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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; |
3392d6ca | 14 | use PVE::QemuServer::Machine; |
0a13e08e | 15 | use PVE::QemuServer::Monitor qw(mon_cmd); |
e52bd94c | 16 | use Time::HiRes qw( usleep ); |
95a4b4a9 | 17 | use PVE::RPCEnvironment; |
dbc9420b DM |
18 | use PVE::ReplicationConfig; |
19 | use PVE::ReplicationState; | |
54d10ab1 | 20 | use PVE::Replication; |
1e3baf05 | 21 | |
16e903f2 | 22 | use base qw(PVE::AbstractMigrate); |
1e3baf05 | 23 | |
1ef75254 | 24 | sub fork_command_pipe { |
46a84fd4 | 25 | my ($self, $cmd) = @_; |
19672434 | 26 | |
1ef75254 DM |
27 | my $reader = IO::File->new(); |
28 | my $writer = IO::File->new(); | |
29 | ||
30 | my $orig_pid = $$; | |
31 | ||
32 | my $cpid; | |
33 | ||
34 | eval { $cpid = open2($reader, $writer, @$cmd); }; | |
35 | ||
36 | my $err = $@; | |
37 | ||
38 | # catch exec errors | |
39 | if ($orig_pid != $$) { | |
46a84fd4 | 40 | $self->log('err', "can't fork command pipe\n"); |
19672434 DM |
41 | POSIX::_exit(1); |
42 | kill('KILL', $$); | |
1ef75254 DM |
43 | } |
44 | ||
45 | die $err if $err; | |
46 | ||
47 | return { writer => $writer, reader => $reader, pid => $cpid }; | |
48 | } | |
49 | ||
19672434 | 50 | sub finish_command_pipe { |
97439670 | 51 | my ($self, $cmdpipe, $timeout) = @_; |
1ef75254 | 52 | |
61b04c6d TL |
53 | my $cpid = $cmdpipe->{pid}; |
54 | return if !defined($cpid); | |
55 | ||
1ef75254 DM |
56 | my $writer = $cmdpipe->{writer}; |
57 | my $reader = $cmdpipe->{reader}; | |
58 | ||
59 | $writer->close(); | |
60 | $reader->close(); | |
61 | ||
61b04c6d TL |
62 | my $collect_child_process = sub { |
63 | my $res = waitpid($cpid, WNOHANG); | |
64 | if (defined($res) && ($res == $cpid)) { | |
65 | delete $cmdpipe->{cpid}; | |
66 | return 1; | |
67 | } else { | |
68 | return 0; | |
69 | } | |
70 | }; | |
1ef75254 | 71 | |
97439670 DM |
72 | if ($timeout) { |
73 | for (my $i = 0; $i < $timeout; $i++) { | |
61b04c6d | 74 | return if &$collect_child_process(); |
97439670 DM |
75 | sleep(1); |
76 | } | |
77 | } | |
78 | ||
79 | $self->log('info', "ssh tunnel still running - terminating now with SIGTERM\n"); | |
80 | kill(15, $cpid); | |
1ef75254 | 81 | |
97439670 DM |
82 | # wait again |
83 | for (my $i = 0; $i < 10; $i++) { | |
61b04c6d | 84 | return if &$collect_child_process(); |
97439670 DM |
85 | sleep(1); |
86 | } | |
87 | ||
88 | $self->log('info', "ssh tunnel still running - terminating now with SIGKILL\n"); | |
89 | kill 9, $cpid; | |
90 | sleep 1; | |
61b04c6d TL |
91 | |
92 | $self->log('err', "ssh tunnel child process (PID $cpid) couldn't be collected\n") | |
93 | if !&$collect_child_process(); | |
1ef75254 DM |
94 | } |
95 | ||
e0eb1f76 FG |
96 | sub read_tunnel { |
97 | my ($self, $tunnel, $timeout) = @_; | |
98 | ||
99 | $timeout = 60 if !defined($timeout); | |
100 | ||
101 | my $reader = $tunnel->{reader}; | |
102 | ||
103 | my $output; | |
104 | eval { | |
105 | PVE::Tools::run_with_timeout($timeout, sub { $output = <$reader>; }); | |
106 | }; | |
107 | die "reading from tunnel failed: $@\n" if $@; | |
108 | ||
109 | chomp $output; | |
110 | ||
111 | return $output; | |
112 | } | |
113 | ||
114 | sub write_tunnel { | |
115 | my ($self, $tunnel, $timeout, $command) = @_; | |
116 | ||
117 | $timeout = 60 if !defined($timeout); | |
118 | ||
119 | my $writer = $tunnel->{writer}; | |
120 | ||
121 | eval { | |
122 | PVE::Tools::run_with_timeout($timeout, sub { | |
123 | print $writer "$command\n"; | |
124 | $writer->flush(); | |
125 | }); | |
126 | }; | |
127 | die "writing to tunnel failed: $@\n" if $@; | |
bcb51ae8 FG |
128 | |
129 | if ($tunnel->{version} && $tunnel->{version} >= 1) { | |
130 | my $res = eval { $self->read_tunnel($tunnel, 10); }; | |
131 | die "no reply to command '$command': $@\n" if $@; | |
132 | ||
133 | if ($res eq 'OK') { | |
134 | return; | |
135 | } else { | |
136 | die "tunnel replied '$res' to command '$command'\n"; | |
137 | } | |
138 | } | |
e0eb1f76 FG |
139 | } |
140 | ||
1e3baf05 | 141 | sub fork_tunnel { |
1c9d54bf | 142 | my ($self, $tunnel_addr) = @_; |
1e3baf05 | 143 | |
e858e9d2 | 144 | my @localtunnelinfo = defined($tunnel_addr) ? ('-L' , $tunnel_addr ) : (); |
5bc1e039 | 145 | |
d7b1b24b | 146 | my $cmd = [@{$self->{rem_ssh}}, '-o ExitOnForwardFailure=yes', @localtunnelinfo, '/usr/sbin/qm', 'mtunnel' ]; |
19672434 | 147 | |
46a84fd4 | 148 | my $tunnel = $self->fork_command_pipe($cmd); |
1e3baf05 | 149 | |
19672434 | 150 | eval { |
e0eb1f76 | 151 | my $helo = $self->read_tunnel($tunnel, 60); |
1e3baf05 | 152 | die "no reply\n" if !$helo; |
1ef75254 | 153 | die "no quorum on target node\n" if $helo =~ m/^no quorum$/; |
19672434 | 154 | die "got strange reply from mtunnel ('$helo')\n" |
1e3baf05 DM |
155 | if $helo !~ m/^tunnel online$/; |
156 | }; | |
157 | my $err = $@; | |
158 | ||
58cbe639 FG |
159 | eval { |
160 | my $ver = $self->read_tunnel($tunnel, 10); | |
161 | if ($ver =~ /^ver (\d+)$/) { | |
162 | $tunnel->{version} = $1; | |
163 | $self->log('info', "ssh tunnel $ver\n"); | |
164 | } else { | |
165 | $err = "received invalid tunnel version string '$ver'\n" if !$err; | |
166 | } | |
167 | }; | |
168 | ||
1e3baf05 | 169 | if ($err) { |
46a84fd4 | 170 | $self->finish_command_pipe($tunnel); |
1e3baf05 DM |
171 | die "can't open migration tunnel - $err"; |
172 | } | |
173 | return $tunnel; | |
174 | } | |
175 | ||
19672434 | 176 | sub finish_tunnel { |
16e903f2 | 177 | my ($self, $tunnel) = @_; |
1e3baf05 | 178 | |
e0eb1f76 | 179 | eval { $self->write_tunnel($tunnel, 30, 'quit'); }; |
1e3baf05 | 180 | my $err = $@; |
19672434 | 181 | |
97439670 | 182 | $self->finish_command_pipe($tunnel, 30); |
19672434 | 183 | |
1c9d54bf TL |
184 | if ($tunnel->{sock_addr}) { |
185 | # ssh does not clean up on local host | |
186 | my $cmd = ['rm', '-f', $tunnel->{sock_addr}]; # | |
187 | PVE::Tools::run_command($cmd); | |
188 | ||
189 | # .. and just to be sure check on remote side | |
190 | unshift @{$cmd}, @{$self->{rem_ssh}}; | |
191 | PVE::Tools::run_command($cmd); | |
192 | } | |
193 | ||
1e3baf05 DM |
194 | die $err if $err; |
195 | } | |
196 | ||
16e903f2 DM |
197 | sub lock_vm { |
198 | my ($self, $vmid, $code, @param) = @_; | |
f5eb281a | 199 | |
ffda963f | 200 | return PVE::QemuConfig->lock_config($vmid, $code, @param); |
16e903f2 | 201 | } |
ff1a2432 | 202 | |
16e903f2 DM |
203 | sub prepare { |
204 | my ($self, $vmid) = @_; | |
ff1a2432 | 205 | |
16e903f2 | 206 | my $online = $self->{opts}->{online}; |
3ea94c60 | 207 | |
16e903f2 | 208 | $self->{storecfg} = PVE::Storage::config(); |
3ea94c60 | 209 | |
e1fc368d | 210 | # test if VM exists |
ffda963f | 211 | my $conf = $self->{vmconf} = PVE::QemuConfig->load_config($vmid); |
3ea94c60 | 212 | |
ffda963f | 213 | PVE::QemuConfig->check_lock($conf); |
3ea94c60 | 214 | |
16e903f2 DM |
215 | my $running = 0; |
216 | if (my $pid = PVE::QemuServer::check_running($vmid)) { | |
b6adff33 | 217 | die "can't migrate running VM without --online\n" if !$online; |
16e903f2 | 218 | $running = $pid; |
42dbd2ee | 219 | |
3392d6ca | 220 | $self->{forcemachine} = PVE::QemuServer::Machine::qemu_machine_pxe($vmid, $conf); |
7bac824e | 221 | |
3ea94c60 | 222 | } |
ca6abacf TM |
223 | my $loc_res = PVE::QemuServer::check_local_resources($conf, 1); |
224 | if (scalar @$loc_res) { | |
16e903f2 | 225 | if ($self->{running} || !$self->{opts}->{force}) { |
ca6abacf | 226 | die "can't migrate VM which uses local devices: " . join(", ", @$loc_res) . "\n"; |
16e903f2 DM |
227 | } else { |
228 | $self->log('info', "migrating VM which uses local devices"); | |
229 | } | |
3ea94c60 DM |
230 | } |
231 | ||
ff1a2432 | 232 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); |
16e903f2 | 233 | |
73f5ee92 | 234 | my $need_activate = []; |
29701766 FG |
235 | foreach my $volid (@$vollist) { |
236 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1); | |
237 | ||
238 | # check if storage is available on both nodes | |
8c58b12d | 239 | my $targetsid = $self->{opts}->{targetstorage} // $sid; |
b74cad8a | 240 | |
29701766 | 241 | my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $sid); |
b74cad8a | 242 | PVE::Storage::storage_check_node($self->{storecfg}, $targetsid, $self->{node}); |
73f5ee92 FG |
243 | |
244 | if ($scfg->{shared}) { | |
245 | # PVE::Storage::activate_storage checks this for non-shared storages | |
246 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
247 | warn "Used shared storage '$sid' is not online on source node!\n" | |
248 | if !$plugin->check_connection($sid, $scfg); | |
249 | } else { | |
250 | # only activate if not shared | |
9e93a63f | 251 | next if ($volid =~ m/vm-\d+-cloudinit/); |
73f5ee92 FG |
252 | push @$need_activate, $volid; |
253 | } | |
29701766 | 254 | } |
3ea94c60 | 255 | |
73f5ee92 FG |
256 | # activate volumes |
257 | PVE::Storage::activate_volumes($self->{storecfg}, $need_activate); | |
258 | ||
3ea94c60 | 259 | # test ssh connection |
16e903f2 DM |
260 | my $cmd = [ @{$self->{rem_ssh}}, '/bin/true' ]; |
261 | eval { $self->cmd_quiet($cmd); }; | |
3ea94c60 | 262 | die "Can't connect to destination address using public key\n" if $@; |
ff1a2432 | 263 | |
16e903f2 | 264 | return $running; |
3ea94c60 DM |
265 | } |
266 | ||
267 | sub sync_disks { | |
16e903f2 DM |
268 | my ($self, $vmid) = @_; |
269 | ||
16e903f2 DM |
270 | my $conf = $self->{vmconf}; |
271 | ||
dabf2473 | 272 | # local volumes which have been copied |
16e903f2 | 273 | $self->{volumes} = []; |
3ea94c60 | 274 | |
8c58b12d WB |
275 | my $override_targetsid = $self->{opts}->{targetstorage}; |
276 | ||
3ea94c60 DM |
277 | eval { |
278 | ||
dabf2473 FG |
279 | # found local volumes and their origin |
280 | my $local_volumes = {}; | |
5bf7f0f1 FG |
281 | my $local_volumes_errors = {}; |
282 | my $other_errors = []; | |
283 | my $abort = 0; | |
3ea94c60 | 284 | |
a06c7f7e DM |
285 | my $sharedvm = 1; |
286 | ||
5bf7f0f1 FG |
287 | my $log_error = sub { |
288 | my ($msg, $volid) = @_; | |
289 | ||
290 | if (defined($volid)) { | |
291 | $local_volumes_errors->{$volid} = $msg; | |
292 | } else { | |
293 | push @$other_errors, $msg; | |
294 | } | |
295 | $abort = 1; | |
296 | }; | |
297 | ||
522c8f97 | 298 | my @sids = PVE::Storage::storage_ids($self->{storecfg}); |
86638cc2 | 299 | foreach my $storeid (@sids) { |
522c8f97 | 300 | my $scfg = PVE::Storage::storage_config($self->{storecfg}, $storeid); |
86638cc2 | 301 | next if $scfg->{shared}; |
373ea579 DM |
302 | next if !PVE::Storage::storage_check_enabled($self->{storecfg}, $storeid, undef, 1); |
303 | ||
86638cc2 FG |
304 | # get list from PVE::Storage (for unused volumes) |
305 | my $dl = PVE::Storage::vdisk_list($self->{storecfg}, $storeid, $vmid); | |
89719f98 FG |
306 | |
307 | next if @{$dl->{$storeid}} == 0; | |
308 | ||
8c58b12d | 309 | my $targetsid = $override_targetsid // $storeid; |
d80ad67f | 310 | |
86638cc2 | 311 | # check if storage is available on target node |
d80ad67f | 312 | PVE::Storage::storage_check_node($self->{storecfg}, $targetsid, $self->{node}); |
89719f98 FG |
313 | $sharedvm = 0; # there is a non-shared disk |
314 | ||
86638cc2 FG |
315 | PVE::Storage::foreach_volid($dl, sub { |
316 | my ($volid, $sid, $volname) = @_; | |
80b2cbd1 | 317 | |
6f58fce9 | 318 | $local_volumes->{$volid}->{ref} = 'storage'; |
86638cc2 FG |
319 | }); |
320 | } | |
3ea94c60 | 321 | |
3629c19d | 322 | my $test_volid = sub { |
aee6abe5 | 323 | my ($volid, $attr) = @_; |
3ea94c60 | 324 | |
5bf7f0f1 | 325 | if ($volid =~ m|^/|) { |
ec82e3ee | 326 | return if $attr->{shared}; |
6f58fce9 | 327 | $local_volumes->{$volid}->{ref} = 'config'; |
5bf7f0f1 FG |
328 | die "local file/device\n"; |
329 | } | |
3ea94c60 | 330 | |
aee6abe5 DM |
331 | my $snaprefs = $attr->{referenced_in_snapshot}; |
332 | ||
333 | if ($attr->{cdrom}) { | |
5bf7f0f1 FG |
334 | if ($volid eq 'cdrom') { |
335 | my $msg = "can't migrate local cdrom drive"; | |
5009a8c7 | 336 | if (defined($snaprefs) && !$attr->{referenced_in_config}) { |
aee6abe5 | 337 | my $snapnames = join(', ', sort keys %$snaprefs); |
5009a8c7 | 338 | $msg .= " (referenced in snapshot - $snapnames)"; |
aee6abe5 | 339 | } |
5bf7f0f1 FG |
340 | &$log_error("$msg\n"); |
341 | return; | |
342 | } | |
3ea94c60 | 343 | return if $volid eq 'none'; |
3ea94c60 DM |
344 | } |
345 | ||
346 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
347 | ||
8c58b12d | 348 | my $targetsid = $override_targetsid // $sid; |
16e903f2 DM |
349 | # check if storage is available on both nodes |
350 | my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $sid); | |
d80ad67f | 351 | PVE::Storage::storage_check_node($self->{storecfg}, $targetsid, $self->{node}); |
3ea94c60 DM |
352 | |
353 | return if $scfg->{shared}; | |
354 | ||
3ea94c60 DM |
355 | $sharedvm = 0; |
356 | ||
6f58fce9 | 357 | $local_volumes->{$volid}->{ref} = $attr->{referenced_in_config} ? 'config' : 'snapshot'; |
d62fcf74 | 358 | |
9e93a63f ML |
359 | if ($attr->{cdrom}) { |
360 | if ($volid =~ /vm-\d+-cloudinit/) { | |
361 | $local_volumes->{$volid}->{ref} = 'generated'; | |
362 | return; | |
363 | } | |
364 | die "local cdrom image\n"; | |
365 | } | |
3629c19d | 366 | |
16e903f2 | 367 | my ($path, $owner) = PVE::Storage::path($self->{storecfg}, $volid); |
3ea94c60 | 368 | |
5bf7f0f1 | 369 | die "owned by other VM (owner = VM $owner)\n" |
16e903f2 | 370 | if !$owner || ($owner != $self->{vmid}); |
3ea94c60 | 371 | |
6f58fce9 WB |
372 | my $format = PVE::QemuServer::qemu_img_format($scfg, $volname); |
373 | $local_volumes->{$volid}->{snapshots} = defined($snaprefs) || ($format =~ /^(?:qcow2|vmdk)$/); | |
aee6abe5 | 374 | if (defined($snaprefs)) { |
3629c19d DM |
375 | # we cannot migrate shapshots on local storage |
376 | # exceptions: 'zfspool' or 'qcow2' files (on directory storage) | |
377 | ||
b74cad8a | 378 | die "online storage migration not possible if snapshot exists\n" if $self->{running}; |
b3205b15 | 379 | if (!($scfg->{type} eq 'zfspool' || $format eq 'qcow2')) { |
5bf7f0f1 | 380 | die "non-migratable snapshot exists\n"; |
3629c19d | 381 | } |
3629c19d | 382 | } |
3a7bc9e2 FG |
383 | |
384 | die "referenced by linked clone(s)\n" | |
385 | if PVE::Storage::volume_is_base_and_used($self->{storecfg}, $volid); | |
3629c19d DM |
386 | }; |
387 | ||
aee6abe5 DM |
388 | PVE::QemuServer::foreach_volid($conf, sub { |
389 | my ($volid, $attr) = @_; | |
390 | eval { $test_volid->($volid, $attr); }; | |
391 | if (my $err = $@) { | |
392 | &$log_error($err, $volid); | |
393 | } | |
394 | }); | |
3ea94c60 | 395 | |
dabf2473 | 396 | foreach my $vol (sort keys %$local_volumes) { |
6f58fce9 WB |
397 | my $ref = $local_volumes->{$vol}->{ref}; |
398 | if ($ref eq 'storage') { | |
d62fcf74 | 399 | $self->log('info', "found local disk '$vol' (via storage)\n"); |
6f58fce9 | 400 | } elsif ($ref eq 'config') { |
dbc9420b DM |
401 | &$log_error("can't live migrate attached local disks without with-local-disks option\n", $vol) |
402 | if $self->{running} && !$self->{opts}->{"with-local-disks"}; | |
d62fcf74 | 403 | $self->log('info', "found local disk '$vol' (in current VM config)\n"); |
6f58fce9 | 404 | } elsif ($ref eq 'snapshot') { |
d62fcf74 | 405 | $self->log('info', "found local disk '$vol' (referenced by snapshot(s))\n"); |
9e93a63f ML |
406 | } elsif ($ref eq 'generated') { |
407 | $self->log('info', "found generated disk '$vol' (in current VM config)\n"); | |
d62fcf74 FG |
408 | } else { |
409 | $self->log('info', "found local disk '$vol'\n"); | |
410 | } | |
411 | } | |
412 | ||
5bf7f0f1 FG |
413 | foreach my $vol (sort keys %$local_volumes_errors) { |
414 | $self->log('warn', "can't migrate local disk '$vol': $local_volumes_errors->{$vol}"); | |
415 | } | |
416 | foreach my $err (@$other_errors) { | |
417 | $self->log('warn', "$err"); | |
418 | } | |
419 | ||
5bf7f0f1 FG |
420 | if ($abort) { |
421 | die "can't migrate VM - check log\n"; | |
422 | } | |
423 | ||
c4d2d6c1 | 424 | # additional checks for local storage |
dabf2473 | 425 | foreach my $volid (keys %$local_volumes) { |
3ea94c60 | 426 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); |
16e903f2 | 427 | my $scfg = PVE::Storage::storage_config($self->{storecfg}, $sid); |
3ea94c60 | 428 | |
dad06e20 | 429 | my $migratable = $scfg->{type} =~ /^(?:dir|zfspool|lvmthin|lvm)$/; |
c4d2d6c1 | 430 | |
37a6dc78 | 431 | die "can't migrate '$volid' - storage type '$scfg->{type}' not supported\n" |
c4d2d6c1 | 432 | if !$migratable; |
d5604092 | 433 | |
c4d2d6c1 WL |
434 | # image is a linked clone on local storage, se we can't migrate. |
435 | if (my $basename = (PVE::Storage::parse_volname($self->{storecfg}, $volid))[3]) { | |
436 | die "can't migrate '$volid' as it's a clone of '$basename'"; | |
d5604092 | 437 | } |
3ea94c60 DM |
438 | } |
439 | ||
dbc9420b | 440 | my $rep_cfg = PVE::ReplicationConfig->new(); |
dbc9420b DM |
441 | if (my $jobcfg = $rep_cfg->find_local_replication_job($vmid, $self->{node})) { |
442 | die "can't live migrate VM with replicated volumes\n" if $self->{running}; | |
e85d01f2 | 443 | $self->log('info', "replicating disk images"); |
dbc9420b | 444 | my $start_time = time(); |
e85d01f2 TL |
445 | my $logfunc = sub { $self->log('info', shift) }; |
446 | $self->{replicated_volumes} = PVE::Replication::run_replication( | |
dbc9420b DM |
447 | 'PVE::QemuConfig', $jobcfg, $start_time, $start_time, $logfunc); |
448 | } | |
449 | ||
68b108ee SR |
450 | # sizes in config have to be accurate for remote node to correctly |
451 | # allocate disks, rescan to be sure | |
452 | my $volid_hash = PVE::QemuServer::scan_volids($self->{storecfg}, $vmid); | |
453 | PVE::QemuServer::foreach_drive($conf, sub { | |
454 | my ($key, $drive) = @_; | |
455 | my ($updated, $old_size, $new_size) = PVE::QemuServer::update_disksize($drive, $volid_hash); | |
456 | if (defined($updated)) { | |
457 | $conf->{$key} = PVE::QemuServer::print_drive($updated); | |
458 | $self->log('info', "size of disk '$updated->{file}' ($key) updated from $old_size to $new_size\n"); | |
459 | } | |
460 | }); | |
461 | ||
e85d01f2 TL |
462 | $self->log('info', "copying local disk images") if scalar(%$local_volumes); |
463 | ||
dabf2473 | 464 | foreach my $volid (keys %$local_volumes) { |
3ea94c60 | 465 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); |
8c58b12d | 466 | my $targetsid = $override_targetsid // $sid; |
9e93a63f ML |
467 | my $ref = $local_volumes->{$volid}->{ref}; |
468 | if ($self->{running} && $ref eq 'config') { | |
b74cad8a | 469 | push @{$self->{online_local_volumes}}, $volid; |
9e93a63f | 470 | } elsif ($ref eq 'generated') { |
9860fe4e | 471 | die "can't live migrate VM with local cloudinit disk. use a shared storage instead\n" if $self->{running}; |
9e93a63f ML |
472 | # skip all generated volumes but queue them for deletion in phase3_cleanup |
473 | push @{$self->{volumes}}, $volid; | |
474 | next; | |
b74cad8a | 475 | } else { |
e85d01f2 | 476 | next if $self->{replicated_volumes}->{$volid}; |
b74cad8a | 477 | push @{$self->{volumes}}, $volid; |
15a37695 SI |
478 | my $opts = $self->{opts}; |
479 | my $insecure = $opts->{migration_type} eq 'insecure'; | |
6f58fce9 | 480 | my $with_snapshots = $local_volumes->{$volid}->{snapshots}; |
15a37695 SI |
481 | # use 'migrate' limit for transfer to other node |
482 | my $bwlimit = PVE::Storage::get_bandwidth_limit('migrate', [$targetsid, $sid], $opts->{bwlimit}); | |
483 | # JSONSchema and get_bandwidth_limit use kbps - storage_migrate bps | |
484 | $bwlimit = $bwlimit * 1024 if defined($bwlimit); | |
485 | ||
d0c67182 | 486 | PVE::Storage::storage_migrate($self->{storecfg}, $volid, $self->{ssh_info}, $targetsid, |
15a37695 | 487 | undef, undef, undef, $bwlimit, $insecure, $with_snapshots); |
b74cad8a | 488 | } |
3ea94c60 DM |
489 | } |
490 | }; | |
491 | die "Failed to sync data - $@" if $@; | |
492 | } | |
493 | ||
b74cad8a AD |
494 | sub cleanup_remotedisks { |
495 | my ($self) = @_; | |
496 | ||
497 | foreach my $target_drive (keys %{$self->{target_drive}}) { | |
498 | ||
499 | my $drive = PVE::QemuServer::parse_drive($target_drive, $self->{target_drive}->{$target_drive}->{volid}); | |
500 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($drive->{file}); | |
501 | ||
502 | my $cmd = [@{$self->{rem_ssh}}, 'pvesm', 'free', "$storeid:$volname"]; | |
503 | ||
504 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
505 | if (my $err = $@) { | |
506 | $self->log('err', $err); | |
507 | $self->{errors} = 1; | |
508 | } | |
509 | } | |
510 | } | |
511 | ||
1e3baf05 | 512 | sub phase1 { |
16e903f2 | 513 | my ($self, $vmid) = @_; |
1e3baf05 | 514 | |
16e903f2 | 515 | $self->log('info', "starting migration of VM $vmid to node '$self->{node}' ($self->{nodeip})"); |
1e3baf05 | 516 | |
16e903f2 | 517 | my $conf = $self->{vmconf}; |
1e3baf05 DM |
518 | |
519 | # set migrate lock in config file | |
1858638f | 520 | $conf->{lock} = 'migrate'; |
ffda963f | 521 | PVE::QemuConfig->write_config($vmid, $conf); |
1e3baf05 | 522 | |
16e903f2 | 523 | sync_disks($self, $vmid); |
1ef75254 | 524 | |
68b108ee SR |
525 | # sync_disks fixes disk sizes to match their actual size, write changes so |
526 | # target allocates correct volumes | |
527 | PVE::QemuConfig->write_config($vmid, $conf); | |
1e3baf05 DM |
528 | }; |
529 | ||
16e903f2 DM |
530 | sub phase1_cleanup { |
531 | my ($self, $vmid, $err) = @_; | |
532 | ||
533 | $self->log('info', "aborting phase 1 - cleanup resources"); | |
534 | ||
1858638f DM |
535 | my $conf = $self->{vmconf}; |
536 | delete $conf->{lock}; | |
ffda963f | 537 | eval { PVE::QemuConfig->write_config($vmid, $conf) }; |
16e903f2 DM |
538 | if (my $err = $@) { |
539 | $self->log('err', $err); | |
540 | } | |
f5eb281a | 541 | |
16e903f2 DM |
542 | if ($self->{volumes}) { |
543 | foreach my $volid (@{$self->{volumes}}) { | |
544 | $self->log('err', "found stale volume copy '$volid' on node '$self->{node}'"); | |
545 | # fixme: try to remove ? | |
546 | } | |
547 | } | |
548 | } | |
549 | ||
1e3baf05 | 550 | sub phase2 { |
16e903f2 | 551 | my ($self, $vmid) = @_; |
1e3baf05 | 552 | |
16e903f2 DM |
553 | my $conf = $self->{vmconf}; |
554 | ||
46a84fd4 | 555 | $self->log('info', "starting VM $vmid on remote node '$self->{node}'"); |
1e3baf05 | 556 | |
5bc1e039 | 557 | my $raddr; |
1e3baf05 | 558 | my $rport; |
1c9d54bf | 559 | my $ruri; # the whole migration dst. URI (protocol:address[:port]) |
7e8dcf2c AD |
560 | my $nodename = PVE::INotify::nodename(); |
561 | ||
19672434 | 562 | ## start on remote node |
95a4b4a9 AD |
563 | my $cmd = [@{$self->{rem_ssh}}]; |
564 | ||
7c14dcae | 565 | my $spice_ticket; |
86b8228b | 566 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
0a13e08e | 567 | my $res = mon_cmd($vmid, 'query-spice'); |
7c14dcae | 568 | $spice_ticket = $res->{ticket}; |
95a4b4a9 AD |
569 | } |
570 | ||
1c9d54bf TL |
571 | push @$cmd , 'qm', 'start', $vmid, '--skiplock', '--migratedfrom', $nodename; |
572 | ||
f1c2a53a | 573 | my $migration_type = $self->{opts}->{migration_type}; |
2de2d6f7 TL |
574 | |
575 | push @$cmd, '--migration_type', $migration_type; | |
576 | ||
577 | push @$cmd, '--migration_network', $self->{opts}->{migration_network} | |
578 | if $self->{opts}->{migration_network}; | |
579 | ||
580 | if ($migration_type eq 'insecure') { | |
1c9d54bf TL |
581 | push @$cmd, '--stateuri', 'tcp'; |
582 | } else { | |
583 | push @$cmd, '--stateuri', 'unix'; | |
584 | } | |
95a4b4a9 | 585 | |
42668529 DM |
586 | if ($self->{forcemachine}) { |
587 | push @$cmd, '--machine', $self->{forcemachine}; | |
588 | } | |
589 | ||
4530494b TL |
590 | if ($self->{online_local_volumes}) { |
591 | push @$cmd, '--targetstorage', ($self->{opts}->{targetstorage} // '1'); | |
b74cad8a AD |
592 | } |
593 | ||
86b8228b DM |
594 | my $spice_port; |
595 | ||
7c14dcae DM |
596 | # Note: We try to keep $spice_ticket secret (do not pass via command line parameter) |
597 | # instead we pipe it through STDIN | |
6e0216d8 | 598 | my $exitcode = PVE::Tools::run_command($cmd, input => $spice_ticket, outfunc => sub { |
1e3baf05 DM |
599 | my $line = shift; |
600 | ||
407e0b8b | 601 | if ($line =~ m/^migration listens on tcp:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+)$/) { |
5bc1e039 SP |
602 | $raddr = $1; |
603 | $rport = int($2); | |
1c9d54bf TL |
604 | $ruri = "tcp:$raddr:$rport"; |
605 | } | |
606 | elsif ($line =~ m!^migration listens on unix:(/run/qemu-server/(\d+)\.migrate)$!) { | |
607 | $raddr = $1; | |
608 | die "Destination UNIX sockets VMID does not match source VMID" if $vmid ne $2; | |
609 | $ruri = "unix:$raddr"; | |
5bc1e039 SP |
610 | } |
611 | elsif ($line =~ m/^migration listens on port (\d+)$/) { | |
612 | $raddr = "localhost"; | |
86b8228b | 613 | $rport = int($1); |
1c9d54bf | 614 | $ruri = "tcp:$raddr:$rport"; |
5bc1e039 | 615 | } |
f3a483b6 | 616 | elsif ($line =~ m/^spice listens on port (\d+)$/) { |
86b8228b | 617 | $spice_port = int($1); |
1e3baf05 | 618 | } |
769f187d | 619 | elsif ($line =~ m/^storage migration listens on nbd:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+):exportname=(\S+) volume:(\S+)$/) { |
b74cad8a AD |
620 | my $volid = $4; |
621 | my $nbd_uri = "nbd:$1:$2:exportname=$3"; | |
622 | my $targetdrive = $3; | |
623 | $targetdrive =~ s/drive-//g; | |
624 | ||
625 | $self->{target_drive}->{$targetdrive}->{volid} = $volid; | |
626 | $self->{target_drive}->{$targetdrive}->{nbd_uri} = $nbd_uri; | |
627 | ||
8bf30c2a SR |
628 | } elsif ($line =~ m/^QEMU: (.*)$/) { |
629 | $self->log('info', "[$self->{node}] $1\n"); | |
b74cad8a | 630 | } |
ab399b7c AD |
631 | }, errfunc => sub { |
632 | my $line = shift; | |
8bf30c2a | 633 | $self->log('info', "[$self->{node}] $line"); |
6e0216d8 SR |
634 | }, noerr => 1); |
635 | ||
636 | die "remote command failed with exit code $exitcode\n" if $exitcode; | |
1e3baf05 | 637 | |
5bc1e039 | 638 | die "unable to detect remote migration address\n" if !$raddr; |
1ef75254 | 639 | |
d296ed08 AD |
640 | $self->log('info', "start remote tunnel"); |
641 | ||
2de2d6f7 | 642 | if ($migration_type eq 'secure') { |
1c9d54bf TL |
643 | |
644 | if ($ruri =~ /^unix:/) { | |
54323eed | 645 | unlink $raddr; |
1c9d54bf TL |
646 | $self->{tunnel} = $self->fork_tunnel("$raddr:$raddr"); |
647 | $self->{tunnel}->{sock_addr} = $raddr; | |
648 | ||
649 | my $unix_socket_try = 0; # wait for the socket to become ready | |
650 | while (! -S $raddr) { | |
651 | $unix_socket_try++; | |
652 | if ($unix_socket_try > 100) { | |
653 | $self->{errors} = 1; | |
654 | $self->finish_tunnel($self->{tunnel}); | |
655 | die "Timeout, migration socket $ruri did not get ready"; | |
656 | } | |
657 | ||
658 | usleep(50000); | |
659 | } | |
660 | ||
661 | } elsif ($ruri =~ /^tcp:/) { | |
e858e9d2 TL |
662 | my $tunnel_addr; |
663 | if ($raddr eq "localhost") { | |
664 | # for backwards compatibility with older qemu-server versions | |
665 | my $pfamily = PVE::Tools::get_host_address_family($nodename); | |
666 | my $lport = PVE::Tools::next_migrate_port($pfamily); | |
667 | $tunnel_addr = "$lport:localhost:$rport"; | |
668 | } | |
1c9d54bf | 669 | |
e858e9d2 | 670 | $self->{tunnel} = $self->fork_tunnel($tunnel_addr); |
1c9d54bf TL |
671 | |
672 | } else { | |
673 | die "unsupported protocol in migration URI: $ruri\n"; | |
674 | } | |
d296ed08 AD |
675 | } else { |
676 | #fork tunnel for insecure migration, to send faster commands like resume | |
677 | $self->{tunnel} = $self->fork_tunnel(); | |
1c9d54bf | 678 | } |
1e3baf05 | 679 | |
1e3baf05 | 680 | my $start = time(); |
b74cad8a | 681 | |
d189e590 SI |
682 | my $opt_bwlimit = $self->{opts}->{bwlimit}; |
683 | ||
c7789f54 | 684 | if (defined($self->{online_local_volumes})) { |
b74cad8a AD |
685 | $self->{storage_migration} = 1; |
686 | $self->{storage_migration_jobs} = {}; | |
687 | $self->log('info', "starting storage migration"); | |
688 | ||
bd2d5fe6 | 689 | die "The number of local disks does not match between the source and the destination.\n" |
3b4cf0f0 | 690 | if (scalar(keys %{$self->{target_drive}}) != scalar @{$self->{online_local_volumes}}); |
b74cad8a | 691 | foreach my $drive (keys %{$self->{target_drive}}){ |
d189e590 SI |
692 | my $target = $self->{target_drive}->{$drive}; |
693 | my $nbd_uri = $target->{nbd_uri}; | |
694 | my $source_sid = PVE::Storage::Plugin::parse_volume_id($conf->{$drive}); | |
695 | my $target_sid = PVE::Storage::Plugin::parse_volume_id($target->{volid}); | |
696 | my $bwlimit = PVE::Storage::get_bandwidth_limit('migrate', [$source_sid, $target_sid], $opt_bwlimit); | |
697 | ||
d108cb1e | 698 | $self->log('info', "$drive: start migration to $nbd_uri"); |
d189e590 | 699 | PVE::QemuServer::qemu_drive_mirror($vmid, $drive, $nbd_uri, $vmid, undef, $self->{storage_migration_jobs}, 1, undef, $bwlimit); |
b74cad8a AD |
700 | } |
701 | } | |
702 | ||
1c9d54bf | 703 | $self->log('info', "starting online/live migration on $ruri"); |
5bc1e039 | 704 | $self->{livemigration} = 1; |
e18b0b99 | 705 | |
3beb415b AD |
706 | # load_defaults |
707 | my $defaults = PVE::QemuServer::load_defaults(); | |
708 | ||
ddd664d7 SI |
709 | # migrate speed can be set via bwlimit (datacenter.cfg and API) and via the |
710 | # migrate_speed parameter in qm.conf - take the lower of the two. | |
711 | my $bwlimit = PVE::Storage::get_bandwidth_limit('migrate', undef, $opt_bwlimit) // 0; | |
712 | my $migrate_speed = $conf->{migrate_speed} // $bwlimit; | |
713 | # migrate_speed is in MB/s, bwlimit in KB/s | |
714 | $migrate_speed *= 1024; | |
715 | ||
716 | $migrate_speed = ($bwlimit < $migrate_speed) ? $bwlimit : $migrate_speed; | |
717 | ||
718 | # always set migrate speed (overwrite kvm default of 32m) we set a very high | |
719 | # default of 8192m which is basically unlimited | |
720 | $migrate_speed ||= ($defaults->{migrate_speed} || 8192) * 1024; | |
721 | ||
722 | # qmp takes migrate_speed in B/s. | |
723 | $migrate_speed *= 1024; | |
3beb415b AD |
724 | $self->log('info', "migrate_set_speed: $migrate_speed"); |
725 | eval { | |
0a13e08e | 726 | mon_cmd($vmid, "migrate_set_speed", value => int($migrate_speed)); |
3beb415b AD |
727 | }; |
728 | $self->log('info', "migrate_set_speed error: $@") if $@; | |
729 | ||
730 | my $migrate_downtime = $defaults->{migrate_downtime}; | |
731 | $migrate_downtime = $conf->{migrate_downtime} if defined($conf->{migrate_downtime}); | |
732 | if (defined($migrate_downtime)) { | |
733 | $self->log('info', "migrate_set_downtime: $migrate_downtime"); | |
734 | eval { | |
0a13e08e | 735 | mon_cmd($vmid, "migrate_set_downtime", value => int($migrate_downtime*100)/100); |
3beb415b AD |
736 | }; |
737 | $self->log('info', "migrate_set_downtime error: $@") if $@; | |
738 | } | |
739 | ||
f34d1466 | 740 | $self->log('info', "set migration_caps"); |
e18b0b99 | 741 | eval { |
a89fded1 | 742 | PVE::QemuServer::set_migration_caps($vmid); |
e18b0b99 | 743 | }; |
a89fded1 | 744 | warn $@ if $@; |
e18b0b99 | 745 | |
171ed95c EK |
746 | # set cachesize to 10% of the total memory |
747 | my $memory = $conf->{memory} || $defaults->{memory}; | |
748 | my $cachesize = int($memory * 1048576 / 10); | |
50d8dd5d AD |
749 | $cachesize = round_powerof2($cachesize); |
750 | ||
f34d1466 | 751 | $self->log('info', "set cachesize: $cachesize"); |
e18b0b99 | 752 | eval { |
0a13e08e | 753 | mon_cmd($vmid, "migrate-set-cache-size", value => int($cachesize)); |
e18b0b99 | 754 | }; |
f34d1466 TL |
755 | $self->log('info', "migrate-set-cache-size error: $@") if $@; |
756 | ||
86b8228b | 757 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
95a4b4a9 AD |
758 | my $rpcenv = PVE::RPCEnvironment::get(); |
759 | my $authuser = $rpcenv->get_user(); | |
760 | ||
86b8228b | 761 | my (undef, $proxyticket) = PVE::AccessControl::assemble_spice_ticket($authuser, $vmid, $self->{node}); |
95a4b4a9 | 762 | |
86b8228b | 763 | my $filename = "/etc/pve/nodes/$self->{node}/pve-ssl.pem"; |
769f187d | 764 | my $subject = PVE::AccessControl::read_x509_subject_spice($filename); |
95a4b4a9 AD |
765 | |
766 | $self->log('info', "spice client_migrate_info"); | |
767 | ||
768 | eval { | |
0a13e08e | 769 | mon_cmd($vmid, "client_migrate_info", protocol => 'spice', |
ccab68c2 | 770 | hostname => $proxyticket, 'port' => 0, 'tls-port' => $spice_port, |
86b8228b | 771 | 'cert-subject' => $subject); |
95a4b4a9 AD |
772 | }; |
773 | $self->log('info', "client_migrate_info error: $@") if $@; | |
774 | ||
775 | } | |
776 | ||
f34d1466 | 777 | $self->log('info', "start migrate command to $ruri"); |
5a7835f5 | 778 | eval { |
0a13e08e | 779 | mon_cmd($vmid, "migrate", uri => $ruri); |
5a7835f5 AD |
780 | }; |
781 | my $merr = $@; | |
1c9d54bf | 782 | $self->log('info', "migrate uri => $ruri failed: $merr") if $merr; |
1e3baf05 | 783 | |
a05b47a8 | 784 | my $lstat = 0; |
4305207d | 785 | my $usleep = 1000000; |
e52bd94c | 786 | my $i = 0; |
b0b756c1 | 787 | my $err_count = 0; |
865ef132 SP |
788 | my $lastrem = undef; |
789 | my $downtimecounter = 0; | |
1e3baf05 | 790 | while (1) { |
e52bd94c AD |
791 | $i++; |
792 | my $avglstat = $lstat/$i if $lstat; | |
793 | ||
b0b756c1 DM |
794 | usleep($usleep); |
795 | my $stat; | |
796 | eval { | |
0a13e08e | 797 | $stat = mon_cmd($vmid, "query-migrate"); |
b0b756c1 DM |
798 | }; |
799 | if (my $err = $@) { | |
800 | $err_count++; | |
801 | warn "query migrate failed: $err\n"; | |
f34d1466 | 802 | $self->log('info', "query migrate failed: $err"); |
b0b756c1 DM |
803 | if ($err_count <= 5) { |
804 | usleep(1000000); | |
805 | next; | |
806 | } | |
807 | die "too many query migrate failures - aborting\n"; | |
808 | } | |
985a5f48 | 809 | |
f34d1466 | 810 | if (defined($stat->{status}) && $stat->{status} =~ m/^(setup)$/im) { |
985a5f48 AD |
811 | sleep(1); |
812 | next; | |
813 | } | |
814 | ||
f34d1466 | 815 | if (defined($stat->{status}) && $stat->{status} =~ m/^(active|completed|failed|cancelled)$/im) { |
d68afb26 | 816 | $merr = undef; |
b0b756c1 | 817 | $err_count = 0; |
5a7835f5 | 818 | if ($stat->{status} eq 'completed') { |
1e3baf05 DM |
819 | my $delay = time() - $start; |
820 | if ($delay > 0) { | |
171ed95c | 821 | my $mbps = sprintf "%.2f", $memory / $delay; |
135007c0 AD |
822 | my $downtime = $stat->{downtime} || 0; |
823 | $self->log('info', "migration speed: $mbps MB/s - downtime $downtime ms"); | |
1e3baf05 DM |
824 | } |
825 | } | |
f5eb281a | 826 | |
5a7835f5 | 827 | if ($stat->{status} eq 'failed' || $stat->{status} eq 'cancelled') { |
f34d1466 | 828 | $self->log('info', "migration status error: $stat->{status}"); |
1e3baf05 DM |
829 | die "aborting\n" |
830 | } | |
831 | ||
a05b47a8 DM |
832 | if ($stat->{status} ne 'active') { |
833 | $self->log('info', "migration status: $stat->{status}"); | |
834 | last; | |
835 | } | |
836 | ||
837 | if ($stat->{ram}->{transferred} ne $lstat) { | |
838 | my $trans = $stat->{ram}->{transferred} || 0; | |
839 | my $rem = $stat->{ram}->{remaining} || 0; | |
840 | my $total = $stat->{ram}->{total} || 0; | |
e18b0b99 AD |
841 | my $xbzrlecachesize = $stat->{"xbzrle-cache"}->{"cache-size"} || 0; |
842 | my $xbzrlebytes = $stat->{"xbzrle-cache"}->{"bytes"} || 0; | |
843 | my $xbzrlepages = $stat->{"xbzrle-cache"}->{"pages"} || 0; | |
844 | my $xbzrlecachemiss = $stat->{"xbzrle-cache"}->{"cache-miss"} || 0; | |
845 | my $xbzrleoverflow = $stat->{"xbzrle-cache"}->{"overflow"} || 0; | |
4305207d FG |
846 | # reduce sleep if remainig memory is lower than the average transfer speed |
847 | $usleep = 100000 if $avglstat && $rem < $avglstat; | |
a05b47a8 DM |
848 | |
849 | $self->log('info', "migration status: $stat->{status} (transferred ${trans}, " . | |
0302101c | 850 | "remaining ${rem}), total ${total})"); |
e18b0b99 | 851 | |
2e787b18 SP |
852 | if (${xbzrlecachesize}) { |
853 | $self->log('info', "migration xbzrle cachesize: ${xbzrlecachesize} transferred ${xbzrlebytes} pages ${xbzrlepages} cachemiss ${xbzrlecachemiss} overflow ${xbzrleoverflow}"); | |
854 | } | |
855 | ||
865ef132 SP |
856 | if (($lastrem && $rem > $lastrem ) || ($rem == 0)) { |
857 | $downtimecounter++; | |
858 | } | |
859 | $lastrem = $rem; | |
860 | ||
861 | if ($downtimecounter > 5) { | |
862 | $downtimecounter = 0; | |
863 | $migrate_downtime *= 2; | |
864 | $self->log('info', "migrate_set_downtime: $migrate_downtime"); | |
865 | eval { | |
0a13e08e | 866 | mon_cmd($vmid, "migrate_set_downtime", value => int($migrate_downtime*100)/100); |
865ef132 SP |
867 | }; |
868 | $self->log('info', "migrate_set_downtime error: $@") if $@; | |
869 | } | |
870 | ||
a05b47a8 DM |
871 | } |
872 | ||
865ef132 | 873 | |
a05b47a8 | 874 | $lstat = $stat->{ram}->{transferred}; |
370b05e7 | 875 | |
1e3baf05 | 876 | } else { |
d68afb26 | 877 | die $merr if $merr; |
5a7835f5 | 878 | die "unable to parse migration status '$stat->{status}' - aborting\n"; |
1e3baf05 | 879 | } |
a05b47a8 | 880 | } |
1e3baf05 | 881 | } |
16e903f2 | 882 | |
c04b5b04 AD |
883 | sub phase2_cleanup { |
884 | my ($self, $vmid, $err) = @_; | |
885 | ||
af30308f DM |
886 | return if !$self->{errors}; |
887 | $self->{phase2errors} = 1; | |
888 | ||
c04b5b04 AD |
889 | $self->log('info', "aborting phase 2 - cleanup resources"); |
890 | ||
19168b91 SP |
891 | $self->log('info', "migrate_cancel"); |
892 | eval { | |
0a13e08e | 893 | mon_cmd($vmid, "migrate_cancel"); |
19168b91 SP |
894 | }; |
895 | $self->log('info', "migrate_cancel error: $@") if $@; | |
896 | ||
c04b5b04 AD |
897 | my $conf = $self->{vmconf}; |
898 | delete $conf->{lock}; | |
ffda963f | 899 | eval { PVE::QemuConfig->write_config($vmid, $conf) }; |
c04b5b04 AD |
900 | if (my $err = $@) { |
901 | $self->log('err', $err); | |
902 | } | |
903 | ||
af30308f | 904 | # cleanup ressources on target host |
3b4cf0f0 | 905 | if ($self->{storage_migration}) { |
b74cad8a AD |
906 | |
907 | eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $self->{storage_migration_jobs}) }; | |
908 | if (my $err = $@) { | |
909 | $self->log('err', $err); | |
910 | } | |
911 | ||
912 | eval { PVE::QemuMigrate::cleanup_remotedisks($self) }; | |
913 | if (my $err = $@) { | |
914 | $self->log('err', $err); | |
915 | } | |
916 | } | |
917 | ||
af30308f | 918 | my $nodename = PVE::INotify::nodename(); |
370b05e7 | 919 | |
af30308f DM |
920 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'stop', $vmid, '--skiplock', '--migratedfrom', $nodename]; |
921 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
922 | if (my $err = $@) { | |
923 | $self->log('err', $err); | |
924 | $self->{errors} = 1; | |
925 | } | |
386c6ba7 WL |
926 | |
927 | if ($self->{tunnel}) { | |
928 | eval { finish_tunnel($self, $self->{tunnel}); }; | |
929 | if (my $err = $@) { | |
930 | $self->log('err', $err); | |
931 | $self->{errors} = 1; | |
932 | } | |
933 | } | |
c04b5b04 AD |
934 | } |
935 | ||
16e903f2 DM |
936 | sub phase3 { |
937 | my ($self, $vmid) = @_; | |
f5eb281a | 938 | |
16e903f2 | 939 | my $volids = $self->{volumes}; |
af30308f | 940 | return if $self->{phase2errors}; |
16e903f2 DM |
941 | |
942 | # destroy local copies | |
943 | foreach my $volid (@$volids) { | |
46883f80 DM |
944 | eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); }; |
945 | if (my $err = $@) { | |
946 | $self->log('err', "removing local copy of '$volid' failed - $err"); | |
947 | $self->{errors} = 1; | |
948 | last if $err =~ /^interrupted by signal$/; | |
16e903f2 DM |
949 | } |
950 | } | |
16e903f2 DM |
951 | } |
952 | ||
953 | sub phase3_cleanup { | |
954 | my ($self, $vmid, $err) = @_; | |
955 | ||
956 | my $conf = $self->{vmconf}; | |
af30308f | 957 | return if $self->{phase2errors}; |
16e903f2 | 958 | |
1d5aaa1d FG |
959 | my $tunnel = $self->{tunnel}; |
960 | ||
b74cad8a | 961 | if ($self->{storage_migration}) { |
3b4cf0f0 WB |
962 | # finish block-job |
963 | eval { PVE::QemuServer::qemu_drive_mirror_monitor($vmid, undef, $self->{storage_migration_jobs}); }; | |
b74cad8a AD |
964 | |
965 | if (my $err = $@) { | |
966 | eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $self->{storage_migration_jobs}) }; | |
967 | eval { PVE::QemuMigrate::cleanup_remotedisks($self) }; | |
40a572f7 | 968 | die "Failed to complete storage migration: $err\n"; |
b74cad8a | 969 | } else { |
b74cad8a AD |
970 | foreach my $target_drive (keys %{$self->{target_drive}}) { |
971 | my $drive = PVE::QemuServer::parse_drive($target_drive, $self->{target_drive}->{$target_drive}->{volid}); | |
71c58bb7 | 972 | $conf->{$target_drive} = PVE::QemuServer::print_drive($drive); |
b74cad8a AD |
973 | PVE::QemuConfig->write_config($vmid, $conf); |
974 | } | |
975 | } | |
976 | } | |
977 | ||
dbc9420b | 978 | # transfer replication state before move config |
4bdd20ab | 979 | $self->transfer_replication_state() if $self->{replicated_volumes}; |
dbc9420b | 980 | |
b8d20802 | 981 | # move config to remote node |
ffda963f FG |
982 | my $conffile = PVE::QemuConfig->config_file($vmid); |
983 | my $newconffile = PVE::QemuConfig->config_file($vmid, $self->{node}); | |
b8d20802 AD |
984 | |
985 | die "Failed to move config to node '$self->{node}' - rename failed: $!\n" | |
986 | if !rename($conffile, $newconffile); | |
987 | ||
4bdd20ab | 988 | $self->switch_replication_job_target() if $self->{replicated_volumes}; |
dbc9420b | 989 | |
5bc1e039 | 990 | if ($self->{livemigration}) { |
504105c6 FG |
991 | if ($self->{storage_migration}) { |
992 | # stop nbd server on remote vm - requirement for resume since 2.9 | |
993 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'nbdstop', $vmid]; | |
994 | ||
995 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
996 | if (my $err = $@) { | |
997 | $self->log('err', $err); | |
998 | $self->{errors} = 1; | |
999 | } | |
1000 | } | |
1d5aaa1d | 1001 | |
877e2ea7 | 1002 | # config moved and nbd server stopped - now we can resume vm on target |
1d5aaa1d FG |
1003 | if ($tunnel && $tunnel->{version} && $tunnel->{version} >= 1) { |
1004 | eval { | |
1005 | $self->write_tunnel($tunnel, 30, "resume $vmid"); | |
1006 | }; | |
1007 | if (my $err = $@) { | |
1008 | $self->log('err', $err); | |
1009 | $self->{errors} = 1; | |
1010 | } | |
1011 | } else { | |
1012 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'resume', $vmid, '--skiplock', '--nocheck']; | |
1013 | my $logf = sub { | |
1014 | my $line = shift; | |
1015 | $self->log('err', $line); | |
1016 | }; | |
1017 | eval { PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => $logf); }; | |
1018 | if (my $err = $@) { | |
1019 | $self->log('err', $err); | |
1020 | $self->{errors} = 1; | |
1021 | } | |
b67900f1 | 1022 | } |
ca662131 SI |
1023 | |
1024 | if ($self->{storage_migration} && PVE::QemuServer::parse_guest_agent($conf)->{fstrim_cloned_disks} && $self->{running}) { | |
1025 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'guest', 'cmd', $vmid, 'fstrim']; | |
1026 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
1027 | } | |
b67900f1 AD |
1028 | } |
1029 | ||
2e7fee87 FG |
1030 | # close tunnel on successful migration, on error phase2_cleanup closed it |
1031 | if ($tunnel) { | |
1032 | eval { finish_tunnel($self, $tunnel); }; | |
1033 | if (my $err = $@) { | |
1034 | $self->log('err', $err); | |
1035 | $self->{errors} = 1; | |
1036 | } | |
1037 | } | |
1038 | ||
fd8469f7 | 1039 | eval { |
fd8469f7 AD |
1040 | my $timer = 0; |
1041 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga}) && $self->{running}) { | |
1042 | $self->log('info', "Waiting for spice server migration"); | |
1043 | while (1) { | |
0a13e08e | 1044 | my $res = mon_cmd($vmid, 'query-spice'); |
fd8469f7 AD |
1045 | last if int($res->{'migrated'}) == 1; |
1046 | last if $timer > 50; | |
1047 | $timer ++; | |
1048 | usleep(200000); | |
769f187d | 1049 | } |
fd8469f7 AD |
1050 | } |
1051 | }; | |
95a4b4a9 | 1052 | |
16e903f2 DM |
1053 | # always stop local VM |
1054 | eval { PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, 1, 1); }; | |
1055 | if (my $err = $@) { | |
1056 | $self->log('err', "stopping vm failed - $err"); | |
1057 | $self->{errors} = 1; | |
1058 | } | |
1059 | ||
1060 | # always deactivate volumes - avoid lvm LVs to be active on several nodes | |
1061 | eval { | |
1062 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); | |
1063 | PVE::Storage::deactivate_volumes($self->{storecfg}, $vollist); | |
1064 | }; | |
1065 | if (my $err = $@) { | |
1066 | $self->log('err', $err); | |
1067 | $self->{errors} = 1; | |
1068 | } | |
1069 | ||
b74cad8a AD |
1070 | if($self->{storage_migration}) { |
1071 | # destroy local copies | |
1072 | my $volids = $self->{online_local_volumes}; | |
1073 | ||
1074 | foreach my $volid (@$volids) { | |
1075 | eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); }; | |
1076 | if (my $err = $@) { | |
1077 | $self->log('err', "removing local copy of '$volid' failed - $err"); | |
1078 | $self->{errors} = 1; | |
1079 | last if $err =~ /^interrupted by signal$/; | |
1080 | } | |
1081 | } | |
1082 | ||
b74cad8a AD |
1083 | } |
1084 | ||
16e903f2 DM |
1085 | # clear migrate lock |
1086 | my $cmd = [ @{$self->{rem_ssh}}, 'qm', 'unlock', $vmid ]; | |
1087 | $self->cmd_logerr($cmd, errmsg => "failed to clear migrate lock"); | |
1088 | } | |
1089 | ||
1090 | sub final_cleanup { | |
1091 | my ($self, $vmid) = @_; | |
1092 | ||
1093 | # nothing to do | |
1094 | } | |
1095 | ||
50d8dd5d AD |
1096 | sub round_powerof2 { |
1097 | return 1 if $_[0] < 2; | |
1098 | return 2 << int(log($_[0]-1)/log(2)); | |
1099 | } | |
1100 | ||
16e903f2 | 1101 | 1; |