All new accounts created on Gitlab now require administrator approval. If you invite any collaborators, please let Flux staff know so they can approve the accounts.

create_instance.in 40.3 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
    }
}

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

# 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");
}

#
216
# We use the normal XMLRPC route, so need a context.
217 218 219 220 221 222 223 224 225 226
#
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.
#
227 228 229 230
$xmlparse = eval { XMLin($xmlfile,
			 VarAttr => 'name',
			 ContentKey => '-content',
			 SuppressEmpty => undef); };
231 232 233 234 235 236
fatal($@)
    if ($@);

#
# Make sure all the required arguments were provided.
#
237
foreach my $key ("username", "email", "profile") {
238 239 240 241 242 243 244 245 246
    fatal("Missing required attribute '$key'")
	if (! (exists($xmlparse->{'attribute'}->{"$key"}) &&
	       defined($xmlparse->{'attribute'}->{"$key"}) &&
	       $xmlparse->{'attribute'}->{"$key"} ne ""));
}

#
# Gather up args and sanity check.
#
247
my ($value, $user_urn, $user_uid, $user_hrn, $user_email, $project, $pid,
248
    $sshkey, $profile, $profileid, $version, $rspecstr, $errmsg, $slice_id);
249 250 251 252 253

#
# Username and email has to be acceptable to Emulab user system.
#
$value = $xmlparse->{'attribute'}->{"username"}->{'value'};
Leigh B Stoller's avatar
Leigh B Stoller committed
254
if (! TBcheck_dbslot($value, "users", "uid",
255
		     TBDB_CHECKDBSLOT_WARN|TBDB_CHECKDBSLOT_ERROR)) {
Leigh B Stoller's avatar
Leigh B Stoller committed
256
    fatal("Illegal username: $value - " . TBFieldErrorString());
257 258 259 260 261 262 263 264 265 266 267 268
}
$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;

269 270 271 272 273 274 275 276 277 278 279 280 281
#
# 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;
}

282
#
283
# Profile.
284
#
285
# This is a safe lookup.
286 287 288
$value = $xmlparse->{'attribute'}->{"profile"}->{'value'};
$profile = APT_Profile->Lookup($value);
if (!defined($profile)) {
Leigh B Stoller's avatar
Leigh B Stoller committed
289
    fatal("No such profile: $value");
290
}
291 292
$profileid = $profile->profileid();
$version   = $profile->version();
293

294
#
295
# Optional rspec, as for a Parameterized Profile.
296
#
297 298
if (exists($xmlparse->{'attribute'}->{"rspec"})) {
    $rspecstr  = $xmlparse->{'attribute'}->{"rspec"}->{'value'};
299
}
300 301
else {
    $rspecstr  = $profile->CheckFirewall(!$localuser);
302 303
}

304 305 306
#
# Update rspec with site aggregate urns.
#
307 308 309 310 311
if (keys(%{$sitemap})) {
    # SetSites will tell us if we must use stitcher.
    my $needstitcher = 0;
    
    if (APT_Profile::SetSites(\$rspecstr, $sitemap, \$needstitcher, \$errmsg)) {
312 313
	fatal($errmsg);
    }
314 315 316 317 318
    # but do not override command line force.
    $usestitcher = 1 if ($needstitcher);
}
elsif (APT_Profile::BindRspec(\$rspecstr, $default_aggregate_urn, \$errmsg)) {
    fatal($errmsg);
319 320 321 322 323 324 325 326 327 328
}
if (keys(%{$sitemap})) {
    foreach my $siteid (keys(%{$sitemap})) {
	push(@aggregate_urns, $sitemap->{$siteid})
    }
}
else {
    push(@aggregate_urns, $default_aggregate_urn);
}

329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350
#
# 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);
}

351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371
#
# 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");
	}
	$sshkey = <KEYGEN>;
	if (!close(KEYGEN)) {
	    UserError("Could not parse ssh key!");
	}
    }
372 373
    close($fh);
    unlink($keyfile);
374
}
375 376
chomp($sshkey)
    if (defined($sshkey));
377 378 379 380 381 382

#
# 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).
#
383 384 385 386 387 388 389
# 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) {
390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409
    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);
    }
410 411 412 413
}
else {
    $geniuser = GeniUser->Lookup($user_urn);

414 415 416
    #
    # In Utah, check for alternate SA
    #
417
    if (!defined($geniuser) && $MAINSITE) {
418 419
	$user_urn = GeniHRN::Generate("aptlab.net", "user", $user_uid);
	$user_hrn = "aptlab.${user_uid}";
420
	$geniuser = GeniUser->Lookup($user_urn, 0);
421 422
    }
}
423
if (!defined($geniuser)) {
424 425 426
    if ($localuser) {
	fatal("Could not lookup local user $user_urn");
    }
427
    
428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444
    #
    # 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");
    }
445 446 447 448 449 450 451 452
    my $blob = {"urn"      => $user_urn,
		"hrn"      => $user_hrn,
		"email"    => $user_email,
		"showuuid" => 1};
    if ($MAINSITE) {
	$blob->{'useaptca'} = 1;
    }
    my $certificate = GeniCertificate->Create($blob);
453 454 455 456 457 458 459 460 461 462
    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
463
    # Setup browser ssh.
464
    #
465 466 467
    system("$SSHSETUP " . $geniuser->uuid());
    fatal("Could not create ssh key pair")
	if ($?);
468 469 470 471
}
my $user_uuid = $geniuser->uuid();
# So we know this user has dome something lately.
$geniuser->BumpActivity();
472

473 474 475
if ($localuser) {
    my $emulab_user = $geniuser->emulab_user();
    if ($emulab_user->IsNonLocal()) {
476 477
	#
	# A user created from a Geni certificate via geni-login. We
478 479
	# asked for the current ssh keys from the MA when they logged
	# in, but we ask again to make sure have the latest keys.
480
	#
481
	system("$UPDATEGENIUSER -s " . $emulab_user->uid());
482
	if (0) {
483 484
	    fatal("Could not update ssh keys for nonlocal user");
	}
485 486 487 488 489 490 491 492 493
	#
	# Check project membership, must be a member of at least one
	# valid project at the GPO portal.
	#
	system("$UPDATEGENIUSER -p " . $emulab_user->uid());
	if ($?) {
	    fatal("Not a member of any projects");
	}
	
494 495
	# Nonlocal users get the holding project.
	$pid = "CloudLab";
496
    }
497
    elsif (defined($sshkey) && !$emulab_user->LookupSSHKey($sshkey)) {
498 499 500 501 502 503
	#
	# 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.
	#
	
504
	#
505 506 507 508
	# 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
509 510 511 512 513
	# 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.
514
	#
515 516 517
	my ($fh, $keyfile) = tempfile(UNLINK => 0);
	print $fh $sshkey;

518
	if (system("$ADDPUBKEY -a -u $user_uid -f $keyfile")) {
519 520 521 522 523
	    fatal("Could not add new ssh pubkey");
	}
	close($fh);
	unlink($keyfile);
    }
524 525 526 527 528 529 530 531 532 533 534 535 536 537
    #
    # Hmm, users with real accounts who never used Geni, but now want
    # to use APT/Cloud, have no encrypted SSL certificate. Rather then
    # force them through the web ui (and have to explain it), create one
    # for them using a random passphrase. The user will not know the
    # passphrase, but for most users it will not matter.
    #
    # This is also going to catch expired certificates, we will regenerate
    # them using the existing passphrase.
    #
    if ($emulab_user->HasValidEncryptedCert() == 0 &&
	$emulab_user->GenEncryptedCert()) {
	fatal("Could not (re)generate encrypted certificate");
    }
538 539 540 541 542 543 544 545 546 547

    # 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
548 549
	fatal("No permission to create experiments in project ".
	      $project->pid());
550 551 552 553 554 555 556
    }
    $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
557
	# interface. We allow key reuse for existing users, see above.
558 559 560 561 562 563
	#
	$geniuser->DeleteKeys();
	$geniuser->AddKey($sshkey);
    }
    # Guest users get a holding project.
    $pid = "aptguests";
564 565 566 567
    $project = Project->Lookup($pid);
    if (!defined($project)) {
	fatal("Project $pid does not exist");
    }
568
}
569 570 571
#
# Now we know where to send to logs.
#
572 573 574
if (!$debug) {
    AddAuditInfo("cc", $project->LogsEmailAddress());
}
575

Leigh B Stoller's avatar
Leigh B Stoller committed
576
# There will be "internal" keys cause we pass the flag asking for them.
577
my @sshkeys;
Leigh B Stoller's avatar
Leigh B Stoller committed
578
if ($geniuser->GetKeyBundle(\@sshkeys, 1) < 0 || !@sshkeys) {
579 580 581
    fatal("No ssh keys to use for $geniuser!");
}

582 583 584
# Generate the extra credentials that tells the backend this experiment
# can access the datasets.
my @dataset_credentials = ();
585 586 587 588 589 590 591
if (defined($profile)) {
    my $retval = CreateDatasetCreds($rspecstr,
				    $profile->pid(), $geniuser, 
				    \$errmsg, \@dataset_credentials);
    if ($retval) {
	($retval < 0 ? fatal($errmsg) : UserError($errmsg));
    }
592 593
}

594
#
595 596 597
#
# Now generate a slice registration and credential
#
598
my $safe_uid    = $user_uid; $safe_uid =~ s/_/-/;
599 600 601
if (! defined($slice_id)) {
    $slice_id   = $safe_uid . "-QV" . TBGetUniqueIndex('next_quickvm', 1);
}
602
my $slice_urn   = GeniHRN::Generate("${OURDOMAIN}:${pid}", "slice", $slice_id);
603
my $slice_hrn   = "${PGENIDOMAIN}.${pid}.${slice_id}";
604
my $SERVER_NAME = (exists($ENV{"SERVER_NAME"}) ? $ENV{"SERVER_NAME"} : "");
605 606 607 608 609

#
# Make sure slice is unique. Probably retry here at some point. 
#
if (GeniSlice->Lookup($slice_hrn) || GeniSlice->Lookup($slice_urn)) {
610 611 612
    fatal(defined($slice_id) ?
	  "Slice name already in use, please use another" :
	  "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,
695 696
	    'cert'         => $alt_certificate->cert(),
	    'privkey'      => $alt_certificate->privkey(),
697 698 699 700 701
};
if (defined($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});
}
716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734

# 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);
}

735 736
#
# Create a webtask so that we can store additional information about
737
# the sliver while we wait.
738 739
#
$webtask = WebTask->Create($instance->uuid());
740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756
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";
757 758 759 760 761 762 763 764 765 766 767 768 769 770 771

#
# 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();
}
772
# Bind the process id.
773 774
$webtask->SetProcessID($PID);

775 776 777
if ($usestitcher) {
    my $rval = RunStitcher();
    if ($rval) {
778 779 780
	$slice->UnLock();
	$instance->SetStatus("failed");
	$webtask->Exited(1);
781
	exit($rval);
782
    }
783
}
784 785 786 787 788
else {
    my $rval = CreateSlivers();
    exit($rval)
	if ($rval);
}
Leigh B Stoller's avatar
Leigh B Stoller committed
789
$instance->SetStatus("provisioned");
790
$instance->ComputeNodeCounts();
791 792

#
793 794 795
# Now wait for the sliver to be ready, which means polling.
#
# Shorten default timeout.
796
#
797
Genixmlrpc->SetTimeout(60);
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
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;
823
    
824
	my $response = $aggobj->SliceStatus();
825 826 827 828 829 830 831
	if (!defined($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 ": " . $response->output();
832 833 834 835 836 837 838 839
		if ($response->output() =~ /read timeout/) {
		    $webtask->output("Lost contact with the aggregate. " .
				     "Possibly a network failure, ".
				     "please try again later.");
		}
		else {
		    $webtask->output($response->output());
		}
840
	    }
841 842 843
	    print STDERR "\n";
	    $failed = 1;
	    last;
844
	}
845 846 847
	next
	    if ($response->code() == GENIRESPONSE_BUSY ||
		$response->code() == GENIRESPONSE_SERVER_UNAVAILABLE);
848

849 850 851 852 853 854
	$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.
	#
855
	my $statusblob = {};
856 857
	foreach my $urn (keys(%{$repblob->{'details'}})) {
	    my $details = $repblob->{'details'}->{$urn};
858 859 860
	    my $node_id = $details->{'client_id'};
	    $statusblob->{$node_id} = $details;
	}
861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876
	$webtask->sliverstatus($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 $urn failed");
	    last;
	}
877
    }
878 879 880 881 882 883 884 885 886
    if ($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;
887
    }
888 889 890 891 892 893 894 895
    $aggobj->SetStatus("ready");
    $webtask->Exited(0);
    return 0;
}

#
# Okay, fire off the waits for each aggregate
#
896
my @return_codes = ();
897 898 899 900 901 902 903
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();
904 905
    print STDERR "Internal error in WaitForSlivers\n";
    $webtask->output("Internal error in WaitForSlivers");
906 907 908 909
    $instance->SetStatus("failed");
    $webtask->Exited(1);
    exit(-1);
}
910
print "$slice_urn\n";
911 912 913 914 915 916 917 918 919 920

#
# 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();
921 922 923 924 925 926 927 928 929 930 931 932 933
    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 " .
			     $aggobj->aggregate_urn());
	}
    }
934 935
    if (defined($aggobj->public_url())) {
	print $aggobj->public_url() . "\n";
936
    }
937 938
    print "\n" . $aggobj->manifest() . "\n\n";
    print "------------------------------------------------------------\n\n";
939
}
940
$slice->UnLock();
941

942
if ($failed) {
Leigh B Stoller's avatar
Leigh B Stoller committed
943
    $instance->SetStatus("failed");
944
    $webtask->Exited(1);
945 946 947
}
else {
    $instance->SetStatus("ready");
948
    $webtask->Exited(0);
949
}
950 951
exit(0);

952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968
#
# 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()) {
969 970
	    my $dataset_id = GeniXML::GetText("persistent", $blockref);
	    if (!defined($dataset_id)) {
971
		# persistent is deprecated.
972
		$dataset_id = GeniXML::GetText("dataset", $blockref);
973
	    }
974 975 976 977 978 979

	    #
	    # We only care about datasets here, we let the backend
	    # do the error checking on ephemeral blockstores.
	    #
	    next
980 981 982 983 984 985 986 987 988 989
		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");
990
	    
991
	    my ($authority, $type, $id) = GeniHRN::Parse($dataset_id);
992 993 994 995 996 997 998 999 1000 1001
	    #
	    # 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)) {
1002
		$dataset = APT_Dataset->LookupByRemoteURN($dataset_id);
1003 1004 1005 1006
		if (!defined($dataset)) {
		    $$pmsg = "Persistent dataset '$pid/$id' does not exist";
		    return 1;
		}
1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026
	    }
	    my $certificate = $dataset->GetCertificate();
	    if (!defined($certificate)) {
		$$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;
}

1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062
#
# 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' => $user_uid,
					   'keys'  => \@sshkeys }],
1063
				     "credentials" =>
1064 1065 1066
					 [$slice_credential->asString(),
					  $speaksfor_credential->asString(),
					  @dataset_credentials
1067
					 ],
1068 1069
				     "certificate" => $alt_certificate->cert(),
				     "key"         => $alt_certificate->privkey(),
1070
				   });
1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 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

	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()));
	    $webtask->Exited(1);
	    return 1;
	}
    }
    return 0;
}

#
# Run the stitcher to allocate resources. We use this whenever we have
# links that cross aggregates
#
sub RunStitcher()
{
1161
    my $tmpdir        = mktemp("/tmp/stitcher.XXXXXX");
1162 1163
    my $slicecredfile = "$tmpdir/slicecred.xml";
    my $speaksforfile = "$tmpdir/speaksforcred.xml";
1164
    my $al2scredfile  = "$tmpdir/al2scred.xml";
1165
    my $rspecfile     = "$tmpdir/rspec.xml";
1166 1167
    my $stdoutfile    = "$tmpdir/stitcher.stdout";
    my $stderrfile    = "$tmpdir/stitcher.stderr";
1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179
    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 ".
1180
	"--al2scredfile $al2scredfile --debug ".
Leigh B Stoller's avatar
Leigh B Stoller committed
1181 1182 1183
	# We do not want these two files defaulting to user home dir.
	"--GetVersionCacheName=$tmpdir/get_version_cache.json ".
	"--AggNickCacheName=$tmpdir/agg_nick_cache ".
1184 1185 1186 1187 1188 1189 1190
	"--scsURL https://nutshell.maxgigapop.net:8443/geni/xmlrpc  ".
	"--speaksfor $user_urn -V3 allocate $slice_urn $rspecfile";

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

    print "Using $tmpdir for stitcher\n"
1191
	if ($debug || $verbose);
1192
    print "Stitcher command: $command\n"
1193
	if ($debug || $verbose);
1194 1195 1196 1197 1198

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

    goto bad
Leigh B Stoller's avatar
Leigh B Stoller committed
1199 1200 1201 1202
	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"));
1203 1204 1205 1206 1207 1208 1209 1210

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

1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221
    #
    # 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
1222
	$logfile->SetPublic(1);
1223 1224 1225
	$instance->SetLogFile($logfile);
    }

1226 1227 1228 1229
    #
    # Okay, run the stitcher. Only to allocate, we will do the provisions
    # so that we can pass the ssh keys more easily.
    #
Leigh B Stoller's avatar
Leigh B Stoller committed
1230
    $instance->SetStatus("stitching");
1231
    system("cd $tmpdir; $command > $stdoutfile 2> $stderrfile");
1232
    if ($?) {
1233
	if (-s $stderrfile) {
1234 1235
	    my $stuff = `cat $stderrfile`;
	    $webtask->output($stuff);
1236 1237 1238 1239 1240
	    system("/bin/cat $stderrfile");
	}
	else {
	    $webtask->output("Stitcher failed!");
	}
1241 1242 1243 1244 1245 1246 1247
	#
	# Even if we fail, want to pick up whatever aggregates the stitcher
	# decided to use, so that we can ensure all slivers get cleaned up
	# at termination.
	#
	$failed = 1;
    }
1248 1249 1250 1251
    if (defined($logfile)) {
	$logfile->Close();
	$logfile->Store();
    }
1252 1253 1254 1255 1256 1257 1258 1259
    
    #
    # The stitcher puts the list of aggregates into a file, read that so
    # we can add any new ones to the instance. Just read the directory and
    # find it. 
    #
    my @agglist = ();
    my $agglistfile;
1260
    my $al2smanifest;