GeniCMV2.pm.in 120 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 60
use emutil;
use English;
61
use libtestbed;
62 63 64 65 66 67
use Data::Dumper;
use XML::Simple;
use Date::Parse;
use POSIX qw(strftime tmpnam);
use Time::Local;
use Compress::Zlib;
68
use File::Temp qw(tempfile);
69
use MIME::Base64;
70
use Errno;
71
use List::Util qw(shuffle);
72 73 74 75 76 77 78 79 80

# Configure variables
my $TB		   = "@prefix@";
my $TBOPS          = "@TBOPSEMAIL@";
my $TBAPPROVAL     = "@TBAPPROVALEMAIL@";
my $TBAUDIT   	   = "@TBAUDITEMAIL@";
my $BOSSNODE       = "@BOSSNODE@";
my $OURDOMAIN      = "@OURDOMAIN@";
my $PGENIDOMAIN    = "@PROTOGENI_DOMAIN@";
81
my $ELABINELAB     = "@ELABINELAB@";
82
my $TBBASE         = "@TBBASE@";
83
my $TBDOCBASE      = "@TBDOCBASE@";
84 85 86 87
my $CREATEEXPT     = "$TB/bin/batchexp";
my $ENDEXPT        = "$TB/bin/endexp";
my $NALLOC	   = "$TB/bin/nalloc";
my $NFREE	   = "$TB/bin/nfree";
88
my $TEVC	   = "$TB/bin/tevc";
89 90 91 92 93 94 95 96 97 98 99 100
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";
101 102
my $CLONEIMAGE     = "$TB/sbin/clone_image";
my $CREATEIMAGE    = "$TB/bin/create_image";
103
my $DELETEIMAGE    = "$TB/sbin/delete_image";
104 105
my $WAP            = "$TB/sbin/withadminprivs";
my $SHAREVLAN      = "$TB/sbin/sharevlan";
106
my $XMLLINT	   = "/usr/local/bin/xmllint";
107 108
my $PRERENDER      = "$TB/libexec/vis/prerender";
my $EMULAB_PEMFILE = "@prefix@/etc/genicm.pem";
109 110
# Just one of these, at Utah.
my $GENICH_PEMFILE = "@prefix@/etc/genich.pem";
111
my $WITHPROVENANCE = @IMAGEPROVENANCE@;
112
my $PROTOGENI_LOCALUSER = @PROTOGENI_LOCALUSER@;
113
my $API_VERSION    = 2;
114 115 116 117 118 119 120 121

#
# 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()
{
122 123
    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
124 125 126
    my $blob = {
	"api" => $API_VERSION,
	"level" => 1,
127
	"input_rspec" => \@input_rspec_versions,
128
	"output_rspec" => "2",
129
	"ad_rspec" => \@ad_rspec_versions
Gary Wong's avatar
Gary Wong committed
130
    };
131
    return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
132 133 134 135 136 137 138 139
}

#
# Respond to a Resolve request. 
#
sub Resolve($)
{
    my ($argref) = @_;
140 141
    my $credentials = $argref->{'credentials'};
    my $urn         = $argref->{'urn'};
142
    my $admin       = 0;
143
    my $isauth	    = 0;
144

145 146 147 148 149 150
    if (! (defined($credentials) && defined($urn))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    if (! GeniHRN::IsValid($urn)) {
	return GeniResponse->MalformedArgsResponse("Invalid URN");
    }
151
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
152 153 154
    return $credential
	if (GeniResponse::IsResponse($credential));

155 156 157
    my ($object, $type) = LookupURN($urn);
    return $object
	if (GeniResponse::IsResponse($object));
158 159 160 161

    #
    # This is a convenience for testing. If a local user and that
    # user is an admin person, then do whatever it says. This is
162 163
    # easier then trying to do this with credential privs. But,
    # watch for credentials from authorities instead of users.
164
    #
165 166
    my (undef,$callertype,$callerid) = GeniHRN::Parse($credential->owner_urn());
    if ($callertype eq "user") {
167
	my $user = GeniCM::CreateUserFromCertificate($credential);
168 169
	if (!GeniResponse::IsResponse($user) &&
	    $user->IsLocal() && $user->admin()) {
170 171 172
	    $admin = 1;
	}
    }
173 174
    elsif ($callertype eq "authority" &&
	   ($callerid eq "cm" || $callerid eq "sa")) {
175
	$isauth = 1;
176
    }
177 178
    
    if ($type eq "node") {
179
	my $node  = $object;
180 181 182 183 184
	# Not sure about this, but I do know that Resolving a virtnode
	# is not useful right now. 
	if ($node->isvirtnode()) {
	    $node = Node->Lookup($node->phys_nodeid());
	}
185
	my $rspec = GeniCM::GetAdvertisement(0, $node->node_id(), "0.1", undef);
186
	if (! defined($rspec)) {
187
	    print STDERR "Could not get advertisement for $node!\n";
188
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
189
					"Error getting advertisement");
190
	}
191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226
	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");
	    }
	}
227
	# Return a blob.
228
	my $blob = { "hrn"          => $myhrn,
229 230
		     "uuid"         => $node->uuid(),
		     "role"	    => $node->role(),
231 232
		     "hostname"     =>
			 GeniUtil::FindHostname($node->node_id()),
233 234
		     "physctrl"     => 
			 Interface->LookupControl($node->phys_nodeid())->IP(),
235 236 237 238
		     "urn"          => $myurn,
		     "rspec"        => $rspec,
		     "url"          => $me->url(),
		     "gid"          => $component->cert(),
239 240 241 242
		   };

	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
243
    if ($type eq "slice") {
244 245
	my $slice = $object;

Leigh B. Stoller's avatar
Leigh B. Stoller committed
246 247 248 249
	#
	# In this implementation, the caller must hold a valid slice
	# credential for the slice being looked up. 
	#
250 251
	if (! ($isauth || $admin ||
	       $slice->urn() eq $credential->target_urn())) {
252 253
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"No permission to resolve $slice\n");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
254 255 256 257 258 259
	}
	# Return a blob.
	my $blob = { "urn"          => $urn };

	my $aggregate = GeniAggregate->SliceAggregate($slice);
	if (defined($aggregate)) {
260
	    $blob->{'sliver_urn'} = $aggregate->urn();
261 262 263 264
	    my $manifest = $aggregate->GetManifest(1);
	    if (defined($manifest)) {
		$blob->{'manifest'}   = $manifest;
	    }
265 266 267 268 269 270 271 272 273 274 275
	    # 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 }) {
276
		    $blob->{'users'} = $bindings;
277 278
		}
	    }
279 280 281
	    $blob->{'public_url'} =
		"$TBDOCBASE/showslicepub.php?publicid=" . $slice->publicid()
		if (defined($slice->publicid()));
Leigh B. Stoller's avatar
Leigh B. Stoller committed
282 283 284
	}
	my $ticket = GeniTicket->SliceTicket($slice);
	if (defined($ticket)) {
285
	    $blob->{'ticket_urn'} = $ticket->urn();
Leigh B. Stoller's avatar
Leigh B. Stoller committed
286 287 288 289
	}
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
    if ($type eq "sliver") {
290
	my $sliver = $object;
291 292 293
	my $slice  = $sliver->GetSlice();
	return GeniResponse->Create(GENIRESPONSE_ERROR)
	    if (!defined($slice));
294

Leigh B. Stoller's avatar
Leigh B. Stoller committed
295 296 297 298
	#
	# In this implementation, the caller must hold a valid slice
	# or sliver credential for the slice being looked up. 
	#
299
	if (! ($admin || $isauth ||
300
	       $sliver->urn() eq $credential->target_urn() ||
301 302 303 304 305
	       $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
306 307
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN);
	}
308 309
	my $manifest = $sliver->GetManifest(1);
	if (!defined($manifest)) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
310 311 312 313 314 315
	    return GeniResponse->Create(GENIRESPONSE_ERROR);
	}
	# Return a blob.
	my $blob = { "urn"          => $urn,
		     "manifest"     => $manifest,
		 };
316 317 318 319
	$blob->{'public_url'} =
	    "$TBDOCBASE/showslicepub.php?publicid=" . $slice->publicid()
	    if (defined($slice->publicid()));
	
320 321 322 323 324 325 326 327 328 329 330
	# 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 }) {
331
		$blob->{'users'} = $bindings;
332 333
	    }
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
334 335 336
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
    if ($type eq "ticket") {
337 338
	my $ticket = $object;

Leigh B. Stoller's avatar
Leigh B. Stoller committed
339 340 341 342
	#
	# In this implementation, the caller must hold a valid slice
	# or sliver credential to get the ticket.
	#
343
	my $slice = GeniSlice->Lookup($ticket->slice_urn());
Leigh B. Stoller's avatar
Leigh B. Stoller committed
344 345 346 347
	if (!defined($slice)) {
	    print STDERR "Could not find slice for $ticket\n";
	    return GeniResponse->Create(GENIRESPONSE_ERROR);
	}
348
	if (! ($admin || $slice->urn() eq $credential->target_urn())) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
349 350 351 352 353
	    #
	    # See if its the sliver credential. 
	    #
	    my $aggregate = GeniAggregate->SliceAggregate($slice);
	    if (!defined($aggregate) ||
354
		$aggregate->urn() ne $credential->target_urn()) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
355 356 357 358 359
		return GeniResponse->Create(GENIRESPONSE_FORBIDDEN());
	    }
	}
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $ticket->asString());
    }
360 361
    return GeniResponse->Create(GENIRESPONSE_UNSUPPORTED, undef,
				"Cannot resolve $type at this authority");
362 363 364 365 366 367 368 369
}

#
# Discover resources on this component, returning a resource availablity spec
#
sub DiscoverResources($)
{
    my ($argref) = @_;
370 371 372
    my $credentials = $argref->{'credentials'};
    my $available   = $argref->{'available'} || 0;
    my $compress    = $argref->{'compress'} || 0;
373
    my $version     = $argref->{'rspec_version'} || undef;
374 375 376 377

    if (! (defined($credentials))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
378 379 380 381
    my ($credential,$speaksfor,@morecreds) =
	GeniStd::CheckCredentials($credentials);
    return GeniResponse->MalformedArgsResponse("Missing arguments")
	if (!defined($credential));
382 383
    return $credential
	if (GeniResponse::IsResponse($credential));
384

385
    return GeniCM::DiscoverResourcesAux($available, $compress,
386
        $version, [$credential, @morecreds]);
387 388 389 390 391 392 393 394
}

#
# Create a Sliver.
#
sub CreateSliver($)
{
    my ($argref) = @_;
395 396 397 398 399
    my $slice_urn    = $argref->{'slice_urn'};
    my $rspecstr     = $argref->{'rspec'};
    my $credentials  = $argref->{'credentials'};
    my $keys         = $argref->{'keys'};
    my $impotent     = $argref->{'impotent'} || 0;
400 401
    require Node;
    require Experiment;
402 403
    require libtestbed;
    require libaudit;
404

405
    # For now, I am not worrying about the slice_urn argument.
406 407
    if (! (defined($credentials) &&
	   defined($slice_urn) && defined($rspecstr))) {
408 409
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
410 411 412 413 414 415
    if (! ($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");
    }
416 417
    my ($credential,$speaksfor,@morecreds) =
	GeniStd::CheckCredentials($credentials);
418 419
    return $credential
	if (GeniResponse::IsResponse($credential));
420

421 422
    main::AddLogfileMetaData("slice_urn", $slice_urn);
    
423 424 425 426 427 428 429
    #
    # 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)) {
430 431 432
	return $slice
	    if (GeniResponse::IsResponse($slice));

433 434 435 436
	if ($slice_urn ne $slice->urn()) {
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"Credential does not match the URN");
	}
437
	main::AddLogfileMetaDataFromSlice($slice);
438
	
439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454
	#
	# 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 $user =
455
		GeniCM::CreateUserFromCertificate($credential);
456
	    if (GeniResponse::IsResponse($user)) {	    
457
		$slice->UnLock();
458
		return $user;
459 460 461 462 463 464 465 466
	    }
	    if ($slice->ConvertPlaceholder($user) != 0) {
		$slice->UnLock();
		return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					    "Could not convert placeholder");
	    }
	    $slice->UnLock();
	}
467 468 469 470 471
	if (defined($aggregate)) {
	    return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					"Must delete existing slice first");
	}
    }
472
    my $rspec = GeniCM::GetTicketAux($credential, $rspecstr,
473 474
				     0, $impotent, 1, 0,
				     undef, $speaksfor, @morecreds);
475 476 477
    return $rspec
	if (GeniResponse::IsResponse($rspec));

Leigh B Stoller's avatar
Leigh B Stoller committed
478
    $slice = GeniSlice->Lookup($credential->target_urn());
479 480 481 482
    if (!defined($slice)) {
	print STDERR "CreateSliver: Could not find slice for $credential\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,"Internal Error");
    }
483
    main::AddLogfileMetaDataFromSlice($slice);
484

485 486 487 488
    # Make sure that the next phase sees all changes.
    Experiment->FlushAll();
    Node->FlushAll();

489 490
    my $response = GeniCM::SliverWorkAux($credential, $rspec,
					 $keys, 0, $impotent, 1, 0, $speaksfor);
491

492 493 494 495 496 497 498
    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.
	#
499
	$slice = GeniSlice->Lookup($credential->target_urn());
500
	if (defined($slice)) {
501 502 503 504 505
	    if ($slice->Lock() != 0) {
		print STDERR
		    "CreateSliver: Could not lock $slice before delete\n";
		return $response;
	    }
506 507
	    GeniCM::CleanupDeadSlice($slice, 1);
	}
508
	return $response;
509
    }
510
    my ($sliver_credential) = @{ $response->{'value'} };
511

512 513 514
    #
    # Leave the slice intact on error, so we can go look at it. 
    #
515
    if ($slice->WaitForLock(30) != 0) {
516 517 518 519
	print STDERR "CreateSliver: Could not lock $slice before start\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Internal Error");
    }
520
    $aggregate = GeniAggregate->SliceAggregate($slice);
521 522 523 524 525
    if (!defined($aggregate)) {
	print STDERR "CreateSliver: Could not find aggregate for $slice\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Internal Error");
    }
526 527 528
    # We get the manifest from the aggregate object, so that the
    # expiration goes in.
    my $sliver_manifest = $aggregate->GetManifest(1);
529

530 531
    #
    # At this point we want to return and let the startsliver proceed
532
    # in the background. Parent never returns, just the child.
533
    #
534
    my $mypid = main::WrapperFork();
535 536 537 538
    if ($mypid) {
	return GeniResponse->Create(GENIRESPONSE_SUCCESS,
				    [$sliver_credential, $sliver_manifest]);
    }
539

540 541 542 543
    # Make sure that the next phase sees all changes.
    Experiment->FlushAll();
    Node->FlushAll();

544 545 546 547 548 549 550
    #
    # 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;
    
551
    if ($aggregate->Start($API_VERSION) != 0) {
552 553 554 555 556 557 558
	if ($PID == $mypid) {
	    $slice->UnLock();
	    print STDERR "Could not start sliver.\n";
	}
	else {
	    print STDERR "Error waiting for nodes.\n";
	}
559
	return -1;
560
    }
561 562 563
    if ($PID == $mypid) {
	$slice->UnLock();
    }
564
    return 0;
565 566 567 568 569 570
}

#
# Delete a Sliver.
#
sub DeleteSliver($)
571 572 573 574 575 576 577 578 579 580 581 582
{
    my ($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($sliver_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
583
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
584 585 586 587 588 589 590 591
    return $credential
	if (GeniResponse::IsResponse($credential));

    #
    # In this implementation, the user must provide a slice or sliver
    # credential
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
592 593 594
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));
    
595 596 597 598 599 600 601 602 603
    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");
    }

604 605 606 607
    # If a monitor process is running, we are "busy".
    if ($slice->monitor_pid()) {
	return GeniResponse->MonitorResponse();
    }
608 609 610 611 612 613 614 615
    if ($slice->Lock() != 0) {
	return GeniResponse->BusyResponse();
    }
    # If any slivers are imaging, then we are busy as well.
    if ($aggregate->CheckSliverStates("imaging")) {
	$slice->UnLock();
	return GeniResponse->BusyResponse();
    }
616 617 618 619
    
    main::AddLogfileMetaData("sliver_urn", $sliver_urn);
    main::AddLogfileMetaDataFromSlice($slice);
    
620 621 622 623 624
    #
    # We need this below to sign the ticket.
    #
    my $authority = GeniCertificate->LoadFromFile($EMULAB_PEMFILE);
    if (!defined($authority)) {
625
	print STDERR " Could not load $EMULAB_PEMFILE\n";
626 627 628 629 630 631
	return GeniResponse->Create(GENIRESPONSE_ERROR);
	
    }
    #
    # We need the user to sign the new ticket to. 
    #
632
    my $user = GeniCM::CreateUserFromCertificate($credential);
633 634
    return $user
	if (GeniResponse::IsResponse($user));
635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653
    
    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;
    }
654 655
    my $ticket = GeniTicket->Create($authority, $user,
				    GeniXML::Serialize($manifest));
656 657 658 659 660
    if (!defined($ticket)) {
	print STDERR "Could not create new ticket for $slice\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
661
    $ticket->SetSlice($slice);
662 663
    $ticket->SetSpeaksFor($speaksfor)
	if (defined($speaksfor));
664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693
    
    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($)
694 695
{
    my ($argref) = @_;
696 697 698
    my $slice_urn    = $argref->{'slice_urn'};
    my $credentials  = $argref->{'credentials'};
    my $impotent     = $argref->{'impotent'} || 0;
699
    my $blocking     = 0;
700

701
    if (! (defined($credentials) && defined($slice_urn))) {
702 703
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
704 705 706
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
707 708 709
    if (exists($argref->{'blocking'}) && $argref->{'blocking'}) {
	$blocking = 1;
    }
710
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
711 712
    return $credential
	if (GeniResponse::IsResponse($credential));
713

714 715 716 717
    #
    # In this implementation, the user must provide a slice credential.
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
718 719 720
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));

721 722 723 724
    if (! defined($slice)) {
	return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED, undef,
				    "No such slice here");
    }
725
    main::AddLogfileMetaDataFromSlice($slice);
726
    
727 728 729 730
    if ($slice_urn ne $slice->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
    }
731 732 733 734
    if ($slice->lockdown()) {
	return GeniResponse->Create(GENIRESPONSE_REFUSED(), undef,
				    "Slice is locked down");
    }
735 736 737
    if ($slice->Lock() != 0) {
	return GeniResponse->BusyResponse();
    }
738 739

    #
740 741 742 743 744 745 746 747
    # 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.
748 749
    #
    if ($slice->monitor_pid()) {
750 751
	$slice->UnLock();
	return GeniResponse->MonitorResponse();
752
    }
753
    # If any slivers are imaging, then we are busy as well.
Leigh B Stoller's avatar
Leigh B Stoller committed
754 755
    if (defined($aggregate) &&
	$aggregate->CheckSliverStates("imaging")) {
756 757 758
	$slice->UnLock();
	return GeniResponse->BusyResponse();
    }
759 760 761 762 763

    #
    # Proceed in the background. No reason to make the caller wait,
    # it takes too long.
    #
764 765 766 767 768
    if (!$blocking) {
	my $mypid = main::WrapperFork();
	if ($mypid) {
	    return GeniResponse->Create(GENIRESPONSE_SUCCESS);
	}
769
    }
770 771 772 773 774
    my $retval = GeniCM::CleanupDeadSlice($slice, 1);
    if ($retval) {
	return -1
	    if (!$blocking);
	return GeniResponse->Create(GENIRESPONSE_ERROR);
775
    }
776 777 778
    return 0
	if (!$blocking);
    return GeniResponse->Create(GENIRESPONSE_SUCCESS);
779 780 781 782 783 784 785 786
}

#
# Get a Sliver (credential)
#
sub GetSliver($)
{
    my ($argref) = @_;
787 788
    my $slice_urn    = $argref->{'slice_urn'};
    my $credentials  = $argref->{'credentials'};
789

790
    if (! (defined($credentials) && defined($slice_urn))) {
791 792
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
793 794 795
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
796
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
797 798 799
    return $credential
	if (GeniResponse::IsResponse($credential));

800 801 802 803
    #
    # In this implementation, the user must provide a slice credential.
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
804 805 806
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));

807
    if (! (defined($slice) && defined($aggregate))) {
808
	return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED, undef,
809 810 811 812 813 814
				    "No slice or aggregate here");
    }
    if ($slice_urn ne $slice->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
    }
815
    return GeniCM::GetSliverAux($credential);
816 817 818
}

#
819
# Start a sliver (not sure what this means yet, so reboot for now).
820
#
821
sub StartSliver($)
822 823
{
    my ($argref) = @_;
824
    my $slice_urn    = $argref->{'slice_urn'};
825
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
826
    my $credentials  = $argref->{'credentials'};
827
    my $manifest     = $argref->{'manifest'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
828
    
829 830
    return SliverAction("start",
			$slice_urn, $sliver_urns, $credentials, $manifest);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
831 832 833 834 835 836
}

sub StopSliver($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
837
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
838 839
    my $credentials  = $argref->{'credentials'};

840 841
    return SliverAction("stop",
			$slice_urn, $sliver_urns, $credentials, undef);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
842 843 844 845 846 847
}

sub RestartSliver($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
848
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
849
    my $credentials  = $argref->{'credentials'};
850
    my $manifest     = $argref->{'manifest'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
851

852 853
    return SliverAction("restart",
			$slice_urn, $sliver_urns, $credentials, $manifest);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
854
}
855

856 857 858 859 860 861 862 863 864 865 866
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);
}

867
sub SliverAction($$$$$)
Leigh B. Stoller's avatar
Leigh B. Stoller committed
868
{
869
    my ($action, $slice_urn, $sliver_urns, $credentials, $manifest) = @_;
870
    my $response;
871
    my $isasync = 0;
872

873 874
    if (! (defined($credentials) &&
	   (defined($slice_urn) || defined($sliver_urns)))) {
875 876
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
877
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
878 879 880 881 882 883 884 885
    return $credential
	if (GeniResponse::IsResponse($credential));

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

886 887 888 889 890 891 892 893 894
    if (defined($manifest)) {
	$manifest = GeniXML::Parse($manifest);
	if (!defined($manifest)) {
	    print STDERR "Error reading manifest\n";
	    return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					"Bad manifest");
	}
    }
    
895 896 897
    #
    # For now, only allow top level aggregate or the slice
    #
898
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
899 900
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));
Srikanth's avatar
Srikanth committed
901

902 903 904 905
    #
    # I think this allows the CM to perform an action without
    # the slice credential?
    #
906 907 908 909 910
    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
911
            return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
912 913 914 915
                      "Credential target does not match CM URN");
          }

      if (!defined($slice_urn)) {
Srikanth's avatar
Srikanth committed
916 917
          return GeniResponse->MalformedArgsResponse("Missing arguments");
      }       
918 919 920 921 922 923 924 925
      $slice = GeniSlice->Lookup($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
926
    } 
927

928 929 930 931
    if (! (defined($slice) && defined($aggregate))) {
	return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
				    "No slice or aggregate here");
    }
932 933 934 935 936 937 938
    main::AddLogfileMetaDataFromSlice($slice);

    # If a monitor process is running, we are "busy".
    if ($slice->monitor_pid()) {
	return GeniResponse->MonitorResponse();
    }
    
939 940
    if (defined($slice_urn)) {
	if (! GeniHRN::IsValid($slice_urn)) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
941 942
	    return
		GeniResponse->MalformedArgsResponse("Bad characters in URN");
943
	}
944 945 946
	if ($slice_urn ne $slice->urn()) {
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"Credential does not match the URN");
947
	}
948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965
    }
    if ($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
966
	if ($action eq "start") {
967 968
	    if ($object->state() ne "stopped" && $object->state() ne "new"
		&& $object->state() ne "mixed") {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
969 970 971 972 973
		return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					    "Sliver is not stopped (yet)");
	    }
	}
	elsif ($action eq "stop") {
974
	    if ($object->state() ne "started" && $object->state() ne "mixed") {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
975 976 977 978 979
		return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					    "Sliver is not started (yet)");
	    }
	}
	elsif ($action eq "restart") {
980
	    if ($object->state() ne "started" && $object->state() ne "mixed") {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
981 982 983
		return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					    "Sliver is not started (yet)");
	    }
984
	}
985 986 987 988 989 990
	elsif ($action eq "reload") {
	    if ($object->state() ne "started" && $object->state() ne "stopped"){
		return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
				    "Sliver is not started or stopped (yet)");
	    }
	}
991 992 993 994 995
	return 0;
    };
    my $PerformAction = sub {
	my ($object, $action) = @_;