ptopgen.in 26.3 KB
Newer Older
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1
#!/usr/bin/perl -w
Leigh B. Stoller's avatar
Leigh B. Stoller committed
2
3
4

#
# EMULAB-COPYRIGHT
Timothy Stack's avatar
   
Timothy Stack committed
5
# Copyright (c) 2000-2005 University of Utah and the Flux Group.
Leigh B. Stoller's avatar
Leigh B. Stoller committed
6
7
8
# All rights reserved.
#

9
10
use English;
use Getopt::Std;
11
use Math::BigInt;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
12

13
14
sub usage()
{
Leigh B. Stoller's avatar
Leigh B. Stoller committed
15
16
    print("Usage: ptopgen [-v] [-s switch] [-p pid [-e eid]] [-m factor] " .
	  "[-n c/e]\n".
17
	  "       -p include nodes the project has permission to use\n".
18
	  "       -e include given experiments resources\n" .
19
20
	  "          in the ptopfile (as if they were free)\n" .
	  "       -v Include stuff for topologies with virtual nodes\n".
21
	  "       -r Include stuff for topologies with widearea nodes\n".
22
	  "       -s Include stuff for topologies with simulated nodes\n".
23
	  "       -a Include even reserved nodes\n".
Leigh B. Stoller's avatar
Leigh B. Stoller committed
24
	  "       -m Override multiplex_factor\n".
25
	  "       -u Prune unused interfaces of allocated nodes (-e)\n".
26
	  "       -c Delay capacity override\n".
Leigh B. Stoller's avatar
Leigh B. Stoller committed
27
	  "       -n Add in modelnet core and edge node features\n");
28
29
    exit(-1);
}
30
my $optlist = "s:e:m:vp:rSan:c:u";
31
my $mfactor;
32
my $virtstuff = 0;
33
my $widearea  = 0;
34
my $simstuff  = 0;
35
my $allnodes  = 0;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
36
37
my $mnetcores = 0;
my $mnetedges = 0;
38
my $prune     = 0;
39
my $delaycap_override;
40

41
42
43
44
#
# Turn off line buffering on output
#
$| = 1;
45
46
47
48
49
50
51
52
53
54
55
56

# Settings - Change these to your particular network.

#
# Also bogus. The interfaces table does not hold entries for the switch
# side of each link. It will have to at some point, when we have something
# other than 100Mbs ports (say, gbit ports).
#
# Speed in in Kbs!
#
my $default_switchport_speed    = 100000;

57
58
59
60
61
62
#
# Yet more bogosity - we hardcode this weight, which is given to wide-area
# (primarily plab) nodes to prefer spreading across sites
#
my $site_weight = 0.99;

63
64
######################################################################

65
my $TBROOT = "@prefix@";
66
use lib '@prefix@/lib';
67
require exitonwarn;
68
use libdb;
Kevin Atkinson's avatar
Kevin Atkinson committed
69
70
71
use libtblog;

tblog_stop_capture('stdout');
Leigh B. Stoller's avatar
Leigh B. Stoller committed
72

73
74
my $TRACK_INTERSWITCH_BANDWIDTH = "@TRACK_INTERSWITCH_BANDWIDTH@";

75
76
77
my %switches	  = ();
my %used_switches = ();
my %permissions   = ();
78
79
my %typemap       = ();
my %auxtypemap    = ();
Timothy Stack's avatar
   
Timothy Stack committed
80
my %areamap       = ();
81

82
83
84
my $DEADPID = NODEDEAD_PID();
my $DEADEID = NODEDEAD_EID();

85
my $pid;
86
my $exempt_eid;
87
my $switchtouse;
88

89
90
91
92
93
94
95
96
97
98
99
100
101
102
#
# Parse command arguments. Once we return from getopts, all that should be
# left are the required arguments.
#
%options = ();
if (! getopts($optlist, \%options)) {
    usage();
}
if (@ARGV) {
    usage();
}
if (defined($options{"s"})) {
    $switchtouse = $options{"s"};
}
103
104
105
if (defined($options{"m"})) {
    $mfactor = $options{"m"};
}
106
107
108
if (defined($options{"v"})) {
    $virtstuff = 1;
}
109
110
111
if (defined($options{"r"})) {
    $widearea = 1;
}
112
113
114
if (defined($options{"S"})) {
    $simstuff = 1;
}
115
116
117
if (defined($options{"p"})) {
    $pid = $options{"p"};
}
118
119
120
if (defined($options{"a"})) {
    $allnodes = 1;
}
121
122
123
if (defined($options{"u"})) {
    $prune = 1;
}
124
125
126
if (defined($options{"c"})) {
    $delaycap_override = $options{"c"};
}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
127
128
129
130
131
132
133
134
135
if (defined($options{"n"})) {
    if ($options{"n"} =~ /(\d*),(\d*)/) {
	$mnetcores = $1;
	$mnetedges = $2;
    }
    else {
	usage();
    }
}
136
if (defined($options{"e"})) {
137
138
139
    $exempt_eid = $options{"e"};
    usage()
	if (!defined($pid));
140
}
141
142
usage()
    if ($prune && !defined($exempt_eid));
143

144
# Read class/type maps
145
my $result =
146
    DBQueryFatal("select class,type,delay_capacity,".
147
		 "   virtnode_capacity,isvirtnode,simnode_capacity, " .
148
		 "   speed, RAM, trivlink_maxspeed, imageable, osid ".
149
		 "from node_types");
150
while (($class,$type,$delaycapacity,
151
152
	$virtcapacity,$isvirt,$simcapacity, $speed, $ram, $trivspeed,
	$imageable, $osid)
153
	    = $result->fetchrow_array) {
154
155
156
157
    $map = {};
    $map->{'CLASS'}    = $class;
    $map->{'DELAYCAP'} = $delaycapacity;
    $map->{'VIRTCAP'}  = $virtcapacity;
158
    $map->{'SIMCAP'}   = $simcapacity;
159
    $map->{'ISVIRT'}   = $isvirt;
160
161
    $map->{'SPEED'}    = $speed;
    $map->{'RAM'}      = $ram;
162
163
    $map->{'OSID'}     = $osid;
    $map->{'IMAGEABLE'}= $imageable;
164
    $map->{'TRIVSPEED'}= $trivspeed;
165
166
167
    $map->{'FEATURES'} = [];
    $map->{'AUXTYPES'} = {};
    $typemap{$type} = $map;
168
169
170
171
172
173

    # Default is permission to use all types,classes. 
    $permissions{$class} = 1;
    $permissions{$type}  = 1;
}

Timothy Stack's avatar
   
Timothy Stack committed
174
175
# Read node_startloc
$result = DBQueryFatal("select node_id,building from node_startloc");
Timothy Stack's avatar
   
Timothy Stack committed
176
while (($node,$building) = $result->fetchrow_array) {
Timothy Stack's avatar
   
Timothy Stack committed
177
    $areamap{$node} .= " area-$building:0";
Timothy Stack's avatar
   
Timothy Stack committed
178
179
}

180
181
182
183
184
#
# Read the features table for each type.
# 
$result = DBQueryFatal("select type, feature, weight from node_type_features");
while (my ($type, $feature, $weight) = $result->fetchrow()) {
185
186
187
188
189
190
191
192
193
194
    push(@{$typemap{$type}->{'FEATURES'}}, "$feature:$weight");
}

#
# Read the auxtypes for each type.
# 
$result = DBQueryFatal("select auxtype,type from node_types_auxtypes");
while (my ($auxtype,$type) = $result->fetchrow()) {
    $typemap{$type}->{'AUXTYPES'}->{$auxtype} = 1;
    $auxtypemap{$auxtype} = $type;
195
196
}

197
198
199
200
201
202
203
204
205
206
207
208
#
# Read the features table for each individual node
#
$result = DBQueryFatal("select node_id, feature, weight from node_features");
while (my ($node_id, $feature, $weight) = $result->fetchrow()) {
    if (! defined($features{$node_id})) {
	$features{$node_id} = ["$feature:$weight"];
	next;
    } else {
	push @{$features{$node_id}}, "$feature:$weight";
    }
}
209
210
211
212
213
214
215
216
217
#
# Read in the node_auxtypes table for each node.
#
$result = DBQueryFatal("select node_id, type, count from node_auxtypes");
while (my ($node_id, $type, $count) = $result->fetchrow()) {
    if (! defined($auxtypes{$node_id})) {
	$auxtypes{$node_id} = ["$type:$count"];
	next;
    }
218
    push @{$auxtypes{$node_id}}, "$type:$count";
219
}
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
#
# Read the permission table if given a pid. If there is an entry in
# the table for a type/class, then permission is granted only if there
# is a record with the pid. If not, remove the permission granted above.
# 
if (defined($pid)) {
    $result =
	DBQueryFatal("select type from nodetypeXpid_permissions");
    
    while (my ($type) = $result->fetchrow_array) {
	$permissions{$type} = 0;
    }
    
    $result =
	DBQueryFatal("select type from nodetypeXpid_permissions ".
		     "where pid='$pid'");
    
    while (my ($type) = $result->fetchrow_array) {
	$permissions{$type} = 1;
    }
240
241
}

242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
#
# Read the table of which image types are supported on which hardware - we
# limit this to global images and ones that match the PID (if given) We do this
# limiting for two reasons:
# 1) To avoid an explosion in the number of features for nodes
# 2) To avoid information leaks, allowing projects to see each other's images
# 
my $osidquery = "select distinct o.osid, oi.type from os_info as o " .
	"left join osidtoimageid as oi on o.osid = oi.osid " .
	"left join images as i on oi.imageid = i.imageid ".
	"where i.global = 1";
if ($pid) {
    $osidquery .= " or i.pid='$pid'";
}

my %node_type_osids;
my %osid_node_types;
$result = DBQueryFatal($osidquery);
while (my ($osid,$type) = $result->fetchrow()) {
    if ($node_type_osids{$type}) {
	push @{$node_type_osids{$type}}, $osid;
    } else {
	$node_type_osids{$type} = [$osid];
    }
    #
    # We have to maintain a data structure telling us which types an OSID could
    # be on for use below with generic OSIDs
    #
    if ($osid_node_types{$osid}) {
	push @{$osid_node_types{$osid}}, $type;
    } else {
	$osid_node_types{$osid} = [$type];
    }
}

#
# We also have to resolve the 'generic' OSIDs, which use the nextosid field to
# redirect to another OSID
#
281
$result = DBQueryFatal("select osid from os_info where " .
282
    "nextosid is not null");
283
while (my ($osid) = $result->fetchrow()) {
284
285
286
    #
    # Check to see if they were allowed to use the real OSID
    #
287
    my $realosid = TBResolveNextOSID($osid, $pid, $exempt_eid);
288
289
    if ($osid_node_types{$realosid}) {
	foreach my $type (@{$osid_node_types{$realosid}}) {
290
291
292
293
294
	    push @{$node_type_osids{$type}}, $osid;
	}
    }
}

295
# Print switches
296
if (defined($switchtouse)) {
297
    print "node $switchtouse switch:1 *lan:*\n";
298
299
300
301
302
303
304
    $switches{$switchtouse} = 1;
}
else {
    $result =
	DBQueryFatal("select node_id from nodes where role = \"testswitch\"");

    while (($switch) = $result->fetchrow_array) {
305
	print "node $switch switch:1 *lan:*\n";
306
307
	$switches{$switch} = 1;
    }
308
}
309

310
# Find available nodes.
311
#
312
313
# This first query deals with just local nodes. Local nodes can host
# virtnodes, according to the delay_capacity in the types table. 
314
#
315

316
# the ordinary free condition for a local node.
317
318
my $free_condition = "(b.node_id is null and ".
                     " (np.eventstate='" . TBDB_NODESTATE_ISUP . "' or ".
319
                     "  np.eventstate='" . TBDB_NODESTATE_PXEWAIT . "' or ".
320
                     "  np.eventstate='" . TBDB_NODESTATE_POWEROFF . "' or ".
321
                     "  np.eventstate='" . TBDB_NODESTATE_ALWAYSUP . "')) ";
322
323
324
325
326

# if the user has specified an exempt pid/eid, 
# then view any node which is reserved to that experiment as available.
if (defined($exempt_eid)) {
    $free_condition = "($free_condition or ".
327
	"(b.pid='$pid' and b.eid='$exempt_eid'))"; 
328
}
329
330
331
332
elsif (defined($pid)) {
    $free_condition = "($free_condition and ".
	"(np.reserved_pid is null or np.reserved_pid='$pid'))";
}
Chad Barb's avatar
Chad Barb committed
333

334
335
336
337
338
339
# If the user wants all nodes, we consider everything to be free (this
# overrides the other possible free conditions
if ($allnodes) {
    $free_condition = "1";
}

340
$result =
341
    DBQueryFatal("select a.node_id,a.type,a.phys_nodeid,t.class,t.issubnode," .
342
343
		 "a.def_boot_osid, (b.pid is not null and b.eid is not null) " .
		 "from nodes as a ".
344
345
		 "left join reserved as b on a.node_id=b.node_id ".
		 "left join reserved as m on a.phys_nodeid=m.node_id ".
346
		 "left join nodes as np on a.phys_nodeid=np.node_id ".
347
		 "left join node_types as t on t.type=a.type ".
348
		 "where $free_condition and ".
349
		 "      (a.role='testnode' and t.isremotenode=0)");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
350

351
352
353
#
# Scan the results, checking permissions and adding to the list
# You get to use a node type if no pid was specified (that is, you get
354
355
356
# to use all nodes), or if there is no entry in the perms table for
# the type/class of node.
#
357
while (($node,$type,$physnode,$class,$issubnode,$def_boot_osid,$reserved) 
Timothy Stack's avatar
   
Timothy Stack committed
358
       = $result->fetchrow_array) {
359
360
361
    $nodes{$node} = $type
	if (!defined($pid) ||
	    ($permissions{$type} && $permissions{$class}));
362
363
364
    if ($issubnode) {
	$subnode_of{$node} = $physnode;
    }
365
    $node_def_boot_osid{$node} = $def_boot_osid;
366
367
368
369
370
371

    if ($reserved) {
	$is_reserved{$node} = 1;
    } else {
	$is_reserved{$node} = 0;
    }
372
}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
373

374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
#
# Find out which nodes are connected to which, so that we can add some special
# features
#
$result = DBQueryFatal("SELECT DISTINCT node_id1, node_id2 " .
                       "  FROM wires");
my %connections = ();
while (my ($node_id1, $node_id2) = $result->fetchrow()) {
    foreach my $nodes ([$node_id1, $node_id2], [$node_id2, $node_id1]) {
        my ($node1, $node2) = @$nodes;
        if ($connections{$node1}) {
            # Check to see if we've already added this one (possible if the
            # nodes appeared in node1,node2 order, then node2,node1
            if (!grep(/^$node2$/, @{$connections{$node1}})) {
                push @{$connections{$node1}}, $node2;
            }
        } else {
            $connections{$node1} = [$node2];
        }
    }
}

#
# Loop through and print out all nodes
#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
399
foreach $node (keys(%nodes)) {
400
401
402
    my $type  = $nodes{$node};
    my $class = $typemap{$type}->{'CLASS'};
    my $delay_capacity = $typemap{$type}->{'DELAYCAP'};
403
    my $simnode_capacity = $typemap{$type}->{'SIMCAP'};
404
405
    my $cpu_speed = $typemap{$type}->{'SPEED'};
    my $ram = $typemap{$type}->{'RAM'};
406
    my $trivspeed = $typemap{$type}->{'TRIVSPEED'};
407
    
408
    my @types = ("$type:1");
409
410
    my @features;
    my @flags;
411
    my $needvirtgoo = 0;
412

413
414
415
416
417
418
419
420
421
422
    # XXX temporary hack until node reboot avoidance 
    # is available. Nodes running the FBSD-NSE image
    # will have a feature def-osid-fbsd-nse 0.0
    # This is used by assign to prefer these pnodes
    # first before using others.
    if( $node_def_boot_osid{$node} eq 
	TBOSID(TB_OPSPID, "FBSD-NSE") ) { 
	push(@features, "FBSD-NSE:0.0");
    }

423
    # Might be equal, which assign would sum as two, not one!
424
425
    if ($type ne $class) {
	push(@types, "$class:1");
426
427
    }

428
    if ($delay_capacity > 0) {
429
430
431
432
433
434
	# Comes from the NS file;
	$delay_capacity = $delaycap_override
	    if (defined($delaycap_override) &&
		$delaycap_override > 0 &&
		$delaycap_override < $delay_capacity);
	
435
	push @types, "delay:$delay_capacity";
436
	push @types, "delay-${type}:$delay_capacity";
437
    }
438

439
440
441
    #
    # Add any auxiliary types
    #
442
443
444
    foreach my $auxinfo (@{$auxtypes{$node}}) {
	my ($auxtype,$count) = split(":", $auxinfo);
	my $realtype;
445

446
447
448
	# Map an auxtype back to its real type, unless it is a real type.
	if (defined($auxtypemap{$auxtype})) {
	    $realtype = $auxtypemap{$auxtype};
449
450
	}
	else {
451
	    $realtype = $auxtype;
452
	}
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468

	if ($typemap{$realtype}->{'ISVIRT'} && $count > 0) {
	    next
		if (! $virtstuff);
		
	    if (defined($mfactor) && $mfactor <= $count) {
		$auxinfo = "$auxtype:$mfactor";
	    }
	    else {
		$auxinfo = "$auxtype:$count";
	    }
	    $needvirtgoo = 1;
	}
	push(@types, $auxinfo);
    }

Timothy Stack's avatar
   
Timothy Stack committed
469
    if (defined($areamap{$node})) {
Timothy Stack's avatar
   
Timothy Stack committed
470
	push @features, $areamap{$node};
Timothy Stack's avatar
   
Timothy Stack committed
471
472
    }

473
    my $cpu_ram_features_present = 0;
474
475
476
477
    #
    # This stuff is extra goo for local virtual nodes.
    # 
    if ($needvirtgoo) {
478
	push @types, "*lan:*";
479
480
481
482
	# Add trivial bw spec., but only if the node type has it
	if ($trivspeed) {
	    push @flags, "trivial_bw:$trivspeed";
	}
483
	# Add CPU and RAM information
484
	$cpu_ram_features_present++;
485
486
	# This number can be use for fine-tuning packing
	push @features, "?+virtpercent:100";
487
	# Put this silly feature in so that we can try to keep vnodes
488
489
490
491
	# on the same pnode they were before - but only if updating
        if ($exempt_eid) {
            push @features, "${node}:0.0";
        }
492
493
    }

494
495
496
497
498
499
500
501
502
503
    if ($simstuff && $simnode_capacity > 0) {
	#
	# Use user specified multiplex factor
	#
	if (defined($mfactor) && $mfactor <= $simnode_capacity) {
	    push @types, "sim:$mfactor";
	}
	else {
	    push @types, "sim:$simnode_capacity";
	}
504
	# Add CPU and RAM information
505
	$cpu_ram_features_present++;
506
507
508
509
	push @types, "*lan:*";
	# Add trivial bw spec.
	push @flags, "trivial_bw:100000";
    }
510
511
512
513
    if ($cpu_ram_features_present) {
	# Add CPU and RAM information
	push @features, "?+cpu:$cpu_speed";
	push @features, "?+ram:$ram";
514
515
	push @features, "?+cpupercent:92"; # XXX Hack
	push @features, "?+rampercent:80"; # XXX Hack
516
    }
517

518
    # Add features
519
    push(@features, @{$typemap{$type}->{'FEATURES'}});
520
521
    if (defined($features{$node})) {
	push @features, @{$features{$node}};
522
523
    }

524
525
526
527
528
529
530
    #
    # Add in features for all of the OSes that this node (as evidenced by its
    # type) can support
    #
    if ($node_type_osids{$type}) {
	push @features, map "OS-$_:0", @{$node_type_osids{$type}};
    }
531
532
533
534
535
536
537
538
539
540
541
    elsif (! $typemap{$type}->{'IMAGEABLE'} &&
	   defined($typemap{$type}->{'OSID'})) {
	#
	# If node is not imageable (and thus no entries in osidtoimageid,
	# then assume it always has its default OSID loaded and ready to
	# go, so that assign will agree to the allocation (assign_wrapper
	# adds a desire that says it has to be running the OSID the user
	# has selected, or the default OSID from the node_types table).
	#
	push @features, map "OS-$_:0", $typemap{$type}->{'OSID'};
    }
542

543
544
545
546
547
548
549
550
    # Add features indicating what this node has connections to
    if ($connections{$node}) {
        my @connected_to  = @{$connections{$node}};
        foreach my $other_end (@connected_to) {
            push(@features,"connected-to-$other_end:0.0");
        }
    }

551
552
    # This is for the case that we are modifying an existing experiment - tell
    # assign to prefer nodes the user has already allocated
553
    if ($exempt_eid && !$allnodes && $is_reserved{$node}) {
554
555
556
	push(@features,"already_reserved:0");
    }

Leigh B. Stoller's avatar
Leigh B. Stoller committed
557
558
559
560
561
562
563
564
    # Add in modelnet stuff.
    if ($mnetcores) {
	push(@types, "modelnet-core:$mnetcores");
    }
    if ($mnetedges) {
	push(@types, "modelnet-edge:$mnetedges");
    }

565
566
567
568
569
570
571
572
573
574
575
    #
    # Handle subnodes
    #
    if ($subnode_of{$node}) {
	# We don't want to include subnodes unless their parent node is going
	# to be in the ptop file too
	if (!$nodes{$subnode_of{$node}}) {
	    # In fact, nuke it from %nodes so that we don't include its links,
	    # either
	    delete $nodes{$node};
	    next;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
576
	}
577
578
	# Push the subnode's information into its flags
	push @flags, "subnode_of:$subnode_of{$node}";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
579
    }
580
581
582
583
584

    my $text = "node $node " . join(" ",@types) . " - " . join(" ",@features) .
	" - " . join(" ",@flags);


585
    print "$text\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
586
587
}

588
589
590
591
592
593
594
595
596
597
598
#
# Widearea Nodes. Includes plab nodes. Note that widearea nodes are never
# allocated directly (they are in a holding experiment), but assign deals
# with it by allocating multiple vnodes on a pnode.
#
# The underlying physnode has to be "up", as determined by the
# autostatus stuff; this will prevent us from allocating a dead
# virtual node to an experiment.  This is especially hacky. We need
# another mechanism for this. We only add virtnodes when assign says
# we need them. This reduces the problem size for assign.
#
599
600
601
602
# The types we lay out are only those in the auxtypes table for the node,
# since that is where we define what vtypes are hosted on a particular
# physnode. 
#
603
604
if ($widearea) {
    $result =
Leigh B. Stoller's avatar
Leigh B. Stoller committed
605
606
607
608
609
	DBQueryFatal("select n.node_id,nt.type,ns.status,r.pid,r.eid,wn.site ".
		     "from nodes as n ".
		     "left join node_types as nt on nt.type=n.type ".
		     "left join reserved as r on r.node_id=n.node_id ".
		     "left join node_status as ns on ns.node_id=n.node_id ".
610
		     "left join widearea_nodeinfo as wn on ".
Leigh B. Stoller's avatar
Leigh B. Stoller committed
611
612
613
		     "     wn.node_id=n.node_id ".
		     "where  (n.role='testnode' and nt.isremotenode=1 and ".
		     "        nt.isvirtnode=0)");
614
    
Leigh B. Stoller's avatar
Leigh B. Stoller committed
615
616
    while (($physnode,$ptype,$status,$mpid,$meid,$site)
	   = $result->fetchrow_array) {
617
	my $class = $typemap{$ptype}->{'CLASS'};
618
619
620
621
	my @types;
	my @features;
	my @flags;

622
623
624
625
626
	#
	# Mark any nodes that are not up with a feature, so that they won't
	# normally get assigned. We want to include them, though, because we
	# allow people to do fix-node to down nodes
	#
627
628
	if (($status && ($status ne 'up')) ||
	    ($mpid eq $DEADPID && $meid eq $DEADEID)) {
629
630
631
	    push @features, "down:1";
	}

632
633
634
635
636
637
638
	#
	# Mark which site this node belongs to
	#
	if ($site) {
	    push @features, "*&$site:$site_weight";
	}

639
640
641
	#
	# Add any auxiliary types.
	#
642
643
	foreach my $auxinfo (@{$auxtypes{$physnode}}) {
	    my ($auxtype,$count) = split(":", $auxinfo);
644

Leigh B. Stoller's avatar
Leigh B. Stoller committed
645
646
647
648
649
	    if (defined($mfactor) && $mfactor <= $count) {
		$auxinfo = "$auxtype:$mfactor";
	    }
	    else {
		$auxinfo = "$auxtype:$count";
650
	    }
651
	    push(@types, $auxinfo);
652
653
654
655
656
	}

	# Add trivial bw spec.
	push @flags, "trivial_bw:400000";

657
658
659
	# Indicate that these nodes are beautiful and unique snowflakes
	push @flags, "unique";

660
	# Add features
661
	push(@features, @{$typemap{$ptype}->{'FEATURES'}});
662
663
	if (defined($features{$physnode})) {
	    push @features, @{$features{$physnode}};
664
665
	}

666
667
668
669
670
671
672
673
	#
	# Add in features for all of the OSes that this node (as evidenced by
	# its type) can support
	#
	if ($node_type_osids{$ptype}) {
	    push @features, map "OS-$_:0", @{$node_type_osids{$ptype}};
	}

674
675
676
677
678
679
680
681
	my $text = "node $physnode " .
	           join(" ",@types) . " - " . join(" ",@features) .
		   " - " . join(" ",@flags);

	print "$text\n";
    }
}

682
# Read interfaces
683
$result = DBQueryFatal("SELECT node_id,card,port,iface,interface_type" .
684
		     " from interfaces");
685
while (($node,$card,$port,$iface,$type) = $result->fetchrow_array) {
686
    $interfacemap{"$node:$card:$port"} = $iface;
Chad Barb's avatar
   
Chad Barb committed
687
    if ((defined $type) && ($type ne "")) {
688
689
690
691
	$interfacetypes{"$node:$card:$port"} = $type;
    }
}

692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
# Read interface types. First need to find the protocols an interface supports
# and then then the speed for each of those protocols.
# Note that we are going to assume anything attached to a switch is ethernet.
$result = DBQueryFatal("SELECT type,capkey,capval from interface_capabilities ".
		       "where capkey='protocols' or capkey like '%_defspeed'"); 
while (($type,$capkey,$capval) = $result->fetchrow_array) {
    if ($capkey eq "protocols") {
	$interfaceprotocols{$type} = [ split(",", $capval) ];
    }
    elsif ($capkey =~ /^([-\w]+)_defspeed$/) {
	$interfacespeeds{$type}{$1} = $capval;
    }
    else {
	die("Improper defspeed $capval for $type!\n");
    }
707
708
}

709
710
711
712
713
714
715
716
717
718
# Read interface switches
$result = DBQueryFatal("SELECT node_id1, iface, node_id2 FROM wires AS w " .
	"LEFT JOIN interfaces as i ON w.node_id1=i.node_id AND w.card1=i.card");
while (($node,$iface,$switch) = $result->fetchrow_array) {
    if ($node && $iface) {
	$interfaceswitches{"$node:$iface"} = $switch;
    }
}

# Read interface cards and ports
719
720
721
722
723
724
725
$result = DBQueryFatal("SELECT node_id, iface, card, port, IP ".
		       "FROM interfaces");

while (($node,$iface,$card,$port,$IP) = $result->fetchrow_array) {
    next
	if ($prune && $is_reserved{$node} && (!defined($IP) || $IP eq ""));

726
727
728
    $interfacecardports{"$node:$iface"} = [$card,$port];
}

729
$result = DBQueryFatal("SELECT node_id1,card1,port1,node_id2,card2,port2" .
730
 		    " from wires where type=\"Node\" or type=\"Trunk\"");
731
while (($node1,$card1,$port1,$node2,$card2,$port2) = 
732
       $result->fetchrow_array) {
733
    if ((defined($nodes{$node1}) || defined($switches{$node1})) && 
734
	(defined($nodes{$node2}) || defined($switches{$node2}))) {
735
736
	$iface1 = get_iface($node1,$card1,$port1);
	$iface2 = get_iface($node2,$card2,$port2);
737
738
	$iface1bw = get_ifacebw($node1,$card1,$port1,"ethernet");
	$iface2bw = get_ifacebw($node2,$card2,$port2,"ethernet");
739
740
741
742

	next
	    if (! exists($interfacecardports{"$node1:$iface1"}));
	
743
744
745
746
747
748
	# XXX - This is a bad, bad hack - we  use our knowledge that in the
	# wires table links to the switch always come as node2. We also assume
	# that node interfaces are plugged into switch ports of the same speed.
	# Chris has something better on the way (storing the speed on the
	# switch side), so this is just a temp. hack.
	if (!defined($switches{$node1}) && defined($switches{$node2})) {
749
750
	    $bw = $iface1bw;
	} else {
751
752
753
754
755
	    if ($iface1bw < $iface2bw) {
		$bw = $iface1bw;
	    } else {
		$bw = $iface2bw;
	    }
756
	}
757
	if (defined($switches{$node2})) {
758
759
	    $used_switches{$node2} = 1;
	}
760
761
762
763
764
765
766
767
	if (defined($switches{$node1})) {
	    $used_switches{$node1} = 1;
	}
	if (defined($switches{$node1}) && defined($switches{$node2})) {
	    # interswitch link
	    if (defined($interconnects{"$node1:$node2"})) {
		$interconnects{"$node1:$node2"} += $bw;
	    } else {
768
		$interconnects{"$node1:$node2"} = new Math::BigInt $bw;
769
770
771
772
773
	    }
	} else {
	    # !!! - Here we use our knowledge that in the wires table links
	    # to the switch always come as node2.
	    print "link link-$node1:$iface1-$node2:$iface2 $node1:$node1/$iface1" .
774
		" $node2:$iface2 $bw 0 0 1 ethernet\n";
775
776
	}
    } 
777
}
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797

#
# If we're supposed to track interswitch bandwidth, subtract out the amount
# that's already in use
#
if ($TRACK_INTERSWITCH_BANDWIDTH) {
    #
    # Get a list of all VLANs
    #
    my $result = DBQueryFatal("SELECT virtual, members FROM vlans");
    while (my ($virtual, $members) = $result->fetchrow()) {
	#
	# Split apart the space-separated list of members
	#
	my @members = split /\s+/, $members;
	my %switches = ();
	foreach my $member (@members) {
	    my ($node,$iface) = split /:/, $member;
	    my $switch = get_ifaceswitch($node,$iface);
	    my ($card, $port) = get_ifacecardport($node,$iface);
798
	    my $bw = get_ifacebw($node,$card,$port,"ethernet");
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
	    $switches{$switch} += $bw;
	}

	#
	# Check to see if more than one switch was found among the member
	# list, and if so, go through all the pairs
	#
	my @switches = keys %switches;
	if (@switches > 1) {
	    for (my $i = 0; $i < (@switches -1); $i++) {
		my $switch1 = $switches[$i];
		my $switch2 = $switches[$i+1];
		my $bw = $switches{$switch1};
		if ($switches{$switch2} < $bw) {
			$bw = $switches{$switch2};
		}
		#
		# The trunk link could be listed in either order
		#
		if ($interconnects{"$switch1:$switch2"}) {
		    $interconnects{"$switch1:$switch2"} -= $bw;
		} elsif ($interconnects{"$switch2:$switch1"}) {
		    $interconnects{"$switch2:$switch1"} -= $bw;
		}
	    }
	}
    }
}

828
829
foreach $interconnect (keys(%interconnects)) {
    ($src,$dst) = split(":",$interconnect);
830
831
832
833
834
    my $speed = $interconnects{$interconnect};
    # This is really dumb - BigInts like to print out with a leading '+',
    # which we don't want. Stript it off.
    $speed =~ s/^\+|-//;
    print "link link-$interconnect $src $dst $speed 0 0 1 ethernet\n";
835
}
836

837
#
838
# Fake switch. Hardwired for now. 
839
#
840
841
842
my @wireless_protos = ("80211", "80211a", "80211b", "80211g");
my $fake_switch = "airswitch";
print "node $fake_switch ", join(" ",map("*$_:*",@wireless_protos)), "\n";
843

844
845
foreach my $interface (keys(%interfacetypes)) {
    my ($node,$card,$port) = split(":", $interface);
846

847
848
    next
    if (!defined($nodes{$node}));
849
	
850
851
852
    my $type    = $interfacetypes{$interface};
    my @protos  = @{ $interfaceprotocols{$type} };
    my $iface   = get_iface($node,$card,$port);
853

854
855
856
857
858
859
860
861
    #
    # Get the intersection of the protocols supported by this interface, and
    # the wireless protocols we know about
    #
    my (%union, %intersection);
    foreach $proto (@protos, @wireless_protos) {
	$union{$proto}++ && $intersection{$proto}++;
    }
862

863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
    my @intersection = keys %intersection;

    #
    # Skip this interface if it speaks no wireless protocols
    #
    next unless @intersection;

    #
    # Find the max bandwidth supported by any of the wireless protocols
    # supported by this interface
    #
    my $max_bw = 0;
    foreach my $proto (@intersection) {
	my $ifacebw = get_ifacebw($node,$card,$port,$proto);
	if ($ifacebw > $max_bw) {
	    $max_bw = $ifacebw;
879
880
	}
    }
881
882
883
    print "link link-$node:$iface-$fake_switch:(null) ".
	"$node:$node/$iface $fake_switch:(null) $max_bw 0 0 1 ".
	join(" ",@intersection). "\n";
884
885
886
887
}

exit(0);

888
889
890
891
# Print out links
sub get_iface {
    ($node,$card,$port) = @_;
    if (defined($interfacemap{"$node:$card:$port"})) {
892
893
894
895
896
	if ($interfacemap{"$node:$card:$port"} eq "") {
	    return "(null)";
	} else {
	    return $interfacemap{"$node:$card:$port"};
	}
897
898
899
900
901
902
903
904
905
906
907
    } else {
	# shark hack
	if ($node =~ /^sh/) {
	    return "eth0";
	} else {
	    return "(null)";
	}
	# end shark hack 
    }
};

908
909
# Find the bandwidth for an interface, when using the given protocol (which
# most of the time is ethernet).
910
sub get_ifacebw {
911
    ($node,$card,$port,$protocol) = @_;
912
    if (defined($interfacetypes{"$node:$card:$port"})) {
913
	return $interfacespeeds{$interfacetypes{"$node:$card:$port"}}{$protocol};
914
915
916
    }
    else {
	return $default_switchport_speed;
917
918
    }
}
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936

sub get_ifaceswitch {
    ($node,$iface) = @_;
    if (defined($interfaceswitches{"$node:$iface"})) {
	return $interfaceswitches{"$node:$iface"};
    } else {
	return undef;
    }
}

sub get_ifacecardport {
    ($node,$iface) = @_;
    if (defined($interfacecardports{"$node:$iface"})) {
	return @{$interfacecardports{"$node:$iface"}};
    } else {
	return ();
    }
}