Ravada.pm 68.3 KB
Newer Older
1
2
3
4
5
package Ravada;

use warnings;
use strict;

6
our $VERSION = '0.3.0';
Francesc Guasch's avatar
Francesc Guasch committed
7

8
use Carp qw(carp croak);
9
use Data::Dumper;
10
use DBIx::Connector;
11
use File::Copy;
12
use Hash::Util qw(lock_hash);
13
use Moose;
Francesc Guasch's avatar
Francesc Guasch committed
14
use POSIX qw(WNOHANG);
15
16
use YAML;

17
18
use Socket qw( inet_aton inet_ntoa );

Francesc Guasch's avatar
Francesc Guasch committed
19
20
21
no warnings "experimental::signatures";
use feature qw(signatures);

Francesc Guasch's avatar
Francesc Guasch committed
22
use Ravada::Auth;
23
use Ravada::Request;
24
use Ravada::VM::Void;
25

Francesc Guasch's avatar
Francesc Guasch committed
26
our %VALID_VM;
Francesc Guasch's avatar
Francesc Guasch committed
27
our %ERROR_VM;
Francesc Guasch's avatar
Francesc Guasch committed
28
29
30
31
32
33
34

eval {
    require Ravada::VM::KVM and do {
        Ravada::VM::KVM->import;
    };
    $VALID_VM{KVM} = 1;
};
Francesc Guasch's avatar
Francesc Guasch committed
35
36
37
38
39
40
41
42
43
$ERROR_VM{KVM} = $@;

eval {
    require Ravada::VM::Void and do {
        Ravada::VM::Void->import;
    };
    $VALID_VM{Void} = 1;
};
$ERROR_VM{Void} = $@;
Francesc Guasch's avatar
Francesc Guasch committed
44

45
46
47
no warnings "experimental::signatures";
use feature qw(signatures);

Francesc Guasch's avatar
Francesc Guasch committed
48
49
50
51
52
53
54
55
56
57
58
59
=head1 NAME

Ravada - Remove Virtual Desktop Manager

=head1 SYNOPSIS

  use Ravada;

  my $ravada = Ravada->new()

=cut

60
61

our $FILE_CONFIG = "/etc/ravada.conf";
62
$FILE_CONFIG = undef if ! -e $FILE_CONFIG;
63
64
65
66
67

###########################################################################

our $CONNECTOR;
our $CONFIG = {};
68
our $DEBUG;
69
our $CAN_FORK = 1;
70
our $CAN_LXC = 0;
71
72
73
74

# Seconds to wait for other long process
our $SECONDS_WAIT_CHILDREN = 2;
# Limit for long processes
75
our $LIMIT_PROCESS = 2;
76
77
our $LIMIT_HUGE_PROCESS = 1;

78
79
our $DIR_SQL = "sql/mysql";
$DIR_SQL = "/usr/share/doc/ravada/sql/mysql" if ! -e $DIR_SQL;
80

81
# LONG commands take long
82
our %HUGE_COMMAND = map { $_ => 1 } qw(download);
Francesc Guasch's avatar
Francesc Guasch committed
83
our %LONG_COMMAND =  map { $_ => 1 } (qw(prepare_base remove_base screenshot shutdown force_shutdown ), keys %HUGE_COMMAND);
84

85
86
87
our $USER_DAEMON;
our $USER_DAEMON_NAME = 'daemon';

88
89
90
91
92
93
94
95
has 'vm' => (
          is => 'ro'
        ,isa => 'ArrayRef'
       ,lazy => 1
     , builder => '_create_vm'
);

has 'connector' => (
96
97
98
99
100
101
        is => 'rw'
);

has 'config' => (
    is => 'ro'
    ,isa => 'Str'
102
103
);

104
105
106
107
108
109
has 'warn_error' => (
    is => 'rw'
    ,isa => 'Bool'
    ,default => sub { 1 }
);

Francesc Guasch's avatar
Francesc Guasch committed
110
111
112
113
114
115
116
=head2 BUILD

Internal constructor

=cut


117
118
sub BUILD {
    my $self = shift;
119
    if ($self->config()) {
120
        _init_config($self->config);
121
    } else {
122
        _init_config($FILE_CONFIG) if $FILE_CONFIG && -e $FILE_CONFIG;
123
    }
124

Francesc Guasch's avatar
Francesc Guasch committed
125
    if ( $self->connector ) {
joansp's avatar
joansp committed
126
        $CONNECTOR = $self->connector
Francesc Guasch's avatar
Francesc Guasch committed
127
128
    } else {
        $CONNECTOR = $self->_connect_dbh();
129
        $self->connector($CONNECTOR);
Francesc Guasch's avatar
Francesc Guasch committed
130
    }
Francesc Guasch's avatar
Francesc Guasch committed
131
    Ravada::Auth::init($CONFIG);
132

133
    $self->_create_tables();
134
    $self->_upgrade_tables();
135
    $self->_update_data();
136
    $self->_init_user_daemon();
137
138
}

139
140
141
142
143
144
145
146
147
148
149
150
151
152
sub _init_user_daemon {
    my $self = shift;
    return if $USER_DAEMON;

    $USER_DAEMON = Ravada::Auth::SQL->new(name => $USER_DAEMON_NAME);
    if (!$USER_DAEMON->id) {
        $USER_DAEMON = Ravada::Auth::SQL::add_user(
            name => $USER_DAEMON_NAME,
            is_admin => 1
        );
        $USER_DAEMON = Ravada::Auth::SQL->new(name => $USER_DAEMON_NAME);
    }

}
153
154
sub _update_user_grants {
    my $self = shift;
Francesc Guasch's avatar
Francesc Guasch committed
155
    $self->_init_user_daemon();
156
157
158
    my $sth = $CONNECTOR->dbh->prepare("SELECT id FROM users");
    my $id;
    $sth->execute;
Francesc Guasch's avatar
Francesc Guasch committed
159
    $sth->bind_columns(\$id);
160
161
    while ($sth->fetch) {
        my $user = Ravada::Auth::SQL->search_by_id($id);
Francesc Guasch's avatar
Francesc Guasch committed
162
163
        next if $user->name() eq $USER_DAEMON_NAME;

164
        next if $user->grants();
165
166
        $USER_DAEMON->grant_user_permissions($user);
        $USER_DAEMON->grant_admin_permissions($user)    if $user->is_admin;
167
168
169
170
    }
    $sth->finish;
}

171
172
173
174
175
sub _update_isos {
    my $self = shift;
    my $table = 'iso_images';
    my $field = 'name';
    my %data = (
fv3rdugo's avatar
fv3rdugo committed
176
        mate_artful => {
Fernando Verdugo's avatar
Fernando Verdugo committed
177
                    name => 'Ubuntu Mate Artful'
fv3rdugo's avatar
fv3rdugo committed
178
179
180
181
182
183
            ,description => 'Ubuntu Mate 17.10.1 (Artful) 64 bits'
                   ,arch => 'amd64'
                    ,xml => 'yakkety64-amd64.xml'
             ,xml_volume => 'yakkety64-volume.xml'
                    ,url => 'http://cdimage.ubuntu.com/ubuntu-mate/releases/17.10.*/release/ubuntu-mate-17.10.*-desktop-amd64.iso'
                ,md5_url => '$url/MD5SUMS'
184
                ,min_disk_size => '10'
fv3rdugo's avatar
fv3rdugo committed
185
186
        },
        mate_xenial => {
Fernando Verdugo's avatar
Fernando Verdugo committed
187
                    name => 'Ubuntu Mate Xenial'
fv3rdugo's avatar
fv3rdugo committed
188
189
190
191
192
193
            ,description => 'Ubuntu Mate 16.04.3 (Xenial) 64 bits'
                   ,arch => 'amd64'
                    ,xml => 'yakkety64-amd64.xml'
             ,xml_volume => 'yakkety64-volume.xml'
                    ,url => 'http://cdimage.ubuntu.com/ubuntu-mate/releases/16.04.*/release/ubuntu-mate-16.04.*-desktop-amd64.iso'
                ,md5_url => '$url/MD5SUMS'
194
                ,min_disk_size => '10'
fv3rdugo's avatar
fv3rdugo committed
195
        },
196
197
198
199
200
201
202
203
204
        alpine_37 => {
                    name => 'Alpine 3.7'
            ,description => 'Alpine Linux 3.7 64 bits ( Minimal Linux Distribution)'
                   ,arch => 'amd64'
                    ,xml => 'yakkety64-amd64.xml'
             ,xml_volume => 'yakkety64-volume.xml'
                    ,url => 'http://dl-cdn.alpinelinux.org/alpine/v3.7/releases/x86_64/'
                ,file_re => 'alpine-virt-3.7.\d+-x86_64.iso'
                ,sha256_url => 'http://dl-cdn.alpinelinux.org/alpine/v3.7/releases/x86_64/alpine-virt-3.7.0-x86_64.iso.sha256'
205
                ,min_disk_size => '10'
206
207
        }
        ,artful => {
208
209
                    name => 'Ubuntu Artful Aardvark'
            ,description => 'Ubuntu 17.10 Artful Aardvark 64 bits'
210
211
212
213
                   ,arch => 'amd64'
                    ,xml => 'yakkety64-amd64.xml'
             ,xml_volume => 'yakkety64-volume.xml'
                    ,url => 'http://releases.ubuntu.com/17.10/'
joelalju's avatar
joelalju committed
214
215
                ,file_re => 'ubuntu-17.10.*desktop-amd64.iso'
                ,md5_url => '$url/MD5SUMS'
216
          ,min_disk_size => '10'
217
218
        }
        ,zesty => {
219
220
221
222
223
224
                    name => 'Ubuntu Zesty Zapus'
            ,description => 'Ubuntu 17.04 Zesty Zapus 64 bits'
                   ,arch => 'amd64'
                    ,xml => 'yakkety64-amd64.xml'
             ,xml_volume => 'yakkety64-volume.xml'
                    ,url => 'http://releases.ubuntu.com/17.04/'
joelalju's avatar
joelalju committed
225
226
                ,file_re => 'ubuntu-17.04.*desktop-amd64.iso'
                ,md5_url => 'http://releases.ubuntu.com/17.04/MD5SUMS'
227
                ,min_disk_size => '10'
228
        }
Francesc Guasch's avatar
Francesc Guasch committed
229
230
231
232
233
234
235
236
237
238
        ,serena64 => {
            name => 'Mint 18.1 Mate 64 bits'
    ,description => 'Mint Serena 18.1 with Mate Desktop based on Ubuntu Xenial 64 bits'
           ,arch => 'amd64'
            ,xml => 'xenial64-amd64.xml'
     ,xml_volume => 'xenial64-volume.xml'
            ,url => 'http://mirrors.evowise.com/linuxmint/stable/18.1/'
        ,file_re => 'linuxmint-18.1-mate-64bit.iso'
        ,md5_url => ''
            ,md5 => 'c5cf5c5d568e2dfeaf705cfa82996d93'
239
            ,min_disk_size => '10'
Francesc Guasch's avatar
Francesc Guasch committed
240
241

        }
Francesc Guasch's avatar
Francesc Guasch committed
242
243
244
        ,fedora => {
            name => 'Fedora 25'
            ,description => 'RedHat Fedora 25 Workstation 64 bits'
Francesc Guasch's avatar
Francesc Guasch committed
245
            ,url => 'http://ftp.halifax.rwth-aachen.de/fedora/linux/releases/25/Workstation/x86_64/iso/Fedora-Workstation-netinst-x86_64-25-.*\.iso'
Francesc Guasch's avatar
Francesc Guasch committed
246
247
248
            ,arch => 'amd64'
            ,xml => 'xenial64-amd64.xml'
            ,xml_volume => 'xenial64-volume.xml'
249
            ,sha256_url => '$url/Fedora-Workstation-25-.*-x86_64-CHECKSUM'
250
            ,min_disk_size => '10'
Francesc Guasch's avatar
Francesc Guasch committed
251
        }
Francesc Guasch's avatar
Francesc Guasch committed
252
253
254
255
256
257
258
259
        ,fedora_26 => {
            name => 'Fedora 26'
            ,description => 'RedHat Fedora 26 Workstation 64 bits'
            ,url => 'http://ftp.halifax.rwth-aachen.de/fedora/linux/releases/26/Workstation/x86_64/iso/Fedora-Workstation-netinst-x86_64-26-.*\.iso'
            ,arch => 'amd64'
            ,xml => 'xenial64-amd64.xml'
            ,xml_volume => 'xenial64-volume.xml'
            ,sha256_url => 'http://fedora.mirrors.ovh.net/linux/releases/26/Workstation/x86_64/iso/Fedora-Workstation-26-.*-x86_64-CHECKSUM'
260
            ,min_disk_size => '10'
Francesc Guasch's avatar
Francesc Guasch committed
261
262
263
264
265
266
267
268
269
        }
        ,fedora_27 => {
            name => 'Fedora 27'
            ,description => 'RedHat Fedora 27 Workstation 64 bits'
            ,url => 'http://ftp.halifax.rwth-aachen.de/fedora/linux/releases/27/Workstation/x86_64/iso/Fedora-Workstation-netinst-x86_64-27-.*\.iso'
            ,arch => 'amd64'
            ,xml => 'xenial64-amd64.xml'
            ,xml_volume => 'xenial64-volume.xml'
            ,sha256_url => 'http://fedora.mirrors.ovh.net/linux/releases/27/Workstation/x86_64/iso/Fedora-Workstation-27-.*-x86_64-CHECKSUM'
270
            ,min_disk_size => '10'
Francesc Guasch's avatar
Francesc Guasch committed
271
        }
272
273
274
275
276
277
        ,xubuntu_artful => {
            name => 'Xubuntu Artful Aardvark'
            ,description => 'Xubuntu 17.10 Artful Aardvark 64 bits'
            ,arch => 'amd64'
            ,xml => 'yakkety64-amd64.xml'
            ,xml_volume => 'yakkety64-volume.xml'
Francesc Guasch's avatar
Francesc Guasch committed
278
279
280
            ,md5_url => '$url/../MD5SUMS'
            ,url => 'http://archive.ubuntu.com/ubuntu/dists/artful/main/installer-amd64/current/images/netboot/'
            ,file_re => 'mini.iso'
281
            ,rename_file => 'xubuntu_artful.iso'
282
            ,min_disk_size => '10'
Francesc Guasch's avatar
Francesc Guasch committed
283
        }
Francesc Guasch's avatar
Francesc Guasch committed
284
285
286
287
288
289
        ,xubuntu_zesty => {
            name => 'Xubuntu Zesty Zapus'
            ,description => 'Xubuntu 17.04 Zesty Zapus 64 bits'
            ,arch => 'amd64'
            ,xml => 'yakkety64-amd64.xml'
            ,xml_volume => 'yakkety64-volume.xml'
Francesc Guasch's avatar
Francesc Guasch committed
290
291
292
            ,md5_url => '$url/../MD5SUMS'
            ,url => 'http://archive.ubuntu.com/ubuntu/dists/zesty/main/installer-amd64/current/images/netboot'
            ,file_re => 'mini.iso'
293
            ,rename_file => 'xubuntu_zesty_mini.iso'
294
            ,min_disk_size => '10'
Francesc Guasch's avatar
Francesc Guasch committed
295
296
297
        }
        ,xubuntu_xenial => {
            name => 'Xubuntu Xenial Xerus'
298
            ,description => 'Xubuntu 16.04 Xenial Xerus 64 bits (LTS)'
Francesc Guasch's avatar
Francesc Guasch committed
299
300
301
302
            ,url => 'http://archive.ubuntu.com/ubuntu/dists/xenial/main/installer-amd64/current/images/netboot/mini.iso'
           ,xml => 'yakkety64-amd64.xml'
            ,xml_volume => 'yakkety64-volume.xml'
            ,md5 => 'fe495d34188a9568c8d166efc5898d22'
303
            ,rename_file => 'xubuntu_xenial_mini.iso'
304
            ,min_disk_size => '10'
Francesc Guasch's avatar
Francesc Guasch committed
305
        }
Francesc Guasch's avatar
Francesc Guasch committed
306
307
308
       ,lubuntu_aardvark => {
            name => 'Lubuntu Artful Aardvark'
            ,description => 'Lubuntu 17.10 Artful Aardvark 64 bits'
309
310
            ,url => 'http://cdimage.ubuntu.com/lubuntu/releases/17.10.*/release/lubuntu-17.10.*-desktop-amd64.iso'
            ,md5_url => '$url/MD5SUMS'
Francesc Guasch's avatar
Francesc Guasch committed
311
312
            ,xml => 'yakkety64-amd64.xml'
            ,xml_volume => 'yakkety64-volume.xml'
313
            ,min_disk_size => '10'
Francesc Guasch's avatar
Francesc Guasch committed
314
        }
315
316
317
        ,lubuntu_xenial => {
            name => 'Lubuntu Xenial Xerus'
            ,description => 'Xubuntu 16.04 Xenial Xerus 64 bits (LTS)'
318
319
320
            ,url => 'http://cdimage.ubuntu.com/lubuntu/releases/16.04.*/release/'
            ,file_re => 'lubuntu-16.04.*-desktop-amd64.iso'
            ,md5_url => '$url/MD5SUMS'
321
322
            ,xml => 'yakkety64-amd64.xml'
            ,xml_volume => 'yakkety64-volume.xml'
323
            ,min_disk_size => '10'
324
        }
325
326
327
328
        ,debian_jessie_32 => {
            name =>'Debian Jessie 32 bits'
            ,description => 'Debian 8 Jessie 32 bits'
            ,url => 'http://cdimage.debian.org/cdimage/archive/^8\..*/i386/iso-cd/'
329
            ,file_re => 'debian-8.[\d\.]+-i386-xfce-CD-1.iso'
330
            ,md5_url => '$url/MD5SUMS'
331
            ,xml => 'jessie-i386.xml'
332
            ,xml_volume => 'jessie-volume.xml'
333
            ,min_disk_size => '10'
334
335
336
337
338
339
340
341
342
        }
        ,debian_jessie_64 => {
            name =>'Debian Jessie 64 bits'
            ,description => 'Debian 8 Jessie 64 bits'
            ,url => 'http://cdimage.debian.org/cdimage/archive/^8\..*/amd64/iso-cd/'
            ,file_re => 'debian-8.[\d\.]+-amd64-xfce-CD-1.iso'
            ,md5_url => '$url/MD5SUMS'
            ,xml => 'jessie-amd64.xml'
            ,xml_volume => 'jessie-volume.xml'
343
            ,min_disk_size => '10'
344
        }
345
        ,debian_stretch => {
346
            name =>'Debian Stretch 64 bits'
Francesc Guasch's avatar
Francesc Guasch committed
347
            ,description => 'Debian 9 Stretch 64 bits (XFCE desktop)'
348
            ,url => 'https://cdimage.debian.org/debian-cd/^9\..*/amd64/iso-cd/'
349
            ,file_re => 'debian-9.[\d\.]+-amd64-xfce-CD-1.iso'
350
            ,md5_url => '$url/MD5SUMS'
351
352
            ,xml => 'jessie-amd64.xml'
            ,xml_volume => 'jessie-volume.xml'
353
            ,min_disk_size => '10'
354
        }
joelalju's avatar
joelalju committed
355
        ,windows_7 => {
Francesc Guasch's avatar
Francesc Guasch committed
356
          name => 'Windows 7'
357
358
          ,description => 'Windows 7 64 bits. Requires an user provided ISO image.'
            .'<a target="_blank" href="http://ravada.readthedocs.io/en/latest/docs/new_iso_image.html">[help]</a>'
joelalju's avatar
joelalju committed
359
          ,xml => 'windows_7.xml'
joelalju's avatar
joelalju committed
360
          ,xml_volume => 'wisuvolume.xml'
361
          ,min_disk_size => '21'
joelalju's avatar
joelalju committed
362
363
364
365
366
367
        }
        ,windows_10 => {
          name => 'Windows 10'
          ,description => 'Windows 10 64 bits. Requires an user provided ISO image.'
          .'<a target="_blank" href="http://ravada.readthedocs.io/en/latest/docs/new_iso_image.html">[help]</a>'
          ,xml => 'windows_10.xml'
368
          ,xml_volume => 'windows10-volume.xml'
369
          ,min_disk_size => '21'
joelalju's avatar
joelalju committed
370
        }
joelalju's avatar
joelalju committed
371
372
373
374
375
376
        ,windows_xp => {
          name => 'Windows XP'
          ,description => 'Windows XP 64 bits. Requires an user provided ISO image.'
          .'<a target="_blank" href="http://ravada.readthedocs.io/en/latest/docs/new_iso_image.html">[help]</a>'
          ,xml => 'windows_xp.xml'
          ,xml_volume => 'wisuvolume.xml'
377
          ,min_disk_size => '3'
joelalju's avatar
joelalju committed
378
379
380
381
382
383
384
        }
        ,windows_12 => {
          name => 'Windows 2012'
          ,description => 'Windows 2012 64 bits. Requires an user provided ISO image.'
          .'<a target="_blank" href="http://ravada.readthedocs.io/en/latest/docs/new_iso_image.html">[help]</a>'
          ,xml => 'windows_12.xml'
          ,xml_volume => 'wisuvolume.xml'
385
          ,min_disk_size => '21'
joelalju's avatar
joelalju committed
386
387
388
389
390
391
392
        }
        ,windows_8 => {
          name => 'Windows 8.1'
          ,description => 'Windows 8.1 64 bits. Requires an user provided ISO image.'
          .'<a target="_blank" href="http://ravada.readthedocs.io/en/latest/docs/new_iso_image.html">[help]</a>'
          ,xml => 'windows_8.xml'
          ,xml_volume => 'wisuvolume.xml'
393
          ,min_disk_size => '21'
joelalju's avatar
joelalju committed
394
        }
395
396
    );

397
398
399
400
401
402
403
404
405
406
407
    $self->_update_table($table, $field, \%data);

}

sub _update_domain_drivers_types($self) {

    my $data = {
        image => {
            id => 4,
            ,name => 'image'
           ,description => 'Graphics Options'
408
           ,vm => 'KVM'
409
410
411
412
413
        },
        jpeg => {
            id => 5,
            ,name => 'jpeg'
           ,description => 'Graphics Options'
414
           ,vm => 'KVM'
415
416
417
418
419
        },
        zlib => {
            id => 6,
            ,name => 'zlib'
           ,description => 'Graphics Options'
420
           ,vm => 'KVM'
421
422
423
424
425
        },
        playback => {
            id => 7,
            ,name => 'playback'
           ,description => 'Graphics Options'
426
           ,vm => 'KVM'
427
428
429
430
431
432

        },
        streaming => {
            id => 8,
            ,name => 'streaming'
           ,description => 'Graphics Options'
433
           ,vm => 'KVM'
434
435
436
437
438
439

        }
    };
    $self->_update_table('domain_drivers_types','id',$data);
}

440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
sub _update_domain_drivers_options($self) {

    my $data = {
        qxl => {
            id => 1,
            ,id_driver_type => 1,
            ,name => 'QXL'
           ,value => 'type="qxl" ram="65536" vram="65536" vgamem="16384" heads="1" primary="yes"'
        },
        vmvga => {
            id => 2,
            ,id_driver_type => 1,
            ,name => 'VMVGA'
           ,value => 'type="vmvga" vram="16384" heads="1" primary="yes"'
        },
        cirrus => {
            id => 3,
            ,id_driver_type => 1,
            ,name => 'Cirrus'
           ,value => 'type="cirrus" vram="16384" heads="1" primary="yes"'
        },
        vga => {
            id => 4,
            ,id_driver_type => 1,
            ,name => 'VGA'
           ,value => 'type="vga" vram="16384" heads="1" primary="yes"'
        },
        ich6 => {
            id => 6,
            ,id_driver_type => 2,
            ,name => 'ich6'
           ,value => 'model="ich6"'
        },
        ac97 => {
            id => 7,
            ,id_driver_type => 2,
            ,name => 'ac97'
           ,value => 'model="ac97"'
        },
        virtio => {
            id => 8,
            ,id_driver_type => 3,
            ,name => 'virtio'
           ,value => 'type="virtio"'
        },
        e1000 => {
            id => 9,
            ,id_driver_type => 3,
            ,name => 'e1000'
           ,value => 'type="e1000"'
        },
        rtl8139 => {
            id => 10,
            ,id_driver_type => 3,
            ,name => 'rtl8139'
           ,value => 'type="rtl8139"'
        },
        auto_glz => {
            id => 11,
            ,id_driver_type => 4,
            ,name => 'auto_glz'
           ,value => 'compression="auto_glz"'
        },
        auto_lz => {
            id => 12,
            ,id_driver_type => 4,
            ,name => 'auto_lz'
           ,value => 'compression="auto_lz"'
        },
        quic => {
            id => 13,
            ,id_driver_type => 4,
            ,name => 'quic'
           ,value => 'compression="quic"'
        },
        glz => {
            id => 14,
            ,id_driver_type => 4,
            ,name => 'glz'
           ,value => 'compression="glz"'
        },
        lz => {
            id => 15,
            ,id_driver_type => 4,
            ,name => 'lz'
           ,value => 'compression="lz"'
        },
        off => {
            id => 16,
            ,id_driver_type => 4,
            ,name => 'off'
           ,value => 'compression="off"'
        },
        auto => {
            id => 17,
            ,id_driver_type => 5,
            ,name => 'auto'
           ,value => 'compression="auto"'
        },
        never => {
            id => 18,
            ,id_driver_type => 5,
            ,name => 'never'
           ,value => 'compression="never"'
        },
        always => {
            id => 19,
            ,id_driver_type => 5,
            ,name => 'always'
           ,value => 'compression="always"'
        },
        auto1 => {
            id => 20,
            ,id_driver_type => 6,
            ,name => 'auto'
           ,value => 'compression="auto"'
        },
        never1 => {
            id => 21,
            ,id_driver_type => 6,
            ,name => 'never'
           ,value => 'compression="never"'
        },
        always1 => {
            id => 22,
            ,id_driver_type => 6,
            ,name => 'always'
           ,value => 'compression="always"'
        },
        on => {
            id => 23,
            ,id_driver_type => 7,
            ,name => 'on'
           ,value => 'compression="on"'
        },
        off1 => {
            id => 24,
            ,id_driver_type => 7,
            ,name => 'off'
           ,value => 'compression="off"'
        },
        filter => {
            id => 25,
            ,id_driver_type => 8,
            ,name => 'filter'
           ,value => 'mode="filter"'
        },
        all => {
            id => 26,
            ,id_driver_type => 8,
            ,name => 'all'
           ,value => 'mode="all"'
        },
        off2 => {
            id => 27,
            ,id_driver_type => 8,
            ,name => 'off'
           ,value => 'mode="off"'
        }
    };
    $self->_update_table('domain_drivers_options','id',$data);
}

603
604
sub _update_table($self, $table, $field, $data) {

605
    my $sth_search = $CONNECTOR->dbh->prepare("SELECT id FROM $table WHERE $field = ?");
606
607
    for my $name (keys %$data) {
        my $row = $data->{$name};
608
609
610
        $sth_search->execute($row->{$field});
        my ($id) = $sth_search->fetchrow;
        next if $id;
Francesc Guasch's avatar
Francesc Guasch committed
611
        warn("INFO: updating $table : $row->{$field}\n")    if $0 !~ /\.t$/;
612
613

        my $sql =
614
            "INSERT INTO $table "
615
            ."("
616
            .join(" , ", sort keys %{$data->{$name}})
617
618
            .")"
            ." VALUES ( "
619
            .join(" , ", map { "?" } keys %{$data->{$name}})
620
621
622
            ." )"
        ;
        my $sth = $CONNECTOR->dbh->prepare($sql);
623
        $sth->execute(map { $data->{$name}->{$_} } sort keys %{$data->{$name}});
624
625
626
627
        $sth->finish;
    }
}

628
629
sub _remove_old_isos {
    my $self = shift;
630
631
632
633
634
635
    for my $sql (
        "DELETE FROM iso_images "
            ."  WHERE url like '%debian-9.0%iso'"
        ,"DELETE FROM iso_images"
            ."  WHERE name like 'Debian%' "
            ."      AND NOT url  like '%*%' "
636
637
638
639
640
641
        ,"DELETE FROM iso_images "
            ."  WHERE name like 'Lubuntu Artful%'"
            ."      AND url NOT LIKE '%*%' "
        ,"DELETE FROM iso_images "
            ."  WHERE name like 'Lubuntu Zesty%'"

642
643
644
645
646
    ) {
        my $sth = $CONNECTOR->dbh->prepare($sql);
        $sth->execute();
        $sth->finish;
    }
647
648
}

649
650
sub _update_data {
    my $self = shift;
651

652
    $self->_remove_old_isos();
653
    $self->_update_isos();
654

655
656
657
    $self->_rename_grants();
    $self->_alias_grants();
    $self->_add_grants();
658
    $self->_enable_grants();
659
    $self->_update_user_grants();
660

661
    $self->_update_domain_drivers_types();
662
    $self->_update_domain_drivers_options();
Francesc Guasch's avatar
Francesc Guasch committed
663
    $self->_update_old_qemus();
664
665
666

}

667
sub _rename_grants($self) {
Francesc Guasch's avatar
Francesc Guasch committed
668
669
670

    my %rename = (
        create_domain => 'create_machine'
671
672
673
    );
    my $sth_old = $CONNECTOR->dbh->prepare("SELECT id FROM grant_types"
            ." WHERE name=?"
Francesc Guasch's avatar
Francesc Guasch committed
674
675
    );
    for my $old ( keys %rename ) {
676
677
678
        $sth_old->execute($rename{$old});
        next if $sth_old->fetchrow;

Francesc Guasch's avatar
Francesc Guasch committed
679
        my $sth = $CONNECTOR->dbh->prepare(
680
                 "UPDATE grant_types"
Francesc Guasch's avatar
Francesc Guasch committed
681
682
683
684
                ." SET name=? "
                ." WHERE name = ?"
        );
        $sth->execute($rename{$old}, $old);
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
        warn "INFO: renaming grant $old to $rename{$old}\n";
    }
}

sub _alias_grants($self) {

    my %alias= (
        remove_clone => 'remove_clones'
        ,shutdown_clone => 'shutdown_clones'
    );

    my $sth_old = $CONNECTOR->dbh->prepare("SELECT id FROM grant_types_alias"
            ." WHERE name=? AND alias=?"
    );
    while (my ($old, $new) =  each(%alias)) {
        $sth_old->execute($old, $new);
        return if $sth_old->fetch;
        my $sth = $CONNECTOR->dbh->prepare(
                 "INSERT INTO grant_types_alias (name,alias)"
                 ." VALUES(?,?) "
        );
        $sth->execute($old, $new);
Francesc Guasch's avatar
Francesc Guasch committed
707
    }
708
}
Francesc Guasch's avatar
Francesc Guasch committed
709

710
sub _add_grants($self) {
Francesc Guasch's avatar
Francesc Guasch committed
711
712
713
714
715
716
717
    $self->_add_grant('shutdown', 1);
}

sub _add_grant($self, $grant, $allowed) {

    my $sth = $CONNECTOR->dbh->prepare(
        "SELECT id FROM grant_types WHERE name=?"
718
    );
Francesc Guasch's avatar
Francesc Guasch committed
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
    $sth->execute($grant);
    my ($id) = $sth->fetchrow();
    $sth->finish;

    return if $id;

    $sth = $CONNECTOR->dbh->prepare("INSERT INTO grant_types (name, description)"
        ." VALUES (?,?)");
    $sth->execute($grant,"can shutdown any virtual machine owned by the user");
    $sth->finish;

    return if !$allowed;

    $sth = $CONNECTOR->dbh->prepare("SELECT id FROM grant_types WHERE name=?");
    $sth->execute($grant);
    my ($id_grant) = $sth->fetchrow;
    $sth->finish;

    my $sth_insert = $CONNECTOR->dbh->prepare(
        "INSERT INTO grants_user (id_user, id_grant, allowed) VALUES(?,?,?) ");

    $sth = $CONNECTOR->dbh->prepare("SELECT id FROM users ");
    $sth->execute;

    while (my ($id_user) = $sth->fetchrow ) {
        eval { $sth_insert->execute($id_user, $id_grant, $allowed) };
        die $@ if $@ && $@ !~/Duplicate entry /;
    }
747
748
}

749
750
751
752
753
754
755
756
757
758
759
sub _null_grants($self) {
    my $sth = $CONNECTOR->dbh->prepare("SELECT count(*) FROM grant_types "
            ." WHERE enabled = NULL "
        );
    $sth->execute;
    my ($count) = $sth->fetchrow;

    exit if !$count && $self->{_null}++;
    return $count;
}

760
sub _enable_grants($self) {
761
762
763

    return if $self->_null_grants();

764
765
766
    my $sth = $CONNECTOR->dbh->prepare(
        "UPDATE grant_types set enabled=0"
    );
767
    $sth->execute;
768
    my @grants = (
769
770
        'change_settings',  'change_settings_all',  'change_settings_clones'
        ,'clone',           'clone_all',            'create_base', 'create_machine'
771
        ,'grant'
772
        ,'manage_users'
773
774
        ,'remove',          'remove_all',   'remove_clone',     'remove_clone_all'
        ,'shutdown',        'shutdown_all',    'shutdown_clone'
775
776
777
778
779
780
781
782
783
784
785
786
787
    );

    $sth = $CONNECTOR->dbh->prepare("SELECT id,name FROM grant_types");
    $sth->execute;
    my %grant_exists;
    while (my ($id, $name) = $sth->fetchrow ) {
        $grant_exists{$name} = $id;
    }

    $sth = $CONNECTOR->dbh->prepare(
        "UPDATE grant_types set enabled=1 WHERE name=?"
    );
    my %done;
788
    for my $name ( sort @grants ) {
789
790
791
792
793
794
795
796
        die "Duplicate grant $name "    if $done{$name};
        die "Permission $name doesn't exist at table grant_types"
                ."\n".Dumper(\%grant_exists)
            if !$grant_exists{$name};

        $sth->execute($name);

    }
797

Francesc Guasch's avatar
Francesc Guasch committed
798
799
800
801
802
803
804
805
}

sub _update_old_qemus($self) {
    my $sth = $CONNECTOR->dbh->prepare("UPDATE vms SET vm_type='KVM'"
        ." WHERE vm_type='qemu' AND name ='KVM_localhost'"
    );
    $sth->execute;

806
807
}

808
809
sub _set_url_isos($self, $new_url='http://localhost/iso/') {
    $new_url .= '/' if $new_url !~ m{/$};
810
811
812
813
814
815
816
817
818
    my $sth = $CONNECTOR->dbh->prepare(
        "SELECT id,url FROM iso_images "
        ."WHERE url is NOT NULL"
    );
    my $sth_update = $CONNECTOR->dbh->prepare(
        "UPDATE iso_images set url=? WHERE id=?"
    );
    $sth->execute();
    while ( my ($id, $url) = $sth->fetchrow) {
819
        $url =~ s{\w+://(.*?)/(.*)}{$new_url$2};
820
821
822
823
824
        $sth_update->execute($url, $id);
    }
    $sth->finish;

}
825
826
827
828
829
830
831
832
833
834
sub _upgrade_table {
    my $self = shift;
    my ($table, $field, $definition) = @_;
    my $dbh = $CONNECTOR->dbh;

    my $sth = $dbh->column_info(undef,undef,$table,$field);
    my $row = $sth->fetchrow_hashref;
    $sth->finish;
    return if $row;

Francesc Guasch's avatar
Francesc Guasch committed
835
    warn "INFO: adding $field $definition to $table\n"  if $0 !~ /\.t$/;
836
    $dbh->do("alter table $table add $field $definition");
837
    return 1;
838
839
}

840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
sub _remove_field {
    my $self = shift;
    my ($table, $field ) = @_;

    my $dbh = $CONNECTOR->dbh;
    return if $CONNECTOR->dbh->{Driver}{Name} !~ /mysql/i;

    my $sth = $dbh->column_info(undef,undef,$table,$field);
    my $row = $sth->fetchrow_hashref;
    $sth->finish;
    return if !$row;

    warn "INFO: removing $field to $table\n"  if $0 !~ /\.t$/;
    $dbh->do("alter table $table drop column $field");
    return 1;

}

858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
sub _create_table {
    my $self = shift;
    my $table = shift;

    my $sth = $CONNECTOR->dbh->table_info('%',undef,$table,'TABLE');
    my $info = $sth->fetchrow_hashref();
    $sth->finish;
    return if keys %$info;

    my $file_sql = "$DIR_SQL/$table.sql";
    open my $in,'<',$file_sql or die "$! $file_sql";
    my $sql = join " ",<$in>;
    close $in;

    $CONNECTOR->dbh->do($sql);
    return 1;
}

sub _insert_data {
    my $self = shift;
    my $table = shift;

    my $file_sql =  "$DIR_SQL/../data/insert_$table.sql";
    return if ! -e $file_sql;

    warn "INFO: inserting data for $table\n";
    open my $in,'<',$file_sql or die "$! $file_sql";
    my $sql = '';
    while (my $line = <$in>) {
        $sql .= $line;
        next if $sql !~ /\w/ || $sql !~ /;\s*$/;
        $CONNECTOR->dbh->do($sql);
        $sql = '';
    }
    close $in;

}

sub _create_tables {
    my $self = shift;
898
899
900
901
#    return if $CONNECTOR->dbh->{Driver}{Name} !~ /mysql/i;

    my $driver = lc($CONNECTOR->dbh->{Driver}{Name});
    $DIR_SQL =~ s{(.*)/.*}{$1/$driver};
902

903
904
905
906
    opendir my $ls,$DIR_SQL or die "$! $DIR_SQL";
    while (my $file = readdir $ls) {
        my ($table) = $file =~ m{(.*)\.sql$};
        next if !$table;
907
        next if $table =~ /^insert/;
908
909
910
911
912
        $self->_insert_data($table)     if $self->_create_table($table);
    }
    closedir $ls;
}

913
914
915
916
sub _clean_iso_mini {
    my $sth = $CONNECTOR->dbh->prepare("DELETE FROM iso_images WHERE device like ?");
    $sth->execute('%/mini.iso');
    $sth->finish;
917
918
919
920

    $sth = $CONNECTOR->dbh->prepare("DELETE FROM iso_images WHERE url like ? AND rename_file = NULL");
    $sth->execute('%/mini.iso');
    $sth->finish;
921
922
}

923
924
sub _upgrade_tables {
    my $self = shift;
Francesc Guasch's avatar
Francesc Guasch committed
925
#    return if $CONNECTOR->dbh->{Driver}{Name} !~ /mysql/i;
926

927
    $self->_upgrade_table('file_base_images','target','varchar(64) DEFAULT NULL');
928

929
    $self->_upgrade_table('vms','vm_type',"char(20) NOT NULL DEFAULT 'KVM'");
930
931
    $self->_upgrade_table('vms','connection_args',"text DEFAULT NULL");

932
    $self->_upgrade_table('requests','at_time','int(11) DEFAULT NULL');
Francesc Guasch's avatar
Francesc Guasch committed
933

934
    $self->_upgrade_table('iso_images','rename_file','varchar(80) DEFAULT NULL');
935
    $self->_clean_iso_mini();
936
    $self->_upgrade_table('iso_images','md5_url','varchar(255)');
Francesc Guasch's avatar
Francesc Guasch committed
937
938
    $self->_upgrade_table('iso_images','sha256','varchar(255)');
    $self->_upgrade_table('iso_images','sha256_url','varchar(255)');
939
    $self->_upgrade_table('iso_images','file_re','char(64)');
940
    $self->_upgrade_table('iso_images','device','varchar(255)');
joelalju's avatar
joelalju committed
941
    $self->_upgrade_table('iso_images','min_disk_size','int (11) DEFAULT NULL');
942
943

    $self->_upgrade_table('users','language','char(3) DEFAULT NULL');
944
945
946
947
948
949
    if ( $self->_upgrade_table('users','is_external','int(11) DEFAULT 0')) {
        my $sth = $CONNECTOR->dbh->prepare(
            "UPDATE users set is_external=1 WHERE password='*LK* no pss'"
        );
        $sth->execute;
    }
Francesc Guasch's avatar
Francesc Guasch committed
950

951
    $self->_upgrade_table('networks','requires_password','int(11)');
952
953
    $self->_upgrade_table('networks','n_order','int(11) not null default 0');

954
    $self->_upgrade_table('domains','spice_password','varchar(20) DEFAULT NULL');
fv3rdugo's avatar
fv3rdugo committed
955
    $self->_upgrade_table('domains','description','text DEFAULT NULL');
956
    $self->_upgrade_table('domains','run_timeout','int DEFAULT NULL');
957
    $self->_upgrade_table('domains','start_time','int DEFAULT 0');
958
    $self->_upgrade_table('domains','is_volatile','int NOT NULL DEFAULT 0');
959
    $self->_upgrade_table('domains','autostart','int NOT NULL DEFAULT 0');
960

961
962
    $self->_upgrade_table('domains','status','varchar(32) DEFAULT "shutdown"');
    $self->_upgrade_table('domains','display','varchar(128) DEFAULT NULL');
Francesc Guasch's avatar
Francesc Guasch committed
963
    $self->_upgrade_table('domains','info','varchar(255) DEFAULT NULL');
Francesc Guasch's avatar
Francesc Guasch committed
964
    $self->_upgrade_table('domains','internal_id','varchar(64) DEFAULT NULL');
965
    $self->_upgrade_table('domains','id_vm','int default null');
966
    $self->_upgrade_table('domains','volatile_clones','int NOT NULL default 0');
967

968
969
970
    $self->_upgrade_table('domains','client_status','varchar(32)');
    $self->_upgrade_table('domains','client_status_time_checked','int NOT NULL default 0');

971
    $self->_upgrade_table('domains_network','allowed','int not null default 1');
972

973
974
    $self->_upgrade_table('grant_types','enabled','int not null default 1');

975
976
}

977

978
979
980
981
sub _connect_dbh {
    my $driver= ($CONFIG->{db}->{driver} or 'mysql');;
    my $db_user = ($CONFIG->{db}->{user} or getpwnam($>));;
    my $db_pass = ($CONFIG->{db}->{password} or undef);
Francesc Guasch's avatar
Francesc Guasch committed
982
    my $db = ( $CONFIG->{db}->{db} or 'ravada' );
983
984
985
    my $host = $CONFIG->{db}->{host};

    my $data_source = "DBI:$driver:$db";
Joel Alarcón's avatar
Joel Alarcón committed
986
    $data_source = "DBI:$driver:database=$db;host=$host"
987
988
        if $host && $host ne 'localhost';

989
990
991
    my $con;
    for my $try ( 1 .. 10 ) {
        eval { $con = DBIx::Connector->new($data_source
992
993
                        ,$db_user,$db_pass,{RaiseError => 1
                        , PrintError=> 0 });
994
995
996
997
998
999
1000
            $con->dbh();
        };
        return $con if $con && !$@;
        sleep 1;
        warn "Try $try $@\n";
    }
    die ($@ or "Can't connect to $driver $db at $host");
1001
1002
}

1003
=head2 display_ip
1004

1005
Returns the default display IP read from the config file
1006

1007
=cut
1008

1009
1010
1011
sub display_ip {
    my $ip = $CONFIG->{display_ip};
    return $ip if $ip;
1012
1013
}

1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
=head2 nat_ip

Returns the IP for NATed environments

=cut

sub nat_ip {
    return $CONFIG->{nat_ip} if exists $CONFIG->{nat_ip};
}

1024
sub _init_config {
Francesc Guasch's avatar
Francesc Guasch committed
1025
    my $file = shift or confess "ERROR: Missing config file";
1026
1027

    my $connector = shift;
1028
    confess "Deprecated connector" if $connector;
1029

Francesc Guasch's avatar
[    
Francesc Guasch committed
1030
1031
1032
1033
1034
1035
1036
    die "ERROR: Missing config file $file\n"
        if !-e $file;

    eval { $CONFIG = YAML::LoadFile($file) };

    die "ERROR: Format error in config file $file\n$@"  if $@;

Francesc Guasch's avatar
Francesc Guasch committed
1037
    $CONFIG->{vm} = [] if !$CONFIG->{vm};
1038

Joel Alarcón's avatar
Joel Alarcón committed
1039
    $LIMIT_PROCESS = $CONFIG->{limit_process}
1040
        if $CONFIG->{limit_process} && $CONFIG->{limit_process}>1;
1041
#    $CONNECTOR = ( $connector or _connect_dbh());
1042

Francesc Guasch's avatar
Francesc Guasch committed
1043
    _init_config_vm();
1044
1045
1046
}

sub _init_config_vm {
Francesc Guasch's avatar
Francesc Guasch committed
1047

1048
    for my $vm ( @{$CONFIG->{vm}} ) {
Francesc Guasch's avatar
Francesc Guasch committed
1049
        warn "$vm not available in this system.\n".($ERROR_VM{$vm})
Francesc Guasch's avatar
Francesc Guasch committed
1050
            if !$VALID_VM{$vm} && $0 !~ /\.t$/;
1051
    }
Francesc Guasch's avatar
Francesc Guasch committed
1052
1053
1054
1055

    delete $VALID_VM{Void}
        if !grep /^Void$/,@{$CONFIG->{vm}};

1056
    @Ravada::Front::VM_TYPES = keys %VALID_VM;
1057
1058
}

1059
sub _create_vm_kvm {
1060
    my $self = shift;
1061
    die "KVM not installed" if !$VALID_VM{KVM};
1062

1063
1064
1065
    my $cmd_qemu_img = `which qemu-img`;
    chomp $cmd_qemu_img;

1066
    die "ERROR: Missing qemu-img" if !$cmd_qemu_img;
1067
1068

    my $vm_kvm;
1069

Francesc Guasch's avatar
Francesc Guasch committed
1070
    $vm_kvm = Ravada::VM::KVM->new( );
1071
1072

    my ($internal_vm , $storage);
1073
1074
1075
1076
1077
    $storage = $vm_kvm->dir_img();
    $internal_vm = $vm_kvm->vm;
    $vm_kvm = undef if !$internal_vm || !$storage;

    return $vm_kvm;
1078
1079
}

1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
=head2 disconnect_vm

Disconnect all the Virtual Managers connections.

=cut


sub disconnect_vm {
    my $self = shift;
    $self->_disconnect_vm();
}

sub _disconnect_vm{
    my $self = shift;
    return $self->_connect_vm(0);
}

sub _connect_vm {
1098
    my $self = shift;
1099
1100
1101
1102

    my $connect = shift;
    $connect = 1 if !defined $connect;

1103
1104
    my @vms;
    eval { @vms = $self->vm };
1105
    warn $@ if $@ && $self->warn_error;
1106
1107
1108
1109
    return if $@ && $@ =~ /No VMs found/i;
    die $@ if $@;

    return if !scalar @vms;
1110
1111
    for my $n ( 0 .. $#{$self->vm}) {
        my $vm = $self->vm->[$n];
1112
1113
1114

        if (!$connect) {
            $vm->disconnect();
1115
1116
        } else {
            $vm->connect();
1117
        }
1118
1119
1120
    }
}

1121
sub _create_vm_lxc {
1122
1123
    my $self = shift;

1124
1125
    return Ravada::VM::LXC->new( connector => ( $self->connector or $CONNECTOR ));
}
1126

1127
1128
sub _create_vm_void {
    my $self = shift;
1129

1130
1131
    return Ravada::VM::Void->new( connector => ( $self->connector or $CONNECTOR ));
}
1132

1133
1134
sub _create_vm {
    my $self = shift;
1135

1136
1137
1138
1139
1140
1141
1142
1143
1144
    # TODO: add a _create_vm_default for VMs that just are created with ->new
    #       like Void or LXC
    my %create = (
        'KVM' => \&_create_vm_kvm
        ,'LXC' => \&_create_vm_lxc
        ,'Void' => \&_create_vm_void
    );

    my @vms = ();
1145
    my $err='';
1146
1147
1148
1149
1150
1151

    for my $vm_name (keys %VALID_VM) {
        my $vm;
        eval { $vm = $create{$vm_name}->($self) };
        $err.= $@ if $@;
        push @vms,($vm) if $vm;
1152
    }
Francesc Guasch's avatar
Francesc Guasch committed
1153
    die "No VMs found: $err\n" if $self->warn_error && !@vms;
1154

1155
1156
    return \@vms;

1157
1158
}

1159
sub _check_vms {
1160
1161
    my $self = shift;

1162
1163
    my @vm;
    eval { @vm = @{$self->vm} };
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
    for my $n ( 0 .. $#vm ) {