create_instance.in 40.7 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
# 
# {{{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', 't=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 52
my $webtask;
my $webtask_id;
53
my $localuser  = 0;
54
my $usestitcher= 0;
55
my $quickuuid;
56
my $default_aggregate_urn = $DEFAULT_URN;
57
my $this_user;
58
my $xmlparse;
59 60 61 62 63 64 65
my $instance;
my $slice;
my $sitemap;
my @aggregate_urns = ();

# Debugging
my $usemydevtree  = 0;
66 67 68 69

# Protos
sub fatal($);
sub UserError($);
70
sub SnapShot($$$);
71
sub GenCredentials($$$$);
72
sub CreateDatasetCreds($$$$$);
73 74
sub CreateSlivers();
sub RunStitcher();
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;
115 116 117 118 119 120 121 122 123 124 125
use OSinfo;
use emutil;
use GeniDB;
use GeniUser;
use GeniCertificate;
use GeniCredential;
use GeniSlice;
use GeniAuthority;
use GeniHRN;
use Genixmlrpc;
use GeniResponse;
126
use GeniXML;
127
use WebTask;
128
use Logfile;
129 130 131 132 133

#
# Parse command arguments. Once we return from getopts, all that should be
# left are the required arguments.
#
134
Getopt::Long::Configure("no_ignore_case");
135
my %options = ();
136
if (! GetOptions(\%options, @optlist, "site=s%" => \$sitemap)) {
137 138
    usage();
}
139
if (defined($options{"a"})) {
140
    $default_aggregate_urn = $options{"a"};
141
}
142 143 144 145 146 147
if (defined($options{"d"})) {
    $debug = 1;
}
if (defined($options{"v"})) {
    $verbose = 1;
}
148 149
if (defined($options{"S"})) {
    $usestitcher = 1;
150 151 152 153
}
if (defined($options{"t"})) {
    $webtask_id = $options{"t"};
}
154 155 156
if (defined($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, $slice_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;

270 271 272 273 274 275 276 277 278 279 280 281 282
#
# 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");
    }
    $slice_id = $value;
}

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
# Sanity check sites
307
#
308 309 310 311 312 313 314 315 316 317 318 319
if (defined($sitemap)) {
    foreach my $siteid (keys(%{ $sitemap })) {
	my $manager_urn = $sitemap->{$siteid};

	foreach my $oid (keys(%{ $sitemap })) {
	    next if
		($oid eq $siteid);

	    if ($manager_urn eq $sitemap->{$oid}) {
		UserError("You selected the same cluster for two sites.");
	    }
	}
320
    }
321
}
322 323 324 325 326 327 328 329 330 331

#
# Update rspec with site aggregate urns.
#
# SetSites will tell us if we must use stitcher.
#
my $needstitcher = 0;
    
if (APT_Profile::SetSites(\$rspecstr, $sitemap, $default_aggregate_urn,
			  \@aggregate_urns, \$needstitcher, \$errmsg)) {
332
    fatal($errmsg);
333
}
334 335
# but do not override command line force.
$usestitcher = 1 if ($needstitcher);
336

337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358
#
# 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);
}

359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379
#
# 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");
	}
	$sshkey = <KEYGEN>;
	if (!close(KEYGEN)) {
	    UserError("Could not parse ssh key!");
	}
    }
380 381
    close($fh);
    unlink($keyfile);
382
}
383 384
chomp($sshkey)
    if (defined($sshkey));
385 386 387 388 389 390

#
# 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).
#
391 392 393 394 395 396 397
# 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) {
398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417
    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);
    }
418 419 420 421
}
else {
    $geniuser = GeniUser->Lookup($user_urn);

422 423 424
    #
    # In Utah, check for alternate SA
    #
425
    if (!defined($geniuser) && $MAINSITE) {
426 427
	$user_urn = GeniHRN::Generate("aptlab.net", "user", $user_uid);
	$user_hrn = "aptlab.${user_uid}";
428
	$geniuser = GeniUser->Lookup($user_urn, 0);
429 430
    }
}
431
if (!defined($geniuser)) {
432 433 434
    if ($localuser) {
	fatal("Could not lookup local user $user_urn");
    }
435
    
436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452
    #
    # 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");
    }
453 454 455 456 457 458 459 460
    my $blob = {"urn"      => $user_urn,
		"hrn"      => $user_hrn,
		"email"    => $user_email,
		"showuuid" => 1};
    if ($MAINSITE) {
	$blob->{'useaptca'} = 1;
    }
    my $certificate = GeniCertificate->Create($blob);
461 462 463 464 465 466 467 468 469 470
    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
471
    # Setup browser ssh.
472
    #
473 474 475
    system("$SSHSETUP " . $geniuser->uuid());
    fatal("Could not create ssh key pair")
	if ($?);
476 477 478 479
}
my $user_uuid = $geniuser->uuid();
# So we know this user has dome something lately.
$geniuser->BumpActivity();
480

481 482 483
if ($localuser) {
    my $emulab_user = $geniuser->emulab_user();
    if ($emulab_user->IsNonLocal()) {
484 485
	#
	# A user created from a Geni certificate via geni-login. We
486 487
	# asked for the current ssh keys from the MA when they logged
	# in, but we ask again to make sure have the latest keys.
488
	#
489
	system("$UPDATEGENIUSER -s " . $emulab_user->uid());
490
	if (0) {
491 492
	    fatal("Could not update ssh keys for nonlocal user");
	}
493 494 495 496 497 498
	#
	# Check project membership, must be a member of at least one
	# valid project at the GPO portal.
	#
	system("$UPDATEGENIUSER -p " . $emulab_user->uid());
	if ($?) {
499 500 501
	    UserError("Could not get your project membership from your ".
		      "member authority. It is probably offline, please try ".
		      "again later.");
502 503
	}
	
504 505
	# Nonlocal users get the holding project.
	$pid = "CloudLab";
506
    }
507
    elsif (defined($sshkey) && !$emulab_user->LookupSSHKey($sshkey)) {
508 509 510 511 512 513
	#
	# 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.
	#
	
514
	#
515 516 517 518
	# 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
519 520 521 522 523
	# 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.
524
	#
525 526 527
	my ($fh, $keyfile) = tempfile(UNLINK => 0);
	print $fh $sshkey;

528
	if (system("$ADDPUBKEY -a -u $user_uid -f $keyfile")) {
529 530 531 532 533
	    fatal("Could not add new ssh pubkey");
	}
	close($fh);
	unlink($keyfile);
    }
534 535 536 537 538 539 540 541 542 543 544 545 546 547
    #
    # Hmm, users with real accounts who never used Geni, but now want
    # to use APT/Cloud, have no encrypted SSL certificate. Rather then
    # force them through the web ui (and have to explain it), create one
    # for them using a random passphrase. The user will not know the
    # passphrase, but for most users it will not matter.
    #
    # This is also going to catch expired certificates, we will regenerate
    # them using the existing passphrase.
    #
    if ($emulab_user->HasValidEncryptedCert() == 0 &&
	$emulab_user->GenEncryptedCert()) {
	fatal("Could not (re)generate encrypted certificate");
    }
548 549 550 551 552 553 554 555 556 557

    # 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
558 559
	fatal("No permission to create experiments in project ".
	      $project->pid());
560 561 562 563 564 565 566
    }
    $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
567
	# interface. We allow key reuse for existing users, see above.
568 569 570 571 572 573
	#
	$geniuser->DeleteKeys();
	$geniuser->AddKey($sshkey);
    }
    # Guest users get a holding project.
    $pid = "aptguests";
574 575 576 577
    $project = Project->Lookup($pid);
    if (!defined($project)) {
	fatal("Project $pid does not exist");
    }
578
}
579 580 581
#
# Now we know where to send to logs.
#
582 583
if (!$debug) {
    AddAuditInfo("cc", $project->LogsEmailAddress());
Leigh B Stoller's avatar
Leigh B Stoller committed
584 585 586 587
    if ($MAINSITE && $project->isEmulab()) {
	# Mostly people use the Cloudlab UI.
	AddAuditInfo("cc", "cloudlab-logs\@cloudlab.us");
    }
588
}
589

Leigh B Stoller's avatar
Leigh B Stoller committed
590
# There will be "internal" keys cause we pass the flag asking for them.
591
my @sshkeys;
Leigh B Stoller's avatar
Leigh B Stoller committed
592
if ($geniuser->GetKeyBundle(\@sshkeys, 1) < 0 || !@sshkeys) {
593 594 595
    fatal("No ssh keys to use for $geniuser!");
}

596 597 598
# Generate the extra credentials that tells the backend this experiment
# can access the datasets.
my @dataset_credentials = ();
599 600 601 602 603 604 605
if (defined($profile)) {
    my $retval = CreateDatasetCreds($rspecstr,
				    $profile->pid(), $geniuser, 
				    \$errmsg, \@dataset_credentials);
    if ($retval) {
	($retval < 0 ? fatal($errmsg) : UserError($errmsg));
    }
606 607
}

608
#
609 610 611
#
# Now generate a slice registration and credential
#
612
my $safe_uid    = $user_uid; $safe_uid =~ s/_/-/;
613 614 615
if (! defined($slice_id)) {
    $slice_id   = $safe_uid . "-QV" . TBGetUniqueIndex('next_quickvm', 1);
}
616
my $slice_urn   = GeniHRN::Generate("${OURDOMAIN}:${pid}", "slice", $slice_id);
617
my $slice_hrn   = "${PGENIDOMAIN}.${pid}.${slice_id}";
618
my $SERVER_NAME = (exists($ENV{"SERVER_NAME"}) ? $ENV{"SERVER_NAME"} : "");
619 620 621 622 623

#
# Make sure slice is unique. Probably retry here at some point. 
#
if (GeniSlice->Lookup($slice_hrn) || GeniSlice->Lookup($slice_urn)) {
624 625 626
    fatal(defined($slice_id) ?
	  "Slice name already in use, please use another" :
	  "Could not form a unique slice name");
627 628 629 630 631 632 633 634 635 636 637 638 639 640 641
}
	    
#
# 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.
642 643
$slice = GeniSlice->Create($slice_certificate,
			   $geniuser, $sa_authority, undef, 1);
644 645 646 647
if (!defined($slice)) {
    $slice_certificate->Delete();
    fatal("Could not create new slice object for $slice_urn");
}
648 649
# These get quick expirations, unless it is a real user.
if ($slice->SetExpiration(time() + (($localuser ? 16 : 3) * 3600)) != 0) {
650 651 652 653
    fatal("Could not set the slice expiration for $slice_urn");
}
my $slice_uuid = $slice->uuid();

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
#
# 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));

681
#
682
# Generate credentials we need.
683
#
684
my ($slice_credential, $speaksfor_credential) =
685
    APT_Geni::GenCredentials($slice, $geniuser);
686 687 688
if (! (defined($speaksfor_credential) &&
       defined($slice_credential))) {
    fatal("Could not generate credentials");
689 690
}

691
#
692
# Got this far, lets create a quickvm record.
693
#
694
my $quickvm_uuid = (defined($quickuuid) ? $quickuuid : NewUUID());
695 696 697
if (!defined($quickvm_uuid)) {
    fatal("Could not generate a new uuid");
}
698
my $blob = {'uuid'         => $quickvm_uuid,
699
	    'name'         => $slice_id,
700 701 702 703 704 705 706
	    'profile_id'   => $profileid,
	    'profile_version' => $version,
	    'slice_uuid'   => $slice_uuid,
	    'creator'      => $geniuser->uid(),
	    'creator_idx'  => $geniuser->idx(),
	    'creator_uuid' => $geniuser->uuid(),
	    'status'       => "created",
707 708
	    'servername'   => $SERVER_NAME,
	    'rspec'        => $rspecstr,
709
	    'cert'         => $alt_certificate->cert(),
710
	    'privkey'      => $alt_certificate->PrivKeyDelimited(),
711 712 713 714 715
};
if (defined($project)) {
    $blob->{"pid"}     = $project->pid();
    $blob->{"pid_idx"} = $project->pid_idx();
}
716
$errmsg = undef;
717
$instance = APT_Instance->Create($blob, \$errmsg);
Leigh B Stoller's avatar
Leigh B Stoller committed
718
if (!defined($instance)) {
719 720
    fatal(defined($errmsg) ? $errmsg :
	  "Could not create instance record for $quickvm_uuid");
721
}
722 723 724 725 726 727 728 729
# To keep stuff happy until multisite support finished.
if (keys(%{$sitemap})) {
    my ($temp_aggregate_urn) = values(%{$sitemap});
    $instance->Update({'aggregate_urn' => $temp_aggregate_urn});
}
else {
    $instance->Update({'aggregate_urn' => $default_aggregate_urn});
}
730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748

# 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);
}

749 750
#
# Create a webtask so that we can store additional information about
751
# the sliver while we wait.
752 753
#
$webtask = WebTask->Create($instance->uuid());
754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770
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";
771 772 773 774 775

#
# Exit and let caller poll for status.
#
if (!$debug) {
776
    libaudit::AuditPrefork();
777 778 779 780 781 782 783 784
    my $child = fork();
    if ($child) {
	# Parent exits but avoid libaudit email.
	exit(0);
    }
    # All of the logging magic happens in here.
    libaudit::AuditFork();
}
785
# Bind the process id.
786 787
$webtask->SetProcessID($PID);

788 789 790
if ($usestitcher) {
    my $rval = RunStitcher();
    if ($rval) {
791 792 793
	$slice->UnLock();
	$instance->SetStatus("failed");
	$webtask->Exited(1);
794
	exit($rval);
795
    }
796
}
797 798 799 800 801
else {
    my $rval = CreateSlivers();
    exit($rval)
	if ($rval);
}
Leigh B Stoller's avatar
Leigh B Stoller committed
802
$instance->SetStatus("provisioned");
803
$instance->ComputeNodeCounts();
804 805

#
806 807 808
# Now wait for the sliver to be ready, which means polling.
#
# Shorten default timeout.
809
#
810
Genixmlrpc->SetTimeout(60);
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
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;
836
    
837
	my $response = $aggobj->SliceStatus();
838 839 840 841 842 843 844
	if (!defined($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 ": " . $response->output();
845 846 847 848 849 850 851 852
		if ($response->output() =~ /read timeout/) {
		    $webtask->output("Lost contact with the aggregate. " .
				     "Possibly a network failure, ".
				     "please try again later.");
		}
		else {
		    $webtask->output($response->output());
		}
853
	    }
854 855 856
	    print STDERR "\n";
	    $failed = 1;
	    last;
857
	}
858 859 860
	next
	    if ($response->code() == GENIRESPONSE_BUSY ||
		$response->code() == GENIRESPONSE_SERVER_UNAVAILABLE);
861

862 863 864 865 866 867
	$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.
	#
868
	my $statusblob = {};
869 870
	foreach my $urn (keys(%{$repblob->{'details'}})) {
	    my $details = $repblob->{'details'}->{$urn};
871 872 873
	    my $node_id = $details->{'client_id'};
	    $statusblob->{$node_id} = $details;
	}
874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889
	$webtask->sliverstatus($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 $urn failed");
	    last;
	}
890
    }
891 892 893 894 895 896 897 898 899
    if ($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");
	}
	$webtask->Exited(1);
	return 1;
900
    }
901 902 903 904 905 906 907 908
    $aggobj->SetStatus("ready");
    $webtask->Exited(0);
    return 0;
}

#
# Okay, fire off the waits for each aggregate
#
909
my @return_codes = ();
910 911 912 913 914 915 916
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();
917 918
    print STDERR "Internal error in WaitForSlivers\n";
    $webtask->output("Internal error in WaitForSlivers");
919 920 921 922
    $instance->SetStatus("failed");
    $webtask->Exited(1);
    exit(-1);
}
923
print "$slice_urn\n";
924 925 926 927 928 929 930 931 932 933

#
# 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();
934 935 936 937 938 939 940 941 942 943 944 945 946
    print $aggobj->aggregate_urn() . "\n";
    if ($code) {
	$failed++;
	print "WaitforSliver Failure!\n";
	if (defined($aggobj->webtask()->output())) {
	    $webtask->output($aggobj->webtask()->output());
	    print $aggobj->webtask()->output() . "\n";
	}
	else {
	    $webtask->output("WaitforSliver Failure at " .
			     $aggobj->aggregate_urn());
	}
    }
947 948
    if (defined($aggobj->public_url())) {
	print $aggobj->public_url() . "\n";
949
    }
950 951
    print "\n" . $aggobj->manifest() . "\n\n";
    print "------------------------------------------------------------\n\n";
952
}
953
$slice->UnLock();
954

955
if ($failed) {
Leigh B Stoller's avatar
Leigh B Stoller committed
956
    $instance->SetStatus("failed");
957
    $webtask->Exited(1);
958 959 960
}
else {
    $instance->SetStatus("ready");
961
    $webtask->Exited(0);
962
}
963 964
exit(0);

965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981
#
# 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()) {
982 983
	    my $dataset_id = GeniXML::GetText("persistent", $blockref);
	    if (!defined($dataset_id)) {
984
		# persistent is deprecated.
985
		$dataset_id = GeniXML::GetText("dataset", $blockref);
986
	    }
987 988 989 990 991 992

	    #
	    # We only care about datasets here, we let the backend
	    # do the error checking on ephemeral blockstores.
	    #
	    next
993 994 995 996 997 998 999 1000 1001 1002
		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");
1003
	    
1004
	    my ($authority, $type, $id) = GeniHRN::Parse($dataset_id);
1005 1006 1007 1008 1009 1010 1011 1012 1013 1014
	    #
	    # 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)) {
1015
		$dataset = APT_Dataset->LookupByRemoteURN($dataset_id);
1016 1017 1018 1019
		if (!defined($dataset)) {
		    $$pmsg = "Persistent dataset '$pid/$id' does not exist";
		    return 1;
		}
1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039
	    }
	    my $certificate = $dataset->GetCertificate();
	    if (!defined($certificate)) {
		$$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;
}

1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075
#
# 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,
				     "keys"        =>
					 [{'urn'   => $user_urn,
					   'login' => $user_uid,
					   'keys'  => \@sshkeys }],
1076
				     "credentials" =>
1077 1078 1079
					 [$slice_credential->asString(),
					  $speaksfor_credential->asString(),
					  @dataset_credentials
1080
					 ],
1081
				     "certificate" => $alt_certificate->cert(),
1082 1083
				     "key"         =>
				        $alt_certificate->PrivKeyDelimited(),
1084
				   });
1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 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

	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 {
		$webtask->Exited(1);
	    }
	    $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)) {
	$webtask->Exited(1);
	$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");
	$webtask->Exited(1);
	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()));
1162
	    $webtask->Exited($code);
1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174
	    return 1;
	}
    }
    return 0;
}

#
# Run the stitcher to allocate resources. We use this whenever we have
# links that cross aggregates
#
sub RunStitcher()
{
1175
    my $tmpdir        = mktemp("/tmp/stitcher.XXXXXX");
1176 1177
    my $slicecredfile = "$tmpdir/slicecred.xml";
    my $speaksforfile = "$tmpdir/speaksforcred.xml";
1178
    my $al2scredfile  = "$tmpdir/al2scred.xml";
1179
    my $rspecfile     = "$tmpdir/rspec.xml";
1180 1181
    my $stdoutfile    = "$tmpdir/stitcher.stdout";
    my $stderrfile    = "$tmpdir/stitcher.stderr";
1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193
    my $failed        = 0;

    #
    # The AM API uses a different ssh key structure, just a list of strings.
    #
    @sshkeys = map { $_->{'key'} } @sshkeys;

    #
    # Hey, I think stitcher/omni has as many options as snmpit. Wow!
    #
    my $command = "$STITCHER --fileDir $tmpdir --cred $speaksforfile ".
	"--slicecredfile $slicecredfile --usercredfile $slicecredfile ".
1194
	"--al2scredfile $al2scredfile --debug ".
Leigh B Stoller's avatar
Leigh B Stoller committed
1195 1196 1197
	# We do not want these two files defaulting to user home dir.
	"--GetVersionCacheName=$tmpdir/get_version_cache.json ".
	"--AggNickCacheName=$tmpdir/agg_nick_cache ".
1198 1199 1200 1201 1202 1203 1204
	"--scsURL https://nutshell.maxgigapop.net:8443/geni/xmlrpc  ".
	"--speaksfor $user_urn -V3 allocate $slice_urn $rspecfile";

    return -1
	if (! mkdir("$tmpdir", 0755));

    print "Using $tmpdir for stitcher\n"
1205
	if ($debug || $verbose);
1206
    print "Stitcher command: $command\n"
1207
	if ($debug || $verbose);
1208 1209 1210 1211 1212

    goto bad
	if ($instance->WriteCredentials($tmpdir));

    goto bad
Leigh B Stoller's avatar
Leigh B Stoller committed
1213 1214 1215 1216
	if (system("/bin/cp -fp /usr/testbed/etc/stitcher/omni_config $tmpdir"));
    goto bad
	if (system("/bin/cp -fp /usr/testbed/etc/stitcher/agg_nick_cache ".
		   "$tmpdir/agg_nick_cache"));
1217 1218 1219 1220 1221 1222 1223 1224

    if (!open(XML, ">$rspecfile")) {
	print STDERR "Could not open $rspecfile: $!\n";
	goto bad;
    }
    print XML $rspecstr;
    close(XML);

1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235
    #
    # Use a log file for the stitcher output, so we can spew it.
    # The file in the tmp dir has to exist.
    #
    system("/bin/cp /dev/null $stdoutfile");
    my $logfile = Logfile->Create($project->GetProjectGroup(), $stdoutfile);
    if (!defined($logfile)) {
	print STDERR "Could not create logfile\n";
    }
    else {
	$logfile->Open();
Leigh B Stoller's avatar
Leigh B Stoller committed
1236
	$logfile->SetPublic(1);
1237 1238 1239
	$instance->SetLogFile($logfile);
    }