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Commit | Line | Data |
---|---|---|
3ea94c60 | 1 | package PVE::QemuMigrate; |
1ef75254 | 2 | |
1e3baf05 | 3 | use strict; |
3ea94c60 | 4 | use warnings; |
6d7450cb | 5 | |
3ea94c60 | 6 | use IO::File; |
1e3baf05 | 7 | use IPC::Open2; |
61b04c6d | 8 | use POSIX qw( WNOHANG ); |
6d7450cb TL |
9 | use Time::HiRes qw( usleep ); |
10 | ||
0fca250a | 11 | use PVE::Format qw(render_bytes); |
3ea94c60 | 12 | use PVE::Cluster; |
4b26ffbf | 13 | use PVE::GuestHelpers qw(safe_boolean_ne safe_string_ne); |
6d7450cb TL |
14 | use PVE::INotify; |
15 | use PVE::RPCEnvironment; | |
16 | use PVE::Replication; | |
17 | use PVE::ReplicationConfig; | |
18 | use PVE::ReplicationState; | |
1e3baf05 | 19 | use PVE::Storage; |
6d7450cb | 20 | use PVE::Tools; |
e594231b | 21 | use PVE::Tunnel; |
6d7450cb | 22 | |
912792e2 | 23 | use PVE::QemuConfig; |
58c64ad5 | 24 | use PVE::QemuServer::CPUConfig; |
e0fd2b2f | 25 | use PVE::QemuServer::Drive; |
28e6e180 | 26 | use PVE::QemuServer::Helpers qw(min_version); |
3392d6ca | 27 | use PVE::QemuServer::Machine; |
0a13e08e | 28 | use PVE::QemuServer::Monitor qw(mon_cmd); |
6d7450cb | 29 | use PVE::QemuServer; |
1e3baf05 | 30 | |
6d7450cb | 31 | use PVE::AbstractMigrate; |
16e903f2 | 32 | use base qw(PVE::AbstractMigrate); |
1e3baf05 | 33 | |
1e3baf05 | 34 | sub fork_tunnel { |
ae194a5c | 35 | my ($self, $ssh_forward_info) = @_; |
1e3baf05 | 36 | |
e594231b FG |
37 | my $cmd = ['/usr/sbin/qm', 'mtunnel']; |
38 | my $log = sub { | |
39 | my ($level, $msg) = @_; | |
40 | $self->log($level, $msg); | |
1e3baf05 | 41 | }; |
1c9d54bf | 42 | |
e594231b | 43 | return PVE::Tunnel::fork_ssh_tunnel($self->{rem_ssh}, $cmd, $ssh_forward_info, $log); |
1e3baf05 DM |
44 | } |
45 | ||
7d730f95 FE |
46 | sub start_remote_tunnel { |
47 | my ($self, $raddr, $rport, $ruri, $unix_socket_info) = @_; | |
48 | ||
49 | my $nodename = PVE::INotify::nodename(); | |
50 | my $migration_type = $self->{opts}->{migration_type}; | |
51 | ||
52 | if ($migration_type eq 'secure') { | |
53 | ||
54 | if ($ruri =~ /^unix:/) { | |
55 | my $ssh_forward_info = ["$raddr:$raddr"]; | |
56 | $unix_socket_info->{$raddr} = 1; | |
57 | ||
58 | my $unix_sockets = [ keys %$unix_socket_info ]; | |
59 | for my $sock (@$unix_sockets) { | |
60 | push @$ssh_forward_info, "$sock:$sock"; | |
61 | unlink $sock; | |
62 | } | |
63 | ||
64 | $self->{tunnel} = $self->fork_tunnel($ssh_forward_info); | |
65 | ||
66 | my $unix_socket_try = 0; # wait for the socket to become ready | |
67 | while ($unix_socket_try <= 100) { | |
68 | $unix_socket_try++; | |
69 | my $available = 0; | |
70 | foreach my $sock (@$unix_sockets) { | |
71 | if (-S $sock) { | |
72 | $available++; | |
73 | } | |
74 | } | |
75 | ||
76 | if ($available == @$unix_sockets) { | |
77 | last; | |
78 | } | |
79 | ||
80 | usleep(50000); | |
81 | } | |
82 | if ($unix_socket_try > 100) { | |
83 | $self->{errors} = 1; | |
e594231b | 84 | PVE::Tunnel::finish_tunnel($self->{tunnel}); |
7d730f95 FE |
85 | die "Timeout, migration socket $ruri did not get ready"; |
86 | } | |
87 | $self->{tunnel}->{unix_sockets} = $unix_sockets if (@$unix_sockets); | |
88 | ||
89 | } elsif ($ruri =~ /^tcp:/) { | |
90 | my $ssh_forward_info = []; | |
91 | if ($raddr eq "localhost") { | |
92 | # for backwards compatibility with older qemu-server versions | |
93 | my $pfamily = PVE::Tools::get_host_address_family($nodename); | |
94 | my $lport = PVE::Tools::next_migrate_port($pfamily); | |
95 | push @$ssh_forward_info, "$lport:localhost:$rport"; | |
96 | } | |
97 | ||
98 | $self->{tunnel} = $self->fork_tunnel($ssh_forward_info); | |
99 | ||
100 | } else { | |
101 | die "unsupported protocol in migration URI: $ruri\n"; | |
102 | } | |
103 | } else { | |
104 | #fork tunnel for insecure migration, to send faster commands like resume | |
105 | $self->{tunnel} = $self->fork_tunnel(); | |
106 | } | |
107 | } | |
108 | ||
16e903f2 DM |
109 | sub lock_vm { |
110 | my ($self, $vmid, $code, @param) = @_; | |
f5eb281a | 111 | |
ffda963f | 112 | return PVE::QemuConfig->lock_config($vmid, $code, @param); |
16e903f2 | 113 | } |
ff1a2432 | 114 | |
16e903f2 DM |
115 | sub prepare { |
116 | my ($self, $vmid) = @_; | |
ff1a2432 | 117 | |
16e903f2 | 118 | my $online = $self->{opts}->{online}; |
3ea94c60 | 119 | |
8a5bd889 | 120 | my $storecfg = $self->{storecfg} = PVE::Storage::config(); |
3ea94c60 | 121 | |
e1fc368d | 122 | # test if VM exists |
ffda963f | 123 | my $conf = $self->{vmconf} = PVE::QemuConfig->load_config($vmid); |
3ea94c60 | 124 | |
9c88e854 AD |
125 | my $version = PVE::QemuServer::Helpers::get_node_pvecfg_version($self->{node}); |
126 | my $cloudinit_config = $conf->{cloudinit}; | |
127 | ||
71cc2c41 TL |
128 | if ( |
129 | PVE::QemuConfig->has_cloudinit($conf) && defined($cloudinit_config) | |
130 | && scalar(keys %$cloudinit_config) > 0 | |
131 | && !PVE::QemuServer::Helpers::pvecfg_min_version($version, 7, 2, 13) | |
132 | ) { | |
133 | die "target node is too old (manager <= 7.2-13) and doesn't support new cloudinit section\n"; | |
9c88e854 AD |
134 | } |
135 | ||
c2c96d73 FE |
136 | my $repl_conf = PVE::ReplicationConfig->new(); |
137 | $self->{replication_jobcfg} = $repl_conf->find_local_replication_job($vmid, $self->{node}); | |
138 | $self->{is_replicated} = $repl_conf->check_for_existing_jobs($vmid, 1); | |
139 | ||
19ff3682 FE |
140 | if ($self->{replication_jobcfg} && defined($self->{replication_jobcfg}->{remove_job})) { |
141 | die "refusing to migrate replicated VM whose replication job is marked for removal\n"; | |
142 | } | |
143 | ||
ffda963f | 144 | PVE::QemuConfig->check_lock($conf); |
3ea94c60 | 145 | |
16e903f2 DM |
146 | my $running = 0; |
147 | if (my $pid = PVE::QemuServer::check_running($vmid)) { | |
b6adff33 | 148 | die "can't migrate running VM without --online\n" if !$online; |
16e903f2 | 149 | $running = $pid; |
42dbd2ee | 150 | |
c2c96d73 | 151 | if ($self->{is_replicated} && !$self->{replication_jobcfg}) { |
68980d66 FE |
152 | if ($self->{opts}->{force}) { |
153 | $self->log('warn', "WARNING: Node '$self->{node}' is not a replication target. Existing " . | |
154 | "replication jobs will fail after migration!\n"); | |
155 | } else { | |
156 | die "Cannot live-migrate replicated VM to node '$self->{node}' - not a replication " . | |
157 | "target. Use 'force' to override.\n"; | |
158 | } | |
159 | } | |
160 | ||
3392d6ca | 161 | $self->{forcemachine} = PVE::QemuServer::Machine::qemu_machine_pxe($vmid, $conf); |
7bac824e | 162 | |
58c64ad5 SR |
163 | # To support custom CPU types, we keep QEMU's "-cpu" parameter intact. |
164 | # Since the parameter itself contains no reference to a custom model, | |
165 | # this makes migration independent of changes to "cpu-models.conf". | |
166 | if ($conf->{cpu}) { | |
b53ba8d0 | 167 | my $cpuconf = PVE::JSONSchema::parse_property_string('pve-cpu-conf', $conf->{cpu}); |
58c64ad5 SR |
168 | if ($cpuconf && PVE::QemuServer::CPUConfig::is_custom_model($cpuconf->{cputype})) { |
169 | $self->{forcecpu} = PVE::QemuServer::CPUConfig::get_cpu_from_running_vm($pid); | |
170 | } | |
171 | } | |
a183576e FE |
172 | |
173 | $self->{vm_was_paused} = 1 if PVE::QemuServer::vm_is_paused($vmid); | |
3ea94c60 | 174 | } |
58c64ad5 | 175 | |
ca6abacf TM |
176 | my $loc_res = PVE::QemuServer::check_local_resources($conf, 1); |
177 | if (scalar @$loc_res) { | |
16e903f2 | 178 | if ($self->{running} || !$self->{opts}->{force}) { |
ca6abacf | 179 | die "can't migrate VM which uses local devices: " . join(", ", @$loc_res) . "\n"; |
16e903f2 DM |
180 | } else { |
181 | $self->log('info', "migrating VM which uses local devices"); | |
182 | } | |
3ea94c60 DM |
183 | } |
184 | ||
ff1a2432 | 185 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); |
29701766 FG |
186 | foreach my $volid (@$vollist) { |
187 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1); | |
188 | ||
189 | # check if storage is available on both nodes | |
8a5bd889 | 190 | my $scfg = PVE::Storage::storage_check_enabled($storecfg, $sid); |
d213ba29 | 191 | |
95b3583b TL |
192 | my $targetsid = $sid; |
193 | # NOTE: we currently ignore shared source storages in mappings so skip here too for now | |
194 | if (!$scfg->{shared}) { | |
82a03671 | 195 | $targetsid = PVE::JSONSchema::map_id($self->{opts}->{storagemap}, $sid); |
d213ba29 FE |
196 | } |
197 | ||
f8830c4d | 198 | my $target_scfg = PVE::Storage::storage_check_enabled($storecfg, $targetsid, $self->{node}); |
db861a46 | 199 | my ($vtype) = PVE::Storage::parse_volname($storecfg, $volid); |
24b84b47 | 200 | |
db861a46 TL |
201 | die "$volid: content type '$vtype' is not available on storage '$targetsid'\n" |
202 | if !$target_scfg->{content}->{$vtype}; | |
73f5ee92 FG |
203 | |
204 | if ($scfg->{shared}) { | |
205 | # PVE::Storage::activate_storage checks this for non-shared storages | |
206 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
207 | warn "Used shared storage '$sid' is not online on source node!\n" | |
208 | if !$plugin->check_connection($sid, $scfg); | |
73f5ee92 | 209 | } |
29701766 | 210 | } |
3ea94c60 DM |
211 | |
212 | # test ssh connection | |
16e903f2 DM |
213 | my $cmd = [ @{$self->{rem_ssh}}, '/bin/true' ]; |
214 | eval { $self->cmd_quiet($cmd); }; | |
3ea94c60 | 215 | die "Can't connect to destination address using public key\n" if $@; |
ff1a2432 | 216 | |
16e903f2 | 217 | return $running; |
3ea94c60 DM |
218 | } |
219 | ||
d10b78f4 | 220 | sub scan_local_volumes { |
16e903f2 DM |
221 | my ($self, $vmid) = @_; |
222 | ||
16e903f2 DM |
223 | my $conf = $self->{vmconf}; |
224 | ||
dabf2473 | 225 | # local volumes which have been copied |
37666e4c | 226 | # and their old_id => new_id pairs |
37666e4c | 227 | $self->{volume_map} = {}; |
d10b78f4 | 228 | $self->{local_volumes} = {}; |
3ea94c60 | 229 | |
b10afa31 | 230 | my $storecfg = $self->{storecfg}; |
3ea94c60 DM |
231 | eval { |
232 | ||
dabf2473 | 233 | # found local volumes and their origin |
d10b78f4 | 234 | my $local_volumes = $self->{local_volumes}; |
5bf7f0f1 FG |
235 | my $local_volumes_errors = {}; |
236 | my $other_errors = []; | |
237 | my $abort = 0; | |
3ea94c60 | 238 | |
5bf7f0f1 FG |
239 | my $log_error = sub { |
240 | my ($msg, $volid) = @_; | |
241 | ||
242 | if (defined($volid)) { | |
243 | $local_volumes_errors->{$volid} = $msg; | |
244 | } else { | |
245 | push @$other_errors, $msg; | |
246 | } | |
247 | $abort = 1; | |
248 | }; | |
249 | ||
b10afa31 | 250 | my @sids = PVE::Storage::storage_ids($storecfg); |
86638cc2 | 251 | foreach my $storeid (@sids) { |
b10afa31 | 252 | my $scfg = PVE::Storage::storage_config($storecfg, $storeid); |
86638cc2 | 253 | next if $scfg->{shared}; |
b10afa31 | 254 | next if !PVE::Storage::storage_check_enabled($storecfg, $storeid, undef, 1); |
373ea579 | 255 | |
86638cc2 | 256 | # get list from PVE::Storage (for unused volumes) |
24b84b47 | 257 | my $dl = PVE::Storage::vdisk_list($storecfg, $storeid, $vmid, undef, 'images'); |
89719f98 FG |
258 | |
259 | next if @{$dl->{$storeid}} == 0; | |
260 | ||
82a03671 | 261 | my $targetsid = PVE::JSONSchema::map_id($self->{opts}->{storagemap}, $storeid); |
86638cc2 | 262 | # check if storage is available on target node |
24b84b47 FE |
263 | my $target_scfg = PVE::Storage::storage_check_enabled( |
264 | $storecfg, | |
265 | $targetsid, | |
266 | $self->{node}, | |
267 | ); | |
89719f98 | 268 | |
24b84b47 FE |
269 | die "content type 'images' is not available on storage '$targetsid'\n" |
270 | if !$target_scfg->{content}->{images}; | |
bf8fc5a3 | 271 | |
c3417e3b FE |
272 | my $bwlimit = PVE::Storage::get_bandwidth_limit( |
273 | 'migration', | |
274 | [$targetsid, $storeid], | |
275 | $self->{opts}->{bwlimit}, | |
276 | ); | |
277 | ||
86638cc2 | 278 | PVE::Storage::foreach_volid($dl, sub { |
5eca0c36 | 279 | my ($volid, $sid, $volinfo) = @_; |
80b2cbd1 | 280 | |
6f58fce9 | 281 | $local_volumes->{$volid}->{ref} = 'storage'; |
62a4c963 | 282 | $local_volumes->{$volid}->{size} = $volinfo->{size}; |
c3417e3b FE |
283 | $local_volumes->{$volid}->{targetsid} = $targetsid; |
284 | $local_volumes->{$volid}->{bwlimit} = $bwlimit; | |
5eca0c36 FE |
285 | |
286 | # If with_snapshots is not set for storage migrate, it tries to use | |
287 | # a raw+size stream, but on-the-fly conversion from qcow2 to raw+size | |
288 | # back to qcow2 is currently not possible. | |
289 | $local_volumes->{$volid}->{snapshots} = ($volinfo->{format} =~ /^(?:qcow2|vmdk)$/); | |
0ad295f9 | 290 | $local_volumes->{$volid}->{format} = $volinfo->{format}; |
86638cc2 FG |
291 | }); |
292 | } | |
3ea94c60 | 293 | |
c2c96d73 | 294 | my $replicatable_volumes = !$self->{replication_jobcfg} ? {} |
2cd808d3 | 295 | : PVE::QemuConfig->get_replicatable_volumes($storecfg, $vmid, $conf, 0, 1); |
4b26ffbf FE |
296 | foreach my $volid (keys %{$replicatable_volumes}) { |
297 | $local_volumes->{$volid}->{replicated} = 1; | |
298 | } | |
b9f44d27 | 299 | |
3629c19d | 300 | my $test_volid = sub { |
aee6abe5 | 301 | my ($volid, $attr) = @_; |
3ea94c60 | 302 | |
5bf7f0f1 | 303 | if ($volid =~ m|^/|) { |
ec82e3ee | 304 | return if $attr->{shared}; |
6f58fce9 | 305 | $local_volumes->{$volid}->{ref} = 'config'; |
5bf7f0f1 FG |
306 | die "local file/device\n"; |
307 | } | |
3ea94c60 | 308 | |
aee6abe5 DM |
309 | my $snaprefs = $attr->{referenced_in_snapshot}; |
310 | ||
311 | if ($attr->{cdrom}) { | |
5bf7f0f1 FG |
312 | if ($volid eq 'cdrom') { |
313 | my $msg = "can't migrate local cdrom drive"; | |
5009a8c7 | 314 | if (defined($snaprefs) && !$attr->{referenced_in_config}) { |
aee6abe5 | 315 | my $snapnames = join(', ', sort keys %$snaprefs); |
5009a8c7 | 316 | $msg .= " (referenced in snapshot - $snapnames)"; |
aee6abe5 | 317 | } |
5bf7f0f1 FG |
318 | &$log_error("$msg\n"); |
319 | return; | |
320 | } | |
3ea94c60 | 321 | return if $volid eq 'none'; |
3ea94c60 DM |
322 | } |
323 | ||
324 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
325 | ||
16e903f2 | 326 | # check if storage is available on both nodes |
0d2db084 | 327 | my $scfg = PVE::Storage::storage_check_enabled($storecfg, $sid); |
d213ba29 | 328 | |
95b3583b TL |
329 | my $targetsid = $sid; |
330 | # NOTE: we currently ignore shared source storages in mappings so skip here too for now | |
331 | if (!$scfg->{shared}) { | |
82a03671 | 332 | $targetsid = PVE::JSONSchema::map_id($self->{opts}->{storagemap}, $sid); |
d213ba29 FE |
333 | } |
334 | ||
0d2db084 | 335 | PVE::Storage::storage_check_enabled($storecfg, $targetsid, $self->{node}); |
3ea94c60 DM |
336 | |
337 | return if $scfg->{shared}; | |
338 | ||
6f58fce9 | 339 | $local_volumes->{$volid}->{ref} = $attr->{referenced_in_config} ? 'config' : 'snapshot'; |
ae180b8f | 340 | $local_volumes->{$volid}->{ref} = 'storage' if $attr->{is_unused}; |
f9dde219 | 341 | $local_volumes->{$volid}->{ref} = 'generated' if $attr->{is_tpmstate}; |
d62fcf74 | 342 | |
cc1a3820 FE |
343 | $local_volumes->{$volid}->{is_vmstate} = $attr->{is_vmstate} ? 1 : 0; |
344 | ||
a6be63ac FE |
345 | $local_volumes->{$volid}->{drivename} = $attr->{drivename} |
346 | if $attr->{drivename}; | |
347 | ||
9e93a63f ML |
348 | if ($attr->{cdrom}) { |
349 | if ($volid =~ /vm-\d+-cloudinit/) { | |
350 | $local_volumes->{$volid}->{ref} = 'generated'; | |
351 | return; | |
352 | } | |
353 | die "local cdrom image\n"; | |
354 | } | |
3629c19d | 355 | |
b10afa31 | 356 | my ($path, $owner) = PVE::Storage::path($storecfg, $volid); |
3ea94c60 | 357 | |
5bf7f0f1 | 358 | die "owned by other VM (owner = VM $owner)\n" |
b10afa31 | 359 | if !$owner || ($owner != $vmid); |
3ea94c60 | 360 | |
b24f07d4 FE |
361 | return if $attr->{is_vmstate}; |
362 | ||
aee6abe5 | 363 | if (defined($snaprefs)) { |
5eca0c36 FE |
364 | $local_volumes->{$volid}->{snapshots} = 1; |
365 | ||
3629c19d DM |
366 | # we cannot migrate shapshots on local storage |
367 | # exceptions: 'zfspool' or 'qcow2' files (on directory storage) | |
368 | ||
b74cad8a | 369 | die "online storage migration not possible if snapshot exists\n" if $self->{running}; |
205dbf39 WB |
370 | if (!($scfg->{type} eq 'zfspool' |
371 | || ($scfg->{type} eq 'btrfs' && $local_volumes->{$volid}->{format} eq 'raw') | |
372 | || $local_volumes->{$volid}->{format} eq 'qcow2' | |
373 | )) { | |
5bf7f0f1 | 374 | die "non-migratable snapshot exists\n"; |
3629c19d | 375 | } |
3629c19d | 376 | } |
3a7bc9e2 FG |
377 | |
378 | die "referenced by linked clone(s)\n" | |
b10afa31 | 379 | if PVE::Storage::volume_is_base_and_used($storecfg, $volid); |
3629c19d DM |
380 | }; |
381 | ||
aee6abe5 DM |
382 | PVE::QemuServer::foreach_volid($conf, sub { |
383 | my ($volid, $attr) = @_; | |
384 | eval { $test_volid->($volid, $attr); }; | |
385 | if (my $err = $@) { | |
386 | &$log_error($err, $volid); | |
387 | } | |
388 | }); | |
3ea94c60 | 389 | |
dabf2473 | 390 | foreach my $vol (sort keys %$local_volumes) { |
b9f44d27 | 391 | my $type = $replicatable_volumes->{$vol} ? 'local, replicated' : 'local'; |
6f58fce9 WB |
392 | my $ref = $local_volumes->{$vol}->{ref}; |
393 | if ($ref eq 'storage') { | |
b9f44d27 | 394 | $self->log('info', "found $type disk '$vol' (via storage)\n"); |
6f58fce9 | 395 | } elsif ($ref eq 'config') { |
dbc9420b DM |
396 | &$log_error("can't live migrate attached local disks without with-local-disks option\n", $vol) |
397 | if $self->{running} && !$self->{opts}->{"with-local-disks"}; | |
b9f44d27 | 398 | $self->log('info', "found $type disk '$vol' (in current VM config)\n"); |
6f58fce9 | 399 | } elsif ($ref eq 'snapshot') { |
b9f44d27 | 400 | $self->log('info', "found $type disk '$vol' (referenced by snapshot(s))\n"); |
9e93a63f ML |
401 | } elsif ($ref eq 'generated') { |
402 | $self->log('info', "found generated disk '$vol' (in current VM config)\n"); | |
d62fcf74 | 403 | } else { |
b9f44d27 | 404 | $self->log('info', "found $type disk '$vol'\n"); |
d62fcf74 FG |
405 | } |
406 | } | |
407 | ||
5bf7f0f1 FG |
408 | foreach my $vol (sort keys %$local_volumes_errors) { |
409 | $self->log('warn', "can't migrate local disk '$vol': $local_volumes_errors->{$vol}"); | |
410 | } | |
411 | foreach my $err (@$other_errors) { | |
412 | $self->log('warn', "$err"); | |
413 | } | |
414 | ||
5bf7f0f1 FG |
415 | if ($abort) { |
416 | die "can't migrate VM - check log\n"; | |
417 | } | |
418 | ||
c4d2d6c1 | 419 | # additional checks for local storage |
dabf2473 | 420 | foreach my $volid (keys %$local_volumes) { |
3ea94c60 | 421 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); |
b10afa31 | 422 | my $scfg = PVE::Storage::storage_config($storecfg, $sid); |
3ea94c60 | 423 | |
205dbf39 | 424 | my $migratable = $scfg->{type} =~ /^(?:dir|btrfs|zfspool|lvmthin|lvm)$/; |
c4d2d6c1 | 425 | |
37a6dc78 | 426 | die "can't migrate '$volid' - storage type '$scfg->{type}' not supported\n" |
c4d2d6c1 | 427 | if !$migratable; |
d5604092 | 428 | |
c4d2d6c1 | 429 | # image is a linked clone on local storage, se we can't migrate. |
b10afa31 | 430 | if (my $basename = (PVE::Storage::parse_volname($storecfg, $volid))[3]) { |
c4d2d6c1 | 431 | die "can't migrate '$volid' as it's a clone of '$basename'"; |
d5604092 | 432 | } |
3ea94c60 DM |
433 | } |
434 | ||
eb3acec8 | 435 | foreach my $volid (sort keys %$local_volumes) { |
9e93a63f ML |
436 | my $ref = $local_volumes->{$volid}->{ref}; |
437 | if ($self->{running} && $ref eq 'config') { | |
efe0d457 | 438 | $local_volumes->{$volid}->{migration_mode} = 'online'; |
ad8b9d5e | 439 | } elsif ($self->{running} && $ref eq 'generated') { |
104f47a9 | 440 | # offline migrate the cloud-init ISO and don't regenerate on VM start |
f9dde219 SR |
441 | # |
442 | # tpmstate will also be offline migrated first, and in case of | |
443 | # live migration then updated by QEMU/swtpm if necessary | |
104f47a9 | 444 | $local_volumes->{$volid}->{migration_mode} = 'offline'; |
b74cad8a | 445 | } else { |
d10b78f4 | 446 | $local_volumes->{$volid}->{migration_mode} = 'offline'; |
b74cad8a | 447 | } |
3ea94c60 DM |
448 | } |
449 | }; | |
d10b78f4 FE |
450 | die "Problem found while scanning volumes - $@" if $@; |
451 | } | |
452 | ||
a6be63ac FE |
453 | sub handle_replication { |
454 | my ($self, $vmid) = @_; | |
455 | ||
456 | my $conf = $self->{vmconf}; | |
457 | my $local_volumes = $self->{local_volumes}; | |
458 | ||
459 | return if !$self->{replication_jobcfg}; | |
460 | if ($self->{running}) { | |
461 | ||
462 | my $version = PVE::QemuServer::kvm_user_version(); | |
463 | if (!min_version($version, 4, 2)) { | |
464 | die "can't live migrate VM with replicated volumes, pve-qemu to old (< 4.2)!\n" | |
465 | } | |
466 | ||
467 | my @live_replicatable_volumes = $self->filter_local_volumes('online', 1); | |
468 | foreach my $volid (@live_replicatable_volumes) { | |
469 | my $drive = $local_volumes->{$volid}->{drivename}; | |
470 | die "internal error - no drive for '$volid'\n" if !defined($drive); | |
471 | ||
472 | my $bitmap = "repl_$drive"; | |
473 | ||
474 | # start tracking before replication to get full delta + a few duplicates | |
475 | $self->log('info', "$drive: start tracking writes using block-dirty-bitmap '$bitmap'"); | |
476 | mon_cmd($vmid, 'block-dirty-bitmap-add', node => "drive-$drive", name => $bitmap); | |
477 | ||
478 | # other info comes from target node in phase 2 | |
479 | $self->{target_drive}->{$drive}->{bitmap} = $bitmap; | |
480 | } | |
481 | } | |
482 | $self->log('info', "replicating disk images"); | |
483 | ||
484 | my $start_time = time(); | |
485 | my $logfunc = sub { $self->log('info', shift) }; | |
486 | my $actual_replicated_volumes = PVE::Replication::run_replication( | |
487 | 'PVE::QemuConfig', $self->{replication_jobcfg}, $start_time, $start_time, $logfunc); | |
488 | ||
489 | # extra safety check | |
490 | my @replicated_volumes = $self->filter_local_volumes(undef, 1); | |
491 | foreach my $volid (@replicated_volumes) { | |
492 | die "expected volume '$volid' to get replicated, but it wasn't\n" | |
493 | if !$actual_replicated_volumes->{$volid}; | |
494 | } | |
495 | } | |
496 | ||
3276a434 FE |
497 | sub config_update_local_disksizes { |
498 | my ($self) = @_; | |
499 | ||
500 | my $conf = $self->{vmconf}; | |
501 | my $local_volumes = $self->{local_volumes}; | |
502 | ||
503 | PVE::QemuConfig->foreach_volume($conf, sub { | |
504 | my ($key, $drive) = @_; | |
f9dde219 SR |
505 | # skip special disks, will be handled later |
506 | return if $key eq 'efidisk0'; | |
507 | return if $key eq 'tpmstate0'; | |
3276a434 FE |
508 | |
509 | my $volid = $drive->{file}; | |
510 | return if !defined($local_volumes->{$volid}); # only update sizes for local volumes | |
511 | ||
512 | my ($updated, $msg) = PVE::QemuServer::Drive::update_disksize($drive, $local_volumes->{$volid}->{size}); | |
513 | if (defined($updated)) { | |
514 | $conf->{$key} = PVE::QemuServer::print_drive($updated); | |
515 | $self->log('info', "drive '$key': $msg"); | |
516 | } | |
517 | }); | |
518 | ||
519 | # we want to set the efidisk size in the config to the size of the | |
520 | # real OVMF_VARS.fd image, else we can create a too big image, which does not work | |
521 | if (defined($conf->{efidisk0})) { | |
522 | PVE::QemuServer::update_efidisk_size($conf); | |
523 | } | |
f9dde219 SR |
524 | |
525 | # TPM state might have an irregular filesize, to avoid problems on transfer | |
526 | # we always assume the static size of 4M to allocate on the target | |
527 | if (defined($conf->{tpmstate0})) { | |
528 | PVE::QemuServer::update_tpmstate_size($conf); | |
529 | } | |
3276a434 FE |
530 | } |
531 | ||
d10b78f4 | 532 | sub filter_local_volumes { |
4b26ffbf | 533 | my ($self, $migration_mode, $replicated) = @_; |
d10b78f4 FE |
534 | |
535 | my $volumes = $self->{local_volumes}; | |
536 | my @filtered_volids; | |
537 | ||
538 | foreach my $volid (sort keys %{$volumes}) { | |
539 | next if defined($migration_mode) && safe_string_ne($volumes->{$volid}->{migration_mode}, $migration_mode); | |
4b26ffbf | 540 | next if defined($replicated) && safe_boolean_ne($volumes->{$volid}->{replicated}, $replicated); |
d10b78f4 FE |
541 | push @filtered_volids, $volid; |
542 | } | |
543 | ||
544 | return @filtered_volids; | |
545 | } | |
546 | ||
547 | sub sync_offline_local_volumes { | |
548 | my ($self) = @_; | |
549 | ||
550 | my $local_volumes = $self->{local_volumes}; | |
4b26ffbf | 551 | my @volids = $self->filter_local_volumes('offline', 0); |
d10b78f4 FE |
552 | |
553 | my $storecfg = $self->{storecfg}; | |
554 | my $opts = $self->{opts}; | |
555 | ||
556 | $self->log('info', "copying local disk images") if scalar(@volids); | |
557 | ||
558 | foreach my $volid (@volids) { | |
c3417e3b FE |
559 | my $targetsid = $local_volumes->{$volid}->{targetsid}; |
560 | my $bwlimit = $local_volumes->{$volid}->{bwlimit}; | |
561 | $bwlimit = $bwlimit * 1024 if defined($bwlimit); # storage_migrate uses bps | |
d10b78f4 FE |
562 | |
563 | my $storage_migrate_opts = { | |
564 | 'ratelimit_bps' => $bwlimit, | |
565 | 'insecure' => $opts->{migration_type} eq 'insecure', | |
566 | 'with_snapshots' => $local_volumes->{$volid}->{snapshots}, | |
567 | 'allow_rename' => !$local_volumes->{$volid}->{is_vmstate}, | |
568 | }; | |
569 | ||
570 | my $logfunc = sub { $self->log('info', $_[0]); }; | |
571 | my $new_volid = eval { | |
572 | PVE::Storage::storage_migrate($storecfg, $volid, $self->{ssh_info}, | |
573 | $targetsid, $storage_migrate_opts, $logfunc); | |
574 | }; | |
575 | if (my $err = $@) { | |
576 | die "storage migration for '$volid' to storage '$targetsid' failed - $err\n"; | |
577 | } | |
578 | ||
579 | $self->{volume_map}->{$volid} = $new_volid; | |
580 | $self->log('info', "volume '$volid' is '$new_volid' on the target\n"); | |
581 | ||
582 | eval { PVE::Storage::deactivate_volumes($storecfg, [$volid]); }; | |
583 | if (my $err = $@) { | |
584 | $self->log('warn', $err); | |
585 | } | |
586 | } | |
3ea94c60 DM |
587 | } |
588 | ||
b74cad8a AD |
589 | sub cleanup_remotedisks { |
590 | my ($self) = @_; | |
591 | ||
4b26ffbf FE |
592 | my $local_volumes = $self->{local_volumes}; |
593 | ||
eb5751ba | 594 | foreach my $volid (values %{$self->{volume_map}}) { |
9b6efe43 | 595 | # don't clean up replicated disks! |
4b26ffbf | 596 | next if $local_volumes->{$volid}->{replicated}; |
b74cad8a | 597 | |
eb5751ba | 598 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid); |
b74cad8a AD |
599 | |
600 | my $cmd = [@{$self->{rem_ssh}}, 'pvesm', 'free', "$storeid:$volname"]; | |
601 | ||
602 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
603 | if (my $err = $@) { | |
604 | $self->log('err', $err); | |
605 | $self->{errors} = 1; | |
606 | } | |
607 | } | |
608 | } | |
609 | ||
9b6efe43 FG |
610 | sub cleanup_bitmaps { |
611 | my ($self) = @_; | |
7f5fb49a | 612 | foreach my $drive (keys %{$self->{target_drive}}) { |
9b6efe43 FG |
613 | my $bitmap = $self->{target_drive}->{$drive}->{bitmap}; |
614 | next if !$bitmap; | |
615 | $self->log('info', "$drive: removing block-dirty-bitmap '$bitmap'"); | |
616 | mon_cmd($self->{vmid}, 'block-dirty-bitmap-remove', node => "drive-$drive", name => $bitmap); | |
617 | } | |
618 | } | |
619 | ||
1e3baf05 | 620 | sub phase1 { |
16e903f2 | 621 | my ($self, $vmid) = @_; |
1e3baf05 | 622 | |
16e903f2 | 623 | $self->log('info', "starting migration of VM $vmid to node '$self->{node}' ($self->{nodeip})"); |
1e3baf05 | 624 | |
16e903f2 | 625 | my $conf = $self->{vmconf}; |
1e3baf05 DM |
626 | |
627 | # set migrate lock in config file | |
1858638f | 628 | $conf->{lock} = 'migrate'; |
ffda963f | 629 | PVE::QemuConfig->write_config($vmid, $conf); |
1e3baf05 | 630 | |
d10b78f4 | 631 | $self->scan_local_volumes($vmid); |
3276a434 FE |
632 | |
633 | # fix disk sizes to match their actual size and write changes, | |
634 | # so that the target allocates the correct volumes | |
635 | $self->config_update_local_disksizes(); | |
68b108ee | 636 | PVE::QemuConfig->write_config($vmid, $conf); |
d10b78f4 | 637 | |
a6be63ac FE |
638 | $self->handle_replication($vmid); |
639 | ||
d10b78f4 | 640 | $self->sync_offline_local_volumes(); |
1e3baf05 DM |
641 | }; |
642 | ||
16e903f2 DM |
643 | sub phase1_cleanup { |
644 | my ($self, $vmid, $err) = @_; | |
645 | ||
646 | $self->log('info', "aborting phase 1 - cleanup resources"); | |
647 | ||
1858638f DM |
648 | my $conf = $self->{vmconf}; |
649 | delete $conf->{lock}; | |
ffda963f | 650 | eval { PVE::QemuConfig->write_config($vmid, $conf) }; |
16e903f2 DM |
651 | if (my $err = $@) { |
652 | $self->log('err', $err); | |
653 | } | |
f5eb281a | 654 | |
eb5751ba FE |
655 | eval { $self->cleanup_remotedisks() }; |
656 | if (my $err = $@) { | |
657 | $self->log('err', $err); | |
16e903f2 | 658 | } |
9b6efe43 FG |
659 | |
660 | eval { $self->cleanup_bitmaps() }; | |
661 | if (my $err =$@) { | |
662 | $self->log('err', $err); | |
663 | } | |
16e903f2 DM |
664 | } |
665 | ||
1e3baf05 | 666 | sub phase2 { |
16e903f2 | 667 | my ($self, $vmid) = @_; |
1e3baf05 | 668 | |
16e903f2 | 669 | my $conf = $self->{vmconf}; |
c3417e3b | 670 | my $local_volumes = $self->{local_volumes}; |
efe0d457 FE |
671 | my @online_local_volumes = $self->filter_local_volumes('online'); |
672 | ||
673 | $self->{storage_migration} = 1 if scalar(@online_local_volumes); | |
16e903f2 | 674 | |
46a84fd4 | 675 | $self->log('info', "starting VM $vmid on remote node '$self->{node}'"); |
1e3baf05 | 676 | |
5bc1e039 | 677 | my $raddr; |
1e3baf05 | 678 | my $rport; |
1c9d54bf | 679 | my $ruri; # the whole migration dst. URI (protocol:address[:port]) |
7e8dcf2c AD |
680 | my $nodename = PVE::INotify::nodename(); |
681 | ||
19672434 | 682 | ## start on remote node |
95a4b4a9 AD |
683 | my $cmd = [@{$self->{rem_ssh}}]; |
684 | ||
7c14dcae | 685 | my $spice_ticket; |
86b8228b | 686 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
0a13e08e | 687 | my $res = mon_cmd($vmid, 'query-spice'); |
7c14dcae | 688 | $spice_ticket = $res->{ticket}; |
95a4b4a9 AD |
689 | } |
690 | ||
1c9d54bf TL |
691 | push @$cmd , 'qm', 'start', $vmid, '--skiplock', '--migratedfrom', $nodename; |
692 | ||
f1c2a53a | 693 | my $migration_type = $self->{opts}->{migration_type}; |
2de2d6f7 TL |
694 | |
695 | push @$cmd, '--migration_type', $migration_type; | |
696 | ||
697 | push @$cmd, '--migration_network', $self->{opts}->{migration_network} | |
698 | if $self->{opts}->{migration_network}; | |
699 | ||
700 | if ($migration_type eq 'insecure') { | |
1c9d54bf TL |
701 | push @$cmd, '--stateuri', 'tcp'; |
702 | } else { | |
703 | push @$cmd, '--stateuri', 'unix'; | |
704 | } | |
95a4b4a9 | 705 | |
42668529 DM |
706 | if ($self->{forcemachine}) { |
707 | push @$cmd, '--machine', $self->{forcemachine}; | |
708 | } | |
709 | ||
58c64ad5 SR |
710 | if ($self->{forcecpu}) { |
711 | push @$cmd, '--force-cpu', $self->{forcecpu}; | |
712 | } | |
713 | ||
efe0d457 | 714 | if ($self->{storage_migration}) { |
4530494b | 715 | push @$cmd, '--targetstorage', ($self->{opts}->{targetstorage} // '1'); |
b74cad8a AD |
716 | } |
717 | ||
86b8228b | 718 | my $spice_port; |
ae194a5c | 719 | my $unix_socket_info = {}; |
7827de41 ML |
720 | # version > 0 for unix socket support |
721 | my $nbd_protocol_version = 1; | |
692f604b | 722 | my $input = "nbd_protocol_version: $nbd_protocol_version\n"; |
fd95d780 | 723 | |
13d121d7 FE |
724 | my @offline_local_volumes = $self->filter_local_volumes('offline'); |
725 | for my $volid (@offline_local_volumes) { | |
726 | my $drivename = $local_volumes->{$volid}->{drivename}; | |
727 | next if !$drivename || !$conf->{$drivename}; | |
728 | ||
729 | my $new_volid = $self->{volume_map}->{$volid}; | |
730 | next if !$new_volid || $volid eq $new_volid; | |
731 | ||
732 | # FIXME PVE 8.x only use offline_volume variant once all targets can handle it | |
733 | if ($drivename eq 'tpmstate0') { | |
734 | $input .= "$drivename: $new_volid\n" | |
735 | } else { | |
736 | $input .= "offline_volume: $drivename: $new_volid\n" | |
737 | } | |
fd95d780 FG |
738 | } |
739 | ||
692f604b | 740 | $input .= "spice_ticket: $spice_ticket\n" if $spice_ticket; |
cee620e6 | 741 | |
4b26ffbf FE |
742 | my @online_replicated_volumes = $self->filter_local_volumes('online', 1); |
743 | foreach my $volid (@online_replicated_volumes) { | |
efe0d457 | 744 | $input .= "replicated_volume: $volid\n"; |
88126be3 FG |
745 | } |
746 | ||
efbbe59d FE |
747 | my $handle_storage_migration_listens = sub { |
748 | my ($drive_key, $drivestr, $nbd_uri) = @_; | |
749 | ||
750 | $self->{stopnbd} = 1; | |
751 | $self->{target_drive}->{$drive_key}->{drivestr} = $drivestr; | |
752 | $self->{target_drive}->{$drive_key}->{nbd_uri} = $nbd_uri; | |
753 | ||
754 | my $source_drive = PVE::QemuServer::parse_drive($drive_key, $conf->{$drive_key}); | |
755 | my $target_drive = PVE::QemuServer::parse_drive($drive_key, $drivestr); | |
756 | my $source_volid = $source_drive->{file}; | |
757 | my $target_volid = $target_drive->{file}; | |
758 | ||
759 | $self->{volume_map}->{$source_volid} = $target_volid; | |
760 | $self->log('info', "volume '$source_volid' is '$target_volid' on the target\n"); | |
761 | }; | |
762 | ||
88126be3 | 763 | my $target_replicated_volumes = {}; |
86b8228b | 764 | |
7c14dcae DM |
765 | # Note: We try to keep $spice_ticket secret (do not pass via command line parameter) |
766 | # instead we pipe it through STDIN | |
7827de41 | 767 | my $exitcode = PVE::Tools::run_command($cmd, input => $input, outfunc => sub { |
1e3baf05 DM |
768 | my $line = shift; |
769 | ||
407e0b8b | 770 | if ($line =~ m/^migration listens on tcp:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+)$/) { |
5bc1e039 SP |
771 | $raddr = $1; |
772 | $rport = int($2); | |
1c9d54bf TL |
773 | $ruri = "tcp:$raddr:$rport"; |
774 | } | |
775 | elsif ($line =~ m!^migration listens on unix:(/run/qemu-server/(\d+)\.migrate)$!) { | |
776 | $raddr = $1; | |
777 | die "Destination UNIX sockets VMID does not match source VMID" if $vmid ne $2; | |
778 | $ruri = "unix:$raddr"; | |
5bc1e039 SP |
779 | } |
780 | elsif ($line =~ m/^migration listens on port (\d+)$/) { | |
781 | $raddr = "localhost"; | |
86b8228b | 782 | $rport = int($1); |
1c9d54bf | 783 | $ruri = "tcp:$raddr:$rport"; |
5bc1e039 | 784 | } |
f3a483b6 | 785 | elsif ($line =~ m/^spice listens on port (\d+)$/) { |
86b8228b | 786 | $spice_port = int($1); |
1e3baf05 | 787 | } |
769f187d | 788 | elsif ($line =~ m/^storage migration listens on nbd:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+):exportname=(\S+) volume:(\S+)$/) { |
8b02e568 | 789 | my $drivestr = $4; |
b74cad8a AD |
790 | my $nbd_uri = "nbd:$1:$2:exportname=$3"; |
791 | my $targetdrive = $3; | |
792 | $targetdrive =~ s/drive-//g; | |
793 | ||
efbbe59d | 794 | $handle_storage_migration_listens->($targetdrive, $drivestr, $nbd_uri); |
7827de41 ML |
795 | } elsif ($line =~ m!^storage migration listens on nbd:unix:(/run/qemu-server/(\d+)_nbd\.migrate):exportname=(\S+) volume:(\S+)$!) { |
796 | my $drivestr = $4; | |
797 | die "Destination UNIX socket's VMID does not match source VMID" if $vmid ne $2; | |
798 | my $nbd_unix_addr = $1; | |
799 | my $nbd_uri = "nbd:unix:$nbd_unix_addr:exportname=$3"; | |
800 | my $targetdrive = $3; | |
801 | $targetdrive =~ s/drive-//g; | |
b74cad8a | 802 | |
efbbe59d | 803 | $handle_storage_migration_listens->($targetdrive, $drivestr, $nbd_uri); |
ae194a5c | 804 | $unix_socket_info->{$nbd_unix_addr} = 1; |
88126be3 FG |
805 | } elsif ($line =~ m/^re-using replicated volume: (\S+) - (.*)$/) { |
806 | my $drive = $1; | |
807 | my $volid = $2; | |
808 | $target_replicated_volumes->{$volid} = $drive; | |
8bf30c2a SR |
809 | } elsif ($line =~ m/^QEMU: (.*)$/) { |
810 | $self->log('info', "[$self->{node}] $1\n"); | |
b74cad8a | 811 | } |
ab399b7c AD |
812 | }, errfunc => sub { |
813 | my $line = shift; | |
8bf30c2a | 814 | $self->log('info', "[$self->{node}] $line"); |
6e0216d8 SR |
815 | }, noerr => 1); |
816 | ||
817 | die "remote command failed with exit code $exitcode\n" if $exitcode; | |
1e3baf05 | 818 | |
5bc1e039 | 819 | die "unable to detect remote migration address\n" if !$raddr; |
1ef75254 | 820 | |
4b26ffbf | 821 | if (scalar(keys %$target_replicated_volumes) != scalar(@online_replicated_volumes)) { |
88126be3 FG |
822 | die "number of replicated disks on source and target node do not match - target node too old?\n" |
823 | } | |
824 | ||
d296ed08 | 825 | $self->log('info', "start remote tunnel"); |
7d730f95 | 826 | $self->start_remote_tunnel($raddr, $rport, $ruri, $unix_socket_info); |
d296ed08 | 827 | |
efe0d457 | 828 | if ($self->{storage_migration}) { |
b74cad8a AD |
829 | $self->{storage_migration_jobs} = {}; |
830 | $self->log('info', "starting storage migration"); | |
831 | ||
bd2d5fe6 | 832 | die "The number of local disks does not match between the source and the destination.\n" |
efe0d457 | 833 | if (scalar(keys %{$self->{target_drive}}) != scalar(@online_local_volumes)); |
b74cad8a | 834 | foreach my $drive (keys %{$self->{target_drive}}){ |
d189e590 SI |
835 | my $target = $self->{target_drive}->{$drive}; |
836 | my $nbd_uri = $target->{nbd_uri}; | |
683ab654 | 837 | |
1764fa05 | 838 | my $source_drive = PVE::QemuServer::parse_drive($drive, $conf->{$drive}); |
97ece9dd | 839 | my $source_volid = $source_drive->{file}; |
97ece9dd | 840 | |
c3417e3b | 841 | my $bwlimit = $local_volumes->{$source_volid}->{bwlimit}; |
9b6efe43 | 842 | my $bitmap = $target->{bitmap}; |
d189e590 | 843 | |
d108cb1e | 844 | $self->log('info', "$drive: start migration to $nbd_uri"); |
9b6efe43 | 845 | PVE::QemuServer::qemu_drive_mirror($vmid, $drive, $nbd_uri, $vmid, undef, $self->{storage_migration_jobs}, 'skip', undef, $bwlimit, $bitmap); |
b74cad8a AD |
846 | } |
847 | } | |
848 | ||
1c9d54bf | 849 | $self->log('info', "starting online/live migration on $ruri"); |
5bc1e039 | 850 | $self->{livemigration} = 1; |
e18b0b99 | 851 | |
3beb415b AD |
852 | # load_defaults |
853 | my $defaults = PVE::QemuServer::load_defaults(); | |
854 | ||
7de328c6 TL |
855 | $self->log('info', "set migration capabilities"); |
856 | eval { PVE::QemuServer::set_migration_caps($vmid) }; | |
485449e3 SR |
857 | warn $@ if $@; |
858 | ||
859 | my $qemu_migrate_params = {}; | |
860 | ||
ddd664d7 SI |
861 | # migrate speed can be set via bwlimit (datacenter.cfg and API) and via the |
862 | # migrate_speed parameter in qm.conf - take the lower of the two. | |
c3417e3b | 863 | my $bwlimit = PVE::Storage::get_bandwidth_limit('migration', undef, $self->{opts}->{bwlimit}) // 0; |
2c4ba4c3 | 864 | my $migrate_speed = $conf->{migrate_speed} // 0; |
8f43ac48 | 865 | $migrate_speed *= 1024; # migrate_speed is in MB/s, bwlimit in KB/s |
ddd664d7 | 866 | |
2c4ba4c3 FE |
867 | if ($bwlimit && $migrate_speed) { |
868 | $migrate_speed = ($bwlimit < $migrate_speed) ? $bwlimit : $migrate_speed; | |
869 | } else { | |
870 | $migrate_speed ||= $bwlimit; | |
871 | } | |
a89bd100 | 872 | $migrate_speed ||= ($defaults->{migrate_speed} || 0) * 1024; |
ddd664d7 | 873 | |
a89bd100 TL |
874 | if ($migrate_speed) { |
875 | $migrate_speed *= 1024; # qmp takes migrate_speed in B/s. | |
0fca250a | 876 | $self->log('info', "migration speed limit: ". render_bytes($migrate_speed, 1) ."/s"); |
8f43ac48 TL |
877 | } else { |
878 | # always set migrate speed as QEMU default to 128 MiBps == 1 Gbps, use 16 GiBps == 128 Gbps | |
879 | $migrate_speed = (16 << 30); | |
a89bd100 | 880 | } |
8f43ac48 | 881 | $qemu_migrate_params->{'max-bandwidth'} = int($migrate_speed); |
3beb415b AD |
882 | |
883 | my $migrate_downtime = $defaults->{migrate_downtime}; | |
884 | $migrate_downtime = $conf->{migrate_downtime} if defined($conf->{migrate_downtime}); | |
c05f1b33 SR |
885 | # migrate-set-parameters expects limit in ms |
886 | $migrate_downtime *= 1000; | |
887 | $self->log('info', "migration downtime limit: $migrate_downtime ms"); | |
888 | $qemu_migrate_params->{'downtime-limit'} = int($migrate_downtime); | |
3beb415b | 889 | |
171ed95c EK |
890 | # set cachesize to 10% of the total memory |
891 | my $memory = $conf->{memory} || $defaults->{memory}; | |
892 | my $cachesize = int($memory * 1048576 / 10); | |
50d8dd5d AD |
893 | $cachesize = round_powerof2($cachesize); |
894 | ||
0fca250a | 895 | $self->log('info', "migration cachesize: " . render_bytes($cachesize, 1)); |
485449e3 SR |
896 | $qemu_migrate_params->{'xbzrle-cache-size'} = int($cachesize); |
897 | ||
898 | $self->log('info', "set migration parameters"); | |
e18b0b99 | 899 | eval { |
485449e3 | 900 | mon_cmd($vmid, "migrate-set-parameters", %{$qemu_migrate_params}); |
e18b0b99 | 901 | }; |
485449e3 | 902 | $self->log('info', "migrate-set-parameters error: $@") if $@; |
f34d1466 | 903 | |
86b8228b | 904 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { |
95a4b4a9 AD |
905 | my $rpcenv = PVE::RPCEnvironment::get(); |
906 | my $authuser = $rpcenv->get_user(); | |
907 | ||
86b8228b | 908 | my (undef, $proxyticket) = PVE::AccessControl::assemble_spice_ticket($authuser, $vmid, $self->{node}); |
95a4b4a9 | 909 | |
86b8228b | 910 | my $filename = "/etc/pve/nodes/$self->{node}/pve-ssl.pem"; |
769f187d | 911 | my $subject = PVE::AccessControl::read_x509_subject_spice($filename); |
95a4b4a9 AD |
912 | |
913 | $self->log('info', "spice client_migrate_info"); | |
914 | ||
915 | eval { | |
0a13e08e | 916 | mon_cmd($vmid, "client_migrate_info", protocol => 'spice', |
ccab68c2 | 917 | hostname => $proxyticket, 'port' => 0, 'tls-port' => $spice_port, |
86b8228b | 918 | 'cert-subject' => $subject); |
95a4b4a9 AD |
919 | }; |
920 | $self->log('info', "client_migrate_info error: $@") if $@; | |
921 | ||
922 | } | |
923 | ||
9938d24d FE |
924 | my $start = time(); |
925 | ||
f34d1466 | 926 | $self->log('info', "start migrate command to $ruri"); |
5a7835f5 | 927 | eval { |
0a13e08e | 928 | mon_cmd($vmid, "migrate", uri => $ruri); |
5a7835f5 AD |
929 | }; |
930 | my $merr = $@; | |
1c9d54bf | 931 | $self->log('info', "migrate uri => $ruri failed: $merr") if $merr; |
1e3baf05 | 932 | |
e693c491 | 933 | my $last_mem_transferred = 0; |
4305207d | 934 | my $usleep = 1000000; |
e52bd94c | 935 | my $i = 0; |
b0b756c1 | 936 | my $err_count = 0; |
865ef132 SP |
937 | my $lastrem = undef; |
938 | my $downtimecounter = 0; | |
1e3baf05 | 939 | while (1) { |
e52bd94c | 940 | $i++; |
e693c491 | 941 | my $avglstat = $last_mem_transferred ? $last_mem_transferred / $i : 0; |
e52bd94c | 942 | |
b0b756c1 | 943 | usleep($usleep); |
6539865a TL |
944 | |
945 | my $stat = eval { mon_cmd($vmid, "query-migrate") }; | |
b0b756c1 DM |
946 | if (my $err = $@) { |
947 | $err_count++; | |
948 | warn "query migrate failed: $err\n"; | |
f34d1466 | 949 | $self->log('info', "query migrate failed: $err"); |
b0b756c1 | 950 | if ($err_count <= 5) { |
6539865a | 951 | usleep(1_000_000); |
b0b756c1 DM |
952 | next; |
953 | } | |
954 | die "too many query migrate failures - aborting\n"; | |
955 | } | |
985a5f48 | 956 | |
6539865a TL |
957 | my $status = $stat->{status}; |
958 | if (defined($status) && $status =~ m/^(setup)$/im) { | |
959 | sleep(1); | |
960 | next; | |
961 | } | |
f5eb281a | 962 | |
6539865a TL |
963 | if (!defined($status) || $status !~ m/^(active|completed|failed|cancelled)$/im) { |
964 | die $merr if $merr; | |
965 | die "unable to parse migration status '$status' - aborting\n"; | |
966 | } | |
967 | $merr = undef; | |
968 | $err_count = 0; | |
969 | ||
e693c491 TL |
970 | my $memstat = $stat->{ram}; |
971 | ||
6539865a TL |
972 | if ($status eq 'completed') { |
973 | my $delay = time() - $start; | |
974 | if ($delay > 0) { | |
0fca250a TL |
975 | my $total = $memstat->{total} || 0; |
976 | my $avg_speed = render_bytes($total / $delay, 1); | |
6539865a | 977 | my $downtime = $stat->{downtime} || 0; |
0fca250a | 978 | $self->log('info', "average migration speed: $avg_speed/s - downtime $downtime ms"); |
1e3baf05 | 979 | } |
6539865a | 980 | } |
1e3baf05 | 981 | |
6539865a TL |
982 | if ($status eq 'failed' || $status eq 'cancelled') { |
983 | $self->log('info', "migration status error: $status"); | |
984 | die "aborting\n" | |
985 | } | |
a05b47a8 | 986 | |
6539865a TL |
987 | if ($status ne 'active') { |
988 | $self->log('info', "migration status: $status"); | |
989 | last; | |
990 | } | |
2e787b18 | 991 | |
e693c491 TL |
992 | if ($memstat->{transferred} ne $last_mem_transferred) { |
993 | my $trans = $memstat->{transferred} || 0; | |
994 | my $rem = $memstat->{remaining} || 0; | |
995 | my $total = $memstat->{total} || 0; | |
0fca250a TL |
996 | my $speed = ($memstat->{'pages-per-second'} // 0) * ($memstat->{'page-size'} // 0); |
997 | my $dirty_rate = ($memstat->{'dirty-pages-rate'} // 0) * ($memstat->{'page-size'} // 0); | |
a05b47a8 | 998 | |
6539865a TL |
999 | # reduce sleep if remainig memory is lower than the average transfer speed |
1000 | $usleep = 100_000 if $avglstat && $rem < $avglstat; | |
865ef132 | 1001 | |
b68a957b TL |
1002 | # also reduce loggin if we poll more frequent |
1003 | my $should_log = $usleep > 100_000 ? 1 : ($i % 10) == 0; | |
370b05e7 | 1004 | |
0fca250a TL |
1005 | my $total_h = render_bytes($total, 1); |
1006 | my $transferred_h = render_bytes($trans, 1); | |
1007 | my $speed_h = render_bytes($speed, 1); | |
1008 | ||
1009 | my $progress = "transferred $transferred_h of $total_h VM-state, ${speed_h}/s"; | |
1010 | ||
1011 | if ($dirty_rate > $speed) { | |
1012 | my $dirty_rate_h = render_bytes($dirty_rate, 1); | |
1013 | $progress .= ", VM dirties lots of memory: $dirty_rate_h/s"; | |
1014 | } | |
1015 | ||
b68a957b | 1016 | $self->log('info', "migration $status, $progress") if $should_log; |
0fca250a TL |
1017 | |
1018 | my $xbzrle = $stat->{"xbzrle-cache"} || {}; | |
1019 | my ($xbzrlebytes, $xbzrlepages) = $xbzrle->@{'bytes', 'pages'}; | |
1020 | if ($xbzrlebytes || $xbzrlepages) { | |
1021 | my $bytes_h = render_bytes($xbzrlebytes, 1); | |
1022 | ||
1023 | my $msg = "send updates to $xbzrlepages pages in $bytes_h encoded memory"; | |
1024 | ||
1025 | $msg .= sprintf(", cache-miss %.2f%%", $xbzrle->{'cache-miss-rate'} * 100) | |
1026 | if $xbzrle->{'cache-miss-rate'}; | |
1027 | ||
1028 | $msg .= ", overflow $xbzrle->{overflow}" if $xbzrle->{overflow}; | |
1029 | ||
b68a957b | 1030 | $self->log('info', "xbzrle: $msg") if $should_log; |
6539865a TL |
1031 | } |
1032 | ||
e693c491 | 1033 | if (($lastrem && $rem > $lastrem) || ($rem == 0)) { |
6539865a TL |
1034 | $downtimecounter++; |
1035 | } | |
1036 | $lastrem = $rem; | |
1037 | ||
1038 | if ($downtimecounter > 5) { | |
1039 | $downtimecounter = 0; | |
1040 | $migrate_downtime *= 2; | |
1041 | $self->log('info', "auto-increased downtime to continue migration: $migrate_downtime ms"); | |
1042 | eval { | |
1043 | # migrate-set-parameters does not touch values not | |
1044 | # specified, so this only changes downtime-limit | |
1045 | mon_cmd($vmid, "migrate-set-parameters", 'downtime-limit' => int($migrate_downtime)); | |
1046 | }; | |
1047 | $self->log('info', "migrate-set-parameters error: $@") if $@; | |
1048 | } | |
1e3baf05 | 1049 | } |
6539865a | 1050 | |
e693c491 | 1051 | $last_mem_transferred = $memstat->{transferred}; |
a05b47a8 | 1052 | } |
0783c3c2 FE |
1053 | |
1054 | if ($self->{storage_migration}) { | |
1055 | # finish block-job with block-job-cancel, to disconnect source VM from NBD | |
1056 | # to avoid it trying to re-establish it. We are in blockjob ready state, | |
1057 | # thus, this command changes to it to blockjob complete (see qapi docs) | |
1058 | eval { PVE::QemuServer::qemu_drive_mirror_monitor($vmid, undef, $self->{storage_migration_jobs}, 'cancel'); }; | |
1059 | if (my $err = $@) { | |
1060 | die "Failed to complete storage migration: $err\n"; | |
1061 | } | |
1062 | } | |
1e3baf05 | 1063 | } |
16e903f2 | 1064 | |
c04b5b04 AD |
1065 | sub phase2_cleanup { |
1066 | my ($self, $vmid, $err) = @_; | |
1067 | ||
af30308f DM |
1068 | return if !$self->{errors}; |
1069 | $self->{phase2errors} = 1; | |
1070 | ||
c04b5b04 AD |
1071 | $self->log('info', "aborting phase 2 - cleanup resources"); |
1072 | ||
19168b91 SP |
1073 | $self->log('info', "migrate_cancel"); |
1074 | eval { | |
0a13e08e | 1075 | mon_cmd($vmid, "migrate_cancel"); |
19168b91 SP |
1076 | }; |
1077 | $self->log('info', "migrate_cancel error: $@") if $@; | |
1078 | ||
8a0d269b FE |
1079 | my $vm_status = eval { |
1080 | mon_cmd($vmid, 'query-status')->{status} or die "no 'status' in result\n"; | |
1081 | }; | |
1082 | $self->log('err', "query-status error: $@") if $@; | |
1083 | ||
1084 | # Can end up in POSTMIGRATE state if failure occurred after convergence. Try going back to | |
1085 | # original state. Unfortunately, direct transition from POSTMIGRATE to PAUSED is not possible. | |
1086 | if ($vm_status && $vm_status eq 'postmigrate') { | |
1087 | if (!$self->{vm_was_paused}) { | |
1088 | eval { mon_cmd($vmid, 'cont'); }; | |
1089 | $self->log('err', "resuming VM failed: $@") if $@; | |
1090 | } else { | |
1091 | $self->log('err', "VM was paused, but ended in postmigrate state"); | |
1092 | } | |
1093 | } | |
1094 | ||
c04b5b04 AD |
1095 | my $conf = $self->{vmconf}; |
1096 | delete $conf->{lock}; | |
ffda963f | 1097 | eval { PVE::QemuConfig->write_config($vmid, $conf) }; |
c04b5b04 AD |
1098 | if (my $err = $@) { |
1099 | $self->log('err', $err); | |
1100 | } | |
1101 | ||
af30308f | 1102 | # cleanup ressources on target host |
3b4cf0f0 | 1103 | if ($self->{storage_migration}) { |
b74cad8a AD |
1104 | eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $self->{storage_migration_jobs}) }; |
1105 | if (my $err = $@) { | |
1106 | $self->log('err', $err); | |
1107 | } | |
9b3f5a5c | 1108 | } |
b74cad8a | 1109 | |
9b3f5a5c FG |
1110 | eval { $self->cleanup_bitmaps() }; |
1111 | if (my $err =$@) { | |
1112 | $self->log('err', $err); | |
b74cad8a AD |
1113 | } |
1114 | ||
af30308f | 1115 | my $nodename = PVE::INotify::nodename(); |
370b05e7 | 1116 | |
af30308f DM |
1117 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'stop', $vmid, '--skiplock', '--migratedfrom', $nodename]; |
1118 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
1119 | if (my $err = $@) { | |
1120 | $self->log('err', $err); | |
1121 | $self->{errors} = 1; | |
1122 | } | |
386c6ba7 | 1123 | |
9b3f5a5c FG |
1124 | # cleanup after stopping, otherwise disks might be in-use by target VM! |
1125 | eval { PVE::QemuMigrate::cleanup_remotedisks($self) }; | |
1126 | if (my $err = $@) { | |
1127 | $self->log('err', $err); | |
1128 | } | |
1129 | ||
1130 | ||
386c6ba7 | 1131 | if ($self->{tunnel}) { |
e594231b | 1132 | eval { PVE::Tunnel::finish_tunnel($self->{tunnel}); }; |
386c6ba7 WL |
1133 | if (my $err = $@) { |
1134 | $self->log('err', $err); | |
1135 | $self->{errors} = 1; | |
1136 | } | |
1137 | } | |
c04b5b04 AD |
1138 | } |
1139 | ||
16e903f2 DM |
1140 | sub phase3 { |
1141 | my ($self, $vmid) = @_; | |
f5eb281a | 1142 | |
ad8b9d5e | 1143 | return; |
16e903f2 DM |
1144 | } |
1145 | ||
1146 | sub phase3_cleanup { | |
1147 | my ($self, $vmid, $err) = @_; | |
1148 | ||
1149 | my $conf = $self->{vmconf}; | |
af30308f | 1150 | return if $self->{phase2errors}; |
16e903f2 | 1151 | |
1d5aaa1d FG |
1152 | my $tunnel = $self->{tunnel}; |
1153 | ||
97ece9dd | 1154 | if ($self->{volume_map}) { |
38311a1d TL |
1155 | my $target_drives = $self->{target_drive}; |
1156 | ||
1157 | # FIXME: for NBD storage migration we now only update the volid, and | |
1158 | # not the full drivestr from the target node. Workaround that until we | |
1159 | # got some real rescan, to avoid things like wrong format in the drive | |
1160 | delete $conf->{$_} for keys %$target_drives; | |
97ece9dd | 1161 | PVE::QemuConfig->update_volume_ids($conf, $self->{volume_map}); |
38311a1d TL |
1162 | |
1163 | for my $drive (keys %$target_drives) { | |
1164 | $conf->{$drive} = $target_drives->{$drive}->{drivestr}; | |
1165 | } | |
37666e4c FE |
1166 | PVE::QemuConfig->write_config($vmid, $conf); |
1167 | } | |
1168 | ||
dbc9420b | 1169 | # transfer replication state before move config |
c2c96d73 | 1170 | $self->transfer_replication_state() if $self->{is_replicated}; |
27fa645e | 1171 | PVE::QemuConfig->move_config_to_node($vmid, $self->{node}); |
c2c96d73 | 1172 | $self->switch_replication_job_target() if $self->{is_replicated}; |
dbc9420b | 1173 | |
5bc1e039 | 1174 | if ($self->{livemigration}) { |
3e802221 TL |
1175 | if ($self->{stopnbd}) { |
1176 | $self->log('info', "stopping NBD storage migration server on target."); | |
504105c6 FG |
1177 | # stop nbd server on remote vm - requirement for resume since 2.9 |
1178 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'nbdstop', $vmid]; | |
1179 | ||
1180 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
1181 | if (my $err = $@) { | |
1182 | $self->log('err', $err); | |
1183 | $self->{errors} = 1; | |
1184 | } | |
1185 | } | |
1d5aaa1d | 1186 | |
73ed6496 AD |
1187 | # deletes local FDB entries if learning is disabled, they'll be re-added on target on resume |
1188 | PVE::QemuServer::del_nets_bridge_fdb($conf, $vmid); | |
1189 | ||
a183576e FE |
1190 | if (!$self->{vm_was_paused}) { |
1191 | # config moved and nbd server stopped - now we can resume vm on target | |
1192 | if ($tunnel && $tunnel->{version} && $tunnel->{version} >= 1) { | |
1193 | eval { | |
1194 | PVE::Tunnel::write_tunnel($tunnel, 30, "resume $vmid"); | |
1195 | }; | |
1196 | if (my $err = $@) { | |
1197 | $self->log('err', $err); | |
1198 | $self->{errors} = 1; | |
1199 | } | |
1200 | } else { | |
1201 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'resume', $vmid, '--skiplock', '--nocheck']; | |
1202 | my $logf = sub { | |
1203 | my $line = shift; | |
1204 | $self->log('err', $line); | |
1205 | }; | |
1206 | eval { PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => $logf); }; | |
1207 | if (my $err = $@) { | |
1208 | $self->log('err', $err); | |
1209 | $self->{errors} = 1; | |
1210 | } | |
1d5aaa1d | 1211 | } |
0028391f | 1212 | } |
ca662131 | 1213 | |
0028391f FE |
1214 | if ( |
1215 | $self->{storage_migration} | |
1216 | && PVE::QemuServer::parse_guest_agent($conf)->{fstrim_cloned_disks} | |
1217 | && $self->{running} | |
1218 | ) { | |
1219 | if (!$self->{vm_was_paused}) { | |
1220 | $self->log('info', "issuing guest fstrim"); | |
a183576e | 1221 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'guest', 'cmd', $vmid, 'fstrim']; |
0028391f FE |
1222 | eval { PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; |
1223 | if (my $err = $@) { | |
1224 | $self->log('err', "fstrim failed - $err"); | |
1225 | $self->{errors} = 1; | |
1226 | } | |
1227 | } else { | |
1228 | $self->log('info', "skipping guest fstrim, because VM is paused"); | |
a183576e | 1229 | } |
ca662131 | 1230 | } |
b67900f1 AD |
1231 | } |
1232 | ||
2e7fee87 FG |
1233 | # close tunnel on successful migration, on error phase2_cleanup closed it |
1234 | if ($tunnel) { | |
e594231b | 1235 | eval { PVE::Tunnel::finish_tunnel($tunnel); }; |
2e7fee87 FG |
1236 | if (my $err = $@) { |
1237 | $self->log('err', $err); | |
1238 | $self->{errors} = 1; | |
1239 | } | |
1240 | } | |
1241 | ||
fd8469f7 | 1242 | eval { |
fd8469f7 AD |
1243 | my $timer = 0; |
1244 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga}) && $self->{running}) { | |
1245 | $self->log('info', "Waiting for spice server migration"); | |
1246 | while (1) { | |
0a13e08e | 1247 | my $res = mon_cmd($vmid, 'query-spice'); |
fd8469f7 AD |
1248 | last if int($res->{'migrated'}) == 1; |
1249 | last if $timer > 50; | |
1250 | $timer ++; | |
1251 | usleep(200000); | |
769f187d | 1252 | } |
fd8469f7 AD |
1253 | } |
1254 | }; | |
95a4b4a9 | 1255 | |
16e903f2 DM |
1256 | # always stop local VM |
1257 | eval { PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, 1, 1); }; | |
1258 | if (my $err = $@) { | |
1259 | $self->log('err', "stopping vm failed - $err"); | |
1260 | $self->{errors} = 1; | |
1261 | } | |
1262 | ||
1263 | # always deactivate volumes - avoid lvm LVs to be active on several nodes | |
1264 | eval { | |
1265 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); | |
1266 | PVE::Storage::deactivate_volumes($self->{storecfg}, $vollist); | |
1267 | }; | |
1268 | if (my $err = $@) { | |
1269 | $self->log('err', $err); | |
1270 | $self->{errors} = 1; | |
1271 | } | |
1272 | ||
4b26ffbf | 1273 | my @not_replicated_volumes = $self->filter_local_volumes(undef, 0); |
9b6efe43 | 1274 | |
4b26ffbf FE |
1275 | # destroy local copies |
1276 | foreach my $volid (@not_replicated_volumes) { | |
ad8b9d5e FE |
1277 | eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); }; |
1278 | if (my $err = $@) { | |
1279 | $self->log('err', "removing local copy of '$volid' failed - $err"); | |
1280 | $self->{errors} = 1; | |
1281 | last if $err =~ /^interrupted by signal$/; | |
b74cad8a | 1282 | } |
b74cad8a AD |
1283 | } |
1284 | ||
16e903f2 DM |
1285 | # clear migrate lock |
1286 | my $cmd = [ @{$self->{rem_ssh}}, 'qm', 'unlock', $vmid ]; | |
1287 | $self->cmd_logerr($cmd, errmsg => "failed to clear migrate lock"); | |
1288 | } | |
1289 | ||
1290 | sub final_cleanup { | |
1291 | my ($self, $vmid) = @_; | |
1292 | ||
1293 | # nothing to do | |
1294 | } | |
1295 | ||
50d8dd5d AD |
1296 | sub round_powerof2 { |
1297 | return 1 if $_[0] < 2; | |
1298 | return 2 << int(log($_[0]-1)/log(2)); | |
1299 | } | |
1300 | ||
16e903f2 | 1301 | 1; |