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Commit | Line | Data |
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fe000966 DM |
1 | package PVE::Cluster; |
2 | ||
3 | use strict; | |
7181f622 | 4 | use warnings; |
57d8355e | 5 | |
57d8355e | 6 | use Encode; |
fe000966 | 7 | use File::stat qw(); |
462c16b7 | 8 | use File::Path qw(make_path); |
57d8355e | 9 | use JSON; |
26784563 | 10 | use Net::SSLeay; |
c5204e14 | 11 | use POSIX qw(ENOENT); |
57d8355e TL |
12 | use Socket; |
13 | use Storable qw(dclone); | |
57d8355e | 14 | |
c92b7716 | 15 | use PVE::Certificate; |
fe000966 DM |
16 | use PVE::INotify; |
17 | use PVE::IPCC; | |
d0ad18e8 | 18 | use PVE::JSONSchema; |
54d487bf | 19 | use PVE::Network; |
57d8355e TL |
20 | use PVE::SafeSyslog; |
21 | use PVE::Tools qw(run_command); | |
22 | ||
95c44445 | 23 | use PVE::Cluster::IPCConst; |
57d8355e | 24 | |
fe000966 DM |
25 | use base 'Exporter'; |
26 | ||
27 | our @EXPORT_OK = qw( | |
28 | cfs_read_file | |
29 | cfs_write_file | |
30 | cfs_register_file | |
31 | cfs_lock_file); | |
32 | ||
fe000966 DM |
33 | # x509 certificate utils |
34 | ||
35 | my $basedir = "/etc/pve"; | |
36 | my $authdir = "$basedir/priv"; | |
37 | my $lockdir = "/etc/pve/priv/lock"; | |
38 | ||
68491de3 | 39 | # cfs and corosync files |
e02bdaae TL |
40 | my $dbfile = "/var/lib/pve-cluster/config.db"; |
41 | my $dbbackupdir = "/var/lib/pve-cluster/backup"; | |
fe000966 | 42 | |
34180e03 TL |
43 | # this is just a readonly copy, the relevant one is in status.c from pmxcfs |
44 | # observed files are the one we can get directly through IPCC, they are cached | |
45 | # using a computed version and only those can be used by the cfs_*_file methods | |
fe000966 | 46 | my $observed = { |
e1735a61 | 47 | 'vzdump.cron' => 1, |
581e22f4 | 48 | 'vzdump.conf' => 1, |
1fdf150e | 49 | 'jobs.cfg' => 1, |
fe000966 DM |
50 | 'storage.cfg' => 1, |
51 | 'datacenter.cfg' => 1, | |
f6de131a | 52 | 'replication.cfg' => 1, |
cafc7309 DM |
53 | 'corosync.conf' => 1, |
54 | 'corosync.conf.new' => 1, | |
cabbc27e | 55 | 'firewall/cluster.fw' => 1, |
fe000966 DM |
56 | 'user.cfg' => 1, |
57 | 'domains.cfg' => 1, | |
41ceede7 LW |
58 | 'notifications.cfg' => 1, |
59 | 'priv/notifications.cfg' => 1, | |
fe000966 | 60 | 'priv/shadow.cfg' => 1, |
454c3a2c | 61 | 'priv/tfa.cfg' => 1, |
7dac5e0e | 62 | 'priv/token.cfg' => 1, |
8b84a18a | 63 | 'priv/acme/plugins.cfg' => 1, |
fc28c2f8 | 64 | 'priv/ipam.db' => 1, |
2b2ecfe8 | 65 | 'priv/macs.db' => 1, |
fe000966 | 66 | '/qemu-server/' => 1, |
f71eee41 | 67 | '/openvz/' => 1, |
7f66b436 | 68 | '/lxc/' => 1, |
5a5417e6 DM |
69 | 'ha/crm_commands' => 1, |
70 | 'ha/manager_status' => 1, | |
71 | 'ha/resources.cfg' => 1, | |
72 | 'ha/groups.cfg' => 1, | |
e9af3eb7 | 73 | 'ha/fence.cfg' => 1, |
9d4f69ff | 74 | 'status.cfg' => 1, |
22e2ed76 | 75 | 'ceph.conf' => 1, |
1bb7107a | 76 | 'sdn/vnets.cfg' => 1, |
1bb7107a | 77 | 'sdn/zones.cfg' => 1, |
1bb7107a | 78 | 'sdn/controllers.cfg' => 1, |
c20823f8 | 79 | 'sdn/subnets.cfg' => 1, |
be1aa34b | 80 | 'sdn/ipams.cfg' => 1, |
9d3ea5ef | 81 | 'sdn/dns.cfg' => 1, |
a3d44df8 | 82 | 'sdn/.running-config' => 1, |
9bb0fbe9 | 83 | 'virtual-guest/cpu-models.conf' => 1, |
8ff6dd57 | 84 | 'virtual-guest/profiles.cfg' => 1, |
815e6ac1 DC |
85 | 'mapping/pci.cfg' => 1, |
86 | 'mapping/usb.cfg' => 1, | |
fe000966 DM |
87 | }; |
88 | ||
462c16b7 TL |
89 | sub prepare_observed_file_basedirs { |
90 | ||
393742f6 | 91 | if (!check_cfs_is_mounted(1)) { |
462c16b7 TL |
92 | warn "pmxcfs isn't mounted (/etc/pve), chickening out..\n"; |
93 | return; | |
94 | } | |
95 | ||
96 | for my $f (sort keys %$observed) { | |
97 | next if $f !~ m!^(.*)/[^/]+$!; | |
98 | my $dir = "$basedir/$1"; | |
99 | next if -e $dir; # can also be a link, so just use -e xist check | |
98cfaf44 | 100 | print "creating directory '$dir' for observed files\n"; |
462c16b7 TL |
101 | make_path($dir); |
102 | } | |
103 | } | |
104 | ||
c5204e14 FG |
105 | sub base_dir { |
106 | return $basedir; | |
107 | } | |
fe000966 | 108 | |
c5204e14 FG |
109 | sub auth_dir { |
110 | return $authdir; | |
fe000966 DM |
111 | } |
112 | ||
113 | sub check_cfs_quorum { | |
01dddfb9 DM |
114 | my ($noerr) = @_; |
115 | ||
fe000966 DM |
116 | # note: -w filename always return 1 for root, so wee need |
117 | # to use File::lstat here | |
118 | my $st = File::stat::lstat("$basedir/local"); | |
01dddfb9 DM |
119 | my $quorate = ($st && (($st->mode & 0200) != 0)); |
120 | ||
121 | die "cluster not ready - no quorum?\n" if !$quorate && !$noerr; | |
122 | ||
123 | return $quorate; | |
fe000966 DM |
124 | } |
125 | ||
126 | sub check_cfs_is_mounted { | |
127 | my ($noerr) = @_; | |
128 | ||
129 | my $res = -l "$basedir/local"; | |
130 | ||
4f26cc86 | 131 | die "pve configuration filesystem (pmxcfs) not mounted\n" if !$res && !$noerr; |
fe000966 DM |
132 | |
133 | return $res; | |
134 | } | |
135 | ||
fe000966 DM |
136 | my $versions = {}; |
137 | my $vmlist = {}; | |
138 | my $clinfo = {}; | |
139 | ||
140 | my $ipcc_send_rec = sub { | |
141 | my ($msgid, $data) = @_; | |
142 | ||
143 | my $res = PVE::IPCC::ipcc_send_rec($msgid, $data); | |
144 | ||
dd856b4d | 145 | die "ipcc_send_rec[$msgid] failed: $!\n" if !defined($res) && ($! != 0); |
fe000966 DM |
146 | |
147 | return $res; | |
148 | }; | |
149 | ||
150 | my $ipcc_send_rec_json = sub { | |
151 | my ($msgid, $data) = @_; | |
152 | ||
153 | my $res = PVE::IPCC::ipcc_send_rec($msgid, $data); | |
154 | ||
dd856b4d | 155 | die "ipcc_send_rec[$msgid] failed: $!\n" if !defined($res) && ($! != 0); |
fe000966 DM |
156 | |
157 | return decode_json($res); | |
158 | }; | |
159 | ||
160 | my $ipcc_get_config = sub { | |
161 | my ($path) = @_; | |
162 | ||
163 | my $bindata = pack "Z*", $path; | |
95c44445 | 164 | my $res = PVE::IPCC::ipcc_send_rec(CFS_IPC_GET_CONFIG, $bindata); |
2db32d95 | 165 | if (!defined($res)) { |
7bac9ca5 WB |
166 | if ($! != 0) { |
167 | return undef if $! == ENOENT; | |
168 | die "$!\n"; | |
169 | } | |
2db32d95 DM |
170 | return ''; |
171 | } | |
172 | ||
173 | return $res; | |
fe000966 DM |
174 | }; |
175 | ||
176 | my $ipcc_get_status = sub { | |
177 | my ($name, $nodename) = @_; | |
178 | ||
179 | my $bindata = pack "Z[256]Z[256]", $name, ($nodename || ""); | |
95c44445 | 180 | return PVE::IPCC::ipcc_send_rec(CFS_IPC_GET_STATUS, $bindata); |
fe000966 DM |
181 | }; |
182 | ||
71cc17bc DC |
183 | my $ipcc_remove_status = sub { |
184 | my ($name) = @_; | |
0adf0c5a TL |
185 | # we just omit the data payload, pmxcfs takes this as hint and removes this |
186 | # key from the status hashtable | |
71cc17bc DC |
187 | my $bindata = pack "Z[256]", $name; |
188 | return &$ipcc_send_rec(CFS_IPC_SET_STATUS, $bindata); | |
189 | }; | |
190 | ||
fe000966 DM |
191 | my $ipcc_update_status = sub { |
192 | my ($name, $data) = @_; | |
193 | ||
194 | my $raw = ref($data) ? encode_json($data) : $data; | |
195 | # update status | |
196 | my $bindata = pack "Z[256]Z*", $name, $raw; | |
197 | ||
95c44445 | 198 | return &$ipcc_send_rec(CFS_IPC_SET_STATUS, $bindata); |
fe000966 DM |
199 | }; |
200 | ||
201 | my $ipcc_log = sub { | |
202 | my ($priority, $ident, $tag, $msg) = @_; | |
203 | ||
204 | my $bindata = pack "CCCZ*Z*Z*", $priority, bytes::length($ident) + 1, | |
205 | bytes::length($tag) + 1, $ident, $tag, $msg; | |
206 | ||
95c44445 | 207 | return &$ipcc_send_rec(CFS_IPC_LOG_CLUSTER_MSG, $bindata); |
fe000966 DM |
208 | }; |
209 | ||
210 | my $ipcc_get_cluster_log = sub { | |
211 | my ($user, $max) = @_; | |
212 | ||
213 | $max = 0 if !defined($max); | |
214 | ||
215 | my $bindata = pack "VVVVZ*", $max, 0, 0, 0, ($user || ""); | |
95c44445 | 216 | return &$ipcc_send_rec(CFS_IPC_GET_CLUSTER_LOG, $bindata); |
fe000966 DM |
217 | }; |
218 | ||
7dac5e0e FG |
219 | my $ipcc_verify_token = sub { |
220 | my ($full_token) = @_; | |
221 | ||
222 | my $bindata = pack "Z*", $full_token; | |
223 | my $res = PVE::IPCC::ipcc_send_rec(CFS_IPC_VERIFY_TOKEN, $bindata); | |
224 | ||
225 | return 1 if $! == 0; | |
226 | return 0 if $! == ENOENT; | |
227 | ||
228 | die "$!\n"; | |
229 | }; | |
230 | ||
fe000966 DM |
231 | my $ccache = {}; |
232 | ||
233 | sub cfs_update { | |
686801e4 | 234 | my ($fail) = @_; |
fe000966 | 235 | eval { |
95c44445 | 236 | my $res = &$ipcc_send_rec_json(CFS_IPC_GET_FS_VERSION); |
fe000966 DM |
237 | die "no starttime\n" if !$res->{starttime}; |
238 | ||
239 | if (!$res->{starttime} || !$versions->{starttime} || | |
240 | $res->{starttime} != $versions->{starttime}) { | |
241 | #print "detected changed starttime\n"; | |
242 | $vmlist = {}; | |
243 | $clinfo = {}; | |
244 | $ccache = {}; | |
245 | } | |
246 | ||
247 | $versions = $res; | |
248 | }; | |
249 | my $err = $@; | |
250 | if ($err) { | |
251 | $versions = {}; | |
252 | $vmlist = {}; | |
253 | $clinfo = {}; | |
254 | $ccache = {}; | |
686801e4 | 255 | die $err if $fail; |
fe000966 DM |
256 | warn $err; |
257 | } | |
258 | ||
259 | eval { | |
260 | if (!$clinfo->{version} || $clinfo->{version} != $versions->{clinfo}) { | |
261 | #warn "detected new clinfo\n"; | |
95c44445 | 262 | $clinfo = &$ipcc_send_rec_json(CFS_IPC_GET_CLUSTER_INFO); |
fe000966 DM |
263 | } |
264 | }; | |
265 | $err = $@; | |
266 | if ($err) { | |
267 | $clinfo = {}; | |
686801e4 | 268 | die $err if $fail; |
fe000966 DM |
269 | warn $err; |
270 | } | |
271 | ||
272 | eval { | |
273 | if (!$vmlist->{version} || $vmlist->{version} != $versions->{vmlist}) { | |
274 | #warn "detected new vmlist1\n"; | |
95c44445 | 275 | $vmlist = &$ipcc_send_rec_json(CFS_IPC_GET_GUEST_LIST); |
fe000966 DM |
276 | } |
277 | }; | |
278 | $err = $@; | |
279 | if ($err) { | |
280 | $vmlist = {}; | |
686801e4 | 281 | die $err if $fail; |
fe000966 DM |
282 | warn $err; |
283 | } | |
284 | } | |
285 | ||
286 | sub get_vmlist { | |
287 | return $vmlist; | |
288 | } | |
289 | ||
290 | sub get_clinfo { | |
291 | return $clinfo; | |
292 | } | |
293 | ||
9ddd4ae9 DM |
294 | sub get_members { |
295 | return $clinfo->{nodelist}; | |
296 | } | |
297 | ||
fe000966 | 298 | sub get_nodelist { |
fe000966 DM |
299 | my $nodelist = $clinfo->{nodelist}; |
300 | ||
fe000966 DM |
301 | my $nodename = PVE::INotify::nodename(); |
302 | ||
303 | if (!$nodelist || !$nodelist->{$nodename}) { | |
304 | return [ $nodename ]; | |
305 | } | |
306 | ||
307 | return [ keys %$nodelist ]; | |
308 | } | |
309 | ||
0adf0c5a TL |
310 | # only stored in a in-memory hashtable inside pmxcfs, local data is gone after |
311 | # a restart (of pmxcfs or the node), peer data is still available then | |
312 | # best used for status data, like running (ceph) services, package versions, ... | |
a26b18e1 DC |
313 | sub broadcast_node_kv { |
314 | my ($key, $data) = @_; | |
315 | ||
316 | if (!defined($data)) { | |
4d04cad0 | 317 | eval { $ipcc_remove_status->("kv/$key") }; |
a26b18e1 DC |
318 | } else { |
319 | die "cannot send a reference\n" if ref($data); | |
320 | my $size = length($data); | |
0adf0c5a | 321 | die "data for '$key' too big\n" if $size >= (32 * 1024); # limit from pmxfs |
a26b18e1 | 322 | |
4d04cad0 | 323 | eval { $ipcc_update_status->("kv/$key", $data) }; |
a26b18e1 | 324 | } |
a26b18e1 DC |
325 | warn $@ if $@; |
326 | } | |
327 | ||
0adf0c5a | 328 | # nodename is optional |
a26b18e1 DC |
329 | sub get_node_kv { |
330 | my ($key, $nodename) = @_; | |
331 | ||
332 | my $res = {}; | |
333 | my $get_node_data = sub { | |
334 | my ($node) = @_; | |
335 | my $raw = $ipcc_get_status->("kv/$key", $node); | |
14000cd7 | 336 | $res->{$node} = unpack("Z*", $raw) if $raw; |
a26b18e1 DC |
337 | }; |
338 | ||
339 | if ($nodename) { | |
340 | $get_node_data->($nodename); | |
341 | } else { | |
4d04cad0 | 342 | for my $node (get_nodelist()->@*) { |
a26b18e1 DC |
343 | $get_node_data->($node); |
344 | } | |
345 | } | |
346 | ||
347 | return $res; | |
348 | } | |
349 | ||
3e9a2ecb DC |
350 | # properties: an array-ref of config properties you want to get, e.g., this |
351 | # is perfect to get multiple properties of a guest _fast_ | |
352 | # (>100 faster than manual parsing here) | |
353 | # vmid: optional, if a valid is passed we only check that one, else return all | |
354 | # NOTE: does *not* searches snapshot and PENDING entries sections! | |
355 | # NOTE: returns the guest config lines (excluding trailing whitespace) as is, | |
356 | # so for non-trivial properties, checking the validity must be done | |
357 | # NOTE: no permission check is done, that is the responsibilty of the caller | |
358 | sub get_guest_config_properties { | |
359 | my ($properties, $vmid) = @_; | |
360 | ||
361 | die "properties required" if !defined($properties); | |
362 | ||
363 | my $num_props = scalar(@$properties); | |
364 | die "only up to 255 properties supported" if $num_props > 255; | |
365 | my $bindata = pack "VC", $vmid // 0, $num_props; | |
366 | for my $property (@$properties) { | |
367 | $bindata .= pack "Z*", $property; | |
368 | } | |
369 | my $res = $ipcc_send_rec_json->(CFS_IPC_GET_GUEST_CONFIG_PROPERTIES, $bindata); | |
370 | ||
371 | return $res; | |
372 | } | |
373 | ||
cf1b19d9 TL |
374 | # property: a config property you want to get, e.g., this is perfect to get |
375 | # the 'lock' entry of a guest _fast_ (>100 faster than manual parsing here) | |
8a93eeae | 376 | # vmid: optional, if a valid is passed we only check that one, else return all |
cf1b19d9 | 377 | # NOTE: does *not* searches snapshot and PENDING entries sections! |
3e9a2ecb DC |
378 | # NOTE: returns the guest config lines (excluding trailing whitespace) as is, |
379 | # so for non-trivial properties, checking the validity must be done | |
380 | # NOTE: no permission check is done, that is the responsibilty of the caller | |
cf1b19d9 TL |
381 | sub get_guest_config_property { |
382 | my ($property, $vmid) = @_; | |
383 | ||
384 | die "property is required" if !defined($property); | |
385 | ||
386 | my $bindata = pack "VZ*", $vmid // 0, $property; | |
387 | my $res = $ipcc_send_rec_json->(CFS_IPC_GET_GUEST_CONFIG_PROPERTY, $bindata); | |
388 | ||
389 | return $res; | |
390 | } | |
391 | ||
1b36b6b1 | 392 | # $data must be a chronological descending ordered array of tasks |
fe000966 DM |
393 | sub broadcast_tasklist { |
394 | my ($data) = @_; | |
395 | ||
4f26cc86 TL |
396 | # the serialized list may not get bigger than 128 KiB (CFS_MAX_STATUS_SIZE from pmxcfs) |
397 | # drop older items until we satisfy this constraint | |
1b36b6b1 | 398 | my $size = length(encode_json($data)); |
4f26cc86 | 399 | while ($size >= (32 * 1024)) { # TODO: update to 128 KiB in PVE 8.x |
1b36b6b1 TL |
400 | pop @$data; |
401 | $size = length(encode_json($data)); | |
402 | } | |
403 | ||
4f26cc86 | 404 | eval { $ipcc_update_status->("tasklist", $data) }; |
fe000966 DM |
405 | warn $@ if $@; |
406 | } | |
407 | ||
408 | my $tasklistcache = {}; | |
409 | ||
410 | sub get_tasklist { | |
411 | my ($nodename) = @_; | |
412 | ||
413 | my $kvstore = $versions->{kvstore} || {}; | |
414 | ||
415 | my $nodelist = get_nodelist(); | |
416 | ||
417 | my $res = []; | |
418 | foreach my $node (@$nodelist) { | |
419 | next if $nodename && ($nodename ne $node); | |
420 | eval { | |
deeedc09 | 421 | my $ver = exists $kvstore->{$node} ? $kvstore->{$node}->{tasklist} : undef; |
1f1c5c43 TL |
422 | my $cache = $tasklistcache->{$node}; |
423 | if (!$cache || !$ver || !$cache->{version} || ($cache->{version} != $ver)) { | |
424 | my $tasks = []; | |
425 | if (my $raw = $ipcc_get_status->("tasklist", $node)) { | |
aea0f5a6 TL |
426 | my $json_str = unpack("Z*", $raw); |
427 | $tasks = decode_json($json_str); | |
1f1c5c43 TL |
428 | } |
429 | push @$res, @$tasks; | |
430 | $tasklistcache->{$node} = { | |
431 | data => $tasks, | |
fe000966 DM |
432 | version => $ver, |
433 | }; | |
1f1c5c43 TL |
434 | } elsif ($cache && $cache->{data}) { |
435 | push @$res, $cache->{data}->@*; | |
fe000966 DM |
436 | } |
437 | }; | |
438 | my $err = $@; | |
439 | syslog('err', $err) if $err; | |
440 | } | |
441 | ||
442 | return $res; | |
443 | } | |
444 | ||
445 | sub broadcast_rrd { | |
446 | my ($rrdid, $data) = @_; | |
447 | ||
448 | eval { | |
449 | &$ipcc_update_status("rrd/$rrdid", $data); | |
450 | }; | |
451 | my $err = $@; | |
452 | ||
453 | warn $err if $err; | |
454 | } | |
455 | ||
456 | my $last_rrd_dump = 0; | |
457 | my $last_rrd_data = ""; | |
458 | ||
459 | sub rrd_dump { | |
460 | ||
461 | my $ctime = time(); | |
462 | ||
463 | my $diff = $ctime - $last_rrd_dump; | |
464 | if ($diff < 2) { | |
465 | return $last_rrd_data; | |
466 | } | |
467 | ||
468 | my $raw; | |
469 | eval { | |
95c44445 | 470 | $raw = &$ipcc_send_rec(CFS_IPC_GET_RRD_DUMP); |
fe000966 DM |
471 | }; |
472 | my $err = $@; | |
473 | ||
474 | if ($err) { | |
475 | warn $err; | |
476 | return {}; | |
477 | } | |
478 | ||
479 | my $res = {}; | |
480 | ||
c3fabca7 DM |
481 | if ($raw) { |
482 | while ($raw =~ s/^(.*)\n//) { | |
483 | my ($key, @ela) = split(/:/, $1); | |
484 | next if !$key; | |
485 | next if !(scalar(@ela) > 1); | |
d2aae33e | 486 | $res->{$key} = [ map { $_ eq 'U' ? undef : $_ } @ela ]; |
c3fabca7 | 487 | } |
fe000966 DM |
488 | } |
489 | ||
490 | $last_rrd_dump = $ctime; | |
491 | $last_rrd_data = $res; | |
492 | ||
493 | return $res; | |
494 | } | |
495 | ||
fe000966 DM |
496 | |
497 | # a fast way to read files (avoid fuse overhead) | |
498 | sub get_config { | |
499 | my ($path) = @_; | |
500 | ||
d3a92ba7 | 501 | return &$ipcc_get_config($path); |
fe000966 DM |
502 | } |
503 | ||
504 | sub get_cluster_log { | |
505 | my ($user, $max) = @_; | |
506 | ||
507 | return &$ipcc_get_cluster_log($user, $max); | |
508 | } | |
509 | ||
7dac5e0e FG |
510 | sub verify_token { |
511 | my ($userid, $token) = @_; | |
512 | ||
513 | return &$ipcc_verify_token("$userid $token"); | |
514 | } | |
515 | ||
fe000966 DM |
516 | my $file_info = {}; |
517 | ||
518 | sub cfs_register_file { | |
519 | my ($filename, $parser, $writer) = @_; | |
520 | ||
521 | $observed->{$filename} || die "unknown file '$filename'"; | |
522 | ||
523 | die "file '$filename' already registered" if $file_info->{$filename}; | |
524 | ||
525 | $file_info->{$filename} = { | |
526 | parser => $parser, | |
527 | writer => $writer, | |
528 | }; | |
529 | } | |
530 | ||
531 | my $ccache_read = sub { | |
532 | my ($filename, $parser, $version) = @_; | |
533 | ||
534 | $ccache->{$filename} = {} if !$ccache->{$filename}; | |
535 | ||
536 | my $ci = $ccache->{$filename}; | |
537 | ||
d3a92ba7 | 538 | if (!$ci->{version} || !$version || $ci->{version} != $version) { |
a79c7743 | 539 | # we always call the parser, even when the file does not exist |
d3a92ba7 | 540 | # (in that case $data is undef) |
fe000966 | 541 | my $data = get_config($filename); |
fe000966 DM |
542 | $ci->{data} = &$parser("/etc/pve/$filename", $data); |
543 | $ci->{version} = $version; | |
544 | } | |
545 | ||
546 | my $res = ref($ci->{data}) ? dclone($ci->{data}) : $ci->{data}; | |
547 | ||
548 | return $res; | |
549 | }; | |
550 | ||
551 | sub cfs_file_version { | |
552 | my ($filename) = @_; | |
553 | ||
554 | my $version; | |
555 | my $infotag; | |
6e73d5c2 | 556 | if ($filename =~ m!^nodes/[^/]+/(openvz|lxc|qemu-server)/(\d+)\.conf$!) { |
f71eee41 | 557 | my ($type, $vmid) = ($1, $2); |
fe000966 DM |
558 | if ($vmlist && $vmlist->{ids} && $vmlist->{ids}->{$vmid}) { |
559 | $version = $vmlist->{ids}->{$vmid}->{version}; | |
560 | } | |
f71eee41 | 561 | $infotag = "/$type/"; |
fe000966 DM |
562 | } else { |
563 | $infotag = $filename; | |
564 | $version = $versions->{$filename}; | |
565 | } | |
566 | ||
567 | my $info = $file_info->{$infotag} || | |
568 | die "unknown file type '$filename'\n"; | |
569 | ||
570 | return wantarray ? ($version, $info) : $version; | |
571 | } | |
572 | ||
573 | sub cfs_read_file { | |
574 | my ($filename) = @_; | |
575 | ||
c53b111f | 576 | my ($version, $info) = cfs_file_version($filename); |
fe000966 DM |
577 | my $parser = $info->{parser}; |
578 | ||
579 | return &$ccache_read($filename, $parser, $version); | |
580 | } | |
581 | ||
582 | sub cfs_write_file { | |
90c824ba | 583 | my ($filename, $data, $force_utf8) = @_; |
fe000966 | 584 | |
c53b111f | 585 | my ($version, $info) = cfs_file_version($filename); |
fe000966 DM |
586 | |
587 | my $writer = $info->{writer} || die "no writer defined"; | |
588 | ||
589 | my $fsname = "/etc/pve/$filename"; | |
590 | ||
591 | my $raw = &$writer($fsname, $data); | |
592 | ||
593 | if (my $ci = $ccache->{$filename}) { | |
594 | $ci->{version} = undef; | |
595 | } | |
596 | ||
90c824ba | 597 | PVE::Tools::file_set_contents($fsname, $raw, undef, 1); |
fe000966 DM |
598 | } |
599 | ||
600 | my $cfs_lock = sub { | |
601 | my ($lockid, $timeout, $code, @param) = @_; | |
602 | ||
00ea8428 TL |
603 | my $prev_alarm = alarm(0); # suspend outer alarm early |
604 | ||
fe000966 | 605 | my $res; |
bcdb1b3a | 606 | my $got_lock = 0; |
fe000966 | 607 | |
e8c6be91 | 608 | # this timeout is for acquire the lock |
fe000966 DM |
609 | $timeout = 10 if !$timeout; |
610 | ||
611 | my $filename = "$lockdir/$lockid"; | |
612 | ||
e085fe6f | 613 | my $is_code_err = 0; |
fe000966 DM |
614 | eval { |
615 | ||
616 | mkdir $lockdir; | |
617 | ||
618 | if (! -d $lockdir) { | |
6e13e20a | 619 | die "pve cluster filesystem not online.\n"; |
fe000966 DM |
620 | } |
621 | ||
6e13e20a | 622 | my $timeout_err = sub { die "got lock request timeout\n"; }; |
bcdb1b3a | 623 | local $SIG{ALRM} = $timeout_err; |
fe000966 | 624 | |
bcdb1b3a TL |
625 | while (1) { |
626 | alarm ($timeout); | |
627 | $got_lock = mkdir($filename); | |
3fb23b5b | 628 | $timeout = alarm(0) - 1; # we'll sleep for 1s, see down below |
bcdb1b3a TL |
629 | |
630 | last if $got_lock; | |
631 | ||
3fb23b5b | 632 | $timeout_err->() if $timeout <= 0; |
fe000966 | 633 | |
e8c6be91 | 634 | print STDERR "trying to acquire cfs lock '$lockid' ...\n"; |
bcdb1b3a TL |
635 | utime (0, 0, $filename); # cfs unlock request |
636 | sleep(1); | |
fe000966 DM |
637 | } |
638 | ||
639 | # fixed command timeout: cfs locks have a timeout of 120 | |
640 | # using 60 gives us another 60 seconds to abort the task | |
e085fe6f | 641 | local $SIG{ALRM} = sub { die "'$lockid'-locked command timed out - aborting\n"; }; |
00ea8428 | 642 | alarm(60); |
fe000966 | 643 | |
9c206b2b DM |
644 | cfs_update(); # make sure we read latest versions inside code() |
645 | ||
e085fe6f TL |
646 | $is_code_err = 1; # allows to differ between locking and actual-work errors |
647 | ||
fe000966 DM |
648 | $res = &$code(@param); |
649 | ||
650 | alarm(0); | |
651 | }; | |
652 | ||
653 | my $err = $@; | |
654 | ||
6e13e20a | 655 | $err = "no quorum!\n" if !$got_lock && !check_cfs_quorum(1); |
fe000966 | 656 | |
96857ee4 | 657 | rmdir $filename if $got_lock; # if we held the lock always unlock again |
fe000966 | 658 | |
00ea8428 TL |
659 | alarm($prev_alarm); |
660 | ||
fe000966 | 661 | if ($err) { |
e085fe6f | 662 | if (ref($err) eq 'PVE::Exception' || $is_code_err) { |
c09b0af5 FG |
663 | # re-raise defined exceptions |
664 | $@ = $err; | |
665 | } else { | |
e085fe6f TL |
666 | # add lock info for plain errors comming from the locking itself |
667 | $@ = "cfs-lock '$lockid' error: $err"; | |
c09b0af5 | 668 | } |
fe000966 DM |
669 | return undef; |
670 | } | |
671 | ||
672 | $@ = undef; | |
673 | ||
674 | return $res; | |
675 | }; | |
676 | ||
677 | sub cfs_lock_file { | |
678 | my ($filename, $timeout, $code, @param) = @_; | |
679 | ||
680 | my $info = $observed->{$filename} || die "unknown file '$filename'"; | |
681 | ||
682 | my $lockid = "file-$filename"; | |
683 | $lockid =~ s/[.\/]/_/g; | |
684 | ||
685 | &$cfs_lock($lockid, $timeout, $code, @param); | |
686 | } | |
687 | ||
688 | sub cfs_lock_storage { | |
689 | my ($storeid, $timeout, $code, @param) = @_; | |
690 | ||
691 | my $lockid = "storage-$storeid"; | |
692 | ||
693 | &$cfs_lock($lockid, $timeout, $code, @param); | |
694 | } | |
695 | ||
78897707 TL |
696 | sub cfs_lock_domain { |
697 | my ($domainname, $timeout, $code, @param) = @_; | |
698 | ||
699 | my $lockid = "domain-$domainname"; | |
700 | ||
701 | &$cfs_lock($lockid, $timeout, $code, @param); | |
702 | } | |
703 | ||
4790f9f4 FG |
704 | sub cfs_lock_acme { |
705 | my ($account, $timeout, $code, @param) = @_; | |
706 | ||
707 | my $lockid = "acme-$account"; | |
708 | ||
709 | &$cfs_lock($lockid, $timeout, $code, @param); | |
710 | } | |
711 | ||
900b50d9 FG |
712 | sub cfs_lock_authkey { |
713 | my ($timeout, $code, @param) = @_; | |
714 | ||
715 | $cfs_lock->('authkey', $timeout, $code, @param); | |
31c78985 FG |
716 | } |
717 | ||
718 | sub cfs_lock_firewall { | |
719 | my ($scope, $timeout, $code, @param) = @_; | |
720 | ||
721 | my $lockid = "firewall-$scope"; | |
722 | ||
723 | $cfs_lock->($lockid, $timeout, $code, @param); | |
900b50d9 FG |
724 | } |
725 | ||
fe000966 DM |
726 | my $log_levels = { |
727 | "emerg" => 0, | |
728 | "alert" => 1, | |
729 | "crit" => 2, | |
730 | "critical" => 2, | |
731 | "err" => 3, | |
732 | "error" => 3, | |
733 | "warn" => 4, | |
734 | "warning" => 4, | |
735 | "notice" => 5, | |
736 | "info" => 6, | |
737 | "debug" => 7, | |
738 | }; | |
739 | ||
740 | sub log_msg { | |
741 | my ($priority, $ident, $msg) = @_; | |
742 | ||
743 | if (my $tmp = $log_levels->{$priority}) { | |
744 | $priority = $tmp; | |
745 | } | |
746 | ||
747 | die "need numeric log priority" if $priority !~ /^\d+$/; | |
748 | ||
749 | my $tag = PVE::SafeSyslog::tag(); | |
750 | ||
751 | $msg = "empty message" if !$msg; | |
752 | ||
753 | $ident = "" if !$ident; | |
8f2d54ff | 754 | $ident = encode("ascii", $ident, |
fe000966 DM |
755 | sub { sprintf "\\u%04x", shift }); |
756 | ||
8f2d54ff | 757 | my $ascii = encode("ascii", $msg, sub { sprintf "\\u%04x", shift }); |
fe000966 DM |
758 | |
759 | if ($ident) { | |
760 | syslog($priority, "<%s> %s", $ident, $ascii); | |
761 | } else { | |
762 | syslog($priority, "%s", $ascii); | |
763 | } | |
764 | ||
765 | eval { &$ipcc_log($priority, $ident, $tag, $ascii); }; | |
766 | ||
767 | syslog("err", "writing cluster log failed: $@") if $@; | |
768 | } | |
769 | ||
9d76a1bb DM |
770 | sub check_vmid_unused { |
771 | my ($vmid, $noerr) = @_; | |
c53b111f | 772 | |
9d76a1bb DM |
773 | my $vmlist = get_vmlist(); |
774 | ||
775 | my $d = $vmlist->{ids}->{$vmid}; | |
776 | return 1 if !defined($d); | |
c53b111f | 777 | |
9d76a1bb DM |
778 | return undef if $noerr; |
779 | ||
4f66b109 | 780 | my $vmtypestr = $d->{type} eq 'qemu' ? 'VM' : 'CT'; |
e75ccbee | 781 | die "$vmtypestr $vmid already exists on node '$d->{node}'\n"; |
9d76a1bb DM |
782 | } |
783 | ||
65ff467f DM |
784 | sub check_node_exists { |
785 | my ($nodename, $noerr) = @_; | |
786 | ||
787 | my $nodelist = $clinfo->{nodelist}; | |
788 | return 1 if $nodelist && $nodelist->{$nodename}; | |
789 | ||
790 | return undef if $noerr; | |
791 | ||
792 | die "no such cluster node '$nodename'\n"; | |
793 | } | |
794 | ||
fe000966 DM |
795 | # this is also used to get the IP of the local node |
796 | sub remote_node_ip { | |
797 | my ($nodename, $noerr) = @_; | |
798 | ||
799 | my $nodelist = $clinfo->{nodelist}; | |
800 | if ($nodelist && $nodelist->{$nodename}) { | |
801 | if (my $ip = $nodelist->{$nodename}->{ip}) { | |
fc31f517 WB |
802 | return $ip if !wantarray; |
803 | my $family = $nodelist->{$nodename}->{address_family}; | |
804 | if (!$family) { | |
805 | $nodelist->{$nodename}->{address_family} = | |
806 | $family = | |
807 | PVE::Tools::get_host_address_family($ip); | |
808 | } | |
14830160 | 809 | return wantarray ? ($ip, $family) : $ip; |
fe000966 DM |
810 | } |
811 | } | |
812 | ||
813 | # fallback: try to get IP by other means | |
e064c9b0 | 814 | return PVE::Network::get_ip_from_hostname($nodename, $noerr); |
fe000966 DM |
815 | } |
816 | ||
1904862a TL |
817 | sub get_node_fingerprint { |
818 | my ($node) = @_; | |
819 | ||
820 | my $cert_path = "/etc/pve/nodes/$node/pve-ssl.pem"; | |
821 | my $custom_cert_path = "/etc/pve/nodes/$node/pveproxy-ssl.pem"; | |
822 | ||
823 | $cert_path = $custom_cert_path if -f $custom_cert_path; | |
824 | ||
c92b7716 | 825 | return PVE::Certificate::get_certificate_fingerprint($cert_path); |
1904862a TL |
826 | } |
827 | ||
15df58e6 DM |
828 | # bash completion helpers |
829 | ||
830 | sub complete_next_vmid { | |
831 | ||
832 | my $vmlist = get_vmlist() || {}; | |
833 | my $idlist = $vmlist->{ids} || {}; | |
834 | ||
835 | for (my $i = 100; $i < 10000; $i++) { | |
836 | return [$i] if !defined($idlist->{$i}); | |
837 | } | |
838 | ||
839 | return []; | |
840 | } | |
841 | ||
87515b25 DM |
842 | sub complete_vmid { |
843 | ||
844 | my $vmlist = get_vmlist(); | |
845 | my $ids = $vmlist->{ids} || {}; | |
846 | ||
847 | return [ keys %$ids ]; | |
848 | } | |
849 | ||
15df58e6 DM |
850 | sub complete_local_vmid { |
851 | ||
852 | my $vmlist = get_vmlist(); | |
853 | my $ids = $vmlist->{ids} || {}; | |
854 | ||
855 | my $nodename = PVE::INotify::nodename(); | |
856 | ||
857 | my $res = []; | |
858 | foreach my $vmid (keys %$ids) { | |
859 | my $d = $ids->{$vmid}; | |
860 | next if !$d->{node} || $d->{node} ne $nodename; | |
861 | push @$res, $vmid; | |
862 | } | |
863 | ||
864 | return $res; | |
865 | } | |
866 | ||
4dd189df DM |
867 | sub complete_migration_target { |
868 | ||
869 | my $res = []; | |
870 | ||
871 | my $nodename = PVE::INotify::nodename(); | |
872 | ||
873 | my $nodelist = get_nodelist(); | |
874 | foreach my $node (@$nodelist) { | |
875 | next if $node eq $nodename; | |
876 | push @$res, $node; | |
877 | } | |
878 | ||
879 | return $res; | |
880 | } | |
881 | ||
1f1aef8b | 882 | |
a9965358 | 883 | # NOTE: filesystem must be offline here, no DB changes allowed |
c5204e14 | 884 | sub cfs_backup_database { |
e02bdaae TL |
885 | mkdir $dbbackupdir; |
886 | ||
e02bdaae | 887 | my $ctime = time(); |
a9965358 | 888 | my $backup_fn = "$dbbackupdir/config-$ctime.sql.gz"; |
e02bdaae | 889 | |
a9965358 | 890 | print "backup old database to '$backup_fn'\n"; |
e02bdaae | 891 | |
a9965358 TL |
892 | my $cmd = [ ['sqlite3', $dbfile, '.dump'], ['gzip', '-', \ ">${backup_fn}"] ]; |
893 | run_command($cmd, 'errmsg' => "cannot backup old database\n"); | |
e02bdaae | 894 | |
a9965358 TL |
895 | my $maxfiles = 10; # purge older backup |
896 | my $backups = [ sort { $b cmp $a } <$dbbackupdir/config-*.sql.gz> ]; | |
897 | ||
898 | if ((my $count = scalar(@$backups)) > $maxfiles) { | |
899 | foreach my $f (@$backups[$maxfiles..$count-1]) { | |
ee0daa88 | 900 | next if $f !~ m/^(\S+)$/; # untaint |
a9965358 TL |
901 | print "delete old backup '$1'\n"; |
902 | unlink $1; | |
903 | } | |
e02bdaae | 904 | } |
8f64504c | 905 | |
c5204e14 | 906 | return $dbfile; |
8f64504c | 907 | } |
e02bdaae | 908 | |
ac68281b | 909 | 1; |