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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; | |
69e62894 | 10 | use JSON; |
d610b145 TL |
11 | |
12 | use PVE::Cluster qw(cfs_read_file); | |
66ab1d91 | 13 | use PVE::INotify; |
91bd6c90 | 14 | use PVE::IPCC; |
d610b145 | 15 | use PVE::JSONSchema; |
0a13e08e | 16 | use PVE::QMPClient; |
f5bdefa4 | 17 | use PVE::Storage::Plugin; |
c5983223 | 18 | use PVE::Storage::PBSPlugin; |
1e3baf05 | 19 | use PVE::Storage; |
d610b145 TL |
20 | use PVE::Tools; |
21 | use PVE::VZDump; | |
22 | ||
912792e2 | 23 | use PVE::QemuConfig; |
1e3baf05 | 24 | use PVE::QemuServer; |
3392d6ca | 25 | use PVE::QemuServer::Machine; |
0a13e08e | 26 | use PVE::QemuServer::Monitor qw(mon_cmd); |
1e3baf05 DM |
27 | |
28 | use base qw (PVE::VZDump::Plugin); | |
29 | ||
30 | sub new { | |
31 | my ($class, $vzdump) = @_; | |
874a096e | 32 | |
66ab1d91 | 33 | PVE::VZDump::check_bin('qm'); |
1e3baf05 | 34 | |
e2812738 | 35 | my $self = bless { vzdump => $vzdump }, $class; |
1e3baf05 DM |
36 | |
37 | $self->{vmlist} = PVE::QemuServer::vzlist(); | |
38 | $self->{storecfg} = PVE::Storage::config(); | |
39 | ||
40 | return $self; | |
41 | }; | |
42 | ||
1e3baf05 DM |
43 | sub type { |
44 | return 'qemu'; | |
45 | } | |
46 | ||
47 | sub vmlist { | |
48 | my ($self) = @_; | |
1e3baf05 DM |
49 | return [ keys %{$self->{vmlist}} ]; |
50 | } | |
51 | ||
52 | sub prepare { | |
53 | my ($self, $task, $vmid, $mode) = @_; | |
54 | ||
55 | $task->{disks} = []; | |
56 | ||
ffda963f | 57 | my $conf = $self->{vmlist}->{$vmid} = PVE::QemuConfig->load_config($vmid); |
1e3baf05 | 58 | |
85b84b7b WL |
59 | $self->loginfo("VM Name: $conf->{name}") |
60 | if defined($conf->{name}); | |
61 | ||
91bd6c90 DM |
62 | $self->{vm_was_running} = 1; |
63 | if (!PVE::QemuServer::check_running($vmid)) { | |
64 | $self->{vm_was_running} = 0; | |
585b6e28 DM |
65 | } |
66 | ||
1e3baf05 DM |
67 | $task->{hostname} = $conf->{name}; |
68 | ||
874a096e | 69 | my $hostname = PVE::INotify::nodename(); |
1e3baf05 | 70 | |
b969cc68 DM |
71 | my $vollist = []; |
72 | my $drivehash = {}; | |
185df962 | 73 | my $backup_volumes = PVE::QemuConfig->get_backup_volumes($conf); |
1e3baf05 | 74 | |
185df962 AL |
75 | foreach my $volume (@{$backup_volumes}) { |
76 | my $name = $volume->{key}; | |
5a92276e | 77 | my $volume_config = $volume->{volume_config}; |
185df962 | 78 | my $volid = $volume_config->{file}; |
1e3baf05 | 79 | |
185df962 AL |
80 | if (!$volume->{included}) { |
81 | $self->loginfo("exclude disk '$name' '$volid' ($volume->{reason})"); | |
82 | next; | |
83 | } elsif ($self->{vm_was_running} && $volume_config->{iothread}) { | |
3392d6ca | 84 | if (!PVE::QemuServer::Machine::runs_at_least_qemu_version($vmid, 4, 0, 1)) { |
185df962 | 85 | die "disk '$name' '$volid' (iothread=on) can't use backup feature with running QEMU " . |
48343b3f TL |
86 | "version < 4.0.1! Either set backup=no for this drive or upgrade QEMU and restart VM\n"; |
87 | } | |
b53b958b | 88 | } else { |
185df962 AL |
89 | my $log = "include disk '$name' '$volid'"; |
90 | if (defined(my $size = $volume_config->{size})) { | |
91 | my $readable_size = PVE::JSONSchema::format_size($size); | |
0db93c2d | 92 | $log .= " $readable_size"; |
185df962 | 93 | } |
0db93c2d | 94 | $self->loginfo($log); |
874a096e | 95 | } |
b969cc68 | 96 | |
f5bdefa4 | 97 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1); |
b969cc68 | 98 | push @$vollist, $volid if $storeid; |
185df962 AL |
99 | $drivehash->{$name} = $volume->{volume_config}; |
100 | } | |
b969cc68 DM |
101 | |
102 | PVE::Storage::activate_volumes($self->{storecfg}, $vollist); | |
103 | ||
075b417a DM |
104 | foreach my $ds (sort keys %$drivehash) { |
105 | my $drive = $drivehash->{$ds}; | |
874a096e | 106 | |
1e3baf05 | 107 | my $volid = $drive->{file}; |
f5bdefa4 | 108 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1); |
a113a58a TL |
109 | |
110 | my $path = $volid; | |
1e3baf05 | 111 | if ($storeid) { |
b969cc68 | 112 | $path = PVE::Storage::path($self->{storecfg}, $volid); |
1e3baf05 | 113 | } |
b969cc68 | 114 | next if !$path; |
1e3baf05 | 115 | |
a113a58a | 116 | my ($size, $format) = eval { PVE::Storage::volume_size_info($self->{storecfg}, $volid, 5) }; |
daca220d | 117 | die "no such volume '$volid'\n" if $@; |
91bd6c90 | 118 | |
a113a58a TL |
119 | my $diskinfo = { |
120 | path => $path, | |
121 | volid => $volid, | |
122 | storeid => $storeid, | |
123 | format => $format, | |
124 | virtdev => $ds, | |
125 | qmdevice => "drive-$ds", | |
126 | }; | |
1e3baf05 DM |
127 | |
128 | if (-b $path) { | |
1e3baf05 | 129 | $diskinfo->{type} = 'block'; |
1e3baf05 | 130 | } else { |
1e3baf05 | 131 | $diskinfo->{type} = 'file'; |
1e3baf05 DM |
132 | } |
133 | ||
134 | push @{$task->{disks}}, $diskinfo; | |
b969cc68 | 135 | } |
1e3baf05 DM |
136 | } |
137 | ||
138 | sub vm_status { | |
139 | my ($self, $vmid) = @_; | |
140 | ||
66ab1d91 | 141 | my $running = PVE::QemuServer::check_running($vmid) ? 1 : 0; |
874a096e DM |
142 | |
143 | return wantarray ? ($running, $running ? 'running' : 'stopped') : $running; | |
1e3baf05 DM |
144 | } |
145 | ||
146 | sub lock_vm { | |
147 | my ($self, $vmid) = @_; | |
148 | ||
f301bc0d | 149 | PVE::QemuConfig->set_lock($vmid, 'backup'); |
1e3baf05 DM |
150 | } |
151 | ||
152 | sub unlock_vm { | |
153 | my ($self, $vmid) = @_; | |
154 | ||
f301bc0d | 155 | PVE::QemuConfig->remove_lock($vmid, 'backup'); |
1e3baf05 DM |
156 | } |
157 | ||
158 | sub stop_vm { | |
159 | my ($self, $task, $vmid) = @_; | |
160 | ||
161 | my $opts = $self->{vzdump}->{opts}; | |
162 | ||
163 | my $wait = $opts->{stopwait} * 60; | |
164 | # send shutdown and wait | |
254575e9 | 165 | $self->cmd ("qm shutdown $vmid --skiplock --keepActive --timeout $wait"); |
1e3baf05 DM |
166 | } |
167 | ||
168 | sub start_vm { | |
169 | my ($self, $task, $vmid) = @_; | |
170 | ||
66ab1d91 | 171 | $self->cmd ("qm start $vmid --skiplock"); |
1e3baf05 DM |
172 | } |
173 | ||
174 | sub suspend_vm { | |
175 | my ($self, $task, $vmid) = @_; | |
176 | ||
66ab1d91 | 177 | $self->cmd ("qm suspend $vmid --skiplock"); |
1e3baf05 DM |
178 | } |
179 | ||
180 | sub resume_vm { | |
181 | my ($self, $task, $vmid) = @_; | |
182 | ||
66ab1d91 | 183 | $self->cmd ("qm resume $vmid --skiplock"); |
1e3baf05 DM |
184 | } |
185 | ||
1e3baf05 DM |
186 | sub assemble { |
187 | my ($self, $task, $vmid) = @_; | |
188 | ||
04096e7b | 189 | my $conffile = PVE::QemuConfig->config_file($vmid); |
1e3baf05 DM |
190 | |
191 | my $outfile = "$task->{tmpdir}/qemu-server.conf"; | |
c05f7f3f WL |
192 | my $firewall_src = "/etc/pve/firewall/$vmid.fw"; |
193 | my $firewall_dest = "$task->{tmpdir}/qemu-server.fw"; | |
194 | ||
195 | my $outfd = IO::File->new (">$outfile") || | |
196 | die "unable to open '$outfile'"; | |
197 | my $conffd = IO::File->new ($conffile, 'r') || | |
198 | die "unable open '$conffile'"; | |
199 | ||
200 | my $found_snapshot; | |
391c2230 | 201 | my $found_pending; |
c05f7f3f WL |
202 | while (defined (my $line = <$conffd>)) { |
203 | next if $line =~ m/^\#vzdump\#/; # just to be sure | |
204 | next if $line =~ m/^\#qmdump\#/; # just to be sure | |
391c2230 FG |
205 | if ($line =~ m/^\[(.*)\]\s*$/) { |
206 | if ($1 =~ m/PENDING/i) { | |
207 | $found_pending = 1; | |
208 | } else { | |
209 | $found_snapshot = 1; | |
210 | } | |
1e3baf05 | 211 | } |
1bd6fe13 | 212 | next if $found_snapshot || $found_pending; # skip all snapshots and pending changes config data |
391c2230 | 213 | |
c05f7f3f WL |
214 | if ($line =~ m/^unused\d+:\s*(\S+)\s*/) { |
215 | $self->loginfo("skip unused drive '$1' (not included into backup)"); | |
216 | next; | |
1e3baf05 | 217 | } |
c05f7f3f | 218 | next if $line =~ m/^lock:/ || $line =~ m/^parent:/; |
91bd6c90 | 219 | |
c05f7f3f WL |
220 | print $outfd $line; |
221 | } | |
222 | ||
223 | foreach my $di (@{$task->{disks}}) { | |
224 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
225 | my $storeid = $di->{storeid} || ''; | |
226 | my $format = $di->{format} || ''; | |
227 | print $outfd "#qmdump#map:$di->{virtdev}:$di->{qmdevice}:$storeid:$format:\n"; | |
228 | } else { | |
229 | die "internal error"; | |
91bd6c90 | 230 | } |
c05f7f3f | 231 | } |
1e3baf05 | 232 | |
c05f7f3f WL |
233 | if ($found_snapshot) { |
234 | $self->loginfo("snapshots found (not included into backup)"); | |
235 | } | |
391c2230 FG |
236 | if ($found_pending) { |
237 | $self->loginfo("pending configuration changes found (not included into backup)"); | |
238 | } | |
239 | ||
c05f7f3f | 240 | PVE::Tools::file_copy($firewall_src, $firewall_dest) if -f $firewall_src; |
1e3baf05 DM |
241 | } |
242 | ||
243 | sub archive { | |
fad02a16 | 244 | my ($self, $task, $vmid, $filename, $comp) = @_; |
1e3baf05 | 245 | |
c5983223 | 246 | my $opts = $self->{vzdump}->{opts}; |
c5983223 DM |
247 | my $scfg = $opts->{scfg}; |
248 | ||
69074863 | 249 | if ($self->{vzdump}->{opts}->{pbs}) { |
c5983223 DM |
250 | $self->archive_pbs($task, $vmid); |
251 | } else { | |
252 | $self->archive_vma($task, $vmid, $filename, $comp); | |
253 | } | |
254 | } | |
255 | ||
256 | my $query_backup_status_loop = sub { | |
257 | my ($self, $vmid, $job_uuid) = @_; | |
258 | ||
c5983223 | 259 | my $starttime = time (); |
09eb196b TL |
260 | my $last_time = $starttime; |
261 | my ($last_percent, $last_total, $last_zero, $last_transferred) = (-1, 0, 0, 0); | |
c5983223 DM |
262 | my $transferred; |
263 | ||
09eb196b TL |
264 | my $get_mbps = sub { |
265 | my ($mb, $delta) = @_; | |
266 | return ($mb > 0) ? int(($mb / $delta) / (1000 * 1000)) : 0; | |
267 | }; | |
268 | ||
c5983223 | 269 | while(1) { |
09eb196b TL |
270 | my $status = mon_cmd($vmid, 'query-backup'); |
271 | ||
c5983223 DM |
272 | my $total = $status->{total} || 0; |
273 | $transferred = $status->{transferred} || 0; | |
09eb196b | 274 | my $percent = $total ? int(($transferred * 100)/$total) : 0; |
c5983223 DM |
275 | my $zero = $status->{'zero-bytes'} || 0; |
276 | my $zero_per = $total ? int(($zero * 100)/$total) : 0; | |
277 | ||
278 | die "got unexpected uuid\n" if !$status->{uuid} || ($status->{uuid} ne $job_uuid); | |
279 | ||
280 | my $ctime = time(); | |
281 | my $duration = $ctime - $starttime; | |
282 | ||
283 | my $rbytes = $transferred - $last_transferred; | |
284 | my $wbytes = $rbytes - ($zero - $last_zero); | |
285 | ||
286 | my $timediff = ($ctime - $last_time) || 1; # fixme | |
09eb196b TL |
287 | my $mbps_read = $get_mbps->($rbytes, $timediff); |
288 | my $mbps_write = $get_mbps->($wbytes, $timediff); | |
289 | ||
290 | my $statusline = "status: $percent% ($transferred/$total), sparse ${zero_per}% ($zero), duration $duration, read/write $mbps_read/$mbps_write MB/s"; | |
291 | ||
c5983223 DM |
292 | my $res = $status->{status} || 'unknown'; |
293 | if ($res ne 'active') { | |
294 | $self->loginfo($statusline); | |
09eb196b TL |
295 | if ($res ne 'done') { |
296 | die (($status->{errmsg} || "unknown error") . "\n") if $res eq 'error'; | |
297 | die "got unexpected status '$res'\n"; | |
298 | } elsif ($total != $transferred) { | |
69e62894 | 299 | $self->loginfo("backup was done incrementally"); |
09eb196b | 300 | } |
c5983223 DM |
301 | last; |
302 | } | |
09eb196b | 303 | if ($percent != $last_percent && ($timediff > 2)) { |
c5983223 | 304 | $self->loginfo($statusline); |
09eb196b | 305 | $last_percent = $percent; |
c5983223 DM |
306 | $last_total = $total if $total; |
307 | $last_zero = $zero if $zero; | |
308 | $last_transferred = $transferred if $transferred; | |
309 | $last_time = $ctime; | |
310 | } | |
311 | sleep(1); | |
312 | } | |
313 | ||
314 | my $duration = time() - $starttime; | |
315 | if ($transferred && $duration) { | |
09eb196b TL |
316 | my $mb = int($transferred / (1000 * 1000)); |
317 | my $mbps = $get_mbps->($transferred, $duration); | |
c5983223 DM |
318 | $self->loginfo("transferred $mb MB in $duration seconds ($mbps MB/s)"); |
319 | } | |
320 | }; | |
321 | ||
322 | sub archive_pbs { | |
323 | my ($self, $task, $vmid) = @_; | |
324 | ||
1e3baf05 | 325 | my $conffile = "$task->{tmpdir}/qemu-server.conf"; |
c05f7f3f | 326 | my $firewall = "$task->{tmpdir}/qemu-server.fw"; |
1e3baf05 DM |
327 | |
328 | my $opts = $self->{vzdump}->{opts}; | |
c5983223 DM |
329 | my $scfg = $opts->{scfg}; |
330 | ||
331 | my $starttime = time(); | |
332 | ||
c5983223 DM |
333 | my $server = $scfg->{server}; |
334 | my $datastore = $scfg->{datastore}; | |
335 | my $username = $scfg->{username} // 'root@pam'; | |
336 | my $fingerprint = $scfg->{fingerprint}; | |
337 | ||
338 | my $repo = "$username\@$server:$datastore"; | |
339 | my $password = PVE::Storage::PBSPlugin::pbs_get_password($scfg, $opts->{storage}); | |
340 | ||
d11e91d2 | 341 | my $diskcount = scalar(@{$task->{disks}}); |
c5983223 DM |
342 | if (PVE::QemuConfig->is_template($self->{vmlist}->{$vmid}) || !$diskcount) { |
343 | my @pathlist; | |
344 | foreach my $di (@{$task->{disks}}) { | |
345 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
346 | push @pathlist, "$di->{qmdevice}.img:$di->{path}"; | |
347 | } else { | |
d11e91d2 | 348 | die "implement me (type $di->{type})"; |
c5983223 DM |
349 | } |
350 | } | |
351 | ||
352 | if (!$diskcount) { | |
353 | $self->loginfo("backup contains no disks"); | |
354 | } | |
355 | ||
356 | local $ENV{PBS_PASSWORD} = $password; | |
77b24c62 | 357 | local $ENV{PBS_FINGERPRINT} = $fingerprint if defined($fingerprint); |
c5983223 DM |
358 | my $cmd = [ |
359 | '/usr/bin/proxmox-backup-client', | |
360 | 'backup', | |
361 | '--repository', $repo, | |
362 | '--backup-type', 'vm', | |
363 | '--backup-id', "$vmid", | |
364 | '--backup-time', $task->{backup_time}, | |
d11e91d2 | 365 | ]; |
c5983223 DM |
366 | |
367 | push @$cmd, "qemu-server.conf:$conffile"; | |
368 | push @$cmd, "fw.conf:$firewall" if -e $firewall; | |
369 | push @$cmd, @pathlist if scalar(@pathlist); | |
370 | ||
371 | $self->loginfo("starting template backup"); | |
372 | $self->loginfo(join(' ', @$cmd)); | |
373 | ||
374 | $self->cmd($cmd); | |
375 | ||
376 | return; | |
377 | } | |
378 | ||
81dcd479 TL |
379 | # get list early so we die on unkown drive types before doing anything |
380 | my $devlist = _get_task_devlist($task); | |
c5983223 | 381 | |
0b2f574b | 382 | $self->enforce_vm_running_for_backup($vmid); |
c5983223 | 383 | |
f6168f1a | 384 | my $backup_job_uuid; |
c5983223 DM |
385 | eval { |
386 | $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = $SIG{PIPE} = sub { | |
d11e91d2 | 387 | die "interrupted by signal\n"; |
c5983223 DM |
388 | }; |
389 | ||
cb521f2d | 390 | my $fs_frozen = $self->qga_fs_freeze($task, $vmid); |
c5983223 | 391 | |
d11e91d2 TL |
392 | my $params = { |
393 | format => "pbs", | |
394 | 'backup-file' => $repo, | |
395 | 'backup-id' => "$vmid", | |
396 | 'backup-time' => $task->{backup_time}, | |
397 | password => $password, | |
398 | devlist => $devlist, | |
399 | 'config-file' => $conffile, | |
bbdf1ea5 | 400 | 'use-dirty-bitmap' => JSON::true, |
c5983223 | 401 | }; |
d11e91d2 TL |
402 | $params->{fingerprint} = $fingerprint if defined($fingerprint); |
403 | $params->{'firewall-file'} = $firewall if -e $firewall; | |
c5983223 | 404 | |
f57666e9 DM |
405 | $params->{timeout} = 60; # give some time to connect to the backup server |
406 | ||
d11e91d2 | 407 | my $res = eval { mon_cmd($vmid, "backup", %$params) }; |
c5983223 | 408 | my $qmperr = $@; |
d11e91d2 | 409 | $backup_job_uuid = $res->{UUID} if $res; |
c5983223 | 410 | |
1ece829a TL |
411 | if ($fs_frozen) { |
412 | $self->qga_fs_thaw($vmid); | |
c5983223 DM |
413 | } |
414 | ||
415 | die $qmperr if $qmperr; | |
f6168f1a | 416 | die "got no uuid for backup task\n" if !defined($backup_job_uuid); |
c5983223 | 417 | |
f6168f1a | 418 | $self->loginfo("started backup task '$backup_job_uuid'"); |
c5983223 | 419 | |
0b2f574b | 420 | $self->resume_vm_after_job_start($task, $vmid); |
c5983223 | 421 | |
f6168f1a | 422 | $query_backup_status_loop->($self, $vmid, $backup_job_uuid); |
c5983223 DM |
423 | }; |
424 | my $err = $@; | |
c5983223 DM |
425 | if ($err) { |
426 | $self->logerr($err); | |
0b2f574b | 427 | $self->mon_backup_cancel($vmid) if defined($backup_job_uuid); |
c5983223 | 428 | } |
0b2f574b | 429 | $self->restore_vm_power_state($vmid); |
c5983223 DM |
430 | |
431 | die $err if $err; | |
432 | } | |
433 | ||
02da0c65 TL |
434 | my $fork_compressor_pipe = sub { |
435 | my ($self, $comp, $outfileno) = @_; | |
436 | ||
437 | my @pipefd = POSIX::pipe(); | |
438 | my $cpid = fork(); | |
439 | die "unable to fork worker - $!" if !defined($cpid) || $cpid < 0; | |
440 | if ($cpid == 0) { | |
441 | eval { | |
442 | POSIX::close($pipefd[1]); | |
443 | # redirect STDIN | |
444 | my $fd = fileno(STDIN); | |
445 | close STDIN; | |
446 | POSIX::close(0) if $fd != 0; | |
447 | die "unable to redirect STDIN - $!" | |
448 | if !open(STDIN, "<&", $pipefd[0]); | |
449 | ||
450 | # redirect STDOUT | |
451 | $fd = fileno(STDOUT); | |
452 | close STDOUT; | |
453 | POSIX::close (1) if $fd != 1; | |
454 | ||
455 | die "unable to redirect STDOUT - $!" | |
456 | if !open(STDOUT, ">&", $outfileno); | |
457 | ||
458 | exec($comp); | |
459 | die "fork compressor '$comp' failed\n"; | |
460 | }; | |
461 | if (my $err = $@) { | |
462 | $self->logerr($err); | |
463 | POSIX::_exit(1); | |
464 | } | |
465 | POSIX::_exit(0); | |
466 | kill(-9, $$); | |
467 | } else { | |
468 | POSIX::close($pipefd[0]); | |
469 | $outfileno = $pipefd[1]; | |
470 | } | |
471 | ||
472 | return ($cpid, $outfileno); | |
473 | }; | |
474 | ||
c5983223 DM |
475 | sub archive_vma { |
476 | my ($self, $task, $vmid, $filename, $comp) = @_; | |
477 | ||
478 | my $conffile = "$task->{tmpdir}/qemu-server.conf"; | |
479 | my $firewall = "$task->{tmpdir}/qemu-server.fw"; | |
480 | ||
481 | my $opts = $self->{vzdump}->{opts}; | |
482 | ||
483 | my $starttime = time(); | |
1e3baf05 | 484 | |
91bd6c90 DM |
485 | my $speed = 0; |
486 | if ($opts->{bwlimit}) { | |
874a096e | 487 | $speed = $opts->{bwlimit}*1024; |
91bd6c90 | 488 | } |
1e3baf05 | 489 | |
c82935e9 | 490 | my $diskcount = scalar(@{$task->{disks}}); |
ffda963f | 491 | if (PVE::QemuConfig->is_template($self->{vmlist}->{$vmid}) || !$diskcount) { |
23b4120b DM |
492 | my @pathlist; |
493 | foreach my $di (@{$task->{disks}}) { | |
494 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
495 | push @pathlist, "$di->{qmdevice}=$di->{path}"; | |
496 | } else { | |
497 | die "implement me"; | |
498 | } | |
499 | } | |
500 | ||
c82935e9 DM |
501 | if (!$diskcount) { |
502 | $self->loginfo("backup contains no disks"); | |
503 | } | |
504 | ||
23b4120b DM |
505 | my $outcmd; |
506 | if ($comp) { | |
874a096e | 507 | $outcmd = "exec:$comp"; |
23b4120b | 508 | } else { |
874a096e | 509 | $outcmd = "exec:cat"; |
23b4120b DM |
510 | } |
511 | ||
a2fab11a | 512 | $outcmd .= " > $filename" if !$opts->{stdout}; |
23b4120b | 513 | |
c05f7f3f WL |
514 | my $cmd = ['/usr/bin/vma', 'create', '-v', '-c', $conffile]; |
515 | push @$cmd, '-c', $firewall if -e $firewall; | |
516 | push @$cmd, $outcmd, @pathlist; | |
23b4120b DM |
517 | |
518 | $self->loginfo("starting template backup"); | |
519 | $self->loginfo(join(' ', @$cmd)); | |
520 | ||
521 | if ($opts->{stdout}) { | |
6bb12239 | 522 | $self->cmd($cmd, output => ">&" . fileno($opts->{stdout})); |
23b4120b DM |
523 | } else { |
524 | $self->cmd($cmd); | |
525 | } | |
526 | ||
527 | return; | |
528 | } | |
529 | ||
81dcd479 | 530 | my $devlist = _get_task_devlist($task); |
1e3baf05 | 531 | |
0b2f574b | 532 | $self->enforce_vm_running_for_backup($vmid); |
91bd6c90 DM |
533 | |
534 | my $cpid; | |
d2cc2cbe DM |
535 | my $backup_job_uuid; |
536 | ||
91bd6c90 DM |
537 | eval { |
538 | $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = $SIG{PIPE} = sub { | |
d11e91d2 | 539 | die "interrupted by signal\n"; |
91bd6c90 DM |
540 | }; |
541 | ||
91bd6c90 DM |
542 | my $outfh; |
543 | if ($opts->{stdout}) { | |
544 | $outfh = $opts->{stdout}; | |
545 | } else { | |
546 | $outfh = IO::File->new($filename, "w") || | |
547 | die "unable to open file '$filename' - $!\n"; | |
548 | } | |
02da0c65 | 549 | my $outfileno = fileno($outfh); |
91bd6c90 | 550 | |
91bd6c90 | 551 | if ($comp) { |
02da0c65 | 552 | ($cpid, $outfileno) = $fork_compressor_pipe->($self, $comp, $outfileno); |
91bd6c90 DM |
553 | } |
554 | ||
e8705fc5 TL |
555 | my $qmpclient = PVE::QMPClient->new(); |
556 | my $backup_cb = sub { | |
557 | my ($vmid, $resp) = @_; | |
558 | $backup_job_uuid = $resp->{return}->{UUID}; | |
559 | }; | |
560 | my $add_fd_cb = sub { | |
91bd6c90 DM |
561 | my ($vmid, $resp) = @_; |
562 | ||
c05f7f3f WL |
563 | my $params = { |
564 | 'backup-file' => "/dev/fdname/backup", | |
565 | speed => $speed, | |
566 | 'config-file' => $conffile, | |
567 | devlist => $devlist | |
568 | }; | |
c05f7f3f | 569 | $params->{'firewall-file'} = $firewall if -e $firewall; |
d11e91d2 | 570 | |
c05f7f3f | 571 | $qmpclient->queue_cmd($vmid, $backup_cb, 'backup', %$params); |
91bd6c90 DM |
572 | }; |
573 | ||
d11e91d2 | 574 | $qmpclient->queue_cmd($vmid, $add_fd_cb, 'getfd', fd => $outfileno, fdname => "backup"); |
ab6a9a0c | 575 | |
cb521f2d | 576 | my $fs_frozen = $self->qga_fs_freeze($task, $vmid); |
874a096e | 577 | |
c5983223 | 578 | eval { $qmpclient->queue_execute(30) }; |
f0f30448 | 579 | my $qmperr = $@; |
91bd6c90 | 580 | |
1ece829a TL |
581 | if ($fs_frozen) { |
582 | $self->qga_fs_thaw($vmid); | |
ab6a9a0c | 583 | } |
d11e91d2 | 584 | |
f0f30448 | 585 | die $qmperr if $qmperr; |
874a096e | 586 | die $qmpclient->{errors}->{$vmid} if $qmpclient->{errors}->{$vmid}; |
91bd6c90 DM |
587 | |
588 | if ($cpid) { | |
874a096e | 589 | POSIX::close($outfileno) == 0 || |
91bd6c90 DM |
590 | die "close output file handle failed\n"; |
591 | } | |
592 | ||
d2cc2cbe | 593 | die "got no uuid for backup task\n" if !defined($backup_job_uuid); |
91bd6c90 | 594 | |
d2cc2cbe | 595 | $self->loginfo("started backup task '$backup_job_uuid'"); |
91bd6c90 | 596 | |
0b2f574b | 597 | $self->resume_vm_after_job_start($task, $vmid); |
91bd6c90 | 598 | |
d2cc2cbe | 599 | $query_backup_status_loop->($self, $vmid, $backup_job_uuid); |
91bd6c90 DM |
600 | }; |
601 | my $err = $@; | |
19599cd9 | 602 | if ($err) { |
60635a57 | 603 | $self->logerr($err); |
0b2f574b | 604 | $self->mon_backup_cancel($vmid) if defined($backup_job_uuid); |
19599cd9 DM |
605 | } |
606 | ||
0b2f574b | 607 | $self->restore_vm_power_state($vmid); |
91bd6c90 DM |
608 | |
609 | if ($err) { | |
874a096e DM |
610 | if ($cpid) { |
611 | kill(9, $cpid); | |
91bd6c90 DM |
612 | waitpid($cpid, 0); |
613 | } | |
614 | die $err; | |
615 | } | |
616 | ||
617 | if ($cpid && (waitpid($cpid, 0) > 0)) { | |
618 | my $stat = $?; | |
619 | my $ec = $stat >> 8; | |
620 | my $signal = $stat & 127; | |
621 | if ($ec || $signal) { | |
874a096e | 622 | die "$comp failed - wrong exit status $ec" . |
91bd6c90 DM |
623 | ($signal ? " (signal $signal)\n" : "\n"); |
624 | } | |
625 | } | |
626 | } | |
627 | ||
81dcd479 TL |
628 | sub _get_task_devlist { |
629 | my ($task) = @_; | |
630 | ||
631 | my $devlist = ''; | |
632 | foreach my $di (@{$task->{disks}}) { | |
633 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
634 | $devlist .= ',' if $devlist; | |
635 | $devlist .= $di->{qmdevice}; | |
636 | } else { | |
637 | die "implement me (type '$di->{type}')"; | |
638 | } | |
639 | } | |
640 | return $devlist; | |
641 | } | |
642 | ||
1ece829a | 643 | sub qga_fs_freeze { |
cb521f2d TL |
644 | my ($self, $task, $vmid) = @_; |
645 | return if !$self->{vmlist}->{$vmid}->{agent} || $task->{mode} eq 'stop' || !$self->{vm_was_running}; | |
1ece829a TL |
646 | |
647 | if (!PVE::QemuServer::qga_check_running($vmid, 1)) { | |
648 | $self->loginfo("skipping guest-agent 'fs-freeze', agent configured but not running?"); | |
649 | return; | |
650 | } | |
651 | ||
652 | $self->loginfo("issuing guest-agent 'fs-freeze' command"); | |
653 | eval { mon_cmd($vmid, "guest-fsfreeze-freeze") }; | |
654 | $self->logerr($@) if $@; | |
655 | ||
656 | return 1; # even on mon command error, ensure we always thaw again | |
657 | } | |
658 | ||
659 | # only call if fs_freeze return 1 | |
660 | sub qga_fs_thaw { | |
661 | my ($self, $vmid) = @_; | |
662 | ||
663 | $self->loginfo("issuing guest-agent 'fs-thaw' command"); | |
664 | eval { mon_cmd($vmid, "guest-fsfreeze-thaw") }; | |
665 | $self->logerr($@) if $@; | |
666 | } | |
667 | ||
0b2f574b TL |
668 | # we need a running QEMU/KVM process for backup, starts a paused (prelaunch) |
669 | # one if VM isn't already running | |
670 | sub enforce_vm_running_for_backup { | |
671 | my ($self, $vmid) = @_; | |
672 | ||
673 | if (PVE::QemuServer::check_running($vmid)) { | |
674 | $self->{vm_was_running} = 1; | |
675 | return; | |
676 | } | |
677 | ||
678 | eval { | |
679 | $self->loginfo("starting kvm to execute backup task"); | |
680 | # start with skiplock | |
0c498cca FG |
681 | my $params = { |
682 | skiplock => 1, | |
683 | paused => 1, | |
684 | }; | |
685 | PVE::QemuServer::vm_start($self->{storecfg}, $vmid, $params); | |
0b2f574b TL |
686 | }; |
687 | die $@ if $@; | |
688 | } | |
689 | ||
690 | # resume VM againe once we got in a clear state (stop mode backup of running VM) | |
691 | sub resume_vm_after_job_start { | |
692 | my ($self, $task, $vmid) = @_; | |
693 | ||
694 | return if !$self->{vm_was_running}; | |
695 | ||
696 | if (my $stoptime = $task->{vmstoptime}) { | |
697 | my $delay = time() - $task->{vmstoptime}; | |
698 | $task->{vmstoptime} = undef; # avoid printing 'online after ..' twice | |
699 | $self->loginfo("resuming VM again after $delay seconds"); | |
700 | } else { | |
701 | $self->loginfo("resuming VM again"); | |
702 | } | |
703 | mon_cmd($vmid, 'cont'); | |
704 | } | |
705 | ||
706 | # stop again if VM was not running before | |
707 | sub restore_vm_power_state { | |
708 | my ($self, $vmid) = @_; | |
709 | ||
710 | # we always let VMs keep running | |
711 | return if $self->{vm_was_running}; | |
712 | ||
713 | eval { | |
714 | my $resp = mon_cmd($vmid, 'query-status'); | |
715 | my $status = $resp && $resp->{status} ? $resp->{status} : 'unknown'; | |
716 | if ($status eq 'prelaunch') { | |
717 | $self->loginfo("stopping kvm after backup task"); | |
718 | PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, 1); | |
719 | } else { | |
720 | $self->loginfo("kvm status changed after backup ('$status') - keep VM running"); | |
721 | } | |
722 | }; | |
723 | warn $@ if $@; | |
724 | } | |
725 | ||
726 | sub mon_backup_cancel { | |
727 | my ($self, $vmid) = @_; | |
728 | ||
729 | $self->loginfo("aborting backup job"); | |
730 | eval { mon_cmd($vmid, 'backup-cancel') }; | |
731 | $self->logerr($@) if $@; | |
732 | } | |
733 | ||
91bd6c90 DM |
734 | sub snapshot { |
735 | my ($self, $task, $vmid) = @_; | |
736 | ||
737 | # nothing to do | |
1e3baf05 DM |
738 | } |
739 | ||
740 | sub cleanup { | |
741 | my ($self, $task, $vmid) = @_; | |
742 | ||
91bd6c90 | 743 | # nothing to do ? |
1e3baf05 DM |
744 | } |
745 | ||
746 | 1; |