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