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Commit | Line | Data |
---|---|---|
1e3baf05 DM |
1 | package PVE::VZDump::QemuServer; |
2 | ||
1e3baf05 DM |
3 | use strict; |
4 | use warnings; | |
d610b145 | 5 | |
1e3baf05 | 6 | use File::Basename; |
d610b145 TL |
7 | use File::Path; |
8 | use IO::File; | |
9 | use IPC::Open3; | |
10 | ||
11 | use PVE::Cluster qw(cfs_read_file); | |
66ab1d91 | 12 | use PVE::INotify; |
91bd6c90 | 13 | use PVE::IPCC; |
d610b145 | 14 | use PVE::JSONSchema; |
0a13e08e | 15 | use PVE::QMPClient; |
f5bdefa4 | 16 | use PVE::Storage::Plugin; |
c5983223 | 17 | use PVE::Storage::PBSPlugin; |
1e3baf05 | 18 | use PVE::Storage; |
d610b145 TL |
19 | use PVE::Tools; |
20 | use PVE::VZDump; | |
21 | ||
1e3baf05 | 22 | use PVE::QemuServer; |
3392d6ca | 23 | use PVE::QemuServer::Machine; |
0a13e08e | 24 | use PVE::QemuServer::Monitor qw(mon_cmd); |
1e3baf05 DM |
25 | |
26 | use base qw (PVE::VZDump::Plugin); | |
27 | ||
28 | sub new { | |
29 | my ($class, $vzdump) = @_; | |
874a096e | 30 | |
66ab1d91 | 31 | PVE::VZDump::check_bin('qm'); |
1e3baf05 | 32 | |
e2812738 | 33 | my $self = bless { vzdump => $vzdump }, $class; |
1e3baf05 DM |
34 | |
35 | $self->{vmlist} = PVE::QemuServer::vzlist(); | |
36 | $self->{storecfg} = PVE::Storage::config(); | |
37 | ||
38 | return $self; | |
39 | }; | |
40 | ||
1e3baf05 DM |
41 | sub type { |
42 | return 'qemu'; | |
43 | } | |
44 | ||
45 | sub vmlist { | |
46 | my ($self) = @_; | |
1e3baf05 DM |
47 | return [ keys %{$self->{vmlist}} ]; |
48 | } | |
49 | ||
50 | sub prepare { | |
51 | my ($self, $task, $vmid, $mode) = @_; | |
52 | ||
53 | $task->{disks} = []; | |
54 | ||
ffda963f | 55 | my $conf = $self->{vmlist}->{$vmid} = PVE::QemuConfig->load_config($vmid); |
1e3baf05 | 56 | |
85b84b7b WL |
57 | $self->loginfo("VM Name: $conf->{name}") |
58 | if defined($conf->{name}); | |
59 | ||
91bd6c90 DM |
60 | $self->{vm_was_running} = 1; |
61 | if (!PVE::QemuServer::check_running($vmid)) { | |
62 | $self->{vm_was_running} = 0; | |
585b6e28 DM |
63 | } |
64 | ||
1e3baf05 DM |
65 | $task->{hostname} = $conf->{name}; |
66 | ||
874a096e | 67 | my $hostname = PVE::INotify::nodename(); |
1e3baf05 | 68 | |
b969cc68 DM |
69 | my $vollist = []; |
70 | my $drivehash = {}; | |
1e3baf05 DM |
71 | PVE::QemuServer::foreach_drive($conf, sub { |
72 | my ($ds, $drive) = @_; | |
73 | ||
f5bdefa4 | 74 | return if PVE::QemuServer::drive_is_cdrom($drive); |
1e3baf05 | 75 | |
b53b958b EK |
76 | my $volid = $drive->{file}; |
77 | ||
bea021ac | 78 | if (defined($drive->{backup}) && !$drive->{backup}) { |
b53b958b | 79 | $self->loginfo("exclude disk '$ds' '$volid' (backup=no)"); |
1e3baf05 | 80 | return; |
317c55c2 | 81 | } elsif ($self->{vm_was_running} && $drive->{iothread}) { |
3392d6ca | 82 | if (!PVE::QemuServer::Machine::runs_at_least_qemu_version($vmid, 4, 0, 1)) { |
48343b3f TL |
83 | die "disk '$ds' '$volid' (iothread=on) can't use backup feature with running QEMU " . |
84 | "version < 4.0.1! Either set backup=no for this drive or upgrade QEMU and restart VM\n"; | |
85 | } | |
1249d579 SR |
86 | } elsif ($ds =~ m/^efidisk/ && (!defined($conf->{bios}) || $conf->{bios} ne 'ovmf')) { |
87 | $self->loginfo("excluding '$ds' (efidisks can only be backed up when BIOS is set to 'ovmf')"); | |
88 | return; | |
b53b958b | 89 | } else { |
0db93c2d EK |
90 | my $log = "include disk '$ds' '$volid'"; |
91 | if (defined $drive->{size}) { | |
92 | my $readable_size = PVE::JSONSchema::format_size($drive->{size}); | |
93 | $log .= " $readable_size"; | |
94 | } | |
95 | $self->loginfo($log); | |
874a096e | 96 | } |
b969cc68 | 97 | |
f5bdefa4 | 98 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1); |
b969cc68 DM |
99 | push @$vollist, $volid if $storeid; |
100 | $drivehash->{$ds} = $drive; | |
101 | }); | |
102 | ||
103 | PVE::Storage::activate_volumes($self->{storecfg}, $vollist); | |
104 | ||
075b417a DM |
105 | foreach my $ds (sort keys %$drivehash) { |
106 | my $drive = $drivehash->{$ds}; | |
874a096e | 107 | |
1e3baf05 | 108 | my $volid = $drive->{file}; |
f5bdefa4 | 109 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1); |
a113a58a TL |
110 | |
111 | my $path = $volid; | |
1e3baf05 | 112 | if ($storeid) { |
b969cc68 | 113 | $path = PVE::Storage::path($self->{storecfg}, $volid); |
1e3baf05 | 114 | } |
b969cc68 | 115 | next if !$path; |
1e3baf05 | 116 | |
a113a58a | 117 | my ($size, $format) = eval { PVE::Storage::volume_size_info($self->{storecfg}, $volid, 5) }; |
daca220d | 118 | die "no such volume '$volid'\n" if $@; |
91bd6c90 | 119 | |
a113a58a TL |
120 | my $diskinfo = { |
121 | path => $path, | |
122 | volid => $volid, | |
123 | storeid => $storeid, | |
124 | format => $format, | |
125 | virtdev => $ds, | |
126 | qmdevice => "drive-$ds", | |
127 | }; | |
1e3baf05 DM |
128 | |
129 | if (-b $path) { | |
1e3baf05 | 130 | $diskinfo->{type} = 'block'; |
1e3baf05 | 131 | } else { |
1e3baf05 | 132 | $diskinfo->{type} = 'file'; |
1e3baf05 DM |
133 | } |
134 | ||
135 | push @{$task->{disks}}, $diskinfo; | |
b969cc68 | 136 | } |
1e3baf05 DM |
137 | } |
138 | ||
139 | sub vm_status { | |
140 | my ($self, $vmid) = @_; | |
141 | ||
66ab1d91 | 142 | my $running = PVE::QemuServer::check_running($vmid) ? 1 : 0; |
874a096e DM |
143 | |
144 | return wantarray ? ($running, $running ? 'running' : 'stopped') : $running; | |
1e3baf05 DM |
145 | } |
146 | ||
147 | sub lock_vm { | |
148 | my ($self, $vmid) = @_; | |
149 | ||
f301bc0d | 150 | PVE::QemuConfig->set_lock($vmid, 'backup'); |
1e3baf05 DM |
151 | } |
152 | ||
153 | sub unlock_vm { | |
154 | my ($self, $vmid) = @_; | |
155 | ||
f301bc0d | 156 | PVE::QemuConfig->remove_lock($vmid, 'backup'); |
1e3baf05 DM |
157 | } |
158 | ||
159 | sub stop_vm { | |
160 | my ($self, $task, $vmid) = @_; | |
161 | ||
162 | my $opts = $self->{vzdump}->{opts}; | |
163 | ||
164 | my $wait = $opts->{stopwait} * 60; | |
165 | # send shutdown and wait | |
254575e9 | 166 | $self->cmd ("qm shutdown $vmid --skiplock --keepActive --timeout $wait"); |
1e3baf05 DM |
167 | } |
168 | ||
169 | sub start_vm { | |
170 | my ($self, $task, $vmid) = @_; | |
171 | ||
66ab1d91 | 172 | $self->cmd ("qm start $vmid --skiplock"); |
1e3baf05 DM |
173 | } |
174 | ||
175 | sub suspend_vm { | |
176 | my ($self, $task, $vmid) = @_; | |
177 | ||
66ab1d91 | 178 | $self->cmd ("qm suspend $vmid --skiplock"); |
1e3baf05 DM |
179 | } |
180 | ||
181 | sub resume_vm { | |
182 | my ($self, $task, $vmid) = @_; | |
183 | ||
66ab1d91 | 184 | $self->cmd ("qm resume $vmid --skiplock"); |
1e3baf05 DM |
185 | } |
186 | ||
1e3baf05 DM |
187 | sub assemble { |
188 | my ($self, $task, $vmid) = @_; | |
189 | ||
04096e7b | 190 | my $conffile = PVE::QemuConfig->config_file($vmid); |
1e3baf05 DM |
191 | |
192 | my $outfile = "$task->{tmpdir}/qemu-server.conf"; | |
c05f7f3f WL |
193 | my $firewall_src = "/etc/pve/firewall/$vmid.fw"; |
194 | my $firewall_dest = "$task->{tmpdir}/qemu-server.fw"; | |
195 | ||
196 | my $outfd = IO::File->new (">$outfile") || | |
197 | die "unable to open '$outfile'"; | |
198 | my $conffd = IO::File->new ($conffile, 'r') || | |
199 | die "unable open '$conffile'"; | |
200 | ||
201 | my $found_snapshot; | |
391c2230 | 202 | my $found_pending; |
c05f7f3f WL |
203 | while (defined (my $line = <$conffd>)) { |
204 | next if $line =~ m/^\#vzdump\#/; # just to be sure | |
205 | next if $line =~ m/^\#qmdump\#/; # just to be sure | |
391c2230 FG |
206 | if ($line =~ m/^\[(.*)\]\s*$/) { |
207 | if ($1 =~ m/PENDING/i) { | |
208 | $found_pending = 1; | |
209 | } else { | |
210 | $found_snapshot = 1; | |
211 | } | |
cd544fb2 | 212 | next; # skip all snapshots and pending changes config data |
1e3baf05 | 213 | } |
391c2230 | 214 | |
c05f7f3f WL |
215 | if ($line =~ m/^unused\d+:\s*(\S+)\s*/) { |
216 | $self->loginfo("skip unused drive '$1' (not included into backup)"); | |
217 | next; | |
1e3baf05 | 218 | } |
c05f7f3f | 219 | next if $line =~ m/^lock:/ || $line =~ m/^parent:/; |
91bd6c90 | 220 | |
c05f7f3f WL |
221 | print $outfd $line; |
222 | } | |
223 | ||
224 | foreach my $di (@{$task->{disks}}) { | |
225 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
226 | my $storeid = $di->{storeid} || ''; | |
227 | my $format = $di->{format} || ''; | |
228 | print $outfd "#qmdump#map:$di->{virtdev}:$di->{qmdevice}:$storeid:$format:\n"; | |
229 | } else { | |
230 | die "internal error"; | |
91bd6c90 | 231 | } |
c05f7f3f | 232 | } |
1e3baf05 | 233 | |
c05f7f3f WL |
234 | if ($found_snapshot) { |
235 | $self->loginfo("snapshots found (not included into backup)"); | |
236 | } | |
391c2230 FG |
237 | if ($found_pending) { |
238 | $self->loginfo("pending configuration changes found (not included into backup)"); | |
239 | } | |
240 | ||
c05f7f3f | 241 | PVE::Tools::file_copy($firewall_src, $firewall_dest) if -f $firewall_src; |
1e3baf05 DM |
242 | } |
243 | ||
244 | sub archive { | |
fad02a16 | 245 | my ($self, $task, $vmid, $filename, $comp) = @_; |
1e3baf05 | 246 | |
c5983223 | 247 | my $opts = $self->{vzdump}->{opts}; |
c5983223 DM |
248 | my $scfg = $opts->{scfg}; |
249 | ||
250 | if ($scfg->{type} eq 'pbs') { | |
251 | $self->archive_pbs($task, $vmid); | |
252 | } else { | |
253 | $self->archive_vma($task, $vmid, $filename, $comp); | |
254 | } | |
255 | } | |
256 | ||
257 | my $query_backup_status_loop = sub { | |
258 | my ($self, $vmid, $job_uuid) = @_; | |
259 | ||
c5983223 | 260 | my $starttime = time (); |
09eb196b TL |
261 | my $last_time = $starttime; |
262 | my ($last_percent, $last_total, $last_zero, $last_transferred) = (-1, 0, 0, 0); | |
c5983223 DM |
263 | my $transferred; |
264 | ||
09eb196b TL |
265 | my $get_mbps = sub { |
266 | my ($mb, $delta) = @_; | |
267 | return ($mb > 0) ? int(($mb / $delta) / (1000 * 1000)) : 0; | |
268 | }; | |
269 | ||
c5983223 | 270 | while(1) { |
09eb196b TL |
271 | my $status = mon_cmd($vmid, 'query-backup'); |
272 | ||
c5983223 DM |
273 | my $total = $status->{total} || 0; |
274 | $transferred = $status->{transferred} || 0; | |
09eb196b | 275 | my $percent = $total ? int(($transferred * 100)/$total) : 0; |
c5983223 DM |
276 | my $zero = $status->{'zero-bytes'} || 0; |
277 | my $zero_per = $total ? int(($zero * 100)/$total) : 0; | |
278 | ||
279 | die "got unexpected uuid\n" if !$status->{uuid} || ($status->{uuid} ne $job_uuid); | |
280 | ||
281 | my $ctime = time(); | |
282 | my $duration = $ctime - $starttime; | |
283 | ||
284 | my $rbytes = $transferred - $last_transferred; | |
285 | my $wbytes = $rbytes - ($zero - $last_zero); | |
286 | ||
287 | my $timediff = ($ctime - $last_time) || 1; # fixme | |
09eb196b TL |
288 | my $mbps_read = $get_mbps->($rbytes, $timediff); |
289 | my $mbps_write = $get_mbps->($wbytes, $timediff); | |
290 | ||
291 | my $statusline = "status: $percent% ($transferred/$total), sparse ${zero_per}% ($zero), duration $duration, read/write $mbps_read/$mbps_write MB/s"; | |
292 | ||
c5983223 DM |
293 | my $res = $status->{status} || 'unknown'; |
294 | if ($res ne 'active') { | |
295 | $self->loginfo($statusline); | |
09eb196b TL |
296 | if ($res ne 'done') { |
297 | die (($status->{errmsg} || "unknown error") . "\n") if $res eq 'error'; | |
298 | die "got unexpected status '$res'\n"; | |
299 | } elsif ($total != $transferred) { | |
300 | die "got wrong number of transfered bytes ($total != $transferred)\n"; | |
301 | } | |
c5983223 DM |
302 | last; |
303 | } | |
09eb196b | 304 | if ($percent != $last_percent && ($timediff > 2)) { |
c5983223 | 305 | $self->loginfo($statusline); |
09eb196b | 306 | $last_percent = $percent; |
c5983223 DM |
307 | $last_total = $total if $total; |
308 | $last_zero = $zero if $zero; | |
309 | $last_transferred = $transferred if $transferred; | |
310 | $last_time = $ctime; | |
311 | } | |
312 | sleep(1); | |
313 | } | |
314 | ||
315 | my $duration = time() - $starttime; | |
316 | if ($transferred && $duration) { | |
09eb196b TL |
317 | my $mb = int($transferred / (1000 * 1000)); |
318 | my $mbps = $get_mbps->($transferred, $duration); | |
c5983223 DM |
319 | $self->loginfo("transferred $mb MB in $duration seconds ($mbps MB/s)"); |
320 | } | |
321 | }; | |
322 | ||
323 | sub archive_pbs { | |
324 | my ($self, $task, $vmid) = @_; | |
325 | ||
1e3baf05 | 326 | my $conffile = "$task->{tmpdir}/qemu-server.conf"; |
c05f7f3f | 327 | my $firewall = "$task->{tmpdir}/qemu-server.fw"; |
1e3baf05 DM |
328 | |
329 | my $opts = $self->{vzdump}->{opts}; | |
330 | ||
c5983223 DM |
331 | my $scfg = $opts->{scfg}; |
332 | ||
333 | my $starttime = time(); | |
334 | ||
335 | my $diskcount = scalar(@{$task->{disks}}); | |
336 | ||
337 | my $server = $scfg->{server}; | |
338 | my $datastore = $scfg->{datastore}; | |
339 | my $username = $scfg->{username} // 'root@pam'; | |
340 | my $fingerprint = $scfg->{fingerprint}; | |
341 | ||
342 | my $repo = "$username\@$server:$datastore"; | |
343 | my $password = PVE::Storage::PBSPlugin::pbs_get_password($scfg, $opts->{storage}); | |
344 | ||
345 | if (PVE::QemuConfig->is_template($self->{vmlist}->{$vmid}) || !$diskcount) { | |
346 | my @pathlist; | |
347 | foreach my $di (@{$task->{disks}}) { | |
348 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
349 | push @pathlist, "$di->{qmdevice}.img:$di->{path}"; | |
350 | } else { | |
351 | die "implement me"; | |
352 | } | |
353 | } | |
354 | ||
355 | if (!$diskcount) { | |
356 | $self->loginfo("backup contains no disks"); | |
357 | } | |
358 | ||
359 | local $ENV{PBS_PASSWORD} = $password; | |
360 | my $cmd = [ | |
361 | '/usr/bin/proxmox-backup-client', | |
362 | 'backup', | |
363 | '--repository', $repo, | |
364 | '--backup-type', 'vm', | |
365 | '--backup-id', "$vmid", | |
366 | '--backup-time', $task->{backup_time}, | |
367 | ]; | |
368 | ||
369 | push @$cmd, '--fingerprint', $fingerprint if defined($fingerprint); | |
370 | ||
371 | push @$cmd, "qemu-server.conf:$conffile"; | |
372 | push @$cmd, "fw.conf:$firewall" if -e $firewall; | |
373 | push @$cmd, @pathlist if scalar(@pathlist); | |
374 | ||
375 | $self->loginfo("starting template backup"); | |
376 | $self->loginfo(join(' ', @$cmd)); | |
377 | ||
378 | $self->cmd($cmd); | |
379 | ||
380 | return; | |
381 | } | |
382 | ||
383 | my $devlist = ''; | |
384 | foreach my $di (@{$task->{disks}}) { | |
385 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
386 | $devlist .= $devlist ? ",$di->{qmdevice}" : $di->{qmdevice}; | |
387 | } else { | |
388 | die "implement me"; | |
389 | } | |
390 | } | |
391 | ||
392 | my $stop_after_backup; | |
393 | my $resume_on_backup; | |
394 | ||
395 | my $skiplock = 1; | |
396 | my $vm_is_running = PVE::QemuServer::check_running($vmid); | |
397 | if (!$vm_is_running) { | |
398 | eval { | |
399 | $self->loginfo("starting kvm to execute backup task"); | |
400 | PVE::QemuServer::vm_start($self->{storecfg}, $vmid, undef, | |
401 | $skiplock, undef, 1); | |
402 | if ($self->{vm_was_running}) { | |
403 | $resume_on_backup = 1; | |
404 | } else { | |
405 | $stop_after_backup = 1; | |
406 | } | |
407 | }; | |
408 | if (my $err = $@) { | |
409 | die $err; | |
410 | } | |
411 | } | |
412 | ||
f6168f1a DM |
413 | my $backup_job_uuid; |
414 | ||
c5983223 DM |
415 | my $interrupt_msg = "interrupted by signal\n"; |
416 | eval { | |
417 | $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = $SIG{PIPE} = sub { | |
418 | die $interrupt_msg; | |
419 | }; | |
420 | ||
421 | my $agent_running = 0; | |
422 | ||
423 | if ($self->{vmlist}->{$vmid}->{agent} && $vm_is_running) { | |
424 | $agent_running = PVE::QemuServer::qga_check_running($vmid); | |
425 | } | |
426 | ||
427 | if ($agent_running){ | |
428 | eval { mon_cmd($vmid, "guest-fsfreeze-freeze"); }; | |
429 | if (my $err = $@) { | |
430 | $self->logerr($err); | |
431 | } | |
432 | } | |
433 | ||
c5983223 DM |
434 | eval { |
435 | ||
436 | my $params = { | |
437 | format => "pbs", | |
438 | 'backup-file' => $repo, | |
439 | 'backup-id' => "$vmid", | |
440 | 'backup-time' => $task->{backup_time}, | |
441 | password => $password, | |
442 | devlist => $devlist, | |
443 | 'config-file' => $conffile, | |
444 | }; | |
445 | $params->{fingerprint} = $fingerprint if defined($fingerprint); | |
446 | $params->{'firewall-file'} = $firewall if -e $firewall; | |
447 | my $res = mon_cmd($vmid, "backup", %$params); | |
f6168f1a | 448 | $backup_job_uuid = $res->{UUID}; |
c5983223 DM |
449 | }; |
450 | ||
451 | my $qmperr = $@; | |
452 | ||
453 | if ($agent_running){ | |
454 | eval { mon_cmd($vmid, "guest-fsfreeze-thaw"); }; | |
455 | if (my $err = $@) { | |
456 | $self->logerr($err); | |
457 | } | |
458 | } | |
459 | ||
460 | die $qmperr if $qmperr; | |
461 | ||
f6168f1a | 462 | die "got no uuid for backup task\n" if !defined($backup_job_uuid); |
c5983223 | 463 | |
f6168f1a | 464 | $self->loginfo("started backup task '$backup_job_uuid'"); |
c5983223 DM |
465 | |
466 | if ($resume_on_backup) { | |
467 | if (my $stoptime = $task->{vmstoptime}) { | |
468 | my $delay = time() - $task->{vmstoptime}; | |
469 | $task->{vmstoptime} = undef; # avoid printing 'online after ..' twice | |
470 | $self->loginfo("resuming VM again after $delay seconds"); | |
471 | } else { | |
472 | $self->loginfo("resuming VM again"); | |
473 | } | |
474 | mon_cmd($vmid, 'cont'); | |
475 | } | |
476 | ||
f6168f1a | 477 | $query_backup_status_loop->($self, $vmid, $backup_job_uuid); |
c5983223 DM |
478 | }; |
479 | my $err = $@; | |
480 | ||
481 | if ($err) { | |
482 | $self->logerr($err); | |
f6168f1a DM |
483 | if (defined($backup_job_uuid)) { |
484 | $self->loginfo("aborting backup job"); | |
485 | eval { mon_cmd($vmid, 'backup-cancel'); }; | |
486 | if (my $err1 = $@) { | |
487 | $self->logerr($err1); | |
488 | } | |
c5983223 DM |
489 | } |
490 | } | |
491 | ||
492 | if ($stop_after_backup) { | |
493 | # stop if not running | |
494 | eval { | |
495 | my $resp = mon_cmd($vmid, 'query-status'); | |
496 | my $status = $resp && $resp->{status} ? $resp->{status} : 'unknown'; | |
497 | if ($status eq 'prelaunch') { | |
498 | $self->loginfo("stopping kvm after backup task"); | |
499 | PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, $skiplock); | |
500 | } else { | |
501 | $self->loginfo("kvm status changed after backup ('$status')" . | |
502 | " - keep VM running"); | |
503 | } | |
504 | } | |
505 | } | |
506 | ||
507 | die $err if $err; | |
508 | } | |
509 | ||
510 | sub archive_vma { | |
511 | my ($self, $task, $vmid, $filename, $comp) = @_; | |
512 | ||
513 | my $conffile = "$task->{tmpdir}/qemu-server.conf"; | |
514 | my $firewall = "$task->{tmpdir}/qemu-server.fw"; | |
515 | ||
516 | my $opts = $self->{vzdump}->{opts}; | |
517 | ||
518 | my $starttime = time(); | |
1e3baf05 | 519 | |
91bd6c90 DM |
520 | my $speed = 0; |
521 | if ($opts->{bwlimit}) { | |
874a096e | 522 | $speed = $opts->{bwlimit}*1024; |
91bd6c90 | 523 | } |
1e3baf05 | 524 | |
c82935e9 DM |
525 | my $diskcount = scalar(@{$task->{disks}}); |
526 | ||
ffda963f | 527 | if (PVE::QemuConfig->is_template($self->{vmlist}->{$vmid}) || !$diskcount) { |
23b4120b DM |
528 | my @pathlist; |
529 | foreach my $di (@{$task->{disks}}) { | |
530 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
531 | push @pathlist, "$di->{qmdevice}=$di->{path}"; | |
532 | } else { | |
533 | die "implement me"; | |
534 | } | |
535 | } | |
536 | ||
c82935e9 DM |
537 | if (!$diskcount) { |
538 | $self->loginfo("backup contains no disks"); | |
539 | } | |
540 | ||
23b4120b DM |
541 | my $outcmd; |
542 | if ($comp) { | |
874a096e | 543 | $outcmd = "exec:$comp"; |
23b4120b | 544 | } else { |
874a096e | 545 | $outcmd = "exec:cat"; |
23b4120b DM |
546 | } |
547 | ||
a2fab11a | 548 | $outcmd .= " > $filename" if !$opts->{stdout}; |
23b4120b | 549 | |
c05f7f3f WL |
550 | my $cmd = ['/usr/bin/vma', 'create', '-v', '-c', $conffile]; |
551 | push @$cmd, '-c', $firewall if -e $firewall; | |
552 | push @$cmd, $outcmd, @pathlist; | |
23b4120b DM |
553 | |
554 | $self->loginfo("starting template backup"); | |
555 | $self->loginfo(join(' ', @$cmd)); | |
556 | ||
557 | if ($opts->{stdout}) { | |
558 | $self->cmd($cmd, output => ">&=" . fileno($opts->{stdout})); | |
559 | } else { | |
560 | $self->cmd($cmd); | |
561 | } | |
562 | ||
563 | return; | |
564 | } | |
565 | ||
566 | ||
91bd6c90 | 567 | my $devlist = ''; |
1e3baf05 DM |
568 | foreach my $di (@{$task->{disks}}) { |
569 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
91bd6c90 | 570 | $devlist .= $devlist ? ",$di->{qmdevice}" : $di->{qmdevice}; |
1e3baf05 DM |
571 | } else { |
572 | die "implement me"; | |
573 | } | |
574 | } | |
575 | ||
91bd6c90 DM |
576 | my $stop_after_backup; |
577 | my $resume_on_backup; | |
578 | ||
579 | my $skiplock = 1; | |
ab6a9a0c WL |
580 | my $vm_is_running = PVE::QemuServer::check_running($vmid); |
581 | if (!$vm_is_running) { | |
91bd6c90 DM |
582 | eval { |
583 | $self->loginfo("starting kvm to execute backup task"); | |
874a096e | 584 | PVE::QemuServer::vm_start($self->{storecfg}, $vmid, undef, |
91bd6c90 DM |
585 | $skiplock, undef, 1); |
586 | if ($self->{vm_was_running}) { | |
587 | $resume_on_backup = 1; | |
588 | } else { | |
589 | $stop_after_backup = 1; | |
590 | } | |
591 | }; | |
592 | if (my $err = $@) { | |
593 | die $err; | |
594 | } | |
9c502e26 | 595 | } |
91bd6c90 DM |
596 | |
597 | my $cpid; | |
d2cc2cbe DM |
598 | my $backup_job_uuid; |
599 | ||
91bd6c90 DM |
600 | my $interrupt_msg = "interrupted by signal\n"; |
601 | eval { | |
602 | $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = $SIG{PIPE} = sub { | |
603 | die $interrupt_msg; | |
604 | }; | |
605 | ||
606 | my $qmpclient = PVE::QMPClient->new(); | |
607 | ||
91bd6c90 DM |
608 | my $backup_cb = sub { |
609 | my ($vmid, $resp) = @_; | |
d2cc2cbe | 610 | $backup_job_uuid = $resp->{return}->{UUID}; |
91bd6c90 DM |
611 | }; |
612 | ||
613 | my $outfh; | |
614 | if ($opts->{stdout}) { | |
615 | $outfh = $opts->{stdout}; | |
616 | } else { | |
617 | $outfh = IO::File->new($filename, "w") || | |
618 | die "unable to open file '$filename' - $!\n"; | |
619 | } | |
620 | ||
621 | my $outfileno; | |
622 | if ($comp) { | |
623 | my @pipefd = POSIX::pipe(); | |
624 | $cpid = fork(); | |
625 | die "unable to fork worker - $!" if !defined($cpid); | |
626 | if ($cpid == 0) { | |
627 | eval { | |
628 | POSIX::close($pipefd[1]); | |
629 | # redirect STDIN | |
630 | my $fd = fileno(STDIN); | |
631 | close STDIN; | |
632 | POSIX::close(0) if $fd != 0; | |
874a096e | 633 | die "unable to redirect STDIN - $!" |
91bd6c90 | 634 | if !open(STDIN, "<&", $pipefd[0]); |
874a096e | 635 | |
91bd6c90 DM |
636 | # redirect STDOUT |
637 | $fd = fileno(STDOUT); | |
638 | close STDOUT; | |
639 | POSIX::close (1) if $fd != 1; | |
640 | ||
874a096e | 641 | die "unable to redirect STDOUT - $!" |
91bd6c90 | 642 | if !open(STDOUT, ">&", fileno($outfh)); |
874a096e | 643 | |
91bd6c90 DM |
644 | exec($comp); |
645 | die "fork compressor '$comp' failed\n"; | |
646 | }; | |
647 | if (my $err = $@) { | |
60635a57 | 648 | $self->logerr($err); |
874a096e | 649 | POSIX::_exit(1); |
91bd6c90 | 650 | } |
874a096e DM |
651 | POSIX::_exit(0); |
652 | kill(-9, $$); | |
91bd6c90 DM |
653 | } else { |
654 | POSIX::close($pipefd[0]); | |
655 | $outfileno = $pipefd[1]; | |
874a096e | 656 | } |
91bd6c90 DM |
657 | } else { |
658 | $outfileno = fileno($outfh); | |
659 | } | |
660 | ||
661 | my $add_fd_cb = sub { | |
662 | my ($vmid, $resp) = @_; | |
663 | ||
c05f7f3f WL |
664 | my $params = { |
665 | 'backup-file' => "/dev/fdname/backup", | |
666 | speed => $speed, | |
667 | 'config-file' => $conffile, | |
668 | devlist => $devlist | |
669 | }; | |
a022e3fd | 670 | |
c05f7f3f WL |
671 | $params->{'firewall-file'} = $firewall if -e $firewall; |
672 | $qmpclient->queue_cmd($vmid, $backup_cb, 'backup', %$params); | |
91bd6c90 DM |
673 | }; |
674 | ||
874a096e | 675 | $qmpclient->queue_cmd($vmid, $add_fd_cb, 'getfd', |
91bd6c90 | 676 | fd => $outfileno, fdname => "backup"); |
ab6a9a0c | 677 | |
1a988fd2 DC |
678 | my $agent_running = 0; |
679 | ||
680 | if ($self->{vmlist}->{$vmid}->{agent} && $vm_is_running) { | |
681 | $agent_running = PVE::QemuServer::qga_check_running($vmid); | |
82b25dbc TL |
682 | $self->loginfo("skipping guest-agent 'fs-freeze', agent configured but not running?") |
683 | if !$agent_running; | |
1a988fd2 DC |
684 | } |
685 | ||
686 | if ($agent_running){ | |
82b25dbc | 687 | $self->loginfo("issuing guest-agent 'fs-freeze' command"); |
0a13e08e | 688 | eval { mon_cmd($vmid, "guest-fsfreeze-freeze"); }; |
ab6a9a0c WL |
689 | if (my $err = $@) { |
690 | $self->logerr($err); | |
874a096e | 691 | } |
ab6a9a0c | 692 | } |
874a096e | 693 | |
c5983223 | 694 | eval { $qmpclient->queue_execute(30) }; |
f0f30448 | 695 | my $qmperr = $@; |
91bd6c90 | 696 | |
1a988fd2 | 697 | if ($agent_running){ |
82b25dbc | 698 | $self->loginfo("issuing guest-agent 'fs-thaw' command"); |
0a13e08e | 699 | eval { mon_cmd($vmid, "guest-fsfreeze-thaw"); }; |
ab6a9a0c WL |
700 | if (my $err = $@) { |
701 | $self->logerr($err); | |
702 | } | |
703 | } | |
f0f30448 | 704 | die $qmperr if $qmperr; |
874a096e | 705 | die $qmpclient->{errors}->{$vmid} if $qmpclient->{errors}->{$vmid}; |
91bd6c90 DM |
706 | |
707 | if ($cpid) { | |
874a096e | 708 | POSIX::close($outfileno) == 0 || |
91bd6c90 DM |
709 | die "close output file handle failed\n"; |
710 | } | |
711 | ||
d2cc2cbe | 712 | die "got no uuid for backup task\n" if !defined($backup_job_uuid); |
91bd6c90 | 713 | |
d2cc2cbe | 714 | $self->loginfo("started backup task '$backup_job_uuid'"); |
91bd6c90 DM |
715 | |
716 | if ($resume_on_backup) { | |
96f00fd8 TL |
717 | if (my $stoptime = $task->{vmstoptime}) { |
718 | my $delay = time() - $task->{vmstoptime}; | |
719 | $task->{vmstoptime} = undef; # avoid printing 'online after ..' twice | |
720 | $self->loginfo("resuming VM again after $delay seconds"); | |
721 | } else { | |
722 | $self->loginfo("resuming VM again"); | |
723 | } | |
0a13e08e | 724 | mon_cmd($vmid, 'cont'); |
91bd6c90 DM |
725 | } |
726 | ||
d2cc2cbe | 727 | $query_backup_status_loop->($self, $vmid, $backup_job_uuid); |
91bd6c90 DM |
728 | }; |
729 | my $err = $@; | |
730 | ||
19599cd9 | 731 | if ($err) { |
60635a57 | 732 | $self->logerr($err); |
d2cc2cbe DM |
733 | if (defined($backup_job_uuid)) { |
734 | $self->loginfo("aborting backup job"); | |
735 | eval { mon_cmd($vmid, 'backup-cancel'); }; | |
736 | if (my $err1 = $@) { | |
737 | $self->logerr($err1); | |
738 | } | |
60635a57 | 739 | } |
19599cd9 DM |
740 | } |
741 | ||
91bd6c90 DM |
742 | if ($stop_after_backup) { |
743 | # stop if not running | |
744 | eval { | |
0a13e08e | 745 | my $resp = mon_cmd($vmid, 'query-status'); |
91bd6c90 DM |
746 | my $status = $resp && $resp->{status} ? $resp->{status} : 'unknown'; |
747 | if ($status eq 'prelaunch') { | |
19599cd9 | 748 | $self->loginfo("stopping kvm after backup task"); |
91bd6c90 DM |
749 | PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, $skiplock); |
750 | } else { | |
751 | $self->loginfo("kvm status changed after backup ('$status')" . | |
752 | " - keep VM running"); | |
753 | } | |
754 | } | |
874a096e | 755 | } |
91bd6c90 DM |
756 | |
757 | if ($err) { | |
874a096e DM |
758 | if ($cpid) { |
759 | kill(9, $cpid); | |
91bd6c90 DM |
760 | waitpid($cpid, 0); |
761 | } | |
762 | die $err; | |
763 | } | |
764 | ||
765 | if ($cpid && (waitpid($cpid, 0) > 0)) { | |
766 | my $stat = $?; | |
767 | my $ec = $stat >> 8; | |
768 | my $signal = $stat & 127; | |
769 | if ($ec || $signal) { | |
874a096e | 770 | die "$comp failed - wrong exit status $ec" . |
91bd6c90 DM |
771 | ($signal ? " (signal $signal)\n" : "\n"); |
772 | } | |
773 | } | |
774 | } | |
775 | ||
776 | sub snapshot { | |
777 | my ($self, $task, $vmid) = @_; | |
778 | ||
779 | # nothing to do | |
1e3baf05 DM |
780 | } |
781 | ||
782 | sub cleanup { | |
783 | my ($self, $task, $vmid) = @_; | |
784 | ||
91bd6c90 | 785 | # nothing to do ? |
1e3baf05 DM |
786 | } |
787 | ||
788 | 1; |