create_instance.in 41 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
my $instance;
my $slice;
my $sitemap;
62
my $usetracker = 0;
63 64 65 66
my @aggregate_urns = ();

# Debugging
my $usemydevtree  = 0;
67 68 69 70

# Protos
sub fatal($);
sub UserError($);
71
sub SnapShot($$$);
72
sub GenCredentials($$$$);
73
sub CreateDatasetCreds($$$$$);
74 75
sub CreateSlivers();
sub RunStitcher();
76 77 78 79 80 81 82 83

#
# Configure variables
#
my $TB		  = "@prefix@";
my $TBOPS         = "@TBOPSEMAIL@";
my $TBLOGS        = "@TBLOGSEMAIL@";
my $OURDOMAIN     = "@OURDOMAIN@";
84
my $MAINSITE      = @TBMAINSITE@;
85
my $PGENIDOMAIN   = "@PROTOGENI_DOMAIN@";
86
my $PROTOGENI_URL = "@PROTOGENI_URL@";
87 88 89
my $SACERT	  = "$TB/etc/genisa.pem";
my $CMCERT	  = "$TB/etc/genicm.pem";
my $SSHKEYGEN     = "/usr/bin/ssh-keygen";
90
my $SSHSETUP      = "$TB/sbin/aptssh-setup";
91
my $ADDPUBKEY     = "$TB/sbin/addpubkey";
92
my $UPDATEGENIUSER= "$TB/sbin/protogeni/updategeniuser";
93
my $STITCHER      = "$TB/gcf/src/stitcher.py";
94
my $OPENSSL       = "/usr/bin/openssl";
95 96 97 98 99 100 101 102 103 104 105 106

# 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";
107
use EmulabConstants;
108 109
use libtestbed;
use libaudit;
Leigh B Stoller's avatar
Leigh B Stoller committed
110
use APT_Profile;
Leigh B Stoller's avatar
Leigh B Stoller committed
111
use APT_Instance;
112
use APT_Geni;
113
use APT_Dataset;
114
use User;
115
use Project;
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{"t"})) {
    $webtask_id = $options{"t"};
}
157 158 159
if (defined($options{"u"})) {
    $quickuuid = $options{"u"};
}
160
if (@ARGV < 1) {
161 162
    usage();
}
163
$xmlfile = shift(@ARGV);
164

165 166 167 168 169 170
#
# Check the filename when invoked from the web interface; must be a
# file in /tmp.
#
if (getpwuid($UID) ne "nobody") {
    $this_user = User->ThisUser();
171

172 173 174 175 176 177 178 179 180 181 182
    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");
183 184
    }

185 186 187 188 189 190 191
    # Use realpath to resolve any symlinks.
    my $translated = realpath($xmlfile);
    if ($translated =~ /^(\/tmp\/[-\w\.\/]+)$/) {
	$xmlfile = $1;
    }
    else {
	fatal("Bad data in translated pathname: $xmlfile");
192 193 194
    }
}

195 196
# Email record.
if (! $debug) {
Leigh B Stoller's avatar
Leigh B Stoller committed
197 198
    my $opts = LIBAUDIT_LOGTBLOGS()|LIBAUDIT_LOGONLY();
    AuditStart(0, undef, $opts);
199 200 201
    #
    # Once we determine the project, we can add the appropriate log CC
    #
202
}
203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219

# 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");
}

#
220
# We use the normal XMLRPC route, so need a context.
221 222 223 224 225 226 227 228 229 230
#
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.
#
231 232 233 234
$xmlparse = eval { XMLin($xmlfile,
			 VarAttr => 'name',
			 ContentKey => '-content',
			 SuppressEmpty => undef); };
235 236 237 238 239 240
fatal($@)
    if ($@);

#
# Make sure all the required arguments were provided.
#
241
foreach my $key ("username", "email", "profile") {
242 243 244 245 246 247 248 249 250
    fatal("Missing required attribute '$key'")
	if (! (exists($xmlparse->{'attribute'}->{"$key"}) &&
	       defined($xmlparse->{'attribute'}->{"$key"}) &&
	       $xmlparse->{'attribute'}->{"$key"} ne ""));
}

#
# Gather up args and sanity check.
#
251
my ($value, $user_urn, $user_uid, $user_hrn, $user_email, $project, $pid,
252
    $sshkey, $profile, $profileid, $version, $rspecstr, $errmsg, $slice_id);
253 254 255 256 257

#
# Username and email has to be acceptable to Emulab user system.
#
$value = $xmlparse->{'attribute'}->{"username"}->{'value'};
Leigh B Stoller's avatar
Leigh B Stoller committed
258
if (! TBcheck_dbslot($value, "users", "uid",
259
		     TBDB_CHECKDBSLOT_WARN|TBDB_CHECKDBSLOT_ERROR)) {
Leigh B Stoller's avatar
Leigh B Stoller committed
260
    fatal("Illegal username: $value - " . TBFieldErrorString());
261 262 263 264 265 266 267 268 269 270 271 272
}
$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;

273 274 275 276 277 278 279 280 281 282 283 284 285
#
# 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;
}

286
#
287
# Profile.
288
#
289
# This is a safe lookup.
290 291 292
$value = $xmlparse->{'attribute'}->{"profile"}->{'value'};
$profile = APT_Profile->Lookup($value);
if (!defined($profile)) {
Leigh B Stoller's avatar
Leigh B Stoller committed
293
    fatal("No such profile: $value");
294
}
295 296
$profileid = $profile->profileid();
$version   = $profile->version();
297

298
#
299
# Optional rspec, as for a Parameterized Profile.
300
#
301 302
if (exists($xmlparse->{'attribute'}->{"rspec"})) {
    $rspecstr  = $xmlparse->{'attribute'}->{"rspec"}->{'value'};
303
}
304 305
else {
    $rspecstr  = $profile->CheckFirewall(!$localuser);
306 307
}

308
#
309
# Sanity check sites
310
#
311 312 313 314 315 316 317 318 319 320 321 322
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.");
	    }
	}
323
    }
324
}
325 326 327 328 329 330 331 332 333 334

#
# Update rspec with site aggregate urns.
#
# SetSites will tell us if we must use stitcher.
#
my $needstitcher = 0;
    
if (APT_Profile::SetSites(\$rspecstr, $sitemap, $default_aggregate_urn,
			  \@aggregate_urns, \$needstitcher, \$errmsg)) {
335
    fatal($errmsg);
336
}
337 338
# but do not override command line force.
$usestitcher = 1 if ($needstitcher);
339

340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361
#
# 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);
}

362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382
#
# 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");
	}
	$sshkey = <KEYGEN>;
	if (!close(KEYGEN)) {
	    UserError("Could not parse ssh key!");
	}
    }
383 384
    close($fh);
    unlink($keyfile);
385
}
386 387
chomp($sshkey)
    if (defined($sshkey));
388 389 390 391 392 393

#
# 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).
#
394 395 396 397 398 399 400
# 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) {
401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420
    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);
    }
421 422 423 424
}
else {
    $geniuser = GeniUser->Lookup($user_urn);

425 426 427
    #
    # In Utah, check for alternate SA
    #
428
    if (!defined($geniuser) && $MAINSITE) {
429 430
	$user_urn = GeniHRN::Generate("aptlab.net", "user", $user_uid);
	$user_hrn = "aptlab.${user_uid}";
431
	$geniuser = GeniUser->Lookup($user_urn, 0);
432 433
    }
}
434
if (!defined($geniuser)) {
435 436 437
    if ($localuser) {
	fatal("Could not lookup local user $user_urn");
    }
438
    
439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455
    #
    # 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");
    }
456 457 458 459 460 461 462 463
    my $blob = {"urn"      => $user_urn,
		"hrn"      => $user_hrn,
		"email"    => $user_email,
		"showuuid" => 1};
    if ($MAINSITE) {
	$blob->{'useaptca'} = 1;
    }
    my $certificate = GeniCertificate->Create($blob);
464 465 466 467 468 469 470 471 472 473
    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
474
    # Setup browser ssh.
475
    #
476 477 478
    system("$SSHSETUP " . $geniuser->uuid());
    fatal("Could not create ssh key pair")
	if ($?);
479 480 481 482
}
my $user_uuid = $geniuser->uuid();
# So we know this user has dome something lately.
$geniuser->BumpActivity();
483

484 485 486
if ($localuser) {
    my $emulab_user = $geniuser->emulab_user();
    if ($emulab_user->IsNonLocal()) {
487 488
	#
	# A user created from a Geni certificate via geni-login. We
489 490
	# asked for the current ssh keys from the MA when they logged
	# in, but we ask again to make sure have the latest keys.
491
	#
492
	system("$UPDATEGENIUSER -s " . $emulab_user->uid());
493
	if (0) {
494 495
	    fatal("Could not update ssh keys for nonlocal user");
	}
496 497 498 499 500 501
	#
	# Check project membership, must be a member of at least one
	# valid project at the GPO portal.
	#
	system("$UPDATEGENIUSER -p " . $emulab_user->uid());
	if ($?) {
502 503 504
	    UserError("Could not get your project membership from your ".
		      "member authority. It is probably offline, please try ".
		      "again later.");
505 506
	}
	
507 508
	# Nonlocal users get the holding project.
	$pid = "CloudLab";
509
    }
510
    elsif (defined($sshkey) && !$emulab_user->LookupSSHKey($sshkey)) {
511 512 513 514 515 516
	#
	# 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.
	#
	
517
	#
518 519 520 521
	# 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
522 523 524 525 526
	# 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.
527
	#
528 529 530
	my ($fh, $keyfile) = tempfile(UNLINK => 0);
	print $fh $sshkey;

531
	if (system("$ADDPUBKEY -a -u $user_uid -f $keyfile")) {
532 533 534 535 536
	    fatal("Could not add new ssh pubkey");
	}
	close($fh);
	unlink($keyfile);
    }
537 538 539 540 541 542 543 544 545 546 547 548 549 550
    #
    # Hmm, users with real accounts who never used Geni, but now want
    # to use APT/Cloud, have no encrypted SSL certificate. Rather then
    # force them through the web ui (and have to explain it), create one
    # for them using a random passphrase. The user will not know the
    # passphrase, but for most users it will not matter.
    #
    # This is also going to catch expired certificates, we will regenerate
    # them using the existing passphrase.
    #
    if ($emulab_user->HasValidEncryptedCert() == 0 &&
	$emulab_user->GenEncryptedCert()) {
	fatal("Could not (re)generate encrypted certificate");
    }
551 552 553 554 555 556 557 558 559 560

    # 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
561 562
	fatal("No permission to create experiments in project ".
	      $project->pid());
563 564
    }
    $pid = $project->pid();
565 566 567 568 569 570

    # 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, $project));
571 572 573 574 575
}
elsif (!$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
576
	# interface. We allow key reuse for existing users, see above.
577 578 579 580 581 582
	#
	$geniuser->DeleteKeys();
	$geniuser->AddKey($sshkey);
    }
    # Guest users get a holding project.
    $pid = "aptguests";
583 584 585 586
    $project = Project->Lookup($pid);
    if (!defined($project)) {
	fatal("Project $pid does not exist");
    }
587
}
588 589 590
#
# Now we know where to send to logs.
#
591 592
if (!$debug) {
    AddAuditInfo("cc", $project->LogsEmailAddress());
Leigh B Stoller's avatar
Leigh B Stoller committed
593 594 595 596
    if ($MAINSITE && $project->isEmulab()) {
	# Mostly people use the Cloudlab UI.
	AddAuditInfo("cc", "cloudlab-logs\@cloudlab.us");
    }
597
}
598

Leigh B Stoller's avatar
Leigh B Stoller committed
599
# There will be "internal" keys cause we pass the flag asking for them.
600
my @sshkeys;
Leigh B Stoller's avatar
Leigh B Stoller committed
601
if ($geniuser->GetKeyBundle(\@sshkeys, 1) < 0 || !@sshkeys) {
602 603 604
    fatal("No ssh keys to use for $geniuser!");
}

605 606 607
# Generate the extra credentials that tells the backend this experiment
# can access the datasets.
my @dataset_credentials = ();
608 609 610 611 612 613 614
if (defined($profile)) {
    my $retval = CreateDatasetCreds($rspecstr,
				    $profile->pid(), $geniuser, 
				    \$errmsg, \@dataset_credentials);
    if ($retval) {
	($retval < 0 ? fatal($errmsg) : UserError($errmsg));
    }
615 616
}

617
#
618 619 620
#
# Now generate a slice registration and credential
#
621
my $safe_uid    = $user_uid; $safe_uid =~ s/_/-/;
622 623 624
if (! defined($slice_id)) {
    $slice_id   = $safe_uid . "-QV" . TBGetUniqueIndex('next_quickvm', 1);
}
625
my $slice_urn   = GeniHRN::Generate("${OURDOMAIN}:${pid}", "slice", $slice_id);
626
my $slice_hrn   = "${PGENIDOMAIN}.${pid}.${slice_id}";
627
my $SERVER_NAME = (exists($ENV{"SERVER_NAME"}) ? $ENV{"SERVER_NAME"} : "");
628 629 630 631 632

#
# Make sure slice is unique. Probably retry here at some point. 
#
if (GeniSlice->Lookup($slice_hrn) || GeniSlice->Lookup($slice_urn)) {
633 634 635
    fatal(defined($slice_id) ?
	  "Slice name already in use, please use another" :
	  "Could not form a unique slice name");
636 637 638 639 640 641 642 643 644 645 646 647 648 649 650
}
	    
#
# 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.
651 652
$slice = GeniSlice->Create($slice_certificate,
			   $geniuser, $sa_authority, undef, 1);
653 654 655 656
if (!defined($slice)) {
    $slice_certificate->Delete();
    fatal("Could not create new slice object for $slice_urn");
}
657 658
# These get quick expirations, unless it is a real user.
if ($slice->SetExpiration(time() + (($localuser ? 16 : 3) * 3600)) != 0) {
659 660 661 662
    fatal("Could not set the slice expiration for $slice_urn");
}
my $slice_uuid = $slice->uuid();

663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689
#
# 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));

690
#
691
# Generate credentials we need.
692
#
693
my ($slice_credential, $speaksfor_credential) =
694
    APT_Geni::GenCredentials($slice, $geniuser);
695 696 697
if (! (defined($speaksfor_credential) &&
       defined($slice_credential))) {
    fatal("Could not generate credentials");
698 699
}

700
#
701
# Got this far, lets create a quickvm record.
702
#
703
my $quickvm_uuid = (defined($quickuuid) ? $quickuuid : NewUUID());
704 705 706
if (!defined($quickvm_uuid)) {
    fatal("Could not generate a new uuid");
}
707
my $blob = {'uuid'         => $quickvm_uuid,
708
	    'name'         => $slice_id,
709 710 711 712 713 714 715
	    'profile_id'   => $profileid,
	    'profile_version' => $version,
	    'slice_uuid'   => $slice_uuid,
	    'creator'      => $geniuser->uid(),
	    'creator_idx'  => $geniuser->idx(),
	    'creator_uuid' => $geniuser->uuid(),
	    'status'       => "created",
716 717
	    'servername'   => $SERVER_NAME,
	    'rspec'        => $rspecstr,
718
	    'cert'         => $alt_certificate->cert(),
719
	    'privkey'      => $alt_certificate->PrivKeyDelimited(),
720 721 722 723 724
};
if (defined($project)) {
    $blob->{"pid"}     = $project->pid();
    $blob->{"pid_idx"} = $project->pid_idx();
}
725
$errmsg = undef;
726
$instance = APT_Instance->Create($blob, \$errmsg);
Leigh B Stoller's avatar
Leigh B Stoller committed
727
if (!defined($instance)) {
728 729
    fatal(defined($errmsg) ? $errmsg :
	  "Could not create instance record for $quickvm_uuid");
730
}
731 732 733 734 735 736 737 738
# To keep stuff happy until multisite support finished.
if (keys(%{$sitemap})) {
    my ($temp_aggregate_urn) = values(%{$sitemap});
    $instance->Update({'aggregate_urn' => $temp_aggregate_urn});
}
else {
    $instance->Update({'aggregate_urn' => $default_aggregate_urn});
}
739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757

# 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);
}

758 759
#
# Create a webtask so that we can store additional information about
760
# the sliver while we wait.
761 762
#
$webtask = WebTask->Create($instance->uuid());
763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779
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";
780 781 782 783 784

#
# Exit and let caller poll for status.
#
if (!$debug) {
785
    libaudit::AuditPrefork();
786 787 788 789 790 791 792 793
    my $child = fork();
    if ($child) {
	# Parent exits but avoid libaudit email.
	exit(0);
    }
    # All of the logging magic happens in here.
    libaudit::AuditFork();
}
794
# Bind the process id.
795 796
$webtask->SetProcessID($PID);

797 798 799
if ($usestitcher) {
    my $rval = RunStitcher();
    if ($rval) {
800 801 802
	$slice->UnLock();
	$instance->SetStatus("failed");
	$webtask->Exited(1);
803
	exit($rval);
804
    }
805
}
806 807 808 809 810
else {
    my $rval = CreateSlivers();
    exit($rval)
	if ($rval);
}
Leigh B Stoller's avatar
Leigh B Stoller committed
811
$instance->SetStatus("provisioned");
812
$instance->ComputeNodeCounts();
813 814

#
815 816 817
# Now wait for the sliver to be ready, which means polling.
#
# Shorten default timeout.
818
#
819
Genixmlrpc->SetTimeout(60);
820

821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844
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;
845
    
846
	my $response = $aggobj->SliceStatus();
847 848 849 850 851 852 853
	if (!defined($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 ": " . $response->output();
854 855 856 857 858 859 860 861
		if ($response->output() =~ /read timeout/) {
		    $webtask->output("Lost contact with the aggregate. " .
				     "Possibly a network failure, ".
				     "please try again later.");
		}
		else {
		    $webtask->output($response->output());
		}
862
	    }
863 864 865
	    print STDERR "\n";
	    $failed = 1;
	    last;
866
	}
867 868 869
	next
	    if ($response->code() == GENIRESPONSE_BUSY ||
		$response->code() == GENIRESPONSE_SERVER_UNAVAILABLE);
870

871 872 873 874 875 876
	$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.
	#
877
	my $statusblob = {};
878 879
	foreach my $urn (keys(%{$repblob->{'details'}})) {
	    my $details = $repblob->{'details'}->{$urn};
880 881 882
	    my $node_id = $details->{'client_id'};
	    $statusblob->{$node_id} = $details;
	}
883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898
	$webtask->sliverstatus($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 $urn failed");
	    last;
	}
899
    }
900 901 902 903 904 905 906 907 908
    if ($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");
	}
	$webtask->Exited(1);
	return 1;
909
    }
910 911 912 913 914 915 916 917
    $aggobj->SetStatus("ready");
    $webtask->Exited(0);
    return 0;
}

#
# Okay, fire off the waits for each aggregate
#
918
my @return_codes = ();
919 920 921 922 923 924 925
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();
926 927
    print STDERR "Internal error in WaitForSlivers\n";
    $webtask->output("Internal error in WaitForSlivers");
928 929 930 931
    $instance->SetStatus("failed");
    $webtask->Exited(1);
    exit(-1);
}
932
print "$slice_urn\n";
933 934 935 936 937 938 939 940 941 942

#
# 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();
943 944 945 946 947 948 949 950 951 952 953 954 955
    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 " .
			     $aggobj->aggregate_urn());
	}
    }
956 957
    if (defined($aggobj->public_url())) {
	print $aggobj->public_url() . "\n";
958
    }
959 960
    print "\n" . $aggobj->manifest() . "\n\n";
    print "------------------------------------------------------------\n\n";
961
}
962
$slice->UnLock();
963

964
if ($failed) {
Leigh B Stoller's avatar
Leigh B Stoller committed
965
    $instance->SetStatus("failed");
966
    $webtask->Exited(1);
967 968 969
}
else {
    $instance->SetStatus("ready");
970
    $webtask->Exited(0);
971
}
972 973
exit(0);

974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990
#
# 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()) {
991 992
	    my $dataset_id = GeniXML::GetText("persistent", $blockref);
	    if (!defined($dataset_id)) {
993
		# persistent is deprecated.
994
		$dataset_id = GeniXML::GetText("dataset", $blockref);
995
	    }
996 997 998 999 1000 1001

	    #
	    # We only care about datasets here, we let the backend
	    # do the error checking on ephemeral blockstores.
	    #
	    next
1002 1003 1004 1005 1006 1007 1008 1009 1010 1011
		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");
1012
	    
1013
	    my ($authority, $type, $id) = GeniHRN::Parse($dataset_id);
1014 1015 1016 1017 1018 1019 1020 1021 1022 1023
	    #
	    # 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)) {
1024
		$dataset = APT_Dataset->LookupByRemoteURN($dataset_id);
1025 1026 1027 1028
		if (!defined($dataset)) {
		    $$pmsg = "Persistent dataset '$pid/$id' does not exist";
		    return 1;
		}
1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048
	    }
	    my $certificate = $dataset->GetCertificate();
	    if (!defined($certificate)) {
		$$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;
}

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 1076 1077 1078 1079 1080 1081 1082 1083 1084
#
# 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' => $user_uid,
					   'keys'  => \@sshkeys }],
1085
				     "credentials" =>
1086 1087 1088
					 [$slice_credential->asString(),
					  $speaksfor_credential->asString(),
					  @dataset_credentials
1089
					 ],
1090
				     "certificate" => $alt_certificate->cert(),
1091 1092
				     "key"         =>
				        $alt_certificate->PrivKeyDelimited(),
1093
				     "usetracker"  => $usetracker,
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 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171

	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()));
1172
	    $webtask->Exited($code);
1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184
	    return 1;
	}
    }
    return 0;
}

#
# Run the stitcher to allocate resources. We use this whenever we have
# links that cross aggregates
#
sub RunStitcher()
{
1185
    my $tmpdir        = mktemp("/tmp/stitcher.XXXXXX");
1186 1187
    my $slicecredfile = "$tmpdir/slicecred.xml";
    my $speaksforfile = "$tmpdir/speaksforcred.xml";
1188
    my $al2scredfile  = "$tmpdir/al2scred.xml";
1189
    my $rspecfile     = "$tmpdir/rspec.xml";
1190 1191
    my $stdoutfile    = "$tmpdir/stitcher.stdout";
    my $stderrfile    = "$tmpdir/stitcher.stderr";
1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203
    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 ".
1204
	"--al2scredfile $al2scredfile --debug ".
Leigh B Stoller's avatar
Leigh B Stoller committed
1205 1206 1207
	# We do not want these two files defaulting to user home dir.
	"--GetVersionCacheName=$tmpdir/get_version_cache.json ".
	"--AggNickCacheName=$tmpdir/agg_nick_cache ".
1208 1209 1210 1211 1212 1213 1214
	"--scsURL https://nutshell.maxgigapop.net:8443/geni/xmlrpc  ".
	"--speaksfor $user_urn -V3 allocate $slice_urn $rspecfile";

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

    print "Using $tmpdir for stitcher\n"
1215
	if ($debug || $verbose);
1216
    print "Stitcher command: $command\n"
1217
	if ($debug || $verbose);
1218 1219 1220 1221 1222

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

    goto bad
Leigh B Stoller's avatar
Leigh B Stoller committed
1223 1224 1225 1226
	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 ".