create_instance.in 23.7 KB
Newer Older
1
2
#!/usr/bin/perl -w
#
3
# Copyright (c) 2008-2015 University of Utah and the Flux Group.
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
# 
# {{{GENIPUBLIC-LICENSE
# 
# GENI Public License
# 
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and/or hardware specification (the "Work") to
# deal in the Work without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Work, and to permit persons to whom the Work
# is furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Work.
# 
# THE WORK IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE WORK OR THE USE OR OTHER DEALINGS
# IN THE WORK.
# 
# }}}
#
use strict;
use English;
use Getopt::Std;
use XML::Simple;
34
use File::Temp qw(tempfile :POSIX );
35
use Data::Dumper;
36
use Cwd qw(realpath);
37
38
39
40
41
42

#
# Create a quick VM.
# 
sub usage()
{
43
    print "Usage: quickvm [-u uuid] [-a aggregate] <xmlfile>\n";
44
45
    exit(1);
}
46
my $optlist = "dvu:a:t:f";
47
48
my $debug   = 0;
my $verbose = 1;
49
my $DEFAULT_URN  = "urn:publicid:IDN+apt.emulab.net+authority+cm";
50
my $xmlfile;
51
52
53
my $webtask;
my $webtask_id;
my $foreground = 0;
54
my $localuser  = 0;
55
my $quickuuid;
56
my $aggregate;
57
my $this_user;
58
my $xmlparse;
59
60
61
62

# Protos
sub fatal($);
sub UserError($);
63
sub SnapShot($$$);
64
sub GenCredentials($$$$);
65
sub CreateDatasetCreds($$$$$);
66
67
68
69
70
71
72
73

#
# Configure variables
#
my $TB		  = "@prefix@";
my $TBOPS         = "@TBOPSEMAIL@";
my $TBLOGS        = "@TBLOGSEMAIL@";
my $OURDOMAIN     = "@OURDOMAIN@";
74
my $MAINSITE      = @TBMAINSITE@;
75
76
77
78
my $PGENIDOMAIN   = "@PROTOGENI_DOMAIN@";
my $SACERT	  = "$TB/etc/genisa.pem";
my $CMCERT	  = "$TB/etc/genicm.pem";
my $SSHKEYGEN     = "/usr/bin/ssh-keygen";
79
my $SSHSETUP      = "$TB/sbin/aptssh-setup";
80
my $ADDPUBKEY     = "$TB/sbin/addpubkey";
81
my $UPDATEGENIUSER= "$TB/sbin/protogeni/updategeniuser";
82
83
84
85
86
87
88
89
90
91
92
93

# un-taint path
$ENV{'PATH'} = '/bin:/usr/bin:/usr/local/bin:/usr/site/bin';
delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};

#
# Turn off line buffering on output
#
$| = 1; 

# Load the Testbed support stuff.
use lib "@prefix@/lib";
94
use EmulabConstants;
95
96
use libtestbed;
use libaudit;
Leigh B Stoller's avatar
Leigh B Stoller committed
97
use APT_Profile;
Leigh B Stoller's avatar
Leigh B Stoller committed
98
use APT_Instance;
99
use APT_Geni;
100
use APT_Dataset;
101
use User;
102
use Project;
103
104
105
106
107
108
109
110
111
112
113
use OSinfo;
use emutil;
use GeniDB;
use GeniUser;
use GeniCertificate;
use GeniCredential;
use GeniSlice;
use GeniAuthority;
use GeniHRN;
use Genixmlrpc;
use GeniResponse;
114
use GeniXML;
115
use WebTask;
116
117
118
119
120
121
122
123
124

#
# Parse command arguments. Once we return from getopts, all that should be
# left are the required arguments.
#
my %options = ();
if (! getopts($optlist, \%options)) {
    usage();
}
125
126
127
if (defined($options{"a"})) {
    $aggregate = $options{"a"};
}
128
129
130
131
132
133
if (defined($options{"d"})) {
    $debug = 1;
}
if (defined($options{"v"})) {
    $verbose = 1;
}
134
135
136
137
138
139
if (defined($options{"f"})) {
    $foreground = 1;
}
if (defined($options{"t"})) {
    $webtask_id = $options{"t"};
}
140
141
142
if (defined($options{"u"})) {
    $quickuuid = $options{"u"};
}
143
if (@ARGV < 1) {
144
145
    usage();
}
146
$xmlfile = shift(@ARGV);
147

148
149
150
151
152
153
#
# Check the filename when invoked from the web interface; must be a
# file in /tmp.
#
if (getpwuid($UID) ne "nobody") {
    $this_user = User->ThisUser();
154

155
156
157
158
159
160
161
162
163
164
165
    if (! defined($this_user)) {
	fatal("You ($UID) do not exist!");
    }
    $localuser = 1;
}
if (!defined($this_user) || !$this_user->IsAdmin()) {
    if ($xmlfile =~ /^([-\w\.\/]+)$/) {
	$xmlfile = $1;
    }
    else {
	fatal("Bad data in pathname: $xmlfile");
166
167
    }

168
169
170
171
172
173
174
    # Use realpath to resolve any symlinks.
    my $translated = realpath($xmlfile);
    if ($translated =~ /^(\/tmp\/[-\w\.\/]+)$/) {
	$xmlfile = $1;
    }
    else {
	fatal("Bad data in translated pathname: $xmlfile");
175
176
177
    }
}

178
179
180
# Email record.
if (! $debug) {
    AuditStart(0, undef, LIBAUDIT_LOGTBLOGS()|LIBAUDIT_LOGONLY());
181
    AddAuditInfo("cc", "aptnet-logs\@flux.utah.edu");
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

# Connect to the SA DB.
DBConnect(GENISA_DBNAME());

#
# Load the SA cert to act as caller context.
#
my $sa_certificate = GeniCertificate->LoadFromFile($SACERT);
if (!defined($sa_certificate)) {
    fatal("Could not load certificate from $SACERT\n");
}
my $sa_authority = GeniAuthority->Lookup($sa_certificate->urn());
if (!defined($sa_authority)) {
    fatal("Could not load SA authority object");
}

#
# We want to contact our local CM to create the sliver.
# We use the normal XMLRPC route.
#
my $context = Genixmlrpc->Context($sa_certificate);
if (!defined($context)) {
    fatal("Could not create context to talk to CM");
}
Genixmlrpc->SetContext($context);

#
210
# Load the CM authority, since that is who we talk to.
211
#
212
213
my $CMURN;

214
215
216
if (defined($aggregate)) {
    $CMURN = $aggregate;
}
217
else {
218
    $CMURN = $DEFAULT_URN;
219
220
}
my $cm_authority = GeniAuthority->Lookup($CMURN);
221
if (!defined($cm_authority)) {
222
223
224
225
    $cm_authority = GeniAuthority->CreateFromRegistry("cm", $CMURN);
    if (!defined($cm_authority)) {    
	fatal("Could not load CM authority object");
    }
226
}
227
228
my $cmurl = $cm_authority->url();
#$cmurl =~ s/protogeni/protogeni\/stoller/;
229

230
231
232
my $iscloudlab =
    ($CMURN eq "urn:publicid:IDN+utah.cloudlab.us+authority+cm" ? 1 : 0);

233
234
235
#
# Must wrap the parser in eval since it exits on error.
#
236
237
238
239
$xmlparse = eval { XMLin($xmlfile,
			 VarAttr => 'name',
			 ContentKey => '-content',
			 SuppressEmpty => undef); };
240
241
242
243
244
245
fatal($@)
    if ($@);

#
# Make sure all the required arguments were provided.
#
246
foreach my $key ("username", "email", "profile") {
247
248
249
250
251
252
253
254
255
    fatal("Missing required attribute '$key'")
	if (! (exists($xmlparse->{'attribute'}->{"$key"}) &&
	       defined($xmlparse->{'attribute'}->{"$key"}) &&
	       $xmlparse->{'attribute'}->{"$key"} ne ""));
}

#
# Gather up args and sanity check.
#
256
my ($value, $user_urn, $user_uid, $user_hrn, $user_email, $project, $pid,
257
    $sshkey, $profile, $profileid, $version, $rspecstr, $errmsg);
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278

#
# Username and email has to be acceptable to Emulab user system.
#
$value = $xmlparse->{'attribute'}->{"username"}->{'value'};
if (! TBcheck_dbslot($value, "users", "usr_name",
		     TBDB_CHECKDBSLOT_WARN|TBDB_CHECKDBSLOT_ERROR)) {
    fatal("Illegal username: $value");
}
$user_uid = $value;
$user_urn = GeniHRN::Generate("$OURDOMAIN", "user", $user_uid);
$user_hrn = "${PGENIDOMAIN}.${user_uid}";

$value = $xmlparse->{'attribute'}->{"email"}->{'value'};
if (! TBcheck_dbslot($value, "users", "usr_email",
		     TBDB_CHECKDBSLOT_WARN|TBDB_CHECKDBSLOT_ERROR)) {
    fatal("Illegal email address: $value");
}
$user_email = $value;

#
279
# Profile.
280
#
281
# This is a safe lookup.
282
283
284
$value = $xmlparse->{'attribute'}->{"profile"}->{'value'};
$profile = APT_Profile->Lookup($value);
if (!defined($profile)) {
Leigh B Stoller's avatar
Leigh B Stoller committed
285
    fatal("No such profile: $value");
286
}
287
288
$profileid = $profile->profileid();
$version   = $profile->version();
289

290
#
291
# Optional rspec, as for a Parameterized Profile.
292
#
293
294
if (exists($xmlparse->{'attribute'}->{"rspec"})) {
    $rspecstr  = $xmlparse->{'attribute'}->{"rspec"}->{'value'};
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
else {
    $rspecstr  = $profile->CheckFirewall(!$localuser);
    #
    # Temp hack; replace URNs with URLs.
    #
    if (1 && $profile->ConvertDiskImages()) {
	fatal("Not able to convert disk_image URNs to URLs.");
    }
    #
    # Look for datasets; need to verify that the datasets being referenced
    # still exist and are still permissible to use, and we have to generate
    # credentials for those datasets (if not a global dataset). The tricky
    # aspect is that while a dataset and a profile have project permissions,
    # the experiment has no project association, so if the profile/dataset
    # perms are okay, then we send over a credential that tells the CM to
    # allow this experiment to use that dataset in that project. 
    #
    $errmsg = "Bad dataset";
    if (APT_Profile::CheckDatasets($rspecstr, $profile->pid(), \$errmsg)) {
	UserError($errmsg);
    }
    #
    # A temporary hack to make sure that the user does not try to run
    # an x386 image on the Cloudlab cluster (ARMs). This will eventually
    # get replaced with Jon's constraint checking code.
    #
    if ($profile->CheckNodeConstraints($iscloudlab, \$errmsg)) {
	UserError($errmsg);
    }
325
326
}

327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
#
# Use ssh-keygen to see if the key is valid and convertable. We first
# try to get the fingerprint, which will tells us if its already in
# openssh format. If not, try to convert it.
#
if (exists($xmlparse->{'attribute'}->{"sshkey"}) &&
    defined($xmlparse->{'attribute'}->{"sshkey"}) &&
    $xmlparse->{'attribute'}->{"sshkey"} ne "") {
    $sshkey = $xmlparse->{'attribute'}->{"sshkey"}->{'value'};
    my ($fh, $keyfile) = tempfile(UNLINK => 0);
    print $fh $sshkey;

    if (system("$SSHKEYGEN -l -f $keyfile >/dev/null 2>/dev/null")) {
	if (! open(KEYGEN, "$SSHKEYGEN -i -f $keyfile 2>/dev/null |")) {
	    fatal("Could not start ssh-keygen");
	}
	$sshkey = <KEYGEN>;
	if (!close(KEYGEN)) {
	    UserError("Could not parse ssh key!");
	}
    }
348
349
    close($fh);
    unlink($keyfile);
350
}
351
352
chomp($sshkey)
    if (defined($sshkey));
353
354
355
356
357
358

#
# See if the GeniUser exists. Create if not, but that means we
# have to create an ssl certificate (which the user will never see)
# so that we can operate on behalf of the user (via speaksfor).
#
359
360
361
362
363
364
365
# Note that we want to check for the user local account ahead of
# SA account, to bypass their guest account that might still be
# in the table.
#
my $geniuser;

if ($localuser) {
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
    my $emulab_user = User->Lookup($user_uid);
    
    #
    # Hmm, users with real accounts who never used Geni, but now want
    # to use APT/Cloud, have no encrypted SSL certificate. Rather then
    # force them through the web ui (and have to explain it), create one
    # for them using a random passphrase. The user will not know the
    # passphrase, but for most users it will not matter.
    #
    # This is also going to catch expired certificates, we will regenerate
    # them using the existing passphrase.
    #
    if ($emulab_user->HasValidEncryptedCert() == 0 &&
	$emulab_user->GenEncryptedCert()) {
	fatal("Could not (re)generate encrypted certificate");
    }
    # Now this will work; without a certificate, this would fail.
    if (defined($emulab_user)) {
	$geniuser = GeniUser::LocalUser->Create($emulab_user);
    }
386
387
388
389
}
else {
    $geniuser = GeniUser->Lookup($user_urn);

390
391
392
    #
    # In Utah, check for alternate SA
    #
393
    if (!defined($geniuser) && $MAINSITE) {
394
395
	$user_urn = GeniHRN::Generate("aptlab.net", "user", $user_uid);
	$user_hrn = "aptlab.${user_uid}";
396
	$geniuser = GeniUser->Lookup($user_urn, 0);
397
398
    }
}
399
if (!defined($geniuser)) {
400
401
402
    if ($localuser) {
	fatal("Could not lookup local user $user_urn");
    }
403
    
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
    #
    # Do not allow overlap with local users.
    #
    if (User->Lookup($user_uid)) {
	fatal("User $user_uid exists in the local user table");
    }

    print "Geni user does not exist; creating one ...\n"
	if ($debug);

    #
    # Want to remember the auth token we emailed for later.
    #
    my $auth_token = $xmlparse->{'attribute'}->{"auth_token"}->{'value'};
    if ($auth_token !~ /^[\w]+$/) {
	fatal("Bad auth token: $auth_token");
    }
421
422
423
424
425
426
427
428
    my $blob = {"urn"      => $user_urn,
		"hrn"      => $user_hrn,
		"email"    => $user_email,
		"showuuid" => 1};
    if ($MAINSITE) {
	$blob->{'useaptca'} = 1;
    }
    my $certificate = GeniCertificate->Create($blob);
429
430
431
432
433
434
435
436
437
438
    fatal("Could not create certificate")
	if (!defined($certificate));

    $geniuser = GeniUser->Create($certificate, $sa_authority);
    fatal("Could not create new geni user")
	if (!defined($geniuser));

    $geniuser->SetAuthToken($auth_token);

    #
Leigh B Stoller's avatar
Leigh B Stoller committed
439
    # Setup browser ssh.
440
    #
441
442
443
    system("$SSHSETUP " . $geniuser->uuid());
    fatal("Could not create ssh key pair")
	if ($?);
444
445
446
447
}
my $user_uuid = $geniuser->uuid();
# So we know this user has dome something lately.
$geniuser->BumpActivity();
448

449
450
451
if ($localuser) {
    my $emulab_user = $geniuser->emulab_user();
    if ($emulab_user->IsNonLocal()) {
452
453
	#
	# A user created from a Geni certificate via geni-login. We
454
455
	# asked for the current ssh keys from the MA when they logged
	# in, but we ask again to make sure have the latest keys.
456
	#
457
	system("$UPDATEGENIUSER -s " . $emulab_user->uid());
458
	if (0) {
459
460
	    fatal("Could not update ssh keys for nonlocal user");
	}
461
462
463

	# Nonlocal users get the holding project.
	$pid = "CloudLab";
464
    }
465
    elsif (defined($sshkey) && !$emulab_user->LookupSSHKey($sshkey)) {
466
467
468
469
470
471
	#
	# XXX This is deprecated; we no longer show the ssh box to
	#     real users. Remove when we are satisfied with new
	#     ssh key management page.
	#
	
472
	#
473
474
475
476
	# A local user. We mark keys that come through this path
	# with the isaptkey flag (-a to addpubkey) so that we know
	# which key in the DB it is. The reason for this is that the
	# user might be a classic emulab user, but is now using the
477
478
479
480
481
	# APT/Cloud UI. The key provided in the web interface will
	# replace this key.
	#
	# XXX This is in flux, we now allow APT users to manage all
	# their keys via the web interface.
482
	#
483
484
485
	my ($fh, $keyfile) = tempfile(UNLINK => 0);
	print $fh $sshkey;

486
	if (system("$ADDPUBKEY -a -u $user_uid -f $keyfile")) {
487
488
489
490
491
	    fatal("Could not add new ssh pubkey");
	}
	close($fh);
	unlink($keyfile);
    }
492
493
494
495
496
497
498
499
500
501
502
503
504
505
    #
    # Hmm, users with real accounts who never used Geni, but now want
    # to use APT/Cloud, have no encrypted SSL certificate. Rather then
    # force them through the web ui (and have to explain it), create one
    # for them using a random passphrase. The user will not know the
    # passphrase, but for most users it will not matter.
    #
    # This is also going to catch expired certificates, we will regenerate
    # them using the existing passphrase.
    #
    if ($emulab_user->HasValidEncryptedCert() == 0 &&
	$emulab_user->GenEncryptedCert()) {
	fatal("Could not (re)generate encrypted certificate");
    }
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523

    # Local users are required to select a project.
    if (! exists($xmlparse->{'attribute'}->{"pid"})) {
	fatal("No project provided for new instance");
    }
    $project = Project->Lookup($xmlparse->{'attribute'}->{"pid"}->{"value"});
    if (!defined($project)) {
	fatal("Project provided does not exist");
    }
    if (!$project->AccessCheck($emulab_user, TB_PROJECT_CREATEEXPT)) {
	fatal("No permission to create experiments in project $pid");
    }
    $pid = $project->pid();
}
elsif (!$localuser) {
    if (defined($sshkey)) {    #
	# Guest user; remember key. For now we accept only one key. We store
	# it simply so we can display it again for the user in the web
524
	# interface. We allow key reuse for existing users, see above.
525
526
527
528
529
530
	#
	$geniuser->DeleteKeys();
	$geniuser->AddKey($sshkey);
    }
    # Guest users get a holding project.
    $pid = "aptguests";
531
}
Leigh B Stoller's avatar
Leigh B Stoller committed
532
# There will be "internal" keys cause we pass the flag asking for them.
533
my @sshkeys;
Leigh B Stoller's avatar
Leigh B Stoller committed
534
if ($geniuser->GetKeyBundle(\@sshkeys, 1) < 0 || !@sshkeys) {
535
536
537
    fatal("No ssh keys to use for $geniuser!");
}

538
539
540
# Generate the extra credentials that tells the backend this experiment
# can access the datasets.
my @dataset_credentials = ();
541
542
543
544
545
546
547
if (defined($profile)) {
    my $retval = CreateDatasetCreds($rspecstr,
				    $profile->pid(), $geniuser, 
				    \$errmsg, \@dataset_credentials);
    if ($retval) {
	($retval < 0 ? fatal($errmsg) : UserError($errmsg));
    }
548
549
}

550
#
551
552
553
#
# Now generate a slice registration and credential
#
554
555
my $safe_uid    = $user_uid; $safe_uid =~ s/_/-/;
my $slice_id    = $safe_uid . "-QV" . TBGetUniqueIndex('next_quickvm', 1);
556
my $slice_urn   = GeniHRN::Generate("${OURDOMAIN}:${pid}", "slice", $slice_id);
557
558
my $slice_hrn   = "${PGENIDOMAIN}.${slice_id}";
my $SERVER_NAME = (exists($ENV{"SERVER_NAME"}) ? $ENV{"SERVER_NAME"} : "");
559

560
print STDERR "\n";
561
562
print STDERR "User:    $user_urn\n";
print STDERR "Email:   $user_email" . (!$localuser ? " (guest)" : "") . "\n";
563
564
565
if (defined($profile)) {
    print STDERR "Profile: " . $profile->name() . ":${version}\n";
}
566
567
print STDERR "Slice:   $slice_urn\n";
print STDERR "Server:  $SERVER_NAME\n";
568
print STDERR "Cluster: $CMURN\n";
Leigh B Stoller's avatar
Leigh B Stoller committed
569
print STDERR "\n";
570
571
print STDERR "$rspecstr\n";

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
#
# Make sure slice is unique. Probably retry here at some point. 
#
if (GeniSlice->Lookup($slice_hrn) || GeniSlice->Lookup($slice_urn)) {
    fatal("Could not form a unique slice name");
}
	    
#
# Generate a certificate for this new slice.
#
my $slice_certificate =
    GeniCertificate->Create({'urn'  => $slice_urn,
			     'hrn'  => $slice_hrn,
			     'showuuid' => 1,
			     'email'=> $user_email});

if (!defined($slice_certificate)) {
    fatal("Could not generate certificate for $slice_urn");
}
# Slice is created as locked.
my $slice = GeniSlice->Create($slice_certificate,
			      $geniuser, $sa_authority, undef, 1);
if (!defined($slice)) {
    $slice_certificate->Delete();
    fatal("Could not create new slice object for $slice_urn");
}
598
599
# These get quick expirations, unless it is a real user.
if ($slice->SetExpiration(time() + (($localuser ? 16 : 3) * 3600)) != 0) {
600
601
602
603
604
    $slice->Delete();
    fatal("Could not set the slice expiration for $slice_urn");
}
my $slice_uuid = $slice->uuid();

605
#
606
# Generate credentials we need.
607
#
608
my ($slice_credential, $speaksfor_credential) =
609
    APT_Geni::GenCredentials($slice, $geniuser);
610
611
if (! (defined($speaksfor_credential) &&
       defined($slice_credential))) {
612
    $slice->Delete();
613
    fatal("Could not generate credentials");
614
615
}

616
#
617
# Got this far, lets create a quickvm record.
618
#
619
my $quickvm_uuid = (defined($quickuuid) ? $quickuuid : NewUUID());
620
621
622
if (!defined($quickvm_uuid)) {
    fatal("Could not generate a new uuid");
}
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
my $blob = {'uuid'         => $quickvm_uuid,
	    'profile_id'   => $profileid,
	    'profile_version' => $version,
	    'slice_uuid'   => $slice_uuid,
	    'creator'      => $geniuser->uid(),
	    'creator_idx'  => $geniuser->idx(),
	    'creator_uuid' => $geniuser->uuid(),
	    'aggregate_urn'=> $CMURN,
	    'status'       => "created",
	    'servername'   => $SERVER_NAME
};
if (defined($project)) {
    $blob->{"pid"}     = $project->pid();
    $blob->{"pid_idx"} = $project->pid_idx();
}
my $instance = APT_Instance->Create($blob);
Leigh B Stoller's avatar
Leigh B Stoller committed
639
if (!defined($instance)) {
640
    $slice->Delete();
Leigh B Stoller's avatar
Leigh B Stoller committed
641
    fatal("Could not create instance record for $quickvm_uuid");
642
}
643
644
645
646
647
648
649
#
# Create a webtask so that we can store additional information about
# the sliver while we wait. No worries if this fails.
#
$webtask = WebTask->Create($instance->uuid());
$webtask->AutoStore(1)
    if (defined($webtask));
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664

#
# Exit and let caller poll for status.
#
if (!$debug) {
    my $child = fork();
    if ($child) {
	# Parent exits but avoid libaudit email.
	exit(0);
    }
    # Let parent exit;
    sleep(2);
    # All of the logging magic happens in here.
    libaudit::AuditFork();
}
665
666
667
# Bind the process id.
$webtask->SetProcessID($PID)
    if (defined($webtask));
668
669
670
671
672

#
# This creates the sliver and starts it.
#
my $response =
673
    Genixmlrpc::CallMethod($cmurl, undef,
674
675
676
677
678
679
680
681
682
			   "CreateSliver",
			   { "slice_urn"   => $slice_urn,
			     "rspec"       => $rspecstr,
			     "keys"        =>
				 [{'urn'   => $user_urn,
				   'login' => $user_uid,
				   'keys'  => \@sshkeys }],
			     "credentials" =>
				 [$slice_credential->asString(),
683
684
685
				  $speaksfor_credential->asString(),
				  @dataset_credentials
				 ]});
686
687
688

if (!defined($response) || $response->code() != GENIRESPONSE_SUCCESS) {
    $slice->Delete();
Leigh B Stoller's avatar
Leigh B Stoller committed
689
    $instance->SetStatus("failed");
690
691
692
693
694
695
696
697
698
    if (defined($webtask)) {
	if (defined($response)) {
	    $webtask->output($response->output());
	    $webtask->Exited($response->code());
	}
	else {
	    $webtask->Exited(1);
	}
    }
699
700
701
702
703
704
705
706
707
708
    fatal("CreateSliver failed: ".
	  (defined($response) ? $response->output() : "") . "\n");
}

#
# We are going to use the manifests table.
#
my $manifest = $response->value()->[1];
if (!defined($manifest)) {
    $slice->UnLock();
709
    $webtask->Exited(1) if (defined($webtask));
Leigh B Stoller's avatar
Leigh B Stoller committed
710
    $instance->SetStatus("failed");
711
712
    fatal("Could not find the manifest in the response!");
}
Leigh B Stoller's avatar
Leigh B Stoller committed
713
714
$instance->SetStatus("provisioned");
$instance->SetManifest($manifest);
715
716
717
718

#
# but have to wait for the sliver to be ready, which means polling.
#
Leigh B Stoller's avatar
Leigh B Stoller committed
719
my $seconds  = 1500;
720
721
722
my $interval = 15;
my $ready    = 0;
my $failed   = 0;
723
my $public_url;
724
725
726
727
728
729

while ($seconds > 0) {
    sleep($interval);
    $seconds -= $interval;
    
    my $response =
730
	Genixmlrpc::CallMethod($cmurl, undef,
731
732
733
734
735
736
737
738
739
			       "SliverStatus",
			       { "slice_urn"   => $slice_urn,
				 "credentials" =>
				     [$slice_credential->asString(),
				      $speaksfor_credential->asString()]});

    if (!defined($response) || !defined($response->value()) ||
	($response->code() != GENIRESPONSE_SUCCESS &&
	 $response->code() != GENIRESPONSE_BUSY)) {
740
741
742
	print STDERR "SliverStatus failed";
	if (defined($response)) {
	    print STDERR ": " . $response->output();
743
744
745
	    if (defined($webtask)) {
		$webtask->output($response->output());
	    }
746
747
748
749
	}
	print STDERR "\n";
	$failed = 1;
	last;
750
751
752
753
754
    }
    next
	if ($response->code() == GENIRESPONSE_BUSY);

    my $blob = $response->value();
755
756
757
    if (exists($blob->{'public_url'})) {
	$public_url = $blob->{'public_url'};
    }
758
759
760
761
762
763
    if ($blob->{'status'} eq "ready") {
	$ready = 1;
	last;
    }
    elsif ($blob->{'status'} eq "failed") {
	$failed = 1;
764
765
	$webtask->output("Experiment setup on $aggregate failed")
	    if (defined($webtask));
766
767
768
	last;
    }
}
769

770
# Print this message first so its obvious.
771
if ($failed || !$ready) {
Leigh B Stoller's avatar
Leigh B Stoller committed
772
    $instance->SetStatus("failed");
773
    if (!$ready) {
774
	print STDERR "*** $slice_urn timed out.\n\n";
775
776
	$webtask->output("Experiment setup on $aggregate timed out")
	    if (defined($webtask));
777
778
    }
    else {
779
	print STDERR "*** $slice_urn failed.\n\n"; 
780
    }
781
    $webtask->Exited(1) if (defined($webtask));
782
783
784
}
else {
    $instance->SetStatus("ready");
785
    $webtask->Exited(0) if (defined($webtask));
786
}
787
788
789
790
791
792
793
794
print STDERR "$slice_urn\n";
if (defined($public_url)) {
    print STDERR "$public_url\n";
    $instance->SetPublicURL($public_url);
}
print STDERR "\n";
print STDERR "$manifest\n\n";

795
796
797
$slice->UnLock();
exit(0);

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
#
# Create credentials to access datasets.
#
sub CreateDatasetCreds($$$$$)
{
    my ($xml, $pid, $user, $pmsg, $pref) = @_;
    my @credentials = ();
    
    my $rspec = GeniXML::Parse($xml);
    if (! defined($rspec)) {
	print STDERR "CreateDatasetCreds: Could not parse rspec\n";
	return -1;
    }
    foreach my $ref (GeniXML::FindNodes("n:node", $rspec)->get_nodelist()) {
	foreach my $blockref (GeniXML::FindNodesNS("n:blockstore",
						   $ref,
				   $GeniXML::EMULAB_NS)->get_nodelist()) {
	    my $leaseurn = GeniXML::GetText("persistent", $blockref);

	    #
	    # We only care about datasets here, we let the backend
	    # do the error checking on ephemeral blockstores.
	    #
	    next
		if (!defined($leaseurn));
	    
	    my ($authority, $type, $id) = GeniHRN::Parse($leaseurn);
	    #
	    # Separate project from name; this is how the rspec specifies
	    # the dataset they want, since it might be in another project
	    #
	    if ($id =~ /^([-\w]+)\/\/(.+)$/) {
		$pid = $1;
		$id  = $2;
	    }
	    my $dataset = APT_Dataset->Lookup("$pid/$id");
	    if (!defined($dataset)) {
835
836
837
838
839
		$dataset = APT_Dataset->LookupByRemoteURN($leaseurn);
		if (!defined($dataset)) {
		    $$pmsg = "Persistent dataset '$pid/$id' does not exist";
		    return 1;
		}
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
	    }
	    my $certificate = $dataset->GetCertificate();
	    if (!defined($certificate)) {
		$$pmsg = "No certificate for dataset '$pid/$id'";
		return -1;
	    }
	    my $credential =
		APT_Geni::GenCredentials($certificate, $geniuser,
					 ["blockstores"]);
	    if (!defined($credential)) {
		$$pmsg = "Could not create credential for dataset '$pid/$id'";
		return -1;
	    }
	    push(@credentials, $credential->asString());
	}
    }
    @$pref = @credentials;
    return 0;
}

860
861
862
sub fatal($) {
    my ($mesg) = $_[0];

863
864
865
    print STDERR Dumper($xmlparse)
	if (defined($xmlparse));

866
867
868
869
870
871
872
873
874
875
876
877
878
    print STDERR "*** $0:\n".
	         "    $mesg\n";
    exit(-1);
}
sub UserError($) {
    my($mesg) = $_[0];

    AuditAbort()
	if (!$debug);
    print $mesg;
    exit(1);
}

879