GeniCMV2.pm.in 143 KB
Newer Older
1 2
#!/usr/bin/perl -wT
#
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
# 
# {{{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.
# 
# }}}
29 30 31 32 33 34 35 36 37 38 39
#
package GeniCMV2;

#
# The server side of the CM interface on remote sites. Also communicates
# with the GMC interface at Geni Central as a client.
#
use strict;
use Exporter;
use vars qw(@ISA @EXPORT);

40 41
@ISA    = qw(Exporter);
@EXPORT = qw();
42 43 44 45 46 47 48

# Must come after package declaration!
use GeniDB;
use GeniResponse;
use GeniTicket;
use GeniCredential;
use GeniCertificate;
49
use GeniComponent;
50 51 52 53
use GeniSlice;
use GeniAggregate;
use GeniSliver;
use GeniUtil;
54
use GeniCM;
55
use GeniHRN;
56
use GeniXML;
57
use GeniStitch;
58
use GeniStd;
59
use emutil;
60
use libEmulab;
61
use English;
62
use libtestbed;
63 64 65 66 67 68
use Data::Dumper;
use XML::Simple;
use Date::Parse;
use POSIX qw(strftime tmpnam);
use Time::Local;
use Compress::Zlib;
69
use File::Temp qw(tempfile);
70
use MIME::Base64;
71
use Errno;
72
use List::Util qw(shuffle);
73 74 75 76 77 78 79 80 81

# Configure variables
my $TB		   = "@prefix@";
my $TBOPS          = "@TBOPSEMAIL@";
my $TBAPPROVAL     = "@TBAPPROVALEMAIL@";
my $TBAUDIT   	   = "@TBAUDITEMAIL@";
my $BOSSNODE       = "@BOSSNODE@";
my $OURDOMAIN      = "@OURDOMAIN@";
my $PGENIDOMAIN    = "@PROTOGENI_DOMAIN@";
82
my $ELABINELAB     = "@ELABINELAB@";
83
my $TBBASE         = "@TBBASE@";
84
my $TBDOCBASE      = "@TBDOCBASE@";
85 86 87 88
my $CREATEEXPT     = "$TB/bin/batchexp";
my $ENDEXPT        = "$TB/bin/endexp";
my $NALLOC	   = "$TB/bin/nalloc";
my $NFREE	   = "$TB/bin/nfree";
89
my $TEVC	   = "$TB/bin/tevc";
90 91 92 93 94 95 96 97 98 99 100 101
my $AVAIL	   = "$TB/sbin/avail";
my $PTOPGEN	   = "$TB/libexec/ptopgen";
my $TBSWAP	   = "$TB/bin/tbswap";
my $SWAPEXP	   = "$TB/bin/swapexp";
my $PLABSLICE	   = "$TB/sbin/plabslicewrapper";
my $NAMEDSETUP     = "$TB/sbin/named_setup";
my $VNODESETUP     = "$TB/sbin/vnode_setup";
my $GENTOPOFILE    = "$TB/libexec/gentopofile";
my $TARFILES_SETUP = "$TB/bin/tarfiles_setup";
my $MAPPER         = "$TB/bin/mapper";
my $VTOPGEN        = "$TB/bin/vtopgen";
my $SNMPIT         = "$TB/bin/snmpit";
102 103
my $CLONEIMAGE     = "$TB/sbin/clone_image";
my $CREATEIMAGE    = "$TB/bin/create_image";
104
my $DELETEIMAGE    = "$TB/sbin/delete_image";
105 106
my $WAP            = "$TB/sbin/withadminprivs";
my $SHAREVLAN      = "$TB/sbin/sharevlan";
107
my $XMLLINT	   = "/usr/local/bin/xmllint";
108
my $PRERENDER      = "$TB/libexec/vis/prerender";
109 110
my $IMPORTER       = "$TB/sbin/image_import";
my $POSTIMAGEDATA  = "$TB/sbin/protogeni/postimagedata";
111
my $EMULAB_PEMFILE = "@prefix@/etc/genicm.pem";
112 113
# Just one of these, at Utah.
my $GENICH_PEMFILE = "@prefix@/etc/genich.pem";
114
my $WITHPROVENANCE = @IMAGEPROVENANCE@;
115
my $PROTOGENI_LOCALUSER = @PROTOGENI_LOCALUSER@;
116
my $API_VERSION    = 2;
117 118 119 120 121 122 123 124

#
# Tell the client what API revision we support.  The correspondence
# between revision numbers and API features is to be specified elsewhere.
# No credentials are required.
#
sub GetVersion()
{
125 126
    my @input_rspec_versions = ( "0.1", "0.2", "2", "3", "PG 0.1", "PG 0.2", "PG 2" );
    my @ad_rspec_versions = ( "0.1", "0.2", "2", "3", "PG 0.1", "PG 0.2", "PG 2" );
Gary Wong's avatar
Gary Wong committed
127 128 129
    my $blob = {
	"api" => $API_VERSION,
	"level" => 1,
130
	"input_rspec" => \@input_rspec_versions,
131
	"output_rspec" => "2",
132
	"ad_rspec" => \@ad_rspec_versions
Gary Wong's avatar
Gary Wong committed
133
    };
134
    return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
135 136 137 138 139 140 141 142
}

#
# Respond to a Resolve request. 
#
sub Resolve($)
{
    my ($argref) = @_;
143 144
    my $credentials = $argref->{'credentials'};
    my $urn         = $argref->{'urn'};
145
    my $admin       = 0;
146
    my $isauth	    = 0;
147

148 149 150 151 152 153
    if (! (defined($credentials) && defined($urn))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    if (! GeniHRN::IsValid($urn)) {
	return GeniResponse->MalformedArgsResponse("Invalid URN");
    }
154
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
155 156 157
    return $credential
	if (GeniResponse::IsResponse($credential));

158 159 160
    my ($object, $type) = LookupURN($urn);
    return $object
	if (GeniResponse::IsResponse($object));
161 162 163 164

    #
    # This is a convenience for testing. If a local user and that
    # user is an admin person, then do whatever it says. This is
165 166
    # easier then trying to do this with credential privs. But,
    # watch for credentials from authorities instead of users.
167
    #
168 169
    my (undef,$callertype,$callerid) = GeniHRN::Parse($credential->owner_urn());
    if ($callertype eq "user") {
170
	my $user = GeniCM::CreateUserFromCertificate($credential);
171 172
	if (!GeniResponse::IsResponse($user) &&
	    $user->IsLocal() && $user->admin()) {
173 174 175
	    $admin = 1;
	}
    }
176 177
    elsif ($callertype eq "authority" &&
	   ($callerid eq "cm" || $callerid eq "sa")) {
178
	$isauth = 1;
179
    }
180 181
    
    if ($type eq "node") {
182
	my $node  = $object;
183 184 185 186 187
	# Not sure about this, but I do know that Resolving a virtnode
	# is not useful right now. 
	if ($node->isvirtnode()) {
	    $node = Node->Lookup($node->phys_nodeid());
	}
188
	my $rspec = GeniCM::GetAdvertisement(0, $node->node_id(), "0.1", undef);
189
	if (! defined($rspec)) {
190
	    print STDERR "Could not get advertisement for $node!\n";
191
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
192
					"Error getting advertisement");
193
	}
194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229
	my $me = GeniAuthority->Lookup($ENV{'MYURN'});
	if (!defined($me)) {
	    print STDERR
		"Could not find local authority object for $ENV{'MYURN'}\n";
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					"Error getting advertisement");
	}
	my $myurn = GeniHRN::Generate($OURDOMAIN, "node", $node->node_id());
	my $myhrn = "${PGENIDOMAIN}." . $node->node_id();

	#
	# See if the component object exists; if not create it.
	#
	my $component = GeniComponent->Lookup($node->uuid());
	if (!defined($component)) {
	    my $certificate = GeniCertificate->Lookup($node->uuid());
	    if (!defined($certificate)) {
		$certificate =
		    GeniCertificate->Create({'urn'  => $myurn,
					     'hrn'  => $myhrn,
					     'email'=> $TBOPS,
					     'uuid' => $node->uuid(),
					     'url'  => $me->url()});
		if (!defined($certificate)) {
		    print STDERR "Could not generate certificate for $node\n";
		    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					    "Error getting advertisement");
		}
	    }
	    $component = GeniComponent->Create($certificate, $me);
	    if (!defined($component)) {
		print STDERR "Could not create component for $node\n";
		return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					    "Error getting advertisement");
	    }
	}
230
	# Return a blob.
231
	my $blob = { "hrn"          => $myhrn,
232 233
		     "uuid"         => $node->uuid(),
		     "role"	    => $node->role(),
234 235
		     "hostname"     =>
			 GeniUtil::FindHostname($node->node_id()),
236 237
		     "physctrl"     => 
			 Interface->LookupControl($node->phys_nodeid())->IP(),
238 239 240 241
		     "urn"          => $myurn,
		     "rspec"        => $rspec,
		     "url"          => $me->url(),
		     "gid"          => $component->cert(),
242 243 244 245
		   };

	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
246
    if ($type eq "slice") {
247 248
	my $slice = $object;

Leigh B. Stoller's avatar
Leigh B. Stoller committed
249 250 251 252
	#
	# In this implementation, the caller must hold a valid slice
	# credential for the slice being looked up. 
	#
253 254
	if (! ($isauth || $admin ||
	       $slice->urn() eq $credential->target_urn())) {
255 256
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"No permission to resolve $slice\n");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
257 258 259 260 261 262
	}
	# Return a blob.
	my $blob = { "urn"          => $urn };

	my $aggregate = GeniAggregate->SliceAggregate($slice);
	if (defined($aggregate)) {
263
	    $blob->{'sliver_urn'} = $aggregate->urn();
264 265 266 267
	    my $manifest = $aggregate->GetManifest(1);
	    if (defined($manifest)) {
		$blob->{'manifest'}   = $manifest;
	    }
268 269 270 271 272 273 274 275 276 277 278
	    # For key bindings.
	    my $slice_experiment = $slice->GetExperiment();
	    if (!defined($slice_experiment)) {
		print STDERR "*** No Experiment for $slice\n";
	    }
	    else {
		my $bindings;
		if ($slice_experiment->NonLocalUsers(\$bindings)) {
		    print STDERR "*** No bindings for $slice_experiment\n";
		}
		elsif (@{ $bindings }) {
279
		    $blob->{'users'} = $bindings;
280 281
		}
	    }
282 283 284
	    $blob->{'public_url'} =
		"$TBDOCBASE/showslicepub.php?publicid=" . $slice->publicid()
		if (defined($slice->publicid()));
Leigh B. Stoller's avatar
Leigh B. Stoller committed
285 286 287
	}
	my $ticket = GeniTicket->SliceTicket($slice);
	if (defined($ticket)) {
288
	    $blob->{'ticket_urn'} = $ticket->urn();
Leigh B. Stoller's avatar
Leigh B. Stoller committed
289 290 291 292
	}
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
    if ($type eq "sliver") {
293
	my $sliver = $object;
294 295 296
	my $slice  = $sliver->GetSlice();
	return GeniResponse->Create(GENIRESPONSE_ERROR)
	    if (!defined($slice));
297

Leigh B. Stoller's avatar
Leigh B. Stoller committed
298 299 300 301
	#
	# In this implementation, the caller must hold a valid slice
	# or sliver credential for the slice being looked up. 
	#
302
	if (! ($admin || $isauth ||
303
	       $sliver->urn() eq $credential->target_urn() ||
304 305 306 307 308
	       $slice->urn() eq $credential->target_urn())) {
	    print STDERR $sliver->urn() . "\n";
	    print STDERR $slice->urn() . "\n";
	    print STDERR $credential->target_urn() . "\n";
	    print STDERR $ENV{'MYURN'} . "\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
309 310
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN);
	}
311 312
	my $manifest = $sliver->GetManifest(1);
	if (!defined($manifest)) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
313 314 315 316 317 318
	    return GeniResponse->Create(GENIRESPONSE_ERROR);
	}
	# Return a blob.
	my $blob = { "urn"          => $urn,
		     "manifest"     => $manifest,
		 };
319 320 321 322
	$blob->{'public_url'} =
	    "$TBDOCBASE/showslicepub.php?publicid=" . $slice->publicid()
	    if (defined($slice->publicid()));
	
323 324 325 326 327 328 329 330 331 332 333
	# For key bindings.
	my $slice_experiment = $slice->GetExperiment();
	if (!defined($slice_experiment)) {
	    print STDERR "*** No Experiment for $slice\n";
	}
	else {
	    my $bindings;
	    if ($slice_experiment->NonLocalUsers(\$bindings)) {
		print STDERR "*** No bindings for $slice_experiment\n";
	    }
	    elsif (@{ $bindings }) {
334
		$blob->{'users'} = $bindings;
335 336
	    }
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
337 338 339
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
    if ($type eq "ticket") {
340 341
	my $ticket = $object;

Leigh B. Stoller's avatar
Leigh B. Stoller committed
342 343 344 345
	#
	# In this implementation, the caller must hold a valid slice
	# or sliver credential to get the ticket.
	#
346
	my $slice = GeniSlice->Lookup($ticket->slice_urn());
Leigh B. Stoller's avatar
Leigh B. Stoller committed
347 348 349 350
	if (!defined($slice)) {
	    print STDERR "Could not find slice for $ticket\n";
	    return GeniResponse->Create(GENIRESPONSE_ERROR);
	}
351
	if (! ($admin || $slice->urn() eq $credential->target_urn())) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
352 353 354 355 356
	    #
	    # See if its the sliver credential. 
	    #
	    my $aggregate = GeniAggregate->SliceAggregate($slice);
	    if (!defined($aggregate) ||
357
		$aggregate->urn() ne $credential->target_urn()) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
358 359 360 361 362
		return GeniResponse->Create(GENIRESPONSE_FORBIDDEN());
	    }
	}
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $ticket->asString());
    }
363 364
    return GeniResponse->Create(GENIRESPONSE_UNSUPPORTED, undef,
				"Cannot resolve $type at this authority");
365 366 367 368 369 370 371 372
}

#
# Discover resources on this component, returning a resource availablity spec
#
sub DiscoverResources($)
{
    my ($argref) = @_;
373 374 375
    my $credentials = $argref->{'credentials'};
    my $available   = $argref->{'available'} || 0;
    my $compress    = $argref->{'compress'} || 0;
376
    my $version     = $argref->{'rspec_version'} || undef;
377 378 379 380

    if (! (defined($credentials))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
381 382 383 384
    my ($credential,$speaksfor,@morecreds) =
	GeniStd::CheckCredentials($credentials);
    return GeniResponse->MalformedArgsResponse("Missing arguments")
	if (!defined($credential));
385 386
    return $credential
	if (GeniResponse::IsResponse($credential));
387

388
    return GeniCM::DiscoverResourcesAux($available, $compress,
389
        $version, [$credential, @morecreds]);
390 391 392 393 394 395 396 397
}

#
# Create a Sliver.
#
sub CreateSliver($)
{
    my ($argref) = @_;
398 399 400 401 402
    my $slice_urn    = $argref->{'slice_urn'};
    my $rspecstr     = $argref->{'rspec'};
    my $credentials  = $argref->{'credentials'};
    my $keys         = $argref->{'keys'};
    my $impotent     = $argref->{'impotent'} || 0;
403
    my $usetracker   = $argref->{'usetracker'} || 0;
404 405
    require Node;
    require Experiment;
406 407
    require libtestbed;
    require libaudit;
408

409
    # For now, I am not worrying about the slice_urn argument.
410 411
    if (! (defined($credentials) &&
	   defined($slice_urn) && defined($rspecstr))) {
412 413
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
414 415 416 417 418 419
    if (! ($rspecstr =~ /^[\040-\176\012\015\011]+$/)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in rspec");
    }
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
420 421
    my ($credential,$speaksfor,@morecreds) =
	GeniStd::CheckCredentials($credentials);
422 423
    return $credential
	if (GeniResponse::IsResponse($credential));
424

425 426
    main::AddLogfileMetaData("slice_urn", $slice_urn);
    
427 428 429 430 431 432 433
    #
    # In this implementation, the user must provide a slice credential,
    # so we ignore the slice_urn. For CreateSliver(), the slice must not
    # be instantiated.
    #
    my ($slice,$aggregate) = Credential2SliceAggregate($credential);
    if (defined($slice)) {
434 435 436
	return $slice
	    if (GeniResponse::IsResponse($slice));

437 438 439 440
	if ($slice_urn ne $slice->urn()) {
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"Credential does not match the URN");
	}
441
	main::AddLogfileMetaDataFromSlice($slice);
442
	
443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458
	#
	# Watch for a placeholder slice and update it.
	#
	if ($slice->isplaceholder()) {
	    if ($slice->Lock() != 0) {
		return GeniResponse->BusyResponse();
	    }
	    #
	    # Confirm that the slice certificate is the same.
	    #
	    if ($slice->cert() ne $credential->target_cert()->cert()) {
		$slice->UnLock();
		return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
					    "Slice certificate mismatch");
	    }
	    my $user =
459
		GeniCM::CreateUserFromCertificate($credential);
460
	    if (GeniResponse::IsResponse($user)) {	    
461
		$slice->UnLock();
462
		return $user;
463 464 465 466 467 468 469 470
	    }
	    if ($slice->ConvertPlaceholder($user) != 0) {
		$slice->UnLock();
		return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					    "Could not convert placeholder");
	    }
	    $slice->UnLock();
	}
471 472 473 474 475
	if (defined($aggregate)) {
	    return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					"Must delete existing slice first");
	}
    }
476
    my $rspec = GeniCM::GetTicketAux($credential, $rspecstr,
477
				     0, $impotent, 1, 0, $usetracker,
478
				     undef, $speaksfor, @morecreds);
479 480 481
    return $rspec
	if (GeniResponse::IsResponse($rspec));

Leigh B Stoller's avatar
Leigh B Stoller committed
482
    $slice = GeniSlice->Lookup($credential->target_urn());
483 484 485 486
    if (!defined($slice)) {
	print STDERR "CreateSliver: Could not find slice for $credential\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,"Internal Error");
    }
487
    main::AddLogfileMetaDataFromSlice($slice);
488

489 490 491 492 493 494 495 496 497 498 499 500
    #
    # If we got a cert/key, record them for the slice. This is a
    # generic openssl key/cert that is stored on the nodes (and from
    # which an ssh key pair can be derived).
    #
    if (exists($argref->{'certificate'}) || exists($argref->{'key'})) {
	$slice->AddGenericCert((exists($argref->{'certificate'}) ?
				$argref->{'certificate'} : undef),
			       (exists($argref->{'key'}) ?
				$argref->{'key'} : undef));
    }

501 502 503 504
    # Make sure that the next phase sees all changes.
    Experiment->FlushAll();
    Node->FlushAll();

505 506
    my $response = GeniCM::SliverWorkAux($credential, $rspec,
					 $keys, 0, $impotent, 1, 0, $speaksfor);
507

508 509 510 511 512 513 514
    if (GeniResponse::IsError($response)) {
	#
	# We have to make sure there is nothing left over since there
	# is no actual ticket, so the resources will not get cleaned
	# up by the daemon. This is mostly cause I am reaching into
	# the V1 code, and its messy.
	#
515
	$slice = GeniSlice->Lookup($credential->target_urn());
516
	if (defined($slice)) {
517 518 519 520 521
	    if ($slice->Lock() != 0) {
		print STDERR
		    "CreateSliver: Could not lock $slice before delete\n";
		return $response;
	    }
522 523
	    GeniCM::CleanupDeadSlice($slice, 1);
	}
524
	return $response;
525
    }
526
    my ($sliver_credential) = @{ $response->{'value'} };
527

528 529 530
    #
    # Leave the slice intact on error, so we can go look at it. 
    #
531
    if ($slice->WaitForLock(30) != 0) {
532 533 534 535
	print STDERR "CreateSliver: Could not lock $slice before start\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Internal Error");
    }
536
    $aggregate = GeniAggregate->SliceAggregate($slice);
537 538 539 540 541
    if (!defined($aggregate)) {
	print STDERR "CreateSliver: Could not find aggregate for $slice\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Internal Error");
    }
542 543 544
    # We get the manifest from the aggregate object, so that the
    # expiration goes in.
    my $sliver_manifest = $aggregate->GetManifest(1);
545

546 547
    #
    # At this point we want to return and let the startsliver proceed
548
    # in the background. Parent never returns, just the child.
549
    #
550
    my $mypid = main::WrapperFork();
551 552 553 554
    if ($mypid) {
	return GeniResponse->Create(GENIRESPONSE_SUCCESS,
				    [$sliver_credential, $sliver_manifest]);
    }
555

556 557 558 559
    # Make sure that the next phase sees all changes.
    Experiment->FlushAll();
    Node->FlushAll();

560 561 562 563 564 565 566
    #
    # The callee might also do a wrapper fork, so remember our PID
    # to make sure we unlock properly in only the parent side of the
    # fork. Child runs with slice unlocked for now. 
    #
    $mypid = $PID;
    
567
    if ($aggregate->Start($API_VERSION) != 0) {
568 569 570 571 572 573 574
	if ($PID == $mypid) {
	    $slice->UnLock();
	    print STDERR "Could not start sliver.\n";
	}
	else {
	    print STDERR "Error waiting for nodes.\n";
	}
575
	return -1;
576
    }
577 578 579
    if ($PID == $mypid) {
	$slice->UnLock();
    }
580
    return 0;
581 582 583 584 585 586
}

#
# Delete a Sliver.
#
sub DeleteSliver($)
587 588 589 590 591 592 593 594 595 596 597 598
{
    my ($argref) = @_;
    my $sliver_urn   = $argref->{'sliver_urn'};
    my $credentials  = $argref->{'credentials'};
    my $impotent     = $argref->{'impotent'} || 0;

    if (! (defined($credentials) && defined($sliver_urn))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    if (! GeniHRN::IsValid($sliver_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
599
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
600 601 602 603 604 605 606 607
    return $credential
	if (GeniResponse::IsResponse($credential));

    #
    # In this implementation, the user must provide a slice or sliver
    # credential
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
608 609 610
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));
    
611 612 613 614 615 616 617 618 619
    if (! (defined($slice) && defined($aggregate))) {
	return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED, undef,
				    "Sliver does not exist");
    }
    if ($sliver_urn ne $aggregate->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
    }

620 621 622
    if ($slice->Lock() != 0) {
	return GeniResponse->BusyResponse();
    }
623
    # If a monitor process is running, we are "busy".
624
    GeniCM::CheckMonitor($slice);
625
    if ($slice->monitor_pid()) {
626
	$slice->UnLock();
627 628
	return GeniResponse->MonitorResponse();
    }
629
    
630 631 632 633 634
    # If any slivers are imaging, then we are busy as well.
    if ($aggregate->CheckSliverStates("imaging")) {
	$slice->UnLock();
	return GeniResponse->BusyResponse();
    }
635 636 637 638
    
    main::AddLogfileMetaData("sliver_urn", $sliver_urn);
    main::AddLogfileMetaDataFromSlice($slice);
    
639 640 641 642 643
    #
    # We need this below to sign the ticket.
    #
    my $authority = GeniCertificate->LoadFromFile($EMULAB_PEMFILE);
    if (!defined($authority)) {
644
	print STDERR " Could not load $EMULAB_PEMFILE\n";
645 646 647 648 649 650
	return GeniResponse->Create(GENIRESPONSE_ERROR);
	
    }
    #
    # We need the user to sign the new ticket to. 
    #
651
    my $user = GeniCM::CreateUserFromCertificate($credential);
652 653
    return $user
	if (GeniResponse::IsResponse($user));
654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672
    
    my $response = GeniCM::DeleteSliverAux($credential, $impotent, 1);
    return $response
	if (GeniResponse::IsResponse($response));

    #
    # In the v2 API, return a new ticket for the resources
    # (which were not released). As with all tickets, it will
    # expire very quickly. 
    #
    #
    # Create a new ticket from the manifest.
    #
    my $manifest = $aggregate->GetManifest(0);
    if (!defined($manifest)) {
	print STDERR "No manifest found for $aggregate\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
673 674
    my $ticket = GeniTicket->Create($authority, $user,
				    GeniXML::Serialize($manifest));
675 676 677 678 679
    if (!defined($ticket)) {
	print STDERR "Could not create new ticket for $slice\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
680
    $ticket->SetSlice($slice);
681 682
    $ticket->SetSpeaksFor($speaksfor)
	if (defined($speaksfor));
683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712
    
    if ($ticket->Sign()) {
	$ticket->Delete();
	print STDERR "Could not sign new ticket $ticket\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
    if ($ticket->Store()) {
	$ticket->Delete();
	print STDERR "Could not store new ticket $ticket\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
    my $slice_uuid = $slice->uuid();
    DBQueryWarn("delete from geni_manifests ".
		"where slice_uuid='$slice_uuid'");
    $slice->UnLock();
    return GeniResponse->Create(GENIRESPONSE_SUCCESS, $ticket->asString());

  bad:
    if (GeniCM::CleanupDeadSlice($slice) != 0) {
	print STDERR "Could not cleanup slice\n";
    }
    return $response;
}

#
# Delete a Slice
#
sub DeleteSlice($)
713 714
{
    my ($argref) = @_;
715 716 717
    my $slice_urn    = $argref->{'slice_urn'};
    my $credentials  = $argref->{'credentials'};
    my $impotent     = $argref->{'impotent'} || 0;
718
    my $cancel       = 0;
719
    my $blocking     = 0;
720
    my $canceled     = 0;
721

722
    if (! (defined($credentials) && defined($slice_urn))) {
723 724
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
725 726 727
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
728 729 730
    if (exists($argref->{'blocking'}) && $argref->{'blocking'}) {
	$blocking = 1;
    }
731 732 733
    if (exists($argref->{'cancel'}) && $argref->{'cancel'}) {
	$cancel = 1;
    }
734
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
735 736
    return $credential
	if (GeniResponse::IsResponse($credential));
737

738 739 740 741
    #
    # In this implementation, the user must provide a slice credential.
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
742 743 744
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));

745 746 747 748
    if (! defined($slice)) {
	return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED, undef,
				    "No such slice here");
    }
749
    main::AddLogfileMetaDataFromSlice($slice);
750
    
751 752 753 754
    if ($slice_urn ne $slice->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
    }
755 756 757 758
    if ($slice->lockdown()) {
	return GeniResponse->Create(GENIRESPONSE_REFUSED(), undef,
				    "Slice is locked down");
    }
759 760 761
    if ($slice->Lock() != 0) {
	return GeniResponse->BusyResponse();
    }
762 763

    #
764 765 766 767 768 769 770 771
    # If a monitor process is running, then the slice is busy.
    # This might mean that the user will not be able to delete
    # the slice for a long time, but we are having problems with
    # users canceling slices before they finish setting up, and
    # the XEN client side is not handling this very well. Note that
    # the cleanupslice script calls GeniCM::CleanupDeadSlice()
    # directly, which *does* kill the monitor, so admin cleanup
    # is not affected.
772
    #
773
    GeniCM::CheckMonitor($slice);
774
    if ($slice->monitor_pid()) {
775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791
	if (!$cancel) {
	    $slice->UnLock();
	    return GeniResponse->MonitorResponse()
	}
	    
	#
	# But what we can do is set the cancel flag, which the monitor is
	# checking each time through the loop. This will cause it to stop
	# rebooting timed out nodes, and quit earlier. The caller will not
	# have to retry as long. 
	#
	my $slice_experiment = $slice->GetExperiment();
	if (defined($slice_experiment)) {
	    $slice_experiment->SetCancelFlag(1);
	}
	print STDERR "Canceling the monitor (" . $slice->monitor_pid() . ")\n";
	$canceled = 1;
792
    }
793
    # If any slivers are imaging, then we are busy as well.
794
    elsif (defined($aggregate) &&
Leigh B Stoller's avatar
Leigh B Stoller committed
795
	$aggregate->CheckSliverStates("imaging")) {
796 797 798
	$slice->UnLock();
	return GeniResponse->BusyResponse();
    }
799 800 801 802 803

    #
    # Proceed in the background. No reason to make the caller wait,
    # it takes too long.
    #
804 805 806 807 808
    if (!$blocking) {
	my $mypid = main::WrapperFork();
	if ($mypid) {
	    return GeniResponse->Create(GENIRESPONSE_SUCCESS);
	}
809
    }
810 811 812 813 814 815 816 817 818 819
    #
    # If we were canceled, we wait for the monitor to stop, instead of
    #
    if ($canceled) {
	while ($slice->monitor_pid()) {
	    sleep(10);
	    GeniCM::CheckMonitor($slice);
	    print STDERR "Checking to see if monitor has stopped ...\n";
	}
    }
820 821 822 823 824
    my $retval = GeniCM::CleanupDeadSlice($slice, 1);
    if ($retval) {
	return -1
	    if (!$blocking);
	return GeniResponse->Create(GENIRESPONSE_ERROR);
825
    }
826 827 828
    return 0
	if (!$blocking);
    return GeniResponse->Create(GENIRESPONSE_SUCCESS);
829 830 831 832 833 834 835 836
}

#
# Get a Sliver (credential)
#
sub GetSliver($)
{
    my ($argref) = @_;
837 838
    my $slice_urn    = $argref->{'slice_urn'};
    my $credentials  = $argref->{'credentials'};
839

840
    if (! (defined($credentials) && defined($slice_urn))) {
841 842
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
843 844 845
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
846
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
847 848 849
    return $credential
	if (GeniResponse::IsResponse($credential));

850 851 852 853
    #
    # In this implementation, the user must provide a slice credential.
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
854 855 856
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));

857
    if (! (defined($slice) && defined($aggregate))) {
858
	return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED, undef,
859 860 861 862 863 864
				    "No slice or aggregate here");
    }
    if ($slice_urn ne $slice->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
    }
865
    return GeniCM::GetSliverAux($credential);
866 867 868
}

#
869
# Start a sliver (not sure what this means yet, so reboot for now).
870
#
871
sub StartSliver($)
872 873
{
    my ($argref) = @_;
874
    my $slice_urn    = $argref->{'slice_urn'};
875
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
876
    my $credentials  = $argref->{'credentials'};
877
    my $manifest     = $argref->{'manifest'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
878
    
879 880
    return SliverAction("start",
			$slice_urn, $sliver_urns, $credentials, $manifest);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
881 882 883 884 885 886
}

sub StopSliver($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
887
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
888 889
    my $credentials  = $argref->{'credentials'};

890 891
    return SliverAction("stop",
			$slice_urn, $sliver_urns, $credentials, undef);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
892 893 894 895 896 897
}

sub RestartSliver($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
898
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
899
    my $credentials  = $argref->{'credentials'};
900
    my $manifest     = $argref->{'manifest'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
901

902 903
    return SliverAction("restart",
			$slice_urn, $sliver_urns, $credentials, $manifest);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
904
}
905

906 907 908 909 910 911 912 913 914 915 916
sub ReloadSliver($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
    my $credentials  = $argref->{'credentials'};

    return SliverAction("reload",
			$slice_urn, $sliver_urns, $credentials, undef);
}

917
sub SliverAction($$$$$)
Leigh B. Stoller's avatar
Leigh B. Stoller committed
918
{
919
    my ($action, $slice_urn, $sliver_urns, $credentials, $manifest) = @_;
920
    my $response;
921
    my $isasync = 0;
922

923 924
    if (! (defined($credentials) &&
	   (defined($slice_urn) || defined($sliver_urns)))) {
925 926
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
927
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
928 929 930 931 932 933 934 935
    return $credential
	if (GeniResponse::IsResponse($credential));

    $credential->HasPrivilege( "pi" ) or
	$credential->HasPrivilege( "info" ) or
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
				    "Insufficient privilege");

936 937 938 939 940 941 942 943 944
    if (defined($manifest)) {
	$manifest = GeniXML::Parse($manifest);
	if (!defined($manifest)) {
	    print STDERR "Error reading manifest\n";
	    return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					"Bad manifest");
	}
    }
    
945 946 947
    #
    # For now, only allow top level aggregate or the slice
    #
948
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
949 950
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));
Srikanth's avatar
Srikanth committed
951

952 953 954 955
    #
    # I think this allows the CM to perform an action without
    # the slice credential?
    #
956 957 958 959 960
    if ( (!defined($slice)) && 
          ($credential->target_urn() =~ /\+authority\+cm$/)) {
          # administrative credentials are presented.
          my $cm_urn = GeniHRN::Generate($OURDOMAIN, "authority", "cm");
          if ($cm_urn != $credential->target_urn()) {
Srikanth's avatar
Srikanth committed
961
            return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
962 963 964 965
                      "Credential target does not match CM URN");
          }

      if (!defined($slice_urn)) {
Srikanth's avatar
Srikanth committed
966 967
          return GeniResponse->MalformedArgsResponse("Missing arguments");
      }       
968 969 970 971 972 973 974 975
      $slice = GeniSlice->Lookup($slice_urn);
      return GeniResponse->Create(GENIRESPONSE_ERROR, undef, 
                "No Slice with urn $slice_urn here")
          if (!defined($slice));
      $aggregate = GeniAggregate->SliceAggregate($slice);
      return GeniResponse->Create(GENIRESPONSE_ERROR, undef, 
                      "No Aggregate here")
          if (!defined($aggregate));
Srikanth's avatar
Srikanth committed
976
    } 
977

978 979 980 981
    if (! (defined($slice) && defined($aggregate))) {
	return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
				    "No slice or aggregate here");
    }
982 983