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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; |
4ac842cb | 11 | use POSIX qw(EINTR EAGAIN); |
d610b145 TL |
12 | |
13 | use PVE::Cluster qw(cfs_read_file); | |
66ab1d91 | 14 | use PVE::INotify; |
91bd6c90 | 15 | use PVE::IPCC; |
d610b145 | 16 | use PVE::JSONSchema; |
fbec3f89 | 17 | use PVE::PBSClient; |
0a13e08e | 18 | use PVE::QMPClient; |
f5bdefa4 | 19 | use PVE::Storage::Plugin; |
c5983223 | 20 | use PVE::Storage::PBSPlugin; |
1e3baf05 | 21 | use PVE::Storage; |
d610b145 TL |
22 | use PVE::Tools; |
23 | use PVE::VZDump; | |
f1aca33d | 24 | use PVE::Format qw(render_duration render_bytes); |
d610b145 | 25 | |
912792e2 | 26 | use PVE::QemuConfig; |
1e3baf05 | 27 | use PVE::QemuServer; |
3392d6ca | 28 | use PVE::QemuServer::Machine; |
0a13e08e | 29 | use PVE::QemuServer::Monitor qw(mon_cmd); |
1e3baf05 DM |
30 | |
31 | use base qw (PVE::VZDump::Plugin); | |
32 | ||
33 | sub new { | |
34 | my ($class, $vzdump) = @_; | |
874a096e | 35 | |
66ab1d91 | 36 | PVE::VZDump::check_bin('qm'); |
1e3baf05 | 37 | |
e2812738 | 38 | my $self = bless { vzdump => $vzdump }, $class; |
1e3baf05 DM |
39 | |
40 | $self->{vmlist} = PVE::QemuServer::vzlist(); | |
41 | $self->{storecfg} = PVE::Storage::config(); | |
42 | ||
43 | return $self; | |
44 | }; | |
45 | ||
1e3baf05 DM |
46 | sub type { |
47 | return 'qemu'; | |
48 | } | |
49 | ||
50 | sub vmlist { | |
51 | my ($self) = @_; | |
1e3baf05 DM |
52 | return [ keys %{$self->{vmlist}} ]; |
53 | } | |
54 | ||
55 | sub prepare { | |
56 | my ($self, $task, $vmid, $mode) = @_; | |
57 | ||
58 | $task->{disks} = []; | |
59 | ||
ffda963f | 60 | my $conf = $self->{vmlist}->{$vmid} = PVE::QemuConfig->load_config($vmid); |
1e3baf05 | 61 | |
85b84b7b WL |
62 | $self->loginfo("VM Name: $conf->{name}") |
63 | if defined($conf->{name}); | |
64 | ||
91bd6c90 | 65 | $self->{vm_was_running} = 1; |
b08c37c3 | 66 | $self->{vm_was_paused} = 0; |
91bd6c90 DM |
67 | if (!PVE::QemuServer::check_running($vmid)) { |
68 | $self->{vm_was_running} = 0; | |
b08c37c3 DC |
69 | } elsif (PVE::QemuServer::vm_is_paused($vmid)) { |
70 | $self->{vm_was_paused} = 1; | |
585b6e28 DM |
71 | } |
72 | ||
1e3baf05 DM |
73 | $task->{hostname} = $conf->{name}; |
74 | ||
874a096e | 75 | my $hostname = PVE::INotify::nodename(); |
1e3baf05 | 76 | |
b969cc68 DM |
77 | my $vollist = []; |
78 | my $drivehash = {}; | |
185df962 | 79 | my $backup_volumes = PVE::QemuConfig->get_backup_volumes($conf); |
1e3baf05 | 80 | |
185df962 AL |
81 | foreach my $volume (@{$backup_volumes}) { |
82 | my $name = $volume->{key}; | |
5a92276e | 83 | my $volume_config = $volume->{volume_config}; |
185df962 | 84 | my $volid = $volume_config->{file}; |
1e3baf05 | 85 | |
185df962 AL |
86 | if (!$volume->{included}) { |
87 | $self->loginfo("exclude disk '$name' '$volid' ($volume->{reason})"); | |
88 | next; | |
89 | } elsif ($self->{vm_was_running} && $volume_config->{iothread}) { | |
3392d6ca | 90 | if (!PVE::QemuServer::Machine::runs_at_least_qemu_version($vmid, 4, 0, 1)) { |
185df962 | 91 | die "disk '$name' '$volid' (iothread=on) can't use backup feature with running QEMU " . |
48343b3f TL |
92 | "version < 4.0.1! Either set backup=no for this drive or upgrade QEMU and restart VM\n"; |
93 | } | |
b53b958b | 94 | } else { |
185df962 AL |
95 | my $log = "include disk '$name' '$volid'"; |
96 | if (defined(my $size = $volume_config->{size})) { | |
97 | my $readable_size = PVE::JSONSchema::format_size($size); | |
0db93c2d | 98 | $log .= " $readable_size"; |
185df962 | 99 | } |
0db93c2d | 100 | $self->loginfo($log); |
874a096e | 101 | } |
b969cc68 | 102 | |
f5bdefa4 | 103 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1); |
b969cc68 | 104 | push @$vollist, $volid if $storeid; |
185df962 AL |
105 | $drivehash->{$name} = $volume->{volume_config}; |
106 | } | |
b969cc68 DM |
107 | |
108 | PVE::Storage::activate_volumes($self->{storecfg}, $vollist); | |
109 | ||
075b417a DM |
110 | foreach my $ds (sort keys %$drivehash) { |
111 | my $drive = $drivehash->{$ds}; | |
874a096e | 112 | |
1e3baf05 | 113 | my $volid = $drive->{file}; |
f5bdefa4 | 114 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, 1); |
a113a58a TL |
115 | |
116 | my $path = $volid; | |
1e3baf05 | 117 | if ($storeid) { |
b969cc68 | 118 | $path = PVE::Storage::path($self->{storecfg}, $volid); |
1e3baf05 | 119 | } |
b969cc68 | 120 | next if !$path; |
1e3baf05 | 121 | |
a113a58a | 122 | my ($size, $format) = eval { PVE::Storage::volume_size_info($self->{storecfg}, $volid, 5) }; |
daca220d | 123 | die "no such volume '$volid'\n" if $@; |
91bd6c90 | 124 | |
a113a58a TL |
125 | my $diskinfo = { |
126 | path => $path, | |
127 | volid => $volid, | |
128 | storeid => $storeid, | |
129 | format => $format, | |
130 | virtdev => $ds, | |
131 | qmdevice => "drive-$ds", | |
132 | }; | |
1e3baf05 DM |
133 | |
134 | if (-b $path) { | |
1e3baf05 | 135 | $diskinfo->{type} = 'block'; |
1e3baf05 | 136 | } else { |
1e3baf05 | 137 | $diskinfo->{type} = 'file'; |
1e3baf05 DM |
138 | } |
139 | ||
140 | push @{$task->{disks}}, $diskinfo; | |
b969cc68 | 141 | } |
1e3baf05 DM |
142 | } |
143 | ||
144 | sub vm_status { | |
145 | my ($self, $vmid) = @_; | |
146 | ||
66ab1d91 | 147 | my $running = PVE::QemuServer::check_running($vmid) ? 1 : 0; |
874a096e DM |
148 | |
149 | return wantarray ? ($running, $running ? 'running' : 'stopped') : $running; | |
1e3baf05 DM |
150 | } |
151 | ||
152 | sub lock_vm { | |
153 | my ($self, $vmid) = @_; | |
154 | ||
f301bc0d | 155 | PVE::QemuConfig->set_lock($vmid, 'backup'); |
1e3baf05 DM |
156 | } |
157 | ||
158 | sub unlock_vm { | |
159 | my ($self, $vmid) = @_; | |
160 | ||
f301bc0d | 161 | PVE::QemuConfig->remove_lock($vmid, 'backup'); |
1e3baf05 DM |
162 | } |
163 | ||
164 | sub stop_vm { | |
165 | my ($self, $task, $vmid) = @_; | |
166 | ||
167 | my $opts = $self->{vzdump}->{opts}; | |
168 | ||
169 | my $wait = $opts->{stopwait} * 60; | |
170 | # send shutdown and wait | |
254575e9 | 171 | $self->cmd ("qm shutdown $vmid --skiplock --keepActive --timeout $wait"); |
1e3baf05 DM |
172 | } |
173 | ||
174 | sub start_vm { | |
175 | my ($self, $task, $vmid) = @_; | |
176 | ||
66ab1d91 | 177 | $self->cmd ("qm start $vmid --skiplock"); |
1e3baf05 DM |
178 | } |
179 | ||
180 | sub suspend_vm { | |
181 | my ($self, $task, $vmid) = @_; | |
182 | ||
b08c37c3 DC |
183 | return if $self->{vm_was_paused}; |
184 | ||
66ab1d91 | 185 | $self->cmd ("qm suspend $vmid --skiplock"); |
1e3baf05 DM |
186 | } |
187 | ||
188 | sub resume_vm { | |
189 | my ($self, $task, $vmid) = @_; | |
190 | ||
b08c37c3 DC |
191 | return if $self->{vm_was_paused}; |
192 | ||
66ab1d91 | 193 | $self->cmd ("qm resume $vmid --skiplock"); |
1e3baf05 DM |
194 | } |
195 | ||
1e3baf05 DM |
196 | sub assemble { |
197 | my ($self, $task, $vmid) = @_; | |
198 | ||
04096e7b | 199 | my $conffile = PVE::QemuConfig->config_file($vmid); |
1e3baf05 DM |
200 | |
201 | my $outfile = "$task->{tmpdir}/qemu-server.conf"; | |
c05f7f3f WL |
202 | my $firewall_src = "/etc/pve/firewall/$vmid.fw"; |
203 | my $firewall_dest = "$task->{tmpdir}/qemu-server.fw"; | |
204 | ||
205 | my $outfd = IO::File->new (">$outfile") || | |
206 | die "unable to open '$outfile'"; | |
207 | my $conffd = IO::File->new ($conffile, 'r') || | |
208 | die "unable open '$conffile'"; | |
209 | ||
210 | my $found_snapshot; | |
391c2230 | 211 | my $found_pending; |
c05f7f3f WL |
212 | while (defined (my $line = <$conffd>)) { |
213 | next if $line =~ m/^\#vzdump\#/; # just to be sure | |
214 | next if $line =~ m/^\#qmdump\#/; # just to be sure | |
391c2230 FG |
215 | if ($line =~ m/^\[(.*)\]\s*$/) { |
216 | if ($1 =~ m/PENDING/i) { | |
217 | $found_pending = 1; | |
218 | } else { | |
219 | $found_snapshot = 1; | |
220 | } | |
1e3baf05 | 221 | } |
1bd6fe13 | 222 | next if $found_snapshot || $found_pending; # skip all snapshots and pending changes config data |
391c2230 | 223 | |
c05f7f3f WL |
224 | if ($line =~ m/^unused\d+:\s*(\S+)\s*/) { |
225 | $self->loginfo("skip unused drive '$1' (not included into backup)"); | |
226 | next; | |
1e3baf05 | 227 | } |
c05f7f3f | 228 | next if $line =~ m/^lock:/ || $line =~ m/^parent:/; |
91bd6c90 | 229 | |
c05f7f3f WL |
230 | print $outfd $line; |
231 | } | |
232 | ||
233 | foreach my $di (@{$task->{disks}}) { | |
234 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
235 | my $storeid = $di->{storeid} || ''; | |
236 | my $format = $di->{format} || ''; | |
237 | print $outfd "#qmdump#map:$di->{virtdev}:$di->{qmdevice}:$storeid:$format:\n"; | |
238 | } else { | |
239 | die "internal error"; | |
91bd6c90 | 240 | } |
c05f7f3f | 241 | } |
1e3baf05 | 242 | |
c05f7f3f WL |
243 | if ($found_snapshot) { |
244 | $self->loginfo("snapshots found (not included into backup)"); | |
245 | } | |
391c2230 FG |
246 | if ($found_pending) { |
247 | $self->loginfo("pending configuration changes found (not included into backup)"); | |
248 | } | |
249 | ||
c05f7f3f | 250 | PVE::Tools::file_copy($firewall_src, $firewall_dest) if -f $firewall_src; |
1e3baf05 DM |
251 | } |
252 | ||
253 | sub archive { | |
fad02a16 | 254 | my ($self, $task, $vmid, $filename, $comp) = @_; |
1e3baf05 | 255 | |
c5983223 | 256 | my $opts = $self->{vzdump}->{opts}; |
c5983223 DM |
257 | my $scfg = $opts->{scfg}; |
258 | ||
69074863 | 259 | if ($self->{vzdump}->{opts}->{pbs}) { |
c5983223 DM |
260 | $self->archive_pbs($task, $vmid); |
261 | } else { | |
262 | $self->archive_vma($task, $vmid, $filename, $comp); | |
263 | } | |
264 | } | |
265 | ||
3a44897f | 266 | my $bitmap_action_to_human = sub { |
13ddc7eb | 267 | my ($self, $info) = @_; |
3a44897f SR |
268 | |
269 | my $action = $info->{action}; | |
270 | ||
271 | if ($action eq "not-used") { | |
962d4d64 | 272 | return "disabled (no support)"; |
3a44897f SR |
273 | } elsif ($action eq "not-used-removed") { |
274 | return "disabled (old bitmap cleared)"; | |
275 | } elsif ($action eq "new") { | |
13ddc7eb | 276 | return "created new"; |
3a44897f SR |
277 | } elsif ($action eq "used") { |
278 | if ($info->{dirty} == 0) { | |
13ddc7eb | 279 | return "OK (drive clean)"; |
3a44897f | 280 | } else { |
f1aca33d SR |
281 | my $size = render_bytes($info->{size}, 1); |
282 | my $dirty = render_bytes($info->{dirty}, 1); | |
13ddc7eb | 283 | return "OK ($dirty of $size dirty)"; |
3a44897f SR |
284 | } |
285 | } elsif ($action eq "invalid") { | |
286 | return "existing bitmap was invalid and has been cleared"; | |
287 | } else { | |
288 | return "unknown"; | |
289 | } | |
290 | }; | |
291 | ||
c5983223 | 292 | my $query_backup_status_loop = sub { |
f8566714 | 293 | my ($self, $vmid, $job_uuid, $qemu_support) = @_; |
c5983223 | 294 | |
c5983223 | 295 | my $starttime = time (); |
09eb196b | 296 | my $last_time = $starttime; |
8825248c | 297 | my ($last_percent, $last_total, $last_target, $last_zero, $last_transferred) = (-1, 0, 0, 0, 0); |
4d159c24 | 298 | my ($transferred, $reused); |
c5983223 | 299 | |
09eb196b TL |
300 | my $get_mbps = sub { |
301 | my ($mb, $delta) = @_; | |
4d159c24 TL |
302 | return "0 B/s" if $mb <= 0; |
303 | my $bw = int(($mb / $delta)); | |
f1aca33d | 304 | return render_bytes($bw, 1) . "/s"; |
09eb196b TL |
305 | }; |
306 | ||
3a44897f | 307 | my $target = 0; |
8825248c | 308 | my $last_reused = 0; |
f8566714 | 309 | my $has_query_bitmap = $qemu_support && $qemu_support->{'query-bitmap-info'}; |
5749c383 | 310 | my $is_template = PVE::QemuConfig->is_template($self->{vmlist}->{$vmid}); |
f8566714 | 311 | if ($has_query_bitmap) { |
13ddc7eb | 312 | my $total = 0; |
3a44897f | 313 | my $bitmap_info = mon_cmd($vmid, 'query-pbs-bitmap-info'); |
5749c383 TL |
314 | for my $info (sort { $a->{drive} cmp $b->{drive} } @$bitmap_info) { |
315 | if (!$is_template) { | |
316 | my $text = $bitmap_action_to_human->($self, $info); | |
317 | my $drive = $info->{drive}; | |
318 | $drive =~ s/^drive-//; # for consistency | |
319 | $self->loginfo("$drive: dirty-bitmap status: $text"); | |
320 | } | |
3a44897f | 321 | $target += $info->{dirty}; |
13ddc7eb | 322 | $total += $info->{size}; |
8825248c | 323 | $last_reused += $info->{size} - $info->{dirty}; |
3a44897f | 324 | } |
13ddc7eb | 325 | if ($target < $total) { |
f1aca33d SR |
326 | my $total_h = render_bytes($total, 1); |
327 | my $target_h = render_bytes($target, 1); | |
13ddc7eb TL |
328 | $self->loginfo("using fast incremental mode (dirty-bitmap), $target_h dirty of $total_h total"); |
329 | } | |
3a44897f SR |
330 | } |
331 | ||
f8566714 | 332 | my $first_round = 1; |
1eb7e590 | 333 | my $last_finishing = 0; |
c5983223 | 334 | while(1) { |
09eb196b TL |
335 | my $status = mon_cmd($vmid, 'query-backup'); |
336 | ||
c5983223 | 337 | my $total = $status->{total} || 0; |
f8566714 TL |
338 | my $dirty = $status->{dirty}; |
339 | $target = (defined($dirty) && $dirty < $total) ? $dirty : $total if !$has_query_bitmap; | |
c5983223 | 340 | $transferred = $status->{transferred} || 0; |
4d159c24 | 341 | $reused = $status->{reused}; |
0f6c6981 | 342 | my $percent = $target ? int(($transferred * 100)/$target) : 100; |
c5983223 | 343 | my $zero = $status->{'zero-bytes'} || 0; |
c5983223 DM |
344 | |
345 | die "got unexpected uuid\n" if !$status->{uuid} || ($status->{uuid} ne $job_uuid); | |
346 | ||
347 | my $ctime = time(); | |
348 | my $duration = $ctime - $starttime; | |
349 | ||
350 | my $rbytes = $transferred - $last_transferred; | |
8825248c SR |
351 | my $wbytes; |
352 | if ($reused) { | |
353 | # reused includes zero bytes for PBS | |
354 | $wbytes = $rbytes - ($reused - $last_reused); | |
355 | } else { | |
356 | $wbytes = $rbytes - ($zero - $last_zero); | |
357 | } | |
c5983223 DM |
358 | |
359 | my $timediff = ($ctime - $last_time) || 1; # fixme | |
09eb196b TL |
360 | my $mbps_read = $get_mbps->($rbytes, $timediff); |
361 | my $mbps_write = $get_mbps->($wbytes, $timediff); | |
f1aca33d SR |
362 | my $target_h = render_bytes($target, 1); |
363 | my $transferred_h = render_bytes($transferred, 1); | |
4d159c24 | 364 | |
f8566714 | 365 | if (!$has_query_bitmap && $first_round && $target != $total) { # FIXME: remove with PVE 7.0 |
f1aca33d | 366 | my $total_h = render_bytes($total, 1); |
f8566714 TL |
367 | $self->loginfo("using fast incremental mode (dirty-bitmap), $target_h dirty of $total_h total"); |
368 | } | |
369 | ||
a40295b6 | 370 | my $statusline = sprintf("%3d%% ($transferred_h of $target_h) in %s" |
f1aca33d | 371 | .", read: $mbps_read, write: $mbps_write", $percent, render_duration($duration)); |
09eb196b | 372 | |
c5983223 DM |
373 | my $res = $status->{status} || 'unknown'; |
374 | if ($res ne 'active') { | |
1eb7e590 SR |
375 | if ($last_percent < 100) { |
376 | $self->loginfo($statusline); | |
377 | } | |
09eb196b TL |
378 | if ($res ne 'done') { |
379 | die (($status->{errmsg} || "unknown error") . "\n") if $res eq 'error'; | |
380 | die "got unexpected status '$res'\n"; | |
09eb196b | 381 | } |
6cdb568c TL |
382 | $last_target = $target if $target; |
383 | $last_total = $total if $total; | |
384 | $last_zero = $zero if $zero; | |
385 | $last_transferred = $transferred if $transferred; | |
c5983223 DM |
386 | last; |
387 | } | |
09eb196b | 388 | if ($percent != $last_percent && ($timediff > 2)) { |
c5983223 | 389 | $self->loginfo($statusline); |
09eb196b | 390 | $last_percent = $percent; |
4d159c24 | 391 | $last_target = $target if $target; |
c5983223 DM |
392 | $last_total = $total if $total; |
393 | $last_zero = $zero if $zero; | |
394 | $last_transferred = $transferred if $transferred; | |
395 | $last_time = $ctime; | |
8825248c | 396 | $last_reused = $reused; |
1eb7e590 SR |
397 | |
398 | if (!$last_finishing && $status->{finishing}) { | |
d5b0cfb1 | 399 | $self->loginfo("Waiting for server to finish backup validation..."); |
1eb7e590 SR |
400 | } |
401 | $last_finishing = $status->{finishing}; | |
c5983223 DM |
402 | } |
403 | sleep(1); | |
f8566714 | 404 | $first_round = 0 if $first_round; |
c5983223 DM |
405 | } |
406 | ||
407 | my $duration = time() - $starttime; | |
d35412a3 TL |
408 | |
409 | if ($last_zero) { | |
410 | my $zero_per = $last_target ? int(($last_zero * 100)/$last_target) : 0; | |
f1aca33d | 411 | my $zero_h = render_bytes($last_zero); |
d35412a3 TL |
412 | $self->loginfo("backup is sparse: $zero_h (${zero_per}%) total zero data"); |
413 | } | |
1ca43f1c | 414 | if ($reused) { |
f1aca33d | 415 | my $reused_h = render_bytes($reused); |
1ca43f1c SR |
416 | my $reuse_per = int($reused * 100 / $last_total); |
417 | $self->loginfo("backup was done incrementally, reused $reused_h (${reuse_per}%)"); | |
418 | } | |
bafae3ec | 419 | if ($transferred) { |
f1aca33d | 420 | my $transferred_h = render_bytes($transferred); |
bafae3ec TL |
421 | if ($duration) { |
422 | my $mbps = $get_mbps->($transferred, $duration); | |
423 | $self->loginfo("transferred $transferred_h in $duration seconds ($mbps)"); | |
424 | } else { | |
425 | $self->loginfo("transferred $transferred_h in <1 seconds"); | |
426 | } | |
4d159c24 TL |
427 | } |
428 | ||
b4be9c02 TL |
429 | return { |
430 | total => $last_total, | |
431 | reused => $reused, | |
432 | }; | |
c5983223 DM |
433 | }; |
434 | ||
435 | sub archive_pbs { | |
436 | my ($self, $task, $vmid) = @_; | |
437 | ||
1e3baf05 | 438 | my $conffile = "$task->{tmpdir}/qemu-server.conf"; |
c05f7f3f | 439 | my $firewall = "$task->{tmpdir}/qemu-server.fw"; |
1e3baf05 DM |
440 | |
441 | my $opts = $self->{vzdump}->{opts}; | |
c5983223 DM |
442 | my $scfg = $opts->{scfg}; |
443 | ||
444 | my $starttime = time(); | |
445 | ||
c5983223 | 446 | my $fingerprint = $scfg->{fingerprint}; |
fbec3f89 | 447 | my $repo = PVE::PBSClient::get_repository($scfg); |
c5983223 | 448 | my $password = PVE::Storage::PBSPlugin::pbs_get_password($scfg, $opts->{storage}); |
ece74030 | 449 | my $keyfile = PVE::Storage::PBSPlugin::pbs_encryption_key_file_name($scfg, $opts->{storage}); |
c5983223 | 450 | |
d11e91d2 | 451 | my $diskcount = scalar(@{$task->{disks}}); |
4ef13a7f FG |
452 | # proxmox-backup-client can only handle raw files and block devs |
453 | # only use it (directly) for disk-less VMs | |
454 | if (!$diskcount) { | |
c5983223 | 455 | my @pathlist; |
4ef13a7f | 456 | $self->loginfo("backup contains no disks"); |
c5983223 DM |
457 | |
458 | local $ENV{PBS_PASSWORD} = $password; | |
77b24c62 | 459 | local $ENV{PBS_FINGERPRINT} = $fingerprint if defined($fingerprint); |
c5983223 DM |
460 | my $cmd = [ |
461 | '/usr/bin/proxmox-backup-client', | |
462 | 'backup', | |
463 | '--repository', $repo, | |
464 | '--backup-type', 'vm', | |
465 | '--backup-id', "$vmid", | |
466 | '--backup-time', $task->{backup_time}, | |
d11e91d2 | 467 | ]; |
c5983223 DM |
468 | |
469 | push @$cmd, "qemu-server.conf:$conffile"; | |
470 | push @$cmd, "fw.conf:$firewall" if -e $firewall; | |
c5983223 DM |
471 | |
472 | $self->loginfo("starting template backup"); | |
473 | $self->loginfo(join(' ', @$cmd)); | |
474 | ||
475 | $self->cmd($cmd); | |
476 | ||
477 | return; | |
478 | } | |
479 | ||
81dcd479 TL |
480 | # get list early so we die on unkown drive types before doing anything |
481 | my $devlist = _get_task_devlist($task); | |
c5983223 | 482 | |
0b2f574b | 483 | $self->enforce_vm_running_for_backup($vmid); |
4ac842cb | 484 | $self->register_qmeventd_handle($vmid); |
c5983223 | 485 | |
f6168f1a | 486 | my $backup_job_uuid; |
c5983223 DM |
487 | eval { |
488 | $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = $SIG{PIPE} = sub { | |
d11e91d2 | 489 | die "interrupted by signal\n"; |
c5983223 DM |
490 | }; |
491 | ||
fb9f512c SR |
492 | my $qemu_support = eval { mon_cmd($vmid, "query-proxmox-support") }; |
493 | if (!$qemu_support) { | |
494 | die "PBS backups are not supported by the running QEMU version. Please make " | |
495 | . "sure you've installed the latest version and the VM has been restarted.\n"; | |
496 | } | |
497 | ||
cb521f2d | 498 | my $fs_frozen = $self->qga_fs_freeze($task, $vmid); |
c5983223 | 499 | |
d11e91d2 TL |
500 | my $params = { |
501 | format => "pbs", | |
502 | 'backup-file' => $repo, | |
503 | 'backup-id' => "$vmid", | |
504 | 'backup-time' => $task->{backup_time}, | |
505 | password => $password, | |
506 | devlist => $devlist, | |
507 | 'config-file' => $conffile, | |
c5983223 | 508 | }; |
2790636a | 509 | $params->{speed} = $opts->{bwlimit}*1024 if $opts->{bwlimit}; |
d11e91d2 TL |
510 | $params->{fingerprint} = $fingerprint if defined($fingerprint); |
511 | $params->{'firewall-file'} = $firewall if -e $firewall; | |
ece74030 WB |
512 | if (-e $keyfile) { |
513 | $self->loginfo("enabling encryption"); | |
514 | $params->{keyfile} = $keyfile; | |
515 | $params->{encrypt} = JSON::true; | |
516 | } else { | |
517 | $params->{encrypt} = JSON::false; | |
518 | } | |
c5983223 | 519 | |
4ef13a7f | 520 | my $is_template = PVE::QemuConfig->is_template($self->{vmlist}->{$vmid}); |
78179bda | 521 | $params->{'use-dirty-bitmap'} = JSON::true |
962d4d64 | 522 | if $qemu_support->{'pbs-dirty-bitmap'} && !$is_template; |
fb9f512c | 523 | |
46b676c0 | 524 | $params->{timeout} = 125; # give some time to connect to the backup server |
f57666e9 | 525 | |
d11e91d2 | 526 | my $res = eval { mon_cmd($vmid, "backup", %$params) }; |
c5983223 | 527 | my $qmperr = $@; |
d11e91d2 | 528 | $backup_job_uuid = $res->{UUID} if $res; |
c5983223 | 529 | |
1ece829a TL |
530 | if ($fs_frozen) { |
531 | $self->qga_fs_thaw($vmid); | |
c5983223 DM |
532 | } |
533 | ||
534 | die $qmperr if $qmperr; | |
f6168f1a | 535 | die "got no uuid for backup task\n" if !defined($backup_job_uuid); |
c5983223 | 536 | |
f6168f1a | 537 | $self->loginfo("started backup task '$backup_job_uuid'"); |
c5983223 | 538 | |
0b2f574b | 539 | $self->resume_vm_after_job_start($task, $vmid); |
c5983223 | 540 | |
3a44897f | 541 | my $stat = $query_backup_status_loop->($self, $vmid, $backup_job_uuid, $qemu_support); |
2098f2ff | 542 | $task->{size} = $stat->{total}; |
c5983223 DM |
543 | }; |
544 | my $err = $@; | |
c5983223 DM |
545 | if ($err) { |
546 | $self->logerr($err); | |
edae1718 | 547 | $self->mon_backup_cancel($vmid); |
c5983223 | 548 | } |
0b2f574b | 549 | $self->restore_vm_power_state($vmid); |
c5983223 DM |
550 | |
551 | die $err if $err; | |
552 | } | |
553 | ||
02da0c65 TL |
554 | my $fork_compressor_pipe = sub { |
555 | my ($self, $comp, $outfileno) = @_; | |
556 | ||
557 | my @pipefd = POSIX::pipe(); | |
558 | my $cpid = fork(); | |
559 | die "unable to fork worker - $!" if !defined($cpid) || $cpid < 0; | |
560 | if ($cpid == 0) { | |
561 | eval { | |
562 | POSIX::close($pipefd[1]); | |
563 | # redirect STDIN | |
564 | my $fd = fileno(STDIN); | |
565 | close STDIN; | |
566 | POSIX::close(0) if $fd != 0; | |
567 | die "unable to redirect STDIN - $!" | |
568 | if !open(STDIN, "<&", $pipefd[0]); | |
569 | ||
570 | # redirect STDOUT | |
571 | $fd = fileno(STDOUT); | |
572 | close STDOUT; | |
573 | POSIX::close (1) if $fd != 1; | |
574 | ||
575 | die "unable to redirect STDOUT - $!" | |
576 | if !open(STDOUT, ">&", $outfileno); | |
577 | ||
578 | exec($comp); | |
579 | die "fork compressor '$comp' failed\n"; | |
580 | }; | |
581 | if (my $err = $@) { | |
582 | $self->logerr($err); | |
583 | POSIX::_exit(1); | |
584 | } | |
585 | POSIX::_exit(0); | |
586 | kill(-9, $$); | |
587 | } else { | |
588 | POSIX::close($pipefd[0]); | |
589 | $outfileno = $pipefd[1]; | |
590 | } | |
591 | ||
592 | return ($cpid, $outfileno); | |
593 | }; | |
594 | ||
c5983223 DM |
595 | sub archive_vma { |
596 | my ($self, $task, $vmid, $filename, $comp) = @_; | |
597 | ||
598 | my $conffile = "$task->{tmpdir}/qemu-server.conf"; | |
599 | my $firewall = "$task->{tmpdir}/qemu-server.fw"; | |
600 | ||
601 | my $opts = $self->{vzdump}->{opts}; | |
602 | ||
603 | my $starttime = time(); | |
1e3baf05 | 604 | |
91bd6c90 DM |
605 | my $speed = 0; |
606 | if ($opts->{bwlimit}) { | |
874a096e | 607 | $speed = $opts->{bwlimit}*1024; |
91bd6c90 | 608 | } |
1e3baf05 | 609 | |
c82935e9 | 610 | my $diskcount = scalar(@{$task->{disks}}); |
ffda963f | 611 | if (PVE::QemuConfig->is_template($self->{vmlist}->{$vmid}) || !$diskcount) { |
23b4120b DM |
612 | my @pathlist; |
613 | foreach my $di (@{$task->{disks}}) { | |
614 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
615 | push @pathlist, "$di->{qmdevice}=$di->{path}"; | |
616 | } else { | |
617 | die "implement me"; | |
618 | } | |
619 | } | |
620 | ||
c82935e9 DM |
621 | if (!$diskcount) { |
622 | $self->loginfo("backup contains no disks"); | |
623 | } | |
624 | ||
23b4120b DM |
625 | my $outcmd; |
626 | if ($comp) { | |
874a096e | 627 | $outcmd = "exec:$comp"; |
23b4120b | 628 | } else { |
874a096e | 629 | $outcmd = "exec:cat"; |
23b4120b DM |
630 | } |
631 | ||
a2fab11a | 632 | $outcmd .= " > $filename" if !$opts->{stdout}; |
23b4120b | 633 | |
c05f7f3f WL |
634 | my $cmd = ['/usr/bin/vma', 'create', '-v', '-c', $conffile]; |
635 | push @$cmd, '-c', $firewall if -e $firewall; | |
636 | push @$cmd, $outcmd, @pathlist; | |
23b4120b DM |
637 | |
638 | $self->loginfo("starting template backup"); | |
639 | $self->loginfo(join(' ', @$cmd)); | |
640 | ||
641 | if ($opts->{stdout}) { | |
6bb12239 | 642 | $self->cmd($cmd, output => ">&" . fileno($opts->{stdout})); |
23b4120b DM |
643 | } else { |
644 | $self->cmd($cmd); | |
645 | } | |
646 | ||
647 | return; | |
648 | } | |
649 | ||
81dcd479 | 650 | my $devlist = _get_task_devlist($task); |
1e3baf05 | 651 | |
0b2f574b | 652 | $self->enforce_vm_running_for_backup($vmid); |
4ac842cb | 653 | $self->register_qmeventd_handle($vmid); |
91bd6c90 DM |
654 | |
655 | my $cpid; | |
d2cc2cbe DM |
656 | my $backup_job_uuid; |
657 | ||
91bd6c90 DM |
658 | eval { |
659 | $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = $SIG{HUP} = $SIG{PIPE} = sub { | |
d11e91d2 | 660 | die "interrupted by signal\n"; |
91bd6c90 DM |
661 | }; |
662 | ||
91bd6c90 DM |
663 | my $outfh; |
664 | if ($opts->{stdout}) { | |
665 | $outfh = $opts->{stdout}; | |
666 | } else { | |
667 | $outfh = IO::File->new($filename, "w") || | |
668 | die "unable to open file '$filename' - $!\n"; | |
669 | } | |
02da0c65 | 670 | my $outfileno = fileno($outfh); |
91bd6c90 | 671 | |
91bd6c90 | 672 | if ($comp) { |
02da0c65 | 673 | ($cpid, $outfileno) = $fork_compressor_pipe->($self, $comp, $outfileno); |
91bd6c90 DM |
674 | } |
675 | ||
e8705fc5 TL |
676 | my $qmpclient = PVE::QMPClient->new(); |
677 | my $backup_cb = sub { | |
678 | my ($vmid, $resp) = @_; | |
679 | $backup_job_uuid = $resp->{return}->{UUID}; | |
680 | }; | |
681 | my $add_fd_cb = sub { | |
91bd6c90 DM |
682 | my ($vmid, $resp) = @_; |
683 | ||
c05f7f3f WL |
684 | my $params = { |
685 | 'backup-file' => "/dev/fdname/backup", | |
686 | speed => $speed, | |
687 | 'config-file' => $conffile, | |
688 | devlist => $devlist | |
689 | }; | |
c05f7f3f | 690 | $params->{'firewall-file'} = $firewall if -e $firewall; |
d11e91d2 | 691 | |
c05f7f3f | 692 | $qmpclient->queue_cmd($vmid, $backup_cb, 'backup', %$params); |
91bd6c90 DM |
693 | }; |
694 | ||
d11e91d2 | 695 | $qmpclient->queue_cmd($vmid, $add_fd_cb, 'getfd', fd => $outfileno, fdname => "backup"); |
ab6a9a0c | 696 | |
cb521f2d | 697 | my $fs_frozen = $self->qga_fs_freeze($task, $vmid); |
874a096e | 698 | |
c5983223 | 699 | eval { $qmpclient->queue_execute(30) }; |
f0f30448 | 700 | my $qmperr = $@; |
91bd6c90 | 701 | |
1ece829a TL |
702 | if ($fs_frozen) { |
703 | $self->qga_fs_thaw($vmid); | |
ab6a9a0c | 704 | } |
d11e91d2 | 705 | |
f0f30448 | 706 | die $qmperr if $qmperr; |
874a096e | 707 | die $qmpclient->{errors}->{$vmid} if $qmpclient->{errors}->{$vmid}; |
91bd6c90 DM |
708 | |
709 | if ($cpid) { | |
874a096e | 710 | POSIX::close($outfileno) == 0 || |
91bd6c90 DM |
711 | die "close output file handle failed\n"; |
712 | } | |
713 | ||
d2cc2cbe | 714 | die "got no uuid for backup task\n" if !defined($backup_job_uuid); |
91bd6c90 | 715 | |
d2cc2cbe | 716 | $self->loginfo("started backup task '$backup_job_uuid'"); |
91bd6c90 | 717 | |
0b2f574b | 718 | $self->resume_vm_after_job_start($task, $vmid); |
91bd6c90 | 719 | |
d2cc2cbe | 720 | $query_backup_status_loop->($self, $vmid, $backup_job_uuid); |
91bd6c90 DM |
721 | }; |
722 | my $err = $@; | |
19599cd9 | 723 | if ($err) { |
60635a57 | 724 | $self->logerr($err); |
edae1718 | 725 | $self->mon_backup_cancel($vmid); |
19599cd9 DM |
726 | } |
727 | ||
0b2f574b | 728 | $self->restore_vm_power_state($vmid); |
91bd6c90 DM |
729 | |
730 | if ($err) { | |
874a096e DM |
731 | if ($cpid) { |
732 | kill(9, $cpid); | |
91bd6c90 DM |
733 | waitpid($cpid, 0); |
734 | } | |
735 | die $err; | |
736 | } | |
737 | ||
738 | if ($cpid && (waitpid($cpid, 0) > 0)) { | |
739 | my $stat = $?; | |
740 | my $ec = $stat >> 8; | |
741 | my $signal = $stat & 127; | |
742 | if ($ec || $signal) { | |
874a096e | 743 | die "$comp failed - wrong exit status $ec" . |
91bd6c90 DM |
744 | ($signal ? " (signal $signal)\n" : "\n"); |
745 | } | |
746 | } | |
747 | } | |
748 | ||
81dcd479 TL |
749 | sub _get_task_devlist { |
750 | my ($task) = @_; | |
751 | ||
752 | my $devlist = ''; | |
753 | foreach my $di (@{$task->{disks}}) { | |
754 | if ($di->{type} eq 'block' || $di->{type} eq 'file') { | |
755 | $devlist .= ',' if $devlist; | |
756 | $devlist .= $di->{qmdevice}; | |
757 | } else { | |
758 | die "implement me (type '$di->{type}')"; | |
759 | } | |
760 | } | |
761 | return $devlist; | |
762 | } | |
763 | ||
1ece829a | 764 | sub qga_fs_freeze { |
cb521f2d | 765 | my ($self, $task, $vmid) = @_; |
b08c37c3 | 766 | return if !$self->{vmlist}->{$vmid}->{agent} || $task->{mode} eq 'stop' || !$self->{vm_was_running} || $self->{vm_was_paused}; |
1ece829a TL |
767 | |
768 | if (!PVE::QemuServer::qga_check_running($vmid, 1)) { | |
769 | $self->loginfo("skipping guest-agent 'fs-freeze', agent configured but not running?"); | |
770 | return; | |
771 | } | |
772 | ||
773 | $self->loginfo("issuing guest-agent 'fs-freeze' command"); | |
774 | eval { mon_cmd($vmid, "guest-fsfreeze-freeze") }; | |
775 | $self->logerr($@) if $@; | |
776 | ||
777 | return 1; # even on mon command error, ensure we always thaw again | |
778 | } | |
779 | ||
780 | # only call if fs_freeze return 1 | |
781 | sub qga_fs_thaw { | |
782 | my ($self, $vmid) = @_; | |
783 | ||
784 | $self->loginfo("issuing guest-agent 'fs-thaw' command"); | |
785 | eval { mon_cmd($vmid, "guest-fsfreeze-thaw") }; | |
786 | $self->logerr($@) if $@; | |
787 | } | |
788 | ||
0b2f574b TL |
789 | # we need a running QEMU/KVM process for backup, starts a paused (prelaunch) |
790 | # one if VM isn't already running | |
791 | sub enforce_vm_running_for_backup { | |
792 | my ($self, $vmid) = @_; | |
793 | ||
794 | if (PVE::QemuServer::check_running($vmid)) { | |
795 | $self->{vm_was_running} = 1; | |
796 | return; | |
797 | } | |
798 | ||
799 | eval { | |
800 | $self->loginfo("starting kvm to execute backup task"); | |
801 | # start with skiplock | |
0c498cca FG |
802 | my $params = { |
803 | skiplock => 1, | |
4ef13a7f | 804 | skiptemplate => 1, |
0c498cca FG |
805 | paused => 1, |
806 | }; | |
807 | PVE::QemuServer::vm_start($self->{storecfg}, $vmid, $params); | |
0b2f574b TL |
808 | }; |
809 | die $@ if $@; | |
810 | } | |
811 | ||
4ac842cb SR |
812 | sub register_qmeventd_handle { |
813 | my ($self, $vmid) = @_; | |
814 | ||
815 | my $fh; | |
816 | my $peer = "/var/run/qmeventd.sock"; | |
817 | my $count = 0; | |
818 | ||
819 | for (;;) { | |
820 | $count++; | |
821 | $fh = IO::Socket::UNIX->new(Peer => $peer, Blocking => 0, Timeout => 1); | |
822 | last if $fh; | |
823 | if ($! != EINTR && $! != EAGAIN) { | |
824 | $self->log("warn", "unable to connect to qmeventd socket (vmid: $vmid) - $!\n"); | |
825 | return; | |
826 | } | |
827 | if ($count > 4) { | |
828 | $self->log("warn", "unable to connect to qmeventd socket (vmid: $vmid)" | |
829 | . " - timeout after $count retries\n"); | |
830 | return; | |
831 | } | |
832 | usleep(25000); | |
833 | } | |
834 | ||
835 | # send handshake to mark VM as backing up | |
836 | print $fh to_json({vzdump => {vmid => "$vmid"}}); | |
837 | $self->{qmeventd_fh} = $fh; | |
838 | } | |
839 | ||
0b2f574b TL |
840 | # resume VM againe once we got in a clear state (stop mode backup of running VM) |
841 | sub resume_vm_after_job_start { | |
842 | my ($self, $task, $vmid) = @_; | |
843 | ||
b08c37c3 | 844 | return if !$self->{vm_was_running} || $self->{vm_was_paused}; |
0b2f574b TL |
845 | |
846 | if (my $stoptime = $task->{vmstoptime}) { | |
847 | my $delay = time() - $task->{vmstoptime}; | |
848 | $task->{vmstoptime} = undef; # avoid printing 'online after ..' twice | |
849 | $self->loginfo("resuming VM again after $delay seconds"); | |
850 | } else { | |
851 | $self->loginfo("resuming VM again"); | |
852 | } | |
853 | mon_cmd($vmid, 'cont'); | |
854 | } | |
855 | ||
856 | # stop again if VM was not running before | |
857 | sub restore_vm_power_state { | |
858 | my ($self, $vmid) = @_; | |
859 | ||
860 | # we always let VMs keep running | |
861 | return if $self->{vm_was_running}; | |
862 | ||
863 | eval { | |
864 | my $resp = mon_cmd($vmid, 'query-status'); | |
865 | my $status = $resp && $resp->{status} ? $resp->{status} : 'unknown'; | |
866 | if ($status eq 'prelaunch') { | |
867 | $self->loginfo("stopping kvm after backup task"); | |
868 | PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, 1); | |
869 | } else { | |
870 | $self->loginfo("kvm status changed after backup ('$status') - keep VM running"); | |
871 | } | |
872 | }; | |
873 | warn $@ if $@; | |
874 | } | |
875 | ||
876 | sub mon_backup_cancel { | |
877 | my ($self, $vmid) = @_; | |
878 | ||
879 | $self->loginfo("aborting backup job"); | |
880 | eval { mon_cmd($vmid, 'backup-cancel') }; | |
881 | $self->logerr($@) if $@; | |
882 | } | |
883 | ||
91bd6c90 DM |
884 | sub snapshot { |
885 | my ($self, $task, $vmid) = @_; | |
886 | ||
887 | # nothing to do | |
1e3baf05 DM |
888 | } |
889 | ||
890 | sub cleanup { | |
891 | my ($self, $task, $vmid) = @_; | |
892 | ||
4ac842cb SR |
893 | if ($self->{qmeventd_fh}) { |
894 | close($self->{qmeventd_fh}); | |
895 | } | |
1e3baf05 DM |
896 | } |
897 | ||
898 | 1; |