forked from vfremaux/moodle-local_vmoodle
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathcontroller.management.php
1150 lines (1017 loc) · 50 KB
/
controller.management.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
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
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
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
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
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
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* This file catches an action and do the corresponding usecase.
* Called by 'view.php'.
*
* @usecase add (form)
* @usecase doadd
* @usecase edit (form)
* @usecase doedit
* @usecase enable
* @usecase disable
* @usecase snapshot
* @usecase delete
* @usecase fulldelete
* @usecase renewall
* @usecase generateconfigs
*
* @package local_vmoodle
* @category local
* @author Moheissen Fabien ([email protected])
* @copyright valeisti (http://www.valeisti.fr)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL
*/
Use \local_vmoodle\Mnet_Peer;
// Includes the MNET library.
require_once($CFG->dirroot.'/mnet/lib.php');
// Add needed javascript here (because addonload() is needed before).
$PAGE->requires->js('/local/vmoodle/js/host_form.js');
// It must be included from 'view.php' in local/vmoodle.
if (!defined('MOODLE_INTERNAL')) {
die('Direct access to this script is forbidden.');
}
// Confirmation message.
$message_object = new StdClass();
$message_object->message = '';
$message_object->style = 'notifyproblem';
// Execution time can take more than 30 sec (PHP default value).
$initial_max_execution_time = ini_get('max_execution_time');
if ($initial_max_execution_time > 0) {
set_time_limit(0);
}
/**************************** Make the ADD form ************/
if ($action == 'add') {
// Test the number of templates.
$templates = vmoodle_get_available_templates();
if (!empty($templates)) {
// Default configuration (automated schema).
if (@$CFG->local_vmoodle_automatedschema) {
$platform_form = new StdClass();
$platform_form->vhostname = (@$CFG->local_vmoodle_vmoodlehost) ? $CFG->local_vmoodle_vmoodlehost : 'localhost' ;
$platform_form->vdbtype = (@$CFG->local_vmoodle_vdbtype) ? $CFG->local_vmoodle_vdbtype : 'mysqli' ;
$platform_form->vdbhost = (@$CFG->local_vmoodle_vdbhost) ? $CFG->local_vmoodle_vdbhost : 'localhost' ;
$platform_form->vdblogin = $CFG->local_vmoodle_vdblogin;
$platform_form->vdbpass = $CFG->local_vmoodle_vdbpass;
$platform_form->vdbname = $CFG->local_vmoodle_vdbbasename;
$platform_form->vdbprefix = (@$CFG->local_vmoodle_vdbprefix) ? $CFG->local_vmoodle_vdbprefix : 'mdl_' ;
$platform_form->vdbpersist = (@$CFG->local_vmoodle_vdbpersist) ? 1 : 0 ;
$platform_form->vdatapath = stripslashes($CFG->local_vmoodle_vdatapathbase);
if ($CFG->local_vmoodle_mnet == 'NEW') {
$lastsubnetwork = $DB->get_field('local_vmoodle', 'MAX(mnet)', array());
$platform_form->mnet = $lastsubnetwork + 1;
} else {
$platform_form->mnet = 0 + @$CFG->local_vmoodle_mnet;
}
$platform_form->services = $CFG->local_vmoodle_services;
// Try to get crontab (Linux).
if ($CFG->ostype != 'WINDOWS') {
$crontabcmd = escapeshellcmd('crontab -l');
$platform_form->crontab = passthru($crontabcmd);
}
unset($SESSION->vmoodledata);
echo $OUTPUT->header();
$form = new \local_vmoodle\Host_Form('add');
$form->set_data($platform_form);
$form->display();
echo $OUTPUT->footer();
die;
// Data are placed in session for displaying.
// $SESSION->vmoodle_mg['dataform'] = $platform_form;
}
// Redirect to the 'add' form.
// header('Location: view.php?view=management&page=add');
} else {
echo $OUTPUT->header();
echo $OUTPUT->box(get_string('notemplates', 'local_vmoodle'));
echo $OUTPUT->continue_button($CFG->wwwroot.'/local/vmoodle/view.php?view=management');
echo $OUTPUT->footer();
die;
}
}
/**************************** Do ADD actions ************/
if ($action == 'doadd') {
// debug_open_trace();
if (empty($automation)) {
$vmoodlestep = optional_param('step', 0, PARAM_INT);
// Retrieve submitted data, from the add form.
unset($SESSION->vmoodle_mg['dataform']);
$platform_form = new \local_vmoodle\Host_Form('add', null);
// Check if form is cancelled.
if ($platform_form->is_cancelled()) {
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
die;
}
}
// If there is submitted data from form or in session (no errors).
if (!isset($SESSION->vmoodledata)) {
$submitteddata = $SESSION->vmoodledata = $platform_form->get_data();
} else {
$submitteddata = $SESSION->vmoodledata;
}
if ($submitteddata) {
// debug_trace("entering doadd case");
// check vhostname length. Must be less than 64 chars (Mnet CSR reason)
// may be useless using check_credentials() patchs
/*
if (strlen($submitteddata->vhostname) > 64){
if (empty($automation)){
$message_object->message = get_string('wwwrootexceedscsrlimits', 'local_vmoodle');
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
redirect($CFG->wwwroot.'/local/vmoodle/view.php?view=management');
die;
}
mtrace(get_string('wwwrootexceedscsrlimits', 'local_vmoodle'));
return -1;
}
*/
if ($submitteddata->vtemplate === 0) {
$sqlrequest = 'UPDATE
{mnet_host}
SET
deleted = 0
WHERE
wwwroot = "'.$submitteddata->vhostname.'"';
$DB->execute($sqlrequest);
$sqlrequest = 'SELECT
*
FROM
{local_vmoodle}
WHERE
vhostname = "'.$submitteddata->vhostname.'"';
$record = $DB->get_record_sql($sqlrequest);
if (empty($record)) {
$record = (object) array('name' => $submitteddata->name,
'shortname' => $submitteddata->shortname,
'description' => $submitteddata->description,
'vhostname' => $submitteddata->vhostname,
'vdbtype' => $submitteddata->vdbtype,
'vdbhost' => $submitteddata->vdbhost,
'vdblogin' => $submitteddata->vdblogin,
'vdbpass' => $submitteddata->vdbpass,
'vdbname' => $submitteddata->vdbname,
'vdbpersist' => $submitteddata->vdbpersist,
'vdbprefix' => $submitteddata->vdbprefix,
'vdbpersist' => $submitteddata->vdbpersist,
'vdatapath' => $submitteddata->vdatapath,
'mnet' => $submitteddata->mnet);
$DB->insert_record('local_vmoodle', $record);
}
if (empty($automation)) {
$message_object->message = get_string('plateformreactivate', 'local_vmoodle');
$message_object->style = 'notifysuccess';
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
die;
}
return 0;
} else {
// Checks if the chosen template still exists.
$templates = vmoodle_get_available_templates();
if (empty($templates) || !vmoodle_exist_template($submitteddata->vtemplate)) {
// If the snapshot has been deleted between loading the add form and submitting it.
$message_object->message = get_string('notemplates', 'local_vmoodle');
if (empty($automation)) {
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
die;
}
mtrace(get_string('notemplates', 'local_vmoodle'));
return -1;
}
// Check if the required hostname has DNS resolution
$domainname = preg_replace('/https?:\/\//', '', $submitteddata->vhostname);
if (!gethostbynamel($domainname)) {
if ($submitteddata->forcedns) {
print_string('unknownhostforced', 'local_vmoodle');
// $submitteddata->mnet = -1;
} else {
$message_object->message = get_string('unknownhost', 'local_vmoodle'). ' : '.$domainname;
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
if (empty($automation)) {
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
die;
}
mtrace($SESSION->vmoodle_ma['confirm_message']->message);
return -1;
}
}
// Do we have a "self" host record ?
// debug_trace("getting this_host");
if (!$this_as_host = $DB->get_record('mnet_host', array('wwwroot' => $CFG->wwwroot))) {
// If loading this host's data has failed.
$message_object->message = get_string('badthishostdata', 'local_vmoodle');
if (empty($automation)) {
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
die;
}
mtrace(get_string('badthishostdata', 'local_vmoodle'));
return -1;
}
/// Creates database from template.
if ($vmoodlestep == 0) {
// debug_trace("step 0 : loading");
if (!vmoodle_load_database_from_template($submitteddata, $CFG->dataroot.'/vmoodle')) {
// If loading database from template has failed.
unset($SESSION->vmoodledata);
$message_object->message = get_string('badtemplatation', 'local_vmoodle');
if (empty($automation)) {
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
die;
}
mtrace(get_string('badtemplatation', 'local_vmoodle'));
return -1;
}
if (empty($automation)){
echo $OUTPUT->header();
echo $OUTPUT->box(get_string('vmoodledoadd1', 'local_vmoodle'));
echo $OUTPUT->continue_button(new moodle_url('/local/vmoodle/view.php', array('view' => 'management', 'what' => 'doadd', 'step' => 1)));
echo $OUTPUT->footer();
die;
}
return 0;
}
// Fix remote database for Mnet operations.
/* Fixing database will rewrite and prepare the remote mnet_host table for having
* consistant identity of the VMoodle Master node.
* Additionnaly, some data from instance addition form should be forced into
* the SQL template, whatever the configuration of the original Moodle was.
*
* A script backup is available in vmoodle data directory as
*
* vmoodle_setup_template.temp.sql
*
* with all fixing SQL instructions processed.
*/
if ($vmoodlestep == 1) {
// debug_trace("step 1 : fixing DB");
if (!vmoodle_fix_database($submitteddata, $this_as_host, $CFG->dataroot.'/vmoodle')) {
// If fixing database has failed.
unset($SESSION->vmoodledata);
$message_object->message = get_string('couldnotfixdatabase', 'local_vmoodle');
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
if (empty($automation)){
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
die;
}
mtrace($SESSION->vmoodle_ma['confirm_message']->message);
return -1;
}
if (empty($automation)) {
echo $OUTPUT->header();
echo $OUTPUT->box(get_string('vmoodledoadd2', 'local_vmoodle'));
if (debugging()) {
$opts['view'] = 'management';
$opts['what'] = 'doadd';
$opts['step'] = 2;
echo "<center>";
echo $OUTPUT->single_button(new moodle_url('/local/vmoodle/view.php', $opts), get_string('skip', 'local_vmoodle'), 'get');
echo "</center>";
}
echo $OUTPUT->continue_button(new moodle_url('/local/vmoodle/view.php', array('view' => 'management', 'what' => 'doadd', 'step' => 2)));
echo $OUTPUT->footer();
die;
}
return 0;
}
/// Get fileset for moodledata
if ($vmoodlestep == 2) {
// debug_trace("step 2 : dumping files");
vmoodle_dump_files_from_template($submitteddata->vtemplate, $submitteddata->vdatapath);
if (empty($automation)) {
echo $OUTPUT->header();
echo $OUTPUT->box(get_string('vmoodledoadd3', 'local_vmoodle'));
echo $OUTPUT->continue_button(new moodle_url('/local/vmoodle/view.php', array('view' => 'management', 'what' => 'doadd', 'step' => 3)));
echo $OUTPUT->footer();
die;
}
return 0;
}
/// Insert proper vmoodle record
if ($vmoodlestep == 3) {
// debug_trace("step 3 : registering");
// Adds the new virtual instance record, with all data if everything is done
$submitteddata->timecreated = time();
$submitteddata->vhostname = preg_replace("/\/$/", '', $submitteddata->vhostname); // fix possible misslashing
if ($submitteddata->mnet == 'NEW') {
$maxmnet = vmoodle_get_last_subnetwork_number();
$submitteddata->mnet = $maxmnet + 1;
}
if (!$idnewblock = $DB->insert_record('local_vmoodle', $submitteddata)) {
// If inserting data in 'local_vmoodle' table has failed.
$message_object->message = get_string('badblockinsert', 'local_vmoodle');
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
if (empty($automation)) {
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
die;
}
mtrace($SESSION->vmoodle_ma['confirm_message']->message);
return -1;
}
if (empty($automation)) {
echo $OUTPUT->header();
echo $OUTPUT->box(get_string('vmoodledoadd4', 'local_vmoodle'));
echo $OUTPUT->continue_button(new moodle_url('/local/vmoodle/view.php', array('view' => 'management', 'what' => 'doadd', 'step' => 4)));
echo $OUTPUT->footer();
die;
}
return 0;
}
/// Mnet bind from master side
if ($vmoodlestep == 4) {
$newmnet_host = new \local_vmoodle\Mnet_Peer();
$newmnet_host->set_wwwroot($submitteddata->vhostname);
$newmnet_host->set_name($submitteddata->name);
// debug_trace("step 4 : configuring MNET");
// If the new host is not using MNET, we discard it from us. There will be no more MNET contact with this host.
// vmoodle_fix_database should have disabled all mnet operations in the remote moodle.
if ($submitteddata->mnet == -1) {
$newmnet_host->updateparams->deleted = 1;
$newmnet_host->commit();
$message_object->message = get_string('successaddnewhostwithoutmnet', 'local_vmoodle');
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
if (empty($automation)) {
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
die; // we have finished
}
return 1;
}
// force renew using remote keyboot.php access
// debug_trace("step 4.1 : booting remote key");
$uri = $submitteddata->vhostname.'/local/vmoodle/keyboot.php';
$rq = 'pk='.urlencode($this_as_host->public_key);
$ch = curl_init("$uri");
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_USERAGENT, 'Moodle');
curl_setopt($ch, CURLOPT_POSTFIELDS, $rq);
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: text/xml charset=UTF-8"));
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
// Try remote key booting.
if (!$res = curl_exec($ch)) {
// If remote keybooting has failed.
// debug_trace("step 4.1 : Failed boot / No CURL response");
$message_object->message = get_string('couldnotkeyboot', 'local_vmoodle', 'CURL Error');
if (empty($automation)) {
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
die;
}
mtrace(get_string('couldnotkeyboot', 'local_vmoodle', 'CURL Error'));
return -1;
}
if (preg_match('/ERROR/', $res)) {
// debug_trace("step 4.1 : Failed boot / ERROR response");
// If remote keybooting has failed.
$message_object->message = get_string('couldnotkeyboot', 'local_vmoodle', $res);
if (empty($automation)) {
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
die;
}
mtrace(get_string('couldnotkeyboot', 'local_vmoodle', $res));
return -1;
}
curl_close($ch);
// Force new virtual host to renew our key and send his own to us.
// debug_trace("step 4.2 : exchanging keys");
if (!$newmnet_host->bootstrap($submitteddata->vhostname, null, 'moodle', 1, $submitteddata->name)) {
// If bootstraping the new host has failed.
// debug_trace("step 4.2 Failed : bootstrap failure");
if (empty($automation)) {
$SESSION->vmoodle_ma['confirm_message'] = 'bootstrap failure';
if (debugging()){
echo $OUTPUT->header();
echo $OUTPUT->continue_button(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
echo $OUTPUT->footer();
die;
} else {
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
}
die;
}
mtrace('bootstrap failure');
return -1;
}
$newmnet_host->updateparams->deleted = 0; // in case already there and needs revive;
$newmnet_host->commit();
// debug_trace("step 4.3 : setting mnetadmin remote side");
// we need to start output here in case of exceptions
// echo $OUTPUT->header();
// Service 'mnetadmin' is needed to speak with new host. Set it our side.
$slavehost = $DB->get_record('mnet_host', array('wwwroot' => $submitteddata->vhostname));
// cleanup any previous records
$DB->delete_records('mnet_host2service', array('hostid' => $slavehost->id));
$mnetadminservice = $DB->get_record('mnet_service', array('name' => 'mnetadmin'));
$host2service = new stdclass();
$host2service->hostid = $slavehost->id;
$host2service->serviceid = $mnetadminservice->id;
$host2service->publish = 0;
$host2service->subscribe = 1;
$DB->insert_record('mnet_host2service', $host2service);
$ssoservice = $DB->get_record('mnet_service', array('name' => 'sso_idp'));
$host2service = new stdclass();
$host2service->hostid = $slavehost->id;
$host2service->serviceid = $ssoservice->id;
$host2service->publish = 1;
$host2service->subscribe = 0;
$DB->insert_record('mnet_host2service', $host2service);
$ssoservice = $DB->get_record('mnet_service', array('name' => 'sso_sp'));
$host2service = new stdclass();
$host2service->hostid = $slavehost->id;
$host2service->serviceid = $ssoservice->id;
$host2service->publish = 0;
$host2service->subscribe = 1;
$DB->insert_record('mnet_host2service', $host2service);
// MNET subnetworking, unless completely isolated
if ($submitteddata->mnet > 0) {
vmoodle_bind_to_network($submitteddata, $newmnet_host);
}
}
// Creating CRON command.
// Obsolete with vrcon rotator.
// Every step was SUCCESS.
$message_object->message = get_string('successaddnewhost', 'local_vmoodle');
$message_object->style = 'notifysuccess';
// Save confirm message before redirection.
// debug_trace("step 4 : Finished");
unset($SESSION->vmoodledata);
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
if (empty($automation)) {
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management'))); // finished
die;
}
return 0; // finished
}
}
}
/**************************** Make the EDIT form ************/
if ($action == 'edit') {
// Retrieve the vmoodle platform data.
$id = required_param('id', PARAM_INT);
if ($platform_form = $DB->get_record('local_vmoodle', array('id' => $id))) {
/*
$message_object->message = get_string('badmoodleid', 'local_vmoodle');
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
header('Location: view.php?view=management');
*/
// Print title (heading).
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('editvmoodle', 'local_vmoodle'));
// Print beginning of a box.
echo $OUTPUT->box_start();
// Displays the form with data (and errors).
$form = new \local_vmoodle\Host_Form('edit');
$form->set_data($platform_form);
$form->display();
// Print ending of a box.
echo $OUTPUT->box_end();
echo $OUTPUT->footer();
die;
}
}
/**************************** Do EDIT actions ************/
if ($action == 'doedit') {
// Retrieves data from the edit form.
$platform_form = new \local_vmoodle\Host_Form('edit');
// Checks if form is cancelled
if ($platform_form->is_cancelled()) {
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
die;
}
// If there is submitted data (no errors).
if ($submitteddata = $platform_form->get_data()) {
// Updates the host, with all data.
$olddata = $DB->get_record('local_vmoodle', array('id' => $submitteddata->id));
$success = false;
if (!$DB->update_record('local_vmoodle', $submitteddata)) {
// If updating data in 'local_vmoodle' table has failed.
$message_object->message = get_string('badblockupdate', 'local_vmoodle');
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
die;
}
// Updates MNET state, if required.
if($olddata->mnet != $submitteddata->mnet){
// Creating the needed mnet_peer object, to do actions.
$edited_host = new \local_vmoodle\Mnet_Peer();
if (!$edited_host->bootstrap($olddata->vhostname, null, 'moodle', 1)) {
// If bootstraping the host has failed.
$message_object->message = get_string('badbootstraphost', 'local_vmoodle', $olddata->vhostname).' = '.$submitteddata->mnet;
if (debugging()){
echo $OUTPUT->header();
echo implode('<br/>', $edited_host->errors);
echo $OUTPUT->continue_button('view.php?view=management');
echo $OUTPUT->footer();
} else {
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
}
die;
}
// Retrieves last subnetwork members.
if ($olddata->mnet > 0) {
$lastsubnetwork_hosts = array();
$lastsubnetwork_members = $DB->get_records_sql('select * from {local_vmoodle} WHERE id != '.$olddata->id.' AND mnet = '.$olddata->mnet.' AND enabled = 1');
if (!empty($lastsubnetwork_members)) {
foreach ($lastsubnetwork_members as $lastsubnetwork_member) {
$temp_host = new stdClass();
$temp_host->wwwroot = $lastsubnetwork_member->vhostname;
$temp_host->name = utf8_decode($lastsubnetwork_member->name);
$lastsubnetwork_hosts[] = $temp_host;
}
}
}
// Prepares future subnetwork members.
if ($submitteddata->mnet > 0) {
$subnetwork_hosts = array();
$subnetwork_members = $DB->get_records_sql(' select * from {local_vmoodle} WHERE id != '.$submitteddata->id.' AND mnet = '.$submitteddata->mnet.' AND enabled = 1');
if (!empty($subnetwork_members)) {
foreach ($subnetwork_members as $subnetwork_member) {
$temp_host = new stdClass();
$temp_host->wwwroot = $subnetwork_member->vhostname;
$temp_host->name = utf8_decode($subnetwork_member->name);
$subnetwork_hosts[] = $temp_host;
}
}
}
/*
* Deletes peer in last subnetwork members, and disconnects
* peer from them, if was subnetworking.
*/
if ($olddata->mnet > 0) {
// Call to 'unbind_peer'.
$rpc_client = new \local_vmoodle\XmlRpc_Client();
$rpc_client->set_method('local/vmoodle/rpclib.php/mnetadmin_rpc_unbind_peer');
// Authentication params.
$rpc_client->add_param($USER->username, 'string');
$userhostroot = $DB->get_field('mnet_host', 'wwwroot', array('id' => $USER->mnethostid));
$rpc_client->add_param($userhostroot, 'string');
$rpc_client->add_param($CFG->wwwroot, 'string');
// Peer to unbind from.
$rpc_client->add_param($edited_host->wwwroot, 'string');
foreach($lastsubnetwork_hosts as $lastsubnetwork_host){
$temp_member = new \local_vmoodle\Mnet_Peer();
$temp_member->set_wwwroot($lastsubnetwork_host->wwwroot);
// RPC error.
if(!$rpc_client->send($temp_member)){
echo $OUTPUT->notification(implode('<br />', $rpc_client->getErrors($temp_member)));
if (debugging()){
echo '<pre>';
var_dump($rpc_client);
echo '</pre>';
}
}
// unbind other from edited
// Call to 'disconnect_from_subnetwork'.
$rpc_client_2 = new \local_vmoodle\XmlRpc_Client();
$rpc_client_2->set_method('local/vmoodle/rpclib.php/mnetadmin_rpc_unbind_peer');
// Authentication params.
$rpc_client_2->add_param($USER->username, 'string');
$userhostroot = $DB->get_field('mnet_host', 'wwwroot', array('id' => $USER->mnethostid));
$rpc_client_2->add_param($userhostroot, 'string');
$rpc_client_2->add_param($CFG->wwwroot, 'string');
// Other to unbind from.
$rpc_client_2->add_param($lastsubnetwork_host->wwwroot, 'string');
// RPC error.
if (!$rpc_client_2->send($edited_host)) {
echo $OUTPUT->header();
echo $OUTPUT->notification(implode('<br />', $rpc_client_2->getErrors($edited_host)));
if (debugging()) {
echo '<pre>';
var_dump($rpc_client_2);
echo '</pre>';
}
// echo $OUTPUT->footer();
}
unset($rpc_client_2);
}
}
/*
* Rebind peer to the new subnetwork members, and connect
* it to them, if it is subnetworking and not creating new subnetwork.
*/
if (($submitteddata->mnet > 0) && ($submitteddata->mnet <= vmoodle_get_last_subnetwork_number())) {
vmoodle_bind_to_network($submitteddata, $edited_host);
}
// first check for global mnet disabing/reviving
if ($submitteddata->mnet > -1) {
$edited_host->updateparams->deleted = 0;
} else {
// this host has been unbound from all others
// we should remotely disable its network
$edited_host->updateparams->deleted = 1;
$edited_host->commit();
}
// Every step was SUCCESS.
$success = true;
} else {
// Every step was SUCCESS.
$success = true;
}
// Every step was SUCCESS.
if (isset($success) && $success) {
$message_object->message = get_string('successedithost', 'local_vmoodle').' ';
$message_object->style = 'notifysuccess';
}
// Save confirm message before redirection.
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
redirect(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
die;
}
}
/**************************** Enables a Vmoodle ************/
if ($action == 'enable') {
$vmoodleid = required_param('id', PARAM_INT);
$DB->set_field('local_vmoodle', 'enabled', 1, array('id' => $vmoodleid));
}
/**************************** Disables a vmoodle ************/
if ($action == 'disable') {
$vmoodleid = required_param('id', PARAM_INT);
$DB->set_field('local_vmoodle', 'enabled', 0, array('id' => $vmoodleid));
}
/**************************** Snapshots a Vmoodle in the templates ************/
if ($action == 'snapshot'){
// Parsing url for building the template name.
if (empty($automation)) {
$wwwroot = optional_param('wwwroot', '', PARAM_URL);
$vmoodlestep = optional_param('step', 0, PARAM_INT);
}
$hostname = preg_replace('/https?:\/\//', '', $wwwroot);
$hostname = str_replace(':', '_', $hostname);
$hostname = str_replace('.', '_', $hostname);
$hostname = str_replace('-', '_', $hostname);
$hostname = str_replace('/', '_', $hostname);
$hostname = str_replace('\\', '_', $hostname);
// Make template directory (files and SQL).
$templatefoldername = 'vmoodle';
$separator = DIRECTORY_SEPARATOR;
$relative_datadir = $templatefoldername.$separator.$hostname.'_vmoodledata';
$absolute_datadir = $CFG->dataroot.$separator.$relative_datadir;
$relative_sqldir = $templatefoldername.$separator.$hostname.'_sql';
$absolute_sqldir = $CFG->dataroot.$separator.$relative_sqldir;
if (preg_match('/ /', $absolute_sqldir)) {
print_error('errorbaddirectorylocation', 'local_vmoodle');
if ($automation) {
return -1;
}
}
if (!filesystem_is_dir('vmoodle', $CFG->dataroot)) {
mkdir($CFG->dataroot.'/vmoodle');
}
if ($vmoodlestep == 0) {
// Create directories, if necessary.
if (!filesystem_is_dir($relative_datadir, $CFG->dataroot)) {
mkdir($absolute_datadir, 0777, true);
} else {
filesystem_clear_dir($relative_datadir, false, $CFG->dataroot);
}
if (!filesystem_is_dir($relative_sqldir, $CFG->dataroot)) {
mkdir($absolute_sqldir, 0777, true);
}
if (empty($automation)) {
echo $OUTPUT->header();
echo $OUTPUT->box(get_string('vmoodlesnapshot1', 'local_vmoodle'));
echo $OUTPUT->continue_button(new moodle_url('/local/vmoodle/view.php', array('view' => 'management', 'what' => 'snapshot', 'step' => 1, 'wwwroot' => $wwwroot)));
echo $OUTPUT->footer();
die;
} else {
// Chain following steps
$vmoodlestep++;
}
}
if ($vmoodlestep > 0) {
if ($wwwroot == $CFG->wwwroot) {
// Make fake Vmoodle record.
$vmoodle = vmoodle_make_this();
$vdatabase = '';
$vdatapath = $CFG->dataroot;
} else {
// Get Vmoodle known record.
$vmoodle = $DB->get_record('local_vmoodle', array('vhostname' => $wwwroot));
$vdatabase = '';
$vdatapath = $vmoodle->vdatapath;
}
if ($vmoodlestep == 1) {
echo $OUTPUT->header();
// Auto dump the database in a master template_folder.
if (!vmoodle_dump_database($vmoodle, $absolute_sqldir.$separator.'vmoodle_master.sql')) {
print_error('baddumpcommandpath', 'local_vmoodle');
if ($automation) {
return -1;
}
}
if (empty($automation)) {
echo $OUTPUT->box(get_string('vmoodlesnapshot2', 'local_vmoodle'));
$params = array('view' => 'management', 'what' => 'snapshot', 'step' => 2, 'wwwroot' => $wwwroot);
echo $OUTPUT->continue_button(new moodle_url('/local/vmoodle/view.php', $params));
echo $OUTPUT->footer();
die;
}
}
// End of process.
// copy moodle data and protect against copy recursion.
// $CFG->filedebug = 1;
filesystem_copy_tree($vdatapath, $absolute_datadir, $vdatabase, array("^$templatefoldername\$"));
// Remove Vmoodle clone session, temp and cache dir.
filesystem_clear_dir($relative_datadir.$separator.'sessions', true);
filesystem_clear_dir($relative_datadir.$separator.'temp', true);
filesystem_clear_dir($relative_datadir.$separator.'cache', true);
// Store original hostname for further database replacements.
$FILE = fopen($absolute_sqldir.$separator.'manifest.php', 'w');
fwrite($FILE, "<?php\n ");
fwrite($FILE, "\$templatewwwroot = '".$wwwroot."';\n");
fwrite($FILE, "\$templatevdbprefix = '".$CFG->prefix."';\n ");
fwrite($FILE, "?>");
fclose($FILE);
if (empty($automation)) {
// Every step was SUCCESS.
$message_object->message = get_string('successfinishedcapture', 'local_vmoodle');
$message_object->style = 'notifysuccess';
// Save confirm message before redirection.
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
echo $OUTPUT->header();
echo $OUTPUT->box(get_string('vmoodlesnapshot3', 'local_vmoodle'));
echo $OUTPUT->continue_button(new moodle_url('/local/vmoodle/view.php', array('view' => 'management')));
echo $OUTPUT->footer();
die;
} else {
mtrace(get_string('successfinishedcapture', 'local_vmoodle'));
}
}
}
/**************************** Delete a Vmoodle and uninstall it ************/
if (($action == 'delete') || ($action == 'fulldelete')) {
$id = required_param('id', PARAM_INT);
// Unmarks the Vmoodle in everyplace (subnetwork, common).
if ($vmoodle = $DB->get_record('local_vmoodle', array('id' => $id))) {
if($vmoodle_host = $DB->get_record('mnet_host', array('wwwroot' => $vmoodle->vhostname))) {
// debug_trace('Deleting vmoodle host');
if (($vmoodle_host->deleted == 0)) {
$vmoodle_host->deleted = 1;
$DB->update_record('mnet_host', $vmoodle_host);
/*
if($vmoodle->mnet == 0 || $vmoodle->mnet == -1) {
$sqlrequest = 'DELETE
FROM
{local_vmoodle}
WHERE
id='.$id;
if($DB->execute($sqlrequest)) {
$message_object->message = get_string('successdeletehost', 'local_vmoodle');
$message_object->style = 'notifysuccess';
}
else {
$message_object->message = get_string('badhostalreadydeleted', 'local_vmoodle');
$message_object->style = 'notifysuccess';
}
}
*/
}
if (($vmoodle->enabled == 1)) {
// Deletes(unmarking) the local record and host. It could be regenerated.
$vmoodle->enabled = 0;
$vmoodle->vdatapath = addslashes($vmoodle->vdatapath);
$vmoodle_host->deleted = 1;
$DB->update_record('local_vmoodle', $vmoodle);
$DB->update_record('mnet_host', $vmoodle_host);
// Members of the subnetwork delete the host.
if ($vmoodle->mnet > 0) {
$subnetwork_hosts = array();
$sql = "
SELECT
*
FROM
{local_vmoodle}
WHERE
vhostname != ? AND
mnet = ? AND
enabled = 1
ORDER BY
vhostname
";
$subnetwork_members = $DB->get_records_sql($sql, array($vmoodle->vhostname, $vmoodle->mnet));
if (!empty($subnetwork_members)) {
foreach ($subnetwork_members as $subnetwork_member) {
$temp_host = new stdClass();
$temp_host->wwwroot = $subnetwork_member->vhostname;
$temp_host->name = utf8_decode($subnetwork_member->name);
$subnetwork_hosts[] = $temp_host;
}
}
if (count($subnetwork_hosts) > 0) {
$rpc_client = new \local_vmoodle\XmlRpc_Client();
$rpc_client->set_method('local/vmoodle/rpclib.php/mnetadmin_rpc_unbind_peer');
$rpc_client->add_param($vmoodle->vhostname, 'string');
foreach ($subnetwork_hosts as $subnetwork_host) {
$temp_member = new mnet_peer();
$temp_member->set_wwwroot($subnetwork_host->wwwroot);
// RPC error.
if (!$rpc_client->send($temp_member)) {
echo $OUTPUT->notification(implode('<br />', $rpc_client->getErrors($temp_member)));if (debugging()){echo '<pre>';var_dump($rpc_client);echo '</pre>';}
}
}
$rpc_client = new \local_vmoodle\XmlRpc_Client();
$rpc_client->set_method('local/vmoodle/rpclib.php/mnetadmin_rpc_disconnect_from_subnetwork');
$rpc_client->add_param($subnetwork_hosts, 'array');
$deleted_peer = new mnet_peer();
$deleted_peer->set_wwwroot($vmoodle_host->wwwroot);
// RPC error.
if(!$rpc_client->send($deleted_peer)){echo $OUTPUT->notification(implode('<br />', $rpc_client->getErrors($deleted_peer)));if (debugging()){echo '<pre>';var_dump($rpc_client);echo '</pre>';}}
}
// Every step was SUCCESS.
$message_object->message = get_string('successdeletehost', 'local_vmoodle');
$message_object->style = 'notifysuccess';
}
} else {
// If trying to delete an already deleted host.
$message_object->message = get_string('badhostalreadydeleted', 'local_vmoodle');
}
} else {
// If local_vmoodles and host are not synchronized.
$sqlrequest = 'DELETE
FROM
{local_vmoodle}
WHERE
id='.$id;
if($DB->execute($sqlrequest)) {
$message_object->message = get_string('successdeletehost', 'local_vmoodle');
$message_object->style = 'notifysuccess';
} else {
$message_object->message = get_string('badhostalreadydeleted', 'local_vmoodle');
$message_object->style = 'notifysuccess';
}
}
} else {
// If the Vmoodle record doesn't exist in the block, because of a manual action.
$message_object->message = get_string('novmoodle', 'local_vmoodle');
}
if ($action == 'fulldelete'){
debug_trace('Full deleting vmoodle host');
vmoodle_destroy($vmoodle);
}
/* // Save confirm message before redirection.
$SESSION->vmoodle_ma['confirm_message'] = $message_object;
header('Location: view.php?view=management');
return -1; */
}
/********************* Just rough destroy without care (for bulk cleaning) ************/
if ($action == 'destroy') {
// If there is submitted data from form or in session (no errors).
if (isset($SESSION->vmoodledata)) {
$submitteddata = $SESSION->vmoodledata;
} else {
$id = required_param('id', PARAM_INT);
$submitteddata = $DB->get_record('local_vmoodle', array('id' => $id));
}
if ($submitteddata) {
debug_trace('Destroying vmoodle host');
vmoodle_destroy($submitteddata);
}
}
/********************* Run an interactive cronlike trigger forcing key renew on all vmoodle ************/
if ($action == 'renewall'){
// self renew
echo $OUTPUT->header();
echo '<pre>';
$renewuri = $CFG->wwwroot.'/admin/cron.php?forcerenew=1';
echo "Running on : $renewuri\n";