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1 package PVE::API2::LXC;
2
3 use strict;
4 use warnings;
5
6 use PVE::SafeSyslog;
7 use PVE::Tools qw(extract_param run_command);
8 use PVE::Exception qw(raise raise_param_exc);
9 use PVE::INotify;
10 use PVE::Cluster qw(cfs_read_file);
11 use PVE::AccessControl;
12 use PVE::Firewall;
13 use PVE::Storage;
14 use PVE::RESTHandler;
15 use PVE::RPCEnvironment;
16 use PVE::ReplicationConfig;
17 use PVE::LXC;
18 use PVE::LXC::Create;
19 use PVE::LXC::Migrate;
20 use PVE::GuestHelpers;
21 use PVE::API2::LXC::Config;
22 use PVE::API2::LXC::Status;
23 use PVE::API2::LXC::Snapshot;
24 use PVE::JSONSchema qw(get_standard_option);
25 use base qw(PVE::RESTHandler);
26
27 BEGIN {
28 if (!$ENV{PVE_GENERATING_DOCS}) {
29 require PVE::HA::Env::PVE2;
30 import PVE::HA::Env::PVE2;
31 require PVE::HA::Config;
32 import PVE::HA::Config;
33 }
34 }
35
36 __PACKAGE__->register_method ({
37 subclass => "PVE::API2::LXC::Config",
38 path => '{vmid}/config',
39 });
40
41 __PACKAGE__->register_method ({
42 subclass => "PVE::API2::LXC::Status",
43 path => '{vmid}/status',
44 });
45
46 __PACKAGE__->register_method ({
47 subclass => "PVE::API2::LXC::Snapshot",
48 path => '{vmid}/snapshot',
49 });
50
51 __PACKAGE__->register_method ({
52 subclass => "PVE::API2::Firewall::CT",
53 path => '{vmid}/firewall',
54 });
55
56 __PACKAGE__->register_method({
57 name => 'vmlist',
58 path => '',
59 method => 'GET',
60 description => "LXC container index (per node).",
61 permissions => {
62 description => "Only list CTs where you have VM.Audit permissons on /vms/<vmid>.",
63 user => 'all',
64 },
65 proxyto => 'node',
66 protected => 1, # /proc files are only readable by root
67 parameters => {
68 additionalProperties => 0,
69 properties => {
70 node => get_standard_option('pve-node'),
71 },
72 },
73 returns => {
74 type => 'array',
75 items => {
76 type => "object",
77 properties => {},
78 },
79 links => [ { rel => 'child', href => "{vmid}" } ],
80 },
81 code => sub {
82 my ($param) = @_;
83
84 my $rpcenv = PVE::RPCEnvironment::get();
85 my $authuser = $rpcenv->get_user();
86
87 my $vmstatus = PVE::LXC::vmstatus();
88
89 my $res = [];
90 foreach my $vmid (keys %$vmstatus) {
91 next if !$rpcenv->check($authuser, "/vms/$vmid", [ 'VM.Audit' ], 1);
92
93 my $data = $vmstatus->{$vmid};
94 $data->{vmid} = $vmid;
95 push @$res, $data;
96 }
97
98 return $res;
99
100 }});
101
102 __PACKAGE__->register_method({
103 name => 'create_vm',
104 path => '',
105 method => 'POST',
106 description => "Create or restore a container.",
107 permissions => {
108 user => 'all', # check inside
109 description => "You need 'VM.Allocate' permissions on /vms/{vmid} or on the VM pool /pool/{pool}. " .
110 "For restore, it is enough if the user has 'VM.Backup' permission and the VM already exists. " .
111 "You also need 'Datastore.AllocateSpace' permissions on the storage.",
112 },
113 protected => 1,
114 proxyto => 'node',
115 parameters => {
116 additionalProperties => 0,
117 properties => PVE::LXC::Config->json_config_properties({
118 node => get_standard_option('pve-node'),
119 vmid => get_standard_option('pve-vmid', { completion => \&PVE::Cluster::complete_next_vmid }),
120 ostemplate => {
121 description => "The OS template or backup file.",
122 type => 'string',
123 maxLength => 255,
124 completion => \&PVE::LXC::complete_os_templates,
125 },
126 password => {
127 optional => 1,
128 type => 'string',
129 description => "Sets root password inside container.",
130 minLength => 5,
131 },
132 storage => get_standard_option('pve-storage-id', {
133 description => "Default Storage.",
134 default => 'local',
135 optional => 1,
136 completion => \&PVE::Storage::complete_storage_enabled,
137 }),
138 force => {
139 optional => 1,
140 type => 'boolean',
141 description => "Allow to overwrite existing container.",
142 },
143 restore => {
144 optional => 1,
145 type => 'boolean',
146 description => "Mark this as restore task.",
147 },
148 pool => {
149 optional => 1,
150 type => 'string', format => 'pve-poolid',
151 description => "Add the VM to the specified pool.",
152 },
153 'ignore-unpack-errors' => {
154 optional => 1,
155 type => 'boolean',
156 description => "Ignore errors when extracting the template.",
157 },
158 'ssh-public-keys' => {
159 optional => 1,
160 type => 'string',
161 description => "Setup public SSH keys (one key per line, " .
162 "OpenSSH format).",
163 },
164 }),
165 },
166 returns => {
167 type => 'string',
168 },
169 code => sub {
170 my ($param) = @_;
171
172 my $rpcenv = PVE::RPCEnvironment::get();
173
174 my $authuser = $rpcenv->get_user();
175
176 my $node = extract_param($param, 'node');
177
178 my $vmid = extract_param($param, 'vmid');
179
180 my $ignore_unpack_errors = extract_param($param, 'ignore-unpack-errors');
181
182 my $basecfg_fn = PVE::LXC::Config->config_file($vmid);
183
184 my $same_container_exists = -f $basecfg_fn;
185
186 # 'unprivileged' is read-only, so we can't pass it to update_pct_config
187 my $unprivileged = extract_param($param, 'unprivileged');
188
189 my $restore = extract_param($param, 'restore');
190
191 if ($restore) {
192 # fixme: limit allowed parameters
193
194 }
195
196 my $force = extract_param($param, 'force');
197
198 if (!($same_container_exists && $restore && $force)) {
199 PVE::Cluster::check_vmid_unused($vmid);
200 } else {
201 my $conf = PVE::LXC::Config->load_config($vmid);
202 PVE::LXC::Config->check_protection($conf, "unable to restore CT $vmid");
203 }
204
205 my $password = extract_param($param, 'password');
206
207 my $ssh_keys = extract_param($param, 'ssh-public-keys');
208 PVE::Tools::validate_ssh_public_keys($ssh_keys) if defined($ssh_keys);
209
210 my $pool = extract_param($param, 'pool');
211
212 if (defined($pool)) {
213 $rpcenv->check_pool_exist($pool);
214 $rpcenv->check_perm_modify($authuser, "/pool/$pool");
215 }
216
217 if ($rpcenv->check($authuser, "/vms/$vmid", ['VM.Allocate'], 1)) {
218 # OK
219 } elsif ($pool && $rpcenv->check($authuser, "/pool/$pool", ['VM.Allocate'], 1)) {
220 # OK
221 } elsif ($restore && $force && $same_container_exists &&
222 $rpcenv->check($authuser, "/vms/$vmid", ['VM.Backup'], 1)) {
223 # OK: user has VM.Backup permissions, and want to restore an existing VM
224 } else {
225 raise_perm_exc();
226 }
227
228 my $ostemplate = extract_param($param, 'ostemplate');
229 my $storage = extract_param($param, 'storage') // 'local';
230
231 PVE::LXC::check_ct_modify_config_perm($rpcenv, $authuser, $vmid, $pool, $param, []);
232
233 my $storage_cfg = cfs_read_file("storage.cfg");
234
235
236 my $archive;
237
238 if ($ostemplate eq '-') {
239 die "pipe requires cli environment\n"
240 if $rpcenv->{type} ne 'cli';
241 die "pipe can only be used with restore tasks\n"
242 if !$restore;
243 $archive = '-';
244 die "restore from pipe requires rootfs parameter\n" if !defined($param->{rootfs});
245 } else {
246 PVE::Storage::check_volume_access($rpcenv, $authuser, $storage_cfg, $vmid, $ostemplate);
247 $archive = PVE::Storage::abs_filesystem_path($storage_cfg, $ostemplate);
248 }
249
250 my $check_and_activate_storage = sub {
251 my ($sid) = @_;
252
253 my $scfg = PVE::Storage::storage_check_node($storage_cfg, $sid, $node);
254
255 raise_param_exc({ storage => "storage '$sid' does not support container directories"})
256 if !$scfg->{content}->{rootdir};
257
258 $rpcenv->check($authuser, "/storage/$sid", ['Datastore.AllocateSpace']);
259
260 PVE::Storage::activate_storage($storage_cfg, $sid);
261 };
262
263 my $conf = {};
264
265 my $no_disk_param = {};
266 my $mp_param = {};
267 my $storage_only_mode = 1;
268 foreach my $opt (keys %$param) {
269 my $value = $param->{$opt};
270 if ($opt eq 'rootfs' || $opt =~ m/^mp\d+$/) {
271 # allow to use simple numbers (add default storage in that case)
272 if ($value =~ m/^\d+(\.\d+)?$/) {
273 $mp_param->{$opt} = "$storage:$value";
274 } else {
275 $mp_param->{$opt} = $value;
276 }
277 $storage_only_mode = 0;
278 } elsif ($opt =~ m/^unused\d+$/) {
279 warn "ignoring '$opt', cannot create/restore with unused volume\n";
280 delete $param->{$opt};
281 } else {
282 $no_disk_param->{$opt} = $value;
283 }
284 }
285
286 die "mount points configured, but 'rootfs' not set - aborting\n"
287 if !$storage_only_mode && !defined($mp_param->{rootfs});
288
289 # check storage access, activate storage
290 my $delayed_mp_param = {};
291 PVE::LXC::Config->foreach_mountpoint($mp_param, sub {
292 my ($ms, $mountpoint) = @_;
293
294 my $volid = $mountpoint->{volume};
295 my $mp = $mountpoint->{mp};
296
297 if ($mountpoint->{type} ne 'volume') { # bind or device
298 die "Only root can pass arbitrary filesystem paths.\n"
299 if $authuser ne 'root@pam';
300 } else {
301 my ($sid, $volname) = PVE::Storage::parse_volume_id($volid);
302 &$check_and_activate_storage($sid);
303 }
304 });
305
306 # check/activate default storage
307 &$check_and_activate_storage($storage) if !defined($mp_param->{rootfs});
308
309 PVE::LXC::Config->update_pct_config($vmid, $conf, 0, $no_disk_param);
310
311 $conf->{unprivileged} = 1 if $unprivileged;
312
313 my $check_vmid_usage = sub {
314 if ($force) {
315 die "can't overwrite running container\n"
316 if PVE::LXC::check_running($vmid);
317 } else {
318 PVE::Cluster::check_vmid_unused($vmid);
319 }
320 };
321
322 my $code = sub {
323 &$check_vmid_usage(); # final check after locking
324 my $old_conf;
325
326 my $config_fn = PVE::LXC::Config->config_file($vmid);
327 if (-f $config_fn) {
328 die "container exists" if !$restore; # just to be sure
329 $old_conf = PVE::LXC::Config->load_config($vmid);
330 } else {
331 eval {
332 # try to create empty config on local node, we have an flock
333 PVE::LXC::Config->write_config($vmid, {});
334 };
335
336 # another node was faster, abort
337 die "Could not reserve ID $vmid, already taken\n" if $@;
338 }
339
340 PVE::Cluster::check_cfs_quorum();
341 my $vollist = [];
342
343 eval {
344 if ($storage_only_mode) {
345 if ($restore) {
346 (undef, $mp_param) = PVE::LXC::Create::recover_config($archive);
347 die "rootfs configuration could not be recovered, please check and specify manually!\n"
348 if !defined($mp_param->{rootfs});
349 PVE::LXC::Config->foreach_mountpoint($mp_param, sub {
350 my ($ms, $mountpoint) = @_;
351 my $type = $mountpoint->{type};
352 if ($type eq 'volume') {
353 die "unable to detect disk size - please specify $ms (size)\n"
354 if !defined($mountpoint->{size});
355 my $disksize = $mountpoint->{size} / (1024 * 1024 * 1024); # create_disks expects GB as unit size
356 delete $mountpoint->{size};
357 $mountpoint->{volume} = "$storage:$disksize";
358 $mp_param->{$ms} = PVE::LXC::Config->print_ct_mountpoint($mountpoint, $ms eq 'rootfs');
359 } else {
360 my $type = $mountpoint->{type};
361 die "restoring rootfs to $type mount is only possible by specifying -rootfs manually!\n"
362 if ($ms eq 'rootfs');
363 die "restoring '$ms' to $type mount is only possible for root\n"
364 if $authuser ne 'root@pam';
365
366 if ($mountpoint->{backup}) {
367 warn "WARNING - unsupported configuration!\n";
368 warn "backup was enabled for $type mount point $ms ('$mountpoint->{mp}')\n";
369 warn "mount point configuration will be restored after archive extraction!\n";
370 warn "contained files will be restored to wrong directory!\n";
371 }
372 delete $mp_param->{$ms}; # actually delay bind/dev mps
373 $delayed_mp_param->{$ms} = PVE::LXC::Config->print_ct_mountpoint($mountpoint, $ms eq 'rootfs');
374 }
375 });
376 } else {
377 $mp_param->{rootfs} = "$storage:4"; # defaults to 4GB
378 }
379 }
380
381 $vollist = PVE::LXC::create_disks($storage_cfg, $vmid, $mp_param, $conf);
382
383 if (defined($old_conf)) {
384 # destroy old container volumes
385 PVE::LXC::destroy_lxc_container($storage_cfg, $vmid, $old_conf, {});
386 }
387
388 eval {
389 my $rootdir = PVE::LXC::mount_all($vmid, $storage_cfg, $conf, 1);
390 PVE::LXC::Create::restore_archive($archive, $rootdir, $conf, $ignore_unpack_errors);
391
392 if ($restore) {
393 PVE::LXC::Create::restore_configuration($vmid, $rootdir, $conf, $authuser ne 'root@pam');
394 } else {
395 my $lxc_setup = PVE::LXC::Setup->new($conf, $rootdir); # detect OS
396 PVE::LXC::Config->write_config($vmid, $conf); # safe config (after OS detection)
397 $lxc_setup->post_create_hook($password, $ssh_keys);
398 }
399 };
400 my $err = $@;
401 PVE::LXC::umount_all($vmid, $storage_cfg, $conf, $err ? 1 : 0);
402 PVE::Storage::deactivate_volumes($storage_cfg, PVE::LXC::Config->get_vm_volumes($conf));
403 die $err if $err;
404 # set some defaults
405 $conf->{hostname} ||= "CT$vmid";
406 $conf->{memory} ||= 512;
407 $conf->{swap} //= 512;
408 foreach my $mp (keys %$delayed_mp_param) {
409 $conf->{$mp} = $delayed_mp_param->{$mp};
410 }
411 PVE::LXC::Config->write_config($vmid, $conf);
412 };
413 if (my $err = $@) {
414 PVE::LXC::destroy_disks($storage_cfg, $vollist);
415 PVE::LXC::destroy_config($vmid);
416 die $err;
417 }
418 PVE::AccessControl::add_vm_to_pool($vmid, $pool) if $pool;
419 };
420
421 my $realcmd = sub { PVE::LXC::Config->lock_config($vmid, $code); };
422
423 &$check_vmid_usage(); # first check before locking
424
425 return $rpcenv->fork_worker($restore ? 'vzrestore' : 'vzcreate',
426 $vmid, $authuser, $realcmd);
427
428 }});
429
430 __PACKAGE__->register_method({
431 name => 'vmdiridx',
432 path => '{vmid}',
433 method => 'GET',
434 proxyto => 'node',
435 description => "Directory index",
436 permissions => {
437 user => 'all',
438 },
439 parameters => {
440 additionalProperties => 0,
441 properties => {
442 node => get_standard_option('pve-node'),
443 vmid => get_standard_option('pve-vmid'),
444 },
445 },
446 returns => {
447 type => 'array',
448 items => {
449 type => "object",
450 properties => {
451 subdir => { type => 'string' },
452 },
453 },
454 links => [ { rel => 'child', href => "{subdir}" } ],
455 },
456 code => sub {
457 my ($param) = @_;
458
459 # test if VM exists
460 my $conf = PVE::LXC::Config->load_config($param->{vmid});
461
462 my $res = [
463 { subdir => 'config' },
464 { subdir => 'status' },
465 { subdir => 'vncproxy' },
466 { subdir => 'vncwebsocket' },
467 { subdir => 'spiceproxy' },
468 { subdir => 'migrate' },
469 { subdir => 'clone' },
470 # { subdir => 'initlog' },
471 { subdir => 'rrd' },
472 { subdir => 'rrddata' },
473 { subdir => 'firewall' },
474 { subdir => 'snapshot' },
475 { subdir => 'resize' },
476 ];
477
478 return $res;
479 }});
480
481
482 __PACKAGE__->register_method({
483 name => 'rrd',
484 path => '{vmid}/rrd',
485 method => 'GET',
486 protected => 1, # fixme: can we avoid that?
487 permissions => {
488 check => ['perm', '/vms/{vmid}', [ 'VM.Audit' ]],
489 },
490 description => "Read VM RRD statistics (returns PNG)",
491 parameters => {
492 additionalProperties => 0,
493 properties => {
494 node => get_standard_option('pve-node'),
495 vmid => get_standard_option('pve-vmid'),
496 timeframe => {
497 description => "Specify the time frame you are interested in.",
498 type => 'string',
499 enum => [ 'hour', 'day', 'week', 'month', 'year' ],
500 },
501 ds => {
502 description => "The list of datasources you want to display.",
503 type => 'string', format => 'pve-configid-list',
504 },
505 cf => {
506 description => "The RRD consolidation function",
507 type => 'string',
508 enum => [ 'AVERAGE', 'MAX' ],
509 optional => 1,
510 },
511 },
512 },
513 returns => {
514 type => "object",
515 properties => {
516 filename => { type => 'string' },
517 },
518 },
519 code => sub {
520 my ($param) = @_;
521
522 return PVE::Cluster::create_rrd_graph(
523 "pve2-vm/$param->{vmid}", $param->{timeframe},
524 $param->{ds}, $param->{cf});
525
526 }});
527
528 __PACKAGE__->register_method({
529 name => 'rrddata',
530 path => '{vmid}/rrddata',
531 method => 'GET',
532 protected => 1, # fixme: can we avoid that?
533 permissions => {
534 check => ['perm', '/vms/{vmid}', [ 'VM.Audit' ]],
535 },
536 description => "Read VM RRD statistics",
537 parameters => {
538 additionalProperties => 0,
539 properties => {
540 node => get_standard_option('pve-node'),
541 vmid => get_standard_option('pve-vmid'),
542 timeframe => {
543 description => "Specify the time frame you are interested in.",
544 type => 'string',
545 enum => [ 'hour', 'day', 'week', 'month', 'year' ],
546 },
547 cf => {
548 description => "The RRD consolidation function",
549 type => 'string',
550 enum => [ 'AVERAGE', 'MAX' ],
551 optional => 1,
552 },
553 },
554 },
555 returns => {
556 type => "array",
557 items => {
558 type => "object",
559 properties => {},
560 },
561 },
562 code => sub {
563 my ($param) = @_;
564
565 return PVE::Cluster::create_rrd_data(
566 "pve2-vm/$param->{vmid}", $param->{timeframe}, $param->{cf});
567 }});
568
569 __PACKAGE__->register_method({
570 name => 'destroy_vm',
571 path => '{vmid}',
572 method => 'DELETE',
573 protected => 1,
574 proxyto => 'node',
575 description => "Destroy the container (also delete all uses files).",
576 permissions => {
577 check => [ 'perm', '/vms/{vmid}', ['VM.Allocate']],
578 },
579 parameters => {
580 additionalProperties => 0,
581 properties => {
582 node => get_standard_option('pve-node'),
583 vmid => get_standard_option('pve-vmid', { completion => \&PVE::LXC::complete_ctid_stopped }),
584 },
585 },
586 returns => {
587 type => 'string',
588 },
589 code => sub {
590 my ($param) = @_;
591
592 my $rpcenv = PVE::RPCEnvironment::get();
593
594 my $authuser = $rpcenv->get_user();
595
596 my $vmid = $param->{vmid};
597
598 # test if container exists
599 my $conf = PVE::LXC::Config->load_config($vmid);
600
601 my $storage_cfg = cfs_read_file("storage.cfg");
602
603 PVE::LXC::Config->check_protection($conf, "can't remove CT $vmid");
604
605 die "unable to remove CT $vmid - used in HA resources\n"
606 if PVE::HA::Config::vm_is_ha_managed($vmid);
607
608 # do not allow destroy if there are replication jobs
609 my $repl_conf = PVE::ReplicationConfig->new();
610 $repl_conf->check_for_existing_jobs($vmid);
611
612 my $running_error_msg = "unable to destroy CT $vmid - container is running\n";
613
614 die $running_error_msg if PVE::LXC::check_running($vmid); # check early
615
616 my $code = sub {
617 # reload config after lock
618 $conf = PVE::LXC::Config->load_config($vmid);
619 PVE::LXC::Config->check_lock($conf);
620
621 die $running_error_msg if PVE::LXC::check_running($vmid);
622
623 PVE::LXC::destroy_lxc_container($storage_cfg, $vmid, $conf);
624 PVE::AccessControl::remove_vm_access($vmid);
625 PVE::Firewall::remove_vmfw_conf($vmid);
626 };
627
628 my $realcmd = sub { PVE::LXC::Config->lock_config($vmid, $code); };
629
630 return $rpcenv->fork_worker('vzdestroy', $vmid, $authuser, $realcmd);
631 }});
632
633 my $sslcert;
634
635 __PACKAGE__->register_method ({
636 name => 'vncproxy',
637 path => '{vmid}/vncproxy',
638 method => 'POST',
639 protected => 1,
640 permissions => {
641 check => ['perm', '/vms/{vmid}', [ 'VM.Console' ]],
642 },
643 description => "Creates a TCP VNC proxy connections.",
644 parameters => {
645 additionalProperties => 0,
646 properties => {
647 node => get_standard_option('pve-node'),
648 vmid => get_standard_option('pve-vmid'),
649 websocket => {
650 optional => 1,
651 type => 'boolean',
652 description => "use websocket instead of standard VNC.",
653 },
654 width => {
655 optional => 1,
656 description => "sets the width of the console in pixels.",
657 type => 'integer',
658 minimum => 16,
659 maximum => 4096,
660 },
661 height => {
662 optional => 1,
663 description => "sets the height of the console in pixels.",
664 type => 'integer',
665 minimum => 16,
666 maximum => 2160,
667 },
668 },
669 },
670 returns => {
671 additionalProperties => 0,
672 properties => {
673 user => { type => 'string' },
674 ticket => { type => 'string' },
675 cert => { type => 'string' },
676 port => { type => 'integer' },
677 upid => { type => 'string' },
678 },
679 },
680 code => sub {
681 my ($param) = @_;
682
683 my $rpcenv = PVE::RPCEnvironment::get();
684
685 my $authuser = $rpcenv->get_user();
686
687 my $vmid = $param->{vmid};
688 my $node = $param->{node};
689
690 my $authpath = "/vms/$vmid";
691
692 my $ticket = PVE::AccessControl::assemble_vnc_ticket($authuser, $authpath);
693
694 $sslcert = PVE::Tools::file_get_contents("/etc/pve/pve-root-ca.pem", 8192)
695 if !$sslcert;
696
697 my ($remip, $family);
698
699 if ($node ne PVE::INotify::nodename()) {
700 ($remip, $family) = PVE::Cluster::remote_node_ip($node);
701 } else {
702 $family = PVE::Tools::get_host_address_family($node);
703 }
704
705 my $port = PVE::Tools::next_vnc_port($family);
706
707 # NOTE: vncterm VNC traffic is already TLS encrypted,
708 # so we select the fastest chipher here (or 'none'?)
709 my $remcmd = $remip ?
710 ['/usr/bin/ssh', '-t', $remip] : [];
711
712 my $conf = PVE::LXC::Config->load_config($vmid, $node);
713 my $concmd = PVE::LXC::get_console_command($vmid, $conf);
714
715 my $shcmd = [ '/usr/bin/dtach', '-A',
716 "/var/run/dtach/vzctlconsole$vmid",
717 '-r', 'winch', '-z', @$concmd];
718
719 my $realcmd = sub {
720 my $upid = shift;
721
722 syslog ('info', "starting lxc vnc proxy $upid\n");
723
724 my $timeout = 10;
725
726 my $cmd = ['/usr/bin/vncterm', '-rfbport', $port,
727 '-timeout', $timeout, '-authpath', $authpath,
728 '-perm', 'VM.Console'];
729
730 if ($param->{width}) {
731 push @$cmd, '-width', $param->{width};
732 }
733
734 if ($param->{height}) {
735 push @$cmd, '-height', $param->{height};
736 }
737
738 if ($param->{websocket}) {
739 $ENV{PVE_VNC_TICKET} = $ticket; # pass ticket to vncterm
740 push @$cmd, '-notls', '-listen', 'localhost';
741 }
742
743 push @$cmd, '-c', @$remcmd, @$shcmd;
744
745 run_command($cmd, keeplocale => 1);
746
747 return;
748 };
749
750 my $upid = $rpcenv->fork_worker('vncproxy', $vmid, $authuser, $realcmd);
751
752 PVE::Tools::wait_for_vnc_port($port);
753
754 return {
755 user => $authuser,
756 ticket => $ticket,
757 port => $port,
758 upid => $upid,
759 cert => $sslcert,
760 };
761 }});
762
763 __PACKAGE__->register_method({
764 name => 'vncwebsocket',
765 path => '{vmid}/vncwebsocket',
766 method => 'GET',
767 permissions => {
768 description => "You also need to pass a valid ticket (vncticket).",
769 check => ['perm', '/vms/{vmid}', [ 'VM.Console' ]],
770 },
771 description => "Opens a weksocket for VNC traffic.",
772 parameters => {
773 additionalProperties => 0,
774 properties => {
775 node => get_standard_option('pve-node'),
776 vmid => get_standard_option('pve-vmid'),
777 vncticket => {
778 description => "Ticket from previous call to vncproxy.",
779 type => 'string',
780 maxLength => 512,
781 },
782 port => {
783 description => "Port number returned by previous vncproxy call.",
784 type => 'integer',
785 minimum => 5900,
786 maximum => 5999,
787 },
788 },
789 },
790 returns => {
791 type => "object",
792 properties => {
793 port => { type => 'string' },
794 },
795 },
796 code => sub {
797 my ($param) = @_;
798
799 my $rpcenv = PVE::RPCEnvironment::get();
800
801 my $authuser = $rpcenv->get_user();
802
803 my $authpath = "/vms/$param->{vmid}";
804
805 PVE::AccessControl::verify_vnc_ticket($param->{vncticket}, $authuser, $authpath);
806
807 my $port = $param->{port};
808
809 return { port => $port };
810 }});
811
812 __PACKAGE__->register_method ({
813 name => 'spiceproxy',
814 path => '{vmid}/spiceproxy',
815 method => 'POST',
816 protected => 1,
817 proxyto => 'node',
818 permissions => {
819 check => ['perm', '/vms/{vmid}', [ 'VM.Console' ]],
820 },
821 description => "Returns a SPICE configuration to connect to the CT.",
822 parameters => {
823 additionalProperties => 0,
824 properties => {
825 node => get_standard_option('pve-node'),
826 vmid => get_standard_option('pve-vmid'),
827 proxy => get_standard_option('spice-proxy', { optional => 1 }),
828 },
829 },
830 returns => get_standard_option('remote-viewer-config'),
831 code => sub {
832 my ($param) = @_;
833
834 my $vmid = $param->{vmid};
835 my $node = $param->{node};
836 my $proxy = $param->{proxy};
837
838 my $authpath = "/vms/$vmid";
839 my $permissions = 'VM.Console';
840
841 my $conf = PVE::LXC::Config->load_config($vmid);
842
843 die "CT $vmid not running\n" if !PVE::LXC::check_running($vmid);
844
845 my $concmd = PVE::LXC::get_console_command($vmid, $conf);
846
847 my $shcmd = ['/usr/bin/dtach', '-A',
848 "/var/run/dtach/vzctlconsole$vmid",
849 '-r', 'winch', '-z', @$concmd];
850
851 my $title = "CT $vmid";
852
853 return PVE::API2Tools::run_spiceterm($authpath, $permissions, $vmid, $node, $proxy, $title, $shcmd);
854 }});
855
856
857 __PACKAGE__->register_method({
858 name => 'migrate_vm',
859 path => '{vmid}/migrate',
860 method => 'POST',
861 protected => 1,
862 proxyto => 'node',
863 description => "Migrate the container to another node. Creates a new migration task.",
864 permissions => {
865 check => ['perm', '/vms/{vmid}', [ 'VM.Migrate' ]],
866 },
867 parameters => {
868 additionalProperties => 0,
869 properties => {
870 node => get_standard_option('pve-node'),
871 vmid => get_standard_option('pve-vmid', { completion => \&PVE::LXC::complete_ctid }),
872 target => get_standard_option('pve-node', {
873 description => "Target node.",
874 completion => \&PVE::Cluster::complete_migration_target,
875 }),
876 online => {
877 type => 'boolean',
878 description => "Use online/live migration.",
879 optional => 1,
880 },
881 restart => {
882 type => 'boolean',
883 description => "Use restart migration",
884 optional => 1,
885 },
886 timeout => {
887 type => 'integer',
888 description => "Timeout in seconds for shutdown for restart migration",
889 optional => 1,
890 default => 180,
891 },
892 force => {
893 type => 'boolean',
894 description => "Force migration despite local bind / device" .
895 " mounts. NOTE: deprecated, use 'shared' property of mount point instead.",
896 optional => 1,
897 },
898 },
899 },
900 returns => {
901 type => 'string',
902 description => "the task ID.",
903 },
904 code => sub {
905 my ($param) = @_;
906
907 my $rpcenv = PVE::RPCEnvironment::get();
908
909 my $authuser = $rpcenv->get_user();
910
911 my $target = extract_param($param, 'target');
912
913 my $localnode = PVE::INotify::nodename();
914 raise_param_exc({ target => "target is local node."}) if $target eq $localnode;
915
916 PVE::Cluster::check_cfs_quorum();
917
918 PVE::Cluster::check_node_exists($target);
919
920 my $targetip = PVE::Cluster::remote_node_ip($target);
921
922 my $vmid = extract_param($param, 'vmid');
923
924 # test if VM exists
925 PVE::LXC::Config->load_config($vmid);
926
927 # try to detect errors early
928 if (PVE::LXC::check_running($vmid)) {
929 die "can't migrate running container without --online or --restart\n"
930 if !$param->{online} && !$param->{restart};
931 }
932
933 if (PVE::HA::Config::vm_is_ha_managed($vmid) && $rpcenv->{type} ne 'ha') {
934
935 my $hacmd = sub {
936 my $upid = shift;
937
938 my $service = "ct:$vmid";
939
940 my $cmd = ['ha-manager', 'migrate', $service, $target];
941
942 print "Requesting HA migration for CT $vmid to node $target\n";
943
944 PVE::Tools::run_command($cmd);
945
946 return;
947 };
948
949 return $rpcenv->fork_worker('hamigrate', $vmid, $authuser, $hacmd);
950
951 } else {
952
953 my $realcmd = sub {
954 PVE::LXC::Migrate->migrate($target, $targetip, $vmid, $param);
955 };
956
957 my $worker = sub {
958 return PVE::GuestHelpers::guest_migration_lock($vmid, 10, $realcmd);
959 };
960
961 return $rpcenv->fork_worker('vzmigrate', $vmid, $authuser, $worker);
962 }
963 }});
964
965 __PACKAGE__->register_method({
966 name => 'vm_feature',
967 path => '{vmid}/feature',
968 method => 'GET',
969 proxyto => 'node',
970 protected => 1,
971 description => "Check if feature for virtual machine is available.",
972 permissions => {
973 check => ['perm', '/vms/{vmid}', [ 'VM.Audit' ]],
974 },
975 parameters => {
976 additionalProperties => 0,
977 properties => {
978 node => get_standard_option('pve-node'),
979 vmid => get_standard_option('pve-vmid'),
980 feature => {
981 description => "Feature to check.",
982 type => 'string',
983 enum => [ 'snapshot' ],
984 },
985 snapname => get_standard_option('pve-lxc-snapshot-name', {
986 optional => 1,
987 }),
988 },
989 },
990 returns => {
991 type => "object",
992 properties => {
993 hasFeature => { type => 'boolean' },
994 #nodes => {
995 #type => 'array',
996 #items => { type => 'string' },
997 #}
998 },
999 },
1000 code => sub {
1001 my ($param) = @_;
1002
1003 my $node = extract_param($param, 'node');
1004
1005 my $vmid = extract_param($param, 'vmid');
1006
1007 my $snapname = extract_param($param, 'snapname');
1008
1009 my $feature = extract_param($param, 'feature');
1010
1011 my $conf = PVE::LXC::Config->load_config($vmid);
1012
1013 if($snapname){
1014 my $snap = $conf->{snapshots}->{$snapname};
1015 die "snapshot '$snapname' does not exist\n" if !defined($snap);
1016 $conf = $snap;
1017 }
1018 my $storage_cfg = PVE::Storage::config();
1019 #Maybe include later
1020 #my $nodelist = PVE::LXC::shared_nodes($conf, $storage_cfg);
1021 my $hasFeature = PVE::LXC::Config->has_feature($feature, $conf, $storage_cfg, $snapname);
1022
1023 return {
1024 hasFeature => $hasFeature,
1025 #nodes => [ keys %$nodelist ],
1026 };
1027 }});
1028
1029 __PACKAGE__->register_method({
1030 name => 'template',
1031 path => '{vmid}/template',
1032 method => 'POST',
1033 protected => 1,
1034 proxyto => 'node',
1035 description => "Create a Template.",
1036 permissions => {
1037 description => "You need 'VM.Allocate' permissions on /vms/{vmid}",
1038 check => [ 'perm', '/vms/{vmid}', ['VM.Allocate']],
1039 },
1040 parameters => {
1041 additionalProperties => 0,
1042 properties => {
1043 node => get_standard_option('pve-node'),
1044 vmid => get_standard_option('pve-vmid', { completion => \&PVE::LXC::complete_ctid_stopped }),
1045 experimental => {
1046 type => 'boolean',
1047 description => "The template feature is experimental, set this " .
1048 "flag if you know what you are doing.",
1049 default => 0,
1050 },
1051 },
1052 },
1053 returns => { type => 'null'},
1054 code => sub {
1055 my ($param) = @_;
1056
1057 my $rpcenv = PVE::RPCEnvironment::get();
1058
1059 my $authuser = $rpcenv->get_user();
1060
1061 my $node = extract_param($param, 'node');
1062
1063 my $vmid = extract_param($param, 'vmid');
1064
1065 my $updatefn = sub {
1066
1067 my $conf = PVE::LXC::Config->load_config($vmid);
1068 PVE::LXC::Config->check_lock($conf);
1069
1070 die "unable to create template, because CT contains snapshots\n"
1071 if $conf->{snapshots} && scalar(keys %{$conf->{snapshots}});
1072
1073 die "you can't convert a template to a template\n"
1074 if PVE::LXC::Config->is_template($conf);
1075
1076 die "you can't convert a CT to template if the CT is running\n"
1077 if PVE::LXC::check_running($vmid);
1078
1079 my $realcmd = sub {
1080 PVE::LXC::template_create($vmid, $conf);
1081 };
1082
1083 $conf->{template} = 1;
1084
1085 PVE::LXC::Config->write_config($vmid, $conf);
1086 # and remove lxc config
1087 PVE::LXC::update_lxc_config($vmid, $conf);
1088
1089 return $rpcenv->fork_worker('vztemplate', $vmid, $authuser, $realcmd);
1090 };
1091
1092 PVE::LXC::Config->lock_config($vmid, $updatefn);
1093
1094 return undef;
1095 }});
1096
1097 __PACKAGE__->register_method({
1098 name => 'clone_vm',
1099 path => '{vmid}/clone',
1100 method => 'POST',
1101 protected => 1,
1102 proxyto => 'node',
1103 description => "Create a container clone/copy",
1104 permissions => {
1105 description => "You need 'VM.Clone' permissions on /vms/{vmid}, " .
1106 "and 'VM.Allocate' permissions " .
1107 "on /vms/{newid} (or on the VM pool /pool/{pool}). You also need " .
1108 "'Datastore.AllocateSpace' on any used storage.",
1109 check =>
1110 [ 'and',
1111 ['perm', '/vms/{vmid}', [ 'VM.Clone' ]],
1112 [ 'or',
1113 [ 'perm', '/vms/{newid}', ['VM.Allocate']],
1114 [ 'perm', '/pool/{pool}', ['VM.Allocate'], require_param => 'pool'],
1115 ],
1116 ]
1117 },
1118 parameters => {
1119 additionalProperties => 0,
1120 properties => {
1121 node => get_standard_option('pve-node'),
1122 vmid => get_standard_option('pve-vmid', { completion => \&PVE::LXC::complete_ctid }),
1123 newid => get_standard_option('pve-vmid', {
1124 completion => \&PVE::Cluster::complete_next_vmid,
1125 description => 'VMID for the clone.' }),
1126 hostname => {
1127 optional => 1,
1128 type => 'string', format => 'dns-name',
1129 description => "Set a hostname for the new CT.",
1130 },
1131 description => {
1132 optional => 1,
1133 type => 'string',
1134 description => "Description for the new CT.",
1135 },
1136 pool => {
1137 optional => 1,
1138 type => 'string', format => 'pve-poolid',
1139 description => "Add the new CT to the specified pool.",
1140 },
1141 snapname => get_standard_option('pve-lxc-snapshot-name', {
1142 optional => 1,
1143 }),
1144 storage => get_standard_option('pve-storage-id', {
1145 description => "Target storage for full clone.",
1146 requires => 'full',
1147 optional => 1,
1148 }),
1149 full => {
1150 optional => 1,
1151 type => 'boolean',
1152 description => "Create a full copy of all disk. This is always done when " .
1153 "you clone a normal CT. For CT templates, we try to create a linked clone by default.",
1154 default => 0,
1155 },
1156 experimental => {
1157 type => 'boolean',
1158 description => "The clone feature is experimental, set this " .
1159 "flag if you know what you are doing.",
1160 default => 0,
1161 },
1162 # target => get_standard_option('pve-node', {
1163 # description => "Target node. Only allowed if the original VM is on shared storage.",
1164 # optional => 1,
1165 # }),
1166 },
1167 },
1168 returns => {
1169 type => 'string',
1170 },
1171 code => sub {
1172 my ($param) = @_;
1173
1174 my $rpcenv = PVE::RPCEnvironment::get();
1175
1176 my $authuser = $rpcenv->get_user();
1177
1178 my $node = extract_param($param, 'node');
1179
1180 my $vmid = extract_param($param, 'vmid');
1181
1182 my $newid = extract_param($param, 'newid');
1183
1184 my $pool = extract_param($param, 'pool');
1185
1186 if (defined($pool)) {
1187 $rpcenv->check_pool_exist($pool);
1188 }
1189
1190 my $snapname = extract_param($param, 'snapname');
1191
1192 my $storage = extract_param($param, 'storage');
1193
1194 my $localnode = PVE::INotify::nodename();
1195
1196 my $storecfg = PVE::Storage::config();
1197
1198 if ($storage) {
1199 # check if storage is enabled on local node
1200 PVE::Storage::storage_check_enabled($storecfg, $storage);
1201 }
1202
1203 PVE::Cluster::check_cfs_quorum();
1204
1205 my $running = PVE::LXC::check_running($vmid) || 0;
1206
1207 my $clonefn = sub {
1208
1209 # do all tests after lock
1210 # we also try to do all tests before we fork the worker
1211 my $conf = PVE::LXC::Config->load_config($vmid);
1212
1213 PVE::LXC::Config->check_lock($conf);
1214
1215 my $verify_running = PVE::LXC::check_running($vmid) || 0;
1216
1217 die "unexpected state change\n" if $verify_running != $running;
1218
1219 die "snapshot '$snapname' does not exist\n"
1220 if $snapname && !defined( $conf->{snapshots}->{$snapname});
1221
1222 my $oldconf = $snapname ? $conf->{snapshots}->{$snapname} : $conf;
1223
1224 my $conffile = PVE::LXC::Config->config_file($newid);
1225 die "unable to create CT $newid: config file already exists\n"
1226 if -f $conffile;
1227
1228 my $newconf = { lock => 'clone' };
1229 my $mountpoints = {};
1230 my $fullclone = {};
1231 my $vollist = [];
1232
1233 foreach my $opt (keys %$oldconf) {
1234 my $value = $oldconf->{$opt};
1235
1236 # no need to copy unused images, because VMID(owner) changes anyways
1237 next if $opt =~ m/^unused\d+$/;
1238
1239 if (($opt eq 'rootfs') || ($opt =~ m/^mp\d+$/)) {
1240 my $mp = $opt eq 'rootfs' ?
1241 PVE::LXC::Config->parse_ct_rootfs($value) :
1242 PVE::LXC::Config->parse_ct_mountpoint($value);
1243
1244 if ($mp->{type} eq 'volume') {
1245 my $volid = $mp->{volume};
1246 if ($param->{full}) {
1247 die "fixme: full clone not implemented";
1248
1249 die "Full clone feature for '$volid' is not available\n"
1250 if !PVE::Storage::volume_has_feature($storecfg, 'copy', $volid, $snapname, $running);
1251 $fullclone->{$opt} = 1;
1252 } else {
1253 # not full means clone instead of copy
1254 die "Linked clone feature for '$volid' is not available\n"
1255 if !PVE::Storage::volume_has_feature($storecfg, 'clone', $volid, $snapname, $running);
1256 }
1257
1258 $mountpoints->{$opt} = $mp;
1259 push @$vollist, $volid;
1260
1261 } else {
1262 # TODO: allow bind mounts?
1263 die "unable to clone mountpint '$opt' (type $mp->{type})\n";
1264 }
1265
1266 } else {
1267 # copy everything else
1268 $newconf->{$opt} = $value;
1269 }
1270 }
1271
1272 delete $newconf->{template};
1273 if ($param->{hostname}) {
1274 $newconf->{hostname} = $param->{hostname};
1275 }
1276
1277 if ($param->{description}) {
1278 $newconf->{description} = $param->{description};
1279 }
1280
1281 # create empty/temp config - this fails if CT already exists on other node
1282 PVE::Tools::file_set_contents($conffile, "# ctclone temporary file\nlock: clone\n");
1283
1284 my $realcmd = sub {
1285 my $upid = shift;
1286
1287 my $newvollist = [];
1288
1289 eval {
1290 local $SIG{INT} =
1291 local $SIG{TERM} =
1292 local $SIG{QUIT} =
1293 local $SIG{HUP} = sub { die "interrupted by signal\n"; };
1294
1295 PVE::Storage::activate_volumes($storecfg, $vollist, $snapname);
1296
1297 foreach my $opt (keys %$mountpoints) {
1298 my $mp = $mountpoints->{$opt};
1299 my $volid = $mp->{volume};
1300
1301 if ($fullclone->{$opt}) {
1302 die "fixme: full clone not implemented\n";
1303 } else {
1304 print "create linked clone of mount point $opt ($volid)\n";
1305 my $newvolid = PVE::Storage::vdisk_clone($storecfg, $volid, $newid, $snapname);
1306 push @$newvollist, $newvolid;
1307 $mp->{volume} = $newvolid;
1308
1309 $newconf->{$opt} = PVE::LXC::Config->print_ct_mountpoint($mp, $opt eq 'rootfs');
1310 PVE::LXC::Config->write_config($newid, $newconf);
1311 }
1312 }
1313
1314 delete $newconf->{lock};
1315 PVE::LXC::Config->write_config($newid, $newconf);
1316
1317 PVE::AccessControl::add_vm_to_pool($newid, $pool) if $pool;
1318 };
1319 if (my $err = $@) {
1320 unlink $conffile;
1321
1322 sleep 1; # some storage like rbd need to wait before release volume - really?
1323
1324 foreach my $volid (@$newvollist) {
1325 eval { PVE::Storage::vdisk_free($storecfg, $volid); };
1326 warn $@ if $@;
1327 }
1328 die "clone failed: $err";
1329 }
1330
1331 return;
1332 };
1333
1334 PVE::Firewall::clone_vmfw_conf($vmid, $newid);
1335
1336 return $rpcenv->fork_worker('vzclone', $vmid, $authuser, $realcmd);
1337
1338 };
1339
1340 return PVE::LXC::Config->lock_config($vmid, $clonefn);
1341 }});
1342
1343
1344 __PACKAGE__->register_method({
1345 name => 'resize_vm',
1346 path => '{vmid}/resize',
1347 method => 'PUT',
1348 protected => 1,
1349 proxyto => 'node',
1350 description => "Resize a container mount point.",
1351 permissions => {
1352 check => ['perm', '/vms/{vmid}', ['VM.Config.Disk'], any => 1],
1353 },
1354 parameters => {
1355 additionalProperties => 0,
1356 properties => {
1357 node => get_standard_option('pve-node'),
1358 vmid => get_standard_option('pve-vmid', { completion => \&PVE::LXC::complete_ctid }),
1359 disk => {
1360 type => 'string',
1361 description => "The disk you want to resize.",
1362 enum => [PVE::LXC::Config->mountpoint_names()],
1363 },
1364 size => {
1365 type => 'string',
1366 pattern => '\+?\d+(\.\d+)?[KMGT]?',
1367 description => "The new size. With the '+' sign the value is added to the actual size of the volume and without it, the value is taken as an absolute one. Shrinking disk size is not supported.",
1368 },
1369 digest => {
1370 type => 'string',
1371 description => 'Prevent changes if current configuration file has different SHA1 digest. This can be used to prevent concurrent modifications.',
1372 maxLength => 40,
1373 optional => 1,
1374 }
1375 },
1376 },
1377 returns => {
1378 type => 'string',
1379 description => "the task ID.",
1380 },
1381 code => sub {
1382 my ($param) = @_;
1383
1384 my $rpcenv = PVE::RPCEnvironment::get();
1385
1386 my $authuser = $rpcenv->get_user();
1387
1388 my $node = extract_param($param, 'node');
1389
1390 my $vmid = extract_param($param, 'vmid');
1391
1392 my $digest = extract_param($param, 'digest');
1393
1394 my $sizestr = extract_param($param, 'size');
1395 my $ext = ($sizestr =~ s/^\+//);
1396 my $newsize = PVE::JSONSchema::parse_size($sizestr);
1397 die "invalid size string" if !defined($newsize);
1398
1399 die "no options specified\n" if !scalar(keys %$param);
1400
1401 PVE::LXC::check_ct_modify_config_perm($rpcenv, $authuser, $vmid, undef, $param, []);
1402
1403 my $storage_cfg = cfs_read_file("storage.cfg");
1404
1405 my $code = sub {
1406
1407 my $conf = PVE::LXC::Config->load_config($vmid);
1408 PVE::LXC::Config->check_lock($conf);
1409
1410 PVE::Tools::assert_if_modified($digest, $conf->{digest});
1411
1412 my $running = PVE::LXC::check_running($vmid);
1413
1414 my $disk = $param->{disk};
1415 my $mp = $disk eq 'rootfs' ? PVE::LXC::Config->parse_ct_rootfs($conf->{$disk}) :
1416 PVE::LXC::Config->parse_ct_mountpoint($conf->{$disk});
1417
1418 my $volid = $mp->{volume};
1419
1420 my (undef, undef, $owner, undef, undef, undef, $format) =
1421 PVE::Storage::parse_volname($storage_cfg, $volid);
1422
1423 die "can't resize mount point owned by another container ($owner)"
1424 if $vmid != $owner;
1425
1426 die "can't resize volume: $disk if snapshot exists\n"
1427 if %{$conf->{snapshots}} && $format eq 'qcow2';
1428
1429 my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid);
1430
1431 $rpcenv->check($authuser, "/storage/$storeid", ['Datastore.AllocateSpace']);
1432
1433 PVE::Storage::activate_volumes($storage_cfg, [$volid]);
1434
1435 my $size = PVE::Storage::volume_size_info($storage_cfg, $volid, 5);
1436 $newsize += $size if $ext;
1437 $newsize = int($newsize);
1438
1439 die "unable to shrink disk size\n" if $newsize < $size;
1440
1441 return if $size == $newsize;
1442
1443 PVE::Cluster::log_msg('info', $authuser, "update CT $vmid: resize --disk $disk --size $sizestr");
1444 my $realcmd = sub {
1445 # Note: PVE::Storage::volume_resize doesn't do anything if $running=1, so
1446 # we pass 0 here (parameter only makes sense for qemu)
1447 PVE::Storage::volume_resize($storage_cfg, $volid, $newsize, 0);
1448
1449 $mp->{size} = $newsize;
1450 $conf->{$disk} = PVE::LXC::Config->print_ct_mountpoint($mp, $disk eq 'rootfs');
1451
1452 PVE::LXC::Config->write_config($vmid, $conf);
1453
1454 if ($format eq 'raw') {
1455 my $path = PVE::Storage::path($storage_cfg, $volid, undef);
1456 if ($running) {
1457
1458 $mp->{mp} = '/';
1459 my $use_loopdev = (PVE::LXC::mountpoint_mount_path($mp, $storage_cfg))[1];
1460 $path = PVE::LXC::query_loopdev($path) if $use_loopdev;
1461 die "internal error: CT running but mount point not attached to a loop device"
1462 if !$path;
1463 PVE::Tools::run_command(['losetup', '--set-capacity', $path]) if $use_loopdev;
1464
1465 # In order for resize2fs to know that we need online-resizing a mountpoint needs
1466 # to be visible to it in its namespace.
1467 # To not interfere with the rest of the system we unshare the current mount namespace,
1468 # mount over /tmp and then run resize2fs.
1469
1470 # interestingly we don't need to e2fsck on mounted systems...
1471 my $quoted = PVE::Tools::shellquote($path);
1472 my $cmd = "mount --make-rprivate / && mount $quoted /tmp && resize2fs $quoted";
1473 eval {
1474 PVE::Tools::run_command(['unshare', '-m', '--', 'sh', '-c', $cmd]);
1475 };
1476 warn "Failed to update the container's filesystem: $@\n" if $@;
1477 } else {
1478 eval {
1479 PVE::Tools::run_command(['e2fsck', '-f', '-y', $path]);
1480 PVE::Tools::run_command(['resize2fs', $path]);
1481 };
1482 warn "Failed to update the container's filesystem: $@\n" if $@;
1483 }
1484 }
1485 };
1486
1487 return $rpcenv->fork_worker('resize', $vmid, $authuser, $realcmd);
1488 };
1489
1490 return PVE::LXC::Config->lock_config($vmid, $code);;
1491 }});
1492
1493 1;