GeniCM.pm.in 93.3 KB
Newer Older
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1 2
#!/usr/bin/perl -wT
#
3
# GENIPUBLIC-COPYRIGHT
4
# Copyright (c) 2008-2009 University of Utah and the Flux Group.
Leigh B. Stoller's avatar
Leigh B. Stoller committed
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
# All rights reserved.
#
package GeniCM;

#
# 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 lib '@prefix@/lib';
use GeniDB;
use Genixmlrpc;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
24 25
use GeniResponse;
use GeniTicket;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
26
use GeniCredential;
27
use GeniCertificate;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
28
use GeniSlice;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
29
use GeniAggregate;
30
use GeniAuthority;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
31
use GeniSliver;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
32
use GeniUser;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
33
use GeniRegistry;
34
use GeniUtil;
35
use GeniHRN;
36
use libtestbed qw(SENDMAIL);
37
use emutil;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
38
# Hate to import all this crap; need a utility library.
Leigh B. Stoller's avatar
Leigh B. Stoller committed
39
use libdb qw(TBGetSiteVar EXPTSTATE_SWAPPED EXPTSTATE_ACTIVE);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
40
use User;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
41
use Node;
42
use OSinfo;
43
use Interface;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
44 45
use English;
use Data::Dumper;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
46
use XML::Simple;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
47
use Date::Parse;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
48
use POSIX qw(strftime tmpnam);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
49
use Time::Local;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
50
use Experiment;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
51
use VirtExperiment;
52
use Firewall;
53 54
use Compress::Zlib;
use MIME::Base64;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
55 56 57 58 59 60 61 62

# Configure variables
my $TB		   = "@prefix@";
my $TBOPS          = "@TBOPSEMAIL@";
my $TBAPPROVAL     = "@TBAPPROVALEMAIL@";
my $TBAUDIT   	   = "@TBAUDITEMAIL@";
my $BOSSNODE       = "@BOSSNODE@";
my $OURDOMAIN      = "@OURDOMAIN@";
63
my $PGENIDOMAIN    = "@PROTOGENI_DOMAIN@";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
64
my $CREATEEXPT     = "$TB/bin/batchexp";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
65
my $ENDEXPT        = "$TB/bin/endexp";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
66
my $NALLOC	   = "$TB/bin/nalloc";
67
my $NFREE	   = "$TB/bin/nfree";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
68
my $AVAIL	   = "$TB/sbin/avail";
69
my $PTOPGEN	   = "$TB/libexec/ptopgen";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
70 71
my $TBSWAP	   = "$TB/bin/tbswap";
my $SWAPEXP	   = "$TB/bin/swapexp";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
72 73 74 75
my $PLABSLICE	   = "$TB/sbin/plabslicewrapper";
my $NAMEDSETUP     = "$TB/sbin/named_setup";
my $VNODESETUP     = "$TB/sbin/vnode_setup";
my $GENTOPOFILE    = "$TB/libexec/gentopofile";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
76 77 78 79
my $MAPPER         = "$TB/bin/mapper";
my $VTOPGEN        = "$TB/bin/vtopgen";
my $SNMPIT         = "$TB/bin/snmpit";
my $PRERENDER      = "$TB/libexec/vis/prerender";
80
my $EMULAB_PEMFILE = "@prefix@/etc/genicm.pem";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
81

82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
# Look up a node by an identifier of unspecified type (perhaps a URN, an
# (obsolete) UUID, or an old-style HRN.  Ultimately, all IDs should be
# URNs and this mess will go away, but for now we try not to make
# any assumptions, because of backward compatibility constraints.
sub LookupNode($)
{
    my ($nodeid) = @_;

    if( GeniHRN::IsValid( $nodeid ) ) {
	# Looks like a URN.
	my ($auth,$t,$id) = GeniHRN::Parse( $nodeid );

	return undef if $auth ne $OURDOMAIN or $t ne "node";

	return Node->Lookup( $id );
    }
 
    #
    # Looks like an old HRN, but we only want the last token for node lookup.
    #
    if ($nodeid =~ /\./) {
	($nodeid) = ($nodeid =~ /\.([-\w]*)$/);

	return Node->Lookup($nodeid);
    }
    
    # Assume it's a UUID, and pass it on as is.
    return Node->Lookup($nodeid);
}

Leigh B. Stoller's avatar
Leigh B. Stoller committed
112
#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
113
# Respond to a Resolve request. 
Leigh B. Stoller's avatar
Leigh B. Stoller committed
114 115 116 117 118 119
#
sub Resolve($)
{
    my ($argref) = @_;
    my $uuid       = $argref->{'uuid'};
    my $cred       = $argref->{'credential'};
120 121
    my $type       = lc( $argref->{'type'} );
    my $hrn        = $argref->{'hrn'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
122 123 124 125

    if (! defined($cred)) {
	return GeniResponse->MalformedArgsResponse();
    }
126 127 128 129
    if (defined($uuid) && GeniHRN::IsValid($uuid)) {
	$hrn  = $uuid;
	$uuid = undef;
    }
130 131 132 133 134 135 136 137 138 139 140 141
    if( defined( $hrn ) && GeniHRN::IsValid( $hrn ) ) {
	my ($auth,$t,$id) = GeniHRN::Parse( $hrn );

	return GeniResponse->Create( GENIRESPONSE_ERROR, undef,
				     "Authority mismatch" )
	    if( $auth ne $OURDOMAIN );

	$type = lc( $t );
	
	$hrn = $id;	
    }
    if (! (defined($type) && ($type =~ /^(node)$/))) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
142 143 144
	return GeniResponse->MalformedArgsResponse();
    }
    # Allow lookup by uuid or hrn.
145
    if (! defined($uuid) && !defined( $hrn ) ) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165
	return GeniResponse->MalformedArgsResponse();
    }
    if (defined($uuid) && !($uuid =~ /^[-\w]*$/)) {
	return GeniResponse->MalformedArgsResponse();
    }

    my $credential = GeniCredential->CreateFromSigned($cred);
    if (!defined($credential)) {
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Could not create GeniCredential object");
    }
    
    #
    # Make sure the credential was issued to the caller, but no special
    # permission required to resolve component resources.
    #
    if ($credential->owner_uuid() ne $ENV{'GENIUUID'}) {
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "This is not your credential!");
    }
166
    if ($type eq "node") {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
167 168 169
	my $node;
	
	if (defined($uuid)) {
170
	    $node= LookupNode($uuid);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
171 172
	}
	else {
173
	    $node= LookupNode($hrn);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
174 175 176 177 178 179 180
	}
	if (!defined($node)) {
	    return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED,
					undef, "Nothing here by that name");
	}
	
	# Return a blob.
181
	my $blob = { "hrn"          => "${PGENIDOMAIN}." . $node->node_id(),
Leigh B. Stoller's avatar
Leigh B. Stoller committed
182
		     "uuid"         => $node->uuid(),
183
		     "role"	    => $node->role(),
184
		     "hostname"     => $node->node_id() . ".${OURDOMAIN}",
185 186
		     "physctrl"     => 
			 Interface->LookupControl( $node->phys_nodeid() )->IP(),
187 188 189
		     "urn"          => GeniHRN::Generate( $OURDOMAIN,
							  "node",
							  $node->node_id() )
Leigh B. Stoller's avatar
Leigh B. Stoller committed
190 191 192 193 194 195 196 197 198 199 200 201 202
		   };

	#
	# Get the list of interfaces for the node.
	#
	my @interfaces;
	if ($node->AllInterfaces(\@interfaces) != 0) {
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					"Could not get interfaces for $uuid");
	}

	my @iblobs = ();
	foreach my $interface (@interfaces) {
203 204 205
	    next
		if (!defined($interface->switch_id()));
		
206 207
	    my $urn = GeniHRN::GenerateInterface( $OURDOMAIN, $node->node_id(),
						  $interface->iface() );
Leigh B. Stoller's avatar
Leigh B. Stoller committed
208 209 210 211 212 213
	    my $iblob = { "uuid"	=> $interface->uuid(),
			  "iface"	=> $interface->iface(),
			  "type"	=> $interface->type(),
			  "card"	=> $interface->card(),
			  "port"	=> $interface->port(),
			  "role"	=> $interface->role(),
214 215
			  "IP"		=> $interface->IP() || "",
			  "mask"	=> $interface->mask() || "",
Leigh B. Stoller's avatar
Leigh B. Stoller committed
216
			  "MAC"		=> $interface->mac(),
217 218 219 220 221
			  "switch_id"   => "${OURDOMAIN}." . 
			      $interface->switch_id(),
			  "switch_card"	=> $interface->switch_card(),
			  "switch_port"	=> $interface->switch_port(),
			  "wire_type"	=> $interface->wire_type(),
222
			  "urn"         => $urn
Leigh B. Stoller's avatar
Leigh B. Stoller committed
223 224 225 226 227 228 229 230 231 232 233 234
		      };

	    push(@iblobs, $iblob);
	}
	$blob->{'interfaces'} = \@iblobs
	    if (@iblobs);
	
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
    return GeniResponse->Create(GENIRESPONSE_UNSUPPORTED);
}

Leigh B. Stoller's avatar
Leigh B. Stoller committed
235 236 237 238 239 240 241
#
# Discover resources on this component, returning a resource availablity spec
#
sub DiscoverResources($)
{
    my ($argref) = @_;
    my $credential = $argref->{'credential'};
242
    my $available = $argref->{'available'};
243
    my $compress = $argref->{'compress'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
244 245 246 247 248 249 250 251
    my $user_uuid  = $ENV{'GENIUSER'};

    $credential = GeniCredential->CreateFromSigned($credential);
    if (!defined($credential)) {
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Could not create GeniCredential object");
    }
    # The credential owner/slice has to match what was provided.
252
    if ($user_uuid ne $credential->owner_uuid()) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
253 254 255 256
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
				    "Invalid credentials for operation");
    }

257 258 259 260
    # Oh, for $*%(s sake.  Frontier::RPC2 insists on representing a
    # Boolean as its own object type -- which Perl always interprets as
    # true, regardless of the object's value.  Undo all of that silliness.
    $available = defined( $available ) && $available->value;
261
    $compress = defined( $compress ) && $compress->value;
262

Leigh B. Stoller's avatar
Leigh B. Stoller committed
263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279
    #
    # A sitevar controls whether external users can get any nodes.
    #
    my $allow_externalusers = 0;
    if (!TBGetSiteVar('protogeni/allow_externalusers', \$allow_externalusers)){
	# Cannot get the value, say no.
	$allow_externalusers = 0;
    }
    if (!$allow_externalusers) {
	my $user = GeniUser->Lookup($user_uuid, 1);
	# No record means the user is remote.
	if (!defined($user) || !$user->IsLocal()) {
	    return GeniResponse->Create(GENIRESPONSE_UNAVAILABLE, undef,
					"External users temporarily denied");
	}
    }

Leigh B. Stoller's avatar
Leigh B. Stoller committed
280
    #
281
    # Use ptopgen in xml mode to spit back an xml file. 
Leigh B. Stoller's avatar
Leigh B. Stoller committed
282
    #
283 284 285
    my $invocation = "$PTOPGEN -x -g -r -p GeniSlices";
    $invocation .= " -a" unless $available;
    if (! open(AVAIL, "$invocation |")) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
286 287 288
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Could not start avail");
    }
289
    my $xml = "";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
290
    while (<AVAIL>) {
291
	$xml .= $_;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
292 293 294
    }
    close(AVAIL);

295 296 297 298 299 300
    if( $compress ) {
	my $coder = Frontier::RPC2->new();
	my $base64 = encode_base64( compress( $xml ) );
	$xml = $coder->base64( $base64 );	
    }

Leigh B. Stoller's avatar
Leigh B. Stoller committed
301 302
    return GeniResponse->Create(GENIRESPONSE_SUCCESS, $xml);
}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
303

Leigh B. Stoller's avatar
Leigh B. Stoller committed
304
#
305
# Update a ticket with a new rspec.
Leigh B. Stoller's avatar
Leigh B. Stoller committed
306
#
307
sub UpdateTicket($)
Leigh B. Stoller's avatar
Leigh B. Stoller committed
308 309
{
    my ($argref) = @_;
310 311 312 313 314 315 316 317 318 319

    return GetTicket($argref, 1);
}

#
# Respond to a GetTicket request. 
#
sub GetTicket($;$)
{
    my ($argref, $isupdate) = @_;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
320
    my $rspec      = $argref->{'rspec'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
321
    my $impotent   = $argref->{'impotent'};
322
    my $cred       = $argref->{'credential'};
323 324
    my $tick       = $argref->{'ticket'};
    my $uuid       = $argref->{'uuid'};
325
    my $vtopo      = $argref->{'virtual_topology'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
326
    my $owner_uuid = $ENV{'GENIUSER'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
327
    my $response   = undef;
328
    my $didfwsetup = 0;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
329 330
    my $restorevirt = 0;	# Flag to restore virtual state
    my $restorephys = 0;	# Flag to restore physical state
331 332 333 334 335 336 337
    my $ticket;

    # Default to no update
    $isupdate = 0
	if (!defined($isupdate));
    $impotent = 0
	if (!defined($impotent));
Leigh B. Stoller's avatar
Leigh B. Stoller committed
338

339 340
    if (! defined($cred)) {
	return GeniResponse->MalformedArgsResponse();
Leigh B. Stoller's avatar
Leigh B. Stoller committed
341
    }
342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370
    if (defined($uuid)) {
	if (!($uuid =~ /^[-\w]*$/)) {
	    return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					"Improper ticket uuid: $uuid");
	}
	$ticket = GeniTicket->Lookup($uuid);
	if (!defined($ticket)) {
	    return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					"No such ticket here: $uuid");
	}
    }
    elsif (defined($rspec)) {
	if (! ($rspec =~ /^[\040-\176\012\015\011]+$/)) {
	    return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					"Improper rspec");
	}
	$rspec = XMLin($rspec, KeyAttr => [],
		       ForceArray => ["node", "link", "interface",
				      "interface_ref", "linkendpoints"]);
    }
    else {
	return GeniResponse->MalformedArgsResponse();
    }
    if ($isupdate) {
	$ticket = GeniTicket->CreateFromSignedTicket($tick);
	if (!defined($ticket)) {
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					"Could not create GeniTicket object");
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
371
    }
372
    my $credential = GeniCredential->CreateFromSigned($cred);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
373 374 375 376
    if (!defined($credential)) {
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Could not create GeniCredential object");
    }
377
    my $slice_uuid = $credential->target_uuid();
378
    my $user_uuid  = $credential->owner_uuid();
379
        
380 381 382
    #
    # Make sure the credential was issued to the caller.
    #
383
    if ($user_uuid ne $ENV{'GENIUUID'}) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
384
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
385
				    "This is not your credential!");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
386
    }
387 388 389 390 391 392 393
    
    defined($credential) &&
	($credential->HasPrivilege( "pi" ) or
	 $credential->HasPrivilege( "instantiate" ) or
	 $credential->HasPrivilege( "bind" ) or
	 return GeniResponse->Create( GENIRESPONSE_FORBIDDEN, undef,
				      "Insufficient privilege" ));
Leigh B. Stoller's avatar
Leigh B. Stoller committed
394

395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418
    #
    # Deal with a duplicate ticket request, after verifying credential.
    #
    if (defined($uuid)) {
	#
	# Return the original ticket string, rather then creating and signing
	# a new version. Only the original requestor can get the ticket, which
	# can then be delegated if necessary. 
	#
	if ($user_uuid ne $ticket->owner_uuid()) {
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
					"Not your ticket!");
	}
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $ticket->asString());
    }
    
    #
    # We need this below to sign the ticket.
    #
    my $authority = GeniCertificate->LoadFromFile($EMULAB_PEMFILE);
    if (!defined($authority)) {
	print STDERR " Could not get uuid from $EMULAB_PEMFILE\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR);
    }
419

Leigh B. Stoller's avatar
Leigh B. Stoller committed
420
    #
421
    # Create slice from the certificate.
Leigh B. Stoller's avatar
Leigh B. Stoller committed
422 423 424
    #
    my $slice = GeniSlice->Lookup($slice_uuid);
    if (!defined($slice)) {
425 426 427 428 429
	if ($isupdate) {
	    print STDERR "Could not locate slice $slice_uuid for Update\n";
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					"No slice found for UpdateTicket");
	}
430
	$slice = CreateSliceFromCertificate($credential);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
431
	if (!defined($slice)) {
432
	    print STDERR "Could not create $slice_uuid\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
433
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
434
					"Could not create slice");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
435
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
436 437
    }

Leigh B. Stoller's avatar
Leigh B. Stoller committed
438
    #
Leigh B. Stoller's avatar
Leigh B. Stoller committed
439 440
    # Ditto the user.
    #
441
    my $user = GeniUser->Lookup($user_uuid, 1);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
442
    if (!defined($user)) {
443 444 445 446 447
	if ($isupdate) {
	    print STDERR "Could not locate $user_uuid for UpdateTicket\n";
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					"No user found for UpdateTicket");
	}
448
	$user = CreateUserFromCertificate($credential->owner_cert());
Leigh B. Stoller's avatar
Leigh B. Stoller committed
449
	if (!defined($user)) {
450
	    print STDERR "No user $user_uuid in the ClearingHouse\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
451 452 453 454 455
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
			    "Could not get user info from ClearingHouse");
	}
    }

Leigh B. Stoller's avatar
Leigh B. Stoller committed
456 457 458 459 460 461 462 463 464 465 466 467 468 469
    #
    # A sitevar controls whether external users can get any nodes.
    #
    my $allow_externalusers = 0;
    if (!TBGetSiteVar('protogeni/allow_externalusers', \$allow_externalusers)){
	# Cannot get the value, say no.
	$allow_externalusers = 0;
    }
    if (!$allow_externalusers && !$user->IsLocal()) {
	return GeniResponse->Create(GENIRESPONSE_UNAVAILABLE, undef,
				    "External users temporarily denied");
    }
    
    #
470
    # For now all tickets expire very quickly (minutes), but once the
Leigh B. Stoller's avatar
Leigh B. Stoller committed
471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500
    # ticket is redeemed, it will expire according to the rspec request.
    #
    if (exists($rspec->{'valid_until'})) {
	my $expires = $rspec->{'valid_until'};

	if (! ($expires =~ /^[-\w:.\/]+/)) {
	    return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					"Illegal valid_until in rspec");
	}
	# Convert to a localtime.
	my $when = timegm(strptime($expires));
	if (!defined($when)) {
	    return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					"Could not parse valid_until");
	}
	
	#
	# No more then 24 hours out ... Needs to be a sitevar?
	#
	my $diff = $when - time();
	if ($diff < (60 * 15) || $diff > (3600 * 24)) {
	    return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					"valid_until out of range");
	}
    }
    else {
	# Give it a reasonable default for later when the ticket is redeemed.
	$rspec->{'valid_until'} =
	    POSIX::strftime("20%y-%m-%dT%H:%M:%S", gmtime(time() + (3600*1)));
    }
501 502 503 504 505 506 507

    #
    # Lock the ticket so it cannot be released.
    #
    if (defined($ticket) && $ticket->stored() && $ticket->Lock() != 0) {
	return GeniResponse->BusyResponse("ticket");
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
508 509 510 511 512 513
    
    #
    #
    # Lock the slice from further access.
    #
    if ($slice->Lock() != 0) {
514 515 516
	$ticket->UnLock()
	    if (defined($ticket) && $ticket->stored());
	return GeniResponse->BusyResponse("slice");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
517
    }
518 519 520
    # Shutdown slices get nothing.
    if ($slice->shutdown()) {
	$slice->UnLock();
521 522
	$ticket->UnLock()
	    if (defined($ticket) && $ticket->stored());
523 524 525
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
				    "Slice has been shutdown");
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
526

527
    #
Leigh B. Stoller's avatar
Leigh B. Stoller committed
528
    # For now, there can be only a single toplevel aggregate per slice.
529
    # The existence of an aggregate means the slice is active here. 
Leigh B. Stoller's avatar
Leigh B. Stoller committed
530
    #
531 532 533 534 535 536
    if (!$isupdate) {
	my $aggregate = GeniAggregate->SliceAggregate($slice);
	if (defined($aggregate)) {
	    $response = GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
				     "Already have an aggregate for slice");
	    goto bad;
537 538 539 540 541 542 543 544
	}
    }

    #
    # Firewall hack; just a flag in the rspec for now.
    #
    if (exists($rspec->{'needsfirewall'}) && $rspec->{'needsfirewall'}) {
	if ($slice->SetFirewallFlag($rspec->{'needsfirewall'}) != 0) {
545 546
	    $response = GeniResponse->Create(GENIRESPONSE_ERROR);
	    goto bad;
547 548
	}
    }
549 550

    #
Leigh B. Stoller's avatar
Leigh B. Stoller committed
551
    # We need this now so we can form a virtual topo.
552
    #
Leigh B. Stoller's avatar
Leigh B. Stoller committed
553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573
    my $slice_experiment = GeniExperiment($slice);
    if (!defined($slice_experiment)) {
	print STDERR "Could not create new Geni slice experiment!\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
    my $pid = $slice_experiment->pid();
    my $eid = $slice_experiment->eid();
    
    #
    # Create a virt topology object. We are going to load this up as we
    # process the rspec.
    #
    my $virtexperiment = VirtExperiment->CreateNew($slice_experiment);
    if (!defined($virtexperiment)) {
	print STDERR "Could not create VirtExperiment object!\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
    # Turn off fixnode; we will control this on the commandline.
    $virtexperiment->allowfixnode(0);
574 575 576 577 578 579 580 581 582 583

    # This is where nodes are parked until a ticket is redeemed.
    my $reserved_holding = Experiment->Lookup("GeniSlices", "reservations");
    if (!defined($reserved_holding)) {
	#
	# This experiment has to exist!
	#
	print STDERR "Could not find Geni reservations experiment!\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
584 585
    }

Leigh B. Stoller's avatar
Leigh B. Stoller committed
586
    #
Leigh B. Stoller's avatar
Leigh B. Stoller committed
587 588
    # An rspec is a structure that requests specific nodes. If those
    # nodes are available, then reserve it. Otherwise the ticket
Leigh B. Stoller's avatar
Leigh B. Stoller committed
589 590
    # cannot be granted.
    #
591 592 593 594
    my %namemap  = ();
    my %tofree   = ();
    my %colomap  = ();
    my %ifacemap = ();
Leigh B. Stoller's avatar
Leigh B. Stoller committed
595
    my %nodemap  = ();
596
    my @nodeids  = ();
597
    my @dealloc;
598

599 600 601 602
    # Try to make the output format mimic the input, until everybody
    # has migrated to URNs.
    my $use_urns = 0; # +ve yes; -ve no; 0 guess

603 604 605 606 607 608 609
    #
    # If this is a ticket update, we want to seed the namemap with
    # existing nodes. This is cause the rspec might refer to wildcards
    # that were already bound in a previous call. We also want to know
    # what nodes are currently reserved in case we have to release some.
    #
    if ($isupdate) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628
	$slice_experiment->ClearBackupState();
	if ($slice_experiment->BackupVirtualState()) {
	    print STDERR "Could not backup virtual state!\n";
	    $response = GeniResponse->Create(GENIRESPONSE_ERROR);
	    goto bad;
	}
	if ($slice_experiment->RemoveVirtualState()) {
	    print STDERR "Could not remove virtual state!\n";
	    $response = GeniResponse->Create(GENIRESPONSE_ERROR);
	    goto bad;
	}
	$restorevirt = 1;

	if ($slice_experiment->BackupPhysicalState()) {
	    print STDERR "Could not backup physical state!\n";
	    $response = GeniResponse->Create(GENIRESPONSE_ERROR);
	    goto bad;
	}
	
629 630 631 632 633 634
	foreach my $ref (@{$ticket->rspec()->{'node'}}) {
	    my $resource_uuid = $ref->{'component_uuid'} || $ref->{'uuid'};
	    my $manager_uuid  = $ref->{'component_manager_uuid'};
	    my $node_nickname = $ref->{'virtual_id'} || $ref->{'nickname'};
	    my $colocate      = $ref->{'colocate'} || $ref->{'phys_nickname'};

635 636 637 638 639 640 641 642
	    if( defined( $manager_uuid ) ) {
		if( GeniHRN::IsValid( $manager_uuid ) ) {
		    $use_urns++;
		} else {
		    $use_urns--;
		}
	    }

643
	    # Let remote nodes pass through.
644
	    next
645 646 647
		if (defined($manager_uuid) &&
		    !GeniHRN::Equal( $manager_uuid, $ENV{'MYURN'} ) &&
		    $manager_uuid ne $ENV{'MYUUID'});
648

649
	    my $node = LookupNode($resource_uuid);
650 651
	    if (!defined($node)) {
		$response = GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
Leigh B. Stoller's avatar
Leigh B. Stoller committed
652
				 "Bad resource $resource_uuid in ticket");
653 654 655 656 657 658 659 660 661 662 663 664 665 666 667
		goto bad;
	    }

	    # Grab the reservation. We will want to release unused nodes,
	    # but only if not already assigned to the slice.
	    my $reservation = $node->Reservation();
	    if (defined($reservation)) {
		$tofree{$resource_uuid} = $node
		    if ($reservation->SameExperiment($reserved_holding));
	    }
	    $namemap{$node_nickname} = $node;
	    $colomap{$colocate} = $node
		if (defined($colocate));
	}
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
668

Leigh B. Stoller's avatar
Leigh B. Stoller committed
669 670
    print STDERR Dumper($rspec);

671
    foreach my $ref (@{$rspec->{'node'}}) {
672 673 674 675
	my $resource_uuid = $ref->{'component_uuid'} || $ref->{'uuid'};
	my $manager_uuid  = $ref->{'component_manager_uuid'};
	my $node_nickname = $ref->{'virtual_id'} || $ref->{'nickname'};
	my $colocate      = $ref->{'colocate'} || $ref->{'phys_nickname'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
676 677 678 679
	my $virtualization_type    = $ref->{'virtualization_type'};
	my $virtualization_subtype = $ref->{'virtualization_subtype'};
	my $exclusive     = $ref->{'exclusive'};
	my $pctype        = "pc";
680
	my $osname;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
681 682
	my $node;

683
	# Let remote nodes pass through.
684
	next
685 686 687
	    if (defined($manager_uuid) &&
		!GeniHRN::Equal( $manager_uuid, $ENV{'MYURN'} ) &&
		$manager_uuid ne $ENV{'MYUUID'});
688

Leigh B. Stoller's avatar
Leigh B. Stoller committed
689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715
	if (defined($virtualization_type)) {
	    if ($virtualization_type eq "emulab-vnode") {
		$pctype = "pcvm";

		if (defined($virtualization_subtype)) {
		    if ($virtualization_subtype eq "emulab-jail") {
			$osname = "FBSD-JAIL";
		    }
		    elsif ($virtualization_subtype eq "emulab-openvz") {
			$osname = "OPENVZ-STD";
		    }
		}
		else {
		    goto raw;
		}
	    }
	    else {
	      raw:
		# Lets force to exclusive real node.
		$ref->{'exclusive'} = $exclusive = 1;
		$ref->{'virtualization_type'} = "raw";
		$pctype = "pc";
		$osname = "RHL90-STD";
	    }
	}
	else {
	    $response = GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
716
				     "Must provide a virtualization_type");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
717 718 719
	    goto bad;

	}
720 721 722 723 724 725
	if (!defined($node_nickname)) {
	    $response = GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
				     "Must provide a virtual_id for nodes");
	    goto bad;
	}

Leigh B. Stoller's avatar
Leigh B. Stoller committed
726
	#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
727
	# Allow wildcarding.
Leigh B. Stoller's avatar
Leigh B. Stoller committed
728
	#
729 730 731 732 733 734
	if (!defined($resource_uuid) || $resource_uuid eq "*") {
	    if (defined($colocate) && exists($colomap{$colocate})) {
		$node = $colomap{$colocate};
	    }
	    elsif ($isupdate && exists($namemap{$node_nickname})) {
		$node = $namemap{$node_nickname};
735
	    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
736 737
	}
	else {
738
	    $node = LookupNode($resource_uuid);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
739 740 741 742 743 744 745

	    if (!defined($node)) {
		$response =
		    GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					 "Bad resource $resource_uuid");
		goto bad;
	    }
746 747 748 749 750
	}
	#
	# If no isname by this point, try for the default.
	#
	if (defined($node) && !defined($osname)) {
751 752 753 754 755
	    if (defined($node->default_osid())) {	    
		my $osinfo = OSinfo->Lookup($node->default_osid());
		$osname = $osinfo->osname()
		    if (defined($osinfo));
	    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
756
	}
757 758 759 760
	# The slot does not like to be NULL.
	$osname = ""
	    if (!defined($osname));
	
Leigh B. Stoller's avatar
Leigh B. Stoller committed
761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779
	my $virtnode =
	    $virtexperiment->NewTableRow("virt_nodes",
					 {"vname"   => $node_nickname,
					  "type"    => $pctype,
					  "osname"  => $osname,
					  "ips"     => '', # deprecated
					  "cmd_line"=> '', # bogus
					  "fixed"   => (defined($node) ?
						     $node->node_id() : "")});
	$virtexperiment->NewTableRow("virt_node_desires",
				     {"vname"    => $node_nickname,
				      "desire"   => "pcshared",
				      "weight"   => 0.95})
	    if (!defined($exclusive) || !$exclusive);

	# Store reference so we can munge it below. 
	$nodemap{$node_nickname} = {"rspec"    => $ref,
				    "virtnode" => $virtnode};
	
780 781 782 783
	#
	# Look for interface forward declarations that will be used later
	# in the link specifications. 
	#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
784 785 786
	next
	    if (!exists($ref->{'interface'}));
	
787 788 789 790 791 792 793 794 795 796 797 798 799
	foreach my $linkref (@{$ref->{'interface'}}) {
	    my $component_id = $linkref->{"component_id"};
	    my $virtual_id   = $linkref->{"virtual_id"};

	    if (!defined($virtual_id)) {
		$response = GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
			     "Must provide a virtual_id for interfaces");
		goto bad;
	    }
	    
	    $ifacemap{$node_nickname} = {}
	        if (!exists($ifacemap{$node_nickname}));

Leigh B. Stoller's avatar
Leigh B. Stoller committed
800 801 802
	    # port counter.
	    my $vport = scalar(keys(%{ $ifacemap{$node_nickname} }));

803
	    # Store reference so we can munge it below. 
Leigh B. Stoller's avatar
Leigh B. Stoller committed
804 805
	    $ifacemap{$node_nickname}->{$virtual_id} = {"rspec" => $linkref,
							"vport" => $vport};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
806

Leigh B. Stoller's avatar
Leigh B. Stoller committed
807 808
	    # This is used after the mapper runs since it uses vname:vport.
	    $ifacemap{"$node_nickname:$vport"} = $linkref;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
809
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
810 811
    }

812 813 814
    goto skiplinks
	if (!exists($rspec->{'link'}));
    
815 816 817 818
    #
    # Now deal with links for wildcarded nodes. We need to fill in the
    # node_uuid.
    #
Leigh B. Stoller's avatar
Leigh B. Stoller committed
819 820
    my $linknum = 1;
    
821 822
    foreach my $linkref (@{$rspec->{'link'}}) {
	my $nickname   = $linkref->{"nickname"} || $linkref->{"virtual_id"};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
823 824
	my $istunnel   = (exists($linkref->{'link_type'}) &&
			  $linkref->{'link_type'} eq "tunnel");
825 826
	my $interfaces = $linkref->{'linkendpoints'} ||
	    $linkref->{'interface_ref'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
827
	my $ifacenum   = 1;
828

829 830 831 832 833
	if (!defined($nickname)) {
	    $response = GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
				     "Must provide a virtual_id for links");
	    goto bad;
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
834 835 836 837 838

	if (!$istunnel) {
	    $virtexperiment->NewTableRow("virt_lan_lans",
					 {"vname" => $nickname});
	}
839 840 841 842 843 844
	
	foreach my $ref (@{ $interfaces }) {
	    my $node_nickname = $ref->{'virtual_node_id'} ||
		$ref->{'node_nickname'};
	    my $iface_id     = $ref->{'virtual_interface_id'} ||
		$ref->{'iface_name'};
845

846
	    if (!defined($node_nickname)) {
847 848 849 850 851 852 853 854 855
		$response =
		    GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				 "$nickname: Need node id for links");
		goto bad;
	    }
	    if (!defined($iface_id)) {
		$response =
		    GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				 "$nickname: Need interface id for links");
856 857 858
		goto bad;
	    }

859
	    if ($istunnel) {
860
		# Might be the other side. Skip for now; might bite later.
861 862
		next
		    if (!exists($namemap{$node_nickname}));
863

864 865 866
		# Not doing anything else.
		next;
	    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
867
	    if (!exists($ifacemap{$node_nickname})) {
868 869 870
		$response =
		    GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				 "$nickname: No such virtual_node_id: ".
Leigh B. Stoller's avatar
Leigh B. Stoller committed
871
				 "$node_nickname");
872
		goto bad;
873
	    }
874
	    
875
	    #
876
	    # Sanity check the interface.
877
	    #
878 879 880 881 882 883 884
	    if (!exists($ifacemap{$node_nickname}->{$iface_id})) {
		$response =
		    GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				 "$nickname: No such interface on component: ".
				 "$node_nickname:$iface_id");
		goto bad;
	    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
885 886
	    my $iface_ref   = $ifacemap{$node_nickname}->{$iface_id}->{"rspec"};
	    my $iface_name  = $iface_ref->{"component_id"} || "";
887 888 889 890
	    if( GeniHRN::IsValid( $iface_name ) ) {
		my ($urn_authority,$urn_node,$urn_iface) = GeniHRN::ParseInterface( $iface_name );
		$iface_name = $urn_iface;
	    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
891 892 893 894 895 896 897 898 899 900 901
	    my $iface_vport = $ifacemap{$node_nickname}->{$iface_id}->{"vport"};

	    # XXX
	    my $ip     = "10.10.${linknum}.${ifacenum}";
	    my $mask   = "255.255.255.0";
	    my $member = "$node_nickname:$iface_vport";
	    
	    $virtexperiment->NewTableRow("virt_lans",
					 {"vname"       => $nickname,
					  "vnode"       => $node_nickname,
					  "vport"       => $iface_vport,
902
					  "trivial_ok"  => 1,
Leigh B. Stoller's avatar
Leigh B. Stoller committed
903 904
					  "ip"          => $ip,
					  "delay"       => 0.0,
905
					  "bandwidth"   => 100000, # kbps
Leigh B. Stoller's avatar
Leigh B. Stoller committed
906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925
					  "lossrate"    => 0.0,
					  "member"      => $member,
					  "mask"        => $mask,
					  "rdelay"      => 0.0,
					  "rbandwidth"  => 100000, # kbps
					  "rlossrate"   => 0.0,
					  "fixed_iface" => $iface_name});
	    $ifacenum++;
	}
	$linknum++;
    }
  skiplinks:
    $virtexperiment->Dump();
    $virtexperiment->Store();

    # Must chdir to the work directory for the mapper.
    if (! chdir($slice_experiment->WorkDir())) {
	$response = GeniResponse->Create(GENIRESPONSE_ERROR, undef);
	goto bad;
    }
926

Leigh B. Stoller's avatar
Leigh B. Stoller committed
927 928 929
    # Do a render cause its nice to have on the show experiment page.
    system("$PRERENDER -r $pid $eid");
    system("$PRERENDER -t $pid $eid");
930

Leigh B. Stoller's avatar
Leigh B. Stoller committed
931 932 933 934 935 936 937 938 939 940 941 942 943 944 945
    #
    # Now run the mapper in impotent mode. The idea is get a solution
    # without allocating any nodes. If we get a solution, and we can
    # allocate the nodes, we update the rspec with the physical info.
    #
    my $tmpfile = POSIX::tmpnam();

    # First a prerun to get the node counts and verify topo.
    system("$VTOPGEN -p $pid $eid");
    if ($?) {
	$response =
	    GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				 "Could not verify topo");
	goto bad;
    }
946
    system("$MAPPER -n -d -v -m 3 -u -o $tmpfile $pid $eid");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
947 948 949 950 951 952 953 954
    if ($?) {
	$response =
	    GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				 "Could not map to resources");
	unlink($tmpfile);
	if ($isupdate) {
	    $slice_experiment->RemovePhysicalState();
	    $slice_experiment->RestorePhysicalState();
955
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
956
	goto bad;
957
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
958 959 960 961 962 963 964 965 966 967 968
    my $solution = XMLin($tmpfile, KeyAttr => [],
			 ForceArray => ["node", "link", "interface",
					"interface_ref", "linkendpoints"]);
    unlink($tmpfile);
    print Dumper($solution);

    foreach my $ref (@{$solution->{'node'}}) {
	my $virtual_id     = $ref->{"virtual_id"};
	my $component_uuid = $ref->{"component_uuid"};
	my $rspec          = $nodemap{$virtual_id}->{'rspec'};
	my $virtnode       = $nodemap{$virtual_id}->{'virtnode'};
969
	my $node           = LookupNode($component_uuid);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
970 971 972 973
	my $colocate       = $rspec->{'colocate'} ||
	    $rspec->{'phys_nickname'};
	
	$rspec->{'component_uuid'} = $component_uuid;
974 975
	$rspec->{'component_manager_uuid'} =
	    $use_urns >= 0 ? $ENV{'MYURN'} : $ENV{'MYUUID'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006

	# Also update the virtexperiment table row.
	$virtnode->fixed($node->node_id());

	#
	# Shared and remote nodes do not need to be allocated.
	#
	# XXX This is going to cause breakage since the reservations
	# are not recorded anyplace until the ticket is redeemed.
	#
	if (! ($node->sharing_mode() || $node->isremotenode)) {
	    # Need to allocate this node unless already mapped.
	    push(@nodeids, $node->node_id())
		if (!exists($namemap{$virtual_id}));
	    # Or make sure we do not free it if already allocated.
	    delete($tofree{$component_uuid})
		if ($isupdate && exists($tofree{$component_uuid}));
	}
	$namemap{$virtual_id} = $node;
	$colomap{$colocate} = $node
	    if (defined($colocate));
    }
    foreach my $ref (@{$solution->{'link'}}) {
	my $nickname          = $ref->{"virtual_id"};
	my $interfaces        = $ref->{'interface_ref'};

	foreach my $iface_ref (@{ $interfaces }) {
	    my $virtual_node_id   = $iface_ref->{"virtual_node_id"};
	    my $virtual_port_id   = $iface_ref->{"virtual_port_id"};
	    my $component_id      = $iface_ref->{"component_id"};
	    my $linkref     = $ifacemap{"$virtual_node_id:$virtual_port_id"};
1007 1008 1009

	    $component_id = "lo0"
		if (!defined($component_id));
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1010
	
1011
	    $linkref->{'component_id'} = $component_id;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038
	}
    }
    # Store the virt topo again since we changed it above.
    $virtexperiment->Dump();
    $virtexperiment->Store();

    print Dumper($rspec);

    # Nalloc might fail if the node gets picked up by someone else.
    if (@nodeids && !$impotent) {
	system("$NALLOC $pid reservations @nodeids");
	if (($? >> 8) < 0) {
	    $response =
		GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				     "Allocation failure");
	    goto bad;
	}
	elsif (($? >> 8) > 0) {
	    $response =
		GeniResponse->Create(GENIRESPONSE_UNAVAILABLE, undef,
				     "Could not allocate some nodes");
	    goto bad;
	}
	# In case the code below fails, before ticket is created.
	@dealloc = @nodeids;
    }
    
1039
    #
1040
    # Create a new ticket.
1041
    #
1042 1043
    my $newticket = GeniTicket->Create($authority, $user, $rspec);
    if (!defined($newticket)) {
1044 1045 1046 1047
	$response =
	    GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				 "Could not create GeniTicket object");
	goto bad;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1048
    }
1049
    if ($newticket->Sign() || $newticket->Store()) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1050 1051 1052
	$response = GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					 "Could not sign Ticket");
	goto bad;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1053
    }
1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069

    if ($isupdate) {
	#
	# Delete (not release) the old ticket. 
	#
	$ticket->Delete(TICKET_RELEASED)
	    if ($ticket->stored());

	# And release any nodes we no longer wanted.
	if (keys(%tofree)) {
	    my @ids = map { $_->node_id() } values(%tofree);

	    system("export NORELOAD=1; ".
		   "$NFREE -x -q GeniSlices reservations @ids");
	}
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1070
    $slice->UnLock();
1071
    return GeniResponse->Create(GENIRESPONSE_SUCCESS, $newticket->asString());
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1072
  bad:
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1073 1074
    system("$PRERENDER -r $pid $eid")
	if (defined($slice_experiment));
1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087
    #
    # Have to be careful in a ticket update, to not release nodes that
    # might be referenced in the old ticket. 
    #
    if ($isupdate) {
	if (defined($newticket)) {
	    # Delete, not Release (which frees nodes).
	    $newticket->Delete(TICKET_PURGED);
	}
	if (@dealloc) {
	    system("export NORELOAD=1; ".
		   "$NFREE -x -q GeniSlices reservations @dealloc");
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1088 1089 1090 1091
	if (defined($slice_experiment) && $restorevirt) {
	    $slice_experiment->RemoveVirtualState();
	    $slice_experiment->RestoreVirtualState();
	}
1092
    }
1093 1094 1095 1096 1097 1098 1099 1100 1101
    else {
	# Release will free the nodes.
	if (defined($newticket)) {
	    $newticket->Release(TICKET_PURGED);
	}
	elsif (@dealloc) {
	    system("export NORELOAD=1; ".
		   "$NFREE -x -q GeniSlices reservations @dealloc");
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1102 1103 1104 1105 1106 1107 1108
	#
	# Lets leave the experiment lying around; it will get cleaned
	# up when the slice is expired. But need to kill off the virtual
	# topo we might have added to it. 
	#
	$slice_experiment->RemoveVirtualState()
	    if (defined($slice_experiment));
1109
    }
1110
  unlock:
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1111 1112
    $slice->UnLock()
	if (defined($slice));
1113 1114
    $ticket->UnLock()
	if (defined($ticket) && $ticket->stored());
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1115
    return $response;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1116 1117 1118
}

#
1119
# Redeem a ticket
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1120
#
1121
sub RedeemTicket($)
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1122 1123
{
    my ($argref) = @_;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1124

1125
    return SliverWork($argref, 0);
1126
}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1127

1128
#
1129
# Update a sliver
1130 1131 1132 1133
#
sub UpdateSliver($)
{
    my ($argref) = @_;
1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149

    return SliverWork($argref, 1);
}

#
# Utility function for above routines.
#
sub SliverWork($$)
{
    my ($argref, $isupdate) = @_;
    my $credstr    = $argref->{'credential'};
    my $ticketstr  = $argref->{'ticket'};
    my $impotent   = $argref->{'impotent'};
    my $keys       = $argref->{'keys'};
    my $extraargs  = $argref->{'extraargs'};
    my $didfwsetup = 0;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1150
    my $restorephys = 0;	# Flag to restore physical state
1151 1152 1153 1154

    $impotent = 0
	if (!defined($impotent));

1155
    if (! (defined($credstr) && defined($ticketstr))) {
1156 1157
	return GeniResponse->Create(GENIRESPONSE_BADARGS);
    }
1158
    my $credential = GeniCredential->CreateFromSigned($credstr);
1159
    if (!defined($credential)) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1160
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
1161 1162 1163 1164 1165 1166 1167 1168 1169
				    "Could not create GeniCredential object");
    }
    #
    # Make sure the credential was issued to the caller.
    #
    if ($credential->owner_uuid() ne $ENV{'GENIUUID'}) {
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "This is not your credential!");
    }
1170 1171 1172 1173 1174 1175
    $credential->HasPrivilege( "pi" ) or
	$credential->HasPrivilege( "instantiate" ) or
	$credential->HasPrivilege( "control" ) or
	return GeniResponse->Create( GENIRESPONSE_FORBIDDEN, undef,<