GeniCMV2.pm.in 179 KB
Newer Older
1
2
#!/usr/bin/perl -wT
#
3
# Copyright (c) 2008-2018 University of Utah and the Flux Group.
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
# 
# {{{GENIPUBLIC-LICENSE
# 
# GENI Public License
# 
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and/or hardware specification (the "Work") to
# deal in the Work without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Work, and to permit persons to whom the Work
# is furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Work.
# 
# THE WORK IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE WORK OR THE USE OR OTHER DEALINGS
# IN THE WORK.
# 
# }}}
29
30
31
32
33
34
35
36
37
38
39
#
package GeniCMV2;

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

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

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

# Configure variables
my $TB		   = "@prefix@";
my $TBOPS          = "@TBOPSEMAIL@";
78
my $TBLOGS         = "@TBLOGSEMAIL@";
79
80
81
82
83
my $TBAPPROVAL     = "@TBAPPROVALEMAIL@";
my $TBAUDIT   	   = "@TBAUDITEMAIL@";
my $BOSSNODE       = "@BOSSNODE@";
my $OURDOMAIN      = "@OURDOMAIN@";
my $PGENIDOMAIN    = "@PROTOGENI_DOMAIN@";
84
my $ELABINELAB     = "@ELABINELAB@";
85
my $TBBASE         = "@TBBASE@";
86
my $TBDOCBASE      = "@TBDOCBASE@";
87
88
89
90
my $CREATEEXPT     = "$TB/bin/batchexp";
my $ENDEXPT        = "$TB/bin/endexp";
my $NALLOC	   = "$TB/bin/nalloc";
my $NFREE	   = "$TB/bin/nfree";
91
my $TEVC	   = "$TB/bin/tevc";
92
93
94
95
96
97
98
99
100
101
102
103
my $AVAIL	   = "$TB/sbin/avail";
my $PTOPGEN	   = "$TB/libexec/ptopgen";
my $TBSWAP	   = "$TB/bin/tbswap";
my $SWAPEXP	   = "$TB/bin/swapexp";
my $PLABSLICE	   = "$TB/sbin/plabslicewrapper";
my $NAMEDSETUP     = "$TB/sbin/named_setup";
my $VNODESETUP     = "$TB/sbin/vnode_setup";
my $GENTOPOFILE    = "$TB/libexec/gentopofile";
my $TARFILES_SETUP = "$TB/bin/tarfiles_setup";
my $MAPPER         = "$TB/bin/mapper";
my $VTOPGEN        = "$TB/bin/vtopgen";
my $SNMPIT         = "$TB/bin/snmpit";
104
105
my $CLONEIMAGE     = "$TB/sbin/clone_image";
my $CREATEIMAGE    = "$TB/bin/create_image";
106
my $DELETEIMAGE    = "$TB/sbin/delete_image";
107
108
109
110
my $CREATEDATASET  = "$TB/bin/createdataset";
my $DELETEDATASET  = "$TB/bin/deletelease";
my $EXTENDDATASET  = "$TB/bin/extendlease";
my $GRANTDATASET   = "$TB/bin/grantlease";
111
my $APPROVEDATASET = "$TB/bin/approvelease";
112
my $GRANTIMAGE     = "$TB/sbin/grantimage";
113
114
my $WAP            = "$TB/sbin/withadminprivs";
my $SHAREVLAN      = "$TB/sbin/sharevlan";
115
my $PANIC          = "$TB/sbin/panic";
116
my $LINKTEST       = "$TB/sbin/linktest_control";
117
my $XMLLINT	   = "/usr/local/bin/xmllint";
118
my $IMAGEINFO      = "$TB/sbin/imageinfo";
119
my $PRERENDER      = "$TB/libexec/vis/prerender";
120
121
my $IMPORTER       = "$TB/sbin/image_import";
my $POSTIMAGEDATA  = "$TB/sbin/protogeni/postimagedata";
122
my $EMULAB_PEMFILE = "@prefix@/etc/genicm.pem";
123
124
# Just one of these, at Utah.
my $GENICH_PEMFILE = "@prefix@/etc/genich.pem";
125
my $WITHPROVENANCE = @IMAGEPROVENANCE@;
126
my $PROTOGENI_LOCALUSER = @PROTOGENI_LOCALUSER@;
127
my $API_VERSION    = 2;
128
129
130
131
132
133
134
135

#
# 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()
{
136
137
    my @input_rspec_versions = ( "0.1", "0.2", "2", "3", "PG 0.1", "PG 0.2", "PG 2" );
    my @ad_rspec_versions = ( "0.1", "0.2", "2", "3", "PG 0.1", "PG 0.2", "PG 2" );
Gary Wong's avatar
Gary Wong committed
138
139
140
    my $blob = {
	"api" => $API_VERSION,
	"level" => 1,
141
	"input_rspec" => \@input_rspec_versions,
142
	"output_rspec" => "2",
143
	"ad_rspec" => \@ad_rspec_versions
Gary Wong's avatar
Gary Wong committed
144
    };
145
146
    #POSIX::_exit(1);
    #sleep(30);
147
    return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
148
149
150
151
152
153
154
155
}

#
# Respond to a Resolve request. 
#
sub Resolve($)
{
    my ($argref) = @_;
156
157
    my $credentials = $argref->{'credentials'};
    my $urn         = $argref->{'urn'};
158
    my $admin       = 0;
159
    my $isauth	    = 0;
160

161
162
163
164
165
166
    if (! (defined($credentials) && defined($urn))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    if (! GeniHRN::IsValid($urn)) {
	return GeniResponse->MalformedArgsResponse("Invalid URN");
    }
167
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
168
169
170
    return $credential
	if (GeniResponse::IsResponse($credential));

171
172
173
    my ($object, $type) = LookupURN($urn);
    return $object
	if (GeniResponse::IsResponse($object));
174
175
176
177

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

	#
	# See if the component object exists; if not create it.
	#
	my $component = GeniComponent->Lookup($node->uuid());
	if (!defined($component)) {
	    my $certificate = GeniCertificate->Lookup($node->uuid());
	    if (!defined($certificate)) {
		$certificate =
		    GeniCertificate->Create({'urn'  => $myurn,
					     'hrn'  => $myhrn,
					     'email'=> $TBOPS,
					     'uuid' => $node->uuid(),
					     'url'  => $me->url()});
		if (!defined($certificate)) {
		    print STDERR "Could not generate certificate for $node\n";
		    return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					    "Error getting advertisement");
		}
	    }
	    $component = GeniComponent->Create($certificate, $me);
	    if (!defined($component)) {
		print STDERR "Could not create component for $node\n";
		return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					    "Error getting advertisement");
	    }
	}
243
	# Return a blob.
244
	my $blob = { "hrn"          => $myhrn,
245
246
		     "uuid"         => $node->uuid(),
		     "role"	    => $node->role(),
247
248
		     "hostname"     =>
			 GeniUtil::FindHostname($node->node_id()),
249
250
		     "physctrl"     => 
			 Interface->LookupControl($node->phys_nodeid())->IP(),
251
252
253
254
		     "urn"          => $myurn,
		     "rspec"        => $rspec,
		     "url"          => $me->url(),
		     "gid"          => $component->cert(),
255
256
257
258
		   };

	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
259
    if ($type eq "slice") {
260
261
	my $slice = $object;

Leigh B. Stoller's avatar
Leigh B. Stoller committed
262
263
264
265
	#
	# In this implementation, the caller must hold a valid slice
	# credential for the slice being looked up. 
	#
266
267
	if (! ($isauth || $admin ||
	       $slice->urn() eq $credential->target_urn())) {
268
269
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"No permission to resolve $slice\n");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
270
271
	}
	# Return a blob.
272
273
274
275
276
277
278
279
280
281
	my $blob = { "urn" => $urn };

	#
	# We stored an error after a wrapperfork; return that error now.
	#
	if ($slice->async_code()) {
	    $blob->{"async_code"}   = $slice->async_code();
	    $blob->{"async_output"} = $slice->async_output();
	    return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
282
283
284

	my $aggregate = GeniAggregate->SliceAggregate($slice);
	if (defined($aggregate)) {
285
	    $blob->{'sliver_urn'} = $aggregate->urn();
286
287
288
289
	    my $manifest = $aggregate->GetManifest(1);
	    if (defined($manifest)) {
		$blob->{'manifest'}   = $manifest;
	    }
290
291
292
293
294
295
296
297
298
299
300
	    # For key bindings.
	    my $slice_experiment = $slice->GetExperiment();
	    if (!defined($slice_experiment)) {
		print STDERR "*** No Experiment for $slice\n";
	    }
	    else {
		my $bindings;
		if ($slice_experiment->NonLocalUsers(\$bindings)) {
		    print STDERR "*** No bindings for $slice_experiment\n";
		}
		elsif (@{ $bindings }) {
301
		    $blob->{'users'} = $bindings;
302
303
		}
	    }
304
305
306
	    $blob->{'public_url'} =
		"$TBDOCBASE/showslicepub.php?publicid=" . $slice->publicid()
		if (defined($slice->publicid()));
Leigh B. Stoller's avatar
Leigh B. Stoller committed
307
308
309
	}
	my $ticket = GeniTicket->SliceTicket($slice);
	if (defined($ticket)) {
310
	    $blob->{'ticket_urn'} = $ticket->urn();
Leigh B. Stoller's avatar
Leigh B. Stoller committed
311
312
313
314
	}
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
    if ($type eq "sliver") {
315
	my $sliver = $object;
316
317
318
	my $slice  = $sliver->GetSlice();
	return GeniResponse->Create(GENIRESPONSE_ERROR)
	    if (!defined($slice));
319

Leigh B. Stoller's avatar
Leigh B. Stoller committed
320
321
322
323
	#
	# In this implementation, the caller must hold a valid slice
	# or sliver credential for the slice being looked up. 
	#
324
	if (! ($admin || $isauth ||
325
	       $sliver->urn() eq $credential->target_urn() ||
326
327
328
329
330
	       $slice->urn() eq $credential->target_urn())) {
	    print STDERR $sliver->urn() . "\n";
	    print STDERR $slice->urn() . "\n";
	    print STDERR $credential->target_urn() . "\n";
	    print STDERR $ENV{'MYURN'} . "\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
331
332
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN);
	}
333
334
	my $manifest = $sliver->GetManifest(1);
	if (!defined($manifest)) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
335
336
337
338
339
340
	    return GeniResponse->Create(GENIRESPONSE_ERROR);
	}
	# Return a blob.
	my $blob = { "urn"          => $urn,
		     "manifest"     => $manifest,
		 };
341
342
343
344
	$blob->{'public_url'} =
	    "$TBDOCBASE/showslicepub.php?publicid=" . $slice->publicid()
	    if (defined($slice->publicid()));
	
345
346
347
348
349
350
351
352
353
354
355
	# For key bindings.
	my $slice_experiment = $slice->GetExperiment();
	if (!defined($slice_experiment)) {
	    print STDERR "*** No Experiment for $slice\n";
	}
	else {
	    my $bindings;
	    if ($slice_experiment->NonLocalUsers(\$bindings)) {
		print STDERR "*** No bindings for $slice_experiment\n";
	    }
	    elsif (@{ $bindings }) {
356
		$blob->{'users'} = $bindings;
357
358
	    }
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
359
360
361
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $blob);
    }
    if ($type eq "ticket") {
362
363
	my $ticket = $object;

Leigh B. Stoller's avatar
Leigh B. Stoller committed
364
365
366
367
	#
	# In this implementation, the caller must hold a valid slice
	# or sliver credential to get the ticket.
	#
368
	my $slice = GeniSlice->Lookup($ticket->slice_urn());
Leigh B. Stoller's avatar
Leigh B. Stoller committed
369
370
371
372
	if (!defined($slice)) {
	    print STDERR "Could not find slice for $ticket\n";
	    return GeniResponse->Create(GENIRESPONSE_ERROR);
	}
373
	if (! ($admin || $slice->urn() eq $credential->target_urn())) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
374
375
376
377
378
	    #
	    # See if its the sliver credential. 
	    #
	    my $aggregate = GeniAggregate->SliceAggregate($slice);
	    if (!defined($aggregate) ||
379
		$aggregate->urn() ne $credential->target_urn()) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
380
381
382
383
384
		return GeniResponse->Create(GENIRESPONSE_FORBIDDEN());
	    }
	}
	return GeniResponse->Create(GENIRESPONSE_SUCCESS, $ticket->asString());
    }
385
386
    return GeniResponse->Create(GENIRESPONSE_UNSUPPORTED, undef,
				"Cannot resolve $type at this authority");
387
388
389
390
391
392
393
394
}

#
# Discover resources on this component, returning a resource availablity spec
#
sub DiscoverResources($)
{
    my ($argref) = @_;
395
396
397
    my $credentials = $argref->{'credentials'};
    my $available   = $argref->{'available'} || 0;
    my $compress    = $argref->{'compress'} || 0;
398
    my $version     = $argref->{'rspec_version'} || undef;
399
400
401
402

    if (! (defined($credentials))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
403
404
405
406
    my ($credential,$speaksfor,@morecreds) =
	GeniStd::CheckCredentials($credentials);
    return GeniResponse->MalformedArgsResponse("Missing arguments")
	if (!defined($credential));
407
408
    return $credential
	if (GeniResponse::IsResponse($credential));
409

410
    return GeniCM::DiscoverResourcesAux($available, $compress,
411
        $version, [$credential, @morecreds]);
412
413
414
415
416
417
418
419
}

#
# Create a Sliver.
#
sub CreateSliver($)
{
    my ($argref) = @_;
420
421
422
423
424
    my $slice_urn    = $argref->{'slice_urn'};
    my $rspecstr     = $argref->{'rspec'};
    my $credentials  = $argref->{'credentials'};
    my $keys         = $argref->{'keys'};
    my $impotent     = $argref->{'impotent'} || 0;
425
    my $usetracker   = $argref->{'usetracker'} || 0;
426
427
428
    my $async        = $argref->{'asyncmode'} || 0;
    my $mypid        = $PID;
    my $cachedebug   = 0;
429
430
431
    my $rspec;
    my $response;
    my $retval;
432
433
    require Node;
    require Experiment;
434
435
    require libtestbed;
    require libaudit;
436

437
    # For now, I am not worrying about the slice_urn argument.
438
439
    if (! (defined($credentials) &&
	   defined($slice_urn) && defined($rspecstr))) {
440
441
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
442
443
444
445
446
447
    if (! ($rspecstr =~ /^[\040-\176\012\015\011]+$/)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in rspec");
    }
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
448
449
    my ($credential,$speaksfor,@morecreds) =
	GeniStd::CheckCredentials($credentials);
450
451
    return $credential
	if (GeniResponse::IsResponse($credential));
452

453
    main::AddLogfileMetaData("slice_urn", $slice_urn);
454
455
456
457
458
459

    my $user = GeniCM::CreateUserFromCertificate($credential);
    if (GeniResponse::IsResponse($user)) {
	print STDERR "Could not create geni user for $credential\n";
	return $user;
    }
460
    
461
462
463
464
465
466
467
    #
    # In this implementation, the user must provide a slice credential,
    # so we ignore the slice_urn. For CreateSliver(), the slice must not
    # be instantiated.
    #
    my ($slice,$aggregate) = Credential2SliceAggregate($credential);
    if (defined($slice)) {
468
469
470
	return $slice
	    if (GeniResponse::IsResponse($slice));

471
472
473
474
	if ($slice_urn ne $slice->urn()) {
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"Credential does not match the URN");
	}
475
	main::AddLogfileMetaDataFromSlice($slice);
476
	
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
	#
	# Watch for a placeholder slice and update it.
	#
	if ($slice->isplaceholder()) {
	    if ($slice->Lock() != 0) {
		return GeniResponse->BusyResponse();
	    }
	    #
	    # Confirm that the slice certificate is the same.
	    #
	    if ($slice->cert() ne $credential->target_cert()->cert()) {
		$slice->UnLock();
		return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
					    "Slice certificate mismatch");
	    }
	    if ($slice->ConvertPlaceholder($user) != 0) {
		$slice->UnLock();
		return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
					    "Could not convert placeholder");
	    }
	    $slice->UnLock();
	}
499
500
501
502
503
	if (defined($aggregate)) {
	    return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					"Must delete existing slice first");
	}
    }
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
    else {
	#
	# Create the slice here so we can lock it for the duration.
	#
	$slice = GeniCM::CreateSliceFromCertificate($credential, $user);
	return $slice
	    if (GeniResponse::IsResponse($slice));
    }
    main::AddLogfileMetaDataFromSlice($slice);
    
    #
    # Just in case a SliceStatus() snuck in ...
    #
    if ($slice->WaitForLock(10) != 0) {
	print STDERR "CreateSliver: Could not lock $slice\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
				    "Internal Error locking slice");
    }
    eval {$rspec = GeniCM::GetTicketAux({"credential" => $credential,
					 "rspecstr"   => $rspecstr,
					 "isupdate"   => 0,
					 "impotent"   => $impotent,
					 "v2"         => 1,
					 "level"      => 0,
					 "usetracker" => $usetracker,
					 "ticket"     => undef,
					 "speaksfor"  => $speaksfor,
					 "morecreds"  => \@morecreds,
					 "async"      => $async,
					 "slice"      => $slice}); };
    if ($@) {
	# Cons up a response for the check below.
	$rspec = GeniResponse->Create(GENIRESPONSE_SERVERERROR, undef,
				      "Internal Error: $@");
	if ($async) {
	    $slice->SetAsyncError($rspec);
	}
    }

    #
    # Slice is returned locked, but if we got an error and are going to
    # give up, then be sure to unlock it so we can kill it.
    #
547
548
    if ($async) {
	if ($PID == $mypid) {
549
550
551
552
553
	    # Did not fork or we are the parent, so we just return the response.
	    if (GeniResponse::IsResponse($rspec)) {
		$slice->UnLock();
		return $rspec;
	    }
554
555
556
557
	}
	else {
	    # Forked, return status code only for failure, otherwise
	    # we keep on going.
558
559
560
561
	    if (GeniResponse::IsError($rspec)) {
		$slice->UnLock();
		return $rspec->{'code'};
	    }
562
563
564
	}
    }
    else {
565
566
567
568
569
570
571
572
	if (GeniResponse::IsResponse($rspec)) {
	    #
	    # Depending on how this failed, we might not have a slice
	    # any more. But okay to call UnLock() on it, harmless.
	    #
	    $slice->UnLock();
	    return $rspec;
	}
573
    }
574

575
576
577
578
579
580
581
582
583
584
585
586
    #
    # If we got a cert/key, record them for the slice. This is a
    # generic openssl key/cert that is stored on the nodes (and from
    # which an ssh key pair can be derived).
    #
    if (exists($argref->{'certificate'}) || exists($argref->{'key'})) {
	$slice->AddGenericCert((exists($argref->{'certificate'}) ?
				$argref->{'certificate'} : undef),
			       (exists($argref->{'key'}) ?
				$argref->{'key'} : undef));
    }

587
588
589
    # Make sure that the next phase sees all changes.
    Experiment->FlushAll();
    Node->FlushAll();
590
591
592
593
    if ($cachedebug) {
	GeniUtil::DumpCaches();
	emutil::DumpCaches();
    }
594

595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
    eval { $response =
	       GeniCM::SliverWorkAux({"credential"  => $credential,
				      "object"      => $rspec,
				      "keys"        => $keys,
				      "isupdate"    => 0,
				      "impotent"    => $impotent,
				      "v2"          => 1,
				      "level"       => 0,
				      "speaksfor"   => $speaksfor,
				      # Currently locked, leave it locked.
				      "nolock"      => 1}); };
    if ($@) {
	# Cons up a response for the check below.
	$response = GeniResponse->Create(GENIRESPONSE_SERVERERROR, undef,
					 "Internal Error: $@");
    }
611

612
613
614
615
616
617
618
    if (GeniResponse::IsError($response)) {
	#
	# We have to make sure there is nothing left over since there
	# is no actual ticket, so the resources will not get cleaned
	# up by the daemon. This is mostly cause I am reaching into
	# the V1 code, and its messy.
	#
619
620
621
622
623
624
	my $tmp = GeniSlice->Lookup($credential->target_urn());
	if (defined($tmp)) {
	    #
	    # If SliverWork() killed the slice, nothing more to do.
	    # Otherwise, it is still locked.
	    #
625
626
627
628
629
630
631
632
633
634
635
	    # In async mode store off error info.
	    if ($async) {
		$slice->SetAsyncError($response);
	    }
	    # In async mode we are going to leave the slice record around
	    # so the client can pickup the error info.
	    GeniCM::CleanupDeadSlice($slice, !$async);
	    # And unlock since it still exists.
	    if ($async) {
		$slice->UnLock();
	    }
636
	}
637
	return $response;
638
639
    }
    #
640
    # Slice is still locked.
641
    #
642
643
644
    my ($sliver_credential) = @{ $response->{'value'} };

    # This should never happen
645
    $aggregate = GeniAggregate->SliceAggregate($slice);
646
647
648
    if (!defined($aggregate)) {
	print STDERR "CreateSliver: Could not find aggregate for $slice\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR, undef,
649
				    "Internal Error, no aggregate for slice");
650
    }
651
652
653
    # We get the manifest from the aggregate object, so that the
    # expiration goes in.
    my $sliver_manifest = $aggregate->GetManifest(1);
654

655
656
    # Free this possibly massive XML structure, we do not need it anymore.
    undef $rspec;
657
658
    # Purge all the XML objects from the slivers, we do not need them again.
    GeniSliver->PurgeRspecs();
659

660
661
    #
    # At this point we want to return and let the startsliver proceed
662
    # in the background. Parent never returns, just the child.
663
    #
664
665
666
667
668
669
670
    # But in async mode, GetTicketAux has already forked, so do not do
    # it again here. 
    #
    if (!$async) {
	$mypid = main::WrapperFork();
	if ($mypid) {
	    return GeniResponse->Create(GENIRESPONSE_SUCCESS,
671
				    [$sliver_credential, $sliver_manifest]);
672
	}
673
    }
674

675
676
677
    # Make sure that the next phase sees all changes.
    Experiment->FlushAll();
    Node->FlushAll();
678
679
680
681
    if ($cachedebug) {
	GeniUtil::DumpCaches();
	emutil::DumpCaches();
    }
682

683
684
685
686
687
688
    #
    # The callee might also do a wrapper fork, so remember our PID
    # to make sure we unlock properly in only the parent side of the
    # fork. Child runs with slice unlocked for now. 
    #
    $mypid = $PID;
689
690
691
692
693
694
695
696
697
698
699
700
701
702

    eval { $retval = $aggregate->Start($API_VERSION); };
    if ($@) {
	#
	# This will cause the slice status to be failure.
	#
	$aggregate->SetBootFailure(GENIRESPONSE_SERVERERROR);
	$aggregate->SetErrorLog("Internal Error: $@");
	$retval = -1;
    }
    if ($retval) {
	print STDERR "Could not start sliver.\n";
	
	# Only parent unlocks.
703
704
705
	if ($PID == $mypid) {
	    $slice->UnLock();
	}
706
707
708
709
	if ($cachedebug) {
	    GeniUtil::DumpCaches();
	    emutil::DumpCaches();
	}
710
	return -1;
711
    }
712
    # Only parent unlocks.
713
714
715
    if ($PID == $mypid) {
	$slice->UnLock();
    }
716
717
718
719
    if ($cachedebug) {
	GeniUtil::DumpCaches();
	emutil::DumpCaches();
    }
720
    return 0;
721
722
723
724
725
726
}

#
# Delete a Sliver.
#
sub DeleteSliver($)
727
728
729
730
731
732
733
734
735
736
737
738
{
    my ($argref) = @_;
    my $sliver_urn   = $argref->{'sliver_urn'};
    my $credentials  = $argref->{'credentials'};
    my $impotent     = $argref->{'impotent'} || 0;

    if (! (defined($credentials) && defined($sliver_urn))) {
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
    if (! GeniHRN::IsValid($sliver_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
739
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
740
741
742
743
744
745
746
747
    return $credential
	if (GeniResponse::IsResponse($credential));

    #
    # In this implementation, the user must provide a slice or sliver
    # credential
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
748
749
750
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));
    
751
752
753
754
755
756
757
758
759
    if (! (defined($slice) && defined($aggregate))) {
	return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED, undef,
				    "Sliver does not exist");
    }
    if ($sliver_urn ne $aggregate->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
    }

760
761
762
    if ($slice->Lock() != 0) {
	return GeniResponse->BusyResponse();
    }
763
    # If a monitor process is running, we are "busy".
764
    GeniCM::CheckMonitor($slice);
765
    if ($slice->monitor_pid()) {
766
	$slice->UnLock();
767
768
	return GeniResponse->MonitorResponse();
    }
769
    
770
771
772
773
774
    # If any slivers are imaging, then we are busy as well.
    if ($aggregate->CheckSliverStates("imaging")) {
	$slice->UnLock();
	return GeniResponse->BusyResponse();
    }
775
776
777
778
    
    main::AddLogfileMetaData("sliver_urn", $sliver_urn);
    main::AddLogfileMetaDataFromSlice($slice);
    
779
780
781
782
783
    #
    # We need this below to sign the ticket.
    #
    my $authority = GeniCertificate->LoadFromFile($EMULAB_PEMFILE);
    if (!defined($authority)) {
784
	print STDERR " Could not load $EMULAB_PEMFILE\n";
785
	$slice->UnLock();
786
787
788
789
790
791
	return GeniResponse->Create(GENIRESPONSE_ERROR);
	
    }
    #
    # We need the user to sign the new ticket to. 
    #
792
    my $user = GeniCM::CreateUserFromCertificate($credential);
793
794
795
796
    if (GeniResponse::IsResponse($user)) {
	$slice->UnLock();
	return $user;
    }
797
798
    
    my $response = GeniCM::DeleteSliverAux($credential, $impotent, 1);
799
800
801
802
    if (GeniResponse::IsResponse($response)) {
	$slice->UnLock();
	return $response;
    }
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817

    #
    # In the v2 API, return a new ticket for the resources
    # (which were not released). As with all tickets, it will
    # expire very quickly. 
    #
    #
    # Create a new ticket from the manifest.
    #
    my $manifest = $aggregate->GetManifest(0);
    if (!defined($manifest)) {
	print STDERR "No manifest found for $aggregate\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
818
819
    my $ticket = GeniTicket->Create($authority, $user,
				    GeniXML::Serialize($manifest));
820
821
822
823
824
    if (!defined($ticket)) {
	print STDERR "Could not create new ticket for $slice\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
825
    $ticket->SetSlice($slice);
826
827
    $ticket->SetSpeaksFor($speaksfor)
	if (defined($speaksfor));
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
    
    if ($ticket->Sign()) {
	$ticket->Delete();
	print STDERR "Could not sign new ticket $ticket\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
    if ($ticket->Store()) {
	$ticket->Delete();
	print STDERR "Could not store new ticket $ticket\n";
	$response = GeniResponse->Create(GENIRESPONSE_ERROR);
	goto bad;
    }
    my $slice_uuid = $slice->uuid();
    DBQueryWarn("delete from geni_manifests ".
		"where slice_uuid='$slice_uuid'");
    $slice->UnLock();
    return GeniResponse->Create(GENIRESPONSE_SUCCESS, $ticket->asString());

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

#
# Delete a Slice
#
sub DeleteSlice($)
858
859
{
    my ($argref) = @_;
860
861
862
    my $slice_urn    = $argref->{'slice_urn'};
    my $credentials  = $argref->{'credentials'};
    my $impotent     = $argref->{'impotent'} || 0;
863
    my $cancel       = 0;
864
    my $blocking     = 0;
865
    my $canceled     = 0;
866

867
    if (! (defined($credentials) && defined($slice_urn))) {
868
869
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
870
871
872
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
873
874
875
    if (exists($argref->{'blocking'}) && $argref->{'blocking'}) {
	$blocking = 1;
    }
876
877
878
    if (exists($argref->{'cancel'}) && $argref->{'cancel'}) {
	$cancel = 1;
    }
879
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
880
881
    return $credential
	if (GeniResponse::IsResponse($credential));
882

883
884
885
886
    #
    # In this implementation, the user must provide a slice credential.
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
887
888
889
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));

890
891
892
893
    if (! defined($slice)) {
	return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED, undef,
				    "No such slice here");
    }
894
    main::AddLogfileMetaDataFromSlice($slice);
895
    
896
897
898
899
    if ($slice_urn ne $slice->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
    }
900
901
902
903
    if ($slice->lockdown()) {
	return GeniResponse->Create(GENIRESPONSE_REFUSED(), undef,
				    "Slice is locked down");
    }
904
905
906
    if ($slice->Lock() != 0) {
	return GeniResponse->BusyResponse();
    }
907
908

    #
909
910
911
912
913
914
915
916
    # If a monitor process is running, then the slice is busy.
    # This might mean that the user will not be able to delete
    # the slice for a long time, but we are having problems with
    # users canceling slices before they finish setting up, and
    # the XEN client side is not handling this very well. Note that
    # the cleanupslice script calls GeniCM::CleanupDeadSlice()
    # directly, which *does* kill the monitor, so admin cleanup
    # is not affected.
917
    #
918
    GeniCM::CheckMonitor($slice);
919
    if ($slice->monitor_pid()) {
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
	if (!$cancel) {
	    $slice->UnLock();
	    return GeniResponse->MonitorResponse()
	}
	    
	#
	# But what we can do is set the cancel flag, which the monitor is
	# checking each time through the loop. This will cause it to stop
	# rebooting timed out nodes, and quit earlier. The caller will not
	# have to retry as long. 
	#
	my $slice_experiment = $slice->GetExperiment();
	if (defined($slice_experiment)) {
	    $slice_experiment->SetCancelFlag(1);
	}
	print STDERR "Canceling the monitor (" . $slice->monitor_pid() . ")\n";
	$canceled = 1;
937
    }
938
    # If any slivers are imaging, then we are busy as well.
939
    elsif (defined($aggregate) &&
Leigh B Stoller's avatar
Leigh B Stoller committed
940
	$aggregate->CheckSliverStates("imaging")) {
941
942
943
	$slice->UnLock();
	return GeniResponse->BusyResponse();
    }
944
945
946
947
948

    #
    # Proceed in the background. No reason to make the caller wait,
    # it takes too long.
    #
949
950
951
952
953
    if (!$blocking) {
	my $mypid = main::WrapperFork();
	if ($mypid) {
	    return GeniResponse->Create(GENIRESPONSE_SUCCESS);
	}
954
    }
955
956
957
958
959
960
961
962
963
964
    #
    # If we were canceled, we wait for the monitor to stop, instead of
    #
    if ($canceled) {
	while ($slice->monitor_pid()) {
	    sleep(10);
	    GeniCM::CheckMonitor($slice);
	    print STDERR "Checking to see if monitor has stopped ...\n";
	}
    }
965
966
    my $retval = GeniCM::CleanupDeadSlice($slice, 1);
    if ($retval) {
967
968
969
970
971
972
        #wvdemeer: Something went wrong deleting the slice.
        #          But we have a taken a lock above.
        #          So we need to unlock, or retry becomes impossible and the slice stays locked forever.
        #          If all is successfull, unlock is apparently not needed, I assume this is because the lock is deleted along with the slice.
        $slice->UnLock();

973
974
975
	return -1
	    if (!$blocking);
	return GeniResponse->Create(GENIRESPONSE_ERROR);
976
    }
977
978
979
    return 0
	if (!$blocking);
    return GeniResponse->Create(GENIRESPONSE_SUCCESS);
980
981
982
983
984
985
986
987
}

#
# Get a Sliver (credential)
#
sub GetSliver($)
{
    my ($argref) = @_;
988
989
    my $slice_urn    = $argref->{'slice_urn'};
    my $credentials  = $argref->{'credentials'};
990

991
    if (! (defined($credentials) && defined($slice_urn))) {
992
993
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
994
995
996
    if (! GeniHRN::IsValid($slice_urn)) {
	return GeniResponse->MalformedArgsResponse("Bad characters in URN");
    }
997
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
998
999
1000
    return $credential
	if (GeniResponse::IsResponse($credential));

1001
1002
1003
1004
    #
    # In this implementation, the user must provide a slice credential.
    #
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
1005
1006
1007
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));

1008
    if (! (defined($slice) && defined($aggregate))) {
1009
	return GeniResponse->Create(GENIRESPONSE_SEARCHFAILED, undef,
1010
1011
1012
1013
1014
1015
				    "No slice or aggregate here");
    }
    if ($slice_urn ne $slice->urn()) {
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
				    "Credential does not match the URN");
    }
1016
    return GeniCM::GetSliverAux($credential);
1017
1018
1019
}

#
1020
# Start a sliver (not sure what this means yet, so reboot for now).
1021
#
1022
sub StartSliver($)
1023
1024
{
    my ($argref) = @_;
1025
    my $slice_urn    = $argref->{'slice_urn'};
1026
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
1027
    my $credentials  = $argref->{'credentials'};
1028
    my $manifest     = $argref->{'manifest'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1029
    
1030
    return SliverAction("start",
1031
			$slice_urn, $sliver_urns, $credentials, $manifest, 0);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1032
1033
1034
1035
1036
1037
}

sub StopSliver($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
1038
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1039
1040
    my $credentials  = $argref->{'credentials'};

1041
    return SliverAction("stop",
1042
			$slice_urn, $sliver_urns, $credentials, undef, 0);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1043
1044
1045
1046
1047
1048
}

sub RestartSliver($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
1049
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1050
    my $credentials  = $argref->{'credentials'};
1051
    my $manifest     = $argref->{'manifest'};
1052
1053
    my $asyncmode    = (exists($argref->{'asyncmode'}) ?
			$argref->{'asyncmode'} : 0);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1054

1055
    return SliverAction("restart",
1056
1057
			$slice_urn, $sliver_urns, $credentials, $manifest,
			$asyncmode);
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1058
}
1059

1060
1061
1062
1063
1064
1065
1066
1067
sub ReloadSliver($)
{
    my ($argref) = @_;
    my $slice_urn    = $argref->{'slice_urn'};
    my $sliver_urns  = $argref->{'sliver_urns'} || $argref->{'component_urns'};
    my $credentials  = $argref->{'credentials'};

    return SliverAction("reload",
1068
			$slice_urn, $sliver_urns, $credentials, undef, 0);
1069
1070
}

1071
sub SliverAction($$$$$$)
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1072
{
1073
1074
    my ($action, $slice_urn, $sliver_urns, $credentials,
	$manifest, $asyncmode) = @_;
1075
    my $response;
1076
    my $isasync = 0;
1077

1078
1079
    if (! (defined($credentials) &&
	   (defined($slice_urn) || defined($sliver_urns)))) {
1080
1081
	return GeniResponse->MalformedArgsResponse("Missing arguments");
    }
1082
    my ($credential,$speaksfor) = GeniStd::CheckCredentials($credentials);
1083
1084
1085
1086
1087
1088
1089
1090
    return $credential
	if (GeniResponse::IsResponse($credential));

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

1091
1092
1093
1094
1095
1096
1097
1098
1099
    if (defined($manifest)) {
	$manifest = GeniXML::Parse($manifest);
	if (!defined($manifest)) {
	    print STDERR "Error reading manifest\n";
	    return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
					"Bad manifest");
	}
    }
    
1100
1101
1102
    #
    # For now, only allow top level aggregate or the slice
    #
1103
    my ($slice, $aggregate) = Credential2SliceAggregate($credential);
1104
1105
    return $slice
	if (defined($slice) && GeniResponse::IsResponse($slice));
Srikanth's avatar
Srikanth committed
1106

1107
1108
1109
1110
    #
    # I think this allows the CM to perform an action without
    # the slice credential?
    #
1111
1112
1113
1114
1115
    if ( (!defined($slice)) && 
          ($credential->target_urn() =~ /\+authority\+cm$/)) {
          # administrative credentials are presented.
          my $cm_urn = GeniHRN::Generate($OURDOMAIN, "authority", "cm");
          if ($cm_urn != $credential->target_urn()) {
Srikanth's avatar
Srikanth committed
1116
            return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
1117
1118
1119
1120
                      "Credential target does not match CM URN");
          }

      if (!defined($slice_urn)) {
Srikanth's avatar
Srikanth committed
1121
1122
          return GeniResponse->MalformedArgsResponse("Missing arguments");
      }       
1123
1124
1125
1126
1127
1128
1129
1130
      $slice = GeniSlice->Lookup($slice_urn);
      return GeniResponse->Create(GENIRESPONSE_ERROR, undef, 
                "No Slice with urn $slice_urn here")
          if (!defined($slice));
      $aggregate = GeniAggregate->SliceAggregate($slice);
      return GeniResponse->Create(GENIRESPONSE_ERROR, undef, 
                      "No Aggregate here")
          if (!defined($aggregate));
Srikanth's avatar
Srikanth committed
1131
    } 
1132

1133
1134
1135
1136
    if (! (defined($slice) && defined($aggregate))) {
	return GeniResponse->Create(GENIRESPONSE_BADARGS, undef,
				    "No slice or aggregate here");
    }
1137
1138
    main::AddLogfileMetaDataFromSlice($slice);

1139
1140
    if (defined($slice_urn)) {
	if (! GeniHRN::IsValid($slice_urn)) {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1141
1142
	    return
		GeniResponse->MalformedArgsResponse("Bad characters in URN");
1143
	}
1144
1145
1146
	if ($slice_urn ne $slice->urn()) {
	    return GeniResponse->Create(GENIRESPONSE_FORBIDDEN(), undef,
					"Credential does not match the URN");
1147
	}
1148
1149
1150
1151
    }
    if ($slice->Lock() != 0) {
	return GeniResponse->BusyResponse();
    }
1152
1153
1154
1155
1156
1157
    # If a monitor process is running, we are "busy".
    GeniCM::CheckMonitor($slice);
    if ($slice->monitor_pid()) {
	$slice->UnLock();
	return GeniResponse->MonitorResponse();
    }
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
    # Shutdown slices get nothing.
    if ($slice->shutdown()) {
	$slice->UnLock();
	return GeniResponse->Create(GENIRESPONSE_FORBIDDEN, undef,
				    "Slice has been shutdown");
    }
    if ($aggregate->ComputeState()) {
	$slice->UnLock();
	print STDERR "Could not determine current state\n";
	return GeniResponse->Create(GENIRESPONSE_ERROR);
    }
    my $CheckState = sub {
	my ($object, $action) = @_;

Leigh B. Stoller's avatar
Leigh B. Stoller committed
1172
	if ($action eq "start") {
1173
1174
	    if ($object->state() ne "stopped" && $object->state() ne "new"
		&& $object->state() ne "mixed") {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1175
1176
1177
1178
1179
		return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					    "Sliver is not stopped (yet)");
	    }
	}
	elsif ($action eq "stop") {
1180
	    if ($object->state() ne "started" && $object->state() ne "mixed") {
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1181
1182
1183
1184
1185
		return GeniResponse->Create(GENIRESPONSE_REFUSED, undef,
					    "Sliver is not started (yet)");
	    }
	}
	elsif ($action eq "restart") {