GeniCM.pm.in 110 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 GeniUsage;
37
use libtestbed qw(SENDMAIL);
38
use emutil;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
39
# Hate to import all this crap; need a utility library.
40
41
use libdb qw(TBGetSiteVar EXPTSTATE_SWAPPED EXPTSTATE_ACTIVE TBOPSPID
	     TBDB_NODESTATE_TBFAILED);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
42
use User;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
43
use Node;
44
use OSinfo;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
45
use Image;
46
use Interface;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
47
48
use English;
use Data::Dumper;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
49
use XML::Simple;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
50
use Date::Parse;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
51
use POSIX qw(strftime tmpnam);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
52
use Time::Local;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
53
use Experiment;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
54
use VirtExperiment;
55
use Firewall;
56
57
use Compress::Zlib;
use MIME::Base64;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
58
59
60
61
62
63
64
65

# Configure variables
my $TB		   = "@prefix@";
my $TBOPS          = "@TBOPSEMAIL@";
my $TBAPPROVAL     = "@TBAPPROVALEMAIL@";
my $TBAUDIT   	   = "@TBAUDITEMAIL@";
my $BOSSNODE       = "@BOSSNODE@";
my $OURDOMAIN      = "@OURDOMAIN@";
66
my $PGENIDOMAIN    = "@PROTOGENI_DOMAIN@";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
67
my $CREATEEXPT     = "$TB/bin/batchexp";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
68
my $ENDEXPT        = "$TB/bin/endexp";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
69
my $NALLOC	   = "$TB/bin/nalloc";
70
my $NFREE	   = "$TB/bin/nfree";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
71
my $AVAIL	   = "$TB/sbin/avail";
72
my $PTOPGEN	   = "$TB/libexec/ptopgen";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
73
74
my $TBSWAP	   = "$TB/bin/tbswap";
my $SWAPEXP	   = "$TB/bin/swapexp";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
75
76
my $PLABSLICE	   = "$TB/sbin/plabslicewrapper";
my $NAMEDSETUP     = "$TB/sbin/named_setup";
77
my $EXPORTS_SETUP  = "$TB/sbin/exports_setup";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
78
79
my $VNODESETUP     = "$TB/sbin/vnode_setup";
my $GENTOPOFILE    = "$TB/libexec/gentopofile";
80
my $TARFILES_SETUP = "$TB/bin/tarfiles_setup";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
81
82
83
84
my $MAPPER         = "$TB/bin/mapper";
my $VTOPGEN        = "$TB/bin/vtopgen";
my $SNMPIT         = "$TB/bin/snmpit";
my $PRERENDER      = "$TB/libexec/vis/prerender";
85
my $EMULAB_PEMFILE = "@prefix@/etc/genicm.pem";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
86

87
88
89
90
91
92
93
94
95
96
97
98
my $API_VERSION = 1;

#
# 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()
{
    return GeniResponse->Create( GENIRESPONSE_SUCCESS, $API_VERSION );
}

99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
# 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
129
#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
130
# Respond to a Resolve request. 
Leigh B. Stoller's avatar
Leigh B. Stoller committed
131
132
133
134
135
136
#
sub Resolve($)
{
    my ($argref) = @_;
    my $uuid       = $argref->{'uuid'};
    my $cred       = $argref->{'credential'};
137
138
    my $type       = lc( $argref->{'type'} );
    my $hrn        = $argref->{'hrn'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
139
140
141
142

    if (! defined($cred)) {
	return GeniResponse->MalformedArgsResponse();
    }
143
144
145
146
    if (defined($uuid) && GeniHRN::IsValid($uuid)) {
	$hrn  = $uuid;
	$uuid = undef;
    }
147
148
149
150
151
152
153
154
155
156
157
158
    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
159
160
161
	return GeniResponse->MalformedArgsResponse();
    }
    # Allow lookup by uuid or hrn.
162
    if (! defined($uuid) && !defined( $hrn ) ) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
	return GeniResponse->MalformedArgsResponse();
    }
    if (defined($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 $ENV{'GENIUUID'}) {
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "This is not your credential!");
    }
183
    if ($type eq "node") {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
184
185
186
	my $node;
	
	if (defined($uuid)) {
187
	    $node= LookupNode($uuid);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
188
189
	}
	else {
190
	    $node= LookupNode($hrn);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
191
	}
192
	if (! defined($node)) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
193
194
195
	    return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED,
					undef, "Nothing here by that name");
	}
196
197
198
199
200
201

	my $rspec = GetAdvertisement(0, $node->node_id());
	if (! defined($rspec)) {
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					"Could not start avail");
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
202
203
	
	# Return a blob.
204
	my $blob = { "hrn"          => "${PGENIDOMAIN}." . $node->node_id(),
Leigh B. Stoller's avatar
Leigh B. Stoller committed
205
		     "uuid"         => $node->uuid(),
206
		     "role"	    => $node->role(),
207
		     "hostname"     => $node->node_id() . ".${OURDOMAIN}",
208
209
		     "physctrl"     => 
			 Interface->LookupControl( $node->phys_nodeid() )->IP(),
210
211
		     "urn"          => GeniHRN::Generate( $OURDOMAIN,
							  "node",
212
213
							  $node->node_id() ),
		     "rspec"        => $rspec
Leigh B. Stoller's avatar
Leigh B. Stoller committed
214
215
216
217
218
219
220
		   };

	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
    return GeniResponse->Create(GENIRESPONSE_UNSUPPORTED);
}

Leigh B. Stoller's avatar
Leigh B. Stoller committed
221
222
223
224
225
226
227
#
# Discover resources on this component, returning a resource availablity spec
#
sub DiscoverResources($)
{
    my ($argref) = @_;
    my $credential = $argref->{'credential'};
228
229
    my $available = $argref->{'available'} || 0;
    my $compress = $argref->{'compress'} || 0;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
230
231
232
233
234
235
236
237
    my $user_uuid  = $ENV{'GENIUSER'};

    $credential = GeniCredential->CreateFromSigned($credential);
    if (!defined($credential)) {
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Could not create GeniCredential object");
    }
    # The credential owner/slice has to match what was provided.
238
    if ($user_uuid ne $credential->owner_uuid()) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
239
240
241
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
				    "Invalid credentials for operation");
    }
242
243
244
245
246
247
248
    return DiscoverResourcesAux($available, $compress);
}
# Helper function for V2.
sub DiscoverResourcesAux($$)
{
    my ($available, $compress) = @_;
    my $user_uuid  = $ENV{'GENIUSER'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
249

250
251
252
    # Oh, for $*%(s sake.  Frontier::RPC2 insists on representing a
    # Boolean as its own object type -- which Perl always interprets as
    # true, regardless of the object's value.  Undo all of that silliness.
253
254
255
256
257
258
    if (defined($available) && ref($available) eq 'Frontier::RPC2::Boolean') {
	$available = $available->value;
    }
    if (defined($compress) && ref($compress) eq 'Frontier::RPC2::Boolean') {
	$compress = $compress->value;
    }
259

Leigh B. Stoller's avatar
Leigh B. Stoller committed
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
    #
    # 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
277
    #
278
    # Acquire the advertisement from ptopgen and compress it if requested.
Leigh B. Stoller's avatar
Leigh B. Stoller committed
279
    #
280
281
    my $xml = GetAdvertisement($available, undef);
    if (! defined($xml)) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
282
283
284
285
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Could not start avail");
    }

286
287
288
289
290
291
    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
292
293
    return GeniResponse->Create(GENIRESPONSE_SUCCESS, $xml);
}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
294

295
296
297
298
299
300
301
302
#
# Use ptopgen in xml mode to spit back an xml file. 
#
sub GetAdvertisement($$)
{
    my ($available, $pc) = @_;
    my $xml = undef;

Jonathon Duerig's avatar
Jonathon Duerig committed
303
    my $invocation = "$PTOPGEN -x -g -r -p GeniSlices";
304
305
306
307
308
    $invocation .= " -a" unless $available;
    if (defined($pc)) {
	$invocation .= " -1 $pc";
    }
    if (open(AVAIL, "$invocation |")) {
309
	$xml = "";
310
311
312
313
314
315
316
317
	while (<AVAIL>) {
	    $xml .= $_;
	}
	close(AVAIL);
    }
    return $xml;
}

Leigh B. Stoller's avatar
Leigh B. Stoller committed
318
#
319
# Update a ticket with a new rspec.
Leigh B. Stoller's avatar
Leigh B. Stoller committed
320
#
321
sub UpdateTicket($)
Leigh B. Stoller's avatar
Leigh B. Stoller committed
322
323
{
    my ($argref) = @_;
324
325
326
327
328
329
330
331
332
333

    return GetTicket($argref, 1);
}

#
# Respond to a GetTicket request. 
#
sub GetTicket($;$)
{
    my ($argref, $isupdate) = @_;
334
    my $rspecstr   = $argref->{'rspec'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
335
    my $impotent   = $argref->{'impotent'};
336
337
    my $credstr    = $argref->{'credential'};
    my $tickstr    = $argref->{'ticket'};
338
339
340
341
342
343
344
    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
345

346
    if (! defined($credstr)) {
347
	return GeniResponse->MalformedArgsResponse();
Leigh B. Stoller's avatar
Leigh B. Stoller committed
348
    }
349
    if (!defined($rspecstr)) {
350
351
	return GeniResponse->MalformedArgsResponse();
    }
352
353
354
355
    if (! ($rspecstr =~ /^[\040-\176\012\015\011]+$/)) {
	return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
				    "Improper characters in rspec");
    }
356
    my $credential = GeniCredential->CreateFromSigned($credstr);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
357
358
359
360
    if (!defined($credential)) {
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Could not create GeniCredential object");
    }
361
362
363
    #
    # Make sure the credential was issued to the caller.
    #
364
    if ($credential->owner_uuid() ne $ENV{'GENIUUID'}) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
365
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
366
				    "This is not your credential!");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
367
    }
368
    if ($isupdate) {
369
	$ticket = GeniTicket->CreateFromSignedTicket($tickstr);
370
371
372
373
374
	if (!defined($ticket)) {
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					"Could not create GeniTicket object");
	}
    }
375
    return GetTicketAux($credential,
376
			$rspecstr, $isupdate, $impotent, 0, 1, $ticket);
377
}
378

379
sub GetTicketAux($$$$$$$)
380
{
381
382
    my ($credential, $rspecstr, $isupdate, $impotent, $v2, $level,
	$ticket) = @_;
383
    
384
385
386
387
388
389
    defined($credential) &&
	($credential->HasPrivilege( "pi" ) or
	 $credential->HasPrivilege( "instantiate" ) or
	 $credential->HasPrivilege( "bind" ) or
	 return GeniResponse->Create( GENIRESPONSE_FORBIDDEN, undef,
				      "Insufficient privilege" ));
390
    
391
392
    my $slice_uuid = $credential->target_uuid();
    my $user_uuid  = $credential->owner_uuid();
393
    
Leigh B. Stoller's avatar
Leigh B. Stoller committed
394
    #
395
    # Create slice from the certificate.
Leigh B. Stoller's avatar
Leigh B. Stoller committed
396
397
398
    #
    my $slice = GeniSlice->Lookup($slice_uuid);
    if (!defined($slice)) {
399
400
401
402
403
	if ($isupdate) {
	    print STDERR "Could not locate slice $slice_uuid for Update\n";
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					"No slice found for UpdateTicket");
	}
404
	$slice = CreateSliceFromCertificate($credential);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
405
	if (!defined($slice)) {
406
	    print STDERR "Could not create $slice_uuid\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
407
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
408
					"Could not create slice");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
409
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
410
411
    }

Leigh B. Stoller's avatar
Leigh B. Stoller committed
412
    #
Leigh B. Stoller's avatar
Leigh B. Stoller committed
413
414
    # Ditto the user.
    #
415
    my $user = CreateUserFromCertificate($credential->owner_cert());
Leigh B. Stoller's avatar
Leigh B. Stoller committed
416
    if (!defined($user)) {
417
418
419
420
421
	if ($isupdate) {
	    print STDERR "Could not locate $user_uuid for UpdateTicket\n";
	    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					"No user found for UpdateTicket");
	}
422
	return GeniResponse->Create(GENIRESPONSE_ERROR);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
423
    }
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
    return GetTicketAuxAux($slice, $user, $rspecstr,
			   $isupdate, $impotent, $v2, $level, $ticket);
}
sub GetTicketAuxAux($$$$$$$$)
{
    my ($slice, $user,
	$rspecstr, $isupdate, $impotent, $v2, $level, $ticket) = @_;
    my $response    = undef;
    my $restorevirt = 0;	# Flag to restore virtual state
    my $restorephys = 0;	# Flag to restore physical state

    #
    # 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);
    }

    my $rspec =
	eval { XMLin($rspecstr, KeyAttr => [],
		     ForceArray => ["node", "link", "interface",
				    "interface_ref", "linkendpoints"]) };
    if ($@) {
	print STDERR "XMLin error: $@\n";
	return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
				    "XML error in rspec");
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
453

Leigh B. Stoller's avatar
Leigh B. Stoller committed
454
455
456
457
458
459
460
461
462
463
464
465
466
467
    #
    # 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");
    }
    
    #
468
    # For now all tickets expire very quickly (minutes), but once the
Leigh B. Stoller's avatar
Leigh B. Stoller committed
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
    # 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");
	}
	
	#
486
	# Do we need a policy limit?
Leigh B. Stoller's avatar
Leigh B. Stoller committed
487
488
	#
	my $diff = $when - time();
489
	if ($diff < (60 * 5) || $diff > (3600 * 24 * 100)) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
490
491
492
493
494
495
496
497
498
	    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)));
    }
499
500
501
502
503
504
505

    #
    # Lock the ticket so it cannot be released.
    #
    if (defined($ticket) && $ticket->stored() && $ticket->Lock() != 0) {
	return GeniResponse->BusyResponse("ticket");
    }
506
507
508
    if (defined($ticket)) {
	$ticket->SetSlice($slice);
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
509
510
511
512
513
514
    
    #
    #
    # Lock the slice from further access.
    #
    if ($slice->Lock() != 0) {
515
516
517
	$ticket->UnLock()
	    if (defined($ticket) && $ticket->stored());
	return GeniResponse->BusyResponse("slice");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
518
    }
519
520
521
    # Shutdown slices get nothing.
    if ($slice->shutdown()) {
	$slice->UnLock();
522
523
	$ticket->UnLock()
	    if (defined($ticket) && $ticket->stored());
524
525
526
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
				    "Slice has been shutdown");
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
527

528
    #
Leigh B. Stoller's avatar
Leigh B. Stoller committed
529
    # For now, there can be only a single toplevel aggregate per slice.
530
    # The existence of an aggregate means the slice is active here. 
Leigh B. Stoller's avatar
Leigh B. Stoller committed
531
    #
532
    my $aggregate = GeniAggregate->SliceAggregate($slice);
533
534
535
536
537
    if (!$isupdate) {
	if (defined($aggregate)) {
	    $response = GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
				     "Already have an aggregate for slice");
	    goto bad;
538
539
	}
    }
540
541
542
543
544
    elsif ($v2 && $level && !defined($ticket) && !defined($aggregate)) {
	print STDERR "No aggregate for $slice in version two API\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
545
546
547
548
549
550

    #
    # Firewall hack; just a flag in the rspec for now.
    #
    if (exists($rspec->{'needsfirewall'}) && $rspec->{'needsfirewall'}) {
	if ($slice->SetFirewallFlag($rspec->{'needsfirewall'}) != 0) {
551
552
	    $response = GeniResponse->Create(GENIRESPONSE_ERROR);
	    goto bad;
553
554
	}
    }
555
556

    #
Leigh B. Stoller's avatar
Leigh B. Stoller committed
557
    # We need this now so we can form a virtual topo.
558
    #
Leigh B. Stoller's avatar
Leigh B. Stoller committed
559
560
561
562
563
564
565
566
    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();
567
568
569
570
571
572
573
574
575
576
577

    #
    # Mark the experiment locally as coming from the cooked interface.
    # This changes what tmcd returns to the local nodes.
    #
    if (exists($rspec->{'generated_by'}) &&
	$rspec->{'generated_by'} eq "libvtop") {
	$slice_experiment->Update({"geniflags" =>
				       $Experiment::EXPT_GENIFLAGS_EXPT|
				       $Experiment::EXPT_GENIFLAGS_COOKED});
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
578
579
580
581
582
583
584
585
586
587
588
589
590
    
    #
    # 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);
591
    $virtexperiment->multiplex_factor(3);
592
593

    # This is where nodes are parked until a ticket is redeemed.
594
    # This experiment no longer has to exist.
595
    my $reserved_holding = Experiment->Lookup("GeniSlices", "reservations");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
596

Leigh B. Stoller's avatar
Leigh B. Stoller committed
597
    #
Leigh B. Stoller's avatar
Leigh B. Stoller committed
598
599
    # 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
600
601
    # cannot be granted.
    #
602
603
604
    my %namemap  = ();
    my %colomap  = ();
    my %ifacemap = ();
Leigh B. Stoller's avatar
Leigh B. Stoller committed
605
    my %nodemap  = ();
606
    my @nodeids  = ();
607
    my %lannodes = ();
608
    my @dealloc;
609
610
611
612
613
614
615
616

    #
    # 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
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
	$slice_experiment->ClearBackupState();
	if ($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;
	}
635
636
637
638
639
640
641
	my $oldrspec;
	if ($v2 && defined($aggregate)) {
	    $oldrspec = $aggregate->GetManifest(0);
	}
	else {
	    $oldrspec = $ticket->rspec();
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
642
	
643
	foreach my $ref (@{$oldrspec->{'node'}}) {
644
645
646
647
648
649
	    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'};

	    # Let remote nodes pass through.
650
	    next
651
652
653
		if (defined($manager_uuid) &&
		    !GeniHRN::Equal( $manager_uuid, $ENV{'MYURN'} ) &&
		    $manager_uuid ne $ENV{'MYUUID'});
654

655
656
657
658
659
660
	    # Skip lan nodes; they are fake.
	    next
		if (exists($ref->{'node_type'}) &&
		    exists($ref->{'node_type'}->{'type_name'}) &&
		    $ref->{'node_type'}->{'type_name'} eq "lan");

661
	    my $node = LookupNode($resource_uuid);
662
663
	    if (!defined($node)) {
		$response = GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
Leigh B. Stoller's avatar
Leigh B. Stoller committed
664
				 "Bad resource $resource_uuid in ticket");
665
666
667
		goto bad;
	    }

668
669
670
671
672
673
	    #
	    # Grab the reservation. For backwards compatibility, we want
	    # to find nodes in the reservations holding area, and move them
	    # into the slice experiment. The holding area is no longer going
	    # to be used, at least not until we have a reservations system.
	    #
674
	    my $reservation = $node->Reservation();
675
	    if (defined($reservation) &&
676
		defined($reserved_holding) &&
677
678
679
680
681
682
		$reservation->SameExperiment($reserved_holding)) {
		if ($node->MoveReservation($slice_experiment)) {
		    print STDERR "Could not move $node to $slice_experiment\n";
		    goto bad;
		}
		$node->Refresh();
683
684
685
686
687
688
	    }
	    $namemap{$node_nickname} = $node;
	    $colomap{$colocate} = $node
		if (defined($colocate));
	}
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
689

Leigh B. Stoller's avatar
Leigh B. Stoller committed
690
691
    print STDERR Dumper($rspec);

692
    foreach my $ref (@{$rspec->{'node'}}) {
693
694
695
696
	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'};
697
	my $subnode_of    = $ref->{'subnode_of'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
698
699
700
	my $virtualization_type    = $ref->{'virtualization_type'};
	my $virtualization_subtype = $ref->{'virtualization_subtype'};
	my $exclusive     = $ref->{'exclusive'};
701
	my $pctype;
702
	my $osname;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
703
704
	my $node;

705
	# Let remote nodes pass through.
706
	next
707
708
709
	    if (defined($manager_uuid) &&
		!GeniHRN::Equal( $manager_uuid, $ENV{'MYURN'} ) &&
		$manager_uuid ne $ENV{'MYUUID'});
710

711
712
713
714
715
716
717
718
719
720
721
722
	#
	# Lan nodes are fake and do not go into the virt topo. Need
	# to remember them though, for when we do the links below.
	# They are still in the returned ticket though. 
	#
	if (exists($ref->{'node_type'}) &&
	    exists($ref->{'node_type'}->{'type_name'}) &&
	    $ref->{'node_type'}->{'type_name'} eq "lan") {
	    $lannodes{$node_nickname} = $ref;
	    next;
	}

Leigh B. Stoller's avatar
Leigh B. Stoller committed
723
724
725
	if (defined($virtualization_type)) {
	    if ($virtualization_type eq "emulab-vnode") {
		if (defined($virtualization_subtype)) {
726
727
		    $pctype = "pcvm";
		    
Leigh B. Stoller's avatar
Leigh B. Stoller committed
728
729
730
731
732
733
		    if ($virtualization_subtype eq "emulab-jail") {
			$osname = "FBSD-JAIL";
		    }
		    elsif ($virtualization_subtype eq "emulab-openvz") {
			$osname = "OPENVZ-STD";
		    }
734
735
736
737
738
739
740
741
		    elsif ($virtualization_subtype eq "emulab-spp") {
			$osname = "SPPVM-FAKE";
			$pctype = "sppvm";
			# Lets force to shared node.
			$ref->{'exclusive'} = $exclusive = 0;
			# Kludge for libvtop.
			$virtexperiment->multiplex_factor(1);
		    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
742
743
744
745
746
747
748
749
750
751
752
753
754
755
		}
		else {
		    goto raw;
		}
	    }
	    else {
	      raw:
		# Lets force to exclusive real node.
		$ref->{'exclusive'} = $exclusive = 1;
		$ref->{'virtualization_type'} = "raw";
	    }
	}
	else {
	    $response = GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
756
				     "Must provide a virtualization_type");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
757
758
759
	    goto bad;

	}
760
761
762
763
764
765
	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
766
	#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
767
	# Allow wildcarding.
Leigh B. Stoller's avatar
Leigh B. Stoller committed
768
	#
769
770
771
772
773
774
	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};
775
	    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
776
777
	}
	else {
778
	    $node = LookupNode($resource_uuid);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
779
780
781
782
783
784
785

	    if (!defined($node)) {
		$response =
		    GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					 "Bad resource $resource_uuid");
		goto bad;
	    }
786
787
	    $pctype = $node->type()
		if (!defined($pctype));
788
789
	}
	#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
790
	# If no osname by this point, try for the default.
791
792
	#
	if (defined($node) && !defined($osname)) {
793
794
795
796
797
	    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
798
	}
799
800
801
	# The slot does not like to be NULL.
	$osname = ""
	    if (!defined($osname));
802
	
803
804
805
	# Need some kind of default.
	$pctype = "pc"
	    if (!defined($pctype));
806
	
807
808
809
810
811
	my $nodeblob = {"vname"   => $node_nickname,
			"type"    => $pctype,
			"osname"  => $osname,
			"ips"     => '', # deprecated
			"cmd_line"=> '', # bogus
Leigh B. Stoller's avatar
Leigh B. Stoller committed
812
813
			"fixed"   => (defined($subnode_of) ? $subnode_of :
				      defined($node) ? $node->node_id() : ""),
814
			};
815
816

	# Tarball and startup command.
817
	if (exists($ref->{'startup_command'})) {
818
819
820
821
822
823
824
825
826
827
828
829
830
831
	    my $startupcmd = $ref->{'startup_command'};
	    
	    if (! TBcheck_dbslot($startupcmd, "virt_nodes", "startupcmd",
			 TBDB_CHECKDBSLOT_WARN|TBDB_CHECKDBSLOT_ERROR)) {
		$response =
		    GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					 "Invalid startup command");
		goto bad;
	    }
	    $nodeblob->{'startupcmd'} = $startupcmd;
	}
	if (exists($ref->{'tarfiles'})) {
	    my $tarfiles = $ref->{'tarfiles'};
	    
832
	    if (! TBcheck_dbslot($tarfiles, "virt_nodes", "tarfiles",
833
834
835
836
837
838
			 TBDB_CHECKDBSLOT_WARN|TBDB_CHECKDBSLOT_ERROR)) {
		$response =
		    GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					 "Invalid tarfiles");
		goto bad;
	    }
839
	    $nodeblob->{'tarfiles'} = $tarfiles;
840
841
842
843
844
845
846
847
	}

	my $virtnode = $virtexperiment->NewTableRow("virt_nodes", $nodeblob);
	if (!defined($virtnode)) {
	    $response = GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					     "Error creating virtnode");
	    goto bad;
	}
848

Leigh B. Stoller's avatar
Leigh B. Stoller committed
849
850
851
852
853
854
855
856
857
858
	$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};
	
859
860
861
862
	#
	# Look for interface forward declarations that will be used later
	# in the link specifications. 
	#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
863
864
865
	next
	    if (!exists($ref->{'interface'}));
	
866
867
868
869
870
871
872
873
874
875
876
877
878
	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
879
880
881
	    # port counter.
	    my $vport = scalar(keys(%{ $ifacemap{$node_nickname} }));

882
	    # Store reference so we can munge it below. 
Leigh B. Stoller's avatar
Leigh B. Stoller committed
883
884
	    $ifacemap{$node_nickname}->{$virtual_id} = {"rspec" => $linkref,
							"vport" => $vport};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
885

Leigh B. Stoller's avatar
Leigh B. Stoller committed
886
887
	    # 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
888
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
889
890
    }

891
892
893
    goto skiplinks
	if (!exists($rspec->{'link'}));
    
894
895
896
897
    #
    # Now deal with links for wildcarded nodes. We need to fill in the
    # node_uuid.
    #
Leigh B. Stoller's avatar
Leigh B. Stoller committed
898
899
    my $linknum = 1;
    
900
    foreach my $linkref (@{$rspec->{'link'}}) {
901
	my $lanname    = $linkref->{"nickname"} || $linkref->{"virtual_id"};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
902
903
	my $istunnel   = (exists($linkref->{'link_type'}) &&
			  $linkref->{'link_type'} eq "tunnel");
904
905
	my $interfaces = $linkref->{'linkendpoints'} ||
	    $linkref->{'interface_ref'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
906
	my $ifacenum   = 1;
907
	my $trivial_ok = 0;
908

909
	if (!defined($lanname)) {
910
911
912
913
	    $response = GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
				     "Must provide a virtual_id for links");
	    goto bad;
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
914

915
916
917
918
919
920
921
	#
	# Ick. Before we create the virt_lan_lans entry, we have to check
	# inside to see if one of the interfaces is connected to a lan
	# node. In this case, we want to reuse (if its been created) the
	# lan name, rather then a bunch of links with one interface, which
	# would result in a bogus topology. 
	#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
922
	if (!$istunnel) {
923
924
925
926
927
928
929
930
931
932
933
934
	    foreach my $ref (@{ $interfaces }) {
		my $node_nickname = $ref->{'virtual_node_id'} ||
		    $ref->{'node_nickname'};

		if (exists($lannodes{$node_nickname})) {
		    $lanname = $node_nickname;
		}
	    }
	    if (!defined($virtexperiment->Find("virt_lan_lans", $lanname))) {
		$virtexperiment->NewTableRow("virt_lan_lans",
					     {"vname" => $lanname});
	    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
935
	}
936
937
938
939
940
941
	
	foreach my $ref (@{ $interfaces }) {
	    my $node_nickname = $ref->{'virtual_node_id'} ||
		$ref->{'node_nickname'};
	    my $iface_id     = $ref->{'virtual_interface_id'} ||
		$ref->{'iface_name'};
942

943
	    if (!defined($node_nickname)) {
944
945
		$response =
		    GeniResponse->Create(GENIRESPONSE_ERROR, undef,
946
				 "$lanname: Need node id for links");
947
948
949
950
951
		goto bad;
	    }
	    if (!defined($iface_id)) {
		$response =
		    GeniResponse->Create(GENIRESPONSE_ERROR, undef,
952
				 "$lanname: Need interface id for links");
953
954
955
		goto bad;
	    }

956
957
958
959
960
961
962
963
964
	    #
	    # Look for links that are really lans; one of the interfaces
	    # is on a fake lan node, which we caught above. Just skip it
	    # since in the virt topo, a lan is just a link with more then
	    # two nodes.
	    #
	    next
		if (exists($lannodes{$node_nickname}));

965
	    if ($istunnel) {
966
		# Might be the other side. Skip for now; might bite later.
967
968
		next
		    if (!exists($namemap{$node_nickname}));
969

970
971
972
		# Not doing anything else.
		next;
	    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
973
	    if (!exists($ifacemap{$node_nickname})) {
974
975
		$response =
		    GeniResponse->Create(GENIRESPONSE_ERROR, undef,
976
				 "$lanname: No such virtual_node_id: ".
Leigh B. Stoller's avatar
Leigh B. Stoller committed
977
				 "$node_nickname");
978
		goto bad;
979
	    }
980
	    
981
	    #
982
	    # Sanity check the interface.
983
	    #
984
985
986
	    if (!exists($ifacemap{$node_nickname}->{$iface_id})) {
		$response =
		    GeniResponse->Create(GENIRESPONSE_ERROR, undef,
987
				 "$lanname: No such interface on component: ".
988
989
990
				 "$node_nickname:$iface_id");
		goto bad;
	    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
991
992
	    my $iface_ref   = $ifacemap{$node_nickname}->{$iface_id}->{"rspec"};
	    my $iface_name  = $iface_ref->{"component_id"} || "";
993
	    if( GeniHRN::IsValid( $iface_name ) ) {
994
995
		my ($urn_authority,$urn_node,$urn_iface) =
		    GeniHRN::ParseInterface( $iface_name );
996
997
		$iface_name = $urn_iface;
	    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
998
999
1000
1001
1002
1003
	    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";
1004
1005
1006
1007
1008
	    my $bandwidth = 100000;

	    # Let user override.
	    $bandwidth = $linkref->{'bandwidth'}
	        if (exists($linkref->{'bandwidth'}));
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1009
1010
	    
	    $virtexperiment->NewTableRow("virt_lans",
1011
					 {"vname"       => $lanname,
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1012
1013
					  "vnode"       => $node_nickname,
					  "vport"       => $iface_vport,
1014
					  "trivial_ok"  => $trivial_ok,
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1015
1016
					  "ip"          => $ip,
					  "delay"       => 0.0,
1017
					  "bandwidth"   => $bandwidth, # kbps
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1018
1019
1020
1021
					  "lossrate"    => 0.0,
					  "member"      => $member,
					  "mask"        => $mask,
					  "rdelay"      => 0.0,
1022
					  "rbandwidth"  => $bandwidth, # kbps
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1023
1024
1025
1026
1027
1028
1029
1030
					  "rlossrate"   => 0.0,
					  "fixed_iface" => $iface_name});
	    $ifacenum++;
	}
	$linknum++;
    }
  skiplinks:
    $virtexperiment->Dump();
1031
1032
1033
1034
    if ($virtexperiment->Store()) {
	$response = GeniResponse->Create(GENIRESPONSE_ERROR, undef);
	goto bad;
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1035
1036
1037
1038
1039
1040

    # Must chdir to the work directory for the mapper.
    if (! chdir($slice_experiment->WorkDir())) {
	$response = GeniResponse->Create(GENIRESPONSE_ERROR, undef);
	goto bad;
    }
1041

Leigh B. Stoller's avatar
Leigh B. Stoller committed
1042
1043
1044
    # Do a render cause its nice to have on the show experiment page.
    system("$PRERENDER -r $pid $eid");
    system("$PRERENDER -t $pid $eid");
1045

Leigh B. Stoller's avatar
Leigh B. Stoller committed
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
    #
    # 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 $eid");
    if ($?) {
	$response =
	    GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				 "Could not verify topo");
	goto bad;
    }
1061
    system("$MAPPER -n -d -v -u -o $tmpfile $pid $eid");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1062
1063
1064
1065
1066
1067
1068
1069
    if ($?) {
	$response =
	    GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				 "Could not map to resources");
	unlink($tmpfile);
	if ($isupdate) {
	    $slice_experiment->RemovePhysicalState();
	    $slice_experiment->RestorePhysicalState();
1070
	}
1071
1072
1073
1074
1075
1076
1077
1078
	# Dump the vtop.
	if (-e "$pid-$eid.vtop") {
	    print STDERR "----------------------------------------------\n";
	    print STDERR "------------------ Vtop File -----------------\n";
	    my $log = `cat $pid-$eid.vtop`;
	    print STDERR $log . "\n";
	    print STDERR "----------------------------------------------\n";
	}	    
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
	#
	# Lets dump the error log too, so it ends up in the email.
	# Have to figure out a better approach for this.
	#
	if (-e "assign.log") {
	    print STDERR "----------------------------------------------\n";
	    print STDERR "------------- Assign Error Log ---------------\n";
	    my $log = `cat assign.log`;
	    print STDERR $log . "\n";
	    print STDERR "----------------------------------------------\n";
	}	    
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1090
	goto bad;
1091
    }
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
    my $solution =
	eval { XMLin($tmpfile, KeyAttr => [],
		     ForceArray => ["node", "link", "interface",
				    "interface_ref", "linkendpoints"]) };
    if ($@) {
	print STDERR "XMLin error: $@\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					 "XML error in solution");
	goto bad;
    }

Leigh B. Stoller's avatar
Leigh B. Stoller committed
1103
1104
1105
1106
1107
1108
    unlink($tmpfile);
    print Dumper($solution);

    foreach my $ref (@{$solution->{'node'}}) {
	my $virtual_id     = $ref->{"virtual_id"};
	my $component_uuid = $ref->{"component_uuid"};
1109
1110
1111
1112
1113
1114
	if (!exists($nodemap{$virtual_id})) {
	    $response =
		GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				     "Mapper inserted nodes you did not want");
	    goto bad;
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1115
1116
	my $rspec          = $nodemap{$virtual_id}->{'rspec'};
	my $virtnode       = $nodemap{$virtual_id}->{'virtnode'};
1117
	my $node           = LookupNode($component_uuid);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1118
1119
	my $colocate       = $rspec->{'colocate'} ||
	    $rspec->{'phys_nickname'};
1120
	my $exclusive      = $rspec->{'exclusive'};
1121
	my $subnode_of     = $rspec->{'subnode_of'};
1122
1123
	$exclusive = 0
	    if (!defined($exclusive));
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1124