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Commit | Line | Data |
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67afe46e FG |
1 | package PVE::LXC::Config; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
6 | use PVE::AbstractConfig; | |
7 | use PVE::Cluster qw(cfs_register_file); | |
1a416433 | 8 | use PVE::GuestHelpers; |
67afe46e FG |
9 | use PVE::INotify; |
10 | use PVE::JSONSchema qw(get_standard_option); | |
11 | use PVE::Tools; | |
12 | ||
13 | use base qw(PVE::AbstractConfig); | |
14 | ||
15 | my $nodename = PVE::INotify::nodename(); | |
16 | my $lock_handles = {}; | |
17 | my $lockdir = "/run/lock/lxc"; | |
18 | mkdir $lockdir; | |
19 | mkdir "/etc/pve/nodes/$nodename/lxc"; | |
717f70b7 | 20 | my $MAX_MOUNT_POINTS = 256; |
67afe46e FG |
21 | my $MAX_UNUSED_DISKS = $MAX_MOUNT_POINTS; |
22 | ||
23 | # BEGIN implemented abstract methods from PVE::AbstractConfig | |
24 | ||
25 | sub guest_type { | |
26 | return "CT"; | |
27 | } | |
28 | ||
4518000b FG |
29 | sub __config_max_unused_disks { |
30 | my ($class) = @_; | |
31 | ||
32 | return $MAX_UNUSED_DISKS; | |
33 | } | |
34 | ||
67afe46e FG |
35 | sub config_file_lock { |
36 | my ($class, $vmid) = @_; | |
37 | ||
38 | return "$lockdir/pve-config-${vmid}.lock"; | |
39 | } | |
40 | ||
41 | sub cfs_config_path { | |
42 | my ($class, $vmid, $node) = @_; | |
43 | ||
44 | $node = $nodename if !$node; | |
45 | return "nodes/$node/lxc/$vmid.conf"; | |
46 | } | |
47 | ||
1a8269bc | 48 | sub mountpoint_backup_enabled { |
ec7f0f09 | 49 | my ($class, $mp_key, $mountpoint) = @_; |
1a8269bc DM |
50 | |
51 | return 1 if $mp_key eq 'rootfs'; | |
52 | ||
f59c9670 FG |
53 | return 0 if $mountpoint->{type} ne 'volume'; |
54 | ||
1a8269bc DM |
55 | return 1 if $mountpoint->{backup}; |
56 | ||
57 | return 0; | |
58 | } | |
59 | ||
4518000b FG |
60 | sub has_feature { |
61 | my ($class, $feature, $conf, $storecfg, $snapname, $running, $backup_only) = @_; | |
62 | my $err; | |
63 | ||
d250604f | 64 | $class->foreach_mountpoint($conf, sub { |
4518000b FG |
65 | my ($ms, $mountpoint) = @_; |
66 | ||
67 | return if $err; # skip further test | |
ec7f0f09 | 68 | return if $backup_only && !$class->mountpoint_backup_enabled($ms, $mountpoint); |
4518000b FG |
69 | |
70 | $err = 1 | |
71 | if !PVE::Storage::volume_has_feature($storecfg, $feature, | |
72 | $mountpoint->{volume}, | |
73 | $snapname, $running); | |
74 | }); | |
75 | ||
76 | return $err ? 0 : 1; | |
77 | } | |
78 | ||
79 | sub __snapshot_save_vmstate { | |
80 | my ($class, $vmid, $conf, $snapname, $storecfg) = @_; | |
81 | die "implement me - snapshot_save_vmstate\n"; | |
82 | } | |
83 | ||
84 | sub __snapshot_check_running { | |
85 | my ($class, $vmid) = @_; | |
86 | return PVE::LXC::check_running($vmid); | |
87 | } | |
88 | ||
89 | sub __snapshot_check_freeze_needed { | |
90 | my ($class, $vmid, $config, $save_vmstate) = @_; | |
91 | ||
92 | my $ret = $class->__snapshot_check_running($vmid); | |
93 | return ($ret, $ret); | |
94 | } | |
95 | ||
96 | sub __snapshot_freeze { | |
97 | my ($class, $vmid, $unfreeze) = @_; | |
98 | ||
99 | if ($unfreeze) { | |
100 | eval { PVE::Tools::run_command(['/usr/bin/lxc-unfreeze', '-n', $vmid]); }; | |
101 | warn $@ if $@; | |
102 | } else { | |
103 | PVE::Tools::run_command(['/usr/bin/lxc-freeze', '-n', $vmid]); | |
104 | PVE::LXC::sync_container_namespace($vmid); | |
105 | } | |
106 | } | |
107 | ||
108 | sub __snapshot_create_vol_snapshot { | |
109 | my ($class, $vmid, $ms, $mountpoint, $snapname) = @_; | |
110 | ||
111 | my $storecfg = PVE::Storage::config(); | |
112 | ||
1a8269bc | 113 | return if $snapname eq 'vzdump' && |
ec7f0f09 | 114 | !$class->mountpoint_backup_enabled($ms, $mountpoint); |
1a8269bc | 115 | |
4518000b FG |
116 | PVE::Storage::volume_snapshot($storecfg, $mountpoint->{volume}, $snapname); |
117 | } | |
118 | ||
119 | sub __snapshot_delete_remove_drive { | |
120 | my ($class, $snap, $remove_drive) = @_; | |
121 | ||
122 | if ($remove_drive eq 'vmstate') { | |
123 | die "implement me - saving vmstate\n"; | |
124 | } else { | |
125 | my $value = $snap->{$remove_drive}; | |
1b4cf758 | 126 | my $mountpoint = $remove_drive eq 'rootfs' ? $class->parse_ct_rootfs($value, 1) : $class->parse_ct_mountpoint($value, 1); |
4518000b | 127 | delete $snap->{$remove_drive}; |
d103721f FG |
128 | |
129 | $class->add_unused_volume($snap, $mountpoint->{volume}) | |
130 | if ($mountpoint->{type} eq 'volume'); | |
4518000b FG |
131 | } |
132 | } | |
133 | ||
134 | sub __snapshot_delete_vmstate_file { | |
135 | my ($class, $snap, $force) = @_; | |
136 | ||
137 | die "implement me - saving vmstate\n"; | |
138 | } | |
139 | ||
140 | sub __snapshot_delete_vol_snapshot { | |
a8e9a4ea | 141 | my ($class, $vmid, $ms, $mountpoint, $snapname, $unused) = @_; |
4518000b | 142 | |
d103721f FG |
143 | return if $snapname eq 'vzdump' && |
144 | !$class->mountpoint_backup_enabled($ms, $mountpoint); | |
145 | ||
4518000b FG |
146 | my $storecfg = PVE::Storage::config(); |
147 | PVE::Storage::volume_snapshot_delete($storecfg, $mountpoint->{volume}, $snapname); | |
a8e9a4ea | 148 | push @$unused, $mountpoint->{volume}; |
4518000b FG |
149 | } |
150 | ||
151 | sub __snapshot_rollback_vol_possible { | |
152 | my ($class, $mountpoint, $snapname) = @_; | |
153 | ||
154 | my $storecfg = PVE::Storage::config(); | |
155 | PVE::Storage::volume_rollback_is_possible($storecfg, $mountpoint->{volume}, $snapname); | |
156 | } | |
157 | ||
158 | sub __snapshot_rollback_vol_rollback { | |
159 | my ($class, $mountpoint, $snapname) = @_; | |
160 | ||
161 | my $storecfg = PVE::Storage::config(); | |
162 | PVE::Storage::volume_snapshot_rollback($storecfg, $mountpoint->{volume}, $snapname); | |
163 | } | |
164 | ||
165 | sub __snapshot_rollback_vm_stop { | |
166 | my ($class, $vmid) = @_; | |
167 | ||
b1bad293 | 168 | PVE::LXC::vm_stop($vmid, 1) |
4518000b FG |
169 | if $class->__snapshot_check_running($vmid); |
170 | } | |
171 | ||
172 | sub __snapshot_rollback_vm_start { | |
67779c3c | 173 | my ($class, $vmid, $vmstate, $data); |
4518000b FG |
174 | |
175 | die "implement me - save vmstate\n"; | |
176 | } | |
177 | ||
a8656869 FG |
178 | sub __snapshot_rollback_get_unused { |
179 | my ($class, $conf, $snap) = @_; | |
180 | ||
181 | my $unused = []; | |
182 | ||
183 | $class->__snapshot_foreach_volume($conf, sub { | |
184 | my ($vs, $volume) = @_; | |
185 | ||
186 | return if $volume->{type} ne 'volume'; | |
187 | ||
188 | my $found = 0; | |
189 | my $volid = $volume->{volume}; | |
190 | ||
191 | $class->__snapshot_foreach_volume($snap, sub { | |
192 | my ($ms, $mountpoint) = @_; | |
193 | ||
194 | return if $found; | |
195 | return if ($mountpoint->{type} ne 'volume'); | |
196 | ||
197 | $found = 1 | |
198 | if ($mountpoint->{volume} && $mountpoint->{volume} eq $volid); | |
199 | }); | |
200 | ||
201 | push @$unused, $volid if !$found; | |
202 | }); | |
203 | ||
204 | return $unused; | |
205 | } | |
206 | ||
4518000b FG |
207 | sub __snapshot_foreach_volume { |
208 | my ($class, $conf, $func) = @_; | |
209 | ||
d250604f | 210 | $class->foreach_mountpoint($conf, $func); |
4518000b FG |
211 | } |
212 | ||
67afe46e FG |
213 | # END implemented abstract methods from PVE::AbstractConfig |
214 | ||
1b4cf758 FG |
215 | # BEGIN JSON config code |
216 | ||
217 | cfs_register_file('/lxc/', \&parse_pct_config, \&write_pct_config); | |
218 | ||
219 | my $rootfs_desc = { | |
220 | volume => { | |
221 | type => 'string', | |
222 | default_key => 1, | |
223 | format => 'pve-lxc-mp-string', | |
224 | format_description => 'volume', | |
225 | description => 'Volume, device or directory to mount into the container.', | |
226 | }, | |
1b4cf758 FG |
227 | size => { |
228 | type => 'string', | |
229 | format => 'disk-size', | |
230 | format_description => 'DiskSize', | |
231 | description => 'Volume size (read only value).', | |
232 | optional => 1, | |
233 | }, | |
234 | acl => { | |
235 | type => 'boolean', | |
1b4cf758 FG |
236 | description => 'Explicitly enable or disable ACL support.', |
237 | optional => 1, | |
238 | }, | |
239 | ro => { | |
240 | type => 'boolean', | |
235dbdf3 | 241 | description => 'Read-only mount point', |
1b4cf758 FG |
242 | optional => 1, |
243 | }, | |
244 | quota => { | |
245 | type => 'boolean', | |
1b4cf758 FG |
246 | description => 'Enable user quotas inside the container (not supported with zfs subvolumes)', |
247 | optional => 1, | |
248 | }, | |
76ec0820 | 249 | replicate => { |
f8aa3d35 WL |
250 | type => 'boolean', |
251 | description => 'Will include this volume to a storage replica job.', | |
252 | optional => 1, | |
253 | default => 1, | |
254 | }, | |
552e168f FG |
255 | shared => { |
256 | type => 'boolean', | |
257 | description => 'Mark this non-volume mount point as available on multiple nodes (see \'nodes\')', | |
258 | verbose_description => "Mark this non-volume mount point as available on all nodes.\n\nWARNING: This option does not share the mount point automatically, it assumes it is shared already!", | |
259 | optional => 1, | |
260 | default => 0, | |
261 | }, | |
1b4cf758 FG |
262 | }; |
263 | ||
264 | PVE::JSONSchema::register_standard_option('pve-ct-rootfs', { | |
265 | type => 'string', format => $rootfs_desc, | |
266 | description => "Use volume as container root.", | |
267 | optional => 1, | |
268 | }); | |
269 | ||
5a63f1c5 WB |
270 | my $features_desc = { |
271 | mount => { | |
272 | optional => 1, | |
273 | type => 'string', | |
274 | description => "Allow mounting file systems of specific types." | |
275 | ." This should be a list of file system types as used with the mount command." | |
276 | ." Note that this can have negative effects on the container's security." | |
277 | ." With access to a loop device, mounting a file can circumvent the mknod" | |
278 | ." permission of the devices cgroup, mounting an NFS file system can" | |
279 | ." block the host's I/O completely and prevent it from rebooting, etc.", | |
280 | format_description => 'fstype;fstype;...', | |
e188f1bb | 281 | pattern => qr/[a-zA-Z0-9_; ]+/, |
5a63f1c5 WB |
282 | }, |
283 | nesting => { | |
284 | optional => 1, | |
285 | type => 'boolean', | |
286 | default => 0, | |
287 | description => "Allow nesting." | |
288 | ." Best used with unprivileged containers with additional id mapping." | |
289 | ." Note that this will expose procfs and sysfs contents of the host" | |
290 | ." to the guest.", | |
291 | }, | |
292 | keyctl => { | |
293 | optional => 1, | |
294 | type => 'boolean', | |
295 | default => 0, | |
296 | description => "For unprivileged containers only: Allow the use of the keyctl() system call." | |
297 | ." This is required to use docker inside a container." | |
298 | ." By default unprivileged containers will see this system call as non-existent." | |
299 | ." This is mostly a workaround for systemd-networkd, as it will treat it as a fatal" | |
300 | ." error when some keyctl() operations are denied by the kernel due to lacking permissions." | |
301 | ." Essentially, you can choose between running systemd-networkd or docker.", | |
302 | }, | |
96f8d2a2 WB |
303 | fuse => { |
304 | optional => 1, | |
305 | type => 'boolean', | |
306 | default => 0, | |
307 | description => "Allow using 'fuse' file systems in a container." | |
308 | ." Note that interactions between fuse and the freezer cgroup can potentially cause I/O deadlocks.", | |
309 | }, | |
5a63f1c5 WB |
310 | }; |
311 | ||
1b4cf758 FG |
312 | my $confdesc = { |
313 | lock => { | |
314 | optional => 1, | |
315 | type => 'string', | |
316 | description => "Lock/unlock the VM.", | |
14c9b535 | 317 | enum => [qw(backup disk migrate mounted rollback snapshot snapshot-delete)], |
1b4cf758 FG |
318 | }, |
319 | onboot => { | |
320 | optional => 1, | |
321 | type => 'boolean', | |
322 | description => "Specifies whether a VM will be started during system bootup.", | |
323 | default => 0, | |
324 | }, | |
325 | startup => get_standard_option('pve-startup-order'), | |
326 | template => { | |
327 | optional => 1, | |
328 | type => 'boolean', | |
329 | description => "Enable/disable Template.", | |
330 | default => 0, | |
331 | }, | |
332 | arch => { | |
333 | optional => 1, | |
334 | type => 'string', | |
e1d54a38 | 335 | enum => ['amd64', 'i386', 'arm64', 'armhf'], |
1b4cf758 FG |
336 | description => "OS architecture type.", |
337 | default => 'amd64', | |
338 | }, | |
339 | ostype => { | |
340 | optional => 1, | |
341 | type => 'string', | |
ed027b58 | 342 | enum => [qw(debian ubuntu centos fedora opensuse archlinux alpine gentoo unmanaged)], |
1b4cf758 FG |
343 | description => "OS type. This is used to setup configuration inside the container, and corresponds to lxc setup scripts in /usr/share/lxc/config/<ostype>.common.conf. Value 'unmanaged' can be used to skip and OS specific setup.", |
344 | }, | |
345 | console => { | |
346 | optional => 1, | |
347 | type => 'boolean', | |
348 | description => "Attach a console device (/dev/console) to the container.", | |
349 | default => 1, | |
350 | }, | |
351 | tty => { | |
352 | optional => 1, | |
353 | type => 'integer', | |
354 | description => "Specify the number of tty available to the container", | |
355 | minimum => 0, | |
356 | maximum => 6, | |
357 | default => 2, | |
358 | }, | |
f2357408 DM |
359 | cores => { |
360 | optional => 1, | |
361 | type => 'integer', | |
362 | description => "The number of cores assigned to the container. A container can use all available cores by default.", | |
363 | minimum => 1, | |
364 | maximum => 128, | |
365 | }, | |
1b4cf758 FG |
366 | cpulimit => { |
367 | optional => 1, | |
368 | type => 'number', | |
064529c3 | 369 | description => "Limit of CPU usage.\n\nNOTE: If the computer has 2 CPUs, it has a total of '2' CPU time. Value '0' indicates no CPU limit.", |
1b4cf758 FG |
370 | minimum => 0, |
371 | maximum => 128, | |
372 | default => 0, | |
373 | }, | |
374 | cpuunits => { | |
375 | optional => 1, | |
376 | type => 'integer', | |
377 | description => "CPU weight for a VM. Argument is used in the kernel fair scheduler. The larger the number is, the more CPU time this VM gets. Number is relative to the weights of all the other running VMs.\n\nNOTE: You can disable fair-scheduler configuration by setting this to 0.", | |
378 | minimum => 0, | |
379 | maximum => 500000, | |
380 | default => 1024, | |
381 | }, | |
382 | memory => { | |
383 | optional => 1, | |
384 | type => 'integer', | |
385 | description => "Amount of RAM for the VM in MB.", | |
386 | minimum => 16, | |
387 | default => 512, | |
388 | }, | |
389 | swap => { | |
390 | optional => 1, | |
391 | type => 'integer', | |
392 | description => "Amount of SWAP for the VM in MB.", | |
393 | minimum => 0, | |
394 | default => 512, | |
395 | }, | |
396 | hostname => { | |
397 | optional => 1, | |
398 | description => "Set a host name for the container.", | |
399 | type => 'string', format => 'dns-name', | |
400 | maxLength => 255, | |
401 | }, | |
402 | description => { | |
403 | optional => 1, | |
404 | type => 'string', | |
a069f163 | 405 | description => "Container description. Only used on the configuration web interface.", |
1b4cf758 FG |
406 | }, |
407 | searchdomain => { | |
408 | optional => 1, | |
409 | type => 'string', format => 'dns-name-list', | |
410 | description => "Sets DNS search domains for a container. Create will automatically use the setting from the host if you neither set searchdomain nor nameserver.", | |
411 | }, | |
412 | nameserver => { | |
413 | optional => 1, | |
414 | type => 'string', format => 'address-list', | |
415 | description => "Sets DNS server IP address for a container. Create will automatically use the setting from the host if you neither set searchdomain nor nameserver.", | |
416 | }, | |
417 | rootfs => get_standard_option('pve-ct-rootfs'), | |
418 | parent => { | |
419 | optional => 1, | |
420 | type => 'string', format => 'pve-configid', | |
421 | maxLength => 40, | |
422 | description => "Parent snapshot name. This is used internally, and should not be modified.", | |
423 | }, | |
424 | snaptime => { | |
425 | optional => 1, | |
426 | description => "Timestamp for snapshots.", | |
427 | type => 'integer', | |
428 | minimum => 0, | |
429 | }, | |
430 | cmode => { | |
431 | optional => 1, | |
432 | description => "Console mode. By default, the console command tries to open a connection to one of the available tty devices. By setting cmode to 'console' it tries to attach to /dev/console instead. If you set cmode to 'shell', it simply invokes a shell inside the container (no login).", | |
433 | type => 'string', | |
434 | enum => ['shell', 'console', 'tty'], | |
435 | default => 'tty', | |
436 | }, | |
437 | protection => { | |
438 | optional => 1, | |
439 | type => 'boolean', | |
440 | description => "Sets the protection flag of the container. This will prevent the CT or CT's disk remove/update operation.", | |
441 | default => 0, | |
442 | }, | |
443 | unprivileged => { | |
444 | optional => 1, | |
445 | type => 'boolean', | |
446 | description => "Makes the container run as unprivileged user. (Should not be modified manually.)", | |
447 | default => 0, | |
448 | }, | |
5a63f1c5 WB |
449 | features => { |
450 | optional => 1, | |
451 | type => 'string', | |
452 | format => $features_desc, | |
453 | description => "Allow containers access to advanced features.", | |
454 | }, | |
1a416433 DC |
455 | hookscript => { |
456 | optional => 1, | |
457 | type => 'string', | |
458 | format => 'pve-volume-id', | |
459 | description => 'Script that will be exectued during various steps in the containers lifetime.', | |
460 | }, | |
1b4cf758 FG |
461 | }; |
462 | ||
463 | my $valid_lxc_conf_keys = { | |
108c6cab WB |
464 | 'lxc.apparmor.profile' => 1, |
465 | 'lxc.apparmor.allow_incomplete' => 1, | |
d494e03c WB |
466 | 'lxc.apparmor.allow_nesting' => 1, |
467 | 'lxc.apparmor.raw' => 1, | |
108c6cab | 468 | 'lxc.selinux.context' => 1, |
1b4cf758 FG |
469 | 'lxc.include' => 1, |
470 | 'lxc.arch' => 1, | |
108c6cab WB |
471 | 'lxc.uts.name' => 1, |
472 | 'lxc.signal.halt' => 1, | |
473 | 'lxc.signal.reboot' => 1, | |
474 | 'lxc.signal.stop' => 1, | |
475 | 'lxc.init.cmd' => 1, | |
476 | 'lxc.pty.max' => 1, | |
1b4cf758 | 477 | 'lxc.console.logfile' => 1, |
108c6cab WB |
478 | 'lxc.console.path' => 1, |
479 | 'lxc.tty.max' => 1, | |
480 | 'lxc.devtty.dir' => 1, | |
1b4cf758 FG |
481 | 'lxc.hook.autodev' => 1, |
482 | 'lxc.autodev' => 1, | |
483 | 'lxc.kmsg' => 1, | |
108c6cab | 484 | 'lxc.mount.fstab' => 1, |
1b4cf758 FG |
485 | 'lxc.mount.entry' => 1, |
486 | 'lxc.mount.auto' => 1, | |
108c6cab | 487 | 'lxc.rootfs.path' => 'lxc.rootfs.path is auto generated from rootfs', |
1b4cf758 FG |
488 | 'lxc.rootfs.mount' => 1, |
489 | 'lxc.rootfs.options' => 'lxc.rootfs.options is not supported' . | |
235dbdf3 | 490 | ', please use mount point options in the "rootfs" key', |
1b4cf758 | 491 | # lxc.cgroup.* |
108c6cab | 492 | # lxc.prlimit.* |
6eb23d1e | 493 | # lxc.net.* |
1b4cf758 FG |
494 | 'lxc.cap.drop' => 1, |
495 | 'lxc.cap.keep' => 1, | |
108c6cab WB |
496 | 'lxc.seccomp.profile' => 1, |
497 | 'lxc.idmap' => 1, | |
1b4cf758 FG |
498 | 'lxc.hook.pre-start' => 1, |
499 | 'lxc.hook.pre-mount' => 1, | |
500 | 'lxc.hook.mount' => 1, | |
501 | 'lxc.hook.start' => 1, | |
502 | 'lxc.hook.stop' => 1, | |
503 | 'lxc.hook.post-stop' => 1, | |
504 | 'lxc.hook.clone' => 1, | |
505 | 'lxc.hook.destroy' => 1, | |
108c6cab WB |
506 | 'lxc.log.level' => 1, |
507 | 'lxc.log.file' => 1, | |
1b4cf758 FG |
508 | 'lxc.start.auto' => 1, |
509 | 'lxc.start.delay' => 1, | |
510 | 'lxc.start.order' => 1, | |
511 | 'lxc.group' => 1, | |
512 | 'lxc.environment' => 1, | |
d4a135f7 WB |
513 | |
514 | # All these are namespaced via CLONE_NEWIPC (see namespaces(7)). | |
515 | 'lxc.sysctl.fs.mqueue' => 1, | |
516 | 'lxc.sysctl.kernel.msgmax' => 1, | |
517 | 'lxc.sysctl.kernel.msgmnb' => 1, | |
518 | 'lxc.sysctl.kernel.msgmni' => 1, | |
519 | 'lxc.sysctl.kernel.sem' => 1, | |
520 | 'lxc.sysctl.kernel.shmall' => 1, | |
521 | 'lxc.sysctl.kernel.shmmax' => 1, | |
522 | 'lxc.sysctl.kernel.shmmni' => 1, | |
523 | 'lxc.sysctl.kernel.shm_rmid_forced' => 1, | |
1b4cf758 FG |
524 | }; |
525 | ||
108c6cab WB |
526 | my $deprecated_lxc_conf_keys = { |
527 | # Deprecated (removed with lxc 3.0): | |
528 | 'lxc.aa_profile' => 'lxc.apparmor.profile', | |
529 | 'lxc.aa_allow_incomplete' => 'lxc.apparmor.allow_incomplete', | |
530 | 'lxc.console' => 'lxc.console.path', | |
531 | 'lxc.devttydir' => 'lxc.tty.dir', | |
532 | 'lxc.haltsignal' => 'lxc.signal.halt', | |
533 | 'lxc.rebootsignal' => 'lxc.signal.reboot', | |
534 | 'lxc.stopsignal' => 'lxc.signal.stop', | |
535 | 'lxc.id_map' => 'lxc.idmap', | |
536 | 'lxc.init_cmd' => 'lxc.init.cmd', | |
537 | 'lxc.loglevel' => 'lxc.log.level', | |
538 | 'lxc.logfile' => 'lxc.log.file', | |
539 | 'lxc.mount' => 'lxc.mount.fstab', | |
540 | 'lxc.network.type' => 'lxc.net.INDEX.type', | |
541 | 'lxc.network.flags' => 'lxc.net.INDEX.flags', | |
542 | 'lxc.network.link' => 'lxc.net.INDEX.link', | |
543 | 'lxc.network.mtu' => 'lxc.net.INDEX.mtu', | |
544 | 'lxc.network.name' => 'lxc.net.INDEX.name', | |
545 | 'lxc.network.hwaddr' => 'lxc.net.INDEX.hwaddr', | |
546 | 'lxc.network.ipv4' => 'lxc.net.INDEX.ipv4.address', | |
547 | 'lxc.network.ipv4.gateway' => 'lxc.net.INDEX.ipv4.gateway', | |
548 | 'lxc.network.ipv6' => 'lxc.net.INDEX.ipv6.address', | |
549 | 'lxc.network.ipv6.gateway' => 'lxc.net.INDEX.ipv6.gateway', | |
550 | 'lxc.network.script.up' => 'lxc.net.INDEX.script.up', | |
551 | 'lxc.network.script.down' => 'lxc.net.INDEX.script.down', | |
552 | 'lxc.pts' => 'lxc.pty.max', | |
553 | 'lxc.se_context' => 'lxc.selinux.context', | |
554 | 'lxc.seccomp' => 'lxc.seccomp.profile', | |
555 | 'lxc.tty' => 'lxc.tty.max', | |
556 | 'lxc.utsname' => 'lxc.uts.name', | |
557 | }; | |
558 | ||
559 | sub is_valid_lxc_conf_key { | |
560 | my ($vmid, $key) = @_; | |
561 | if ($key =~ /^lxc\.limit\./) { | |
562 | warn "vm $vmid - $key: lxc.limit.* was renamed to lxc.prlimit.*\n"; | |
563 | return 1; | |
564 | } | |
565 | if (defined(my $new_name = $deprecated_lxc_conf_keys->{$key})) { | |
566 | warn "vm $vmid - $key is deprecated and was renamed to $new_name\n"; | |
567 | return 1; | |
568 | } | |
569 | my $validity = $valid_lxc_conf_keys->{$key}; | |
570 | return $validity if defined($validity); | |
571 | return 1 if $key =~ /^lxc\.cgroup\./ # allow all cgroup values | |
572 | || $key =~ /^lxc\.prlimit\./ # allow all prlimits | |
573 | || $key =~ /^lxc\.net\./; # allow custom network definitions | |
574 | return 0; | |
575 | } | |
576 | ||
5e5915c5 | 577 | our $netconf_desc = { |
1b4cf758 FG |
578 | type => { |
579 | type => 'string', | |
580 | optional => 1, | |
581 | description => "Network interface type.", | |
582 | enum => [qw(veth)], | |
583 | }, | |
584 | name => { | |
585 | type => 'string', | |
a069f163 DM |
586 | format_description => 'string', |
587 | description => 'Name of the network device as seen from inside the container. (lxc.network.name)', | |
1b4cf758 FG |
588 | pattern => '[-_.\w\d]+', |
589 | }, | |
590 | bridge => { | |
591 | type => 'string', | |
a069f163 | 592 | format_description => 'bridge', |
1b4cf758 FG |
593 | description => 'Bridge to attach the network device to.', |
594 | pattern => '[-_.\w\d]+', | |
595 | optional => 1, | |
596 | }, | |
603536e0 | 597 | hwaddr => get_standard_option('mac-addr', { |
e6f20294 | 598 | description => 'The interface MAC address. This is dynamically allocated by default, but you can set that statically if needed, for example to always have the same link-local IPv6 address. (lxc.network.hwaddr)', |
603536e0 | 599 | }), |
1b4cf758 FG |
600 | mtu => { |
601 | type => 'integer', | |
1b4cf758 FG |
602 | description => 'Maximum transfer unit of the interface. (lxc.network.mtu)', |
603 | minimum => 64, # minimum ethernet frame is 64 bytes | |
604 | optional => 1, | |
605 | }, | |
606 | ip => { | |
607 | type => 'string', | |
608 | format => 'pve-ipv4-config', | |
718a67d6 | 609 | format_description => '(IPv4/CIDR|dhcp|manual)', |
1b4cf758 FG |
610 | description => 'IPv4 address in CIDR format.', |
611 | optional => 1, | |
612 | }, | |
613 | gw => { | |
614 | type => 'string', | |
615 | format => 'ipv4', | |
616 | format_description => 'GatewayIPv4', | |
617 | description => 'Default gateway for IPv4 traffic.', | |
618 | optional => 1, | |
619 | }, | |
620 | ip6 => { | |
621 | type => 'string', | |
622 | format => 'pve-ipv6-config', | |
6ea7095c | 623 | format_description => '(IPv6/CIDR|auto|dhcp|manual)', |
1b4cf758 FG |
624 | description => 'IPv6 address in CIDR format.', |
625 | optional => 1, | |
626 | }, | |
627 | gw6 => { | |
628 | type => 'string', | |
629 | format => 'ipv6', | |
630 | format_description => 'GatewayIPv6', | |
631 | description => 'Default gateway for IPv6 traffic.', | |
632 | optional => 1, | |
633 | }, | |
634 | firewall => { | |
635 | type => 'boolean', | |
1b4cf758 FG |
636 | description => "Controls whether this interface's firewall rules should be used.", |
637 | optional => 1, | |
638 | }, | |
639 | tag => { | |
640 | type => 'integer', | |
6b202dd5 DM |
641 | minimum => 1, |
642 | maximum => 4094, | |
1b4cf758 FG |
643 | description => "VLAN tag for this interface.", |
644 | optional => 1, | |
645 | }, | |
646 | trunks => { | |
647 | type => 'string', | |
648 | pattern => qr/\d+(?:;\d+)*/, | |
649 | format_description => 'vlanid[;vlanid...]', | |
650 | description => "VLAN ids to pass through the interface", | |
651 | optional => 1, | |
652 | }, | |
380962c7 WB |
653 | rate => { |
654 | type => 'number', | |
655 | format_description => 'mbps', | |
656 | description => "Apply rate limiting to the interface", | |
657 | optional => 1, | |
658 | }, | |
1b4cf758 FG |
659 | }; |
660 | PVE::JSONSchema::register_format('pve-lxc-network', $netconf_desc); | |
661 | ||
662 | my $MAX_LXC_NETWORKS = 10; | |
663 | for (my $i = 0; $i < $MAX_LXC_NETWORKS; $i++) { | |
664 | $confdesc->{"net$i"} = { | |
665 | optional => 1, | |
666 | type => 'string', format => $netconf_desc, | |
667 | description => "Specifies network interfaces for the container.", | |
668 | }; | |
669 | } | |
670 | ||
671 | PVE::JSONSchema::register_format('pve-lxc-mp-string', \&verify_lxc_mp_string); | |
672 | sub verify_lxc_mp_string { | |
673 | my ($mp, $noerr) = @_; | |
674 | ||
675 | # do not allow: | |
676 | # /./ or /../ | |
677 | # /. or /.. at the end | |
678 | # ../ at the beginning | |
679 | ||
680 | if($mp =~ m@/\.\.?/@ || | |
681 | $mp =~ m@/\.\.?$@ || | |
682 | $mp =~ m@^\.\./@) { | |
683 | return undef if $noerr; | |
684 | die "$mp contains illegal character sequences\n"; | |
685 | } | |
686 | return $mp; | |
687 | } | |
688 | ||
689 | my $mp_desc = { | |
690 | %$rootfs_desc, | |
84820d40 DM |
691 | backup => { |
692 | type => 'boolean', | |
235dbdf3 FG |
693 | description => 'Whether to include the mount point in backups.', |
694 | verbose_description => 'Whether to include the mount point in backups '. | |
695 | '(only used for volume mount points).', | |
84820d40 DM |
696 | optional => 1, |
697 | }, | |
1b4cf758 FG |
698 | mp => { |
699 | type => 'string', | |
700 | format => 'pve-lxc-mp-string', | |
701 | format_description => 'Path', | |
235dbdf3 | 702 | description => 'Path to the mount point as seen from inside the container '. |
52b6f941 | 703 | '(must not contain symlinks).', |
235dbdf3 | 704 | verbose_description => "Path to the mount point as seen from inside the container.\n\n". |
52b6f941 | 705 | "NOTE: Must not contain any symlinks for security reasons." |
1b4cf758 FG |
706 | }, |
707 | }; | |
708 | PVE::JSONSchema::register_format('pve-ct-mountpoint', $mp_desc); | |
709 | ||
710 | my $unuseddesc = { | |
711 | optional => 1, | |
712 | type => 'string', format => 'pve-volume-id', | |
2928e616 | 713 | description => "Reference to unused volumes. This is used internally, and should not be modified manually.", |
1b4cf758 FG |
714 | }; |
715 | ||
716 | for (my $i = 0; $i < $MAX_MOUNT_POINTS; $i++) { | |
717 | $confdesc->{"mp$i"} = { | |
718 | optional => 1, | |
719 | type => 'string', format => $mp_desc, | |
2928e616 | 720 | description => "Use volume as container mount point.", |
1b4cf758 FG |
721 | optional => 1, |
722 | }; | |
723 | } | |
724 | ||
725 | for (my $i = 0; $i < $MAX_MOUNT_POINTS; $i++) { | |
726 | $confdesc->{"unused$i"} = $unuseddesc; | |
727 | } | |
728 | ||
729 | sub parse_pct_config { | |
730 | my ($filename, $raw) = @_; | |
731 | ||
732 | return undef if !defined($raw); | |
733 | ||
734 | my $res = { | |
735 | digest => Digest::SHA::sha1_hex($raw), | |
736 | snapshots => {}, | |
737 | }; | |
738 | ||
739 | $filename =~ m|/lxc/(\d+).conf$| | |
740 | || die "got strange filename '$filename'"; | |
741 | ||
742 | my $vmid = $1; | |
743 | ||
744 | my $conf = $res; | |
745 | my $descr = ''; | |
746 | my $section = ''; | |
747 | ||
748 | my @lines = split(/\n/, $raw); | |
749 | foreach my $line (@lines) { | |
750 | next if $line =~ m/^\s*$/; | |
751 | ||
752 | if ($line =~ m/^\[([a-z][a-z0-9_\-]+)\]\s*$/i) { | |
753 | $section = $1; | |
754 | $conf->{description} = $descr if $descr; | |
755 | $descr = ''; | |
756 | $conf = $res->{snapshots}->{$section} = {}; | |
757 | next; | |
758 | } | |
759 | ||
760 | if ($line =~ m/^\#(.*)\s*$/) { | |
761 | $descr .= PVE::Tools::decode_text($1) . "\n"; | |
762 | next; | |
763 | } | |
764 | ||
765 | if ($line =~ m/^(lxc\.[a-z0-9_\-\.]+)(:|\s*=)\s*(.*?)\s*$/) { | |
766 | my $key = $1; | |
767 | my $value = $3; | |
108c6cab WB |
768 | my $validity = is_valid_lxc_conf_key($vmid, $key); |
769 | if ($validity eq 1) { | |
1b4cf758 FG |
770 | push @{$conf->{lxc}}, [$key, $value]; |
771 | } elsif (my $errmsg = $validity) { | |
772 | warn "vm $vmid - $key: $errmsg\n"; | |
773 | } else { | |
774 | warn "vm $vmid - unable to parse config: $line\n"; | |
775 | } | |
776 | } elsif ($line =~ m/^(description):\s*(.*\S)\s*$/) { | |
777 | $descr .= PVE::Tools::decode_text($2); | |
778 | } elsif ($line =~ m/snapstate:\s*(prepare|delete)\s*$/) { | |
779 | $conf->{snapstate} = $1; | |
780 | } elsif ($line =~ m/^([a-z][a-z_]*\d*):\s*(\S.*)\s*$/) { | |
781 | my $key = $1; | |
782 | my $value = $2; | |
783 | eval { $value = PVE::LXC::Config->check_type($key, $value); }; | |
784 | warn "vm $vmid - unable to parse value of '$key' - $@" if $@; | |
785 | $conf->{$key} = $value; | |
786 | } else { | |
787 | warn "vm $vmid - unable to parse config: $line\n"; | |
788 | } | |
789 | } | |
790 | ||
791 | $conf->{description} = $descr if $descr; | |
792 | ||
793 | delete $res->{snapstate}; # just to be sure | |
794 | ||
795 | return $res; | |
796 | } | |
797 | ||
798 | sub write_pct_config { | |
799 | my ($filename, $conf) = @_; | |
800 | ||
801 | delete $conf->{snapstate}; # just to be sure | |
802 | ||
803 | my $volidlist = PVE::LXC::Config->get_vm_volumes($conf); | |
804 | my $used_volids = {}; | |
805 | foreach my $vid (@$volidlist) { | |
806 | $used_volids->{$vid} = 1; | |
807 | } | |
808 | ||
809 | # remove 'unusedX' settings if the volume is still used | |
810 | foreach my $key (keys %$conf) { | |
811 | my $value = $conf->{$key}; | |
812 | if ($key =~ m/^unused/ && $used_volids->{$value}) { | |
813 | delete $conf->{$key}; | |
814 | } | |
815 | } | |
816 | ||
817 | my $generate_raw_config = sub { | |
818 | my ($conf) = @_; | |
819 | ||
820 | my $raw = ''; | |
821 | ||
822 | # add description as comment to top of file | |
823 | my $descr = $conf->{description} || ''; | |
824 | foreach my $cl (split(/\n/, $descr)) { | |
825 | $raw .= '#' . PVE::Tools::encode_text($cl) . "\n"; | |
826 | } | |
827 | ||
828 | foreach my $key (sort keys %$conf) { | |
829 | next if $key eq 'digest' || $key eq 'description' || | |
830 | $key eq 'pending' || $key eq 'snapshots' || | |
831 | $key eq 'snapname' || $key eq 'lxc'; | |
832 | my $value = $conf->{$key}; | |
833 | die "detected invalid newline inside property '$key'\n" | |
834 | if $value =~ m/\n/; | |
835 | $raw .= "$key: $value\n"; | |
836 | } | |
837 | ||
838 | if (my $lxcconf = $conf->{lxc}) { | |
839 | foreach my $entry (@$lxcconf) { | |
840 | my ($k, $v) = @$entry; | |
841 | $raw .= "$k: $v\n"; | |
842 | } | |
843 | } | |
844 | ||
845 | return $raw; | |
846 | }; | |
847 | ||
848 | my $raw = &$generate_raw_config($conf); | |
849 | ||
850 | foreach my $snapname (sort keys %{$conf->{snapshots}}) { | |
851 | $raw .= "\n[$snapname]\n"; | |
852 | $raw .= &$generate_raw_config($conf->{snapshots}->{$snapname}); | |
853 | } | |
854 | ||
855 | return $raw; | |
856 | } | |
857 | ||
858 | sub update_pct_config { | |
859 | my ($class, $vmid, $conf, $running, $param, $delete) = @_; | |
860 | ||
861 | my @nohotplug; | |
862 | ||
863 | my $new_disks = 0; | |
864 | my @deleted_volumes; | |
865 | ||
866 | my $rootdir; | |
867 | if ($running) { | |
868 | my $pid = PVE::LXC::find_lxc_pid($vmid); | |
869 | $rootdir = "/proc/$pid/root"; | |
870 | } | |
871 | ||
872 | my $hotplug_error = sub { | |
873 | if ($running) { | |
874 | push @nohotplug, @_; | |
875 | return 1; | |
876 | } else { | |
877 | return 0; | |
878 | } | |
879 | }; | |
880 | ||
881 | if (defined($delete)) { | |
882 | foreach my $opt (@$delete) { | |
883 | if (!exists($conf->{$opt})) { | |
a4a75420 | 884 | # silently ignore |
1b4cf758 FG |
885 | next; |
886 | } | |
887 | ||
e96a0ceb | 888 | if ($opt eq 'memory' || $opt eq 'rootfs') { |
1b4cf758 | 889 | die "unable to delete required option '$opt'\n"; |
e96a0ceb DC |
890 | } elsif ($opt eq 'hostname') { |
891 | delete $conf->{$opt}; | |
1b4cf758 FG |
892 | } elsif ($opt eq 'swap') { |
893 | delete $conf->{$opt}; | |
894 | PVE::LXC::write_cgroup_value("memory", $vmid, | |
895 | "memory.memsw.limit_in_bytes", -1); | |
1a416433 | 896 | } elsif ($opt eq 'description' || $opt eq 'onboot' || $opt eq 'startup' || $opt eq 'hookscript') { |
1b4cf758 FG |
897 | delete $conf->{$opt}; |
898 | } elsif ($opt eq 'nameserver' || $opt eq 'searchdomain' || | |
899 | $opt eq 'tty' || $opt eq 'console' || $opt eq 'cmode') { | |
900 | next if $hotplug_error->($opt); | |
901 | delete $conf->{$opt}; | |
f2357408 DM |
902 | } elsif ($opt eq 'cores') { |
903 | delete $conf->{$opt}; # rest is handled by pvestatd | |
d13b770f | 904 | } elsif ($opt eq 'cpulimit') { |
213d70e6 | 905 | PVE::LXC::write_cgroup_value("cpu", $vmid, "cpu.cfs_quota_us", -1); |
d13b770f WB |
906 | delete $conf->{$opt}; |
907 | } elsif ($opt eq 'cpuunits') { | |
908 | PVE::LXC::write_cgroup_value("cpu", $vmid, "cpu.shares", $confdesc->{cpuunits}->{default}); | |
909 | delete $conf->{$opt}; | |
1b4cf758 FG |
910 | } elsif ($opt =~ m/^net(\d)$/) { |
911 | delete $conf->{$opt}; | |
912 | next if !$running; | |
913 | my $netid = $1; | |
914 | PVE::Network::veth_delete("veth${vmid}i$netid"); | |
915 | } elsif ($opt eq 'protection') { | |
916 | delete $conf->{$opt}; | |
917 | } elsif ($opt =~ m/^unused(\d+)$/) { | |
918 | next if $hotplug_error->($opt); | |
919 | PVE::LXC::Config->check_protection($conf, "can't remove CT $vmid drive '$opt'"); | |
920 | push @deleted_volumes, $conf->{$opt}; | |
921 | delete $conf->{$opt}; | |
922 | } elsif ($opt =~ m/^mp(\d+)$/) { | |
923 | next if $hotplug_error->($opt); | |
924 | PVE::LXC::Config->check_protection($conf, "can't remove CT $vmid drive '$opt'"); | |
925 | my $mp = PVE::LXC::Config->parse_ct_mountpoint($conf->{$opt}); | |
926 | delete $conf->{$opt}; | |
927 | if ($mp->{type} eq 'volume') { | |
928 | PVE::LXC::Config->add_unused_volume($conf, $mp->{volume}); | |
929 | } | |
930 | } elsif ($opt eq 'unprivileged') { | |
931 | die "unable to delete read-only option: '$opt'\n"; | |
5a63f1c5 WB |
932 | } elsif ($opt eq 'features') { |
933 | next if $hotplug_error->($opt); | |
934 | delete $conf->{$opt}; | |
1b4cf758 FG |
935 | } else { |
936 | die "implement me (delete: $opt)" | |
937 | } | |
938 | PVE::LXC::Config->write_config($vmid, $conf) if $running; | |
939 | } | |
940 | } | |
941 | ||
942 | # There's no separate swap size to configure, there's memory and "total" | |
943 | # memory (iow. memory+swap). This means we have to change them together. | |
944 | my $wanted_memory = PVE::Tools::extract_param($param, 'memory'); | |
945 | my $wanted_swap = PVE::Tools::extract_param($param, 'swap'); | |
946 | if (defined($wanted_memory) || defined($wanted_swap)) { | |
947 | ||
948 | my $old_memory = ($conf->{memory} || 512); | |
949 | my $old_swap = ($conf->{swap} || 0); | |
950 | ||
951 | $wanted_memory //= $old_memory; | |
952 | $wanted_swap //= $old_swap; | |
953 | ||
954 | my $total = $wanted_memory + $wanted_swap; | |
955 | if ($running) { | |
956 | my $old_total = $old_memory + $old_swap; | |
957 | if ($total > $old_total) { | |
958 | PVE::LXC::write_cgroup_value("memory", $vmid, | |
959 | "memory.memsw.limit_in_bytes", | |
960 | int($total*1024*1024)); | |
961 | PVE::LXC::write_cgroup_value("memory", $vmid, | |
962 | "memory.limit_in_bytes", | |
963 | int($wanted_memory*1024*1024)); | |
964 | } else { | |
965 | PVE::LXC::write_cgroup_value("memory", $vmid, | |
966 | "memory.limit_in_bytes", | |
967 | int($wanted_memory*1024*1024)); | |
968 | PVE::LXC::write_cgroup_value("memory", $vmid, | |
969 | "memory.memsw.limit_in_bytes", | |
970 | int($total*1024*1024)); | |
971 | } | |
972 | } | |
973 | $conf->{memory} = $wanted_memory; | |
974 | $conf->{swap} = $wanted_swap; | |
975 | ||
976 | PVE::LXC::Config->write_config($vmid, $conf) if $running; | |
977 | } | |
978 | ||
f78c87a8 DM |
979 | my $storecfg = PVE::Storage::config(); |
980 | ||
1b4cf758 | 981 | my $used_volids = {}; |
1b3213ae FG |
982 | my $check_content_type = sub { |
983 | my ($mp) = @_; | |
984 | my $sid = PVE::Storage::parse_volume_id($mp->{volume}); | |
f78c87a8 | 985 | my $storage_config = PVE::Storage::storage_config($storecfg, $sid); |
1b3213ae FG |
986 | die "storage '$sid' does not allow content type 'rootdir' (Container)\n" |
987 | if !$storage_config->{content}->{rootdir}; | |
988 | }; | |
1b4cf758 | 989 | |
2718eec6 FG |
990 | my $rescan_volume = sub { |
991 | my ($mp) = @_; | |
992 | eval { | |
993 | $mp->{size} = PVE::Storage::volume_size_info($storecfg, $mp->{volume}, 5) | |
994 | if !defined($mp->{size}); | |
995 | }; | |
996 | warn "Could not rescan volume size - $@\n" if $@; | |
997 | }; | |
998 | ||
1b4cf758 FG |
999 | foreach my $opt (keys %$param) { |
1000 | my $value = $param->{$opt}; | |
1001 | my $check_protection_msg = "can't update CT $vmid drive '$opt'"; | |
f31bd6ae | 1002 | if ($opt eq 'hostname' || $opt eq 'arch') { |
1b4cf758 FG |
1003 | $conf->{$opt} = $value; |
1004 | } elsif ($opt eq 'onboot') { | |
1005 | $conf->{$opt} = $value ? 1 : 0; | |
1006 | } elsif ($opt eq 'startup') { | |
1007 | $conf->{$opt} = $value; | |
1008 | } elsif ($opt eq 'tty' || $opt eq 'console' || $opt eq 'cmode') { | |
1009 | next if $hotplug_error->($opt); | |
1010 | $conf->{$opt} = $value; | |
1011 | } elsif ($opt eq 'nameserver') { | |
1012 | next if $hotplug_error->($opt); | |
1013 | my $list = PVE::LXC::verify_nameserver_list($value); | |
1014 | $conf->{$opt} = $list; | |
1015 | } elsif ($opt eq 'searchdomain') { | |
1016 | next if $hotplug_error->($opt); | |
1017 | my $list = PVE::LXC::verify_searchdomain_list($value); | |
1018 | $conf->{$opt} = $list; | |
f2357408 DM |
1019 | } elsif ($opt eq 'cores') { |
1020 | $conf->{$opt} = $value;# rest is handled by pvestatd | |
1b4cf758 | 1021 | } elsif ($opt eq 'cpulimit') { |
115e5862 FG |
1022 | if ($value == 0) { |
1023 | PVE::LXC::write_cgroup_value("cpu", $vmid, "cpu.cfs_quota_us", -1); | |
1024 | } else { | |
1025 | PVE::LXC::write_cgroup_value("cpu", $vmid, "cpu.cfs_quota_us", int(100000*$value)); | |
1026 | } | |
1b4cf758 FG |
1027 | $conf->{$opt} = $value; |
1028 | } elsif ($opt eq 'cpuunits') { | |
1029 | $conf->{$opt} = $value; | |
1030 | PVE::LXC::write_cgroup_value("cpu", $vmid, "cpu.shares", $value); | |
1031 | } elsif ($opt eq 'description') { | |
d9c44e56 | 1032 | $conf->{$opt} = $value; |
1b4cf758 FG |
1033 | } elsif ($opt =~ m/^net(\d+)$/) { |
1034 | my $netid = $1; | |
1035 | my $net = PVE::LXC::Config->parse_lxc_network($value); | |
1036 | if (!$running) { | |
1037 | $conf->{$opt} = PVE::LXC::Config->print_lxc_network($net); | |
1038 | } else { | |
1039 | PVE::LXC::update_net($vmid, $conf, $opt, $net, $netid, $rootdir); | |
1040 | } | |
1041 | } elsif ($opt eq 'protection') { | |
1042 | $conf->{$opt} = $value ? 1 : 0; | |
1043 | } elsif ($opt =~ m/^mp(\d+)$/) { | |
1044 | next if $hotplug_error->($opt); | |
1045 | PVE::LXC::Config->check_protection($conf, $check_protection_msg); | |
1046 | my $old = $conf->{$opt}; | |
56d7fc1b FG |
1047 | my $mp = PVE::LXC::Config->parse_ct_mountpoint($value); |
1048 | if ($mp->{type} eq 'volume') { | |
1b3213ae | 1049 | &$check_content_type($mp); |
56d7fc1b | 1050 | $used_volids->{$mp->{volume}} = 1; |
2718eec6 FG |
1051 | &$rescan_volume($mp); |
1052 | $conf->{$opt} = PVE::LXC::Config->print_ct_mountpoint($mp); | |
1053 | } else { | |
1054 | $conf->{$opt} = $value; | |
56d7fc1b | 1055 | } |
1b4cf758 FG |
1056 | if (defined($old)) { |
1057 | my $mp = PVE::LXC::Config->parse_ct_mountpoint($old); | |
1058 | if ($mp->{type} eq 'volume') { | |
1059 | PVE::LXC::Config->add_unused_volume($conf, $mp->{volume}); | |
1060 | } | |
1061 | } | |
1062 | $new_disks = 1; | |
1b4cf758 FG |
1063 | } elsif ($opt eq 'rootfs') { |
1064 | next if $hotplug_error->($opt); | |
1065 | PVE::LXC::Config->check_protection($conf, $check_protection_msg); | |
1066 | my $old = $conf->{$opt}; | |
56d7fc1b FG |
1067 | my $mp = PVE::LXC::Config->parse_ct_rootfs($value); |
1068 | if ($mp->{type} eq 'volume') { | |
1b3213ae | 1069 | &$check_content_type($mp); |
56d7fc1b | 1070 | $used_volids->{$mp->{volume}} = 1; |
2718eec6 FG |
1071 | &$rescan_volume($mp); |
1072 | $conf->{$opt} = PVE::LXC::Config->print_ct_mountpoint($mp, 1); | |
1073 | } else { | |
1074 | $conf->{$opt} = $value; | |
56d7fc1b | 1075 | } |
1b4cf758 FG |
1076 | if (defined($old)) { |
1077 | my $mp = PVE::LXC::Config->parse_ct_rootfs($old); | |
1078 | if ($mp->{type} eq 'volume') { | |
1079 | PVE::LXC::Config->add_unused_volume($conf, $mp->{volume}); | |
1080 | } | |
1081 | } | |
1d9369fd | 1082 | $new_disks = 1; |
1b4cf758 FG |
1083 | } elsif ($opt eq 'unprivileged') { |
1084 | die "unable to modify read-only option: '$opt'\n"; | |
1085 | } elsif ($opt eq 'ostype') { | |
1086 | next if $hotplug_error->($opt); | |
1087 | $conf->{$opt} = $value; | |
5a63f1c5 WB |
1088 | } elsif ($opt eq 'features') { |
1089 | next if $hotplug_error->($opt); | |
1090 | $conf->{$opt} = $value; | |
1a416433 DC |
1091 | } elsif ($opt eq 'hookscript') { |
1092 | PVE::GuestHelpers::check_hookscript($value); | |
1093 | $conf->{$opt} = $value; | |
1b4cf758 FG |
1094 | } else { |
1095 | die "implement me: $opt"; | |
1096 | } | |
dc692997 | 1097 | |
76ec0820 | 1098 | PVE::LXC::Config->write_config($vmid, $conf) if $running; |
f8aa3d35 WL |
1099 | } |
1100 | ||
1b4cf758 FG |
1101 | # Apply deletions and creations of new volumes |
1102 | if (@deleted_volumes) { | |
1103 | my $storage_cfg = PVE::Storage::config(); | |
1104 | foreach my $volume (@deleted_volumes) { | |
1105 | next if $used_volids->{$volume}; # could have been re-added, too | |
1106 | # also check for references in snapshots | |
1107 | next if $class->is_volume_in_use($conf, $volume, 1); | |
1108 | PVE::LXC::delete_mountpoint_volume($storage_cfg, $vmid, $volume); | |
1109 | } | |
1110 | } | |
1111 | ||
1112 | if ($new_disks) { | |
1113 | my $storage_cfg = PVE::Storage::config(); | |
1114 | PVE::LXC::create_disks($storage_cfg, $vmid, $conf, $conf); | |
1115 | } | |
1116 | ||
1117 | # This should be the last thing we do here | |
1118 | if ($running && scalar(@nohotplug)) { | |
1119 | die "unable to modify " . join(',', @nohotplug) . " while container is running\n"; | |
1120 | } | |
1121 | } | |
1122 | ||
1123 | sub check_type { | |
1124 | my ($class, $key, $value) = @_; | |
1125 | ||
1126 | die "unknown setting '$key'\n" if !$confdesc->{$key}; | |
1127 | ||
1128 | my $type = $confdesc->{$key}->{type}; | |
1129 | ||
1130 | if (!defined($value)) { | |
1131 | die "got undefined value\n"; | |
1132 | } | |
1133 | ||
1134 | if ($value =~ m/[\n\r]/) { | |
1135 | die "property contains a line feed\n"; | |
1136 | } | |
1137 | ||
1138 | if ($type eq 'boolean') { | |
1139 | return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i); | |
1140 | return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i); | |
1141 | die "type check ('boolean') failed - got '$value'\n"; | |
1142 | } elsif ($type eq 'integer') { | |
1143 | return int($1) if $value =~ m/^(\d+)$/; | |
1144 | die "type check ('integer') failed - got '$value'\n"; | |
1145 | } elsif ($type eq 'number') { | |
1146 | return $value if $value =~ m/^(\d+)(\.\d+)?$/; | |
1147 | die "type check ('number') failed - got '$value'\n"; | |
1148 | } elsif ($type eq 'string') { | |
1149 | if (my $fmt = $confdesc->{$key}->{format}) { | |
1150 | PVE::JSONSchema::check_format($fmt, $value); | |
1151 | return $value; | |
1152 | } | |
1153 | return $value; | |
1154 | } else { | |
1155 | die "internal error" | |
1156 | } | |
1157 | } | |
1158 | ||
1159 | ||
1160 | # add JSON properties for create and set function | |
1161 | sub json_config_properties { | |
1162 | my ($class, $prop) = @_; | |
1163 | ||
1164 | foreach my $opt (keys %$confdesc) { | |
1165 | next if $opt eq 'parent' || $opt eq 'snaptime'; | |
1166 | next if $prop->{$opt}; | |
1167 | $prop->{$opt} = $confdesc->{$opt}; | |
1168 | } | |
1169 | ||
1170 | return $prop; | |
1171 | } | |
1172 | ||
1173 | sub __parse_ct_mountpoint_full { | |
1174 | my ($class, $desc, $data, $noerr) = @_; | |
1175 | ||
1176 | $data //= ''; | |
1177 | ||
1178 | my $res; | |
1179 | eval { $res = PVE::JSONSchema::parse_property_string($desc, $data) }; | |
1180 | if ($@) { | |
1181 | return undef if $noerr; | |
1182 | die $@; | |
1183 | } | |
1184 | ||
1185 | if (defined(my $size = $res->{size})) { | |
1186 | $size = PVE::JSONSchema::parse_size($size); | |
1187 | if (!defined($size)) { | |
1188 | return undef if $noerr; | |
1189 | die "invalid size: $size\n"; | |
1190 | } | |
1191 | $res->{size} = $size; | |
1192 | } | |
1193 | ||
1194 | $res->{type} = $class->classify_mountpoint($res->{volume}); | |
1195 | ||
1196 | return $res; | |
1197 | }; | |
1198 | ||
1199 | sub parse_ct_rootfs { | |
1200 | my ($class, $data, $noerr) = @_; | |
1201 | ||
1202 | my $res = $class->__parse_ct_mountpoint_full($rootfs_desc, $data, $noerr); | |
1203 | ||
1204 | $res->{mp} = '/' if defined($res); | |
1205 | ||
1206 | return $res; | |
1207 | } | |
1208 | ||
1209 | sub parse_ct_mountpoint { | |
1210 | my ($class, $data, $noerr) = @_; | |
1211 | ||
1212 | return $class->__parse_ct_mountpoint_full($mp_desc, $data, $noerr); | |
1213 | } | |
1214 | ||
1215 | sub print_ct_mountpoint { | |
1216 | my ($class, $info, $nomp) = @_; | |
1217 | my $skip = [ 'type' ]; | |
1218 | push @$skip, 'mp' if $nomp; | |
1219 | return PVE::JSONSchema::print_property_string($info, $mp_desc, $skip); | |
1220 | } | |
1221 | ||
1222 | sub print_lxc_network { | |
1223 | my ($class, $net) = @_; | |
1224 | return PVE::JSONSchema::print_property_string($net, $netconf_desc); | |
1225 | } | |
1226 | ||
1227 | sub parse_lxc_network { | |
1228 | my ($class, $data) = @_; | |
1229 | ||
1230 | my $res = {}; | |
1231 | ||
1232 | return $res if !$data; | |
1233 | ||
1234 | $res = PVE::JSONSchema::parse_property_string($netconf_desc, $data); | |
1235 | ||
1236 | $res->{type} = 'veth'; | |
2f19133b WB |
1237 | if (!$res->{hwaddr}) { |
1238 | my $dc = PVE::Cluster::cfs_read_file('datacenter.cfg'); | |
1239 | $res->{hwaddr} = PVE::Tools::random_ether_addr($dc->{mac_prefix}); | |
1240 | } | |
1b4cf758 FG |
1241 | |
1242 | return $res; | |
1243 | } | |
1244 | ||
5a63f1c5 WB |
1245 | sub parse_features { |
1246 | my ($class, $data) = @_; | |
1247 | return {} if !$data; | |
1248 | return PVE::JSONSchema::parse_property_string($features_desc, $data); | |
1249 | } | |
1250 | ||
1b4cf758 FG |
1251 | sub option_exists { |
1252 | my ($class, $name) = @_; | |
1253 | ||
1254 | return defined($confdesc->{$name}); | |
1255 | } | |
1256 | # END JSON config code | |
1257 | ||
d250604f FG |
1258 | sub classify_mountpoint { |
1259 | my ($class, $vol) = @_; | |
1260 | if ($vol =~ m!^/!) { | |
1261 | return 'device' if $vol =~ m!^/dev/!; | |
1262 | return 'bind'; | |
1263 | } | |
1264 | return 'volume'; | |
1265 | } | |
1266 | ||
72e6bc20 WB |
1267 | my $is_volume_in_use = sub { |
1268 | my ($class, $config, $volid) = @_; | |
d250604f FG |
1269 | my $used = 0; |
1270 | ||
1271 | $class->foreach_mountpoint($config, sub { | |
1272 | my ($ms, $mountpoint) = @_; | |
1273 | return if $used; | |
1274 | $used = $mountpoint->{type} eq 'volume' && $mountpoint->{volume} eq $volid; | |
1275 | }); | |
1276 | ||
72e6bc20 WB |
1277 | return $used; |
1278 | }; | |
1279 | ||
1280 | sub is_volume_in_use_by_snapshots { | |
1281 | my ($class, $config, $volid) = @_; | |
1282 | ||
1283 | if (my $snapshots = $config->{snapshots}) { | |
d250604f | 1284 | foreach my $snap (keys %$snapshots) { |
72e6bc20 | 1285 | return 1 if $is_volume_in_use->($class, $snapshots->{$snap}, $volid); |
d250604f FG |
1286 | } |
1287 | } | |
1288 | ||
72e6bc20 WB |
1289 | return 0; |
1290 | }; | |
1291 | ||
1292 | sub is_volume_in_use { | |
1293 | my ($class, $config, $volid, $include_snapshots) = @_; | |
1294 | return 1 if $is_volume_in_use->($class, $config, $volid); | |
1295 | return 1 if $include_snapshots && $class->is_volume_in_use_by_snapshots($config, $volid); | |
1296 | return 0; | |
d250604f FG |
1297 | } |
1298 | ||
1299 | sub has_dev_console { | |
1300 | my ($class, $conf) = @_; | |
1301 | ||
1302 | return !(defined($conf->{console}) && !$conf->{console}); | |
1303 | } | |
1304 | ||
be7942f0 DM |
1305 | sub has_lxc_entry { |
1306 | my ($class, $conf, $keyname) = @_; | |
1307 | ||
1308 | if (my $lxcconf = $conf->{lxc}) { | |
1309 | foreach my $entry (@$lxcconf) { | |
1310 | my ($key, undef) = @$entry; | |
1311 | return 1 if $key eq $keyname; | |
1312 | } | |
1313 | } | |
1314 | ||
1315 | return 0; | |
1316 | } | |
1317 | ||
1b4cf758 FG |
1318 | sub get_tty_count { |
1319 | my ($class, $conf) = @_; | |
1320 | ||
1321 | return $conf->{tty} // $confdesc->{tty}->{default}; | |
1322 | } | |
1323 | ||
1324 | sub get_cmode { | |
1325 | my ($class, $conf) = @_; | |
1326 | ||
1327 | return $conf->{cmode} // $confdesc->{cmode}->{default}; | |
1328 | } | |
1329 | ||
d250604f FG |
1330 | sub mountpoint_names { |
1331 | my ($class, $reverse) = @_; | |
1332 | ||
1333 | my @names = ('rootfs'); | |
1334 | ||
1335 | for (my $i = 0; $i < $MAX_MOUNT_POINTS; $i++) { | |
1336 | push @names, "mp$i"; | |
1337 | } | |
1338 | ||
1339 | return $reverse ? reverse @names : @names; | |
1340 | } | |
1341 | ||
1342 | sub foreach_mountpoint_full { | |
8915b450 | 1343 | my ($class, $conf, $reverse, $func, @param) = @_; |
d250604f | 1344 | |
717f70b7 FG |
1345 | my $mps = [ grep { defined($conf->{$_}) } $class->mountpoint_names($reverse) ]; |
1346 | foreach my $key (@$mps) { | |
d250604f | 1347 | my $value = $conf->{$key}; |
1b4cf758 | 1348 | my $mountpoint = $key eq 'rootfs' ? $class->parse_ct_rootfs($value, 1) : $class->parse_ct_mountpoint($value, 1); |
d250604f FG |
1349 | next if !defined($mountpoint); |
1350 | ||
8915b450 | 1351 | &$func($key, $mountpoint, @param); |
d250604f FG |
1352 | } |
1353 | } | |
1354 | ||
1355 | sub foreach_mountpoint { | |
8915b450 | 1356 | my ($class, $conf, $func, @param) = @_; |
d250604f | 1357 | |
8915b450 | 1358 | $class->foreach_mountpoint_full($conf, 0, $func, @param); |
d250604f FG |
1359 | } |
1360 | ||
1361 | sub foreach_mountpoint_reverse { | |
8915b450 | 1362 | my ($class, $conf, $func, @param) = @_; |
d250604f | 1363 | |
8915b450 | 1364 | $class->foreach_mountpoint_full($conf, 1, $func, @param); |
d250604f FG |
1365 | } |
1366 | ||
1367 | sub get_vm_volumes { | |
1368 | my ($class, $conf, $excludes) = @_; | |
1369 | ||
1370 | my $vollist = []; | |
1371 | ||
1372 | $class->foreach_mountpoint($conf, sub { | |
1373 | my ($ms, $mountpoint) = @_; | |
1374 | ||
1375 | return if $excludes && $ms eq $excludes; | |
1376 | ||
1377 | my $volid = $mountpoint->{volume}; | |
1378 | return if !$volid || $mountpoint->{type} ne 'volume'; | |
1379 | ||
1380 | my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1); | |
1381 | return if !$sid; | |
1382 | ||
1383 | push @$vollist, $volid; | |
1384 | }); | |
1385 | ||
1386 | return $vollist; | |
1387 | } | |
1388 | ||
f78c87a8 | 1389 | sub get_replicatable_volumes { |
70996986 | 1390 | my ($class, $storecfg, $vmid, $conf, $cleanup, $noerr) = @_; |
f78c87a8 DM |
1391 | |
1392 | my $volhash = {}; | |
1393 | ||
1394 | my $test_volid = sub { | |
1395 | my ($volid, $mountpoint) = @_; | |
1396 | ||
1397 | return if !$volid; | |
1398 | ||
5cf90b0c | 1399 | my $mptype = $mountpoint->{type}; |
896cd762 | 1400 | my $replicate = $mountpoint->{replicate} // 1; |
d2a046b7 DC |
1401 | |
1402 | if ($mptype ne 'volume') { | |
1403 | # skip bindmounts if replicate = 0 even for cleanup, | |
1404 | # since bind mounts could not have been replicated ever | |
1405 | return if !$replicate; | |
1406 | die "unable to replicate mountpoint type '$mptype'\n"; | |
1407 | } | |
5cf90b0c DM |
1408 | |
1409 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid, $noerr); | |
1410 | return if !$storeid; | |
1411 | ||
af21e699 | 1412 | my $scfg = PVE::Storage::storage_config($storecfg, $storeid); |
5cf90b0c DM |
1413 | return if $scfg->{shared}; |
1414 | ||
1415 | my ($path, $owner, $vtype) = PVE::Storage::path($storecfg, $volid); | |
1416 | return if !$owner || ($owner != $vmid); | |
1417 | ||
1418 | die "unable to replicate volume '$volid', type '$vtype'\n" if $vtype ne 'images'; | |
1419 | ||
d2a046b7 | 1420 | return if !$cleanup && !$replicate; |
f78c87a8 DM |
1421 | |
1422 | if (!PVE::Storage::volume_has_feature($storecfg, 'replicate', $volid)) { | |
e65dce6b | 1423 | return if $cleanup || $noerr; |
f78c87a8 DM |
1424 | die "missing replicate feature on volume '$volid'\n"; |
1425 | } | |
1426 | ||
1427 | $volhash->{$volid} = 1; | |
1428 | }; | |
1429 | ||
1430 | $class->foreach_mountpoint($conf, sub { | |
1431 | my ($ms, $mountpoint) = @_; | |
1432 | $test_volid->($mountpoint->{volume}, $mountpoint); | |
1433 | }); | |
1434 | ||
1435 | foreach my $snapname (keys %{$conf->{snapshots}}) { | |
1436 | my $snap = $conf->{snapshots}->{$snapname}; | |
1437 | $class->foreach_mountpoint($snap, sub { | |
1438 | my ($ms, $mountpoint) = @_; | |
1439 | $test_volid->($mountpoint->{volume}, $mountpoint); | |
1440 | }); | |
1441 | } | |
1442 | ||
b03664ae DM |
1443 | # add 'unusedX' volumes to volhash |
1444 | foreach my $key (keys %$conf) { | |
1445 | if ($key =~ m/^unused/) { | |
1446 | $test_volid->($conf->{$key}, { type => 'volume', replicate => 1 }); | |
1447 | } | |
1448 | } | |
1449 | ||
f78c87a8 DM |
1450 | return $volhash; |
1451 | } | |
1452 | ||
1453 | 1; |