GeniCMV2.pm.in 83.9 KB
Newer Older
1 2
#!/usr/bin/perl -wT
#
3
# Copyright (c) 2008-2013 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 40 41 42 43 44 45 46 47 48
#
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);

@ISA    = "Exporter";
@EXPORT = qw ( );

# 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 58 59 60 61 62 63 64
use emutil;
use English;
use Data::Dumper;
use XML::Simple;
use Date::Parse;
use POSIX qw(strftime tmpnam);
use Time::Local;
use Compress::Zlib;
65
use File::Temp qw(tempfile);
66
use MIME::Base64;
67
use Errno;
68 69 70 71 72 73 74 75 76

# Configure variables
my $TB		   = "@prefix@";
my $TBOPS          = "@TBOPSEMAIL@";
my $TBAPPROVAL     = "@TBAPPROVALEMAIL@";
my $TBAUDIT   	   = "@TBAUDITEMAIL@";
my $BOSSNODE       = "@BOSSNODE@";
my $OURDOMAIN      = "@OURDOMAIN@";
my $PGENIDOMAIN    = "@PROTOGENI_DOMAIN@";
77
my $ELABINELAB     = "@ELABINELAB@";
78
my $TBBASE         = "@TBBASE@";
79
my $TBDOCBASE      = "@TBDOCBASE@";
80 81 82 83
my $CREATEEXPT     = "$TB/bin/batchexp";
my $ENDEXPT        = "$TB/bin/endexp";
my $NALLOC	   = "$TB/bin/nalloc";
my $NFREE	   = "$TB/bin/nfree";
84
my $TEVC	   = "$TB/bin/tevc";
85 86 87 88 89 90 91 92 93 94 95 96
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";
97 98
my $CLONEIMAGE     = "$TB/sbin/clone_image";
my $CREATEIMAGE    = "$TB/bin/create_image";
99
my $DELETEIMAGE    = "$TB/sbin/delete_image";
100
my $XMLLINT	   = "/usr/local/bin/xmllint";
101 102
my $PRERENDER      = "$TB/libexec/vis/prerender";
my $EMULAB_PEMFILE = "@prefix@/etc/genicm.pem";
103 104
# Just one of these, at Utah.
my $GENICH_PEMFILE = "@prefix@/etc/genich.pem";
105
my $API_VERSION    = 2;
106 107 108 109 110 111 112 113

#
# 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()
{
114 115
    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
116 117 118
    my $blob = {
	"api" => $API_VERSION,
	"level" => 1,
119
	"input_rspec" => \@input_rspec_versions,
120
	"output_rspec" => "2",
121
	"ad_rspec" => \@ad_rspec_versions
Gary Wong's avatar
Gary Wong committed
122
    };
123
    return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
124 125 126 127 128 129 130 131
}

#
# Respond to a Resolve request. 
#
sub Resolve($)
{
    my ($argref) = @_;
132 133
    my $credentials = $argref->{'credentials'};
    my $urn         = $argref->{'urn'};
134
    my $admin       = 0;
135
    my $isauth	    = 0;
136

137 138 139 140 141 142 143 144 145 146
    if (! (defined($credentials) && defined($urn))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    if (! GeniHRN::IsValid($urn)) {
	return GeniResponse->MalformedArgsResponse("Invalid URN");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

147 148 149
    my ($object, $type) = LookupURN($urn);
    return $object
	if (GeniResponse::IsResponse($object));
150 151 152 153

    #
    # This is a convenience for testing. If a local user and that
    # user is an admin person, then do whatever it says. This is
154 155
    # easier then trying to do this with credential privs. But,
    # watch for credentials from authorities instead of users.
156
    #
157 158
    my (undef,$callertype,$callerid) = GeniHRN::Parse($credential->owner_urn());
    if ($callertype eq "user") {
159
	my $user = GeniCM::CreateUserFromCertificate($credential);
160 161
	if (!GeniResponse::IsResponse($user) &&
	    $user->IsLocal() && $user->admin()) {
162 163 164
	    $admin = 1;
	}
    }
165 166
    elsif ($callertype eq "authority" &&
	   ($callerid eq "cm" || $callerid eq "sa")) {
167
	$isauth = 1;
168
    }
169 170
    
    if ($type eq "node") {
171
	my $node  = $object;
172 173 174 175 176
	# Not sure about this, but I do know that Resolving a virtnode
	# is not useful right now. 
	if ($node->isvirtnode()) {
	    $node = Node->Lookup($node->phys_nodeid());
	}
177
	my $rspec = GeniCM::GetAdvertisement(0, $node->node_id(), "0.1", undef);
178
	if (! defined($rspec)) {
179
	    print STDERR "Could not get advertisement for $node!\n";
180
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
181
					"Error getting advertisement");
182
	}
183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218
	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");
	    }
	}
219
	# Return a blob.
220
	my $blob = { "hrn"          => $myhrn,
221 222
		     "uuid"         => $node->uuid(),
		     "role"	    => $node->role(),
223 224
		     "hostname"     =>
			 GeniUtil::FindHostname($node->node_id()),
225 226
		     "physctrl"     => 
			 Interface->LookupControl($node->phys_nodeid())->IP(),
227 228 229 230
		     "urn"          => $myurn,
		     "rspec"        => $rspec,
		     "url"          => $me->url(),
		     "gid"          => $component->cert(),
231 232 233 234
		   };

	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
235
    if ($type eq "slice") {
236 237
	my $slice = $object;

Leigh B. Stoller's avatar
Leigh B. Stoller committed
238 239 240 241
	#
	# In this implementation, the caller must hold a valid slice
	# credential for the slice being looked up. 
	#
242 243
	if (! ($isauth || $admin ||
	       $slice->urn() eq $credential->target_urn())) {
244 245
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"No permission to resolve $slice\n");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
246 247 248 249 250 251
	}
	# Return a blob.
	my $blob = { "urn"          => $urn };

	my $aggregate = GeniAggregate->SliceAggregate($slice);
	if (defined($aggregate)) {
252
	    $blob->{'sliver_urn'} = $aggregate->urn();
253 254 255 256
	    my $manifest = $aggregate->GetManifest(1);
	    if (defined($manifest)) {
		$blob->{'manifest'}   = $manifest;
	    }
257 258 259 260 261 262 263 264 265 266 267
	    # 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 }) {
268
		    $blob->{'users'} = $bindings;
269 270
		}
	    }
271 272 273
	    $blob->{'public_url'} =
		"$TBDOCBASE/showslicepub.php?publicid=" . $slice->publicid()
		if (defined($slice->publicid()));
Leigh B. Stoller's avatar
Leigh B. Stoller committed
274 275 276
	}
	my $ticket = GeniTicket->SliceTicket($slice);
	if (defined($ticket)) {
277
	    $blob->{'ticket_urn'} = $ticket->urn();
Leigh B. Stoller's avatar
Leigh B. Stoller committed
278 279 280 281
	}
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
    if ($type eq "sliver") {
282
	my $sliver = $object;
283 284 285
	my $slice  = $sliver->GetSlice();
	return GeniResponse->Create(GENIRESPONSE_ERROR)
	    if (!defined($slice));
286

Leigh B. Stoller's avatar
Leigh B. Stoller committed
287 288 289 290
	#
	# In this implementation, the caller must hold a valid slice
	# or sliver credential for the slice being looked up. 
	#
291
	if (! ($admin || $isauth ||
292
	       $sliver->urn() eq $credential->target_urn() ||
293 294 295 296 297
	       $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
298 299
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN);
	}
300 301
	my $manifest = $sliver->GetManifest(1);
	if (!defined($manifest)) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
302 303 304 305 306 307
	    return GeniResponse->Create(GENIRESPONSE_ERROR);
	}
	# Return a blob.
	my $blob = { "urn"          => $urn,
		     "manifest"     => $manifest,
		 };
308 309 310 311
	$blob->{'public_url'} =
	    "$TBDOCBASE/showslicepub.php?publicid=" . $slice->publicid()
	    if (defined($slice->publicid()));
	
312 313 314 315 316 317 318 319 320 321 322
	# 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 }) {
323
		$blob->{'users'} = $bindings;
324 325
	    }
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
326 327 328
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
    if ($type eq "ticket") {
329 330
	my $ticket = $object;

Leigh B. Stoller's avatar
Leigh B. Stoller committed
331 332 333 334
	#
	# In this implementation, the caller must hold a valid slice
	# or sliver credential to get the ticket.
	#
335
	my $slice = GeniSlice->Lookup($ticket->slice_urn());
Leigh B. Stoller's avatar
Leigh B. Stoller committed
336 337 338 339
	if (!defined($slice)) {
	    print STDERR "Could not find slice for $ticket\n";
	    return GeniResponse->Create(GENIRESPONSE_ERROR);
	}
340
	if (! ($admin || $slice->urn() eq $credential->target_urn())) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
341 342 343 344 345
	    #
	    # See if its the sliver credential. 
	    #
	    my $aggregate = GeniAggregate->SliceAggregate($slice);
	    if (!defined($aggregate) ||
346
		$aggregate->urn() ne $credential->target_urn()) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
347 348 349 350 351
		return GeniResponse->Create(GENIRESPONSE_FORBIDDEN());
	    }
	}
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $ticket->asString());
    }
352 353
    return GeniResponse->Create(GENIRESPONSE_UNSUPPORTED, undef,
				"Cannot resolve $type at this authority");
354 355 356 357 358 359 360 361
}

#
# Discover resources on this component, returning a resource availablity spec
#
sub DiscoverResources($)
{
    my ($argref) = @_;
362 363 364
    my $credentials = $argref->{'credentials'};
    my $available   = $argref->{'available'} || 0;
    my $compress    = $argref->{'compress'} || 0;
365
    my $version     = $argref->{'rspec_version'} || undef;
366 367 368 369 370 371 372

    if (! (defined($credentials))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));
373

374 375
    my $credential_objects = [];
    foreach my $credstr (@$credentials) {
376 377 378
        my $cred = CheckCredential($credstr);
        push(@$credential_objects, $cred) 
            if(!GeniResponse::IsResponse($cred));
379 380
    }
    return GeniCM::DiscoverResourcesAux($available, $compress,
381
        $version, $credential_objects);
382 383 384 385 386 387 388 389
}

#
# Create a Sliver.
#
sub CreateSliver($)
{
    my ($argref) = @_;
390 391 392 393 394
    my $slice_urn    = $argref->{'slice_urn'};
    my $rspecstr     = $argref->{'rspec'};
    my $credentials  = $argref->{'credentials'};
    my $keys         = $argref->{'keys'};
    my $impotent     = $argref->{'impotent'} || 0;
395 396
    require Node;
    require Experiment;
397 398
    require libtestbed;
    require libaudit;
399

400
    # For now, I am not worrying about the slice_urn argument.
401 402
    if (! (defined($credentials) &&
	   defined($slice_urn) && defined($rspecstr))) {
403 404
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
405 406 407 408 409 410
    if (! ($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");
    }
411 412 413
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));
414

415 416
    main::AddLogfileMetaData("slice_urn", $slice_urn);
    
417 418 419 420 421 422 423
    #
    # 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)) {
424 425 426
	return $slice
	    if (GeniResponse::IsResponse($slice));

427 428 429 430
	if ($slice_urn ne $slice->urn()) {
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"Credential does not match the URN");
	}
431
	main::AddLogfileMetaDataFromSlice($slice);
432
	
433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448
	#
	# 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 $user =
449
		GeniCM::CreateUserFromCertificate($credential);
450
	    if (GeniResponse::IsResponse($user)) {	    
451
		$slice->UnLock();
452
		return $user;
453 454 455 456 457 458 459 460
	    }
	    if ($slice->ConvertPlaceholder($user) != 0) {
		$slice->UnLock();
		return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					    "Could not convert placeholder");
	    }
	    $slice->UnLock();
	}
461 462 463 464 465
	if (defined($aggregate)) {
	    return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					"Must delete existing slice first");
	}
    }
466
    my $rspec = GeniCM::GetTicketAux($credential,
467
				     $rspecstr, 0, $impotent, 1, 0, undef);
468 469 470
    return $rspec
	if (GeniResponse::IsResponse($rspec));

Leigh B Stoller's avatar
Leigh B Stoller committed
471
    $slice = GeniSlice->Lookup($credential->target_urn());
472 473 474 475
    if (!defined($slice)) {
	print STDERR "CreateSliver: Could not find slice for $credential\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,"Internal Error");
    }
476 477
    main::AddLogfileMetaDataFromSlice($slice);
        
478 479 480 481
    # Make sure that the next phase sees all changes.
    Experiment->FlushAll();
    Node->FlushAll();

482
    my $response = GeniCM::SliverWorkAux($credential,
483
					 $rspec, $keys, 0, $impotent, 1, 0);
484

485 486 487 488 489 490 491
    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.
	#
492
	$slice = GeniSlice->Lookup($credential->target_urn());
493
	if (defined($slice)) {
494 495 496 497 498
	    if ($slice->Lock() != 0) {
		print STDERR
		    "CreateSliver: Could not lock $slice before delete\n";
		return $response;
	    }
499 500
	    GeniCM::CleanupDeadSlice($slice, 1);
	}
501
	return $response;
502
    }
503 504
    my ($sliver_credential, $sliver_manifest) = @{ $response->{'value'} };
    
505 506 507 508 509 510 511 512
    #
    # Leave the slice intact on error, so we can go look at it. 
    #
    if ($slice->Lock() != 0) {
	print STDERR "CreateSliver: Could not lock $slice before start\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Internal Error");
    }
513
    $aggregate = GeniAggregate->SliceAggregate($slice);
514 515 516 517 518
    if (!defined($aggregate)) {
	print STDERR "CreateSliver: Could not find aggregate for $slice\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Internal Error");
    }
519 520
    #
    # At this point we want to return and let the startsliver proceed
521
    # in the background. Parent never returns, just the child.
522
    #
523
    my $mypid = main::WrapperFork();
524 525 526 527
    if ($mypid) {
	return GeniResponse->Create(GENIRESPONSE_SUCCESS,
				    [$sliver_credential, $sliver_manifest]);
    }
528

529 530 531 532
    # Make sure that the next phase sees all changes.
    Experiment->FlushAll();
    Node->FlushAll();

533 534 535 536 537 538 539
    #
    # 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;
    
Leigh B. Stoller's avatar
Leigh B. Stoller committed
540
    if ($aggregate->Start($API_VERSION, 0) != 0) {
541 542 543 544 545 546 547
	if ($PID == $mypid) {
	    $slice->UnLock();
	    print STDERR "Could not start sliver.\n";
	}
	else {
	    print STDERR "Error waiting for nodes.\n";
	}
548
	return -1;
549
    }
550 551 552
    if ($PID == $mypid) {
	$slice->UnLock();
    }
553
    return 0;
554 555 556 557 558 559
}

#
# Delete a Sliver.
#
sub DeleteSliver($)
560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580
{
    my ($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");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

    #
    # In this implementation, the user must provide a slice or sliver
    # credential
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
581 582 583
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));
    
584 585 586 587 588 589 590 591 592
    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");
    }

593 594 595 596 597 598 599 600
    # If a monitor process is running, we are "busy".
    if ($slice->monitor_pid()) {
	return GeniResponse->MonitorResponse();
    }
    
    main::AddLogfileMetaData("sliver_urn", $sliver_urn);
    main::AddLogfileMetaDataFromSlice($slice);
    
601 602 603 604 605
    #
    # We need this below to sign the ticket.
    #
    my $authority = GeniCertificate->LoadFromFile($EMULAB_PEMFILE);
    if (!defined($authority)) {
606
	print STDERR " Could not load $EMULAB_PEMFILE\n";
607 608 609 610 611 612
	return GeniResponse->Create(GENIRESPONSE_ERROR);
	
    }
    #
    # We need the user to sign the new ticket to. 
    #
613
    my $user = GeniCM::CreateUserFromCertificate($credential);
614 615
    return $user
	if (GeniResponse::IsResponse($user));
616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634
    
    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;
    }
635 636
    my $ticket = GeniTicket->Create($authority, $user,
				    GeniXML::Serialize($manifest));
637 638 639 640 641
    if (!defined($ticket)) {
	print STDERR "Could not create new ticket for $slice\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
642
    $ticket->SetSlice($slice);
643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672
    
    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($)
673 674
{
    my ($argref) = @_;
675 676 677 678
    my $slice_urn    = $argref->{'slice_urn'};
    my $credentials  = $argref->{'credentials'};
    my $impotent     = $argref->{'impotent'} || 0;

679
    if (! (defined($credentials) && defined($slice_urn))) {
680 681
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
682 683 684
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
685 686 687
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));
688

689 690 691 692
    #
    # In this implementation, the user must provide a slice credential.
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
693 694 695
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));

696 697 698 699
    if (! defined($slice)) {
	return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED, undef,
				    "No such slice here");
    }
700
    main::AddLogfileMetaDataFromSlice($slice);
701
    
702 703 704 705 706 707 708
    if ($slice_urn ne $slice->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
    }
    if ($slice->Lock() != 0) {
	return GeniResponse->BusyResponse();
    }
709 710 711 712 713 714 715 716 717 718 719 720 721 722

    #
    # If a monitor process is running, then cancel it so that
    # we do not leave it behind on a slice/experiment that is
    # now gone.
    #
    if ($slice->monitor_pid()) {
	my $response = GeniCM::KillMonitor($slice);
	if (GeniResponse::IsResponse($response)) {
	    $slice->UnLock();
	    return $response;
	}
    }
    
Leigh B. Stoller's avatar
Leigh B. Stoller committed
723
    if (GeniCM::CleanupDeadSlice($slice, 1) != 0) {
724 725 726
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Could not cleanup slice");
    }
727
  done:
728
    return GeniResponse->Create(GENIRESPONSE_SUCCESS);
729 730 731 732 733 734 735 736
}

#
# Get a Sliver (credential)
#
sub GetSliver($)
{
    my ($argref) = @_;
737 738
    my $slice_urn    = $argref->{'slice_urn'};
    my $credentials  = $argref->{'credentials'};
739

740
    if (! (defined($credentials) && defined($slice_urn))) {
741 742
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
743 744 745
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
746 747 748 749
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

750 751 752 753
    #
    # In this implementation, the user must provide a slice credential.
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
754 755 756
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));

757
    if (! (defined($slice) && defined($aggregate))) {
758
	return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED, undef,
759 760 761 762 763 764
				    "No slice or aggregate here");
    }
    if ($slice_urn ne $slice->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
    }
765
    return GeniCM::GetSliverAux($credential);
766 767 768
}

#
769
# Start a sliver (not sure what this means yet, so reboot for now).
770
#
771
sub StartSliver($)
772 773
{
    my ($argref) = @_;
774
    my $slice_urn    = $argref->{'slice_urn'};
775
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
776
    my $credentials  = $argref->{'credentials'};
777
    my $manifest     = $argref->{'manifest'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
778
    
779 780
    return SliverAction("start",
			$slice_urn, $sliver_urns, $credentials, $manifest);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
781 782 783 784 785 786
}

sub StopSliver($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
787
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
788 789
    my $credentials  = $argref->{'credentials'};

790 791
    return SliverAction("stop",
			$slice_urn, $sliver_urns, $credentials, undef);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
792 793 794 795 796 797
}

sub RestartSliver($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
798
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
799
    my $credentials  = $argref->{'credentials'};
800
    my $manifest     = $argref->{'manifest'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
801

802 803
    return SliverAction("restart",
			$slice_urn, $sliver_urns, $credentials, $manifest);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
804
}
805

806
sub SliverAction($$$$$)
Leigh B. Stoller's avatar
Leigh B. Stoller committed
807
{
808
    my ($action, $slice_urn, $sliver_urns, $credentials, $manifest) = @_;
809
    my $response;
810
    my $isasync = 0;
811

812 813
    if (! (defined($credentials) &&
	   (defined($slice_urn) || defined($sliver_urns)))) {
814 815 816 817 818 819 820 821 822 823 824
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    my $credential = CheckCredentials($credentials);
    return $credential
	if (GeniResponse::IsResponse($credential));

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

825 826 827 828 829 830 831 832 833
    if (defined($manifest)) {
	$manifest = GeniXML::Parse($manifest);
	if (!defined($manifest)) {
	    print STDERR "Error reading manifest\n";
	    return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					"Bad manifest");
	}
    }
    
834 835 836
    #
    # For now, only allow top level aggregate or the slice
    #
837
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
838 839
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));
Srikanth's avatar
Srikanth committed
840

841 842 843 844 845
    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
846
            return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
847 848 849 850
                      "Credential target does not match CM URN");
          }

      if (!defined($slice_urn)) {
Srikanth's avatar
Srikanth committed
851 852
          return GeniResponse->MalformedArgsResponse("Missing arguments");
      }       
853 854 855 856 857 858 859 860
      $slice = GeniSlice->Lookup($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
861
    } 
862

863 864 865 866
    if (! (defined($slice) && defined($aggregate))) {
	return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
				    "No slice or aggregate here");
    }
867 868 869 870 871 872 873
    main::AddLogfileMetaDataFromSlice($slice);

    # If a monitor process is running, we are "busy".
    if ($slice->monitor_pid()) {
	return GeniResponse->MonitorResponse();
    }
    
874 875
    if (defined($slice_urn)) {
	if (! GeniHRN::IsValid($slice_urn)) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
876 877
	    return
		GeniResponse->MalformedArgsResponse("Bad characters in URN");
878
	}
879 880 881
	if ($slice_urn ne $slice->urn()) {
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"Credential does not match the URN");
882
	}
883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900
    }
    if ($slice->Lock() != 0) {
	return GeniResponse->BusyResponse();
    }
    # Shutdown slices get nothing.
    if ($slice->shutdown()) {
	$slice->UnLock();
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
				    "Slice has been shutdown");
    }
    if ($aggregate->ComputeState()) {
	$slice->UnLock();
	print STDERR "Could not determine current state\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR);
    }
    my $CheckState = sub {
	my ($object, $action) = @_;

Leigh B. Stoller's avatar
Leigh B. Stoller committed
901
	if ($action eq "start") {
902 903
	    if ($object->state() ne "stopped" && $object->state() ne "new"
		&& $object->state() ne "mixed") {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
904 905 906 907 908
		return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					    "Sliver is not stopped (yet)");
	    }
	}
	elsif ($action eq "stop") {
909
	    if ($object->state() ne "started" && $object->state() ne "mixed") {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
910 911 912 913 914
		return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					    "Sliver is not started (yet)");
	    }
	}
	elsif ($action eq "restart") {
915
	    if ($object->state() ne "started" && $object->state() ne "mixed") {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
916 917 918
		return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					    "Sliver is not started (yet)");
	    }
919 920 921 922 923 924
	}
	return 0;
    };
    my $PerformAction = sub {
	my ($object, $action) = @_;

925 926
	my $exitval = 0;

927
	if ($action eq "start") {
928
	    $exitval = $object->Start($API_VERSION, 0);
929
	}
930
	elsif ($action eq "stop") {
931
	    $exitval = $object->Stop($API_VERSION);
932 933
	}
	elsif ($action eq "restart") {
934
	    $exitval = $object->Start($API_VERSION, 1);
935
	}
936 937 938 939
	return GeniResponse->Create(GENIRESPONSE_ERROR, 
				    "Could not $action sliver")
	    if ($exitval);
	
940 941 942
	return 0;
    };

943 944 945 946 947 948 949 950 951 952 953
    my $user = GeniCM::CreateUserFromCertificate($credential);
    return $user
	if (GeniResponse::IsResponse($user));

    my $realuser = GeniCM::FlipToUser($slice, $user);
    if (! (defined($realuser) && $realuser)) {
	print STDERR "Error flipping to real user\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "FlipToUser Error");
    }

954 955 956 957 958
    if (defined($slice_urn)) {
	$response = &$CheckState($aggregate, $action);
	goto bad
	    if (GeniResponse::IsResponse($response));
	    
959 960 961
	if ($action eq "start" || $action eq "restart") {
	    if (defined($manifest) &&
		$aggregate->ProcessManifest($manifest)) {
962 963 964 965 966
		$response = GeniResponse->Create(GENIRESPONSE_ERROR,
						 undef,
						 "Error processing manifest");
		goto bad;
	    }
967 968 969 970
	    #
	    # At this point we want to return and let the startsliver proceed
	    # in the background
	    #
971
	    my $mypid = main::WrapperFork();
972 973 974
	    if ($mypid) {
		return GeniResponse->Create(GENIRESPONSE_SUCCESS);
	    }
975 976
	    # Remember our pid in case callee wrapper forks again.
	    $isasync = $PID;
977
	}
978 979 980 981
	$response = &$PerformAction($aggregate, $action);
	goto bad
	    if (GeniResponse::IsResponse($response));

982 983 984
	if (!$isasync || $isasync == $PID) {
	    $slice->UnLock();
	}
985 986
	return ($isasync ? GENIRESPONSE_SUCCESS :
		GeniResponse->Create(GENIRESPONSE_SUCCESS));
987
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
988
    else {
989
	my @slivers = ();
Leigh B. Stoller's avatar
Leigh B. Stoller committed
990

991 992 993 994 995
	#
	# Sanity check all arguments before doing anything.
	#
	foreach my $urn (@{ $sliver_urns }) {
	    my $sliver = GeniSliver->Lookup($urn);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
996 997 998 999 1000 1001
	    if (!defined($sliver)) {
		$response = GeniResponse->Create(GENIRESPONSE_SEARCHFAILED,
						 undef,
						 "Nothing here by that name");
		goto bad;
	    }
1002 1003 1004 1005 1006 1007 1008 1009
	    
	    $response = &$CheckState($sliver, $action);
	    goto bad
		if (GeniResponse::IsResponse($response));

	    push(@slivers, $sliver);
	}
	foreach my $sliver (@slivers) {
1010 1011 1012 1013 1014 1015 1016 1017
	    if ($action eq "start" && defined($manifest)) {
		if ($sliver->ProcessManifest($manifest)) {
		    $response = GeniResponse->Create(GENIRESPONSE_ERROR,
				     undef,
				     "Error processing manifest for $sliver");
		    goto bad;
		}
	    }
1018 1019 1020 1021 1022 1023
	    $response = &$PerformAction($sliver, $action);
	    goto bad
		if (GeniResponse::IsResponse($response));
	}
	$slice->UnLock();
	return GeniResponse->Create(GENIRESPONSE_SUCCESS);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1024
    }
1025 1026
  bad:
    $slice->UnLock();
1027
    return ($isasync ? $response->{'code'} : $response);
1028 1029 1030 1031 1032 1033 1034 1035