src/nepi/core/execute.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 from nepi.core.attributes import Attribute, AttributesMap
   5 from nepi.core.connector import ConnectorTypeBase
   6 from nepi.util import proxy, validation
   7 from nepi.util.constants import STATUS_FINISHED, TIME_NOW
   8 from nepi.util.parser._xml import XmlExperimentParser
   9 import sys
  10 import re
  11 import threading
  12 import ConfigParser
  13 import os
  14 import collections
  15 import functools
  16
  17 ATTRIBUTE_PATTERN_BASE = re.compile(r"\{#\[(?P<label>[-a-zA-Z0-9._]*)\](?P<expr>(?P<component>\.addr\[[0-9]+\]|\.route\[[0-9]+\]|\.trace\[[0-9]+\])?.\[(?P<attribute>[-a-zA-Z0-9._]*)\])#}")
  18 ATTRIBUTE_PATTERN_GUID_SUB = r"{#[%(guid)s]%(expr)s#}"
  19 COMPONENT_PATTERN = re.compile(r"(?P<kind>[a-z]*)\[(?P<index>.*)\]")
  20
  21 class ConnectorType(ConnectorTypeBase):
  22     def __init__(self, testbed_id, factory_id, name, max = -1, min = 0):
  23         super(ConnectorType, self).__init__(testbed_id, factory_id, name, max, min)
  24         # from_connections -- connections where the other connector is the "From"
  25         # to_connections -- connections where the other connector is the "To"
  26         # keys in the dictionary correspond to the
  27         # connector_type_id for possible connections. The value is a tuple:
  28         # (can_cross, connect)
  29         # can_cross: indicates if the connection is allowed accros different
  30         #    testbed instances
  31         # code: is the connection function to be invoked when the elements
  32         #    are connected
  33         self._from_connections = dict()
  34         self._to_connections = dict()
  35
  36     def add_from_connection(self, testbed_id, factory_id, name, can_cross,
  37             init_code, compl_code):
  38         type_id = self.make_connector_type_id(testbed_id, factory_id, name)
  39         self._from_connections[type_id] = (can_cross, init_code, compl_code)
  40
  41     def add_to_connection(self, testbed_id, factory_id, name, can_cross,
  42             init_code, compl_code):
  43         type_id = self.make_connector_type_id(testbed_id, factory_id, name)
  44         self._to_connections[type_id] = (can_cross, init_code, compl_code)
  45
  46     def can_connect(self, testbed_id, factory_id, name, count,
  47             must_cross = False):
  48         connector_type_id = self.make_connector_type_id(testbed_id, factory_id, name)
  49         for lookup_type_id in self._type_resolution_order(connector_type_id):
  50             if lookup_type_id in self._from_connections:
  51                 (can_cross, init_code, compl_code) = self._from_connections[lookup_type_id]
  52             elif lookup_type_id in self._to_connections:
  53                 (can_cross, init_code, compl_code) = self._to_connections[lookup_type_id]
  54             else:
  55                 # keey trying
  56                 continue
  57             return not must_cross or can_cross
  58         else:
  59             return False
  60
  61     def _connect_to_code(self, testbed_id, factory_id, name):
  62         connector_type_id = self.make_connector_type_id(testbed_id, factory_id, name)
  63         for lookup_type_id in self._type_resolution_order(connector_type_id):
  64             if lookup_type_id in self._to_connections:
  65                 (can_cross, init_code, compl_code) = self._to_connections[lookup_type_id]
  66                 return (init_code, compl_code)
  67         else:
  68             return (False, False)
  69
  70     def connect_to_init_code(self, testbed_id, factory_id, name):
  71         return self._connect_to_code(testbed_id, factory_id, name)[0]
  72
  73     def connect_to_compl_code(self, testbed_id, factory_id, name):
  74         return self._connect_to_code(testbed_id, factory_id, name)[1]
  75
  76 class Factory(AttributesMap):
  77     def __init__(self, factory_id, create_function, start_function,
  78             stop_function, status_function,
  79             configure_function, preconfigure_function,
  80             allow_addresses = False, has_addresses = False,
  81             allow_routes = False, has_routes = False):
  82         super(Factory, self).__init__()
  83         self._factory_id = factory_id
  84         self._allow_addresses = bool(allow_addresses)
  85         self._allow_routes = bool(allow_routes)
  86         self._has_addresses = bool(has_addresses) or self._allow_addresses
  87         self._has_routes = bool(has_routes) or self._allow_routes
  88         self._create_function = create_function
  89         self._start_function = start_function
  90         self._stop_function = stop_function
  91         self._status_function = status_function
  92         self._configure_function = configure_function
  93         self._preconfigure_function = preconfigure_function
  94         self._connector_types = dict()
  95         self._traces = list()
  96         self._box_attributes = AttributesMap()
  97
  98     @property
  99     def factory_id(self):
 100         return self._factory_id
 101
 102     @property
 103     def allow_addresses(self):
 104         return self._allow_addresses
 105
 106     @property
 107     def allow_routes(self):
 108         return self._allow_routes
 109
 110     @property
 111     def has_addresses(self):
 112         return self._has_addresses
 113
 114     @property
 115     def has_routes(self):
 116         return self._has_routes
 117
 118     @property
 119     def box_attributes(self):
 120         return self._box_attributes
 121
 122     @property
 123     def create_function(self):
 124         return self._create_function
 125
 126     @property
 127     def start_function(self):
 128         return self._start_function
 129
 130     @property
 131     def stop_function(self):
 132         return self._stop_function
 133
 134     @property
 135     def status_function(self):
 136         return self._status_function
 137
 138     @property
 139     def configure_function(self):
 140         return self._configure_function
 141
 142     @property
 143     def preconfigure_function(self):
 144         return self._preconfigure_function
 145
 146     @property
 147     def traces(self):
 148         return self._traces
 149
 150     def connector_type(self, name):
 151         return self._connector_types[name]
 152
 153     def add_connector_type(self, connector_type):
 154         self._connector_types[connector_type.name] = connector_type
 155
 156     def add_trace(self, trace_id):
 157         self._traces.append(trace_id)
 158
 159     def add_box_attribute(self, name, help, type, value = None, range = None,
 160         allowed = None, flags = Attribute.NoFlags, validation_function = None):
 161         self._box_attributes.add_attribute(name, help, type, value, range,
 162                 allowed, flags, validation_function)
 163
 164 class TestbedController(object):
 165     def __init__(self, testbed_id, testbed_version):
 166         self._testbed_id = testbed_id
 167         self._testbed_version = testbed_version
 168
 169     @property
 170     def testbed_id(self):
 171         return self._testbed_id
 172
 173     @property
 174     def testbed_version(self):
 175         return self._testbed_version
 176
 177     @property
 178     def guids(self):
 179         raise NotImplementedError
 180
 181     def defer_configure(self, name, value):
 182         """Instructs setting a configuartion attribute for the testbed instance"""
 183         raise NotImplementedError
 184
 185     def defer_create(self, guid, factory_id):
 186         """Instructs creation of element """
 187         raise NotImplementedError
 188
 189     def defer_create_set(self, guid, name, value):
 190         """Instructs setting an initial attribute on an element"""
 191         raise NotImplementedError
 192
 193     def defer_factory_set(self, guid, name, value):
 194         """Instructs setting an attribute on a factory"""
 195         raise NotImplementedError
 196
 197     def defer_connect(self, guid1, connector_type_name1, guid2,
 198             connector_type_name2):
 199         """Instructs creation of a connection between the given connectors"""
 200         raise NotImplementedError
 201
 202     def defer_cross_connect(self, guid, connector_type_name, cross_guid,
 203             cross_testbed_id, cross_factory_id, cross_connector_type_name):
 204         """
 205         Instructs creation of a connection between the given connectors
 206         of different testbed instances
 207         """
 208         raise NotImplementedError
 209
 210     def defer_add_trace(self, guid, trace_id):
 211         """Instructs the addition of a trace"""
 212         raise NotImplementedError
 213
 214     def defer_add_address(self, guid, address, netprefix, broadcast):
 215         """Instructs the addition of an address"""
 216         raise NotImplementedError
 217
 218     def defer_add_route(self, guid, destination, netprefix, nexthop):
 219         """Instructs the addition of a route"""
 220         raise NotImplementedError
 221
 222     def do_setup(self):
 223         """After do_setup the testbed initial configuration is done"""
 224         raise NotImplementedError
 225
 226     def do_create(self):
 227         """
 228         After do_create all instructed elements are created and
 229         attributes setted
 230         """
 231         raise NotImplementedError
 232
 233     def do_connect_init(self):
 234         """
 235         After do_connect_init all internal connections between testbed elements
 236         are initiated
 237         """
 238         raise NotImplementedError
 239
 240     def do_connect_compl(self):
 241         """
 242         After do_connect all internal connections between testbed elements
 243         are completed
 244         """
 245         raise NotImplementedError
 246
 247     def do_configure(self):
 248         """After do_configure elements are configured"""
 249         raise NotImplementedError
 250
 251     def do_cross_connect_init(self, cross_data):
 252         """
 253         After do_cross_connect_init initiation of all external connections
 254         between different testbed elements is performed
 255         """
 256         raise NotImplementedError
 257
 258     def do_cross_connect_compl(self, cross_data):
 259         """
 260         After do_cross_connect_compl completion of all external connections
 261         between different testbed elements is performed
 262         """
 263         raise NotImplementedError
 264
 265     def start(self):
 266         raise NotImplementedError
 267
 268     def stop(self):
 269         raise NotImplementedError
 270
 271     def set(self, guid, name, value, time = TIME_NOW):
 272         raise NotImplementedError
 273
 274     def get(self, guid, name, time = TIME_NOW):
 275         raise NotImplementedError
 276
 277     def get_route(self, guid, index, attribute):
 278         """
 279         Params:
 280
 281             guid: guid of box to query
 282             index: number of routing entry to fetch
 283             attribute: one of Destination, NextHop, NetPrefix
 284         """
 285         raise NotImplementedError
 286
 287     def get_address(self, guid, index, attribute='Address'):
 288         """
 289         Params:
 290
 291             guid: guid of box to query
 292             index: number of inteface to select
 293             attribute: one of Address, NetPrefix, Broadcast
 294         """
 295         raise NotImplementedError
 296
 297     def get_attribute_list(self, guid):
 298         raise NotImplementedError
 299
 300     def action(self, time, guid, action):
 301         raise NotImplementedError
 302
 303     def status(self, guid):
 304         raise NotImplementedError
 305
 306     def trace(self, guid, trace_id, attribute='value'):
 307         raise NotImplementedError
 308
 309     def shutdown(self):
 310         raise NotImplementedError
 311
 312 class ExperimentController(object):
 313     def __init__(self, experiment_xml, root_dir):
 314         self._experiment_xml = experiment_xml
 315         self._testbeds = dict()
 316         self._deployment_config = dict()
 317         self._netrefs = collections.defaultdict(set)
 318         self._testbed_netrefs = collections.defaultdict(set)
 319         self._cross_data = dict()
 320         self._root_dir = root_dir
 321         self._netreffed_testbeds = set()
 322
 323         self.persist_experiment_xml()
 324
 325     @property
 326     def experiment_xml(self):
 327         return self._experiment_xml
 328
 329     def persist_experiment_xml(self):
 330         xml_path = os.path.join(self._root_dir, "experiment.xml")
 331         f = open(xml_path, "w")
 332         f.write(self._experiment_xml)
 333         f.close()
 334
 335     def trace(self, testbed_guid, guid, trace_id, attribute='value'):
 336         return self._testbeds[testbed_guid].trace(guid, trace_id, attribute)
 337
 338     @staticmethod
 339     def _parallel(callables):
 340         excs = []
 341         def wrap(callable):
 342             @functools.wraps(callable)
 343             def wrapped(*p, **kw):
 344                 try:
 345                     callable(*p, **kw)
 346                 except Exception,e:
 347                     import traceback
 348                     traceback.print_exc(file=sys.stderr)
 349                     excs.append(e)
 350             return wrapped
 351         threads = [ threading.Thread(target=wrap(callable)) for callable in callables ]
 352         for thread in threads:
 353             thread.start()
 354         for thread in threads:
 355             thread.join()
 356         for exc in excs:
 357             raise exc
 358
 359     def start(self):
 360         parser = XmlExperimentParser()
 361         data = parser.from_xml_to_data(self._experiment_xml)
 362
 363         self._init_testbed_controllers(data)
 364
 365         # persist testbed connection data, for potential recovery
 366         self._persist_testbed_proxies()
 367
 368         def steps_to_configure(self, allowed_guids):
 369             # perform setup in parallel for all test beds,
 370             # wait for all threads to finish
 371             self._parallel([testbed.do_setup
 372                             for guid,testbed in self._testbeds.iteritems()
 373                             if guid in allowed_guids])
 374
 375             # perform create-connect in parallel, wait
 376             # (internal connections only)
 377             self._parallel([testbed.do_create
 378                             for guid,testbed in self._testbeds.iteritems()
 379                             if guid in allowed_guids])
 380
 381             self._parallel([testbed.do_connect_init
 382                             for guid,testbed in self._testbeds.iteritems()
 383                             if guid in allowed_guids])
 384
 385             self._parallel([testbed.do_connect_compl
 386                             for guid,testbed in self._testbeds.iteritems()
 387                             if guid in allowed_guids])
 388
 389             self._parallel([testbed.do_preconfigure
 390                             for guid,testbed in self._testbeds.iteritems()
 391                             if guid in allowed_guids])
 392
 393         steps_to_configure(self, self._testbeds)
 394
 395         if self._netreffed_testbeds:
 396             # initally resolve netrefs
 397             self.do_netrefs(data, fail_if_undefined=False)
 398
 399             # rinse and repeat, for netreffed testbeds
 400             netreffed_testbeds = set(self._netreffed_testbeds)
 401
 402             self._init_testbed_controllers(data)
 403
 404             # persist testbed connection data, for potential recovery
 405             self._persist_testbed_proxies()
 406
 407             # configure dependant testbeds
 408             steps_to_configure(self, netreffed_testbeds)
 409
 410         # final netref step, fail if anything's left unresolved
 411         self.do_netrefs(data, fail_if_undefined=True)
 412
 413         self._program_testbed_cross_connections(data)
 414
 415         # perform do_configure in parallel for al testbeds
 416         # (it's internal configuration for each)
 417         self._parallel([testbed.do_configure
 418                         for testbed in self._testbeds.itervalues()])
 419
 420         # cross-connect (cannot be done in parallel)
 421         for guid, testbed in self._testbeds.iteritems():
 422             cross_data = self._get_cross_data(guid)
 423             testbed.do_cross_connect_init(cross_data)
 424         for guid, testbed in self._testbeds.iteritems():
 425             cross_data = self._get_cross_data(guid)
 426             testbed.do_cross_connect_compl(cross_data)
 427
 428         # start experiment (parallel start on all testbeds)
 429         self._parallel([testbed.start
 430                         for testbed in self._testbeds.itervalues()])
 431
 432     def _persist_testbed_proxies(self):
 433         TRANSIENT = ('Recover',)
 434
 435         # persist access configuration for all testbeds, so that
 436         # recovery mode can reconnect to them if it becomes necessary
 437         conf = ConfigParser.RawConfigParser()
 438         for testbed_guid, testbed_config in self._deployment_config.iteritems():
 439             testbed_guid = str(testbed_guid)
 440             conf.add_section(testbed_guid)
 441             for attr in testbed_config.attributes_list:
 442                 if attr not in TRANSIENT:
 443                     conf.set(testbed_guid, attr,
 444                         testbed_config.get_attribute_value(attr))
 445
 446         f = open(os.path.join(self._root_dir, 'deployment_config.ini'), 'w')
 447         conf.write(f)
 448         f.close()
 449
 450     def _load_testbed_proxies(self):
 451         TYPEMAP = {
 452             STRING : 'get',
 453             INTEGER : 'getint',
 454             FLOAT : 'getfloat',
 455             BOOLEAN : 'getboolean',
 456         }
 457
 458         conf = ConfigParser.RawConfigParser()
 459         conf.read(os.path.join(self._root_dir, 'deployment_config.ini'))
 460         for testbed_guid in conf.sections():
 461             testbed_config = proxy.AccessConfiguration()
 462             for attr in conf.options(testbed_guid):
 463                 testbed_config.set_attribute_value(attr,
 464                     conf.get(testbed_guid, attr) )
 465
 466             testbed_guid = str(testbed_guid)
 467             conf.add_section(testbed_guid)
 468             for attr in testbed_config.attributes_list:
 469                 if attr not in TRANSIENT:
 470                     getter = getattr(conf, TYPEMAP.get(
 471                         testbed_config.get_attribute_type(attr),
 472                         'get') )
 473                     testbed_config.set_attribute_value(
 474                         testbed_guid, attr, getter(attr))
 475
 476     def _unpersist_testbed_proxies(self):
 477         try:
 478             os.remove(os.path.join(self._root_dir, 'deployment_config.ini'))
 479         except:
 480             # Just print exceptions, this is just cleanup
 481             import traceback
 482             traceback.print_exc(file=sys.stderr)
 483
 484     def stop(self):
 485        for testbed in self._testbeds.values():
 486            testbed.stop()
 487        self._unpersist_testbed_proxies()
 488
 489     def recover(self):
 490         # reload perviously persisted testbed access configurations
 491         self._load_testbed_proxies()
 492
 493         # recreate testbed proxies by reconnecting only
 494         self._init_testbed_controllers(recover = True)
 495
 496         # another time, for netrefs
 497         self._init_testbed_controllers(recover = True)
 498
 499     def is_finished(self, guid):
 500         for testbed in self._testbeds.values():
 501             for guid_ in testbed.guids:
 502                 if guid_ == guid:
 503                     return testbed.status(guid) == STATUS_FINISHED
 504         raise RuntimeError("No element exists with guid %d" % guid)
 505
 506     def set(self, testbed_guid, guid, name, value, time = TIME_NOW):
 507         testbed = self._testbeds[testbed_guid]
 508         testbed.set(guid, name, value, time)
 509
 510     def get(self, testbed_guid, guid, name, time = TIME_NOW):
 511         testbed = self._testbeds[testbed_guid]
 512         return testbed.get(guid, name, time)
 513
 514     def shutdown(self):
 515        for testbed in self._testbeds.values():
 516            testbed.shutdown()
 517
 518     @staticmethod
 519     def _netref_component_split(component):
 520         match = COMPONENT_PATTERN.match(component)
 521         if match:
 522             return match.group("kind"), match.group("index")
 523         else:
 524             return component, None
 525
 526     _NETREF_COMPONENT_GETTERS = {
 527         'addr':
 528             lambda testbed, guid, index, name:
 529                 testbed.get_address(guid, index, name),
 530         'route' :
 531             lambda testbed, guid, index, name:
 532                 testbed.get_route(guid, index, name),
 533         'trace' :
 534             lambda testbed, guid, index, name:
 535                 testbed.trace(guid, index, name),
 536         '' :
 537             lambda testbed, guid, index, name:
 538                 testbed.get(guid, name),
 539     }
 540
 541     def resolve_netref_value(self, value):
 542         match = ATTRIBUTE_PATTERN_BASE.search(value)
 543         if match:
 544             label = match.group("label")
 545             if label.startswith('GUID-'):
 546                 ref_guid = int(label[5:])
 547                 if ref_guid:
 548                     expr = match.group("expr")
 549                     component = (match.group("component") or "")[1:] # skip the dot
 550                     attribute = match.group("attribute")
 551
 552                     # split compound components into component kind and index
 553                     # eg: 'addr[0]' -> ('addr', '0')
 554                     component, component_index = self._netref_component_split(component)
 555
 556                     # find object and resolve expression
 557                     for ref_testbed in self._testbeds.itervalues():
 558                         if component not in self._NETREF_COMPONENT_GETTERS:
 559                             raise ValueError, "Malformed netref: %r - unknown component" % (expr,)
 560                         else:
 561                             ref_value = self._NETREF_COMPONENT_GETTERS[component](
 562                                 ref_testbed, ref_guid, component_index, attribute)
 563                             if ref_value:
 564                                 return value.replace(match.group(), ref_value)
 565         # couldn't find value
 566         return None
 567
 568     def do_netrefs(self, data, fail_if_undefined = False):
 569         # element netrefs
 570         for (testbed_guid, guid), attrs in self._netrefs.iteritems():
 571             testbed = self._testbeds[testbed_guid]
 572             for name in attrs:
 573                 value = testbed.get(guid, name)
 574                 if isinstance(value, basestring):
 575                     ref_value = self.resolve_netref_value(value)
 576                     if ref_value is not None:
 577                         testbed.set(guid, name, ref_value)
 578                     elif fail_if_undefined:
 579                         raise ValueError, "Unresolvable netref in: %r" % (value,)
 580
 581         # testbed netrefs
 582         for testbed_guid, attrs in self._testbed_netrefs.iteritems():
 583             tb_data = dict(data.get_attribute_data(testbed_guid))
 584             if data:
 585                 for name in attrs:
 586                     value = tb_data.get(name)
 587                     if isinstance(value, basestring):
 588                         ref_value = self.resolve_netref_value(value)
 589                         if ref_value is not None:
 590                             data.set_attribute_data(testbed_guid, name, ref_value)
 591                         elif fail_if_undefined:
 592                             raise ValueError, "Unresolvable netref in: %r" % (value,)
 593
 594         self._netrefs.clear()
 595         self._testbed_netrefs.clear()
 596
 597     def _init_testbed_controllers(self, data, recover = False):
 598         blacklist_testbeds = set(self._testbeds)
 599         element_guids = list()
 600         label_guids = dict()
 601         data_guids = data.guids
 602
 603         # create testbed controllers
 604         for guid in data_guids:
 605             if data.is_testbed_data(guid):
 606                 if guid not in self._testbeds:
 607                     self._create_testbed_controller(guid, data, element_guids,
 608                             recover)
 609             else:
 610                 (testbed_guid, factory_id) = data.get_box_data(guid)
 611                 if testbed_guid not in blacklist_testbeds:
 612                     element_guids.append(guid)
 613                     label = data.get_attribute_data(guid, "label")
 614                     if label is not None:
 615                         if label in label_guids:
 616                             raise RuntimeError, "Label %r is not unique" % (label,)
 617                         label_guids[label] = guid
 618
 619         # replace references to elements labels for its guid
 620         self._resolve_labels(data, data_guids, label_guids)
 621
 622         # program testbed controllers
 623         if not recover:
 624             self._program_testbed_controllers(element_guids, data)
 625
 626     def _resolve_labels(self, data, data_guids, label_guids):
 627         netrefs = self._netrefs
 628         testbed_netrefs = self._testbed_netrefs
 629         for guid in data_guids:
 630             for name, value in data.get_attribute_data(guid):
 631                 if isinstance(value, basestring):
 632                     match = ATTRIBUTE_PATTERN_BASE.search(value)
 633                     if match:
 634                         label = match.group("label")
 635                         if not label.startswith('GUID-'):
 636                             ref_guid = label_guids.get(label)
 637                             if ref_guid is not None:
 638                                 value = ATTRIBUTE_PATTERN_BASE.sub(
 639                                     ATTRIBUTE_PATTERN_GUID_SUB % dict(
 640                                         guid = 'GUID-%d' % (ref_guid,),
 641                                         expr = match.group("expr"),
 642                                         label = label),
 643                                     value)
 644                                 data.set_attribute_data(guid, name, value)
 645
 646                                 # memorize which guid-attribute pairs require
 647                                 # postprocessing, to avoid excessive controller-testbed
 648                                 # communication at configuration time
 649                                 # (which could require high-latency network I/O)
 650                                 if not data.is_testbed_data(guid):
 651                                     (testbed_guid, factory_id) = data.get_box_data(guid)
 652                                     netrefs[(testbed_guid, guid)].add(name)
 653                                 else:
 654                                     testbed_netrefs[guid].add(name)
 655
 656     def _create_testbed_controller(self, guid, data, element_guids, recover):
 657         (testbed_id, testbed_version) = data.get_testbed_data(guid)
 658         deployment_config = self._deployment_config.get(guid)
 659
 660         if deployment_config is None:
 661             # need to create one
 662             deployment_config = proxy.AccessConfiguration()
 663
 664             for (name, value) in data.get_attribute_data(guid):
 665                 if value is not None and deployment_config.has_attribute(name):
 666                     # if any deployment config attribute has a netref, we can't
 667                     # create this controller yet
 668                     if isinstance(value, basestring) and ATTRIBUTE_PATTERN_BASE.search(value):
 669                         # remember to re-issue this one
 670                         self._netreffed_testbeds.add(guid)
 671                         return
 672
 673                     # copy deployment config attribute
 674                     deployment_config.set_attribute_value(name, value)
 675
 676             # commit config
 677             self._deployment_config[guid] = deployment_config
 678
 679         if deployment_config is not None:
 680             # force recovery mode
 681             deployment_config.set_attribute_value("recover",recover)
 682
 683         testbed = proxy.create_testbed_controller(testbed_id,
 684                 testbed_version, deployment_config)
 685         for (name, value) in data.get_attribute_data(guid):
 686             testbed.defer_configure(name, value)
 687         self._testbeds[guid] = testbed
 688         if guid in self._netreffed_testbeds:
 689             self._netreffed_testbeds.remove(guid)
 690
 691     def _program_testbed_controllers(self, element_guids, data):
 692         for guid in element_guids:
 693             (testbed_guid, factory_id) = data.get_box_data(guid)
 694             testbed = self._testbeds.get(testbed_guid)
 695             if testbed:
 696                 testbed.defer_create(guid, factory_id)
 697                 for (name, value) in data.get_attribute_data(guid):
 698                     testbed.defer_create_set(guid, name, value)
 699
 700         for guid in element_guids:
 701             (testbed_guid, factory_id) = data.get_box_data(guid)
 702             testbed = self._testbeds.get(testbed_guid)
 703             if testbed:
 704                 for (connector_type_name, cross_guid, cross_connector_type_name) \
 705                         in data.get_connection_data(guid):
 706                     (testbed_guid, factory_id) = data.get_box_data(guid)
 707                     (cross_testbed_guid, cross_factory_id) = data.get_box_data(
 708                             cross_guid)
 709                     if testbed_guid == cross_testbed_guid:
 710                         testbed.defer_connect(guid, connector_type_name,
 711                                 cross_guid, cross_connector_type_name)
 712                 for trace_id in data.get_trace_data(guid):
 713                     testbed.defer_add_trace(guid, trace_id)
 714                 for (autoconf, address, netprefix, broadcast) in \
 715                         data.get_address_data(guid):
 716                     if address != None:
 717                         testbed.defer_add_address(guid, address, netprefix,
 718                                 broadcast)
 719                 for (destination, netprefix, nexthop) in data.get_route_data(guid):
 720                     testbed.defer_add_route(guid, destination, netprefix, nexthop)
 721
 722     def _program_testbed_cross_connections(self, data):
 723         data_guids = data.guids
 724
 725         for guid in data_guids:
 726             if not data.is_testbed_data(guid):
 727                 (testbed_guid, factory_id) = data.get_box_data(guid)
 728                 testbed = self._testbeds.get(testbed_guid)
 729                 if testbed:
 730                     for (connector_type_name, cross_guid, cross_connector_type_name) \
 731                             in data.get_connection_data(guid):
 732                         (testbed_guid, factory_id) = data.get_box_data(guid)
 733                         (cross_testbed_guid, cross_factory_id) = data.get_box_data(
 734                                 cross_guid)
 735                         if testbed_guid != cross_testbed_guid:
 736                             cross_testbed = self._testbeds[cross_testbed_guid]
 737                             cross_testbed_id = cross_testbed.testbed_id
 738                             testbed.defer_cross_connect(guid, connector_type_name, cross_guid,
 739                                     cross_testbed_guid, cross_testbed_id, cross_factory_id,
 740                                     cross_connector_type_name)
 741                             # save cross data for later
 742                             self._add_crossdata(testbed_guid, guid, cross_testbed_guid,
 743                                     cross_guid)
 744
 745     def _add_crossdata(self, testbed_guid, guid, cross_testbed_guid, cross_guid):
 746         if testbed_guid not in self._cross_data:
 747             self._cross_data[testbed_guid] = dict()
 748         if cross_testbed_guid not in self._cross_data[testbed_guid]:
 749             self._cross_data[testbed_guid][cross_testbed_guid] = set()
 750         self._cross_data[testbed_guid][cross_testbed_guid].add(cross_guid)
 751
 752     def _get_cross_data(self, testbed_guid):
 753         cross_data = dict()
 754         if not testbed_guid in self._cross_data:
 755             return cross_data
 756         for cross_testbed_guid, guid_list in \
 757                 self._cross_data[testbed_guid].iteritems():
 758             cross_data[cross_testbed_guid] = dict()
 759             cross_testbed = self._testbeds[cross_testbed_guid]
 760             for cross_guid in guid_list:
 761                 elem_cross_data = dict(
 762                     _guid = cross_guid,
 763                     _testbed_guid = cross_testbed_guid,
 764                     _testbed_id = cross_testbed.testbed_id,
 765                     _testbed_version = cross_testbed.testbed_version)
 766                 cross_data[cross_testbed_guid][cross_guid] = elem_cross_data
 767                 attributes_list = cross_testbed.get_attribute_list(cross_guid)
 768                 for attr_name in attributes_list:
 769                     attr_value = cross_testbed.get(cross_guid, attr_name)
 770                     elem_cross_data[attr_name] = attr_value
 771         return cross_data
 772