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Commit | Line | Data |
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1e3baf05 DM |
1 | package PVE::VZDump::QemuServer; |
2 | ||
1e3baf05 DM |
3 | use strict; |
4 | use warnings; | |
5 | use File::Path; | |
6 | use File::Basename; | |
66ab1d91 | 7 | use PVE::INotify; |
1e3baf05 | 8 | use PVE::VZDump; |
91bd6c90 | 9 | use PVE::IPCC; |
3e16d5fc DM |
10 | use PVE::Cluster qw(cfs_read_file); |
11 | use PVE::Tools; | |
f5bdefa4 | 12 | use PVE::Storage::Plugin; |
1e3baf05 DM |
13 | use PVE::Storage; |
14 | use PVE::QemuServer; | |
1e3baf05 | 15 | use IO::File; |
91bd6c90 | 16 | use IPC::Open3; |
1e3baf05 DM |
17 | |
18 | use base qw (PVE::VZDump::Plugin); | |
19 | ||
20 | sub new { | |
21 | my ($class, $vzdump) = @_; | |
874a096e | 22 | |
66ab1d91 | 23 | PVE::VZDump::check_bin('qm'); |
1e3baf05 DM |
24 | |
25 | my $self = bless { vzdump => $vzdump }; | |
26 | ||
27 | $self->{vmlist} = PVE::QemuServer::vzlist(); | |
28 | $self->{storecfg} = PVE::Storage::config(); | |
29 | ||
30 | return $self; | |
31 | }; | |
32 | ||
33 | ||
34 | sub type { | |
35 | return 'qemu'; | |
36 | } | |
37 | ||
38 | sub vmlist { | |
39 | my ($self) = @_; | |
40 | ||
41 | return [ keys %{$self->{vmlist}} ]; | |
42 | } | |
43 | ||
44 | sub prepare { | |
45 | my ($self, $task, $vmid, $mode) = @_; | |
46 | ||
47 | $task->{disks} = []; | |
48 | ||
ffda963f | 49 | my $conf = $self->{vmlist}->{$vmid} = PVE::QemuConfig->load_config($vmid); |
1e3baf05 | 50 | |
85b84b7b WL |
51 | $self->loginfo("VM Name: $conf->{name}") |
52 | if defined($conf->{name}); | |
53 | ||
91bd6c90 DM |
54 | $self->{vm_was_running} = 1; |
55 | if (!PVE::QemuServer::check_running($vmid)) { | |
56 | $self->{vm_was_running} = 0; | |
585b6e28 DM |
57 | } |
58 | ||
1e3baf05 DM |
59 | $task->{hostname} = $conf->{name}; |
60 | ||
874a096e | 61 | my $hostname = PVE::INotify::nodename(); |
1e3baf05 | 62 | |
b969cc68 DM |
63 | my $vollist = []; |
64 | my $drivehash = {}; | |
1e3baf05 DM |
65 | PVE::QemuServer::foreach_drive($conf, sub { |
66 | my ($ds, $drive) = @_; | |
67 | ||
f5bdefa4 | 68 | return if PVE::QemuServer::drive_is_cdrom($drive); |
1e3baf05 | 69 | |
b53b958b EK |
70 | my $volid = $drive->{file}; |
71 | ||
bea021ac | 72 | if (defined($drive->{backup}) && !$drive->{backup}) { |
b53b958b | 73 | $self->loginfo("exclude disk '$ds' '$volid' (backup=no)"); |
1e3baf05 | 74 | return; |
bea021ac | 75 | } elsif ($drive->{iothread}) { |
b53b958b EK |
76 | die "disk '$ds' '$volid' (iothread=on) can't use backup feature currently. Please set backup=no for this drive"; |
77 | } else { | |
78 | $self->loginfo("include disk '$ds' '$volid'"); | |
874a096e | 79 | } |
b969cc68 | 80 | |
f5bdefa4 | 81 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1); |
b969cc68 DM |
82 | push @$vollist, $volid if $storeid; |
83 | $drivehash->{$ds} = $drive; | |
84 | }); | |
85 | ||
86 | PVE::Storage::activate_volumes($self->{storecfg}, $vollist); | |
87 | ||
075b417a DM |
88 | foreach my $ds (sort keys %$drivehash) { |
89 | my $drive = $drivehash->{$ds}; | |
874a096e | 90 | |
1e3baf05 DM |
91 | my $volid = $drive->{file}; |
92 | ||
93 | my $path; | |
94 | ||
f5bdefa4 | 95 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1); |
1e3baf05 | 96 | if ($storeid) { |
b969cc68 | 97 | $path = PVE::Storage::path($self->{storecfg}, $volid); |
1e3baf05 DM |
98 | } else { |
99 | $path = $volid; | |
100 | } | |
101 | ||
b969cc68 | 102 | next if !$path; |
1e3baf05 | 103 | |
daca220d AD |
104 | my $format = undef; |
105 | my $size = undef; | |
1e3baf05 | 106 | |
daca220d AD |
107 | eval{ |
108 | ($size, $format) = PVE::Storage::volume_size_info($self->{storecfg}, $volid, 5); | |
109 | }; | |
110 | die "no such volume '$volid'\n" if $@; | |
91bd6c90 | 111 | |
874a096e | 112 | my $diskinfo = { path => $path , volid => $volid, storeid => $storeid, |
91bd6c90 | 113 | format => $format, virtdev => $ds, qmdevice => "drive-$ds" }; |
1e3baf05 DM |
114 | |
115 | if (-b $path) { | |
1e3baf05 | 116 | $diskinfo->{type} = 'block'; |
1e3baf05 | 117 | } else { |
1e3baf05 | 118 | $diskinfo->{type} = 'file'; |
1e3baf05 DM |
119 | } |
120 | ||
121 | push @{$task->{disks}}, $diskinfo; | |
b969cc68 | 122 | } |
1e3baf05 DM |
123 | } |
124 | ||
125 | sub vm_status { | |
126 | my ($self, $vmid) = @_; | |
127 | ||
66ab1d91 | 128 | my $running = PVE::QemuServer::check_running($vmid) ? 1 : 0; |
874a096e DM |
129 | |
130 | return wantarray ? ($running, $running ? 'running' : 'stopped') : $running; | |
1e3baf05 DM |
131 | } |
132 | ||
133 | sub lock_vm { | |
134 | my ($self, $vmid) = @_; | |
135 | ||
136 | $self->cmd ("qm set $vmid --lock backup"); | |
137 | } | |
138 | ||
139 | sub unlock_vm { | |
140 | my ($self, $vmid) = @_; | |
141 | ||
66ab1d91 | 142 | $self->cmd ("qm unlock $vmid"); |
1e3baf05 DM |
143 | } |
144 | ||
145 | sub stop_vm { | |
146 | my ($self, $task, $vmid) = @_; | |
147 | ||
148 | my $opts = $self->{vzdump}->{opts}; | |
149 | ||
150 | my $wait = $opts->{stopwait} * 60; | |
151 | # send shutdown and wait | |
254575e9 | 152 | $self->cmd ("qm shutdown $vmid --skiplock --keepActive --timeout $wait"); |
1e3baf05 DM |
153 | } |
154 | ||
155 | sub start_vm { | |
156 | my ($self, $task, $vmid) = @_; | |
157 | ||
66ab1d91 | 158 | $self->cmd ("qm start $vmid --skiplock"); |
1e3baf05 DM |
159 | } |
160 | ||
161 | sub suspend_vm { | |
162 | my ($self, $task, $vmid) = @_; | |
163 | ||
66ab1d91 | 164 | $self->cmd ("qm suspend $vmid --skiplock"); |
1e3baf05 DM |
165 | } |
166 | ||
167 | sub resume_vm { | |
168 | my ($self, $task, $vmid) = @_; | |
169 | ||
66ab1d91 | 170 | $self->cmd ("qm resume $vmid --skiplock"); |
1e3baf05 DM |
171 | } |
172 | ||
1e3baf05 DM |
173 | sub assemble { |
174 | my ($self, $task, $vmid) = @_; | |
175 | ||
04096e7b | 176 | my $conffile = PVE::QemuConfig->config_file($vmid); |
1e3baf05 DM |
177 | |
178 | my $outfile = "$task->{tmpdir}/qemu-server.conf"; | |
c05f7f3f WL |
179 | my $firewall_src = "/etc/pve/firewall/$vmid.fw"; |
180 | my $firewall_dest = "$task->{tmpdir}/qemu-server.fw"; | |
181 | ||
182 | my $outfd = IO::File->new (">$outfile") || | |
183 | die "unable to open '$outfile'"; | |
184 | my $conffd = IO::File->new ($conffile, 'r') || | |
185 | die "unable open '$conffile'"; | |
186 | ||
187 | my $found_snapshot; | |
391c2230 | 188 | my $found_pending; |
c05f7f3f WL |
189 | while (defined (my $line = <$conffd>)) { |
190 | next if $line =~ m/^\#vzdump\#/; # just to be sure | |
191 | next if $line =~ m/^\#qmdump\#/; # just to be sure | |
391c2230 FG |
192 | if ($line =~ m/^\[(.*)\]\s*$/) { |
193 | if ($1 =~ m/PENDING/i) { | |
194 | $found_pending = 1; | |
195 | } else { | |
196 | $found_snapshot = 1; | |
197 | } | |
1e3baf05 | 198 | } |
391c2230 | 199 | |
c05f7f3f | 200 | next if $found_snapshot; # skip all snapshots data |
391c2230 FG |
201 | next if $found_pending; # skip all pending changes |
202 | ||
c05f7f3f WL |
203 | if ($line =~ m/^unused\d+:\s*(\S+)\s*/) { |
204 | $self->loginfo("skip unused drive '$1' (not included into backup)"); | |
205 | next; | |
1e3baf05 | 206 | } |
c05f7f3f | 207 | next if $line =~ m/^lock:/ || $line =~ m/^parent:/; |
91bd6c90 | 208 | |
c05f7f3f WL |
209 | print $outfd $line; |
210 | } | |
211 | ||
212 | foreach my $di (@{$task->{disks}}) { | |
213 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
214 | my $storeid = $di->{storeid} || ''; | |
215 | my $format = $di->{format} || ''; | |
216 | print $outfd "#qmdump#map:$di->{virtdev}:$di->{qmdevice}:$storeid:$format:\n"; | |
217 | } else { | |
218 | die "internal error"; | |
91bd6c90 | 219 | } |
c05f7f3f | 220 | } |
1e3baf05 | 221 | |
c05f7f3f WL |
222 | if ($found_snapshot) { |
223 | $self->loginfo("snapshots found (not included into backup)"); | |
224 | } | |
874a096e | 225 | |
391c2230 FG |
226 | if ($found_pending) { |
227 | $self->loginfo("pending configuration changes found (not included into backup)"); | |
228 | } | |
229 | ||
c05f7f3f | 230 | PVE::Tools::file_copy($firewall_src, $firewall_dest) if -f $firewall_src; |
1e3baf05 DM |
231 | } |
232 | ||
233 | sub archive { | |
fad02a16 | 234 | my ($self, $task, $vmid, $filename, $comp) = @_; |
1e3baf05 DM |
235 | |
236 | my $conffile = "$task->{tmpdir}/qemu-server.conf"; | |
c05f7f3f | 237 | my $firewall = "$task->{tmpdir}/qemu-server.fw"; |
1e3baf05 DM |
238 | |
239 | my $opts = $self->{vzdump}->{opts}; | |
240 | ||
241 | my $starttime = time (); | |
242 | ||
91bd6c90 DM |
243 | my $speed = 0; |
244 | if ($opts->{bwlimit}) { | |
874a096e | 245 | $speed = $opts->{bwlimit}*1024; |
91bd6c90 | 246 | } |
1e3baf05 | 247 | |
c82935e9 DM |
248 | my $diskcount = scalar(@{$task->{disks}}); |
249 | ||
ffda963f | 250 | if (PVE::QemuConfig->is_template($self->{vmlist}->{$vmid}) || !$diskcount) { |
23b4120b DM |
251 | my @pathlist; |
252 | foreach my $di (@{$task->{disks}}) { | |
253 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
254 | push @pathlist, "$di->{qmdevice}=$di->{path}"; | |
255 | } else { | |
256 | die "implement me"; | |
257 | } | |
258 | } | |
259 | ||
c82935e9 DM |
260 | if (!$diskcount) { |
261 | $self->loginfo("backup contains no disks"); | |
262 | } | |
263 | ||
23b4120b DM |
264 | my $outcmd; |
265 | if ($comp) { | |
874a096e | 266 | $outcmd = "exec:$comp"; |
23b4120b | 267 | } else { |
874a096e | 268 | $outcmd = "exec:cat"; |
23b4120b DM |
269 | } |
270 | ||
271 | $outcmd .= ">$filename" if !$opts->{stdout}; | |
272 | ||
c05f7f3f WL |
273 | my $cmd = ['/usr/bin/vma', 'create', '-v', '-c', $conffile]; |
274 | push @$cmd, '-c', $firewall if -e $firewall; | |
275 | push @$cmd, $outcmd, @pathlist; | |
23b4120b DM |
276 | |
277 | $self->loginfo("starting template backup"); | |
278 | $self->loginfo(join(' ', @$cmd)); | |
279 | ||
280 | if ($opts->{stdout}) { | |
281 | $self->cmd($cmd, output => ">&=" . fileno($opts->{stdout})); | |
282 | } else { | |
283 | $self->cmd($cmd); | |
284 | } | |
285 | ||
286 | return; | |
287 | } | |
288 | ||
289 | ||
91bd6c90 | 290 | my $devlist = ''; |
1e3baf05 DM |
291 | foreach my $di (@{$task->{disks}}) { |
292 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
91bd6c90 | 293 | $devlist .= $devlist ? ",$di->{qmdevice}" : $di->{qmdevice}; |
1e3baf05 DM |
294 | } else { |
295 | die "implement me"; | |
296 | } | |
297 | } | |
298 | ||
91bd6c90 DM |
299 | my $stop_after_backup; |
300 | my $resume_on_backup; | |
301 | ||
302 | my $skiplock = 1; | |
ab6a9a0c WL |
303 | my $vm_is_running = PVE::QemuServer::check_running($vmid); |
304 | if (!$vm_is_running) { | |
91bd6c90 DM |
305 | eval { |
306 | $self->loginfo("starting kvm to execute backup task"); | |
874a096e | 307 | PVE::QemuServer::vm_start($self->{storecfg}, $vmid, undef, |
91bd6c90 DM |
308 | $skiplock, undef, 1); |
309 | if ($self->{vm_was_running}) { | |
310 | $resume_on_backup = 1; | |
311 | } else { | |
312 | $stop_after_backup = 1; | |
313 | } | |
314 | }; | |
315 | if (my $err = $@) { | |
316 | die $err; | |
317 | } | |
9c502e26 | 318 | } |
91bd6c90 DM |
319 | |
320 | my $cpid; | |
321 | my $interrupt_msg = "interrupted by signal\n"; | |
322 | eval { | |
323 | $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = $SIG{PIPE} = sub { | |
324 | die $interrupt_msg; | |
325 | }; | |
326 | ||
327 | my $qmpclient = PVE::QMPClient->new(); | |
328 | ||
329 | my $uuid; | |
330 | ||
331 | my $backup_cb = sub { | |
332 | my ($vmid, $resp) = @_; | |
663d6641 | 333 | $uuid = $resp->{return}->{UUID}; |
91bd6c90 DM |
334 | }; |
335 | ||
336 | my $outfh; | |
337 | if ($opts->{stdout}) { | |
338 | $outfh = $opts->{stdout}; | |
339 | } else { | |
340 | $outfh = IO::File->new($filename, "w") || | |
341 | die "unable to open file '$filename' - $!\n"; | |
342 | } | |
343 | ||
344 | my $outfileno; | |
345 | if ($comp) { | |
346 | my @pipefd = POSIX::pipe(); | |
347 | $cpid = fork(); | |
348 | die "unable to fork worker - $!" if !defined($cpid); | |
349 | if ($cpid == 0) { | |
350 | eval { | |
351 | POSIX::close($pipefd[1]); | |
352 | # redirect STDIN | |
353 | my $fd = fileno(STDIN); | |
354 | close STDIN; | |
355 | POSIX::close(0) if $fd != 0; | |
874a096e | 356 | die "unable to redirect STDIN - $!" |
91bd6c90 | 357 | if !open(STDIN, "<&", $pipefd[0]); |
874a096e | 358 | |
91bd6c90 DM |
359 | # redirect STDOUT |
360 | $fd = fileno(STDOUT); | |
361 | close STDOUT; | |
362 | POSIX::close (1) if $fd != 1; | |
363 | ||
874a096e | 364 | die "unable to redirect STDOUT - $!" |
91bd6c90 | 365 | if !open(STDOUT, ">&", fileno($outfh)); |
874a096e | 366 | |
91bd6c90 DM |
367 | exec($comp); |
368 | die "fork compressor '$comp' failed\n"; | |
369 | }; | |
370 | if (my $err = $@) { | |
60635a57 | 371 | $self->logerr($err); |
874a096e | 372 | POSIX::_exit(1); |
91bd6c90 | 373 | } |
874a096e DM |
374 | POSIX::_exit(0); |
375 | kill(-9, $$); | |
91bd6c90 DM |
376 | } else { |
377 | POSIX::close($pipefd[0]); | |
378 | $outfileno = $pipefd[1]; | |
874a096e | 379 | } |
91bd6c90 DM |
380 | } else { |
381 | $outfileno = fileno($outfh); | |
382 | } | |
383 | ||
384 | my $add_fd_cb = sub { | |
385 | my ($vmid, $resp) = @_; | |
386 | ||
c05f7f3f WL |
387 | my $params = { |
388 | 'backup-file' => "/dev/fdname/backup", | |
389 | speed => $speed, | |
390 | 'config-file' => $conffile, | |
391 | devlist => $devlist | |
392 | }; | |
393 | ||
394 | $params->{'firewall-file'} = $firewall if -e $firewall; | |
395 | $qmpclient->queue_cmd($vmid, $backup_cb, 'backup', %$params); | |
91bd6c90 DM |
396 | }; |
397 | ||
874a096e | 398 | $qmpclient->queue_cmd($vmid, $add_fd_cb, 'getfd', |
91bd6c90 | 399 | fd => $outfileno, fdname => "backup"); |
ab6a9a0c WL |
400 | |
401 | if ($self->{vmlist}->{$vmid}->{agent} && $vm_is_running){ | |
874a096e | 402 | eval { PVE::QemuServer::vm_mon_cmd($vmid, "guest-fsfreeze-freeze"); }; |
ab6a9a0c WL |
403 | if (my $err = $@) { |
404 | $self->logerr($err); | |
874a096e | 405 | } |
ab6a9a0c | 406 | } |
874a096e | 407 | |
91bd6c90 DM |
408 | $qmpclient->queue_execute(); |
409 | ||
ab6a9a0c | 410 | if ($self->{vmlist}->{$vmid}->{agent} && $vm_is_running ){ |
874a096e | 411 | eval { PVE::QemuServer::vm_mon_cmd($vmid, "guest-fsfreeze-thaw"); }; |
ab6a9a0c WL |
412 | if (my $err = $@) { |
413 | $self->logerr($err); | |
414 | } | |
415 | } | |
874a096e | 416 | die $qmpclient->{errors}->{$vmid} if $qmpclient->{errors}->{$vmid}; |
91bd6c90 DM |
417 | |
418 | if ($cpid) { | |
874a096e | 419 | POSIX::close($outfileno) == 0 || |
91bd6c90 DM |
420 | die "close output file handle failed\n"; |
421 | } | |
422 | ||
423 | die "got no uuid for backup task\n" if !$uuid; | |
424 | ||
425 | $self->loginfo("started backup task '$uuid'"); | |
426 | ||
427 | if ($resume_on_backup) { | |
428 | $self->loginfo("resume VM"); | |
429 | PVE::QemuServer::vm_mon_cmd($vmid, 'cont'); | |
430 | } | |
431 | ||
432 | my $status; | |
433 | my $starttime = time (); | |
434 | my $last_per = -1; | |
874a096e | 435 | my $last_total = 0; |
91bd6c90 DM |
436 | my $last_zero = 0; |
437 | my $last_transferred = 0; | |
438 | my $last_time = time(); | |
439 | my $transferred; | |
440 | ||
441 | while(1) { | |
442 | $status = PVE::QemuServer::vm_mon_cmd($vmid, 'query-backup'); | |
405b913a DM |
443 | my $total = $status->{total} || 0; |
444 | $transferred = $status->{transferred} || 0; | |
91bd6c90 DM |
445 | my $per = $total ? int(($transferred * 100)/$total) : 0; |
446 | my $zero = $status->{'zero-bytes'} || 0; | |
447 | my $zero_per = $total ? int(($zero * 100)/$total) : 0; | |
874a096e | 448 | |
405b913a | 449 | die "got unexpected uuid\n" if !$status->{uuid} || ($status->{uuid} ne $uuid); |
91bd6c90 DM |
450 | |
451 | my $ctime = time(); | |
452 | my $duration = $ctime - $starttime; | |
453 | ||
454 | my $rbytes = $transferred - $last_transferred; | |
455 | my $wbytes = $rbytes - ($zero - $last_zero); | |
456 | ||
457 | my $timediff = ($ctime - $last_time) || 1; # fixme | |
874a096e | 458 | my $mbps_read = ($rbytes > 0) ? |
91bd6c90 | 459 | int(($rbytes/$timediff)/(1000*1000)) : 0; |
874a096e | 460 | my $mbps_write = ($wbytes > 0) ? |
91bd6c90 DM |
461 | int(($wbytes/$timediff)/(1000*1000)) : 0; |
462 | ||
463 | my $statusline = "status: $per% ($transferred/$total), " . | |
464 | "sparse ${zero_per}% ($zero), duration $duration, " . | |
465 | "$mbps_read/$mbps_write MB/s"; | |
405b913a DM |
466 | my $res = $status->{status} || 'unknown'; |
467 | if ($res ne 'active') { | |
91bd6c90 DM |
468 | $self->loginfo($statusline); |
469 | die(($status->{errmsg} || "unknown error") . "\n") | |
405b913a DM |
470 | if $res eq 'error'; |
471 | die "got unexpected status '$res'\n" | |
472 | if $res ne 'done'; | |
473 | die "got wrong number of transfered bytes ($total != $transferred)\n" | |
474 | if ($res eq 'done') && ($total != $transferred); | |
475 | ||
91bd6c90 DM |
476 | last; |
477 | } | |
478 | if ($per != $last_per && ($timediff > 2)) { | |
479 | $self->loginfo($statusline); | |
480 | $last_per = $per; | |
874a096e | 481 | $last_total = $total if $total; |
91bd6c90 DM |
482 | $last_zero = $zero if $zero; |
483 | $last_transferred = $transferred if $transferred; | |
484 | $last_time = $ctime; | |
485 | } | |
486 | sleep(1); | |
487 | } | |
488 | ||
489 | my $duration = time() - $starttime; | |
490 | if ($transferred && $duration) { | |
491 | my $mb = int($transferred/(1000*1000)); | |
492 | my $mbps = int(($transferred/$duration)/(1000*1000)); | |
493 | $self->loginfo("transferred $mb MB in $duration seconds ($mbps MB/s)"); | |
494 | } | |
495 | }; | |
496 | my $err = $@; | |
497 | ||
19599cd9 | 498 | if ($err) { |
60635a57 | 499 | $self->logerr($err); |
19599cd9 | 500 | $self->loginfo("aborting backup job"); |
1575bfcc | 501 | eval { PVE::QemuServer::vm_mon_cmd($vmid, 'backup-cancel'); }; |
60635a57 DM |
502 | if (my $err1 = $@) { |
503 | $self->logerr($err1); | |
504 | } | |
19599cd9 DM |
505 | } |
506 | ||
91bd6c90 DM |
507 | if ($stop_after_backup) { |
508 | # stop if not running | |
509 | eval { | |
510 | my $resp = PVE::QemuServer::vm_mon_cmd($vmid, 'query-status'); | |
511 | my $status = $resp && $resp->{status} ? $resp->{status} : 'unknown'; | |
512 | if ($status eq 'prelaunch') { | |
19599cd9 | 513 | $self->loginfo("stopping kvm after backup task"); |
91bd6c90 DM |
514 | PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, $skiplock); |
515 | } else { | |
516 | $self->loginfo("kvm status changed after backup ('$status')" . | |
517 | " - keep VM running"); | |
518 | } | |
519 | } | |
874a096e | 520 | } |
91bd6c90 DM |
521 | |
522 | if ($err) { | |
874a096e DM |
523 | if ($cpid) { |
524 | kill(9, $cpid); | |
91bd6c90 DM |
525 | waitpid($cpid, 0); |
526 | } | |
527 | die $err; | |
528 | } | |
529 | ||
530 | if ($cpid && (waitpid($cpid, 0) > 0)) { | |
531 | my $stat = $?; | |
532 | my $ec = $stat >> 8; | |
533 | my $signal = $stat & 127; | |
534 | if ($ec || $signal) { | |
874a096e | 535 | die "$comp failed - wrong exit status $ec" . |
91bd6c90 DM |
536 | ($signal ? " (signal $signal)\n" : "\n"); |
537 | } | |
538 | } | |
539 | } | |
540 | ||
541 | sub snapshot { | |
542 | my ($self, $task, $vmid) = @_; | |
543 | ||
544 | # nothing to do | |
1e3baf05 DM |
545 | } |
546 | ||
547 | sub cleanup { | |
548 | my ($self, $task, $vmid) = @_; | |
549 | ||
91bd6c90 | 550 | # nothing to do ? |
1e3baf05 DM |
551 | } |
552 | ||
553 | 1; |