create_instance.in 44 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
# 
# {{{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;
32
use Getopt::Long;
33
use XML::Simple;
34
use File::Temp qw(tempfile :mktemp tmpnam :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] [--site site:1=aggregate ...] <xmlfile>\n";
44 45
    exit(1);
}
46
my @optlist = ('d', 'v', 'u=s', 'a=s', 'S');
47 48
my $debug   = 0;
my $verbose = 1;
49
my $DEFAULT_URN  = "urn:publicid:IDN+apt.emulab.net+authority+cm";
50
my $xmlfile;
51
my $webtask;
52
my $localuser  = 0;
53
my $usestitcher= 0;
54
my $quickuuid;
55
my $default_aggregate_urn = $DEFAULT_URN;
56
my $this_user;
57
my $xmlparse;
58 59 60
my $instance;
my $slice;
my $sitemap;
61
my $usetracker = 0;
62 63 64
my @aggregate_urns = ();

# Debugging
Leigh B Stoller's avatar
Leigh B Stoller committed
65
my $usemydevtree  = 0;
66 67 68 69

# Protos
sub fatal($);
sub UserError($);
70
sub SnapShot($$$);
71
sub CreateDatasetCreds($$$$$);
72 73
sub CreateSlivers();
sub RunStitcher();
74
sub GetSSHKeys($$$);
75 76 77 78 79 80 81 82

#
# Configure variables
#
my $TB		  = "@prefix@";
my $TBOPS         = "@TBOPSEMAIL@";
my $TBLOGS        = "@TBLOGSEMAIL@";
my $OURDOMAIN     = "@OURDOMAIN@";
83
my $MAINSITE      = @TBMAINSITE@;
84
my $PGENIDOMAIN   = "@PROTOGENI_DOMAIN@";
85
my $PROTOGENI_URL = "@PROTOGENI_URL@";
86 87 88
my $SACERT	  = "$TB/etc/genisa.pem";
my $CMCERT	  = "$TB/etc/genicm.pem";
my $SSHKEYGEN     = "/usr/bin/ssh-keygen";
89
my $SSHSETUP      = "$TB/sbin/aptssh-setup";
90
my $ADDPUBKEY     = "$TB/sbin/addpubkey";
91
my $UPDATEGENIUSER= "$TB/sbin/protogeni/updategeniuser";
92
my $STITCHER      = "$TB/gcf/src/stitcher.py";
93
my $OPENSSL       = "/usr/bin/openssl";
94 95 96 97 98 99 100 101 102 103 104 105

# 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";
106
use EmulabConstants;
107 108
use libtestbed;
use libaudit;
Leigh B Stoller's avatar
Leigh B Stoller committed
109
use APT_Profile;
Leigh B Stoller's avatar
Leigh B Stoller committed
110
use APT_Instance;
111
use APT_Geni;
112
use APT_Dataset;
113
use User;
114
use Project;
115
use Group;
116 117
use OSinfo;
use emutil;
118
use libEmulab;
119 120 121 122 123 124 125 126 127
use GeniDB;
use GeniUser;
use GeniCertificate;
use GeniCredential;
use GeniSlice;
use GeniAuthority;
use GeniHRN;
use Genixmlrpc;
use GeniResponse;
128
use GeniXML;
129
use WebTask;
130
use Logfile;
131
use EmulabFeatures;
132 133 134 135 136

#
# Parse command arguments. Once we return from getopts, all that should be
# left are the required arguments.
#
137
Getopt::Long::Configure("no_ignore_case");
138
my %options = ();
139
if (! GetOptions(\%options, @optlist, "site=s%" => \$sitemap)) {
140 141
    usage();
}
142
if (defined($options{"a"})) {
143
    $default_aggregate_urn = $options{"a"};
144
}
145 146 147 148 149 150
if (defined($options{"d"})) {
    $debug = 1;
}
if (defined($options{"v"})) {
    $verbose = 1;
}
151 152
if (defined($options{"S"})) {
    $usestitcher = 1;
153
}
154 155 156
if (defined($options{"u"})) {
    $quickuuid = $options{"u"};
}
157
if (@ARGV < 1) {
158 159
    usage();
}
160
$xmlfile = shift(@ARGV);
161

162 163 164 165 166 167
#
# Check the filename when invoked from the web interface; must be a
# file in /tmp.
#
if (getpwuid($UID) ne "nobody") {
    $this_user = User->ThisUser();
168

169 170 171 172 173 174 175 176 177 178 179
    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");
180 181
    }

182 183 184 185 186 187 188
    # Use realpath to resolve any symlinks.
    my $translated = realpath($xmlfile);
    if ($translated =~ /^(\/tmp\/[-\w\.\/]+)$/) {
	$xmlfile = $1;
    }
    else {
	fatal("Bad data in translated pathname: $xmlfile");
189 190 191
    }
}

192 193
# Email record.
if (! $debug) {
Leigh B Stoller's avatar
Leigh B Stoller committed
194 195
    my $opts = LIBAUDIT_LOGTBLOGS()|LIBAUDIT_LOGONLY();
    AuditStart(0, undef, $opts);
196 197 198
    #
    # Once we determine the project, we can add the appropriate log CC
    #
199
}
200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216

# 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");
}

#
217
# We use the normal XMLRPC route, so need a context.
218 219 220 221 222 223 224 225 226 227
#
my $context = Genixmlrpc->Context($sa_certificate);
if (!defined($context)) {
    fatal("Could not create context to talk to CM");
}
Genixmlrpc->SetContext($context);

#
# Must wrap the parser in eval since it exits on error.
#
228 229 230 231
$xmlparse = eval { XMLin($xmlfile,
			 VarAttr => 'name',
			 ContentKey => '-content',
			 SuppressEmpty => undef); };
232 233 234 235 236 237
fatal($@)
    if ($@);

#
# Make sure all the required arguments were provided.
#
238
foreach my $key ("username", "email", "profile") {
239 240 241 242 243 244 245 246 247
    fatal("Missing required attribute '$key'")
	if (! (exists($xmlparse->{'attribute'}->{"$key"}) &&
	       defined($xmlparse->{'attribute'}->{"$key"}) &&
	       $xmlparse->{'attribute'}->{"$key"} ne ""));
}

#
# Gather up args and sanity check.
#
248
my ($value, $user_urn, $user_uid, $user_hrn, $user_email, $project, $pid,
249
    $sshkey, $profile, $profileid, $version, $rspecstr, $errmsg, $userslice_id);
250 251 252 253 254

#
# Username and email has to be acceptable to Emulab user system.
#
$value = $xmlparse->{'attribute'}->{"username"}->{'value'};
Leigh B Stoller's avatar
Leigh B Stoller committed
255
if (! TBcheck_dbslot($value, "users", "uid",
256
		     TBDB_CHECKDBSLOT_WARN|TBDB_CHECKDBSLOT_ERROR)) {
Leigh B Stoller's avatar
Leigh B Stoller committed
257
    fatal("Illegal username: $value - " . TBFieldErrorString());
258 259 260 261 262 263 264 265 266 267 268 269
}
$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;

270 271 272 273 274 275 276 277 278 279
#
# The instance name is optional, we will make one up if not supplied.
#
if (exists($xmlparse->{'attribute'}->{"instance_name"}) &&
    $xmlparse->{'attribute'}->{"instance_name"}->{'value'} ne "") {
    $value = $xmlparse->{'attribute'}->{"instance_name"}->{'value'};
    if (! TBcheck_dbslot($value, "experiments", "eid",
			 TBDB_CHECKDBSLOT_WARN|TBDB_CHECKDBSLOT_ERROR)) {
	fatal("Illegal instance name: $value");
    }
280
    $userslice_id = $value;
281 282
}

283
#
284
# Profile.
285
#
286
# This is a safe lookup.
287 288 289
$value = $xmlparse->{'attribute'}->{"profile"}->{'value'};
$profile = APT_Profile->Lookup($value);
if (!defined($profile)) {
Leigh B Stoller's avatar
Leigh B Stoller committed
290
    fatal("No such profile: $value");
291
}
292 293
$profileid = $profile->profileid();
$version   = $profile->version();
294

295
#
296
# Optional rspec, as for a Parameterized Profile.
297
#
298 299
if (exists($xmlparse->{'attribute'}->{"rspec"})) {
    $rspecstr  = $xmlparse->{'attribute'}->{"rspec"}->{'value'};
300
}
301 302
else {
    $rspecstr  = $profile->CheckFirewall(!$localuser);
303 304
}

305 306 307 308 309 310
#
# Update rspec with site aggregate urns.
#
# SetSites will tell us if we must use stitcher.
#
my $needstitcher = 0;
311 312 313 314
my $tmp = APT_Profile::SetSites(\$rspecstr, $sitemap, $default_aggregate_urn,
				\@aggregate_urns, \$needstitcher, \$errmsg);
if ($tmp) {
    ($tmp < 0 ? fatal($errmsg) : UserError($errmsg));
315
}
316 317
# but do not override command line force.
$usestitcher = 1 if ($needstitcher);
318

319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340
#
# 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 ($profile->CheckNodeConstraints($default_aggregate_urn, \$errmsg)) {
    UserError($errmsg);
}

341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361
#
# 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");
	}
	$sshkey = <KEYGEN>;
	if (!close(KEYGEN)) {
	    UserError("Could not parse ssh key!");
	}
    }
362 363
    close($fh);
    unlink($keyfile);
364
}
365 366
chomp($sshkey)
    if (defined($sshkey));
367 368 369 370 371 372

#
# 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).
#
373 374 375 376 377 378 379
# 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) {
380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399
    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);
    }
400 401 402 403
}
else {
    $geniuser = GeniUser->Lookup($user_urn);

404 405 406
    #
    # In Utah, check for alternate SA
    #
407
    if (!defined($geniuser) && $MAINSITE) {
408 409
	$user_urn = GeniHRN::Generate("aptlab.net", "user", $user_uid);
	$user_hrn = "aptlab.${user_uid}";
410
	$geniuser = GeniUser->Lookup($user_urn, 0);
411 412
    }
}
413
if (!defined($geniuser)) {
414 415 416
    if ($localuser) {
	fatal("Could not lookup local user $user_urn");
    }
417
    
418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434
    #
    # 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");
    }
435 436 437 438 439 440 441 442
    my $blob = {"urn"      => $user_urn,
		"hrn"      => $user_hrn,
		"email"    => $user_email,
		"showuuid" => 1};
    if ($MAINSITE) {
	$blob->{'useaptca'} = 1;
    }
    my $certificate = GeniCertificate->Create($blob);
443 444 445 446 447 448 449 450 451 452
    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
453
    # Setup browser ssh.
454
    #
455 456 457
    system("$SSHSETUP " . $geniuser->uuid());
    fatal("Could not create ssh key pair")
	if ($?);
458 459 460 461
}
my $user_uuid = $geniuser->uuid();
# So we know this user has dome something lately.
$geniuser->BumpActivity();
462

463 464 465
if ($localuser) {
    my $emulab_user = $geniuser->emulab_user();
    if ($emulab_user->IsNonLocal()) {
466 467
	#
	# A user created from a Geni certificate via geni-login. We
468 469
	# asked for the current ssh keys from the MA when they logged
	# in, but we ask again to make sure have the latest keys.
470
	#
471
	system("$UPDATEGENIUSER -s " . $emulab_user->uid());
472
	if (0) {
473 474
	    fatal("Could not update ssh keys for nonlocal user");
	}
475 476 477 478 479 480
	#
	# Check project membership, must be a member of at least one
	# valid project at the GPO portal.
	#
	system("$UPDATEGENIUSER -p " . $emulab_user->uid());
	if ($?) {
481 482 483
	    UserError("Could not get your project membership from your ".
		      "member authority. It is probably offline, please try ".
		      "again later.");
484 485
	}
	
486
	# Nonlocal users get the holding project.
487
	$pid = $CLOUD_HOLDINGPROJECT;
488
    }
489
    elsif (defined($sshkey) && !$emulab_user->LookupSSHKey($sshkey)) {
490 491 492 493 494 495
	#
	# 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.
	#
	
496
	#
497 498 499 500
	# 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
501 502 503 504 505
	# 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.
506
	#
507 508 509
	my ($fh, $keyfile) = tempfile(UNLINK => 0);
	print $fh $sshkey;

510
	if (system("$ADDPUBKEY -a -u $user_uid -f $keyfile")) {
511 512 513 514 515
	    fatal("Could not add new ssh pubkey");
	}
	close($fh);
	unlink($keyfile);
    }
516 517 518 519 520 521 522 523 524 525 526 527 528 529
    #
    # Hmm, users with real accounts who never used Geni, but now want
    # to use APT/Cloud, have no encrypted SSL certificate. Rather then
    # force them through the web ui (and have to explain it), create one
    # for them using a random passphrase. The user will not know the
    # passphrase, but for most users it will not matter.
    #
    # This is also going to catch expired certificates, we will regenerate
    # them using the existing passphrase.
    #
    if ($emulab_user->HasValidEncryptedCert() == 0 &&
	$emulab_user->GenEncryptedCert()) {
	fatal("Could not (re)generate encrypted certificate");
    }
530 531 532 533 534 535 536 537 538 539

    # 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)) {
Mike Hibler's avatar
Mike Hibler committed
540 541
	fatal("No permission to create experiments in project ".
	      $project->pid());
542 543
    }
    $pid = $project->pid();
544 545 546 547 548 549

    # Use of the Image Tracker is a Portal directive at the moment.
    $usetracker = 1
	if (GetSiteVar("protogeni/use_imagetracker") &&	
	    EmulabFeatures->FeatureEnabled("APT_UseImageTracker",
					   $emulab_user, $project));
550 551 552 553 554
}
elsif (!$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
555
	# interface. We allow key reuse for existing users, see above.
556 557 558 559 560
	#
	$geniuser->DeleteKeys();
	$geniuser->AddKey($sshkey);
    }
    # Guest users get a holding project.
561
    $pid = $APT_HOLDINGPROJECT;
562 563 564 565
    $project = Project->Lookup($pid);
    if (!defined($project)) {
	fatal("Project $pid does not exist");
    }
566
}
567 568 569
#
# Now we know where to send to logs.
#
570 571
if (!$debug) {
    AddAuditInfo("cc", $project->LogsEmailAddress());
Leigh B Stoller's avatar
Leigh B Stoller committed
572 573 574 575
    if ($MAINSITE && $project->isEmulab()) {
	# Mostly people use the Cloudlab UI.
	AddAuditInfo("cc", "cloudlab-logs\@cloudlab.us");
    }
576
}
577

578 579 580
# Generate the extra credentials that tells the backend this experiment
# can access the datasets.
my @dataset_credentials = ();
581 582 583 584 585 586 587
if (defined($profile)) {
    my $retval = CreateDatasetCreds($rspecstr,
				    $profile->pid(), $geniuser, 
				    \$errmsg, \@dataset_credentials);
    if ($retval) {
	($retval < 0 ? fatal($errmsg) : UserError($errmsg));
    }
588 589
}

590
#
591 592 593
#
# Now generate a slice registration and credential
#
594
my $safe_uid    = $user_uid; $safe_uid =~ s/_/-/;
595 596
my $slice_id    = (defined($userslice_id) ? $userslice_id :
		   $safe_uid . "-QV" . TBGetUniqueIndex('next_quickvm', 1));
597
my $slice_urn   = GeniHRN::Generate("${OURDOMAIN}:${pid}", "slice", $slice_id);
598
my $slice_hrn   = "${PGENIDOMAIN}.${pid}.${slice_id}";
599
my $SERVER_NAME = (exists($ENV{"SERVER_NAME"}) ? $ENV{"SERVER_NAME"} : "");
600 601 602 603 604

#
# Make sure slice is unique. Probably retry here at some point. 
#
if (GeniSlice->Lookup($slice_hrn) || GeniSlice->Lookup($slice_urn)) {
605 606 607 608 609 610 611 612
    if (defined($userslice_id)) {
	UserError("Slice name already in use, please use another. If you ".
		  "just terminated an experiment with this name, it takes a ".
		  "minute or two for the name to become available again.");
    }
    else {
	fatal("Could not form a unique slice name");
    }
613 614 615 616 617 618 619 620 621 622 623 624 625 626 627
}
	    
#
# 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.
628 629
$slice = GeniSlice->Create($slice_certificate,
			   $geniuser, $sa_authority, undef, 1);
630 631 632 633
if (!defined($slice)) {
    $slice_certificate->Delete();
    fatal("Could not create new slice object for $slice_urn");
}
634 635
# These get quick expirations, unless it is a real user.
if ($slice->SetExpiration(time() + (($localuser ? 16 : 3) * 3600)) != 0) {
636 637 638 639
    fatal("Could not set the slice expiration for $slice_urn");
}
my $slice_uuid = $slice->uuid();

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
#
# Generate a new ssl key/cert to be used to derive an ssh key pair
# or whatever else is needed. This is sent along as an option when the
# sliver is created (or provisioned, when stitching).
#
# This is going to be a real geni certificate, albeit a slice
# certificate in the alternate CA domain, that can be used at the
# "portal" XMLRPC interface. The key is unencrypted and put on the
# nodes, hence the alternate CA, and the XMLRPC server will not allow
# this certificate to do anything, except at the portal RPC server.
#
my $alt_urn = GeniHRN::Generate("aptlab.net:${pid}", "slice", $slice_id);
my $alt_hrn = "aptlab.${pid}.${slice_id}";
my $alt_url = "$PROTOGENI_URL/portal";

my $altblob = {"urn"      => $alt_urn,
	       "hrn"      => $alt_hrn,
	       "url"      => $alt_url,
	       "uuid"     => $slice_uuid,
	       "email"    => $user_email,
	       "nostore"  => 1,
	       "useaptca" => 1,
	       "showuuid" => 1};
my $alt_certificate = GeniCertificate->Create($altblob);
fatal("Could not create alt certificate")
    if (!defined($alt_certificate));

667
#
668
# Generate credentials we need.
669
#
670
my ($slice_credential, $speaksfor_credential) =
671
    APT_Geni::GenCredentials($slice, $geniuser);
672 673 674
if (! (defined($speaksfor_credential) &&
       defined($slice_credential))) {
    fatal("Could not generate credentials");
675 676
}

677
#
678
# Got this far, lets create a quickvm record.
679
#
680
my $quickvm_uuid = (defined($quickuuid) ? $quickuuid : NewUUID());
681 682 683
if (!defined($quickvm_uuid)) {
    fatal("Could not generate a new uuid");
}
684
my $blob = {'uuid'         => $quickvm_uuid,
685
	    'name'         => $slice_id,
686 687 688 689 690 691 692
	    'profile_id'   => $profileid,
	    'profile_version' => $version,
	    'slice_uuid'   => $slice_uuid,
	    'creator'      => $geniuser->uid(),
	    'creator_idx'  => $geniuser->idx(),
	    'creator_uuid' => $geniuser->uuid(),
	    'status'       => "created",
693 694
	    'servername'   => $SERVER_NAME,
	    'rspec'        => $rspecstr,
695
	    'cert'         => $alt_certificate->cert(),
696
	    'privkey'      => $alt_certificate->PrivKeyDelimited(),
697 698 699 700 701
};
if (defined($project)) {
    $blob->{"pid"}     = $project->pid();
    $blob->{"pid_idx"} = $project->pid_idx();
}
702
$errmsg = undef;
703
$instance = APT_Instance->Create($blob, \$errmsg);
Leigh B Stoller's avatar
Leigh B Stoller committed
704
if (!defined($instance)) {
705 706
    fatal(defined($errmsg) ? $errmsg :
	  "Could not create instance record for $quickvm_uuid");
707
}
708 709 710 711 712 713 714 715
# To keep stuff happy until multisite support finished.
if (keys(%{$sitemap})) {
    my ($temp_aggregate_urn) = values(%{$sitemap});
    $instance->Update({'aggregate_urn' => $temp_aggregate_urn});
}
else {
    $instance->Update({'aggregate_urn' => $default_aggregate_urn});
}
716

717 718 719 720 721 722 723 724 725 726 727
#
# Get the set of keys (accounts) that need to be sent along. We build
# them in CM format, but convert to AM format later if needed.
#
my $sshkeys;
if ($instance->GetSSHKeys(\$sshkeys) < 0 || !@{$sshkeys}) {
    $slice->Delete();
    $instance->Delete();
    fatal("Error constructing ssh key list");
}

728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745
# We use this list of references for ParRun below.
my @aggregate_list = ();
foreach my $aggregate_urn (@aggregate_urns) {
    my $authority = GeniAuthority->Lookup($aggregate_urn);
    if (!defined($authority)) {
	$authority = GeniAuthority->CreateFromRegistry("cm", $aggregate_urn);
	if (!defined($authority)) {    
	    fatal("Could not load CM authority object for $aggregate_urn");
	}
    }
    my $aggobj = $instance->AddAggregate($aggregate_urn);
    if (!defined($aggobj)) {
	fatal("Could not create aggregate object for $aggregate_urn");
    }
    $aggobj->_authority($authority);
    push(@aggregate_list, $aggobj);
}

746 747
#
# Create a webtask so that we can store additional information about
748
# the sliver while we wait.
749 750
#
$webtask = WebTask->Create($instance->uuid());
751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767
if (!defined($webtask)) {
    fatal("Could not create a webtask!");
}
$webtask->AutoStore(1);

print STDERR "\n";
print STDERR "User:    $user_urn\n";
print STDERR "Email:   $user_email" . (!$localuser ? " (guest)" : "") . "\n";
if (defined($profile)) {
    print STDERR "Profile: " . $profile->name() . ":${version}\n";
}
print STDERR "Slice:   $slice_urn\n";
print STDERR "Server:  $SERVER_NAME\n";
print STDERR "Cluster: ";
print STDERR join(",", map($_->aggregate_urn(), @aggregate_list))  . "\n";
print STDERR "\n";
print STDERR "$rspecstr\n";
768 769 770 771 772

#
# Exit and let caller poll for status.
#
if (!$debug) {
773
    libaudit::AuditPrefork();
774 775 776 777 778 779 780 781
    my $child = fork();
    if ($child) {
	# Parent exits but avoid libaudit email.
	exit(0);
    }
    # All of the logging magic happens in here.
    libaudit::AuditFork();
}
782
# Bind the process id.
783 784
$webtask->SetProcessID($PID);

785 786 787
if ($usestitcher) {
    my $rval = RunStitcher();
    if ($rval) {
788 789 790
	$slice->UnLock();
	$instance->SetStatus("failed");
	$webtask->Exited(1);
791
	exit($rval);
792
    }
793
}
794 795
else {
    my $rval = CreateSlivers();
796
    #
797
    # We do not want email for most mapping errors, so look at the
798 799 800 801
    # return code to see if we want to kill the log (user will see the
    # error in the web ui). 
    #
    if ($rval) {
802 803
	if ($rval == GENIRESPONSE_BADARGS ||
	    $rval == GENIRESPONSE_INSUFFICIENT_NODES ||
804 805 806
	    $rval == GENIRESPONSE_INSUFFICIENT_MEMORY ||
	    $rval == GENIRESPONSE_INSUFFICIENT_BANDWIDTH ||
	    $rval == GENIRESPONSE_NO_MAPPING) {
807 808 809 810 811 812
	    AuditAbort()
		if (!$debug);
	}
	$webtask->Exited($rval);
	exit($rval);
    }
813
}
Leigh B Stoller's avatar
Leigh B Stoller committed
814
$instance->SetStatus("provisioned");
815
$instance->ComputeNodeCounts();
816 817

#
818 819 820
# Now wait for the sliver to be ready, which means polling.
#
# Shorten default timeout.
821
#
822
Genixmlrpc->SetTimeout(60);
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
sub WaitForSliver($)
{
    my ($ref) = @_;
    my $aggobj = $ref;
    $aggobj->Refresh();
    my $webtask   = $aggobj->webtask();
    my $authority = $aggobj->_authority();
    my $cmurl     = $authority->url();
    my $urn       = $authority->urn();
    $webtask->Refresh();

    # Debugging
    $cmurl =~ s/protogeni/protogeni\/stoller/ if ($usemydevtree);

    my $seconds  = 1500;
    my $interval = 15;
    my $ready    = 0;
    my $failed   = 0;
    my $public_url;
    my $repblob;

    while ($seconds > 0) {
	sleep($interval);
	$seconds -= $interval;
848
    
849
	my $response = $aggobj->SliceStatus();
850 851 852 853 854 855 856
	if (!defined($response) || !defined($response->value()) ||
	    ($response->code() != GENIRESPONSE_SUCCESS &&
	     $response->code() != GENIRESPONSE_SERVER_UNAVAILABLE &&
	     $response->code() != GENIRESPONSE_BUSY)) {
	    print STDERR "SliverStatus failed";
	    if (defined($response)) {
		print STDERR ": " . $response->output();
857 858 859 860 861 862 863 864
		if ($response->output() =~ /read timeout/) {
		    $webtask->output("Lost contact with the aggregate. " .
				     "Possibly a network failure, ".
				     "please try again later.");
		}
		else {
		    $webtask->output($response->output());
		}
865
	    }
866 867 868
	    print STDERR "\n";
	    $failed = 1;
	    last;
869
	}
870 871 872
	next
	    if ($response->code() == GENIRESPONSE_BUSY ||
		$response->code() == GENIRESPONSE_SERVER_UNAVAILABLE);
873

874 875 876 877 878 879
	$repblob = $response->value();
	#
	# Convert to something smaller, with info the web interface
	# cares about. We get this on each loop, update so the web
	# interface can show changes.
	#
880
	my $statusblob = {};
881 882
	foreach my $urn (keys(%{$repblob->{'details'}})) {
	    my $details = $repblob->{'details'}->{$urn};
883 884 885
	    my $node_id = $details->{'client_id'};
	    $statusblob->{$node_id} = $details;
	}
886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901
	$webtask->sliverstatus($statusblob);

	if (exists($repblob->{'public_url'})) {
	    $public_url = $repblob->{'public_url'};
	    $aggobj->SetPublicURL($public_url);
	}
	if ($repblob->{'status'} eq "ready") {
	    $ready = 1;
	    last;
	}
	elsif ($repblob->{'status'} eq "failed") {
	    $failed = 1;
	    print STDERR "*** $urn failed\n";
	    $webtask->output("Experiment setup on $urn failed");
	    last;
	}
902
    }
903 904 905 906 907 908
    if ($failed || !$ready) {
	$aggobj->SetStatus("failed");
	if (!$ready) {
	    # XXX Need better handling for timeout.
	    print STDERR "*** $urn timed out.\n";
	    $webtask->output("Experiment setup on $urn timed out");
909
	    $webtask->Exited(GENIRESPONSE_TIMEDOUT);
910
	}
911 912 913 914
	else {
	    $webtask->Exited(1);
	}
	return $webtask->exitcode();
915
    }
916 917 918 919 920 921 922 923
    $aggobj->SetStatus("ready");
    $webtask->Exited(0);
    return 0;
}

#
# Okay, fire off the waits for each aggregate
#
924
my @return_codes = ();
925 926 927 928 929 930 931
if (ParRun({"maxwaittime" => 99999, "maxchildren" => scalar(@aggregate_list)},
	    \@return_codes, \&WaitForSliver, @aggregate_list)) {
    #
    # The parent caught a signal. Leave things intact so that we can
    # kill things cleanly later.
    #
    $slice->UnLock();
932 933
    print STDERR "Internal error in WaitForSlivers\n";
    $webtask->output("Internal error in WaitForSlivers");
934 935 936 937
    $instance->SetStatus("failed");
    $webtask->Exited(1);
    exit(-1);
}
938
print "$slice_urn\n";
939 940 941 942 943 944 945 946 947 948

#
# Check the exit codes; any failure is a total failure (for now).
#
my $failed = 0;
foreach my $aggobj (@aggregate_list) {
    my $code = shift(@return_codes);

    # Updated in a forked child, must refresh. 
    $aggobj->Refresh();
949 950 951 952 953 954
    print $aggobj->aggregate_urn() . "\n";
    if ($code) {
	$failed++;
	print "WaitforSliver Failure!\n";
	if (defined($aggobj->webtask()->output())) {
	    $webtask->output($aggobj->webtask()->output());
955
	    $webtask->Exited($aggobj->webtask()->exitcode());
956
	    print $aggobj->webtask()->output() . "\n";
957
	    
958 959 960 961
	}
	else {
	    $webtask->output("WaitforSliver Failure at " .
			     $aggobj->aggregate_urn());
962
	    $webtask->Exited(1);
963 964
	}
    }
965 966
    if (defined($aggobj->public_url())) {
	print $aggobj->public_url() . "\n";
967
    }
968 969
    print "\n" . $aggobj->manifest() . "\n\n";
    print "------------------------------------------------------------\n\n";
970
}
971
$slice->UnLock();
972

973
if ($failed) {
Leigh B Stoller's avatar
Leigh B Stoller committed
974
    $instance->SetStatus("failed");
975
    # Webtask exit status set above.
976 977 978
}
else {
    $instance->SetStatus("ready");
979
    $webtask->Exited(0);
980
}
981 982
exit(0);

983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999
#
# 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()) {
1000 1001
	    my $dataset_id = GeniXML::GetText("persistent", $blockref);
	    if (!defined($dataset_id)) {
1002
		# persistent is deprecated.
1003
		$dataset_id = GeniXML::GetText("dataset", $blockref);
1004
	    }
1005 1006 1007 1008 1009 1010

	    #
	    # We only care about datasets here, we let the backend
	    # do the error checking on ephemeral blockstores.
	    #
	    next
1011 1012 1013 1014 1015 1016 1017 1018 1019 1020
		if (!defined($dataset_id));

	    my $class = GeniXML::GetText("class", $blockref);
	    if (!defined($class)) {
		$class = "remote";
	    }
	    # Image backed. No checking since the image has to be global
	    # anyway. Needs more thought. 
	    next
		if ($class eq "local");
1021
	    
1022
	    my ($authority, $type, $id) = GeniHRN::Parse($dataset_id);
1023 1024 1025 1026 1027 1028 1029 1030 1031 1032
	    #
	    # 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)) {
1033
		$dataset = APT_Dataset->LookupByRemoteURN($dataset_id);
1034 1035 1036 1037
		if (!defined($dataset)) {
		    $$pmsg = "Persistent dataset '$pid/$id' does not exist";
		    return 1;
		}
1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057
	    }
	    my $certificate = $dataset->GetCertificate();
	    if (!defined($certificate)) {
		$$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;
}

1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089
#
# Create a sliver at a single aggregate. This is called from parrun
# so it needs to return success or failure, we lookup the results
# in the DB.
#
sub CreateSliver($)
{
    my ($ref) = @_;
    my $aggobj = $ref;
    $aggobj->Refresh();
    my $webtask   = $aggobj->webtask();
    my $authority = $aggobj->_authority();
    my $cmurl     = $authority->url();
    my $urn       = $authority->urn();
    $webtask->Refresh();

    # Debugging
    $cmurl =~ s/protogeni/protogeni\/stoller/ if ($usemydevtree);

    #
    # This creates the sliver and starts it. We have to watch for the
    # server being too busy.
    #
    my $tries = 15;
    my $response;

    while (1) {
	$response =
	    Genixmlrpc::CallMethod($cmurl, undef,
				   "CreateSliver",
				   { "slice_urn"   => $slice_urn,
				     "rspec"       => $rspecstr,
1090
				     "keys"        => $sshkeys,
1091
				     "credentials" =>
1092 1093 1094
					 [$slice_credential->asString(),
					  $speaksfor_credential->asString(),
					  @dataset_credentials
1095
					 ],
1096
				     "certificate" => $alt_certificate->cert(),
1097 1098
				     "key"         =>
				        $alt_certificate->PrivKeyDelimited(),
1099
				     "usetracker"  => $usetracker,
1100
				   });
1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116

	if (!defined($response) || $response->code() != GENIRESPONSE_SUCCESS) {
	    if (defined($response) &&
		$response->code() == GENIRESPONSE_SERVER_UNAVAILABLE &&
		$tries >= 0) {
		print STDERR "Server for $urn reports too busy, ".
		    "waiting a while ...\n";
		sleep(int(rand(20)) + 10);
		$tries--;
		next;
	    }
	    if (defined($response)) {
		$webtask->output($response->output());
		$webtask->Exited($response->code());
	    }
	    else {
1117
		$webtask->Exited(-1);
1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135
	    }
	    $aggobj->SetStatus("failed");
	    
	    if (defined($response) && defined($response->logurl())) {
		$aggobj->SetPublicURL($response->logurl());
	    }
	    print STDERR "CreateSliver failed on $urn: ".
		(defined($response) ? $response->output() : "") . "\n";
	    return -1;
	}
	last;
    }
    # This will get overwritten later.
    if (defined($response) && defined($response->logurl())) {
	$aggobj->SetPublicURL($response->logurl());
    }
    my $manifest = $response->value()->[1];
    if (!defined($manifest)) {
1136
	$webtask->Exited(-1);
1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176
	$aggobj->SetStatus("failed");
	print STDERR "CreateSliver $urn: No manifest returned\n";
	return -1;
    }
    $aggobj->SetStatus("provisioned");
    $aggobj->SetManifest($manifest);
    return 0;
}

sub CreateSlivers()
{
    my ($perrmsg) = @_;

    my @return_codes = ();
    if (ParRun({"maxwaittime" => 99999,
		"maxchildren" => scalar(@aggregate_list)},
	       \@return_codes, \&CreateSliver, @aggregate_list)) {
	#
	# The parent caught a signal. Leave things intact so that we can
	# kill things cleanly later.
	#
	$slice->UnLock();
	$instance->SetStatus("failed");
	return -1;
    }
    #
    # Check the exit codes; any failure is a total failure (for now).
    #
    foreach my $aggobj (@aggregate_list) {
	#
	# Have to refresh the sliver objects since they were updated in a fork.
	# Need the manifests for the call to ComputeNodeCounts below.
	#
	$aggobj->Refresh();
	my $code = shift(@return_codes);
	if ($code) {
	    $slice->UnLock();
	    $instance->SetStatus("failed");
	    $webtask->output($aggobj->webtask()->output())
		if (defined($aggobj->webtask()->output()));
1177 1178 1179 1180
	    # This will be the createsliver exit code if we got one, or -1.
	    $code = $aggobj->webtask()->exitcode()
		if (defined($aggobj->webtask()->exitcode()));
	    return $code;
1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191
	}
    }
    return 0;
}

#
# Run the stitcher to allocate resources. We use this whenever we have
# links that cross aggregates
#
sub RunStitcher()
{
1192
    my $tmpdir        = mktemp("/tmp/stitcher.XXXXXX");
1193 1194
    my $slicecredfile = "$tmpdir/slicecred.xml";
    my $speaksforfile = "$tmpdir/speaksforcred.xml";
1195
    my $al2scredfile  = "$tmpdir/al2scred.xml";
Leigh B Stoller's avatar<