]>
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 | ||
4d159c24 TL |
256 | # number, [precision=1] |
257 | my $num2str = sub { | |
258 | return sprintf( "%." . ( $_[1] || 1 ) . "f", $_[0] ); | |
259 | }; | |
260 | sub bytes_to_human { | |
261 | my ($bytes, $precission) = @_; | |
262 | ||
263 | return $num2str->($bytes, $precission) . ' B' if $bytes < 1024; | |
264 | my $kb = $bytes/1024; | |
265 | ||
266 | return $num2str->($kb, $precission) . " KiB" if $kb < 1024; | |
267 | my $mb = $kb/1024; | |
268 | ||
269 | return $num2str->($mb, $precission) . " MiB" if $mb < 1024; | |
270 | my $gb = $mb/1024; | |
271 | ||
272 | return $num2str->($gb, $precission) . " GiB" if $gb < 1024; | |
273 | my $tb = $gb/1024; | |
274 | ||
275 | return $num2str->($tb, $precission) . " TiB"; | |
276 | }; | |
277 | ||
3a44897f | 278 | my $bitmap_action_to_human = sub { |
13ddc7eb | 279 | my ($self, $info) = @_; |
3a44897f SR |
280 | |
281 | my $action = $info->{action}; | |
282 | ||
283 | if ($action eq "not-used") { | |
13ddc7eb TL |
284 | return "disabled (no support)" if $self->{vm_was_running}; |
285 | return "disabled (VM not running)"; | |
3a44897f SR |
286 | } elsif ($action eq "not-used-removed") { |
287 | return "disabled (old bitmap cleared)"; | |
288 | } elsif ($action eq "new") { | |
13ddc7eb | 289 | return "created new"; |
3a44897f SR |
290 | } elsif ($action eq "used") { |
291 | if ($info->{dirty} == 0) { | |
13ddc7eb | 292 | return "OK (drive clean)"; |
3a44897f SR |
293 | } else { |
294 | my $size = bytes_to_human($info->{size}); | |
295 | my $dirty = bytes_to_human($info->{dirty}); | |
13ddc7eb | 296 | return "OK ($dirty of $size dirty)"; |
3a44897f SR |
297 | } |
298 | } elsif ($action eq "invalid") { | |
299 | return "existing bitmap was invalid and has been cleared"; | |
300 | } else { | |
301 | return "unknown"; | |
302 | } | |
303 | }; | |
304 | ||
c5983223 | 305 | my $query_backup_status_loop = sub { |
3a44897f | 306 | my ($self, $vmid, $job_uuid, $pbs_features) = @_; |
c5983223 | 307 | |
c5983223 | 308 | my $starttime = time (); |
09eb196b | 309 | my $last_time = $starttime; |
8825248c | 310 | my ($last_percent, $last_total, $last_target, $last_zero, $last_transferred) = (-1, 0, 0, 0, 0); |
4d159c24 | 311 | my ($transferred, $reused); |
c5983223 | 312 | |
09eb196b TL |
313 | my $get_mbps = sub { |
314 | my ($mb, $delta) = @_; | |
4d159c24 TL |
315 | return "0 B/s" if $mb <= 0; |
316 | my $bw = int(($mb / $delta)); | |
317 | return bytes_to_human($bw) . "/s"; | |
09eb196b TL |
318 | }; |
319 | ||
3a44897f | 320 | my $target = 0; |
8825248c | 321 | my $last_reused = 0; |
3a44897f SR |
322 | my $has_query_bitmap = 0; |
323 | if (defined($pbs_features) && $pbs_features->{'query-bitmap-info'}) { | |
324 | $has_query_bitmap = 1; | |
13ddc7eb | 325 | my $total = 0; |
3a44897f | 326 | my $bitmap_info = mon_cmd($vmid, 'query-pbs-bitmap-info'); |
13ddc7eb TL |
327 | foreach my $info (sort { $a->{drive} cmp $b->{drive} } @$bitmap_info) { |
328 | my $text = $bitmap_action_to_human->($self, $info); | |
3a44897f SR |
329 | my $drive = $info->{drive}; |
330 | $drive =~ s/^drive-//; # for consistency | |
13ddc7eb | 331 | $self->loginfo("$drive: dirty-bitmap status: $text"); |
3a44897f | 332 | $target += $info->{dirty}; |
13ddc7eb | 333 | $total += $info->{size}; |
8825248c | 334 | $last_reused += $info->{size} - $info->{dirty}; |
3a44897f | 335 | } |
13ddc7eb TL |
336 | if ($target < $total) { |
337 | my $total_h = bytes_to_human($total); | |
338 | my $target_h = bytes_to_human($target); | |
339 | $self->loginfo("using fast incremental mode (dirty-bitmap), $target_h dirty of $total_h total"); | |
340 | } | |
3a44897f SR |
341 | } |
342 | ||
c5983223 | 343 | while(1) { |
09eb196b TL |
344 | my $status = mon_cmd($vmid, 'query-backup'); |
345 | ||
c5983223 | 346 | my $total = $status->{total} || 0; |
3a44897f | 347 | $target = $total if !$has_query_bitmap; |
c5983223 | 348 | $transferred = $status->{transferred} || 0; |
4d159c24 | 349 | $reused = $status->{reused}; |
0f6c6981 | 350 | my $percent = $target ? int(($transferred * 100)/$target) : 100; |
c5983223 | 351 | my $zero = $status->{'zero-bytes'} || 0; |
c5983223 DM |
352 | |
353 | die "got unexpected uuid\n" if !$status->{uuid} || ($status->{uuid} ne $job_uuid); | |
354 | ||
355 | my $ctime = time(); | |
356 | my $duration = $ctime - $starttime; | |
357 | ||
358 | my $rbytes = $transferred - $last_transferred; | |
8825248c SR |
359 | my $wbytes; |
360 | if ($reused) { | |
361 | # reused includes zero bytes for PBS | |
362 | $wbytes = $rbytes - ($reused - $last_reused); | |
363 | } else { | |
364 | $wbytes = $rbytes - ($zero - $last_zero); | |
365 | } | |
c5983223 DM |
366 | |
367 | my $timediff = ($ctime - $last_time) || 1; # fixme | |
09eb196b TL |
368 | my $mbps_read = $get_mbps->($rbytes, $timediff); |
369 | my $mbps_write = $get_mbps->($wbytes, $timediff); | |
4d159c24 TL |
370 | my $target_h = bytes_to_human($target); |
371 | my $transferred_h = bytes_to_human($transferred); | |
372 | ||
4d159c24 TL |
373 | my $statusline = "status: $percent% ($transferred_h of $target_h), duration $duration" |
374 | .", read: $mbps_read, write: $mbps_write"; | |
09eb196b | 375 | |
c5983223 DM |
376 | my $res = $status->{status} || 'unknown'; |
377 | if ($res ne 'active') { | |
378 | $self->loginfo($statusline); | |
09eb196b TL |
379 | if ($res ne 'done') { |
380 | die (($status->{errmsg} || "unknown error") . "\n") if $res eq 'error'; | |
381 | die "got unexpected status '$res'\n"; | |
09eb196b | 382 | } |
6cdb568c TL |
383 | $last_target = $target if $target; |
384 | $last_total = $total if $total; | |
385 | $last_zero = $zero if $zero; | |
386 | $last_transferred = $transferred if $transferred; | |
c5983223 DM |
387 | last; |
388 | } | |
09eb196b | 389 | if ($percent != $last_percent && ($timediff > 2)) { |
c5983223 | 390 | $self->loginfo($statusline); |
09eb196b | 391 | $last_percent = $percent; |
4d159c24 | 392 | $last_target = $target if $target; |
c5983223 DM |
393 | $last_total = $total if $total; |
394 | $last_zero = $zero if $zero; | |
395 | $last_transferred = $transferred if $transferred; | |
396 | $last_time = $ctime; | |
8825248c | 397 | $last_reused = $reused; |
c5983223 DM |
398 | } |
399 | sleep(1); | |
400 | } | |
401 | ||
402 | my $duration = time() - $starttime; | |
d35412a3 TL |
403 | |
404 | if ($last_zero) { | |
405 | my $zero_per = $last_target ? int(($last_zero * 100)/$last_target) : 0; | |
406 | my $zero_h = bytes_to_human($last_zero, 2); | |
407 | $self->loginfo("backup is sparse: $zero_h (${zero_per}%) total zero data"); | |
408 | } | |
bafae3ec | 409 | if ($transferred) { |
4d159c24 | 410 | my $transferred_h = bytes_to_human($transferred, 2); |
4d159c24 TL |
411 | if ($reused) { |
412 | my $reused_h = bytes_to_human($reused, 2); | |
413 | my $reuse_per = int($reused * 100 / $last_total); | |
91c9f3b0 | 414 | $self->loginfo("backup was done incrementally, reused $reused_h (${reuse_per}%)"); |
4d159c24 | 415 | } |
bafae3ec TL |
416 | if ($duration) { |
417 | my $mbps = $get_mbps->($transferred, $duration); | |
418 | $self->loginfo("transferred $transferred_h in $duration seconds ($mbps)"); | |
419 | } else { | |
420 | $self->loginfo("transferred $transferred_h in <1 seconds"); | |
421 | } | |
4d159c24 TL |
422 | } |
423 | ||
b4be9c02 TL |
424 | return { |
425 | total => $last_total, | |
426 | reused => $reused, | |
427 | }; | |
c5983223 DM |
428 | }; |
429 | ||
430 | sub archive_pbs { | |
431 | my ($self, $task, $vmid) = @_; | |
432 | ||
1e3baf05 | 433 | my $conffile = "$task->{tmpdir}/qemu-server.conf"; |
c05f7f3f | 434 | my $firewall = "$task->{tmpdir}/qemu-server.fw"; |
1e3baf05 DM |
435 | |
436 | my $opts = $self->{vzdump}->{opts}; | |
c5983223 DM |
437 | my $scfg = $opts->{scfg}; |
438 | ||
439 | my $starttime = time(); | |
440 | ||
c5983223 DM |
441 | my $server = $scfg->{server}; |
442 | my $datastore = $scfg->{datastore}; | |
443 | my $username = $scfg->{username} // 'root@pam'; | |
444 | my $fingerprint = $scfg->{fingerprint}; | |
445 | ||
446 | my $repo = "$username\@$server:$datastore"; | |
447 | my $password = PVE::Storage::PBSPlugin::pbs_get_password($scfg, $opts->{storage}); | |
ece74030 | 448 | my $keyfile = PVE::Storage::PBSPlugin::pbs_encryption_key_file_name($scfg, $opts->{storage}); |
c5983223 | 449 | |
d11e91d2 | 450 | my $diskcount = scalar(@{$task->{disks}}); |
c5983223 DM |
451 | if (PVE::QemuConfig->is_template($self->{vmlist}->{$vmid}) || !$diskcount) { |
452 | my @pathlist; | |
b4be9c02 | 453 | # FIXME: accumulate disk sizes to use for backup job (email) log |
c5983223 DM |
454 | foreach my $di (@{$task->{disks}}) { |
455 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
456 | push @pathlist, "$di->{qmdevice}.img:$di->{path}"; | |
457 | } else { | |
d11e91d2 | 458 | die "implement me (type $di->{type})"; |
c5983223 DM |
459 | } |
460 | } | |
461 | ||
462 | if (!$diskcount) { | |
463 | $self->loginfo("backup contains no disks"); | |
464 | } | |
465 | ||
466 | local $ENV{PBS_PASSWORD} = $password; | |
77b24c62 | 467 | local $ENV{PBS_FINGERPRINT} = $fingerprint if defined($fingerprint); |
c5983223 DM |
468 | my $cmd = [ |
469 | '/usr/bin/proxmox-backup-client', | |
470 | 'backup', | |
471 | '--repository', $repo, | |
472 | '--backup-type', 'vm', | |
473 | '--backup-id', "$vmid", | |
474 | '--backup-time', $task->{backup_time}, | |
d11e91d2 | 475 | ]; |
c5983223 DM |
476 | |
477 | push @$cmd, "qemu-server.conf:$conffile"; | |
478 | push @$cmd, "fw.conf:$firewall" if -e $firewall; | |
479 | push @$cmd, @pathlist if scalar(@pathlist); | |
480 | ||
481 | $self->loginfo("starting template backup"); | |
482 | $self->loginfo(join(' ', @$cmd)); | |
483 | ||
484 | $self->cmd($cmd); | |
485 | ||
486 | return; | |
487 | } | |
488 | ||
81dcd479 TL |
489 | # get list early so we die on unkown drive types before doing anything |
490 | my $devlist = _get_task_devlist($task); | |
c5983223 | 491 | |
0b2f574b | 492 | $self->enforce_vm_running_for_backup($vmid); |
c5983223 | 493 | |
f6168f1a | 494 | my $backup_job_uuid; |
c5983223 DM |
495 | eval { |
496 | $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = $SIG{PIPE} = sub { | |
d11e91d2 | 497 | die "interrupted by signal\n"; |
c5983223 DM |
498 | }; |
499 | ||
fb9f512c SR |
500 | my $qemu_support = eval { mon_cmd($vmid, "query-proxmox-support") }; |
501 | if (!$qemu_support) { | |
502 | die "PBS backups are not supported by the running QEMU version. Please make " | |
503 | . "sure you've installed the latest version and the VM has been restarted.\n"; | |
504 | } | |
505 | ||
cb521f2d | 506 | my $fs_frozen = $self->qga_fs_freeze($task, $vmid); |
c5983223 | 507 | |
d11e91d2 TL |
508 | my $params = { |
509 | format => "pbs", | |
510 | 'backup-file' => $repo, | |
511 | 'backup-id' => "$vmid", | |
512 | 'backup-time' => $task->{backup_time}, | |
513 | password => $password, | |
514 | devlist => $devlist, | |
515 | 'config-file' => $conffile, | |
c5983223 | 516 | }; |
d11e91d2 TL |
517 | $params->{fingerprint} = $fingerprint if defined($fingerprint); |
518 | $params->{'firewall-file'} = $firewall if -e $firewall; | |
ece74030 WB |
519 | if (-e $keyfile) { |
520 | $self->loginfo("enabling encryption"); | |
521 | $params->{keyfile} = $keyfile; | |
522 | $params->{encrypt} = JSON::true; | |
523 | } else { | |
524 | $params->{encrypt} = JSON::false; | |
525 | } | |
c5983223 | 526 | |
78179bda SR |
527 | $params->{'use-dirty-bitmap'} = JSON::true |
528 | if $qemu_support->{'pbs-dirty-bitmap'} && $self->{vm_was_running}; | |
fb9f512c | 529 | |
f57666e9 DM |
530 | $params->{timeout} = 60; # give some time to connect to the backup server |
531 | ||
d11e91d2 | 532 | my $res = eval { mon_cmd($vmid, "backup", %$params) }; |
c5983223 | 533 | my $qmperr = $@; |
d11e91d2 | 534 | $backup_job_uuid = $res->{UUID} if $res; |
c5983223 | 535 | |
1ece829a TL |
536 | if ($fs_frozen) { |
537 | $self->qga_fs_thaw($vmid); | |
c5983223 DM |
538 | } |
539 | ||
540 | die $qmperr if $qmperr; | |
f6168f1a | 541 | die "got no uuid for backup task\n" if !defined($backup_job_uuid); |
c5983223 | 542 | |
f6168f1a | 543 | $self->loginfo("started backup task '$backup_job_uuid'"); |
c5983223 | 544 | |
0b2f574b | 545 | $self->resume_vm_after_job_start($task, $vmid); |
c5983223 | 546 | |
3a44897f | 547 | my $stat = $query_backup_status_loop->($self, $vmid, $backup_job_uuid, $qemu_support); |
2098f2ff | 548 | $task->{size} = $stat->{total}; |
c5983223 DM |
549 | }; |
550 | my $err = $@; | |
c5983223 DM |
551 | if ($err) { |
552 | $self->logerr($err); | |
0b2f574b | 553 | $self->mon_backup_cancel($vmid) if defined($backup_job_uuid); |
c5983223 | 554 | } |
0b2f574b | 555 | $self->restore_vm_power_state($vmid); |
c5983223 DM |
556 | |
557 | die $err if $err; | |
558 | } | |
559 | ||
02da0c65 TL |
560 | my $fork_compressor_pipe = sub { |
561 | my ($self, $comp, $outfileno) = @_; | |
562 | ||
563 | my @pipefd = POSIX::pipe(); | |
564 | my $cpid = fork(); | |
565 | die "unable to fork worker - $!" if !defined($cpid) || $cpid < 0; | |
566 | if ($cpid == 0) { | |
567 | eval { | |
568 | POSIX::close($pipefd[1]); | |
569 | # redirect STDIN | |
570 | my $fd = fileno(STDIN); | |
571 | close STDIN; | |
572 | POSIX::close(0) if $fd != 0; | |
573 | die "unable to redirect STDIN - $!" | |
574 | if !open(STDIN, "<&", $pipefd[0]); | |
575 | ||
576 | # redirect STDOUT | |
577 | $fd = fileno(STDOUT); | |
578 | close STDOUT; | |
579 | POSIX::close (1) if $fd != 1; | |
580 | ||
581 | die "unable to redirect STDOUT - $!" | |
582 | if !open(STDOUT, ">&", $outfileno); | |
583 | ||
584 | exec($comp); | |
585 | die "fork compressor '$comp' failed\n"; | |
586 | }; | |
587 | if (my $err = $@) { | |
588 | $self->logerr($err); | |
589 | POSIX::_exit(1); | |
590 | } | |
591 | POSIX::_exit(0); | |
592 | kill(-9, $$); | |
593 | } else { | |
594 | POSIX::close($pipefd[0]); | |
595 | $outfileno = $pipefd[1]; | |
596 | } | |
597 | ||
598 | return ($cpid, $outfileno); | |
599 | }; | |
600 | ||
c5983223 DM |
601 | sub archive_vma { |
602 | my ($self, $task, $vmid, $filename, $comp) = @_; | |
603 | ||
604 | my $conffile = "$task->{tmpdir}/qemu-server.conf"; | |
605 | my $firewall = "$task->{tmpdir}/qemu-server.fw"; | |
606 | ||
607 | my $opts = $self->{vzdump}->{opts}; | |
608 | ||
609 | my $starttime = time(); | |
1e3baf05 | 610 | |
91bd6c90 DM |
611 | my $speed = 0; |
612 | if ($opts->{bwlimit}) { | |
874a096e | 613 | $speed = $opts->{bwlimit}*1024; |
91bd6c90 | 614 | } |
1e3baf05 | 615 | |
c82935e9 | 616 | my $diskcount = scalar(@{$task->{disks}}); |
ffda963f | 617 | if (PVE::QemuConfig->is_template($self->{vmlist}->{$vmid}) || !$diskcount) { |
23b4120b DM |
618 | my @pathlist; |
619 | foreach my $di (@{$task->{disks}}) { | |
620 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
621 | push @pathlist, "$di->{qmdevice}=$di->{path}"; | |
622 | } else { | |
623 | die "implement me"; | |
624 | } | |
625 | } | |
626 | ||
c82935e9 DM |
627 | if (!$diskcount) { |
628 | $self->loginfo("backup contains no disks"); | |
629 | } | |
630 | ||
23b4120b DM |
631 | my $outcmd; |
632 | if ($comp) { | |
874a096e | 633 | $outcmd = "exec:$comp"; |
23b4120b | 634 | } else { |
874a096e | 635 | $outcmd = "exec:cat"; |
23b4120b DM |
636 | } |
637 | ||
a2fab11a | 638 | $outcmd .= " > $filename" if !$opts->{stdout}; |
23b4120b | 639 | |
c05f7f3f WL |
640 | my $cmd = ['/usr/bin/vma', 'create', '-v', '-c', $conffile]; |
641 | push @$cmd, '-c', $firewall if -e $firewall; | |
642 | push @$cmd, $outcmd, @pathlist; | |
23b4120b DM |
643 | |
644 | $self->loginfo("starting template backup"); | |
645 | $self->loginfo(join(' ', @$cmd)); | |
646 | ||
647 | if ($opts->{stdout}) { | |
6bb12239 | 648 | $self->cmd($cmd, output => ">&" . fileno($opts->{stdout})); |
23b4120b DM |
649 | } else { |
650 | $self->cmd($cmd); | |
651 | } | |
652 | ||
653 | return; | |
654 | } | |
655 | ||
81dcd479 | 656 | my $devlist = _get_task_devlist($task); |
1e3baf05 | 657 | |
0b2f574b | 658 | $self->enforce_vm_running_for_backup($vmid); |
91bd6c90 DM |
659 | |
660 | my $cpid; | |
d2cc2cbe DM |
661 | my $backup_job_uuid; |
662 | ||
91bd6c90 DM |
663 | eval { |
664 | $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = $SIG{PIPE} = sub { | |
d11e91d2 | 665 | die "interrupted by signal\n"; |
91bd6c90 DM |
666 | }; |
667 | ||
91bd6c90 DM |
668 | my $outfh; |
669 | if ($opts->{stdout}) { | |
670 | $outfh = $opts->{stdout}; | |
671 | } else { | |
672 | $outfh = IO::File->new($filename, "w") || | |
673 | die "unable to open file '$filename' - $!\n"; | |
674 | } | |
02da0c65 | 675 | my $outfileno = fileno($outfh); |
91bd6c90 | 676 | |
91bd6c90 | 677 | if ($comp) { |
02da0c65 | 678 | ($cpid, $outfileno) = $fork_compressor_pipe->($self, $comp, $outfileno); |
91bd6c90 DM |
679 | } |
680 | ||
e8705fc5 TL |
681 | my $qmpclient = PVE::QMPClient->new(); |
682 | my $backup_cb = sub { | |
683 | my ($vmid, $resp) = @_; | |
684 | $backup_job_uuid = $resp->{return}->{UUID}; | |
685 | }; | |
686 | my $add_fd_cb = sub { | |
91bd6c90 DM |
687 | my ($vmid, $resp) = @_; |
688 | ||
c05f7f3f WL |
689 | my $params = { |
690 | 'backup-file' => "/dev/fdname/backup", | |
691 | speed => $speed, | |
692 | 'config-file' => $conffile, | |
693 | devlist => $devlist | |
694 | }; | |
c05f7f3f | 695 | $params->{'firewall-file'} = $firewall if -e $firewall; |
d11e91d2 | 696 | |
c05f7f3f | 697 | $qmpclient->queue_cmd($vmid, $backup_cb, 'backup', %$params); |
91bd6c90 DM |
698 | }; |
699 | ||
d11e91d2 | 700 | $qmpclient->queue_cmd($vmid, $add_fd_cb, 'getfd', fd => $outfileno, fdname => "backup"); |
ab6a9a0c | 701 | |
cb521f2d | 702 | my $fs_frozen = $self->qga_fs_freeze($task, $vmid); |
874a096e | 703 | |
c5983223 | 704 | eval { $qmpclient->queue_execute(30) }; |
f0f30448 | 705 | my $qmperr = $@; |
91bd6c90 | 706 | |
1ece829a TL |
707 | if ($fs_frozen) { |
708 | $self->qga_fs_thaw($vmid); | |
ab6a9a0c | 709 | } |
d11e91d2 | 710 | |
f0f30448 | 711 | die $qmperr if $qmperr; |
874a096e | 712 | die $qmpclient->{errors}->{$vmid} if $qmpclient->{errors}->{$vmid}; |
91bd6c90 DM |
713 | |
714 | if ($cpid) { | |
874a096e | 715 | POSIX::close($outfileno) == 0 || |
91bd6c90 DM |
716 | die "close output file handle failed\n"; |
717 | } | |
718 | ||
d2cc2cbe | 719 | die "got no uuid for backup task\n" if !defined($backup_job_uuid); |
91bd6c90 | 720 | |
d2cc2cbe | 721 | $self->loginfo("started backup task '$backup_job_uuid'"); |
91bd6c90 | 722 | |
0b2f574b | 723 | $self->resume_vm_after_job_start($task, $vmid); |
91bd6c90 | 724 | |
d2cc2cbe | 725 | $query_backup_status_loop->($self, $vmid, $backup_job_uuid); |
91bd6c90 DM |
726 | }; |
727 | my $err = $@; | |
19599cd9 | 728 | if ($err) { |
60635a57 | 729 | $self->logerr($err); |
0b2f574b | 730 | $self->mon_backup_cancel($vmid) if defined($backup_job_uuid); |
19599cd9 DM |
731 | } |
732 | ||
0b2f574b | 733 | $self->restore_vm_power_state($vmid); |
91bd6c90 DM |
734 | |
735 | if ($err) { | |
874a096e DM |
736 | if ($cpid) { |
737 | kill(9, $cpid); | |
91bd6c90 DM |
738 | waitpid($cpid, 0); |
739 | } | |
740 | die $err; | |
741 | } | |
742 | ||
743 | if ($cpid && (waitpid($cpid, 0) > 0)) { | |
744 | my $stat = $?; | |
745 | my $ec = $stat >> 8; | |
746 | my $signal = $stat & 127; | |
747 | if ($ec || $signal) { | |
874a096e | 748 | die "$comp failed - wrong exit status $ec" . |
91bd6c90 DM |
749 | ($signal ? " (signal $signal)\n" : "\n"); |
750 | } | |
751 | } | |
752 | } | |
753 | ||
81dcd479 TL |
754 | sub _get_task_devlist { |
755 | my ($task) = @_; | |
756 | ||
757 | my $devlist = ''; | |
758 | foreach my $di (@{$task->{disks}}) { | |
759 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
760 | $devlist .= ',' if $devlist; | |
761 | $devlist .= $di->{qmdevice}; | |
762 | } else { | |
763 | die "implement me (type '$di->{type}')"; | |
764 | } | |
765 | } | |
766 | return $devlist; | |
767 | } | |
768 | ||
1ece829a | 769 | sub qga_fs_freeze { |
cb521f2d TL |
770 | my ($self, $task, $vmid) = @_; |
771 | return if !$self->{vmlist}->{$vmid}->{agent} || $task->{mode} eq 'stop' || !$self->{vm_was_running}; | |
1ece829a TL |
772 | |
773 | if (!PVE::QemuServer::qga_check_running($vmid, 1)) { | |
774 | $self->loginfo("skipping guest-agent 'fs-freeze', agent configured but not running?"); | |
775 | return; | |
776 | } | |
777 | ||
778 | $self->loginfo("issuing guest-agent 'fs-freeze' command"); | |
779 | eval { mon_cmd($vmid, "guest-fsfreeze-freeze") }; | |
780 | $self->logerr($@) if $@; | |
781 | ||
782 | return 1; # even on mon command error, ensure we always thaw again | |
783 | } | |
784 | ||
785 | # only call if fs_freeze return 1 | |
786 | sub qga_fs_thaw { | |
787 | my ($self, $vmid) = @_; | |
788 | ||
789 | $self->loginfo("issuing guest-agent 'fs-thaw' command"); | |
790 | eval { mon_cmd($vmid, "guest-fsfreeze-thaw") }; | |
791 | $self->logerr($@) if $@; | |
792 | } | |
793 | ||
0b2f574b TL |
794 | # we need a running QEMU/KVM process for backup, starts a paused (prelaunch) |
795 | # one if VM isn't already running | |
796 | sub enforce_vm_running_for_backup { | |
797 | my ($self, $vmid) = @_; | |
798 | ||
799 | if (PVE::QemuServer::check_running($vmid)) { | |
800 | $self->{vm_was_running} = 1; | |
801 | return; | |
802 | } | |
803 | ||
804 | eval { | |
805 | $self->loginfo("starting kvm to execute backup task"); | |
806 | # start with skiplock | |
0c498cca FG |
807 | my $params = { |
808 | skiplock => 1, | |
809 | paused => 1, | |
810 | }; | |
811 | PVE::QemuServer::vm_start($self->{storecfg}, $vmid, $params); | |
0b2f574b TL |
812 | }; |
813 | die $@ if $@; | |
814 | } | |
815 | ||
816 | # resume VM againe once we got in a clear state (stop mode backup of running VM) | |
817 | sub resume_vm_after_job_start { | |
818 | my ($self, $task, $vmid) = @_; | |
819 | ||
820 | return if !$self->{vm_was_running}; | |
821 | ||
822 | if (my $stoptime = $task->{vmstoptime}) { | |
823 | my $delay = time() - $task->{vmstoptime}; | |
824 | $task->{vmstoptime} = undef; # avoid printing 'online after ..' twice | |
825 | $self->loginfo("resuming VM again after $delay seconds"); | |
826 | } else { | |
827 | $self->loginfo("resuming VM again"); | |
828 | } | |
829 | mon_cmd($vmid, 'cont'); | |
830 | } | |
831 | ||
832 | # stop again if VM was not running before | |
833 | sub restore_vm_power_state { | |
834 | my ($self, $vmid) = @_; | |
835 | ||
836 | # we always let VMs keep running | |
837 | return if $self->{vm_was_running}; | |
838 | ||
839 | eval { | |
840 | my $resp = mon_cmd($vmid, 'query-status'); | |
841 | my $status = $resp && $resp->{status} ? $resp->{status} : 'unknown'; | |
842 | if ($status eq 'prelaunch') { | |
843 | $self->loginfo("stopping kvm after backup task"); | |
844 | PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, 1); | |
845 | } else { | |
846 | $self->loginfo("kvm status changed after backup ('$status') - keep VM running"); | |
847 | } | |
848 | }; | |
849 | warn $@ if $@; | |
850 | } | |
851 | ||
852 | sub mon_backup_cancel { | |
853 | my ($self, $vmid) = @_; | |
854 | ||
855 | $self->loginfo("aborting backup job"); | |
856 | eval { mon_cmd($vmid, 'backup-cancel') }; | |
857 | $self->logerr($@) if $@; | |
858 | } | |
859 | ||
91bd6c90 DM |
860 | sub snapshot { |
861 | my ($self, $task, $vmid) = @_; | |
862 | ||
863 | # nothing to do | |
1e3baf05 DM |
864 | } |
865 | ||
866 | sub cleanup { | |
867 | my ($self, $task, $vmid) = @_; | |
868 | ||
91bd6c90 | 869 | # nothing to do ? |
1e3baf05 DM |
870 | } |
871 | ||
872 | 1; |