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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; |
6d7450cb TL |
8 | use Time::HiRes qw( usleep ); |
9 | ||
46e0b1eb | 10 | use PVE::AccessControl; |
3ea94c60 | 11 | use PVE::Cluster; |
eef93bc5 | 12 | use PVE::Format qw(render_bytes); |
4b26ffbf | 13 | use PVE::GuestHelpers qw(safe_boolean_ne safe_string_ne); |
6d7450cb | 14 | use PVE::INotify; |
46e0b1eb | 15 | use PVE::JSONSchema; |
6d7450cb TL |
16 | use PVE::RPCEnvironment; |
17 | use PVE::Replication; | |
18 | use PVE::ReplicationConfig; | |
19 | use PVE::ReplicationState; | |
46e0b1eb | 20 | use PVE::Storage::Plugin; |
1e3baf05 | 21 | use PVE::Storage; |
eef93bc5 | 22 | use PVE::StorageTunnel; |
6d7450cb | 23 | use PVE::Tools; |
e594231b | 24 | use PVE::Tunnel; |
6d7450cb | 25 | |
912792e2 | 26 | use PVE::QemuConfig; |
58c64ad5 | 27 | use PVE::QemuServer::CPUConfig; |
e0fd2b2f | 28 | use PVE::QemuServer::Drive; |
28e6e180 | 29 | use PVE::QemuServer::Helpers qw(min_version); |
3392d6ca | 30 | use PVE::QemuServer::Machine; |
0a13e08e | 31 | use PVE::QemuServer::Monitor qw(mon_cmd); |
7f8c8087 | 32 | use PVE::QemuServer::Memory qw(get_current_memory); |
6d7450cb | 33 | use PVE::QemuServer; |
1e3baf05 | 34 | |
6d7450cb | 35 | use PVE::AbstractMigrate; |
16e903f2 | 36 | use base qw(PVE::AbstractMigrate); |
1e3baf05 | 37 | |
eef93bc5 FG |
38 | # compared against remote end's minimum version |
39 | our $WS_TUNNEL_VERSION = 2; | |
40 | ||
1e3baf05 | 41 | sub fork_tunnel { |
ae194a5c | 42 | my ($self, $ssh_forward_info) = @_; |
1e3baf05 | 43 | |
e594231b FG |
44 | my $cmd = ['/usr/sbin/qm', 'mtunnel']; |
45 | my $log = sub { | |
46 | my ($level, $msg) = @_; | |
47 | $self->log($level, $msg); | |
1e3baf05 | 48 | }; |
1c9d54bf | 49 | |
e594231b | 50 | return PVE::Tunnel::fork_ssh_tunnel($self->{rem_ssh}, $cmd, $ssh_forward_info, $log); |
1e3baf05 DM |
51 | } |
52 | ||
eef93bc5 FG |
53 | sub fork_websocket_tunnel { |
54 | my ($self, $storages, $bridges) = @_; | |
55 | ||
56 | my $remote = $self->{opts}->{remote}; | |
57 | my $conn = $remote->{conn}; | |
58 | ||
59 | my $log = sub { | |
60 | my ($level, $msg) = @_; | |
61 | $self->log($level, $msg); | |
62 | }; | |
63 | ||
64 | my $websocket_url = "https://$conn->{host}:$conn->{port}/api2/json/nodes/$self->{node}/qemu/$remote->{vmid}/mtunnelwebsocket"; | |
65 | my $url = "/nodes/$self->{node}/qemu/$remote->{vmid}/mtunnel"; | |
66 | ||
67 | my $tunnel_params = { | |
68 | url => $websocket_url, | |
69 | }; | |
70 | ||
71 | my $storage_list = join(',', keys %$storages); | |
72 | my $bridge_list = join(',', keys %$bridges); | |
73 | ||
74 | my $req_params = { | |
75 | storages => $storage_list, | |
76 | bridges => $bridge_list, | |
77 | }; | |
78 | ||
79 | return PVE::Tunnel::fork_websocket_tunnel($conn, $url, $req_params, $tunnel_params, $log); | |
80 | } | |
81 | ||
05b2a4ae FG |
82 | # tunnel_info: |
83 | # proto: unix (secure) or tcp (insecure/legacy compat) | |
84 | # addr: IP or UNIX socket path | |
85 | # port: optional TCP port | |
86 | # unix_sockets: additional UNIX socket paths to forward | |
7d730f95 | 87 | sub start_remote_tunnel { |
05b2a4ae | 88 | my ($self, $tunnel_info) = @_; |
7d730f95 FE |
89 | |
90 | my $nodename = PVE::INotify::nodename(); | |
91 | my $migration_type = $self->{opts}->{migration_type}; | |
92 | ||
93 | if ($migration_type eq 'secure') { | |
94 | ||
05b2a4ae FG |
95 | if ($tunnel_info->{proto} eq 'unix') { |
96 | my $ssh_forward_info = []; | |
7d730f95 | 97 | |
05b2a4ae FG |
98 | my $unix_sockets = [ keys %{$tunnel_info->{unix_sockets}} ]; |
99 | push @$unix_sockets, $tunnel_info->{addr}; | |
7d730f95 FE |
100 | for my $sock (@$unix_sockets) { |
101 | push @$ssh_forward_info, "$sock:$sock"; | |
102 | unlink $sock; | |
103 | } | |
104 | ||
105 | $self->{tunnel} = $self->fork_tunnel($ssh_forward_info); | |
106 | ||
107 | my $unix_socket_try = 0; # wait for the socket to become ready | |
108 | while ($unix_socket_try <= 100) { | |
109 | $unix_socket_try++; | |
110 | my $available = 0; | |
111 | foreach my $sock (@$unix_sockets) { | |
112 | if (-S $sock) { | |
113 | $available++; | |
114 | } | |
115 | } | |
116 | ||
117 | if ($available == @$unix_sockets) { | |
118 | last; | |
119 | } | |
120 | ||
121 | usleep(50000); | |
122 | } | |
123 | if ($unix_socket_try > 100) { | |
124 | $self->{errors} = 1; | |
e594231b | 125 | PVE::Tunnel::finish_tunnel($self->{tunnel}); |
05b2a4ae | 126 | die "Timeout, migration socket $tunnel_info->{addr} did not get ready"; |
7d730f95 FE |
127 | } |
128 | $self->{tunnel}->{unix_sockets} = $unix_sockets if (@$unix_sockets); | |
129 | ||
05b2a4ae | 130 | } elsif ($tunnel_info->{proto} eq 'tcp') { |
7d730f95 | 131 | my $ssh_forward_info = []; |
05b2a4ae | 132 | if ($tunnel_info->{addr} eq "localhost") { |
7d730f95 FE |
133 | # for backwards compatibility with older qemu-server versions |
134 | my $pfamily = PVE::Tools::get_host_address_family($nodename); | |
135 | my $lport = PVE::Tools::next_migrate_port($pfamily); | |
05b2a4ae | 136 | push @$ssh_forward_info, "$lport:localhost:$tunnel_info->{port}"; |
7d730f95 FE |
137 | } |
138 | ||
139 | $self->{tunnel} = $self->fork_tunnel($ssh_forward_info); | |
140 | ||
141 | } else { | |
05b2a4ae | 142 | die "unsupported protocol in migration URI: $tunnel_info->{proto}\n"; |
7d730f95 FE |
143 | } |
144 | } else { | |
145 | #fork tunnel for insecure migration, to send faster commands like resume | |
146 | $self->{tunnel} = $self->fork_tunnel(); | |
147 | } | |
148 | } | |
149 | ||
16e903f2 DM |
150 | sub lock_vm { |
151 | my ($self, $vmid, $code, @param) = @_; | |
f5eb281a | 152 | |
ffda963f | 153 | return PVE::QemuConfig->lock_config($vmid, $code, @param); |
16e903f2 | 154 | } |
ff1a2432 | 155 | |
e3aad441 AL |
156 | sub target_storage_check_available { |
157 | my ($self, $storecfg, $targetsid, $volid) = @_; | |
158 | ||
159 | if (!$self->{opts}->{remote}) { | |
160 | # check if storage is available on target node | |
161 | my $target_scfg = PVE::Storage::storage_check_enabled( | |
162 | $storecfg, | |
163 | $targetsid, | |
164 | $self->{node}, | |
165 | ); | |
166 | my ($vtype) = PVE::Storage::parse_volname($storecfg, $volid); | |
167 | die "$volid: content type '$vtype' is not available on storage '$targetsid'\n" | |
168 | if !$target_scfg->{content}->{$vtype}; | |
169 | } | |
170 | } | |
171 | ||
16e903f2 DM |
172 | sub prepare { |
173 | my ($self, $vmid) = @_; | |
ff1a2432 | 174 | |
16e903f2 | 175 | my $online = $self->{opts}->{online}; |
3ea94c60 | 176 | |
8a5bd889 | 177 | my $storecfg = $self->{storecfg} = PVE::Storage::config(); |
3ea94c60 | 178 | |
e1fc368d | 179 | # test if VM exists |
ffda963f | 180 | my $conf = $self->{vmconf} = PVE::QemuConfig->load_config($vmid); |
3ea94c60 | 181 | |
9c88e854 AD |
182 | my $version = PVE::QemuServer::Helpers::get_node_pvecfg_version($self->{node}); |
183 | my $cloudinit_config = $conf->{cloudinit}; | |
184 | ||
71cc2c41 TL |
185 | if ( |
186 | PVE::QemuConfig->has_cloudinit($conf) && defined($cloudinit_config) | |
187 | && scalar(keys %$cloudinit_config) > 0 | |
188 | && !PVE::QemuServer::Helpers::pvecfg_min_version($version, 7, 2, 13) | |
189 | ) { | |
190 | die "target node is too old (manager <= 7.2-13) and doesn't support new cloudinit section\n"; | |
9c88e854 AD |
191 | } |
192 | ||
c2c96d73 FE |
193 | my $repl_conf = PVE::ReplicationConfig->new(); |
194 | $self->{replication_jobcfg} = $repl_conf->find_local_replication_job($vmid, $self->{node}); | |
195 | $self->{is_replicated} = $repl_conf->check_for_existing_jobs($vmid, 1); | |
196 | ||
19ff3682 FE |
197 | if ($self->{replication_jobcfg} && defined($self->{replication_jobcfg}->{remove_job})) { |
198 | die "refusing to migrate replicated VM whose replication job is marked for removal\n"; | |
199 | } | |
200 | ||
ffda963f | 201 | PVE::QemuConfig->check_lock($conf); |
3ea94c60 | 202 | |
16e903f2 DM |
203 | my $running = 0; |
204 | if (my $pid = PVE::QemuServer::check_running($vmid)) { | |
b6adff33 | 205 | die "can't migrate running VM without --online\n" if !$online; |
16e903f2 | 206 | $running = $pid; |
42dbd2ee | 207 | |
c2c96d73 | 208 | if ($self->{is_replicated} && !$self->{replication_jobcfg}) { |
68980d66 FE |
209 | if ($self->{opts}->{force}) { |
210 | $self->log('warn', "WARNING: Node '$self->{node}' is not a replication target. Existing " . | |
211 | "replication jobs will fail after migration!\n"); | |
212 | } else { | |
213 | die "Cannot live-migrate replicated VM to node '$self->{node}' - not a replication " . | |
214 | "target. Use 'force' to override.\n"; | |
215 | } | |
216 | } | |
217 | ||
3392d6ca | 218 | $self->{forcemachine} = PVE::QemuServer::Machine::qemu_machine_pxe($vmid, $conf); |
7bac824e | 219 | |
58c64ad5 SR |
220 | # To support custom CPU types, we keep QEMU's "-cpu" parameter intact. |
221 | # Since the parameter itself contains no reference to a custom model, | |
222 | # this makes migration independent of changes to "cpu-models.conf". | |
223 | if ($conf->{cpu}) { | |
b53ba8d0 | 224 | my $cpuconf = PVE::JSONSchema::parse_property_string('pve-cpu-conf', $conf->{cpu}); |
58c64ad5 SR |
225 | if ($cpuconf && PVE::QemuServer::CPUConfig::is_custom_model($cpuconf->{cputype})) { |
226 | $self->{forcecpu} = PVE::QemuServer::CPUConfig::get_cpu_from_running_vm($pid); | |
227 | } | |
228 | } | |
a183576e | 229 | |
6f0627d4 FS |
230 | # Do not treat a suspended VM as paused, as it might wake up |
231 | # during migration and remain paused after migration finishes. | |
232 | $self->{vm_was_paused} = 1 if PVE::QemuServer::vm_is_paused($vmid, 0); | |
3ea94c60 | 233 | } |
58c64ad5 | 234 | |
92cd9b18 DC |
235 | my ($loc_res, $mapped_res, $missing_mappings_by_node) = PVE::QemuServer::check_local_resources($conf, 1); |
236 | my $blocking_resources = []; | |
237 | for my $res ($loc_res->@*) { | |
238 | if (!grep($res, $mapped_res->@*)) { | |
239 | push $blocking_resources->@*, $res; | |
240 | } | |
241 | } | |
242 | if (scalar($blocking_resources->@*)) { | |
16e903f2 | 243 | if ($self->{running} || !$self->{opts}->{force}) { |
92cd9b18 | 244 | die "can't migrate VM which uses local devices: " . join(", ", $blocking_resources->@*) . "\n"; |
16e903f2 DM |
245 | } else { |
246 | $self->log('info', "migrating VM which uses local devices"); | |
247 | } | |
3ea94c60 DM |
248 | } |
249 | ||
92cd9b18 DC |
250 | if (scalar($mapped_res->@*)) { |
251 | my $missing_mappings = $missing_mappings_by_node->{$self->{node}}; | |
252 | if ($running) { | |
253 | die "can't migrate running VM which uses mapped devices: " . join(", ", $mapped_res->@*) . "\n"; | |
254 | } elsif (scalar($missing_mappings->@*)) { | |
255 | die "can't migrate to '$self->{node}': missing mapped devices " . join(", ", $missing_mappings->@*) . "\n"; | |
256 | } else { | |
257 | $self->log('info', "migrating VM which uses mapped local devices"); | |
258 | } | |
259 | } | |
260 | ||
bb30eedf MF |
261 | my $vga = PVE::QemuServer::parse_vga($conf->{vga}); |
262 | if ($running && $vga->{'clipboard'} && $vga->{'clipboard'} eq 'vnc') { | |
263 | die "VMs with 'clipboard' set to 'vnc' are not live migratable!\n"; | |
264 | } | |
265 | ||
ff1a2432 | 266 | my $vollist = PVE::QemuServer::get_vm_volumes($conf); |
eef93bc5 FG |
267 | |
268 | my $storages = {}; | |
29701766 FG |
269 | foreach my $volid (@$vollist) { |
270 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1); | |
271 | ||
eef93bc5 | 272 | # check if storage is available on source node |
8a5bd889 | 273 | my $scfg = PVE::Storage::storage_check_enabled($storecfg, $sid); |
d213ba29 | 274 | |
95b3583b | 275 | my $targetsid = $sid; |
eef93bc5 FG |
276 | # NOTE: local ignores shared mappings, remote maps them |
277 | if (!$scfg->{shared} || $self->{opts}->{remote}) { | |
82a03671 | 278 | $targetsid = PVE::JSONSchema::map_id($self->{opts}->{storagemap}, $sid); |
d213ba29 FE |
279 | } |
280 | ||
eef93bc5 | 281 | $storages->{$targetsid} = 1; |
24b84b47 | 282 | |
e3aad441 | 283 | $self->target_storage_check_available($storecfg, $targetsid, $volid); |
73f5ee92 FG |
284 | |
285 | if ($scfg->{shared}) { | |
286 | # PVE::Storage::activate_storage checks this for non-shared storages | |
287 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
288 | warn "Used shared storage '$sid' is not online on source node!\n" | |
289 | if !$plugin->check_connection($sid, $scfg); | |
73f5ee92 | 290 | } |
29701766 | 291 | } |
3ea94c60 | 292 | |
eef93bc5 FG |
293 | if ($self->{opts}->{remote}) { |
294 | # test & establish websocket connection | |
295 | my $bridges = map_bridges($conf, $self->{opts}->{bridgemap}, 1); | |
296 | my $tunnel = $self->fork_websocket_tunnel($storages, $bridges); | |
297 | my $min_version = $tunnel->{version} - $tunnel->{age}; | |
298 | $self->log('info', "local WS tunnel version: $WS_TUNNEL_VERSION"); | |
299 | $self->log('info', "remote WS tunnel version: $tunnel->{version}"); | |
300 | $self->log('info', "minimum required WS tunnel version: $min_version"); | |
301 | die "Remote tunnel endpoint not compatible, upgrade required\n" | |
302 | if $WS_TUNNEL_VERSION < $min_version; | |
303 | die "Remote tunnel endpoint too old, upgrade required\n" | |
304 | if $WS_TUNNEL_VERSION > $tunnel->{version}; | |
305 | ||
306 | print "websocket tunnel started\n"; | |
307 | $self->{tunnel} = $tunnel; | |
308 | } else { | |
309 | # test ssh connection | |
310 | my $cmd = [ @{$self->{rem_ssh}}, '/bin/true' ]; | |
311 | eval { $self->cmd_quiet($cmd); }; | |
312 | die "Can't connect to destination address using public key\n" if $@; | |
313 | } | |
ff1a2432 | 314 | |
16e903f2 | 315 | return $running; |
3ea94c60 DM |
316 | } |
317 | ||
d10b78f4 | 318 | sub scan_local_volumes { |
16e903f2 DM |
319 | my ($self, $vmid) = @_; |
320 | ||
16e903f2 DM |
321 | my $conf = $self->{vmconf}; |
322 | ||
dabf2473 | 323 | # local volumes which have been copied |
37666e4c | 324 | # and their old_id => new_id pairs |
37666e4c | 325 | $self->{volume_map} = {}; |
d10b78f4 | 326 | $self->{local_volumes} = {}; |
3ea94c60 | 327 | |
b10afa31 | 328 | my $storecfg = $self->{storecfg}; |
3ea94c60 | 329 | eval { |
dabf2473 | 330 | # found local volumes and their origin |
d10b78f4 | 331 | my $local_volumes = $self->{local_volumes}; |
5bf7f0f1 FG |
332 | my $local_volumes_errors = {}; |
333 | my $other_errors = []; | |
334 | my $abort = 0; | |
07f2e57c | 335 | my $path_to_volid = {}; |
3ea94c60 | 336 | |
5bf7f0f1 FG |
337 | my $log_error = sub { |
338 | my ($msg, $volid) = @_; | |
339 | ||
340 | if (defined($volid)) { | |
341 | $local_volumes_errors->{$volid} = $msg; | |
342 | } else { | |
343 | push @$other_errors, $msg; | |
344 | } | |
345 | $abort = 1; | |
346 | }; | |
347 | ||
c2c96d73 | 348 | my $replicatable_volumes = !$self->{replication_jobcfg} ? {} |
2cd808d3 | 349 | : PVE::QemuConfig->get_replicatable_volumes($storecfg, $vmid, $conf, 0, 1); |
4b26ffbf FE |
350 | foreach my $volid (keys %{$replicatable_volumes}) { |
351 | $local_volumes->{$volid}->{replicated} = 1; | |
352 | } | |
b9f44d27 | 353 | |
3629c19d | 354 | my $test_volid = sub { |
aee6abe5 | 355 | my ($volid, $attr) = @_; |
3ea94c60 | 356 | |
5bf7f0f1 | 357 | if ($volid =~ m|^/|) { |
ec82e3ee | 358 | return if $attr->{shared}; |
6f58fce9 | 359 | $local_volumes->{$volid}->{ref} = 'config'; |
5bf7f0f1 FG |
360 | die "local file/device\n"; |
361 | } | |
3ea94c60 | 362 | |
aee6abe5 DM |
363 | my $snaprefs = $attr->{referenced_in_snapshot}; |
364 | ||
365 | if ($attr->{cdrom}) { | |
5bf7f0f1 FG |
366 | if ($volid eq 'cdrom') { |
367 | my $msg = "can't migrate local cdrom drive"; | |
6e9c4929 | 368 | if (defined($snaprefs) && !$attr->{is_attached}) { |
aee6abe5 | 369 | my $snapnames = join(', ', sort keys %$snaprefs); |
5009a8c7 | 370 | $msg .= " (referenced in snapshot - $snapnames)"; |
aee6abe5 | 371 | } |
5bf7f0f1 FG |
372 | &$log_error("$msg\n"); |
373 | return; | |
374 | } | |
3ea94c60 | 375 | return if $volid eq 'none'; |
3ea94c60 DM |
376 | } |
377 | ||
378 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); | |
379 | ||
16e903f2 | 380 | # check if storage is available on both nodes |
0d2db084 | 381 | my $scfg = PVE::Storage::storage_check_enabled($storecfg, $sid); |
d213ba29 | 382 | |
95b3583b | 383 | my $targetsid = $sid; |
eef93bc5 FG |
384 | # NOTE: local ignores shared mappings, remote maps them |
385 | if (!$scfg->{shared} || $self->{opts}->{remote}) { | |
82a03671 | 386 | $targetsid = PVE::JSONSchema::map_id($self->{opts}->{storagemap}, $sid); |
d213ba29 FE |
387 | } |
388 | ||
e3aad441 AL |
389 | $self->target_storage_check_available($storecfg, $targetsid, $volid); |
390 | return if $scfg->{shared} && !$self->{opts}->{remote}; | |
3ea94c60 | 391 | |
6e9c4929 AL |
392 | $local_volumes->{$volid}->{ref} = 'pending' if $attr->{referenced_in_pending}; |
393 | $local_volumes->{$volid}->{ref} = 'snapshot' if $attr->{referenced_in_snapshot}; | |
394 | $local_volumes->{$volid}->{ref} = 'unused' if $attr->{is_unused}; | |
395 | $local_volumes->{$volid}->{ref} = 'attached' if $attr->{is_attached}; | |
f9dde219 | 396 | $local_volumes->{$volid}->{ref} = 'generated' if $attr->{is_tpmstate}; |
d62fcf74 | 397 | |
a0dbed5a AL |
398 | $local_volumes->{$volid}->{bwlimit} = $self->get_bwlimit($sid, $targetsid); |
399 | $local_volumes->{$volid}->{targetsid} = $targetsid; | |
400 | ||
401 | $local_volumes->{$volid}->@{qw(size format)} = PVE::Storage::volume_size_info($storecfg, $volid); | |
402 | ||
cc1a3820 FE |
403 | $local_volumes->{$volid}->{is_vmstate} = $attr->{is_vmstate} ? 1 : 0; |
404 | ||
a6be63ac FE |
405 | $local_volumes->{$volid}->{drivename} = $attr->{drivename} |
406 | if $attr->{drivename}; | |
407 | ||
e9f12f96 FE |
408 | # If with_snapshots is not set for storage migrate, it tries to use |
409 | # a raw+size stream, but on-the-fly conversion from qcow2 to raw+size | |
410 | # back to qcow2 is currently not possible. | |
411 | $local_volumes->{$volid}->{snapshots} = ($local_volumes->{$volid}->{format} =~ /^(?:qcow2|vmdk)$/); | |
412 | ||
9e93a63f ML |
413 | if ($attr->{cdrom}) { |
414 | if ($volid =~ /vm-\d+-cloudinit/) { | |
415 | $local_volumes->{$volid}->{ref} = 'generated'; | |
416 | return; | |
417 | } | |
418 | die "local cdrom image\n"; | |
419 | } | |
3629c19d | 420 | |
b10afa31 | 421 | my ($path, $owner) = PVE::Storage::path($storecfg, $volid); |
3ea94c60 | 422 | |
5bf7f0f1 | 423 | die "owned by other VM (owner = VM $owner)\n" |
b10afa31 | 424 | if !$owner || ($owner != $vmid); |
3ea94c60 | 425 | |
07f2e57c AL |
426 | $path_to_volid->{$path}->{$volid} = 1; |
427 | ||
b24f07d4 FE |
428 | return if $attr->{is_vmstate}; |
429 | ||
aee6abe5 | 430 | if (defined($snaprefs)) { |
5eca0c36 FE |
431 | $local_volumes->{$volid}->{snapshots} = 1; |
432 | ||
3629c19d DM |
433 | # we cannot migrate shapshots on local storage |
434 | # exceptions: 'zfspool' or 'qcow2' files (on directory storage) | |
435 | ||
5cbf4d72 FE |
436 | die "online storage migration not possible if non-replicated snapshot exists\n" |
437 | if $self->{running} && !$local_volumes->{$volid}->{replicated}; | |
438 | ||
eef93bc5 FG |
439 | die "remote migration with snapshots not supported yet\n" if $self->{opts}->{remote}; |
440 | ||
205dbf39 WB |
441 | if (!($scfg->{type} eq 'zfspool' |
442 | || ($scfg->{type} eq 'btrfs' && $local_volumes->{$volid}->{format} eq 'raw') | |
443 | || $local_volumes->{$volid}->{format} eq 'qcow2' | |
444 | )) { | |
5bf7f0f1 | 445 | die "non-migratable snapshot exists\n"; |
3629c19d | 446 | } |
3629c19d | 447 | } |
3a7bc9e2 FG |
448 | |
449 | die "referenced by linked clone(s)\n" | |
b10afa31 | 450 | if PVE::Storage::volume_is_base_and_used($storecfg, $volid); |
3629c19d DM |
451 | }; |
452 | ||
0b7a0b78 | 453 | PVE::QemuServer::foreach_volid($conf, sub { |
aee6abe5 DM |
454 | my ($volid, $attr) = @_; |
455 | eval { $test_volid->($volid, $attr); }; | |
456 | if (my $err = $@) { | |
457 | &$log_error($err, $volid); | |
458 | } | |
459 | }); | |
3ea94c60 | 460 | |
07f2e57c AL |
461 | for my $path (keys %$path_to_volid) { |
462 | my @volids = keys $path_to_volid->{$path}->%*; | |
1e540583 | 463 | die "detected not supported aliased volumes: '" . join("', '", @volids) . "'\n" |
07f2e57c AL |
464 | if (scalar(@volids) > 1); |
465 | } | |
466 | ||
dabf2473 | 467 | foreach my $vol (sort keys %$local_volumes) { |
b9f44d27 | 468 | my $type = $replicatable_volumes->{$vol} ? 'local, replicated' : 'local'; |
6f58fce9 | 469 | my $ref = $local_volumes->{$vol}->{ref}; |
6e9c4929 | 470 | if ($ref eq 'attached') { |
dbc9420b DM |
471 | &$log_error("can't live migrate attached local disks without with-local-disks option\n", $vol) |
472 | if $self->{running} && !$self->{opts}->{"with-local-disks"}; | |
6e9c4929 AL |
473 | $self->log('info', "found $type disk '$vol' (attached)\n"); |
474 | } elsif ($ref eq 'unused') { | |
475 | $self->log('info', "found $type disk '$vol' (unused)\n"); | |
6f58fce9 | 476 | } elsif ($ref eq 'snapshot') { |
b9f44d27 | 477 | $self->log('info', "found $type disk '$vol' (referenced by snapshot(s))\n"); |
6e9c4929 AL |
478 | } elsif ($ref eq 'pending') { |
479 | $self->log('info', "found $type disk '$vol' (pending change)\n"); | |
9e93a63f ML |
480 | } elsif ($ref eq 'generated') { |
481 | $self->log('info', "found generated disk '$vol' (in current VM config)\n"); | |
d62fcf74 | 482 | } else { |
b9f44d27 | 483 | $self->log('info', "found $type disk '$vol'\n"); |
d62fcf74 FG |
484 | } |
485 | } | |
486 | ||
5bf7f0f1 FG |
487 | foreach my $vol (sort keys %$local_volumes_errors) { |
488 | $self->log('warn', "can't migrate local disk '$vol': $local_volumes_errors->{$vol}"); | |
489 | } | |
490 | foreach my $err (@$other_errors) { | |
491 | $self->log('warn', "$err"); | |
492 | } | |
493 | ||
5bf7f0f1 FG |
494 | if ($abort) { |
495 | die "can't migrate VM - check log\n"; | |
496 | } | |
497 | ||
c4d2d6c1 | 498 | # additional checks for local storage |
dabf2473 | 499 | foreach my $volid (keys %$local_volumes) { |
3ea94c60 | 500 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid); |
b10afa31 | 501 | my $scfg = PVE::Storage::storage_config($storecfg, $sid); |
3ea94c60 | 502 | |
205dbf39 | 503 | my $migratable = $scfg->{type} =~ /^(?:dir|btrfs|zfspool|lvmthin|lvm)$/; |
c4d2d6c1 | 504 | |
eef93bc5 FG |
505 | # TODO: what is this even here for? |
506 | $migratable = 1 if $self->{opts}->{remote}; | |
507 | ||
37a6dc78 | 508 | die "can't migrate '$volid' - storage type '$scfg->{type}' not supported\n" |
c4d2d6c1 | 509 | if !$migratable; |
d5604092 | 510 | |
c4d2d6c1 | 511 | # image is a linked clone on local storage, se we can't migrate. |
b10afa31 | 512 | if (my $basename = (PVE::Storage::parse_volname($storecfg, $volid))[3]) { |
c4d2d6c1 | 513 | die "can't migrate '$volid' as it's a clone of '$basename'"; |
d5604092 | 514 | } |
3ea94c60 DM |
515 | } |
516 | ||
eb3acec8 | 517 | foreach my $volid (sort keys %$local_volumes) { |
9e93a63f | 518 | my $ref = $local_volumes->{$volid}->{ref}; |
6e9c4929 | 519 | if ($self->{running} && $ref eq 'attached') { |
efe0d457 | 520 | $local_volumes->{$volid}->{migration_mode} = 'online'; |
ad8b9d5e | 521 | } elsif ($self->{running} && $ref eq 'generated') { |
104f47a9 | 522 | # offline migrate the cloud-init ISO and don't regenerate on VM start |
f9dde219 SR |
523 | # |
524 | # tpmstate will also be offline migrated first, and in case of | |
525 | # live migration then updated by QEMU/swtpm if necessary | |
104f47a9 | 526 | $local_volumes->{$volid}->{migration_mode} = 'offline'; |
b74cad8a | 527 | } else { |
d10b78f4 | 528 | $local_volumes->{$volid}->{migration_mode} = 'offline'; |
b74cad8a | 529 | } |
3ea94c60 DM |
530 | } |
531 | }; | |
d10b78f4 FE |
532 | die "Problem found while scanning volumes - $@" if $@; |
533 | } | |
534 | ||
a6be63ac FE |
535 | sub handle_replication { |
536 | my ($self, $vmid) = @_; | |
537 | ||
538 | my $conf = $self->{vmconf}; | |
539 | my $local_volumes = $self->{local_volumes}; | |
540 | ||
541 | return if !$self->{replication_jobcfg}; | |
eef93bc5 FG |
542 | |
543 | die "can't migrate VM with replicated volumes to remote cluster/node\n" | |
544 | if $self->{opts}->{remote}; | |
545 | ||
a6be63ac FE |
546 | if ($self->{running}) { |
547 | ||
548 | my $version = PVE::QemuServer::kvm_user_version(); | |
549 | if (!min_version($version, 4, 2)) { | |
550 | die "can't live migrate VM with replicated volumes, pve-qemu to old (< 4.2)!\n" | |
551 | } | |
552 | ||
553 | my @live_replicatable_volumes = $self->filter_local_volumes('online', 1); | |
554 | foreach my $volid (@live_replicatable_volumes) { | |
555 | my $drive = $local_volumes->{$volid}->{drivename}; | |
556 | die "internal error - no drive for '$volid'\n" if !defined($drive); | |
557 | ||
558 | my $bitmap = "repl_$drive"; | |
559 | ||
560 | # start tracking before replication to get full delta + a few duplicates | |
561 | $self->log('info', "$drive: start tracking writes using block-dirty-bitmap '$bitmap'"); | |
562 | mon_cmd($vmid, 'block-dirty-bitmap-add', node => "drive-$drive", name => $bitmap); | |
563 | ||
564 | # other info comes from target node in phase 2 | |
565 | $self->{target_drive}->{$drive}->{bitmap} = $bitmap; | |
566 | } | |
567 | } | |
568 | $self->log('info', "replicating disk images"); | |
569 | ||
570 | my $start_time = time(); | |
571 | my $logfunc = sub { $self->log('info', shift) }; | |
572 | my $actual_replicated_volumes = PVE::Replication::run_replication( | |
573 | 'PVE::QemuConfig', $self->{replication_jobcfg}, $start_time, $start_time, $logfunc); | |
574 | ||
575 | # extra safety check | |
576 | my @replicated_volumes = $self->filter_local_volumes(undef, 1); | |
577 | foreach my $volid (@replicated_volumes) { | |
578 | die "expected volume '$volid' to get replicated, but it wasn't\n" | |
579 | if !$actual_replicated_volumes->{$volid}; | |
580 | } | |
581 | } | |
582 | ||
3276a434 FE |
583 | sub config_update_local_disksizes { |
584 | my ($self) = @_; | |
585 | ||
586 | my $conf = $self->{vmconf}; | |
587 | my $local_volumes = $self->{local_volumes}; | |
588 | ||
589 | PVE::QemuConfig->foreach_volume($conf, sub { | |
590 | my ($key, $drive) = @_; | |
f9dde219 SR |
591 | # skip special disks, will be handled later |
592 | return if $key eq 'efidisk0'; | |
593 | return if $key eq 'tpmstate0'; | |
3276a434 FE |
594 | |
595 | my $volid = $drive->{file}; | |
596 | return if !defined($local_volumes->{$volid}); # only update sizes for local volumes | |
597 | ||
598 | my ($updated, $msg) = PVE::QemuServer::Drive::update_disksize($drive, $local_volumes->{$volid}->{size}); | |
599 | if (defined($updated)) { | |
600 | $conf->{$key} = PVE::QemuServer::print_drive($updated); | |
601 | $self->log('info', "drive '$key': $msg"); | |
602 | } | |
603 | }); | |
604 | ||
605 | # we want to set the efidisk size in the config to the size of the | |
606 | # real OVMF_VARS.fd image, else we can create a too big image, which does not work | |
607 | if (defined($conf->{efidisk0})) { | |
608 | PVE::QemuServer::update_efidisk_size($conf); | |
609 | } | |
f9dde219 SR |
610 | |
611 | # TPM state might have an irregular filesize, to avoid problems on transfer | |
612 | # we always assume the static size of 4M to allocate on the target | |
613 | if (defined($conf->{tpmstate0})) { | |
614 | PVE::QemuServer::update_tpmstate_size($conf); | |
615 | } | |
3276a434 FE |
616 | } |
617 | ||
d10b78f4 | 618 | sub filter_local_volumes { |
4b26ffbf | 619 | my ($self, $migration_mode, $replicated) = @_; |
d10b78f4 FE |
620 | |
621 | my $volumes = $self->{local_volumes}; | |
622 | my @filtered_volids; | |
623 | ||
624 | foreach my $volid (sort keys %{$volumes}) { | |
625 | next if defined($migration_mode) && safe_string_ne($volumes->{$volid}->{migration_mode}, $migration_mode); | |
4b26ffbf | 626 | next if defined($replicated) && safe_boolean_ne($volumes->{$volid}->{replicated}, $replicated); |
d10b78f4 FE |
627 | push @filtered_volids, $volid; |
628 | } | |
629 | ||
630 | return @filtered_volids; | |
631 | } | |
632 | ||
633 | sub sync_offline_local_volumes { | |
634 | my ($self) = @_; | |
635 | ||
636 | my $local_volumes = $self->{local_volumes}; | |
4b26ffbf | 637 | my @volids = $self->filter_local_volumes('offline', 0); |
d10b78f4 FE |
638 | |
639 | my $storecfg = $self->{storecfg}; | |
640 | my $opts = $self->{opts}; | |
641 | ||
642 | $self->log('info', "copying local disk images") if scalar(@volids); | |
643 | ||
644 | foreach my $volid (@volids) { | |
eef93bc5 | 645 | my $new_volid; |
d10b78f4 | 646 | |
eef93bc5 FG |
647 | my $opts = $self->{opts}; |
648 | if ($opts->{remote}) { | |
649 | my $log = sub { | |
650 | my ($level, $msg) = @_; | |
651 | $self->log($level, $msg); | |
652 | }; | |
653 | ||
654 | $new_volid = PVE::StorageTunnel::storage_migrate( | |
655 | $self->{tunnel}, | |
656 | $storecfg, | |
657 | $volid, | |
658 | $self->{vmid}, | |
659 | $opts->{remote}->{vmid}, | |
660 | $local_volumes->{$volid}, | |
661 | $log, | |
662 | ); | |
663 | } else { | |
664 | my $targetsid = $local_volumes->{$volid}->{targetsid}; | |
665 | ||
666 | my $bwlimit = $local_volumes->{$volid}->{bwlimit}; | |
667 | $bwlimit = $bwlimit * 1024 if defined($bwlimit); # storage_migrate uses bps | |
668 | ||
669 | my $storage_migrate_opts = { | |
670 | 'ratelimit_bps' => $bwlimit, | |
671 | 'insecure' => $opts->{migration_type} eq 'insecure', | |
672 | 'with_snapshots' => $local_volumes->{$volid}->{snapshots}, | |
673 | 'allow_rename' => !$local_volumes->{$volid}->{is_vmstate}, | |
674 | }; | |
675 | ||
676 | my $logfunc = sub { $self->log('info', $_[0]); }; | |
677 | $new_volid = eval { | |
678 | PVE::Storage::storage_migrate( | |
679 | $storecfg, | |
680 | $volid, | |
681 | $self->{ssh_info}, | |
682 | $targetsid, | |
683 | $storage_migrate_opts, | |
684 | $logfunc, | |
685 | ); | |
686 | }; | |
687 | if (my $err = $@) { | |
688 | die "storage migration for '$volid' to storage '$targetsid' failed - $err\n"; | |
689 | } | |
d10b78f4 FE |
690 | } |
691 | ||
692 | $self->{volume_map}->{$volid} = $new_volid; | |
693 | $self->log('info', "volume '$volid' is '$new_volid' on the target\n"); | |
694 | ||
695 | eval { PVE::Storage::deactivate_volumes($storecfg, [$volid]); }; | |
696 | if (my $err = $@) { | |
697 | $self->log('warn', $err); | |
698 | } | |
699 | } | |
3ea94c60 DM |
700 | } |
701 | ||
b74cad8a AD |
702 | sub cleanup_remotedisks { |
703 | my ($self) = @_; | |
704 | ||
eef93bc5 FG |
705 | if ($self->{opts}->{remote}) { |
706 | PVE::Tunnel::finish_tunnel($self->{tunnel}, 1); | |
707 | delete $self->{tunnel}; | |
708 | return; | |
709 | } | |
710 | ||
4b26ffbf FE |
711 | my $local_volumes = $self->{local_volumes}; |
712 | ||
eb5751ba | 713 | foreach my $volid (values %{$self->{volume_map}}) { |
9b6efe43 | 714 | # don't clean up replicated disks! |
4b26ffbf | 715 | next if $local_volumes->{$volid}->{replicated}; |
b74cad8a | 716 | |
eb5751ba | 717 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid); |
b74cad8a AD |
718 | |
719 | my $cmd = [@{$self->{rem_ssh}}, 'pvesm', 'free', "$storeid:$volname"]; | |
720 | ||
721 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
722 | if (my $err = $@) { | |
723 | $self->log('err', $err); | |
724 | $self->{errors} = 1; | |
725 | } | |
726 | } | |
727 | } | |
728 | ||
9b6efe43 FG |
729 | sub cleanup_bitmaps { |
730 | my ($self) = @_; | |
7f5fb49a | 731 | foreach my $drive (keys %{$self->{target_drive}}) { |
9b6efe43 FG |
732 | my $bitmap = $self->{target_drive}->{$drive}->{bitmap}; |
733 | next if !$bitmap; | |
734 | $self->log('info', "$drive: removing block-dirty-bitmap '$bitmap'"); | |
735 | mon_cmd($self->{vmid}, 'block-dirty-bitmap-remove', node => "drive-$drive", name => $bitmap); | |
736 | } | |
737 | } | |
738 | ||
1e3baf05 | 739 | sub phase1 { |
16e903f2 | 740 | my ($self, $vmid) = @_; |
1e3baf05 | 741 | |
16e903f2 | 742 | $self->log('info', "starting migration of VM $vmid to node '$self->{node}' ($self->{nodeip})"); |
1e3baf05 | 743 | |
16e903f2 | 744 | my $conf = $self->{vmconf}; |
1e3baf05 DM |
745 | |
746 | # set migrate lock in config file | |
1858638f | 747 | $conf->{lock} = 'migrate'; |
ffda963f | 748 | PVE::QemuConfig->write_config($vmid, $conf); |
1e3baf05 | 749 | |
d10b78f4 | 750 | $self->scan_local_volumes($vmid); |
3276a434 FE |
751 | |
752 | # fix disk sizes to match their actual size and write changes, | |
753 | # so that the target allocates the correct volumes | |
754 | $self->config_update_local_disksizes(); | |
68b108ee | 755 | PVE::QemuConfig->write_config($vmid, $conf); |
d10b78f4 | 756 | |
a6be63ac FE |
757 | $self->handle_replication($vmid); |
758 | ||
d10b78f4 | 759 | $self->sync_offline_local_volumes(); |
eef93bc5 | 760 | $self->phase1_remote($vmid) if $self->{opts}->{remote}; |
1e3baf05 DM |
761 | }; |
762 | ||
eef93bc5 FG |
763 | sub map_bridges { |
764 | my ($conf, $map, $scan_only) = @_; | |
765 | ||
766 | my $bridges = {}; | |
767 | ||
768 | foreach my $opt (keys %$conf) { | |
769 | next if $opt !~ m/^net\d+$/; | |
770 | ||
771 | next if !$conf->{$opt}; | |
772 | my $d = PVE::QemuServer::parse_net($conf->{$opt}); | |
773 | next if !$d || !$d->{bridge}; | |
774 | ||
775 | my $target_bridge = PVE::JSONSchema::map_id($map, $d->{bridge}); | |
776 | $bridges->{$target_bridge}->{$opt} = $d->{bridge}; | |
777 | ||
778 | next if $scan_only; | |
779 | ||
780 | $d->{bridge} = $target_bridge; | |
781 | $conf->{$opt} = PVE::QemuServer::print_net($d); | |
782 | } | |
783 | ||
784 | return $bridges; | |
785 | } | |
786 | ||
787 | sub phase1_remote { | |
788 | my ($self, $vmid) = @_; | |
789 | ||
790 | my $remote_conf = PVE::QemuConfig->load_config($vmid); | |
791 | PVE::QemuConfig->update_volume_ids($remote_conf, $self->{volume_map}); | |
792 | ||
793 | my $bridges = map_bridges($remote_conf, $self->{opts}->{bridgemap}); | |
794 | for my $target (keys $bridges->%*) { | |
795 | for my $nic (keys $bridges->{$target}->%*) { | |
796 | $self->log('info', "mapped: $nic from $bridges->{$target}->{$nic} to $target"); | |
797 | } | |
798 | } | |
799 | ||
800 | my @online_local_volumes = $self->filter_local_volumes('online'); | |
801 | ||
802 | my $storage_map = $self->{opts}->{storagemap}; | |
803 | $self->{nbd} = {}; | |
804 | PVE::QemuConfig->foreach_volume($remote_conf, sub { | |
805 | my ($ds, $drive) = @_; | |
806 | ||
807 | # TODO eject CDROM? | |
808 | return if PVE::QemuServer::drive_is_cdrom($drive); | |
809 | ||
810 | my $volid = $drive->{file}; | |
811 | return if !$volid; | |
812 | ||
813 | return if !grep { $_ eq $volid} @online_local_volumes; | |
814 | ||
815 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid); | |
816 | my $scfg = PVE::Storage::storage_config($self->{storecfg}, $storeid); | |
817 | my $source_format = PVE::QemuServer::qemu_img_format($scfg, $volname); | |
818 | ||
819 | # set by target cluster | |
820 | my $oldvolid = delete $drive->{file}; | |
821 | delete $drive->{format}; | |
822 | ||
823 | my $targetsid = PVE::JSONSchema::map_id($storage_map, $storeid); | |
824 | ||
825 | my $params = { | |
826 | format => $source_format, | |
827 | storage => $targetsid, | |
828 | drive => $drive, | |
829 | }; | |
830 | ||
831 | $self->log('info', "Allocating volume for drive '$ds' on remote storage '$targetsid'.."); | |
832 | my $res = PVE::Tunnel::write_tunnel($self->{tunnel}, 600, 'disk', $params); | |
833 | ||
834 | $self->log('info', "volume '$oldvolid' is '$res->{volid}' on the target\n"); | |
835 | $remote_conf->{$ds} = $res->{drivestr}; | |
836 | $self->{nbd}->{$ds} = $res; | |
837 | }); | |
838 | ||
839 | my $conf_str = PVE::QemuServer::write_vm_config("remote", $remote_conf); | |
840 | ||
841 | # TODO expose in PVE::Firewall? | |
842 | my $vm_fw_conf_path = "/etc/pve/firewall/$vmid.fw"; | |
843 | my $fw_conf_str; | |
844 | $fw_conf_str = PVE::Tools::file_get_contents($vm_fw_conf_path) | |
845 | if -e $vm_fw_conf_path; | |
846 | my $params = { | |
847 | conf => $conf_str, | |
848 | 'firewall-config' => $fw_conf_str, | |
849 | }; | |
850 | ||
851 | PVE::Tunnel::write_tunnel($self->{tunnel}, 10, 'config', $params); | |
852 | } | |
853 | ||
16e903f2 DM |
854 | sub phase1_cleanup { |
855 | my ($self, $vmid, $err) = @_; | |
856 | ||
857 | $self->log('info', "aborting phase 1 - cleanup resources"); | |
858 | ||
1858638f DM |
859 | my $conf = $self->{vmconf}; |
860 | delete $conf->{lock}; | |
ffda963f | 861 | eval { PVE::QemuConfig->write_config($vmid, $conf) }; |
16e903f2 DM |
862 | if (my $err = $@) { |
863 | $self->log('err', $err); | |
864 | } | |
f5eb281a | 865 | |
eb5751ba FE |
866 | eval { $self->cleanup_remotedisks() }; |
867 | if (my $err = $@) { | |
868 | $self->log('err', $err); | |
16e903f2 | 869 | } |
9b6efe43 FG |
870 | |
871 | eval { $self->cleanup_bitmaps() }; | |
872 | if (my $err =$@) { | |
873 | $self->log('err', $err); | |
874 | } | |
16e903f2 DM |
875 | } |
876 | ||
05b2a4ae FG |
877 | sub phase2_start_local_cluster { |
878 | my ($self, $vmid, $params) = @_; | |
1e3baf05 | 879 | |
16e903f2 | 880 | my $conf = $self->{vmconf}; |
c3417e3b | 881 | my $local_volumes = $self->{local_volumes}; |
efe0d457 FE |
882 | my @online_local_volumes = $self->filter_local_volumes('online'); |
883 | ||
05b2a4ae FG |
884 | my $start = $params->{start_params}; |
885 | my $migrate = $params->{migrate_opts}; | |
16e903f2 | 886 | |
46a84fd4 | 887 | $self->log('info', "starting VM $vmid on remote node '$self->{node}'"); |
1e3baf05 | 888 | |
05b2a4ae | 889 | my $tunnel_info = {}; |
7e8dcf2c | 890 | |
19672434 | 891 | ## start on remote node |
95a4b4a9 AD |
892 | my $cmd = [@{$self->{rem_ssh}}]; |
893 | ||
05b2a4ae FG |
894 | push @$cmd, 'qm', 'start', $vmid; |
895 | ||
896 | if ($start->{skiplock}) { | |
897 | push @$cmd, '--skiplock'; | |
95a4b4a9 AD |
898 | } |
899 | ||
05b2a4ae | 900 | push @$cmd, '--migratedfrom', $migrate->{migratedfrom}; |
1c9d54bf | 901 | |
05b2a4ae | 902 | push @$cmd, '--migration_type', $migrate->{type}; |
2de2d6f7 | 903 | |
05b2a4ae FG |
904 | push @$cmd, '--migration_network', $migrate->{network} |
905 | if $migrate->{network}; | |
2de2d6f7 | 906 | |
05b2a4ae | 907 | push @$cmd, '--stateuri', $start->{statefile}; |
2de2d6f7 | 908 | |
05b2a4ae FG |
909 | if ($start->{forcemachine}) { |
910 | push @$cmd, '--machine', $start->{forcemachine}; | |
42668529 DM |
911 | } |
912 | ||
05b2a4ae FG |
913 | if ($start->{forcecpu}) { |
914 | push @$cmd, '--force-cpu', $start->{forcecpu}; | |
58c64ad5 SR |
915 | } |
916 | ||
efe0d457 | 917 | if ($self->{storage_migration}) { |
4530494b | 918 | push @$cmd, '--targetstorage', ($self->{opts}->{targetstorage} // '1'); |
b74cad8a AD |
919 | } |
920 | ||
86b8228b | 921 | my $spice_port; |
05b2a4ae | 922 | my $input = "nbd_protocol_version: $migrate->{nbd_proto_version}\n"; |
fd95d780 | 923 | |
13d121d7 FE |
924 | my @offline_local_volumes = $self->filter_local_volumes('offline'); |
925 | for my $volid (@offline_local_volumes) { | |
926 | my $drivename = $local_volumes->{$volid}->{drivename}; | |
927 | next if !$drivename || !$conf->{$drivename}; | |
928 | ||
929 | my $new_volid = $self->{volume_map}->{$volid}; | |
930 | next if !$new_volid || $volid eq $new_volid; | |
931 | ||
932 | # FIXME PVE 8.x only use offline_volume variant once all targets can handle it | |
933 | if ($drivename eq 'tpmstate0') { | |
934 | $input .= "$drivename: $new_volid\n" | |
935 | } else { | |
936 | $input .= "offline_volume: $drivename: $new_volid\n" | |
937 | } | |
fd95d780 FG |
938 | } |
939 | ||
05b2a4ae | 940 | $input .= "spice_ticket: $migrate->{spice_ticket}\n" if $migrate->{spice_ticket}; |
cee620e6 | 941 | |
4b26ffbf FE |
942 | my @online_replicated_volumes = $self->filter_local_volumes('online', 1); |
943 | foreach my $volid (@online_replicated_volumes) { | |
efe0d457 | 944 | $input .= "replicated_volume: $volid\n"; |
88126be3 FG |
945 | } |
946 | ||
efbbe59d FE |
947 | my $handle_storage_migration_listens = sub { |
948 | my ($drive_key, $drivestr, $nbd_uri) = @_; | |
949 | ||
950 | $self->{stopnbd} = 1; | |
951 | $self->{target_drive}->{$drive_key}->{drivestr} = $drivestr; | |
952 | $self->{target_drive}->{$drive_key}->{nbd_uri} = $nbd_uri; | |
953 | ||
954 | my $source_drive = PVE::QemuServer::parse_drive($drive_key, $conf->{$drive_key}); | |
955 | my $target_drive = PVE::QemuServer::parse_drive($drive_key, $drivestr); | |
956 | my $source_volid = $source_drive->{file}; | |
957 | my $target_volid = $target_drive->{file}; | |
958 | ||
959 | $self->{volume_map}->{$source_volid} = $target_volid; | |
960 | $self->log('info', "volume '$source_volid' is '$target_volid' on the target\n"); | |
961 | }; | |
962 | ||
88126be3 | 963 | my $target_replicated_volumes = {}; |
86b8228b | 964 | |
7c14dcae DM |
965 | # Note: We try to keep $spice_ticket secret (do not pass via command line parameter) |
966 | # instead we pipe it through STDIN | |
7827de41 | 967 | my $exitcode = PVE::Tools::run_command($cmd, input => $input, outfunc => sub { |
1e3baf05 DM |
968 | my $line = shift; |
969 | ||
05b2a4ae FG |
970 | if ($line =~ m/^migration listens on (tcp):(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+)$/) { |
971 | $tunnel_info->{addr} = $2; | |
972 | $tunnel_info->{port} = int($3); | |
973 | $tunnel_info->{proto} = $1; | |
1c9d54bf | 974 | } |
05b2a4ae FG |
975 | elsif ($line =~ m!^migration listens on (unix):(/run/qemu-server/(\d+)\.migrate)$!) { |
976 | $tunnel_info->{addr} = $2; | |
977 | die "Destination UNIX sockets VMID does not match source VMID" if $vmid ne $3; | |
978 | $tunnel_info->{proto} = $1; | |
5bc1e039 SP |
979 | } |
980 | elsif ($line =~ m/^migration listens on port (\d+)$/) { | |
05b2a4ae FG |
981 | $tunnel_info->{addr} = "localhost"; |
982 | $tunnel_info->{port} = int($1); | |
983 | $tunnel_info->{proto} = "tcp"; | |
5bc1e039 | 984 | } |
f3a483b6 | 985 | elsif ($line =~ m/^spice listens on port (\d+)$/) { |
86b8228b | 986 | $spice_port = int($1); |
1e3baf05 | 987 | } |
769f187d | 988 | elsif ($line =~ m/^storage migration listens on nbd:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+):exportname=(\S+) volume:(\S+)$/) { |
8b02e568 | 989 | my $drivestr = $4; |
b74cad8a AD |
990 | my $nbd_uri = "nbd:$1:$2:exportname=$3"; |
991 | my $targetdrive = $3; | |
992 | $targetdrive =~ s/drive-//g; | |
993 | ||
efbbe59d | 994 | $handle_storage_migration_listens->($targetdrive, $drivestr, $nbd_uri); |
7827de41 ML |
995 | } elsif ($line =~ m!^storage migration listens on nbd:unix:(/run/qemu-server/(\d+)_nbd\.migrate):exportname=(\S+) volume:(\S+)$!) { |
996 | my $drivestr = $4; | |
997 | die "Destination UNIX socket's VMID does not match source VMID" if $vmid ne $2; | |
998 | my $nbd_unix_addr = $1; | |
999 | my $nbd_uri = "nbd:unix:$nbd_unix_addr:exportname=$3"; | |
1000 | my $targetdrive = $3; | |
1001 | $targetdrive =~ s/drive-//g; | |
b74cad8a | 1002 | |
efbbe59d | 1003 | $handle_storage_migration_listens->($targetdrive, $drivestr, $nbd_uri); |
05b2a4ae | 1004 | $tunnel_info->{unix_sockets}->{$nbd_unix_addr} = 1; |
88126be3 FG |
1005 | } elsif ($line =~ m/^re-using replicated volume: (\S+) - (.*)$/) { |
1006 | my $drive = $1; | |
1007 | my $volid = $2; | |
1008 | $target_replicated_volumes->{$volid} = $drive; | |
8bf30c2a SR |
1009 | } elsif ($line =~ m/^QEMU: (.*)$/) { |
1010 | $self->log('info', "[$self->{node}] $1\n"); | |
b74cad8a | 1011 | } |
ab399b7c AD |
1012 | }, errfunc => sub { |
1013 | my $line = shift; | |
8bf30c2a | 1014 | $self->log('info', "[$self->{node}] $line"); |
6e0216d8 SR |
1015 | }, noerr => 1); |
1016 | ||
1017 | die "remote command failed with exit code $exitcode\n" if $exitcode; | |
1e3baf05 | 1018 | |
05b2a4ae | 1019 | die "unable to detect remote migration address\n" if !$tunnel_info->{addr} || !$tunnel_info->{proto}; |
1ef75254 | 1020 | |
4b26ffbf | 1021 | if (scalar(keys %$target_replicated_volumes) != scalar(@online_replicated_volumes)) { |
88126be3 FG |
1022 | die "number of replicated disks on source and target node do not match - target node too old?\n" |
1023 | } | |
1024 | ||
05b2a4ae FG |
1025 | return ($tunnel_info, $spice_port); |
1026 | } | |
1027 | ||
eef93bc5 FG |
1028 | sub phase2_start_remote_cluster { |
1029 | my ($self, $vmid, $params) = @_; | |
1030 | ||
1031 | die "insecure migration to remote cluster not implemented\n" | |
1032 | if $params->{migrate_opts}->{type} ne 'websocket'; | |
1033 | ||
1034 | my $remote_vmid = $self->{opts}->{remote}->{vmid}; | |
1035 | ||
1036 | # like regular start but with some overhead accounted for | |
7f8c8087 AD |
1037 | my $memory = get_current_memory($self->{vmconf}->{memory}); |
1038 | my $timeout = PVE::QemuServer::Helpers::config_aware_timeout($self->{vmconf}, $memory) + 10; | |
eef93bc5 FG |
1039 | |
1040 | my $res = PVE::Tunnel::write_tunnel($self->{tunnel}, $timeout, "start", $params); | |
1041 | ||
1042 | foreach my $drive (keys %{$res->{drives}}) { | |
1043 | $self->{stopnbd} = 1; | |
1044 | $self->{target_drive}->{$drive}->{drivestr} = $res->{drives}->{$drive}->{drivestr}; | |
1045 | my $nbd_uri = $res->{drives}->{$drive}->{nbd_uri}; | |
1046 | die "unexpected NBD uri for '$drive': $nbd_uri\n" | |
1047 | if $nbd_uri !~ s!/run/qemu-server/$remote_vmid\_!/run/qemu-server/$vmid\_!; | |
1048 | ||
1049 | $self->{target_drive}->{$drive}->{nbd_uri} = $nbd_uri; | |
1050 | } | |
1051 | ||
1052 | return ($res->{migrate}, $res->{spice_port}); | |
1053 | } | |
1054 | ||
05b2a4ae FG |
1055 | sub phase2 { |
1056 | my ($self, $vmid) = @_; | |
1057 | ||
1058 | my $conf = $self->{vmconf}; | |
eef93bc5 | 1059 | my $local_volumes = $self->{local_volumes}; |
05b2a4ae FG |
1060 | |
1061 | # version > 0 for unix socket support | |
1062 | my $nbd_protocol_version = 1; | |
1063 | ||
1064 | my $spice_ticket; | |
1065 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga})) { | |
1066 | my $res = mon_cmd($vmid, 'query-spice'); | |
1067 | $spice_ticket = $res->{ticket}; | |
1068 | } | |
1069 | ||
1070 | my $migration_type = $self->{opts}->{migration_type}; | |
1071 | my $state_uri = $migration_type eq 'insecure' ? 'tcp' : 'unix'; | |
1072 | ||
1073 | my $params = { | |
1074 | start_params => { | |
1075 | statefile => $state_uri, | |
1076 | forcemachine => $self->{forcemachine}, | |
1077 | forcecpu => $self->{forcecpu}, | |
1078 | skiplock => 1, | |
1079 | }, | |
1080 | migrate_opts => { | |
1081 | spice_ticket => $spice_ticket, | |
1082 | type => $migration_type, | |
1083 | network => $self->{opts}->{migration_network}, | |
1084 | storagemap => $self->{opts}->{storagemap}, | |
1085 | migratedfrom => PVE::INotify::nodename(), | |
1086 | nbd_proto_version => $nbd_protocol_version, | |
1087 | nbd => $self->{nbd}, | |
1088 | }, | |
1089 | }; | |
1090 | ||
eef93bc5 | 1091 | my ($tunnel_info, $spice_port); |
05b2a4ae | 1092 | |
eef93bc5 FG |
1093 | my @online_local_volumes = $self->filter_local_volumes('online'); |
1094 | $self->{storage_migration} = 1 if scalar(@online_local_volumes); | |
1095 | ||
1096 | if (my $remote = $self->{opts}->{remote}) { | |
1097 | my $remote_vmid = $remote->{vmid}; | |
1098 | $params->{migrate_opts}->{remote_node} = $self->{node}; | |
1099 | ($tunnel_info, $spice_port) = $self->phase2_start_remote_cluster($vmid, $params); | |
1100 | die "only UNIX sockets are supported for remote migration\n" | |
1101 | if $tunnel_info->{proto} ne 'unix'; | |
1102 | ||
1103 | my $remote_socket = $tunnel_info->{addr}; | |
1104 | my $local_socket = $remote_socket; | |
1105 | $local_socket =~ s/$remote_vmid/$vmid/g; | |
1106 | $tunnel_info->{addr} = $local_socket; | |
1107 | ||
1108 | $self->log('info', "Setting up tunnel for '$local_socket'"); | |
1109 | PVE::Tunnel::forward_unix_socket($self->{tunnel}, $local_socket, $remote_socket); | |
1110 | ||
1111 | foreach my $remote_socket (@{$tunnel_info->{unix_sockets}}) { | |
1112 | my $local_socket = $remote_socket; | |
1113 | $local_socket =~ s/$remote_vmid/$vmid/g; | |
1114 | next if $self->{tunnel}->{forwarded}->{$local_socket}; | |
1115 | $self->log('info', "Setting up tunnel for '$local_socket'"); | |
1116 | PVE::Tunnel::forward_unix_socket($self->{tunnel}, $local_socket, $remote_socket); | |
1117 | } | |
1118 | } else { | |
1119 | ($tunnel_info, $spice_port) = $self->phase2_start_local_cluster($vmid, $params); | |
1120 | ||
1121 | $self->log('info', "start remote tunnel"); | |
1122 | $self->start_remote_tunnel($tunnel_info); | |
1123 | } | |
05b2a4ae FG |
1124 | |
1125 | my $migrate_uri = "$tunnel_info->{proto}:$tunnel_info->{addr}"; | |
1126 | $migrate_uri .= ":$tunnel_info->{port}" | |
1127 | if defined($tunnel_info->{port}); | |
d296ed08 | 1128 | |
efe0d457 | 1129 | if ($self->{storage_migration}) { |
b74cad8a AD |
1130 | $self->{storage_migration_jobs} = {}; |
1131 | $self->log('info', "starting storage migration"); | |
1132 | ||
bd2d5fe6 | 1133 | die "The number of local disks does not match between the source and the destination.\n" |
efe0d457 | 1134 | if (scalar(keys %{$self->{target_drive}}) != scalar(@online_local_volumes)); |
b74cad8a | 1135 | foreach my $drive (keys %{$self->{target_drive}}){ |
d189e590 SI |
1136 | my $target = $self->{target_drive}->{$drive}; |
1137 | my $nbd_uri = $target->{nbd_uri}; | |
683ab654 | 1138 | |
1764fa05 | 1139 | my $source_drive = PVE::QemuServer::parse_drive($drive, $conf->{$drive}); |
97ece9dd | 1140 | my $source_volid = $source_drive->{file}; |
97ece9dd | 1141 | |
05b2a4ae | 1142 | my $bwlimit = $self->{local_volumes}->{$source_volid}->{bwlimit}; |
9b6efe43 | 1143 | my $bitmap = $target->{bitmap}; |
d189e590 | 1144 | |
d108cb1e | 1145 | $self->log('info', "$drive: start migration to $nbd_uri"); |
9b6efe43 | 1146 | PVE::QemuServer::qemu_drive_mirror($vmid, $drive, $nbd_uri, $vmid, undef, $self->{storage_migration_jobs}, 'skip', undef, $bwlimit, $bitmap); |
b74cad8a AD |
1147 | } |
1148 | } | |
1149 | ||
05b2a4ae | 1150 | $self->log('info', "starting online/live migration on $migrate_uri"); |
5bc1e039 | 1151 | $self->{livemigration} = 1; |
e18b0b99 | 1152 | |
3beb415b AD |
1153 | # load_defaults |
1154 | my $defaults = PVE::QemuServer::load_defaults(); | |
1155 | ||
7de328c6 TL |
1156 | $self->log('info', "set migration capabilities"); |
1157 | eval { PVE::QemuServer::set_migration_caps($vmid) }; | |
485449e3 SR |
1158 | warn $@ if $@; |
1159 | ||
1160 | my $qemu_migrate_params = {}; | |
1161 | ||
ddd664d7 SI |
1162 | # migrate speed can be set via bwlimit (datacenter.cfg and API) and via the |
1163 | # migrate_speed parameter in qm.conf - take the lower of the two. | |
eef93bc5 FG |
1164 | my $bwlimit = $self->get_bwlimit(); |
1165 | ||
2c4ba4c3 | 1166 | my $migrate_speed = $conf->{migrate_speed} // 0; |
8f43ac48 | 1167 | $migrate_speed *= 1024; # migrate_speed is in MB/s, bwlimit in KB/s |
ddd664d7 | 1168 | |
2c4ba4c3 FE |
1169 | if ($bwlimit && $migrate_speed) { |
1170 | $migrate_speed = ($bwlimit < $migrate_speed) ? $bwlimit : $migrate_speed; | |
1171 | } else { | |
1172 | $migrate_speed ||= $bwlimit; | |
1173 | } | |
a89bd100 | 1174 | $migrate_speed ||= ($defaults->{migrate_speed} || 0) * 1024; |
ddd664d7 | 1175 | |
a89bd100 TL |
1176 | if ($migrate_speed) { |
1177 | $migrate_speed *= 1024; # qmp takes migrate_speed in B/s. | |
0fca250a | 1178 | $self->log('info', "migration speed limit: ". render_bytes($migrate_speed, 1) ."/s"); |
8f43ac48 TL |
1179 | } else { |
1180 | # always set migrate speed as QEMU default to 128 MiBps == 1 Gbps, use 16 GiBps == 128 Gbps | |
1181 | $migrate_speed = (16 << 30); | |
a89bd100 | 1182 | } |
8f43ac48 | 1183 | $qemu_migrate_params->{'max-bandwidth'} = int($migrate_speed); |
3beb415b AD |
1184 | |
1185 | my $migrate_downtime = $defaults->{migrate_downtime}; | |
1186 | $migrate_downtime = $conf->{migrate_downtime} if defined($conf->{migrate_downtime}); | |
c05f1b33 SR |
1187 | # migrate-set-parameters expects limit in ms |
1188 | $migrate_downtime *= 1000; | |
1189 | $self->log('info', "migration downtime limit: $migrate_downtime ms"); | |
1190 | $qemu_migrate_params->{'downtime-limit'} = int($migrate_downtime); | |
3beb415b | 1191 | |
171ed95c | 1192 | # set cachesize to 10% of the total memory |
7f8c8087 | 1193 | my $memory = get_current_memory($conf->{memory}); |
171ed95c | 1194 | my $cachesize = int($memory * 1048576 / 10); |
50d8dd5d AD |
1195 | $cachesize = round_powerof2($cachesize); |
1196 | ||
0fca250a | 1197 | $self->log('info', "migration cachesize: " . render_bytes($cachesize, 1)); |
485449e3 SR |
1198 | $qemu_migrate_params->{'xbzrle-cache-size'} = int($cachesize); |
1199 | ||
1200 | $self->log('info', "set migration parameters"); | |
e18b0b99 | 1201 | eval { |
485449e3 | 1202 | mon_cmd($vmid, "migrate-set-parameters", %{$qemu_migrate_params}); |
e18b0b99 | 1203 | }; |
485449e3 | 1204 | $self->log('info', "migrate-set-parameters error: $@") if $@; |
f34d1466 | 1205 | |
eef93bc5 | 1206 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga}) && !$self->{opts}->{remote}) { |
95a4b4a9 AD |
1207 | my $rpcenv = PVE::RPCEnvironment::get(); |
1208 | my $authuser = $rpcenv->get_user(); | |
1209 | ||
86b8228b | 1210 | my (undef, $proxyticket) = PVE::AccessControl::assemble_spice_ticket($authuser, $vmid, $self->{node}); |
95a4b4a9 | 1211 | |
86b8228b | 1212 | my $filename = "/etc/pve/nodes/$self->{node}/pve-ssl.pem"; |
769f187d | 1213 | my $subject = PVE::AccessControl::read_x509_subject_spice($filename); |
95a4b4a9 AD |
1214 | |
1215 | $self->log('info', "spice client_migrate_info"); | |
1216 | ||
1217 | eval { | |
0a13e08e | 1218 | mon_cmd($vmid, "client_migrate_info", protocol => 'spice', |
ccab68c2 | 1219 | hostname => $proxyticket, 'port' => 0, 'tls-port' => $spice_port, |
86b8228b | 1220 | 'cert-subject' => $subject); |
95a4b4a9 AD |
1221 | }; |
1222 | $self->log('info', "client_migrate_info error: $@") if $@; | |
1223 | ||
1224 | } | |
1225 | ||
9938d24d FE |
1226 | my $start = time(); |
1227 | ||
05b2a4ae | 1228 | $self->log('info', "start migrate command to $migrate_uri"); |
5a7835f5 | 1229 | eval { |
05b2a4ae | 1230 | mon_cmd($vmid, "migrate", uri => $migrate_uri); |
5a7835f5 AD |
1231 | }; |
1232 | my $merr = $@; | |
05b2a4ae | 1233 | $self->log('info', "migrate uri => $migrate_uri failed: $merr") if $merr; |
1e3baf05 | 1234 | |
e693c491 | 1235 | my $last_mem_transferred = 0; |
4305207d | 1236 | my $usleep = 1000000; |
e52bd94c | 1237 | my $i = 0; |
b0b756c1 | 1238 | my $err_count = 0; |
865ef132 SP |
1239 | my $lastrem = undef; |
1240 | my $downtimecounter = 0; | |
1e3baf05 | 1241 | while (1) { |
e52bd94c | 1242 | $i++; |
e693c491 | 1243 | my $avglstat = $last_mem_transferred ? $last_mem_transferred / $i : 0; |
e52bd94c | 1244 | |
b0b756c1 | 1245 | usleep($usleep); |
6539865a TL |
1246 | |
1247 | my $stat = eval { mon_cmd($vmid, "query-migrate") }; | |
b0b756c1 DM |
1248 | if (my $err = $@) { |
1249 | $err_count++; | |
1250 | warn "query migrate failed: $err\n"; | |
f34d1466 | 1251 | $self->log('info', "query migrate failed: $err"); |
b0b756c1 | 1252 | if ($err_count <= 5) { |
6539865a | 1253 | usleep(1_000_000); |
b0b756c1 DM |
1254 | next; |
1255 | } | |
1256 | die "too many query migrate failures - aborting\n"; | |
1257 | } | |
985a5f48 | 1258 | |
6539865a TL |
1259 | my $status = $stat->{status}; |
1260 | if (defined($status) && $status =~ m/^(setup)$/im) { | |
1261 | sleep(1); | |
1262 | next; | |
1263 | } | |
f5eb281a | 1264 | |
6539865a TL |
1265 | if (!defined($status) || $status !~ m/^(active|completed|failed|cancelled)$/im) { |
1266 | die $merr if $merr; | |
1267 | die "unable to parse migration status '$status' - aborting\n"; | |
1268 | } | |
1269 | $merr = undef; | |
1270 | $err_count = 0; | |
1271 | ||
e693c491 TL |
1272 | my $memstat = $stat->{ram}; |
1273 | ||
6539865a TL |
1274 | if ($status eq 'completed') { |
1275 | my $delay = time() - $start; | |
1276 | if ($delay > 0) { | |
0fca250a TL |
1277 | my $total = $memstat->{total} || 0; |
1278 | my $avg_speed = render_bytes($total / $delay, 1); | |
6539865a | 1279 | my $downtime = $stat->{downtime} || 0; |
0fca250a | 1280 | $self->log('info', "average migration speed: $avg_speed/s - downtime $downtime ms"); |
1e3baf05 | 1281 | } |
6539865a | 1282 | } |
1e3baf05 | 1283 | |
6539865a | 1284 | if ($status eq 'failed' || $status eq 'cancelled') { |
55d07411 FE |
1285 | my $message = $stat->{'error-desc'} ? "$status - $stat->{'error-desc'}" : $status; |
1286 | $self->log('info', "migration status error: $message"); | |
6539865a TL |
1287 | die "aborting\n" |
1288 | } | |
a05b47a8 | 1289 | |
6539865a TL |
1290 | if ($status ne 'active') { |
1291 | $self->log('info', "migration status: $status"); | |
1292 | last; | |
1293 | } | |
2e787b18 | 1294 | |
e693c491 TL |
1295 | if ($memstat->{transferred} ne $last_mem_transferred) { |
1296 | my $trans = $memstat->{transferred} || 0; | |
1297 | my $rem = $memstat->{remaining} || 0; | |
1298 | my $total = $memstat->{total} || 0; | |
0fca250a TL |
1299 | my $speed = ($memstat->{'pages-per-second'} // 0) * ($memstat->{'page-size'} // 0); |
1300 | my $dirty_rate = ($memstat->{'dirty-pages-rate'} // 0) * ($memstat->{'page-size'} // 0); | |
a05b47a8 | 1301 | |
6539865a TL |
1302 | # reduce sleep if remainig memory is lower than the average transfer speed |
1303 | $usleep = 100_000 if $avglstat && $rem < $avglstat; | |
865ef132 | 1304 | |
b68a957b TL |
1305 | # also reduce loggin if we poll more frequent |
1306 | my $should_log = $usleep > 100_000 ? 1 : ($i % 10) == 0; | |
370b05e7 | 1307 | |
0fca250a TL |
1308 | my $total_h = render_bytes($total, 1); |
1309 | my $transferred_h = render_bytes($trans, 1); | |
1310 | my $speed_h = render_bytes($speed, 1); | |
1311 | ||
1312 | my $progress = "transferred $transferred_h of $total_h VM-state, ${speed_h}/s"; | |
1313 | ||
1314 | if ($dirty_rate > $speed) { | |
1315 | my $dirty_rate_h = render_bytes($dirty_rate, 1); | |
1316 | $progress .= ", VM dirties lots of memory: $dirty_rate_h/s"; | |
1317 | } | |
1318 | ||
b68a957b | 1319 | $self->log('info', "migration $status, $progress") if $should_log; |
0fca250a TL |
1320 | |
1321 | my $xbzrle = $stat->{"xbzrle-cache"} || {}; | |
1322 | my ($xbzrlebytes, $xbzrlepages) = $xbzrle->@{'bytes', 'pages'}; | |
1323 | if ($xbzrlebytes || $xbzrlepages) { | |
1324 | my $bytes_h = render_bytes($xbzrlebytes, 1); | |
1325 | ||
1326 | my $msg = "send updates to $xbzrlepages pages in $bytes_h encoded memory"; | |
1327 | ||
1328 | $msg .= sprintf(", cache-miss %.2f%%", $xbzrle->{'cache-miss-rate'} * 100) | |
1329 | if $xbzrle->{'cache-miss-rate'}; | |
1330 | ||
1331 | $msg .= ", overflow $xbzrle->{overflow}" if $xbzrle->{overflow}; | |
1332 | ||
b68a957b | 1333 | $self->log('info', "xbzrle: $msg") if $should_log; |
6539865a TL |
1334 | } |
1335 | ||
e693c491 | 1336 | if (($lastrem && $rem > $lastrem) || ($rem == 0)) { |
6539865a TL |
1337 | $downtimecounter++; |
1338 | } | |
1339 | $lastrem = $rem; | |
1340 | ||
1341 | if ($downtimecounter > 5) { | |
1342 | $downtimecounter = 0; | |
1343 | $migrate_downtime *= 2; | |
1344 | $self->log('info', "auto-increased downtime to continue migration: $migrate_downtime ms"); | |
1345 | eval { | |
1346 | # migrate-set-parameters does not touch values not | |
1347 | # specified, so this only changes downtime-limit | |
1348 | mon_cmd($vmid, "migrate-set-parameters", 'downtime-limit' => int($migrate_downtime)); | |
1349 | }; | |
1350 | $self->log('info', "migrate-set-parameters error: $@") if $@; | |
1351 | } | |
1e3baf05 | 1352 | } |
6539865a | 1353 | |
e693c491 | 1354 | $last_mem_transferred = $memstat->{transferred}; |
a05b47a8 | 1355 | } |
0783c3c2 FE |
1356 | |
1357 | if ($self->{storage_migration}) { | |
1358 | # finish block-job with block-job-cancel, to disconnect source VM from NBD | |
1359 | # to avoid it trying to re-establish it. We are in blockjob ready state, | |
1360 | # thus, this command changes to it to blockjob complete (see qapi docs) | |
1361 | eval { PVE::QemuServer::qemu_drive_mirror_monitor($vmid, undef, $self->{storage_migration_jobs}, 'cancel'); }; | |
1362 | if (my $err = $@) { | |
1363 | die "Failed to complete storage migration: $err\n"; | |
1364 | } | |
1365 | } | |
1e3baf05 | 1366 | } |
16e903f2 | 1367 | |
c04b5b04 AD |
1368 | sub phase2_cleanup { |
1369 | my ($self, $vmid, $err) = @_; | |
1370 | ||
af30308f DM |
1371 | return if !$self->{errors}; |
1372 | $self->{phase2errors} = 1; | |
1373 | ||
c04b5b04 AD |
1374 | $self->log('info', "aborting phase 2 - cleanup resources"); |
1375 | ||
19168b91 SP |
1376 | $self->log('info', "migrate_cancel"); |
1377 | eval { | |
0a13e08e | 1378 | mon_cmd($vmid, "migrate_cancel"); |
19168b91 SP |
1379 | }; |
1380 | $self->log('info', "migrate_cancel error: $@") if $@; | |
1381 | ||
8a0d269b FE |
1382 | my $vm_status = eval { |
1383 | mon_cmd($vmid, 'query-status')->{status} or die "no 'status' in result\n"; | |
1384 | }; | |
1385 | $self->log('err', "query-status error: $@") if $@; | |
1386 | ||
1387 | # Can end up in POSTMIGRATE state if failure occurred after convergence. Try going back to | |
1388 | # original state. Unfortunately, direct transition from POSTMIGRATE to PAUSED is not possible. | |
1389 | if ($vm_status && $vm_status eq 'postmigrate') { | |
1390 | if (!$self->{vm_was_paused}) { | |
1391 | eval { mon_cmd($vmid, 'cont'); }; | |
1392 | $self->log('err', "resuming VM failed: $@") if $@; | |
1393 | } else { | |
1394 | $self->log('err', "VM was paused, but ended in postmigrate state"); | |
1395 | } | |
1396 | } | |
1397 | ||
c04b5b04 AD |
1398 | my $conf = $self->{vmconf}; |
1399 | delete $conf->{lock}; | |
ffda963f | 1400 | eval { PVE::QemuConfig->write_config($vmid, $conf) }; |
c04b5b04 AD |
1401 | if (my $err = $@) { |
1402 | $self->log('err', $err); | |
1403 | } | |
1404 | ||
af30308f | 1405 | # cleanup ressources on target host |
3b4cf0f0 | 1406 | if ($self->{storage_migration}) { |
b74cad8a AD |
1407 | eval { PVE::QemuServer::qemu_blockjobs_cancel($vmid, $self->{storage_migration_jobs}) }; |
1408 | if (my $err = $@) { | |
1409 | $self->log('err', $err); | |
1410 | } | |
9b3f5a5c | 1411 | } |
b74cad8a | 1412 | |
9b3f5a5c FG |
1413 | eval { $self->cleanup_bitmaps() }; |
1414 | if (my $err =$@) { | |
1415 | $self->log('err', $err); | |
b74cad8a AD |
1416 | } |
1417 | ||
af30308f | 1418 | my $nodename = PVE::INotify::nodename(); |
370b05e7 | 1419 | |
eef93bc5 FG |
1420 | if ($self->{tunnel} && $self->{tunnel}->{version} >= 2) { |
1421 | PVE::Tunnel::write_tunnel($self->{tunnel}, 10, 'stop'); | |
1422 | } else { | |
1423 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'stop', $vmid, '--skiplock', '--migratedfrom', $nodename]; | |
1424 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
1425 | if (my $err = $@) { | |
1426 | $self->log('err', $err); | |
1427 | $self->{errors} = 1; | |
1428 | } | |
af30308f | 1429 | } |
386c6ba7 | 1430 | |
9b3f5a5c FG |
1431 | # cleanup after stopping, otherwise disks might be in-use by target VM! |
1432 | eval { PVE::QemuMigrate::cleanup_remotedisks($self) }; | |
1433 | if (my $err = $@) { | |
1434 | $self->log('err', $err); | |
1435 | } | |
1436 | ||
1437 | ||
386c6ba7 | 1438 | if ($self->{tunnel}) { |
e594231b | 1439 | eval { PVE::Tunnel::finish_tunnel($self->{tunnel}); }; |
386c6ba7 WL |
1440 | if (my $err = $@) { |
1441 | $self->log('err', $err); | |
1442 | $self->{errors} = 1; | |
1443 | } | |
1444 | } | |
c04b5b04 AD |
1445 | } |
1446 | ||
16e903f2 DM |
1447 | sub phase3 { |
1448 | my ($self, $vmid) = @_; | |
f5eb281a | 1449 | |
ad8b9d5e | 1450 | return; |
16e903f2 DM |
1451 | } |
1452 | ||
1453 | sub phase3_cleanup { | |
1454 | my ($self, $vmid, $err) = @_; | |
1455 | ||
1456 | my $conf = $self->{vmconf}; | |
af30308f | 1457 | return if $self->{phase2errors}; |
16e903f2 | 1458 | |
1d5aaa1d FG |
1459 | my $tunnel = $self->{tunnel}; |
1460 | ||
629923d0 HD |
1461 | my $sourcevollist = PVE::QemuServer::get_vm_volumes($conf); |
1462 | ||
eef93bc5 | 1463 | if ($self->{volume_map} && !$self->{opts}->{remote}) { |
38311a1d TL |
1464 | my $target_drives = $self->{target_drive}; |
1465 | ||
1466 | # FIXME: for NBD storage migration we now only update the volid, and | |
1467 | # not the full drivestr from the target node. Workaround that until we | |
1468 | # got some real rescan, to avoid things like wrong format in the drive | |
1469 | delete $conf->{$_} for keys %$target_drives; | |
97ece9dd | 1470 | PVE::QemuConfig->update_volume_ids($conf, $self->{volume_map}); |
38311a1d TL |
1471 | |
1472 | for my $drive (keys %$target_drives) { | |
1473 | $conf->{$drive} = $target_drives->{$drive}->{drivestr}; | |
1474 | } | |
37666e4c FE |
1475 | PVE::QemuConfig->write_config($vmid, $conf); |
1476 | } | |
1477 | ||
dbc9420b | 1478 | # transfer replication state before move config |
eef93bc5 FG |
1479 | if (!$self->{opts}->{remote}) { |
1480 | $self->transfer_replication_state() if $self->{is_replicated}; | |
1481 | PVE::QemuConfig->move_config_to_node($vmid, $self->{node}); | |
1482 | $self->switch_replication_job_target() if $self->{is_replicated}; | |
1483 | } | |
dbc9420b | 1484 | |
5bc1e039 | 1485 | if ($self->{livemigration}) { |
3e802221 TL |
1486 | if ($self->{stopnbd}) { |
1487 | $self->log('info', "stopping NBD storage migration server on target."); | |
504105c6 | 1488 | # stop nbd server on remote vm - requirement for resume since 2.9 |
eef93bc5 | 1489 | if ($tunnel && $tunnel->{version} && $tunnel->{version} >= 2) { |
c2f44820 AD |
1490 | eval { |
1491 | PVE::Tunnel::write_tunnel($tunnel, 30, 'nbdstop'); | |
1492 | }; | |
1493 | if (my $err = $@) { | |
1494 | $self->log('err', $err); | |
1495 | $self->{errors} = 1; | |
1496 | } | |
eef93bc5 FG |
1497 | } else { |
1498 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'nbdstop', $vmid]; | |
504105c6 | 1499 | |
eef93bc5 FG |
1500 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; |
1501 | if (my $err = $@) { | |
1502 | $self->log('err', $err); | |
1503 | $self->{errors} = 1; | |
1504 | } | |
504105c6 FG |
1505 | } |
1506 | } | |
1d5aaa1d | 1507 | |
73ed6496 AD |
1508 | # deletes local FDB entries if learning is disabled, they'll be re-added on target on resume |
1509 | PVE::QemuServer::del_nets_bridge_fdb($conf, $vmid); | |
1510 | ||
a183576e FE |
1511 | if (!$self->{vm_was_paused}) { |
1512 | # config moved and nbd server stopped - now we can resume vm on target | |
1513 | if ($tunnel && $tunnel->{version} && $tunnel->{version} >= 1) { | |
eef93bc5 | 1514 | my $cmd = $tunnel->{version} == 1 ? "resume $vmid" : "resume"; |
a183576e | 1515 | eval { |
eef93bc5 | 1516 | PVE::Tunnel::write_tunnel($tunnel, 30, $cmd); |
a183576e FE |
1517 | }; |
1518 | if (my $err = $@) { | |
1519 | $self->log('err', $err); | |
1520 | $self->{errors} = 1; | |
1521 | } | |
1522 | } else { | |
a20dc58a | 1523 | # nocheck in case target node hasn't processed the config move/rename yet |
a183576e FE |
1524 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'resume', $vmid, '--skiplock', '--nocheck']; |
1525 | my $logf = sub { | |
1526 | my $line = shift; | |
1527 | $self->log('err', $line); | |
1528 | }; | |
1529 | eval { PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => $logf); }; | |
1530 | if (my $err = $@) { | |
1531 | $self->log('err', $err); | |
1532 | $self->{errors} = 1; | |
1533 | } | |
1d5aaa1d | 1534 | } |
0028391f | 1535 | } |
ca662131 | 1536 | |
0028391f FE |
1537 | if ( |
1538 | $self->{storage_migration} | |
1539 | && PVE::QemuServer::parse_guest_agent($conf)->{fstrim_cloned_disks} | |
1540 | && $self->{running} | |
1541 | ) { | |
1542 | if (!$self->{vm_was_paused}) { | |
1543 | $self->log('info', "issuing guest fstrim"); | |
eef93bc5 FG |
1544 | if ($self->{opts}->{remote}) { |
1545 | PVE::Tunnel::write_tunnel($self->{tunnel}, 600, 'fstrim'); | |
1546 | } else { | |
1547 | my $cmd = [@{$self->{rem_ssh}}, 'qm', 'guest', 'cmd', $vmid, 'fstrim']; | |
1548 | eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) }; | |
1549 | if (my $err = $@) { | |
1550 | $self->log('err', "fstrim failed - $err"); | |
1551 | $self->{errors} = 1; | |
1552 | } | |
0028391f FE |
1553 | } |
1554 | } else { | |
1555 | $self->log('info', "skipping guest fstrim, because VM is paused"); | |
a183576e | 1556 | } |
ca662131 | 1557 | } |
b67900f1 AD |
1558 | } |
1559 | ||
2e7fee87 | 1560 | # close tunnel on successful migration, on error phase2_cleanup closed it |
eef93bc5 | 1561 | if ($tunnel && $tunnel->{version} == 1) { |
e594231b | 1562 | eval { PVE::Tunnel::finish_tunnel($tunnel); }; |
2e7fee87 FG |
1563 | if (my $err = $@) { |
1564 | $self->log('err', $err); | |
1565 | $self->{errors} = 1; | |
1566 | } | |
eef93bc5 FG |
1567 | $tunnel = undef; |
1568 | delete $self->{tunnel}; | |
2e7fee87 FG |
1569 | } |
1570 | ||
fd8469f7 | 1571 | eval { |
fd8469f7 AD |
1572 | my $timer = 0; |
1573 | if (PVE::QemuServer::vga_conf_has_spice($conf->{vga}) && $self->{running}) { | |
1574 | $self->log('info', "Waiting for spice server migration"); | |
1575 | while (1) { | |
0a13e08e | 1576 | my $res = mon_cmd($vmid, 'query-spice'); |
fd8469f7 AD |
1577 | last if int($res->{'migrated'}) == 1; |
1578 | last if $timer > 50; | |
1579 | $timer ++; | |
1580 | usleep(200000); | |
769f187d | 1581 | } |
fd8469f7 AD |
1582 | } |
1583 | }; | |
95a4b4a9 | 1584 | |
a20dc58a | 1585 | # always stop local VM with nocheck, since config is moved already |
16e903f2 DM |
1586 | eval { PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, 1, 1); }; |
1587 | if (my $err = $@) { | |
1588 | $self->log('err', "stopping vm failed - $err"); | |
1589 | $self->{errors} = 1; | |
1590 | } | |
1591 | ||
1592 | # always deactivate volumes - avoid lvm LVs to be active on several nodes | |
1593 | eval { | |
629923d0 | 1594 | PVE::Storage::deactivate_volumes($self->{storecfg}, $sourcevollist); |
16e903f2 DM |
1595 | }; |
1596 | if (my $err = $@) { | |
1597 | $self->log('err', $err); | |
1598 | $self->{errors} = 1; | |
1599 | } | |
1600 | ||
4b26ffbf | 1601 | my @not_replicated_volumes = $self->filter_local_volumes(undef, 0); |
9b6efe43 | 1602 | |
4b26ffbf FE |
1603 | # destroy local copies |
1604 | foreach my $volid (@not_replicated_volumes) { | |
eef93bc5 FG |
1605 | # remote is cleaned up below |
1606 | next if $self->{opts}->{remote}; | |
1607 | ||
ad8b9d5e FE |
1608 | eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); }; |
1609 | if (my $err = $@) { | |
1610 | $self->log('err', "removing local copy of '$volid' failed - $err"); | |
1611 | $self->{errors} = 1; | |
1612 | last if $err =~ /^interrupted by signal$/; | |
b74cad8a | 1613 | } |
b74cad8a AD |
1614 | } |
1615 | ||
16e903f2 | 1616 | # clear migrate lock |
eef93bc5 FG |
1617 | if ($tunnel && $tunnel->{version} >= 2) { |
1618 | PVE::Tunnel::write_tunnel($tunnel, 10, "unlock"); | |
1619 | ||
1620 | PVE::Tunnel::finish_tunnel($tunnel); | |
1621 | } else { | |
1622 | my $cmd = [ @{$self->{rem_ssh}}, 'qm', 'unlock', $vmid ]; | |
1623 | $self->cmd_logerr($cmd, errmsg => "failed to clear migrate lock"); | |
1624 | } | |
1625 | ||
1626 | if ($self->{opts}->{remote} && $self->{opts}->{delete}) { | |
1627 | eval { PVE::QemuServer::destroy_vm($self->{storecfg}, $vmid, 1, undef, 0) }; | |
1628 | warn "Failed to remove source VM - $@\n" if $@; | |
1629 | } | |
16e903f2 DM |
1630 | } |
1631 | ||
1632 | sub final_cleanup { | |
1633 | my ($self, $vmid) = @_; | |
1634 | ||
1635 | # nothing to do | |
1636 | } | |
1637 | ||
50d8dd5d AD |
1638 | sub round_powerof2 { |
1639 | return 1 if $_[0] < 2; | |
1640 | return 2 << int(log($_[0]-1)/log(2)); | |
1641 | } | |
1642 | ||
16e903f2 | 1643 | 1; |