pipe($tunnel, 30); |
19672434 | 188 | |
1c9d54bf TL |
189 | if ($tunnel->{sock_addr}) { |
190 | # ssh does not clean up on local host | |
7827de41 | 191 | my $cmd = ['rm', '-f', @{$tunnel->{sock_addr}}]; # |
1c9d54bf TL |
192 | PVE::Tools::run_command($cmd); |
193 | ||
194 | # .. and just to be sure check on remote side | |
195 | unshift @{$cmd}, @{$self->{rem_ssh}}; | |
196 | PVE::Tools::run_command($cmd); | |
197 | } | |
198 | ||
1e3baf05 DM |
199 | die $err if $err; |
200 | } | |
201 | ||
16e903f2 DM |
202 | sub lock_vm { |
203 | my ($self, $vmid, $code, @param) = @_; | |
f5eb281a | 204 | |
ffda963f | 205 | return PVE::QemuConfig->lock_config($vmid, $code, @param); |
16e903f2 | 206 | } |
ff1a2432 | 207 | |
16e903f2 DM |
208 | sub prepare { |
209 | my ($self, $vmid) = @_; | |
ff1a2432 | 210 | |
16e903f2 | 211 | my $online = $self->{opts}->{online}; |
3ea94c60 | 212 | |
16e903f2 | 213 | $self->{storecfg} = PVE::Storage::config(); |
3ea94c60 | 214 | |
e1fc368d | 215 | # test if VM exists |
ffda963f | 216 | my $conf = $self->{vmconf} = PVE::QemuConfig->load_config($vmid); |
3ea94c60 | 217 | |
ffda963f | 218 | PVE::QemuConfig->check_lock($conf); |
3ea94c60 | 219 | |
16e903f2 DM |
220 | my $running = 0; |
221 | if (my $pid = PVE::QemuServer::check_running($vmid)) { | |
b6adff33 | 222 | die "can't migrate running VM without --online\n" if !$online; |
16e903f2 | 223 | $running = $pid; |
42dbd2ee | 224 | |
3392d6ca | 225 | $self->{forcemachine} = PVE::QemuServer::Machine::qemu_machine_pxe($vmid, $conf); |
7bac824e | 226 | |
3ea94c60 | 227 | } |
ca6abacf TM |
228 | my $loc_res = PVE::QemuServer::check_local_resources($conf, 1); |
229 | if (scalar @$loc_res) { | |
16e903f2 | 230 | if ($self->{running} || !$self->{opts}->{force}) { |
ca6abacf | 231 | die "can't migrate VM which uses local devices: " . join(", ", @$loc_res) . "\n"; |
16e903f2 DM |
232 | } else { |
233 | $self->log('info', "migrating VM which uses local devices"); | |
234 | } | |
3ea94c60 DM |
235 | } |
236 | ||
ff1a2432 | 237 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); |
16e903f2 | 238 | |
73f5ee92 | 239 | my $need_activate = []; |
29701766 FG |
240 | foreach my $volid (@$vollist) { |
241 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1); | |
242 | ||
243 | # check if storage is available on both nodes | |
8c58b12d | 244 | my $targetsid = $self->{opts}->{targetstorage} // $sid; |
b74cad8a | 245 | |
29701766 | 246 | my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $sid); |
b74cad8a | 247 | PVE::Storage::storage_check_node($self->{storecfg}, $targetsid, $self->{node}); |
73f5ee92 FG |
248 | |
249 | if ($scfg->{shared}) { | |
250 | # PVE::Storage::activate_storage checks this for non-shared storages | |
251 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
252 | warn "Used shared storage '$sid' is not online on source node!\n" | |
253 | if !$plugin->check_connection($sid, $scfg); | |
254 | } else { | |
255 | # only activate if not shared | |
9e93a63f | 256 | next if ($volid =~ m/vm-\d+-cloudinit/); |
73f5ee92 FG |
257 | push @$need_activate, $volid; |
258 | } | |
29701766 | 259 | } |
3ea94c60 | 260 | |
73f5ee92 FG |
261 | # activate volumes |
262 | PVE::Storage::activate_volumes($self->{storecfg}, $need_activate); | |
263 | ||
3ea94c60 | 264 | # test ssh connection |
16e903f2 DM |
265 | my $cmd = [ @{$self->{rem_ssh}}, '/bin/true' ]; |
266 | eval { $self->cmd_quiet($cmd); }; | |
3ea94c60 | 267 | die "Can't connect to destination address using public key\n" if $@; |
ff1a2432 | 268 | |
16e903f2 | 269 | return $running; |
3ea94c60 DM |
270 | } |
271 | ||
272 | sub sync_disks { | |
16e903f2 DM |
273 | my ($self, $vmid) = @_; |
274 | ||
16e903f2 DM |
275 | my $conf = $self->{vmconf}; |
276 | ||
dabf2473 | 277 | # local volumes which have been copied |
16e903f2 | 278 | $self->{volumes} = []; |
3ea94c60 | 279 | |
8c58b12d WB |
280 | my $override_targetsid = $self->{opts}->{targetstorage}; |
281 | ||
3ea94c60 DM |
282 | eval { |
283 | ||
dabf2473 FG |
284 | # found local volumes and their origin |
285 | my $local_volumes = {}; | |
5bf7f0f1 FG |
286 | my $local_volumes_errors = {}; |
287 | my $other_errors = []; | |
288 | my $abort = 0; | |
3ea94c60 | 289 | |
5bf7f0f1 FG |
290 | my $log_error = sub { |
291 | my ($msg, $volid) = @_; | |
292 | ||
293 | if (defined($volid)) { | |
294 | $local_volumes_errors->{$volid} = $msg; | |
295 | } else { | |
296 | push @$other_errors, $msg; | |
297 | } | |
298 | $abort = 1; | |
299 | }; | |
300 | ||
522c8f97 | 301 | my @sids = PVE::Storage::storage_ids($self->{storecfg}); |
86638cc2 | 302 | foreach my $storeid (@sids) { |
522c8f97 | 303 | my $scfg = PVE::Storage::storage_config($self->{storecfg}, $storeid); |
86638cc2 | 304 | next if $scfg->{shared}; |
373ea579 DM |
305 | next if !PVE::Storage::storage_check_enabled($self->{storecfg}, $storeid, undef, 1); |
306 | ||
86638cc2 FG |
307 | # get list from PVE::Storage (for unused volumes) |
308 | my $dl = PVE::Storage::vdisk_list($self->{storecfg}, $storeid, $vmid); | |
89719f98 FG |
309 | |
310 | next if @{$dl->{$storeid}} == 0; | |
311 | ||
8c58b12d | 312 | my $targetsid = $override_targetsid // $storeid; |
d80ad67f | 313 | |
86638cc2 | 314 | # check if storage is available on target node |
d80ad67f | 315 | PVE::Storage::storage_check_node($self->{storecfg}, $targetsid, $self->{node}); |
89719f98 | 316 | |
86638cc2 | 317 | PVE::Storage::foreach_volid($dl, sub { |
5eca0c36 | 318 | my ($volid, $sid, $volinfo) = @_; |
80b2cbd1 | 319 | |
6f58fce9 | 320 | $local_volumes->{$volid}->{ref} = 'storage'; |
5eca0c36 FE |
321 | |
322 | # If with_snapshots is not set for storage migrate, it tries to use | |
323 | # a raw+size stream, but on-the-fly conversion from qcow2 to raw+size | |
324 | # back to qcow2 is currently not possible. | |
325 | $local_volumes->{$volid}->{snapshots} = ($volinfo->{format} =~ /^(?:qcow2|vmdk)$/); | |
0ad295f9 | 326 | $local_volumes->{$volid}->{format} = $volinfo->{format}; |
86638cc2 FG |
327 | }); |
328 | } | |
3ea94c60 | 329 | |
b9f44d27 FG |
330 | my $replicatable_volumes = PVE::QemuConfig->get_replicatable_volumes($self->{storecfg}, $self->{vmid}, $conf); |
331 | ||
3629c19d | 332 | my $test_volid = sub { |
aee6abe5 | 333 | my ($volid, $attr) = @_; |
3ea94c60 | 334 | |
5bf7f0f1 | 335 | if ($volid =~ m|^/|) { |
ec82e3ee | 336 | return if $attr->{shared}; |
6f58fce9 | 337 | $local_volumes->{$volid}->{ref} = 'config'; |
5bf7f0f1 FG |
338 | die "local file/device\n"; |
339 | } | |
3ea94c60 | 340 | |
aee6abe5 DM |
341 | my $snaprefs = $attr->{referenced_in_snapshot}; |
342 | ||
343 | if ($attr->{cdrom}) { | |
5bf7f0f1 FG |
344 | if ($volid eq 'cdrom') { |
345 | my $msg = "can't migrate local cdrom drive"; | |
5009a8c7 | 346 | if (defined($snaprefs) && !$attr->{referenced_in_config}) { |
aee6abe5 | 347 | my $snapnames = join(', ', sort keys %$snaprefs); |
5009a8c7 | 348 | $msg .= " (referenced in snapshot - $snapnames)"; |
aee6abe5 | 349 | } |
5bf7f0f1 FG |
350 | &$log_error("$msg\n"); |
351 | return; | |
352 | } | |
3ea94c60 | 353 | return if $volid eq 'none'; |
3ea94c60 DM |
354 | } |
355 | ||
356 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
357 | ||
8c58b12d | 358 | my $targetsid = $override_targetsid // $sid; |
16e903f2 DM |
359 | # check if storage is available on both nodes |
360 | my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $sid); | |
d80ad67f | 361 | PVE::Storage::storage_check_node($self->{storecfg}, $targetsid, $self->{node}); |
3ea94c60 DM |
362 | |
363 | return if $scfg->{shared}; | |
364 | ||
6f58fce9 | 365 | $local_volumes->{$volid}->{ref} = $attr->{referenced_in_config} ? 'config' : 'snapshot'; |
d62fcf74 | 366 | |
9e93a63f ML |
367 | if ($attr->{cdrom}) { |
368 | if ($volid =~ /vm-\d+-cloudinit/) { | |
369 | $local_volumes->{$volid}->{ref} = 'generated'; | |
370 | return; | |
371 | } | |
372 | die "local cdrom image\n"; | |
373 | } | |
3629c19d | 374 | |
16e903f2 | 375 | my ($path, $owner) = PVE::Storage::path($self->{storecfg}, $volid); |
3ea94c60 | 376 | |
5bf7f0f1 | 377 | die "owned by other VM (owner = VM $owner)\n" |
16e903f2 | 378 | if !$owner || ($owner != $self->{vmid}); |
3ea94c60 | 379 | |
aee6abe5 | 380 | if (defined($snaprefs)) { |
5eca0c36 FE |
381 | $local_volumes->{$volid}->{snapshots} = 1; |
382 | ||
3629c19d DM |
383 | # we cannot migrate shapshots on local storage |
384 | # exceptions: 'zfspool' or 'qcow2' files (on directory storage) | |
385 | ||
b74cad8a | 386 | die "online storage migration not possible if snapshot exists\n" if $self->{running}; |
0ad295f9 | 387 | if (!($scfg->{type} eq 'zfspool' || $local_volumes->{$volid}->{format} eq 'qcow2')) { |
5bf7f0f1 | 388 | die "non-migratable snapshot exists\n"; |
3629c19d | 389 | } |
3629c19d | 390 | } |
3a7bc9e2 FG |
391 | |
392 | die "referenced by linked clone(s)\n" | |
393 | if PVE::Storage::volume_is_base_and_used($self->{storecfg}, $volid); | |
3629c19d DM |
394 | }; |
395 | ||
aee6abe5 DM |
396 | PVE::QemuServer::foreach_volid($conf, sub { |
397 | my ($volid, $attr) = @_; | |
398 | eval { $test_volid->($volid, $attr); }; | |
399 | if (my $err = $@) { | |
400 | &$log_error($err, $volid); | |
401 | } | |
402 | }); | |
3ea94c60 | 403 | |
dabf2473 | 404 | foreach my $vol (sort keys %$local_volumes) { |
b9f44d27 | 405 | my $type = $replicatable_volumes->{$vol} ? 'local, replicated' : 'local'; |
6f58fce9 WB |
406 | my $ref = $local_volumes->{$vol}->{ref}; |
407 | if ($ref eq 'storage') { | |
b9f44d27 | 408 | $self->log('info', "found $type disk '$vol' (via storage)\n"); |
6f58fce9 | 409 | } elsif ($ref eq 'config') { |
dbc9420b DM |
410 | &$log_error("can't live migrate attached local disks without with-local-disks option\n", $vol) |
411 | if $self->{running} && !$self->{opts}->{"with-local-disks"}; | |
b9f44d27 | 412 | $self->log('info', "found $type disk '$vol' (in current VM config)\n"); |
6f58fce9 | 413 | } elsif ($ref eq 'snapshot') { |
b9f44d27 | 414 | $self->log('info', "found $type disk '$vol' (referenced by snapshot(s))\n"); |
9e93a63f ML |
415 | } elsif ($ref eq 'generated') { |
416 | $self->log('info', "found generated disk '$vol' (in current VM config)\n"); | |
d62fcf74 | 417 | } else { |
b9f44d27 | 418 | $self->log('info', "found $type disk '$vol'\n"); |
d62fcf74 FG |
419 | } |
420 | } | |
421 | ||
5bf7f0f1 FG |
422 | foreach my $vol (sort keys %$local_volumes_errors) { |
423 | $self->log('warn', "can't migrate local disk '$vol': $local_volumes_errors->{$vol}"); | |
424 | } | |
425 | foreach my $err (@$other_errors) { | |
426 | $self->log('warn', "$err"); | |
427 | } | |
428 | ||
5bf7f0f1 FG |
429 | if ($abort) { |
430 | die "can't migrate VM - check log\n"; | |
431 | } | |
432 | ||
c4d2d6c1 | 433 | # additional checks for local storage |
dabf2473 | 434 | foreach my $volid (keys %$local_volumes) { |
3ea94c60 | 435 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); |
16e903f2 | 436 | my $scfg = PVE::Storage::storage_config($self->{storecfg}, $sid); |
3ea94c60 | 437 | |
dad06e20 | 438 | my $migratable = $scfg->{type} =~ /^(?:dir|zfspool|lvmthin|lvm)$/; |
c4d2d6c1 | 439 | |
37a6dc78 | 440 | die "can't migrate '$volid' - storage type '$scfg->{type}' not supported\n" |
c4d2d6c1 | 441 | if !$migratable; |
d5604092 | 442 | |
c4d2d6c1 WL |
443 | # image is a linked clone on local storage, se we can't migrate. |
444 | if (my $basename = (PVE::Storage::parse_volname($self->{storecfg}, $volid))[3]) { | |
445 | die "can't migrate '$volid' as it's a clone of '$basename'"; | |
d5604092 | 446 | } |
3ea94c60 DM |
447 | } |
448 | ||
dbc9420b | 449 | my $rep_cfg = PVE::ReplicationConfig->new(); |
dbc9420b | 450 | if (my $jobcfg = $rep_cfg->find_local_replication_job($vmid, $self->{node})) { |
9b6efe43 | 451 | if ($self->{running}) { |
28e6e180 TL |
452 | |
453 | my $version = PVE::QemuServer::kvm_user_version(); | |
454 | if (!min_version($version, 4, 2)) { | |
455 | die "can't live migrate VM with replicated volumes, pve-qemu to old (< 4.2)!\n" | |
456 | } | |
457 | ||
9b6efe43 FG |
458 | my $live_replicatable_volumes = {}; |
459 | PVE::QemuServer::foreach_drive($conf, sub { | |
460 | my ($ds, $drive) = @_; | |
461 | ||
462 | my $volid = $drive->{file}; | |
463 | $live_replicatable_volumes->{$ds} = $volid | |
464 | if defined($replicatable_volumes->{$volid}); | |
465 | }); | |
466 | foreach my $drive (keys %$live_replicatable_volumes) { | |
467 | my $volid = $live_replicatable_volumes->{$drive}; | |
468 | ||
469 | my $bitmap = "repl_$drive"; | |
470 | ||
471 | # start tracking before replication to get full delta + a few duplicates | |
472 | $self->log('info', "$drive: start tracking writes using block-dirty-bitmap '$bitmap'"); | |
473 | mon_cmd($vmid, 'block-dirty-bitmap-add', node => "drive-$drive", name => $bitmap); | |
474 | ||
475 | # other info comes from target node in phase 2 | |
476 | $self->{target_drive}->{$drive}->{bitmap} = $bitmap; | |
477 | } | |
478 | } | |
e85d01f2 | 479 | $self->log('info', "replicating disk images"); |
9b6efe43 | 480 | |
dbc9420b | 481 | my $start_time = time(); |
e85d01f2 TL |
482 | my $logfunc = sub { $self->log('info', shift) }; |
483 | $self->{replicated_volumes} = PVE::Replication::run_replication( | |
dbc9420b DM |
484 | 'PVE::QemuConfig', $jobcfg, $start_time, $start_time, $logfunc); |
485 | } | |
486 | ||
68b108ee SR |
487 | # sizes in config have to be accurate for remote node to correctly |
488 | # allocate disks, rescan to be sure | |
489 | my $volid_hash = PVE::QemuServer::scan_volids($self->{storecfg}, $vmid); | |
490 | PVE::QemuServer::foreach_drive($conf, sub { | |
491 | my ($key, $drive) = @_; | |
e0fd2b2f | 492 | my ($updated, $old_size, $new_size) = PVE::QemuServer::Drive::update_disksize($drive, $volid_hash); |
68b108ee SR |
493 | if (defined($updated)) { |
494 | $conf->{$key} = PVE::QemuServer::print_drive($updated); | |
495 | $self->log('info', "size of disk '$updated->{file}' ($key) updated from $old_size to $new_size\n"); | |
496 | } | |
497 | }); | |
498 | ||
e85d01f2 TL |
499 | $self->log('info', "copying local disk images") if scalar(%$local_volumes); |
500 | ||
dabf2473 | 501 | foreach my $volid (keys %$local_volumes) { |
3ea94c60 | 502 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); |
8c58b12d | 503 | my $targetsid = $override_targetsid // $sid; |
9e93a63f ML |
504 | my $ref = $local_volumes->{$volid}->{ref}; |
505 | if ($self->{running} && $ref eq 'config') { | |
b74cad8a | 506 | push @{$self->{online_local_volumes}}, $volid; |
9e93a63f | 507 | } elsif ($ref eq 'generated') { |
9860fe4e | 508 | die "can't live migrate VM with local cloudinit disk. use a shared storage instead\n" if $self->{running}; |
9e93a63f ML |
509 | # skip all generated volumes but queue them for deletion in phase3_cleanup |
510 | push @{$self->{volumes}}, $volid; | |
511 | next; | |
b74cad8a | 512 | } else { |
e85d01f2 | 513 | next if $self->{replicated_volumes}->{$volid}; |
b74cad8a | 514 | push @{$self->{volumes}}, $volid; |
15a37695 SI |
515 | my $opts = $self->{opts}; |
516 | my $insecure = $opts->{migration_type} eq 'insecure'; | |
6f58fce9 | 517 | my $with_snapshots = $local_volumes->{$volid}->{snapshots}; |
15a37695 | 518 | # use 'migrate' limit for transfer to other node |
29eb909e | 519 | my $bwlimit = PVE::Storage::get_bandwidth_limit('migration', [$targetsid, $sid], $opts->{bwlimit}); |
15a37695 SI |
520 | # JSONSchema and get_bandwidth_limit use kbps - storage_migrate bps |
521 | $bwlimit = $bwlimit * 1024 if defined($bwlimit); | |
522 | ||
d0c67182 | 523 | PVE::Storage::storage_migrate($self->{storecfg}, $volid, $self->{ssh_info}, $targetsid, |
15a37695 | 524 | undef, undef, undef, $bwlimit, $insecure, $with_snapshots); |
b74cad8a | 525 | } |
3ea94c60 DM |
526 | } |
527 | }; | |
528 | die "Failed to sync data - $@" if $@; | |
529 | } | |
530 | ||
b74cad8a AD |
531 | sub cleanup_remotedisks { |
532 | my ($self) = @_; | |
533 | ||
534 | foreach my $target_drive (keys %{$self->{target_drive}}) { | |
9b6efe43 FG |
535 | # don't clean up replicated disks! |
536 | next if defined($self->{target_drive}->{$target_drive}->{bitmap}); | |
b74cad8a | 537 | |
8b02e568 | 538 | my $drive = PVE::QemuServer::parse_drive($target_drive, $self->{target_drive}->{$target_drive}->{drivestr}); |
b74cad8a AD |
539 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($drive->{file}); |
540 | ||
541 | my $cmd = [@{$self->{rem_ssh}}, 'pvesm', 'free', "$storeid:$volname"]; | |
542 | ||
543 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
544 | if (my $err = $@) { | |
545 | $self->log('err', $err); | |
546 | $self->{errors} = 1; | |
547 | } | |
548 | } | |
549 | } | |
550 | ||
9b6efe43 FG |
551 | sub cleanup_bitmaps { |
552 | my ($self) = @_; | |
553 | foreach my $drive (%{$self->{target_drive}}) { | |
554 | my $bitmap = $self->{target_drive}->{$drive}->{bitmap}; | |
555 | next if !$bitmap; | |
556 | $self->log('info', "$drive: removing block-dirty-bitmap '$bitmap'"); | |
557 | mon_cmd($self->{vmid}, 'block-dirty-bitmap-remove', node => "drive-$drive", name => $bitmap); | |
558 | } | |
559 | } | |
560 | ||
1e3baf05 | 561 | sub phase1 { |
16e903f2 | 562 | my ($self, $vmid) = @_; |
1e3baf05 | 563 | |
16e903f2 | 564 | $self->log('info', "starting migration of VM $vmid to node '$self->{node}' ($self->{nodeip})"); |
1e3baf05 | 565 | |
16e903f2 | 566 | my $conf = $self->{vmconf}; |
1e3baf05 DM |
567 | |
568 | # set migrate lock in config file | |
1858638f | 569 | $conf->{lock} = 'migrate'; |
ffda963f | 570 | PVE::QemuConfig->write_config($vmid, $conf); |
1e3baf05 | 571 | |
16e903f2 | 572 | sync_disks($self, $vmid); |
1ef75254 | 573 | |
68b108ee SR |
574 | # sync_disks fixes disk sizes to match their actual size, write changes so |
575 | # target allocates correct volumes | |
576 | PVE::QemuConfig->write_config($vmid, $conf); | |
1e3baf05 DM |
577 | }; |
578 | ||
16e903f2 DM |
579 | sub phase1_cleanup { |
580 | my ($self, $vmid, $err) = @_; | |
581 | ||
582 | $self->log('info', "aborting phase 1 - cleanup resources"); | |
583 | ||
1858638f DM |
584 | my $conf = $self->{vmconf}; |
585 | delete $conf->{lock}; | |
ffda963f | 586 | eval { PVE::QemuConfig->write_config($vmid, $conf) }; |
16e903f2 DM |
587 | if (my $err = $@) { |
588 | $self->log('err', $err); | |
589 | } | |
f5eb281a | 590 | |
16e903f2 DM |
591 | if ($self->{volumes}) { |
592 | foreach my $volid (@{$self->{volumes}}) { | |
593 | $self->log('err', "found stale volume copy '$volid' on node '$self->{node}'"); | |
594 | # fixme: try to remove ? | |
595 | } | |
596 | } | |
9b6efe43 FG |
597 | |
598 | eval { $self->cleanup_bitmaps() }; | |
599 | if (my $err =$@) { | |
600 | $self->log('err', $err); | |
601 | } | |
602 | ||
16e903f2 DM |
603 | } |
604 | ||
1e3baf05 | 605 | sub phase2 { |
16e903f2 | 606 | my ($self, $vmid) = @_; |
1e3baf05 | 607 | |
16e903f2 DM |
608 | my $conf = $self->{vmconf}; |
609 | ||
46a84fd4 | 610 | $self->log('info', "starting VM $vmid on remote node '$self->{node}'"); |
1e3baf05 | 611 | |
5bc1e039 | 612 | my $raddr; |
1e3baf05 | 613 | my $rport; |
1c9d54bf | 614 | my $ruri; # the whole migration dst. URI (protocol:address[:port]) |
7e8dcf2c AD |
615 | my $nodename = PVE::INotify::nodename(); |
616 | ||
19672434 | 617 | ## start on remote node |
95a4b4a9 AD |
618 | my $cmd = [@{$self->{rem_ssh}}]; |
619 | ||
7c14dcae | 620 | my $spice_ticket; |
86b8228b | 621 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
0a13e08e | 622 | my $res = mon_cmd($vmid, 'query-spice'); |
7c14dcae | 623 | $spice_ticket = $res->{ticket}; |
95a4b4a9 AD |
624 | } |
625 | ||
1c9d54bf TL |
626 | push @$cmd , 'qm', 'start', $vmid, '--skiplock', '--migratedfrom', $nodename; |
627 | ||
f1c2a53a | 628 | my $migration_type = $self->{opts}->{migration_type}; |
2de2d6f7 TL |
629 | |
630 | push @$cmd, '--migration_type', $migration_type; | |
631 | ||
632 | push @$cmd, '--migration_network', $self->{opts}->{migration_network} | |
633 | if $self->{opts}->{migration_network}; | |
634 | ||
635 | if ($migration_type eq 'insecure') { | |
1c9d54bf TL |
636 | push @$cmd, '--stateuri', 'tcp'; |
637 | } else { | |
638 | push @$cmd, '--stateuri', 'unix'; | |
639 | } | |
95a4b4a9 | 640 | |
42668529 DM |
641 | if ($self->{forcemachine}) { |
642 | push @$cmd, '--machine', $self->{forcemachine}; | |
643 | } | |
644 | ||
4530494b TL |
645 | if ($self->{online_local_volumes}) { |
646 | push @$cmd, '--targetstorage', ($self->{opts}->{targetstorage} // '1'); | |
b74cad8a AD |
647 | } |
648 | ||
86b8228b | 649 | my $spice_port; |
7827de41 ML |
650 | my $tunnel_addr = []; |
651 | my $sock_addr = []; | |
652 | # version > 0 for unix socket support | |
653 | my $nbd_protocol_version = 1; | |
ff09c795 ML |
654 | # TODO change to 'spice_ticket: <ticket>\n' in 7.0 |
655 | my $input = $spice_ticket ? "$spice_ticket\n" : "\n"; | |
656 | $input .= "nbd_protocol_version: $nbd_protocol_version\n"; | |
86b8228b | 657 | |
7c14dcae DM |
658 | # Note: We try to keep $spice_ticket secret (do not pass via command line parameter) |
659 | # instead we pipe it through STDIN | |
7827de41 | 660 | my $exitcode = PVE::Tools::run_command($cmd, input => $input, outfunc => sub { |
1e3baf05 DM |
661 | my $line = shift; |
662 | ||
407e0b8b | 663 | if ($line =~ m/^migration listens on tcp:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+)$/) { |
5bc1e039 SP |
664 | $raddr = $1; |
665 | $rport = int($2); | |
1c9d54bf TL |
666 | $ruri = "tcp:$raddr:$rport"; |
667 | } | |
668 | elsif ($line =~ m!^migration listens on unix:(/run/qemu-server/(\d+)\.migrate)$!) { | |
669 | $raddr = $1; | |
670 | die "Destination UNIX sockets VMID does not match source VMID" if $vmid ne $2; | |
671 | $ruri = "unix:$raddr"; | |
5bc1e039 SP |
672 | } |
673 | elsif ($line =~ m/^migration listens on port (\d+)$/) { | |
674 | $raddr = "localhost"; | |
86b8228b | 675 | $rport = int($1); |
1c9d54bf | 676 | $ruri = "tcp:$raddr:$rport"; |
5bc1e039 | 677 | } |
f3a483b6 | 678 | elsif ($line =~ m/^spice listens on port (\d+)$/) { |
86b8228b | 679 | $spice_port = int($1); |
1e3baf05 | 680 | } |
769f187d | 681 | elsif ($line =~ m/^storage migration listens on nbd:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+):exportname=(\S+) volume:(\S+)$/) { |
8b02e568 | 682 | my $drivestr = $4; |
b74cad8a AD |
683 | my $nbd_uri = "nbd:$1:$2:exportname=$3"; |
684 | my $targetdrive = $3; | |
685 | $targetdrive =~ s/drive-//g; | |
686 | ||
8b02e568 | 687 | $self->{target_drive}->{$targetdrive}->{drivestr} = $drivestr; |
b74cad8a | 688 | $self->{target_drive}->{$targetdrive}->{nbd_uri} = $nbd_uri; |
7827de41 ML |
689 | } elsif ($line =~ m!^storage migration listens on nbd:unix:(/run/qemu-server/(\d+)_nbd\.migrate):exportname=(\S+) volume:(\S+)$!) { |
690 | my $drivestr = $4; | |
691 | die "Destination UNIX socket's VMID does not match source VMID" if $vmid ne $2; | |
692 | my $nbd_unix_addr = $1; | |
693 | my $nbd_uri = "nbd:unix:$nbd_unix_addr:exportname=$3"; | |
694 | my $targetdrive = $3; | |
695 | $targetdrive =~ s/drive-//g; | |
b74cad8a | 696 | |
7827de41 ML |
697 | $self->{target_drive}->{$targetdrive}->{drivestr} = $drivestr; |
698 | $self->{target_drive}->{$targetdrive}->{nbd_uri} = $nbd_uri; | |
699 | push @$tunnel_addr, "$nbd_unix_addr:$nbd_unix_addr"; | |
700 | push @$sock_addr, $nbd_unix_addr; | |
8bf30c2a SR |
701 | } elsif ($line =~ m/^QEMU: (.*)$/) { |
702 | $self->log('info', "[$self->{node}] $1\n"); | |
b74cad8a | 703 | } |
ab399b7c AD |
704 | }, errfunc => sub { |
705 | my $line = shift; | |
8bf30c2a | 706 | $self->log('info', "[$self->{node}] $line"); |
6e0216d8 SR |
707 | }, noerr => 1); |
708 | ||
709 | die "remote command failed with exit code $exitcode\n" if $exitcode; | |
1e3baf05 | 710 | |
5bc1e039 | 711 | die "unable to detect remote migration address\n" if !$raddr; |
1ef75254 | 712 | |
d296ed08 AD |
713 | $self->log('info', "start remote tunnel"); |
714 | ||
2de2d6f7 | 715 | if ($migration_type eq 'secure') { |
1c9d54bf TL |
716 | |
717 | if ($ruri =~ /^unix:/) { | |
54323eed | 718 | unlink $raddr; |
7827de41 ML |
719 | push @$tunnel_addr, "$raddr:$raddr"; |
720 | $self->{tunnel} = $self->fork_tunnel($tunnel_addr); | |
721 | push @$sock_addr, $raddr; | |
1c9d54bf TL |
722 | |
723 | my $unix_socket_try = 0; # wait for the socket to become ready | |
7827de41 | 724 | while ($unix_socket_try <= 100) { |
1c9d54bf | 725 | $unix_socket_try++; |
7827de41 ML |
726 | my $available = 0; |
727 | foreach my $sock (@$sock_addr) { | |
728 | if (-S $sock) { | |
729 | $available++; | |
730 | } | |
731 | } | |
732 | ||
733 | if ($available == @$sock_addr) { | |
734 | last; | |
1c9d54bf TL |
735 | } |
736 | ||
737 | usleep(50000); | |
738 | } | |
7827de41 ML |
739 | if ($unix_socket_try > 100) { |
740 | $self->{errors} = 1; | |
741 | $self->finish_tunnel($self->{tunnel}); | |
742 | die "Timeout, migration socket $ruri did not get ready"; | |
743 | } | |
1c9d54bf TL |
744 | |
745 | } elsif ($ruri =~ /^tcp:/) { | |
e858e9d2 TL |
746 | my $tunnel_addr; |
747 | if ($raddr eq "localhost") { | |
748 | # for backwards compatibility with older qemu-server versions | |
749 | my $pfamily = PVE::Tools::get_host_address_family($nodename); | |
750 | my $lport = PVE::Tools::next_migrate_port($pfamily); | |
751 | $tunnel_addr = "$lport:localhost:$rport"; | |
752 | } | |
1c9d54bf | 753 | |
e858e9d2 | 754 | $self->{tunnel} = $self->fork_tunnel($tunnel_addr); |
1c9d54bf TL |
755 | |
756 | } else { | |
757 | die "unsupported protocol in migration URI: $ruri\n"; | |
758 | } | |
d296ed08 AD |
759 | } else { |
760 | #fork tunnel for insecure migration, to send faster commands like resume | |
761 | $self->{tunnel} = $self->fork_tunnel(); | |
1c9d54bf | 762 | } |
7827de41 | 763 | $self->{tunnel}->{sock_addr} = $sock_addr if (@$sock_addr); |
1e3baf05 | 764 | |
1e3baf05 | 765 | my $start = time(); |
b74cad8a | 766 | |
d189e590 SI |
767 | my $opt_bwlimit = $self->{opts}->{bwlimit}; |
768 | ||
c7789f54 | 769 | if (defined($self->{online_local_volumes})) { |
b74cad8a AD |
770 | $self->{storage_migration} = 1; |
771 | $self->{storage_migration_jobs} = {}; | |
772 | $self->log('info', "starting storage migration"); | |
773 | ||
bd2d5fe6 | 774 | die "The number of local disks does not match between the source and the destination.\n" |
3b4cf0f0 | 775 | if (scalar(keys %{$self->{target_drive}}) != scalar @{$self->{online_local_volumes}}); |
b74cad8a | 776 | foreach my $drive (keys %{$self->{target_drive}}){ |
d189e590 SI |
777 | my $target = $self->{target_drive}->{$drive}; |
778 | my $nbd_uri = $target->{nbd_uri}; | |
683ab654 | 779 | |
1764fa05 | 780 | my $source_drive = PVE::QemuServer::parse_drive($drive, $conf->{$drive}); |
683ab654 FG |
781 | my $target_drive = PVE::QemuServer::parse_drive($drive, $target->{drivestr}); |
782 | ||
1764fa05 FE |
783 | my $source_sid = PVE::Storage::Plugin::parse_volume_id($source_drive->{file}); |
784 | my $target_sid = PVE::Storage::Plugin::parse_volume_id($target_drive->{file}); | |
683ab654 | 785 | |
29eb909e | 786 | my $bwlimit = PVE::Storage::get_bandwidth_limit('migration', [$source_sid, $target_sid], $opt_bwlimit); |
9b6efe43 | 787 | my $bitmap = $target->{bitmap}; |
d189e590 | 788 | |
d108cb1e | 789 | $self->log('info', "$drive: start migration to $nbd_uri"); |
9b6efe43 | 790 | PVE::QemuServer::qemu_drive_mirror($vmid, $drive, $nbd_uri, $vmid, undef, $self->{storage_migration_jobs}, 'skip', undef, $bwlimit, $bitmap); |
b74cad8a AD |
791 | } |
792 | } | |
793 | ||
1c9d54bf | 794 | $self->log('info', "starting online/live migration on $ruri"); |
5bc1e039 | 795 | $self->{livemigration} = 1; |
e18b0b99 | 796 | |
3beb415b AD |
797 | # load_defaults |
798 | my $defaults = PVE::QemuServer::load_defaults(); | |
799 | ||
485449e3 SR |
800 | $self->log('info', "set migration_caps"); |
801 | eval { | |
802 | PVE::QemuServer::set_migration_caps($vmid); | |
803 | }; | |
804 | warn $@ if $@; | |
805 | ||
806 | my $qemu_migrate_params = {}; | |
807 | ||
ddd664d7 SI |
808 | # migrate speed can be set via bwlimit (datacenter.cfg and API) and via the |
809 | # migrate_speed parameter in qm.conf - take the lower of the two. | |
29eb909e | 810 | my $bwlimit = PVE::Storage::get_bandwidth_limit('migration', undef, $opt_bwlimit) // 0; |
ddd664d7 SI |
811 | my $migrate_speed = $conf->{migrate_speed} // $bwlimit; |
812 | # migrate_speed is in MB/s, bwlimit in KB/s | |
813 | $migrate_speed *= 1024; | |
814 | ||
815 | $migrate_speed = ($bwlimit < $migrate_speed) ? $bwlimit : $migrate_speed; | |
816 | ||
817 | # always set migrate speed (overwrite kvm default of 32m) we set a very high | |
818 | # default of 8192m which is basically unlimited | |
819 | $migrate_speed ||= ($defaults->{migrate_speed} || 8192) * 1024; | |
820 | ||
821 | # qmp takes migrate_speed in B/s. | |
822 | $migrate_speed *= 1024; | |
485449e3 SR |
823 | $self->log('info', "migration speed limit: $migrate_speed B/s"); |
824 | $qemu_migrate_params->{'max-bandwidth'} = int($migrate_speed); | |
3beb415b AD |
825 | |
826 | my $migrate_downtime = $defaults->{migrate_downtime}; | |
827 | $migrate_downtime = $conf->{migrate_downtime} if defined($conf->{migrate_downtime}); | |
828 | if (defined($migrate_downtime)) { | |
485449e3 SR |
829 | # migrate-set-parameters expects limit in ms |
830 | $migrate_downtime *= 1000; | |
831 | $self->log('info', "migration downtime limit: $migrate_downtime ms"); | |
832 | $qemu_migrate_params->{'downtime-limit'} = int($migrate_downtime); | |
3beb415b AD |
833 | } |
834 | ||
171ed95c EK |
835 | # set cachesize to 10% of the total memory |
836 | my $memory = $conf->{memory} || $defaults->{memory}; | |
837 | my $cachesize = int($memory * 1048576 / 10); | |
50d8dd5d AD |
838 | $cachesize = round_powerof2($cachesize); |
839 | ||
485449e3 SR |
840 | $self->log('info', "migration cachesize: $cachesize B"); |
841 | $qemu_migrate_params->{'xbzrle-cache-size'} = int($cachesize); | |
842 | ||
843 | $self->log('info', "set migration parameters"); | |
e18b0b99 | 844 | eval { |
485449e3 | 845 | mon_cmd($vmid, "migrate-set-parameters", %{$qemu_migrate_params}); |
e18b0b99 | 846 | }; |
485449e3 | 847 | $self->log('info', "migrate-set-parameters error: $@") if $@; |
f34d1466 | 848 | |
86b8228b | 849 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
95a4b4a9 AD |
850 | my $rpcenv = PVE::RPCEnvironment::get(); |
851 | my $authuser = $rpcenv->get_user(); | |
852 | ||
86b8228b | 853 | my (undef, $proxyticket) = PVE::AccessControl::assemble_spice_ticket($authuser, $vmid, $self->{node}); |
95a4b4a9 | 854 | |
86b8228b | 855 | my $filename = "/etc/pve/nodes/$self->{node}/pve-ssl.pem"; |
769f187d | 856 | my $subject = PVE::AccessControl::read_x509_subject_spice($filename); |
95a4b4a9 AD |
857 | |
858 | $self->log('info', "spice client_migrate_info"); | |
859 | ||
860 | eval { | |
0a13e08e | 861 | mon_cmd($vmid, "client_migrate_info", protocol => 'spice', |
ccab68c2 | 862 | hostname => $proxyticket, 'port' => 0, 'tls-port' => $spice_port, |
86b8228b | 863 | 'cert-subject' => $subject); |
95a4b4a9 AD |
864 | }; |
865 | $self->log('info', "client_migrate_info error: $@") if $@; | |
866 | ||
867 | } | |
868 | ||
f34d1466 | 869 | $self->log('info', "start migrate command to $ruri"); |
5a7835f5 | 870 | eval { |
0a13e08e | 871 | mon_cmd($vmid, "migrate", uri => $ruri); |
5a7835f5 AD |
872 | }; |
873 | my $merr = $@; | |
1c9d54bf | 874 | $self->log('info', "migrate uri => $ruri failed: $merr") if $merr; |
1e3baf05 | 875 | |
a05b47a8 | 876 | my $lstat = 0; |
4305207d | 877 | my $usleep = 1000000; |
e52bd94c | 878 | my $i = 0; |
b0b756c1 | 879 | my $err_count = 0; |
865ef132 SP |
880 | my $lastrem = undef; |
881 | my $downtimecounter = 0; | |
1e3baf05 | 882 | while (1) { |
e52bd94c AD |
883 | $i++; |
884 | my $avglstat = $lstat/$i if $lstat; | |
885 | ||
b0b756c1 DM |
886 | usleep($usleep); |
887 | my $stat; | |
888 | eval { | |
0a13e08e | 889 | $stat = mon_cmd($vmid, "query-migrate"); |
b0b756c1 DM |
890 | }; |
891 | if (my $err = $@) { | |
892 | $err_count++; | |
893 | warn "query migrate failed: $err\n"; | |
f34d1466 | 894 | $self->log('info', "query migrate failed: $err"); |
b0b756c1 DM |
895 | if ($err_count <= 5) { |
896 | usleep(1000000); | |
897 | next; | |
898 | } | |
899 | die "too many query migrate failures - aborting\n"; | |
900 | } | |
985a5f48 | 901 | |
f34d1466 | 902 | if (defined($stat->{status}) && $stat->{status} =~ m/^(setup)$/im) { |
985a5f48 AD |
903 | sleep(1); |
904 | next; | |
905 | } | |
906 | ||
f34d1466 | 907 | if (defined($stat->{status}) && $stat->{status} =~ m/^(active|completed|failed|cancelled)$/im) { |
d68afb26 | 908 | $merr = undef; |
b0b756c1 | 909 | $err_count = 0; |
5a7835f5 | 910 | if ($stat->{status} eq 'completed') { |
1e3baf05 DM |
911 | my $delay = time() - $start; |
912 | if ($delay > 0) { | |
171ed95c | 913 | my $mbps = sprintf "%.2f", $memory / $delay; |
135007c0 AD |
914 | my $downtime = $stat->{downtime} || 0; |
915 | $self->log('info', "migration speed: $mbps MB/s - downtime $downtime ms"); | |
1e3baf05 DM |
916 | } |
917 | } | |
f5eb281a | 918 | |
5a7835f5 | 919 | if ($stat->{status} eq 'failed' || $stat->{status} eq 'cancelled') { |
f34d1466 | 920 | $self->log('info', "migration status error: $stat->{status}"); |
1e3baf05 DM |
921 | die "aborting\n" |
922 | } | |
923 | ||
a05b47a8 DM |
924 | if ($stat->{status} ne 'active') { |
925 | $self->log('info', "migration status: $stat->{status}"); | |
926 | last; | |
927 | } | |
928 | ||
929 | if ($stat->{ram}->{transferred} ne $lstat) { | |
930 | my $trans = $stat->{ram}->{transferred} || 0; | |
931 | my $rem = $stat->{ram}->{remaining} || 0; | |
932 | my $total = $stat->{ram}->{total} || 0; | |
e18b0b99 AD |
933 | my $xbzrlecachesize = $stat->{"xbzrle-cache"}->{"cache-size"} || 0; |
934 | my $xbzrlebytes = $stat->{"xbzrle-cache"}->{"bytes"} || 0; | |
935 | my $xbzrlepages = $stat->{"xbzrle-cache"}->{"pages"} || 0; | |
936 | my $xbzrlecachemiss = $stat->{"xbzrle-cache"}->{"cache-miss"} || 0; | |
937 | my $xbzrleoverflow = $stat->{"xbzrle-cache"}->{"overflow"} || 0; | |
4305207d FG |
938 | # reduce sleep if remainig memory is lower than the average transfer speed |
939 | $usleep = 100000 if $avglstat && $rem < $avglstat; | |
a05b47a8 DM |
940 | |
941 | $self->log('info', "migration status: $stat->{status} (transferred ${trans}, " . | |
0302101c | 942 | "remaining ${rem}), total ${total})"); |
e18b0b99 | 943 | |
2e787b18 SP |
944 | if (${xbzrlecachesize}) { |
945 | $self->log('info', "migration xbzrle cachesize: ${xbzrlecachesize} transferred ${xbzrlebytes} pages ${xbzrlepages} cachemiss ${xbzrlecachemiss} overflow ${xbzrleoverflow}"); | |
946 | } | |
947 | ||
865ef132 SP |
948 | if (($lastrem && $rem > $lastrem ) || ($rem == 0)) { |
949 | $downtimecounter++; | |
950 | } | |
951 | $lastrem = $rem; | |
952 | ||
953 | if ($downtimecounter > 5) { | |
954 | $downtimecounter = 0; | |
955 | $migrate_downtime *= 2; | |
956 | $self->log('info', "migrate_set_downtime: $migrate_downtime"); | |
957 | eval { | |
0a13e08e | 958 | mon_cmd($vmid, "migrate_set_downtime", value => int($migrate_downtime*100)/100); |
865ef132 SP |
959 | }; |
960 | $self->log('info', "migrate_set_downtime error: $@") if $@; | |
961 | } | |
962 | ||
a05b47a8 DM |
963 | } |
964 | ||
865ef132 | 965 | |
a05b47a8 | 966 | $lstat = $stat->{ram}->{transferred}; |
370b05e7 | 967 | |
1e3baf05 | 968 | } else { |
d68afb26 | 969 | die $merr if $merr; |
5a7835f5 | 970 | die "unable to parse migration status '$stat->{status}' - aborting\n"; |
1e3baf05 | 971 | } |
a05b47a8 | 972 | } |
1e3baf05 | 973 | } |
16e903f2 | 974 | |
c04b5b04 AD |
975 | sub phase2_cleanup { |
976 | my ($self, $vmid, $err) = @_; | |
977 | ||
af30308f DM |
978 | return if !$self->{errors}; |
979 | $self->{phase2errors} = 1; | |
980 | ||
c04b5b04 AD |
981 | $self->log('info', "aborting phase 2 - cleanup resources"); |
982 | ||
19168b91 SP |
983 | $self->log('info', "migrate_cancel"); |
984 | eval { | |
0a13e08e | 985 | mon_cmd($vmid, "migrate_cancel"); |
19168b91 SP |
986 | }; |
987 | $self->log('info', "migrate_cancel error: $@") if $@; | |
988 | ||
c04b5b04 AD |
989 | my $conf = $self->{vmconf}; |
990 | delete $conf->{lock}; | |
ffda963f | 991 | eval { PVE::QemuConfig->write_config($vmid, $conf) }; |
c04b5b04 AD |
992 | if (my $err = $@) { |
993 | $self->log('err', $err); | |
994 | } | |
995 | ||
af30308f | 996 | # cleanup ressources on target host |
3b4cf0f0 | 997 | if ($self->{storage_migration}) { |
b74cad8a AD |
998 | |
999 | eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $self->{storage_migration_jobs}) }; | |
1000 | if (my $err = $@) { | |
1001 | $self->log('err', $err); | |
1002 | } | |
1003 | ||
1004 | eval { PVE::QemuMigrate::cleanup_remotedisks($self) }; | |
1005 | if (my $err = $@) { | |
1006 | $self->log('err', $err); | |
1007 | } | |
9b6efe43 FG |
1008 | eval { $self->cleanup_bitmaps() }; |
1009 | if (my $err =$@) { | |
1010 | $self->log('err', $err); | |
1011 | } | |
b74cad8a AD |
1012 | } |
1013 | ||
af30308f | 1014 | my $nodename = PVE::INotify::nodename(); |
370b05e7 | 1015 | |
af30308f DM |
1016 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'stop', $vmid, '--skiplock', '--migratedfrom', $nodename]; |
1017 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
1018 | if (my $err = $@) { | |
1019 | $self->log('err', $err); | |
1020 | $self->{errors} = 1; | |
1021 | } | |
386c6ba7 WL |
1022 | |
1023 | if ($self->{tunnel}) { | |
1024 | eval { finish_tunnel($self, $self->{tunnel}); }; | |
1025 | if (my $err = $@) { | |
1026 | $self->log('err', $err); | |
1027 | $self->{errors} = 1; | |
1028 | } | |
1029 | } | |
c04b5b04 AD |
1030 | } |
1031 | ||
16e903f2 DM |
1032 | sub phase3 { |
1033 | my ($self, $vmid) = @_; | |
f5eb281a | 1034 | |
16e903f2 | 1035 | my $volids = $self->{volumes}; |
af30308f | 1036 | return if $self->{phase2errors}; |
16e903f2 DM |
1037 | |
1038 | # destroy local copies | |
1039 | foreach my $volid (@$volids) { | |
46883f80 DM |
1040 | eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); }; |
1041 | if (my $err = $@) { | |
1042 | $self->log('err', "removing local copy of '$volid' failed - $err"); | |
1043 | $self->{errors} = 1; | |
1044 | last if $err =~ /^interrupted by signal$/; | |
16e903f2 DM |
1045 | } |
1046 | } | |
16e903f2 DM |
1047 | } |
1048 | ||
1049 | sub phase3_cleanup { | |
1050 | my ($self, $vmid, $err) = @_; | |
1051 | ||
1052 | my $conf = $self->{vmconf}; | |
af30308f | 1053 | return if $self->{phase2errors}; |
16e903f2 | 1054 | |
1d5aaa1d FG |
1055 | my $tunnel = $self->{tunnel}; |
1056 | ||
b74cad8a | 1057 | if ($self->{storage_migration}) { |
db1f8b39 | 1058 | # finish block-job with block-job-cancel, to disconnect source VM from NBD |
1e0074c4 TL |
1059 | # to avoid it trying to re-establish it. We are in blockjob ready state, |
1060 | # thus, this command changes to it to blockjob complete (see qapi docs) | |
db1f8b39 | 1061 | eval { PVE::QemuServer::qemu_drive_mirror_monitor($vmid, undef, $self->{storage_migration_jobs}, 'cancel'); }; |
b74cad8a AD |
1062 | |
1063 | if (my $err = $@) { | |
1064 | eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $self->{storage_migration_jobs}) }; | |
1065 | eval { PVE::QemuMigrate::cleanup_remotedisks($self) }; | |
40a572f7 | 1066 | die "Failed to complete storage migration: $err\n"; |
b74cad8a | 1067 | } else { |
b74cad8a | 1068 | foreach my $target_drive (keys %{$self->{target_drive}}) { |
8b02e568 | 1069 | my $drive = PVE::QemuServer::parse_drive($target_drive, $self->{target_drive}->{$target_drive}->{drivestr}); |
71c58bb7 | 1070 | $conf->{$target_drive} = PVE::QemuServer::print_drive($drive); |
b74cad8a AD |
1071 | PVE::QemuConfig->write_config($vmid, $conf); |
1072 | } | |
1073 | } | |
1074 | } | |
1075 | ||
dbc9420b | 1076 | # transfer replication state before move config |
4bdd20ab | 1077 | $self->transfer_replication_state() if $self->{replicated_volumes}; |
dbc9420b | 1078 | |
b8d20802 | 1079 | # move config to remote node |
ffda963f FG |
1080 | my $conffile = PVE::QemuConfig->config_file($vmid); |
1081 | my $newconffile = PVE::QemuConfig->config_file($vmid, $self->{node}); | |
b8d20802 AD |
1082 | |
1083 | die "Failed to move config to node '$self->{node}' - rename failed: $!\n" | |
1084 | if !rename($conffile, $newconffile); | |
1085 | ||
4bdd20ab | 1086 | $self->switch_replication_job_target() if $self->{replicated_volumes}; |
dbc9420b | 1087 | |
5bc1e039 | 1088 | if ($self->{livemigration}) { |
504105c6 FG |
1089 | if ($self->{storage_migration}) { |
1090 | # stop nbd server on remote vm - requirement for resume since 2.9 | |
1091 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'nbdstop', $vmid]; | |
1092 | ||
1093 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
1094 | if (my $err = $@) { | |
1095 | $self->log('err', $err); | |
1096 | $self->{errors} = 1; | |
1097 | } | |
1098 | } | |
1d5aaa1d | 1099 | |
877e2ea7 | 1100 | # config moved and nbd server stopped - now we can resume vm on target |
1d5aaa1d FG |
1101 | if ($tunnel && $tunnel->{version} && $tunnel->{version} >= 1) { |
1102 | eval { | |
1103 | $self->write_tunnel($tunnel, 30, "resume $vmid"); | |
1104 | }; | |
1105 | if (my $err = $@) { | |
1106 | $self->log('err', $err); | |
1107 | $self->{errors} = 1; | |
1108 | } | |
1109 | } else { | |
1110 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'resume', $vmid, '--skiplock', '--nocheck']; | |
1111 | my $logf = sub { | |
1112 | my $line = shift; | |
1113 | $self->log('err', $line); | |
1114 | }; | |
1115 | eval { PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => $logf); }; | |
1116 | if (my $err = $@) { | |
1117 | $self->log('err', $err); | |
1118 | $self->{errors} = 1; | |
1119 | } | |
b67900f1 | 1120 | } |
ca662131 SI |
1121 | |
1122 | if ($self->{storage_migration} && PVE::QemuServer::parse_guest_agent($conf)->{fstrim_cloned_disks} && $self->{running}) { | |
1123 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'guest', 'cmd', $vmid, 'fstrim']; | |
1124 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
1125 | } | |
b67900f1 AD |
1126 | } |
1127 | ||
2e7fee87 FG |
1128 | # close tunnel on successful migration, on error phase2_cleanup closed it |
1129 | if ($tunnel) { | |
1130 | eval { finish_tunnel($self, $tunnel); }; | |
1131 | if (my $err = $@) { | |
1132 | $self->log('err', $err); | |
1133 | $self->{errors} = 1; | |
1134 | } | |
1135 | } | |
1136 | ||
fd8469f7 | 1137 | eval { |
fd8469f7 AD |
1138 | my $timer = 0; |
1139 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga}) && $self->{running}) { | |
1140 | $self->log('info', "Waiting for spice server migration"); | |
1141 | while (1) { | |
0a13e08e | 1142 | my $res = mon_cmd($vmid, 'query-spice'); |
fd8469f7 AD |
1143 | last if int($res->{'migrated'}) == 1; |
1144 | last if $timer > 50; | |
1145 | $timer ++; | |
1146 | usleep(200000); | |
769f187d | 1147 | } |
fd8469f7 AD |
1148 | } |
1149 | }; | |
95a4b4a9 | 1150 | |
16e903f2 DM |
1151 | # always stop local VM |
1152 | eval { PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, 1, 1); }; | |
1153 | if (my $err = $@) { | |
1154 | $self->log('err', "stopping vm failed - $err"); | |
1155 | $self->{errors} = 1; | |
1156 | } | |
1157 | ||
1158 | # always deactivate volumes - avoid lvm LVs to be active on several nodes | |
1159 | eval { | |
1160 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); | |
1161 | PVE::Storage::deactivate_volumes($self->{storecfg}, $vollist); | |
1162 | }; | |
1163 | if (my $err = $@) { | |
1164 | $self->log('err', $err); | |
1165 | $self->{errors} = 1; | |
1166 | } | |
1167 | ||
b74cad8a AD |
1168 | if($self->{storage_migration}) { |
1169 | # destroy local copies | |
1170 | my $volids = $self->{online_local_volumes}; | |
1171 | ||
1172 | foreach my $volid (@$volids) { | |
9b6efe43 FG |
1173 | # keep replicated volumes! |
1174 | next if $self->{replicated_volumes}->{$volid}; | |
1175 | ||
b74cad8a AD |
1176 | eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); }; |
1177 | if (my $err = $@) { | |
1178 | $self->log('err', "removing local copy of '$volid' failed - $err"); | |
1179 | $self->{errors} = 1; | |
1180 | last if $err =~ /^interrupted by signal$/; | |
1181 | } | |
1182 | } | |
1183 | ||
b74cad8a AD |
1184 | } |
1185 | ||
16e903f2 DM |
1186 | # clear migrate lock |
1187 | my $cmd = [ @{$self->{rem_ssh}}, 'qm', 'unlock', $vmid ]; | |
1188 | $self->cmd_logerr($cmd, errmsg => "failed to clear migrate lock"); | |
1189 | } | |
1190 | ||
1191 | sub final_cleanup { | |
1192 | my ($self, $vmid) = @_; | |
1193 | ||
1194 | # nothing to do | |
1195 | } | |
1196 | ||
50d8dd5d AD |
1197 | sub round_powerof2 { |
1198 | return 1 if $_[0] < 2; | |
1199 | return 2 << int(log($_[0]-1)/log(2)); | |
1200 | } | |
1201 | ||
16e903f2 | 1202 | 1; |