src/nepi/testbeds/planetlab/metadata.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 import time
   5
   6 from constants import TESTBED_ID, TESTBED_VERSION
   7 from nepi.core import metadata
   8 from nepi.core.metadata import Parallel
   9 from nepi.core.attributes import Attribute
  10 from nepi.util import tags, validation
  11 from nepi.util.constants import ApplicationStatus as AS, \
  12         FactoryCategories as FC, \
  13         ATTR_NEPI_TESTBED_ENVIRONMENT_SETUP, \
  14         DeploymentConfiguration as DC
  15
  16 import functools
  17 import os
  18 import os.path
  19 import weakref
  20
  21 NODE = "Node"
  22 NODEIFACE = "NodeInterface"
  23 TUNIFACE = "TunInterface"
  24 TAPIFACE = "TapInterface"
  25 APPLICATION = "Application"
  26 DEPENDENCY = "Dependency"
  27 NEPIDEPENDENCY = "NepiDependency"
  28 NS3DEPENDENCY = "NS3Dependency"
  29 INTERNET = "Internet"
  30 NETPIPE = "NetPipe"
  31 TUNFILTER = "TunFilter"
  32 CLASSQUEUEFILTER = "ClassQueueFilter"
  33 TOSQUEUEFILTER = "TosQueueFilter"
  34 MULTICASTFORWARDER = "MulticastForwarder"
  35 MULTICASTANNOUNCER = "MulticastAnnouncer"
  36 MULTICASTROUTER = "MulticastRouter"
  37
  38 TUNFILTERS = (TUNFILTER, CLASSQUEUEFILTER, TOSQUEUEFILTER)
  39 TAPFILTERS = (TUNFILTER, )
  40 ALLFILTERS = (TUNFILTER, CLASSQUEUEFILTER, TOSQUEUEFILTER)
  41
  42 PL_TESTBED_ID = "planetlab"
  43
  44
  45 ### Custom validation functions ###
  46 def is_addrlist(attribute, value):
  47     if not validation.is_string(attribute, value):
  48         return False
  49
  50     if not value:
  51         # No empty strings
  52         return False
  53
  54     components = value.split(',')
  55
  56     for component in components:
  57         if '/' in component:
  58             addr, mask = component.split('/',1)
  59         else:
  60             addr, mask = component, '32'
  61
  62         if mask is not None and not (mask and mask.isdigit()):
  63             # No empty or nonnumeric masks
  64             return False
  65
  66         if not validation.is_ip4_address(attribute, addr):
  67             # Address part must be ipv4
  68             return False
  69
  70     return True
  71
  72 def is_portlist(attribute, value):
  73     if not validation.is_string(attribute, value):
  74         return False
  75
  76     if not value:
  77         # No empty strings
  78         return False
  79
  80     components = value.split(',')
  81
  82     for component in components:
  83         if '-' in component:
  84             pfrom, pto = component.split('-',1)
  85         else:
  86             pfrom = pto = component
  87
  88         if not pfrom or not pto or not pfrom.isdigit() or not pto.isdigit():
  89             # No empty or nonnumeric ports
  90             return False
  91
  92     return True
  93
  94
  95 ### Connection functions ####
  96
  97 def connect_node_iface_node(testbed_instance, node_guid, iface_guid):
  98     node = testbed_instance._elements[node_guid]
  99     iface = testbed_instance._elements[iface_guid]
 100     iface.node = node
 101
 102 def connect_node_iface_inet(testbed_instance, iface_guid, inet_guid):
 103     iface = testbed_instance._elements[iface_guid]
 104     iface.has_internet = True
 105
 106 def connect_tun_iface_node(testbed_instance, node_guid, iface_guid):
 107     node = testbed_instance._elements[node_guid]
 108     iface = testbed_instance._elements[iface_guid]
 109     iface.node = node
 110     node.required_vsys.update(('fd_tuntap', 'vif_up', 'vif_down'))
 111     node.required_packages.update(('python', 'python-crypto', 'python-setuptools', 'gcc'))
 112
 113 def connect_tun_iface_peer(proto, testbed_instance, iface_guid, peer_iface_guid):
 114     iface = testbed_instance._elements[iface_guid]
 115     peer_iface = testbed_instance._elements[peer_iface_guid]
 116     iface.peer_iface = peer_iface
 117     peer_iface.peer_iface = iface
 118     iface.peer_proto = \
 119     iface.tun_proto = \
 120     peer_iface.peer_proto = \
 121     peer_iface.tun_proto = proto
 122     iface.tun_key = peer_iface.tun_key
 123
 124 def connect_tun_iface_filter(testbed_instance, iface_guid, filter_guid):
 125     iface = testbed_instance._elements[iface_guid]
 126     filt = testbed_instance._elements[filter_guid]
 127     traces = testbed_instance._get_traces(filter_guid)
 128     if 'dropped_stats' in traces:
 129         args = filt.args if filt.args else ""
 130         filt.args = ','.join(filt.args.split(',') + ["logdropped=true",])
 131     iface.filter_module = filt
 132     filt.iface_guid = iface_guid
 133     filt.iface = weakref.ref(iface)
 134
 135     if filt.peer_guid:
 136         connect_tun_iface_peer(filt.peer_proto, testbed_instance, filt.iface_guid, filt.peer_guid)
 137
 138 def connect_filter_peer(proto, testbed_instance, filter_guid, peer_guid):
 139     peer = testbed_instance._elements[peer_guid]
 140     filt = testbed_instance._elements[filter_guid]
 141     filt.peer_proto = proto
 142     filt.peer_guid = peer_guid
 143     if filt.iface_guid:
 144         connect_tun_iface_peer(filt.peer_proto, testbed_instance, filt.iface_guid, filt.peer_guid)
 145
 146 def connect_filter_filter(proto, testbed_instance, filter_guid, peer_guid):
 147     peer = testbed_instance._elements[peer_guid]
 148     filt = testbed_instance._elements[filter_guid]
 149     filt.peer_proto = proto
 150     peer.peer_proto = proto
 151     if filt.iface_guid:
 152         peer.peer_guid = filt.iface_guid
 153     if peer.iface_guid:
 154         filt.peer_guid = peer.iface_guid
 155     if filt.iface_guid and filt.peer_guid:
 156         connect_tun_iface_peer(filt.peer_proto, testbed_instance, filt.iface_guid, filt.peer_guid)
 157
 158 def crossconnect_tun_iface_peer_init(proto, testbed_instance, iface_guid, peer_iface_data):
 159     iface = testbed_instance._elements[iface_guid]
 160     iface.peer_iface = None
 161     iface.peer_addr = peer_iface_data.get("tun_addr")
 162     iface.peer_proto = peer_iface_data.get("tun_proto") or proto
 163     iface.peer_port = peer_iface_data.get("tun_port")
 164     iface.peer_cipher = peer_iface_data.get("tun_cipher")
 165     iface.tun_key = min(iface.tun_key, peer_iface_data.get("tun_key"))
 166     iface.tun_proto = proto
 167
 168     preconfigure_tuniface(testbed_instance, iface_guid)
 169
 170 def crossconnect_tun_iface_peer_compl(proto, testbed_instance, iface_guid, peer_iface_data):
 171     # refresh (refreshable) attributes for second-phase
 172     iface = testbed_instance._elements[iface_guid]
 173     iface.peer_addr = peer_iface_data.get("tun_addr")
 174     iface.peer_proto = peer_iface_data.get("tun_proto") or proto
 175     iface.peer_port = peer_iface_data.get("tun_port")
 176     iface.peer_cipher = peer_iface_data.get("tun_cipher")
 177
 178     postconfigure_tuniface(testbed_instance, iface_guid)
 179
 180 def crossconnect_tun_iface_peer_both(proto, testbed_instance, iface_guid, peer_iface_data):
 181     crossconnect_tun_iface_peer_init(proto, testbed_instance, iface_guid, peer_iface_data)
 182     crossconnect_tun_iface_peer_compl(proto, testbed_instance, iface_guid, peer_iface_data)
 183
 184 def crossconnect_filter_peer_init(proto, testbed_instance, filter_guid, peer_data):
 185     filt = testbed_instance._elements[filter_guid]
 186     filt.peer_proto = proto
 187     crossconnect_tun_iface_peer_init(filt.peer_proto, testbed_instance, filt.iface_guid, peer_data)
 188
 189 def crossconnect_filter_peer_compl(proto, testbed_instance, filter_guid, peer_data):
 190     filt = testbed_instance._elements[filter_guid]
 191     filt.peer_proto = proto
 192     crossconnect_tun_iface_peer_compl(filt.peer_proto, testbed_instance, filt.iface_guid, peer_data)
 193
 194 def crossconnect_filter_peer_both(proto, testbed_instance, filter_guid, peer_data):
 195     crossconnect_filter_peer_init(proto, testbed_instance, iface_guid, peer_iface_data)
 196     crossconnect_filter_peer_compl(proto, testbed_instance, iface_guid, peer_iface_data)
 197
 198 def connect_dep(testbed_instance, node_guid, app_guid, node=None, app=None):
 199     node = node or testbed_instance._elements[node_guid]
 200     app = app or testbed_instance._elements[app_guid]
 201     app.node = node
 202
 203     if app.depends:
 204         node.required_packages.update(set(
 205             app.depends.split() ))
 206
 207     if app.add_to_path:
 208         if app.home_path and app.home_path not in node.pythonpath:
 209             node.pythonpath.append(app.home_path)
 210
 211     if app.env:
 212         for envkey, envval in app.env.iteritems():
 213             envval = app._replace_paths(envval)
 214             node.env[envkey].append(envval)
 215
 216     if app.rpmFusion:
 217         node.rpmFusion = True
 218
 219 def connect_forwarder(testbed_instance, node_guid, fwd_guid):
 220     node = testbed_instance._elements[node_guid]
 221     fwd = testbed_instance._elements[fwd_guid]
 222     node.multicast_forwarder = fwd
 223
 224     if fwd.router:
 225         connect_dep(testbed_instance, node_guid, None, app=fwd.router)
 226
 227     connect_dep(testbed_instance, node_guid, fwd_guid)
 228
 229 def connect_router(testbed_instance, fwd_guid, router_guid):
 230     fwd = testbed_instance._elements[fwd_guid]
 231     router = testbed_instance._elements[router_guid]
 232     fwd.router = router
 233
 234     if fwd.node:
 235         connect_dep(testbed_instance, None, router_guid, node=fwd.node)
 236
 237 def connect_node_netpipe(testbed_instance, node_guid, netpipe_guid):
 238     node = testbed_instance._elements[node_guid]
 239     netpipe = testbed_instance._elements[netpipe_guid]
 240     netpipe.node = node
 241     node.required_vsys.add('ipfw-be')
 242     node.required_packages.add('ipfwslice')
 243
 244
 245 ### Creation functions ###
 246
 247 def create_node(testbed_instance, guid):
 248     parameters = testbed_instance._get_parameters(guid)
 249
 250     # create element with basic attributes
 251     element = testbed_instance._make_node(parameters)
 252
 253     # add constraint on number of (real) interfaces
 254     # by counting connected devices
 255     dev_guids = testbed_instance.get_connected(guid, "devs", "node")
 256     num_open_ifaces = sum( # count True values
 257         NODEIFACE == testbed_instance._get_factory_id(guid)
 258         for guid in dev_guids )
 259     element.min_num_external_ifaces = num_open_ifaces
 260
 261     # require vroute vsys if we have routes to set up
 262     routes = testbed_instance._add_route.get(guid)
 263     if routes:
 264         vsys = element.routing_method(routes,
 265             testbed_instance.vsys_vnet)
 266         element.required_vsys.add(vsys)
 267
 268     testbed_instance.elements[guid] = element
 269
 270 def create_nodeiface(testbed_instance, guid):
 271     parameters = testbed_instance._get_parameters(guid)
 272     element = testbed_instance._make_node_iface(parameters)
 273     testbed_instance.elements[guid] = element
 274
 275 def create_tuniface(testbed_instance, guid):
 276     parameters = testbed_instance._get_parameters(guid)
 277     element = testbed_instance._make_tun_iface(parameters)
 278
 279     # Set custom addresses, if there are any already
 280     # Setting this early helps set up P2P links
 281     if guid in testbed_instance._add_address and not (element.address or element.netmask or element.netprefix):
 282         addresses = testbed_instance._add_address[guid]
 283         for address in addresses:
 284             (address, netprefix, broadcast) = address
 285             element.add_address(address, netprefix, broadcast)
 286
 287     testbed_instance.elements[guid] = element
 288
 289 def create_tapiface(testbed_instance, guid):
 290     parameters = testbed_instance._get_parameters(guid)
 291     element = testbed_instance._make_tap_iface(parameters)
 292
 293     # Set custom addresses, if there are any already
 294     # Setting this early helps set up P2P links
 295     if guid in testbed_instance._add_address and not (element.address or element.netmask or element.netprefix):
 296         addresses = testbed_instance._add_address[guid]
 297         for address in addresses:
 298             (address, netprefix, broadcast) = address
 299             element.add_address(address, netprefix, broadcast)
 300
 301     testbed_instance.elements[guid] = element
 302
 303 def create_tunfilter(testbed_instance, guid):
 304     parameters = testbed_instance._get_parameters(guid)
 305     element = testbed_instance._make_tun_filter(parameters)
 306     testbed_instance.elements[guid] = element
 307
 308 def create_classqueuefilter(testbed_instance, guid):
 309     parameters = testbed_instance._get_parameters(guid)
 310     element = testbed_instance._make_class_queue_filter(parameters)
 311     testbed_instance.elements[guid] = element
 312
 313 def create_tosqueuefilter(testbed_instance, guid):
 314     parameters = testbed_instance._get_parameters(guid)
 315     element = testbed_instance._make_tos_queue_filter(parameters)
 316     testbed_instance.elements[guid] = element
 317
 318 def create_application(testbed_instance, guid):
 319     parameters = testbed_instance._get_parameters(guid)
 320     element = testbed_instance._make_application(parameters)
 321
 322     # Just inject configuration stuff
 323     element.home_path = "nepi-app-%s" % (guid,)
 324
 325     testbed_instance.elements[guid] = element
 326
 327 def create_dependency(testbed_instance, guid):
 328     parameters = testbed_instance._get_parameters(guid)
 329     element = testbed_instance._make_dependency(parameters)
 330
 331     # Just inject configuration stuff
 332     element.home_path = "nepi-dep-%s" % (guid,)
 333
 334     testbed_instance.elements[guid] = element
 335
 336 def create_nepi_dependency(testbed_instance, guid):
 337     parameters = testbed_instance._get_parameters(guid)
 338     element = testbed_instance._make_nepi_dependency(parameters)
 339
 340     # Just inject configuration stuff
 341     element.home_path = "nepi-nepi-%s" % (guid,)
 342
 343     testbed_instance.elements[guid] = element
 344
 345 def create_ns3_dependency(testbed_instance, guid):
 346     parameters = testbed_instance._get_parameters(guid)
 347     element = testbed_instance._make_ns3_dependency(parameters)
 348
 349     # Just inject configuration stuff
 350     element.home_path = "nepi-ns3-%s" % (guid,)
 351
 352     testbed_instance.elements[guid] = element
 353
 354 def create_multicast_forwarder(testbed_instance, guid):
 355     parameters = testbed_instance._get_parameters(guid)
 356     element = testbed_instance._make_multicast_forwarder(parameters)
 357
 358     # Just inject configuration stuff
 359     element.home_path = "nepi-mcfwd-%s" % (guid,)
 360
 361     testbed_instance.elements[guid] = element
 362
 363 def create_multicast_announcer(testbed_instance, guid):
 364     parameters = testbed_instance._get_parameters(guid)
 365     element = testbed_instance._make_multicast_announcer(parameters)
 366
 367     # Just inject configuration stuff
 368     element.home_path = "nepi-mcann-%s" % (guid,)
 369
 370     testbed_instance.elements[guid] = element
 371
 372 def create_multicast_router(testbed_instance, guid):
 373     parameters = testbed_instance._get_parameters(guid)
 374     element = testbed_instance._make_multicast_router(parameters)
 375
 376     # Just inject configuration stuff
 377     element.home_path = "nepi-mcrt-%s" % (guid,)
 378
 379     testbed_instance.elements[guid] = element
 380
 381 def create_internet(testbed_instance, guid):
 382     parameters = testbed_instance._get_parameters(guid)
 383     element = testbed_instance._make_internet(parameters)
 384     testbed_instance.elements[guid] = element
 385
 386 def create_netpipe(testbed_instance, guid):
 387     parameters = testbed_instance._get_parameters(guid)
 388     element = testbed_instance._make_netpipe(parameters)
 389     testbed_instance.elements[guid] = element
 390
 391 ### Start/Stop functions ###
 392
 393 def start_application(testbed_instance, guid):
 394     parameters = testbed_instance._get_parameters(guid)
 395     traces = testbed_instance._get_traces(guid)
 396     app = testbed_instance.elements[guid]
 397
 398     app.stdout = "stdout" in traces
 399     app.stderr = "stderr" in traces
 400     app.buildlog = "buildlog" in traces
 401     app.outout = "output" in traces
 402
 403     app.start()
 404
 405 def stop_application(testbed_instance, guid):
 406     app = testbed_instance.elements[guid]
 407     app.kill()
 408
 409 ### Status functions ###
 410
 411 def status_application(testbed_instance, guid):
 412     if guid not in testbed_instance.elements.keys():
 413         return AS.STATUS_NOT_STARTED
 414
 415     app = testbed_instance.elements[guid]
 416     return app.status()
 417
 418 ### Configure functions ###
 419
 420 def configure_nodeiface(testbed_instance, guid):
 421     element = testbed_instance._elements[guid]
 422
 423     # Cannot explicitly configure addresses
 424     if guid in testbed_instance._add_address:
 425         raise ValueError, "Cannot explicitly set address of public PlanetLab interface"
 426
 427     # Get siblings
 428     node_guid = testbed_instance.get_connected(guid, "node", "devs")[0]
 429     dev_guids = testbed_instance.get_connected(node_guid, "node", "devs")
 430     siblings = [ self._element[dev_guid]
 431                  for dev_guid in dev_guids
 432                  if dev_guid != guid ]
 433
 434     # Fetch address from PLC api
 435     element.pick_iface(siblings)
 436
 437     # Do some validations
 438     element.validate()
 439
 440 def preconfigure_tuniface(testbed_instance, guid):
 441     element = testbed_instance._elements[guid]
 442
 443     # Set custom addresses if any, and if not set already
 444     if guid in testbed_instance._add_address and not (element.address or element.netmask or element.netprefix):
 445         addresses = testbed_instance._add_address[guid]
 446         for address in addresses:
 447             (address, netprefix, broadcast) = address
 448             element.add_address(address, netprefix, broadcast)
 449
 450     # Link to external interface, if any
 451     for iface in testbed_instance._elements.itervalues():
 452         if isinstance(iface, testbed_instance._interfaces.NodeIface) and iface.node is element.node and iface.has_internet:
 453             element.external_iface = iface
 454             break
 455
 456     # Set standard TUN attributes
 457     if (not element.tun_addr or not element.tun_port) and element.external_iface:
 458         element.tun_addr = element.external_iface.address
 459         element.tun_port = testbed_instance.tapPortBase + int(guid)
 460
 461     # Set enabled traces
 462     traces = testbed_instance._get_traces(guid)
 463     for capmode in ('pcap', 'packets'):
 464         if capmode in traces:
 465             element.capture = capmode
 466             break
 467     else:
 468         element.capture = False
 469
 470     # Do some validations
 471     element.validate()
 472
 473     # First-phase setup
 474     element.prepare('tun-%s' % (guid,))
 475
 476 def postconfigure_tuniface(testbed_instance, guid):
 477     element = testbed_instance._elements[guid]
 478
 479     # Second-phase setup
 480     element.launch()
 481
 482 def prestart_tuniface(testbed_instance, guid):
 483     element = testbed_instance._elements[guid]
 484
 485     # Second-phase setup
 486     element.wait()
 487
 488 def configure_node(testbed_instance, guid):
 489     node = testbed_instance._elements[guid]
 490
 491     # Just inject configuration stuff
 492     node.home_path = "nepi-node-%s" % (guid,)
 493     node.ident_path = testbed_instance.sliceSSHKey
 494     node.slicename = testbed_instance.slicename
 495
 496     # Do some validations
 497     node.validate()
 498
 499     # this will be done in parallel in all nodes
 500     # this call only spawns the process
 501     node.install_dependencies()
 502
 503 def configure_node_routes(testbed_instance, guid):
 504     node = testbed_instance._elements[guid]
 505     routes = testbed_instance._add_route.get(guid)
 506
 507     if routes:
 508         devs = [ dev
 509             for dev_guid in testbed_instance.get_connected(guid, "devs", "node")
 510             for dev in ( testbed_instance._elements.get(dev_guid) ,)
 511             if dev and isinstance(dev, testbed_instance._interfaces.TunIface) ]
 512
 513         vsys = testbed_instance.vsys_vnet
 514
 515         node.configure_routes(routes, devs, vsys)
 516
 517 def configure_application(testbed_instance, guid):
 518     app = testbed_instance._elements[guid]
 519
 520     # Do some validations
 521     app.validate()
 522
 523     # Wait for dependencies
 524     app.node.wait_dependencies()
 525
 526     # Install stuff
 527     app.async_setup()
 528
 529 def configure_dependency(testbed_instance, guid):
 530     dep = testbed_instance._elements[guid]
 531
 532     # Do some validations
 533     dep.validate()
 534
 535     # Wait for dependencies
 536     dep.node.wait_dependencies()
 537
 538     # Install stuff
 539     dep.async_setup()
 540
 541 def configure_announcer(testbed_instance, guid):
 542     # Link ifaces
 543     fwd = testbed_instance._elements[guid]
 544     fwd.ifaces = [ dev
 545         for node_guid in testbed_instance.get_connected(guid, "node", "apps")
 546         for dev_guid in testbed_instance.get_connected(node_guid, "devs", "node")
 547         for dev in ( testbed_instance._elements.get(dev_guid) ,)
 548         if dev and isinstance(dev, testbed_instance._interfaces.TunIface)
 549             and dev.multicast ]
 550
 551     # Install stuff
 552     configure_dependency(testbed_instance, guid)
 553
 554 def configure_forwarder(testbed_instance, guid):
 555     configure_announcer(testbed_instance, guid)
 556
 557     # Link ifaces to forwarder
 558     fwd = testbed_instance._elements[guid]
 559     for iface in fwd.ifaces:
 560         iface.multicast_forwarder = '/var/run/mcastfwd'
 561
 562 def configure_router(testbed_instance, guid):
 563     # Link ifaces
 564     rt = testbed_instance._elements[guid]
 565     rt.nonifaces = [ dev
 566         for fwd_guid in testbed_instance.get_connected(guid, "fwd", "router")
 567         for node_guid in testbed_instance.get_connected(fwd_guid, "node", "apps")
 568         for dev_guid in testbed_instance.get_connected(node_guid, "devs", "node")
 569         for dev in ( testbed_instance._elements.get(dev_guid) ,)
 570         if dev and isinstance(dev, testbed_instance._interfaces.TunIface)
 571             and not dev.multicast ]
 572
 573     # Install stuff
 574     configure_dependency(testbed_instance, guid)
 575
 576 def configure_netpipe(testbed_instance, guid):
 577     netpipe = testbed_instance._elements[guid]
 578
 579     # Do some validations
 580     netpipe.validate()
 581
 582     # Wait for dependencies
 583     netpipe.node.wait_dependencies()
 584
 585     # Install rules
 586     netpipe.configure()
 587
 588 ### Factory information ###
 589
 590 connector_types = dict({
 591     "apps": dict({
 592                 "help": "Connector from node to applications",
 593                 "name": "apps",
 594                 "max": -1,
 595                 "min": 0
 596             }),
 597     "devs": dict({
 598                 "help": "Connector from node to network interfaces",
 599                 "name": "devs",
 600                 "max": -1,
 601                 "min": 0
 602             }),
 603     "deps": dict({
 604                 "help": "Connector from node to application dependencies "
 605                         "(packages and applications that need to be installed)",
 606                 "name": "deps",
 607                 "max": -1,
 608                 "min": 0
 609             }),
 610     "inet": dict({
 611                 "help": "Connector from network interfaces to the internet",
 612                 "name": "inet",
 613                 "max": 1,
 614                 "min": 1
 615             }),
 616     "node": dict({
 617                 "help": "Connector to a Node",
 618                 "name": "node",
 619                 "max": 1,
 620                 "min": 1
 621             }),
 622     "router": dict({
 623                 "help": "Connector to a routing daemon",
 624                 "name": "router",
 625                 "max": 1,
 626                 "min": 1
 627             }),
 628     "fwd": dict({
 629                 "help": "Forwarder this routing daemon communicates with",
 630                 "name": "fwd",
 631                 "max": 1,
 632                 "min": 1
 633             }),
 634     "pipes": dict({
 635                 "help": "Connector to a NetPipe",
 636                 "name": "pipes",
 637                 "max": 2,
 638                 "min": 0
 639             }),
 640
 641     "tcp": dict({
 642                 "help": "ip-ip tunneling over TCP link",
 643                 "name": "tcp",
 644                 "max": 1,
 645                 "min": 0
 646             }),
 647     "udp": dict({
 648                 "help": "ip-ip tunneling over UDP datagrams",
 649                 "name": "udp",
 650                 "max": 1,
 651                 "min": 0
 652             }),
 653     "gre": dict({
 654                 "help": "IP or Ethernet tunneling using the GRE protocol",
 655                 "name": "gre",
 656                 "max": 1,
 657                 "min": 0
 658             }),
 659     "fd->": dict({
 660                 "help": "TUN device file descriptor provider",
 661                 "name": "fd->",
 662                 "max": 1,
 663                 "min": 0
 664             }),
 665     "->fd": dict({
 666                 "help": "TUN device file descriptor slot",
 667                 "name": "->fd",
 668                 "max": 1,
 669                 "min": 0
 670             }),
 671    })
 672
 673 connections = [
 674     dict({
 675         "from": (TESTBED_ID, NODE, "devs"),
 676         "to":   (TESTBED_ID, NODEIFACE, "node"),
 677         "init_code": connect_node_iface_node,
 678         "can_cross": False
 679     }),
 680     dict({
 681         "from": (TESTBED_ID, NODE, "devs"),
 682         "to":   (TESTBED_ID, TUNIFACE, "node"),
 683         "init_code": connect_tun_iface_node,
 684         "can_cross": False
 685     }),
 686     dict({
 687         "from": (TESTBED_ID, NODE, "devs"),
 688         "to":   (TESTBED_ID, TAPIFACE, "node"),
 689         "init_code": connect_tun_iface_node,
 690         "can_cross": False
 691     }),
 692     dict({
 693         "from": (TESTBED_ID, NODEIFACE, "inet"),
 694         "to":   (TESTBED_ID, INTERNET, "devs"),
 695         "init_code": connect_node_iface_inet,
 696         "can_cross": False
 697     }),
 698     dict({
 699         "from": (TESTBED_ID, NODE, "apps"),
 700         "to":   (TESTBED_ID, (APPLICATION, MULTICASTANNOUNCER), "node"),
 701         "init_code": connect_dep,
 702         "can_cross": False
 703     }),
 704     dict({
 705         "from": (TESTBED_ID, NODE, "deps"),
 706         "to":   (TESTBED_ID, (DEPENDENCY, NEPIDEPENDENCY, NS3DEPENDENCY), "node"),
 707         "init_code": connect_dep,
 708         "can_cross": False
 709     }),
 710     dict({
 711         "from": (TESTBED_ID, NODE, "pipes"),
 712         "to":   (TESTBED_ID, NETPIPE, "node"),
 713         "init_code": connect_node_netpipe,
 714         "can_cross": False
 715     }),
 716     dict({
 717         "from": (TESTBED_ID, NODE, "apps"),
 718         "to":   (TESTBED_ID, MULTICASTFORWARDER, "node"),
 719         "init_code": connect_forwarder,
 720         "can_cross": False
 721     }),
 722     dict({
 723         "from": (TESTBED_ID, MULTICASTFORWARDER, "router"),
 724         "to":   (TESTBED_ID, MULTICASTROUTER, "fwd"),
 725         "init_code": connect_router,
 726         "can_cross": False
 727     }),
 728     dict({
 729         "from": (TESTBED_ID, TUNIFACE, "tcp"),
 730         "to":   (TESTBED_ID, TUNIFACE, "tcp"),
 731         "init_code": functools.partial(connect_tun_iface_peer,"tcp"),
 732         "can_cross": False
 733     }),
 734     dict({
 735         "from": (TESTBED_ID, TUNIFACE, "udp"),
 736         "to":   (TESTBED_ID, TUNIFACE, "udp"),
 737         "init_code": functools.partial(connect_tun_iface_peer,"udp"),
 738         "can_cross": False
 739     }),
 740     dict({
 741         "from": (TESTBED_ID, TUNIFACE, "gre"),
 742         "to":   (TESTBED_ID, TUNIFACE, "gre"),
 743         "init_code": functools.partial(connect_tun_iface_peer,"gre"),
 744         "can_cross": False
 745     }),
 746     dict({
 747         "from": (TESTBED_ID, TUNIFACE, "fd->"),
 748         "to":   (TESTBED_ID, TUNFILTERS, "->fd"),
 749         "init_code": connect_tun_iface_filter,
 750         "can_cross": False
 751     }),
 752     dict({
 753         "from": (TESTBED_ID, TUNFILTERS, "tcp"),
 754         "to":   (TESTBED_ID, TUNIFACE, "tcp"),
 755         "init_code": functools.partial(connect_filter_peer,"tcp"),
 756         "can_cross": False
 757     }),
 758     dict({
 759         "from": (TESTBED_ID, TUNFILTERS, "udp"),
 760         "to":   (TESTBED_ID, TUNIFACE, "udp"),
 761         "init_code": functools.partial(connect_filter_peer,"udp"),
 762         "can_cross": False
 763     }),
 764     dict({
 765         "from": (TESTBED_ID, TAPIFACE, "tcp"),
 766         "to":   (TESTBED_ID, TAPIFACE, "tcp"),
 767         "init_code": functools.partial(connect_tun_iface_peer,"tcp"),
 768         "can_cross": False
 769     }),
 770     dict({
 771         "from": (TESTBED_ID, TAPIFACE, "udp"),
 772         "to":   (TESTBED_ID, TAPIFACE, "udp"),
 773         "init_code": functools.partial(connect_tun_iface_peer,"udp"),
 774         "can_cross": False
 775     }),
 776     dict({
 777         "from": (TESTBED_ID, TAPIFACE, "gre"),
 778         "to":   (TESTBED_ID, TAPIFACE, "gre"),
 779         "init_code": functools.partial(connect_tun_iface_peer,"gre"),
 780         "can_cross": False
 781     }),
 782     dict({
 783         "from": (TESTBED_ID, TAPIFACE, "fd->"),
 784         "to":   (TESTBED_ID, TAPFILTERS, "->fd"),
 785         "init_code": connect_tun_iface_filter,
 786         "can_cross": False
 787     }),
 788     dict({
 789         "from": (TESTBED_ID, TAPFILTERS, "tcp"),
 790         "to":   (TESTBED_ID, TAPIFACE, "tcp"),
 791         "init_code": functools.partial(connect_filter_peer,"tcp"),
 792         "can_cross": False
 793     }),
 794     dict({
 795         "from": (TESTBED_ID, TAPFILTERS, "udp"),
 796         "to":   (TESTBED_ID, TAPIFACE, "udp"),
 797         "init_code": functools.partial(connect_filter_peer,"udp"),
 798         "can_cross": False
 799     }),
 800     dict({
 801         "from": (TESTBED_ID, TUNFILTERS, "tcp"),
 802         "to":   (TESTBED_ID, TUNFILTERS, "tcp"),
 803         "init_code": functools.partial(connect_filter_filter,"tcp"),
 804         "can_cross": False
 805     }),
 806     dict({
 807         "from": (TESTBED_ID, TUNFILTERS, "udp"),
 808         "to":   (TESTBED_ID, TUNFILTERS, "udp"),
 809         "init_code": functools.partial(connect_filter_filter,"udp"),
 810         "can_cross": False
 811     }),
 812     dict({
 813         "from": (TESTBED_ID, TAPFILTERS, "tcp"),
 814         "to":   (TESTBED_ID, TAPFILTERS, "tcp"),
 815         "init_code": functools.partial(connect_filter_filter,"tcp"),
 816         "can_cross": False
 817     }),
 818     dict({
 819         "from": (TESTBED_ID, TAPFILTERS, "udp"),
 820         "to":   (TESTBED_ID, TAPFILTERS, "udp"),
 821         "init_code": functools.partial(connect_filter_filter,"udp"),
 822         "can_cross": False
 823     }),
 824     dict({
 825         "from": (TESTBED_ID, TUNIFACE, "tcp"),
 826         "to":   (None, None, "tcp"),
 827         "init_code": functools.partial(crossconnect_tun_iface_peer_init,"tcp"),
 828         "compl_code": functools.partial(crossconnect_tun_iface_peer_compl,"tcp"),
 829         "can_cross": True
 830     }),
 831     dict({
 832         "from": (TESTBED_ID, TUNIFACE, "udp"),
 833         "to":   (None, None, "udp"),
 834         "init_code": functools.partial(crossconnect_tun_iface_peer_init,"udp"),
 835         "compl_code": functools.partial(crossconnect_tun_iface_peer_compl,"udp"),
 836         "can_cross": True
 837     }),
 838     dict({
 839         "from": (TESTBED_ID, TUNIFACE, "fd->"),
 840         "to":   (None, None, "->fd"),
 841         "compl_code": functools.partial(crossconnect_tun_iface_peer_both,"fd"),
 842         "can_cross": True
 843     }),
 844     dict({
 845         "from": (TESTBED_ID, TUNIFACE, "gre"),
 846         "to":   (None, None, "gre"),
 847         "compl_code": functools.partial(crossconnect_tun_iface_peer_both,"gre"),
 848         "can_cross": True
 849     }),
 850     dict({
 851         "from": (TESTBED_ID, TAPIFACE, "tcp"),
 852         "to":   (None, None, "tcp"),
 853         "init_code": functools.partial(crossconnect_tun_iface_peer_init,"tcp"),
 854         "compl_code": functools.partial(crossconnect_tun_iface_peer_compl,"tcp"),
 855         "can_cross": True
 856     }),
 857     dict({
 858         "from": (TESTBED_ID, TAPIFACE, "udp"),
 859         "to":   (None, None, "udp"),
 860         "init_code": functools.partial(crossconnect_tun_iface_peer_init,"udp"),
 861         "compl_code": functools.partial(crossconnect_tun_iface_peer_compl,"udp"),
 862         "can_cross": True
 863     }),
 864     dict({
 865         "from": (TESTBED_ID, TAPIFACE, "fd->"),
 866         "to":   (None, None, "->fd"),
 867         "compl_code": functools.partial(crossconnect_tun_iface_peer_both,"fd"),
 868         "can_cross": True
 869     }),
 870     # EGRE is an extension of PlanetLab, so we can't connect externally
 871     # if the other testbed isn't another PlanetLab
 872     dict({
 873         "from": (TESTBED_ID, TAPIFACE, "gre"),
 874         "to":   (TESTBED_ID, None, "gre"),
 875         "compl_code": functools.partial(crossconnect_tun_iface_peer_both,"gre"),
 876         "can_cross": True
 877     }),
 878     dict({
 879         "from": (TESTBED_ID, ALLFILTERS, "tcp"),
 880         "to":   (None, None, "tcp"),
 881         "init_code": functools.partial(crossconnect_filter_peer_init,"tcp"),
 882         "compl_code": functools.partial(crossconnect_filter_peer_compl,"tcp"),
 883         "can_cross": True
 884     }),
 885     dict({
 886         "from": (TESTBED_ID, ALLFILTERS, "udp"),
 887         "to":   (None, None, "udp"),
 888         "init_code": functools.partial(crossconnect_filter_peer_init,"udp"),
 889         "compl_code": functools.partial(crossconnect_filter_peer_compl,"udp"),
 890         "can_cross": True
 891     }),
 892 ]
 893
 894 attributes = dict({
 895     "forward_X11": dict({
 896                 "name": "forward_X11",
 897                 "help": "Forward x11 from main namespace to the node",
 898                 "type": Attribute.BOOL,
 899                 "value": False,
 900                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 901                 "validation_function": validation.is_bool,
 902             }),
 903     "hostname": dict({
 904                 "name": "hostname",
 905                 "help": "Constrain hostname during resource discovery. May use wildcards.",
 906                 "type": Attribute.STRING,
 907                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 908                 "validation_function": validation.is_string,
 909             }),
 910     "city": dict({
 911                 "name": "city",
 912                 "help": "Constrain location (city) during resource discovery. May use wildcards.",
 913                 "type": Attribute.STRING,
 914                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 915                 "validation_function": validation.is_string,
 916             }),
 917     "country": dict({
 918                 "name": "hostname",
 919                 "help": "Constrain location (country) during resource discovery. May use wildcards.",
 920                 "type": Attribute.STRING,
 921                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 922                 "validation_function": validation.is_string,
 923             }),
 924     "region": dict({
 925                 "name": "hostname",
 926                 "help": "Constrain location (region) during resource discovery. May use wildcards.",
 927                 "type": Attribute.STRING,
 928                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 929                 "validation_function": validation.is_string,
 930             }),
 931     "architecture": dict({
 932                 "name": "architecture",
 933                 "help": "Constrain architexture during resource discovery.",
 934                 "type": Attribute.ENUM,
 935                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 936                 "allowed": ["x86_64",
 937                             "i386"],
 938                 "validation_function": validation.is_enum,
 939             }),
 940     "operating_system": dict({
 941                 "name": "operatingSystem",
 942                 "help": "Constrain operating system during resource discovery.",
 943                 "type": Attribute.ENUM,
 944                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 945                 "allowed": ["f8",
 946                             "f12",
 947                             "f14",
 948                             "centos",
 949                             "other"],
 950                 "validation_function": validation.is_enum,
 951             }),
 952     "site": dict({
 953                 "name": "site",
 954                 "help": "Constrain the PlanetLab site this node should reside on.",
 955                 "type": Attribute.ENUM,
 956                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 957                 "allowed": ["PLE",
 958                             "PLC",
 959                             "PLJ"],
 960                 "validation_function": validation.is_enum,
 961             }),
 962     "min_reliability": dict({
 963                 "name": "minReliability",
 964                 "help": "Constrain reliability while picking PlanetLab nodes. Specifies a lower acceptable bound.",
 965                 "type": Attribute.DOUBLE,
 966                 "range": (0,100),
 967                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 968                 "validation_function": validation.is_number,
 969             }),
 970     "max_reliability": dict({
 971                 "name": "maxReliability",
 972                 "help": "Constrain reliability while picking PlanetLab nodes. Specifies an upper acceptable bound.",
 973                 "type": Attribute.DOUBLE,
 974                 "range": (0,100),
 975                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 976                 "validation_function": validation.is_number,
 977             }),
 978     "min_bandwidth": dict({
 979                 "name": "minBandwidth",
 980                 "help": "Constrain available bandwidth while picking PlanetLab nodes. Specifies a lower acceptable bound.",
 981                 "type": Attribute.DOUBLE,
 982                 "range": (0,2**31),
 983                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 984                 "validation_function": validation.is_number,
 985             }),
 986     "max_bandwidth": dict({
 987                 "name": "maxBandwidth",
 988                 "help": "Constrain available bandwidth while picking PlanetLab nodes. Specifies an upper acceptable bound.",
 989                 "type": Attribute.DOUBLE,
 990                 "range": (0,2**31),
 991                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 992                 "validation_function": validation.is_number,
 993             }),
 994     "min_load": dict({
 995                 "name": "minLoad",
 996                 "help": "Constrain node load average while picking PlanetLab nodes. Specifies a lower acceptable bound.",
 997                 "type": Attribute.DOUBLE,
 998                 "range": (0,2**31),
 999                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1000                 "validation_function": validation.is_number,
1001             }),
1002     "max_load": dict({
1003                 "name": "maxLoad",
1004                 "help": "Constrain node load average while picking PlanetLab nodes. Specifies an upper acceptable bound.",
1005                 "type": Attribute.DOUBLE,
1006                 "range": (0,2**31),
1007                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1008                 "validation_function": validation.is_number,
1009             }),
1010     "min_cpu": dict({
1011                 "name": "minCpu",
1012                 "help": "Constrain available cpu time while picking PlanetLab nodes. Specifies a lower acceptable bound.",
1013                 "type": Attribute.DOUBLE,
1014                 "range": (0,100),
1015                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1016                 "validation_function": validation.is_number,
1017             }),
1018     "max_cpu": dict({
1019                 "name": "maxCpu",
1020                 "help": "Constrain available cpu time while picking PlanetLab nodes. Specifies an upper acceptable bound.",
1021                 "type": Attribute.DOUBLE,
1022                 "range": (0,100),
1023                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1024                 "validation_function": validation.is_number,
1025             }),
1026
1027     "up": dict({
1028                 "name": "up",
1029                 "help": "Link up",
1030                 "type": Attribute.BOOL,
1031                 "value": False,
1032                 "validation_function": validation.is_bool
1033             }),
1034     "primary": dict({
1035                 "name": "primary",
1036                 "help": "This is the primary interface for the attached node",
1037                 "type": Attribute.BOOL,
1038                 "value": True,
1039                 "validation_function": validation.is_bool
1040             }),
1041     "if_name": dict({
1042                 "name": "if_name",
1043                 "help": "Device name",
1044                 "type": Attribute.STRING,
1045                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1046                 "validation_function": validation.is_string
1047             }),
1048     "mtu":  dict({
1049                 "name": "mtu",
1050                 "help": "Maximum transmition unit for device",
1051                 "type": Attribute.INTEGER,
1052                 "range": (0,1500),
1053                 "validation_function": validation.is_integer_range(0,1500)
1054             }),
1055     "mask":  dict({
1056                 "name": "mask",
1057                 "help": "Network mask for the device (eg: 24 for /24 network)",
1058                 "type": Attribute.INTEGER,
1059                 "validation_function": validation.is_integer_range(8,24)
1060             }),
1061     "snat":  dict({
1062                 "name": "snat",
1063                 "help": "Enable SNAT (source NAT to the internet) no this device",
1064                 "type": Attribute.BOOL,
1065                 "value": False,
1066                 "validation_function": validation.is_bool
1067             }),
1068     "multicast":  dict({
1069                 "name": "multicast",
1070                 "help": "Enable multicast forwarding on this device. "
1071                         "Note that you still need a multicast routing daemon "
1072                         "in the node.",
1073                 "type": Attribute.BOOL,
1074                 "value": False,
1075                 "validation_function": validation.is_bool
1076             }),
1077     "pointopoint":  dict({
1078                 "name": "pointopoint",
1079                 "help": "If the interface is a P2P link, the remote endpoint's IP "
1080                         "should be set on this attribute.",
1081                 "type": Attribute.STRING,
1082                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1083                 "validation_function": validation.is_string
1084             }),
1085     "bwlimit":  dict({
1086                 "name": "bwlimit",
1087                 "help": "Emulated transmission speed (in kbytes per second)",
1088                 "type": Attribute.INTEGER,
1089                 "range" : (1,10*2**20),
1090                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1091                 "validation_function": validation.is_integer
1092             }),
1093     "txqueuelen":  dict({
1094                 "name": "txqueuelen",
1095                 "help": "Transmission queue length (in packets)",
1096                 "type": Attribute.INTEGER,
1097                 "value": 1000,
1098                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1099                 "range" : (1,10000),
1100                 "validation_function": validation.is_integer
1101             }),
1102
1103     "command": dict({
1104                 "name": "command",
1105                 "help": "Command line string",
1106                 "type": Attribute.STRING,
1107                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1108                 "validation_function": validation.is_string
1109             }),
1110     "sudo": dict({
1111                 "name": "sudo",
1112                 "help": "Run with root privileges",
1113                 "type": Attribute.BOOL,
1114                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1115                 "value": False,
1116                 "validation_function": validation.is_bool
1117             }),
1118     "stdin": dict({
1119                 "name": "stdin",
1120                 "help": "Standard input",
1121                 "type": Attribute.STRING,
1122                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1123                 "validation_function": validation.is_string
1124             }),
1125
1126     "depends": dict({
1127                 "name": "depends",
1128                 "help": "Space-separated list of packages required to run the application",
1129                 "type": Attribute.STRING,
1130                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1131                 "validation_function": validation.is_string
1132             }),
1133     "build-depends": dict({
1134                 "name": "buildDepends",
1135                 "help": "Space-separated list of packages required to build the application",
1136                 "type": Attribute.STRING,
1137                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1138                 "validation_function": validation.is_string
1139             }),
1140     "rpm-fusion": dict({
1141                 "name": "rpmFusion",
1142                 "help": "True if required packages can be found in the RpmFusion repository",
1143                 "type": Attribute.BOOL,
1144                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1145                 "value": False,
1146                 "validation_function": validation.is_bool
1147             }),
1148     "sources": dict({
1149                 "name": "sources",
1150                 "help": "Space-separated list of regular files to be deployed in the working path prior to building. "
1151                         "Archives won't be expanded automatically.",
1152                 "type": Attribute.STRING,
1153                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1154                 "validation_function": validation.is_string
1155             }),
1156     "build": dict({
1157                 "name": "build",
1158                 "help": "Build commands to execute after deploying the sources. "
1159                         "Sources will be in the ${SOURCES} folder. "
1160                         "Example: tar xzf ${SOURCES}/my-app.tgz && cd my-app && ./configure && make && make clean.\n"
1161                         "Try to make the commands return with a nonzero exit code on error.\n"
1162                         "Also, do not install any programs here, use the 'install' attribute. This will "
1163                         "help keep the built files constrained to the build folder (which may "
1164                         "not be the home folder), and will result in faster deployment. Also, "
1165                         "make sure to clean up temporary files, to reduce bandwidth usage between "
1166                         "nodes when transferring built packages.",
1167                 "type": Attribute.STRING,
1168                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1169                 "validation_function": validation.is_string
1170             }),
1171     "install": dict({
1172                 "name": "install",
1173                 "help": "Commands to transfer built files to their final destinations. "
1174                         "Sources will be in the initial working folder, and a special "
1175                         "tag ${SOURCES} can be used to reference the experiment's "
1176                         "home folder (where the application commands will run).\n"
1177                         "ALL sources and targets needed for execution must be copied there, "
1178                         "if building has been enabled.\n"
1179                         "That is, 'slave' nodes will not automatically get any source files. "
1180                         "'slave' nodes don't get build dependencies either, so if you need "
1181                         "make and other tools to install, be sure to provide them as "
1182                         "actual dependencies instead.",
1183                 "type": Attribute.STRING,
1184                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1185                 "validation_function": validation.is_string
1186             }),
1187
1188     "netpipe_mode": dict({
1189                 "name": "mode",
1190                 "help": "Link mode:\n"
1191                         " * SERVER: applies to incoming connections\n"
1192                         " * CLIENT: applies to outgoing connections\n"
1193                         " * SERVICE: applies to both",
1194                 "type": Attribute.ENUM,
1195                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1196                 "allowed": ["SERVER",
1197                             "CLIENT",
1198                             "SERVICE"],
1199                 "validation_function": validation.is_enum,
1200             }),
1201     "port_list":  dict({
1202                 "name": "portList",
1203                 "help": "Port list or range. Eg: '22', '22,23,27', '20-2000'",
1204                 "type": Attribute.STRING,
1205                 "validation_function": is_portlist,
1206             }),
1207     "addr_list":  dict({
1208                 "name": "addrList",
1209                 "help": "Address list or range. Eg: '127.0.0.1', '127.0.0.1,127.0.1.1', '127.0.0.1/8'",
1210                 "type": Attribute.STRING,
1211                 "validation_function": is_addrlist,
1212             }),
1213     "bw_in":  dict({
1214                 "name": "bwIn",
1215                 "help": "Inbound bandwidth limit (in Mbit/s)",
1216                 "type": Attribute.DOUBLE,
1217                 "validation_function": validation.is_number,
1218             }),
1219     "bw_out":  dict({
1220                 "name": "bwOut",
1221                 "help": "Outbound bandwidth limit (in Mbit/s)",
1222                 "type": Attribute.DOUBLE,
1223                 "validation_function": validation.is_number,
1224             }),
1225     "plr_in":  dict({
1226                 "name": "plrIn",
1227                 "help": "Inbound packet loss rate (0 = no loss, 1 = 100% loss)",
1228                 "type": Attribute.DOUBLE,
1229                 "validation_function": validation.is_number,
1230             }),
1231     "plr_out":  dict({
1232                 "name": "plrOut",
1233                 "help": "Outbound packet loss rate (0 = no loss, 1 = 100% loss)",
1234                 "type": Attribute.DOUBLE,
1235                 "validation_function": validation.is_number,
1236             }),
1237     "delay_in":  dict({
1238                 "name": "delayIn",
1239                 "help": "Inbound packet delay (in milliseconds)",
1240                 "type": Attribute.INTEGER,
1241                 "range": (0,60000),
1242                 "validation_function": validation.is_integer,
1243             }),
1244     "delay_out":  dict({
1245                 "name": "delayOut",
1246                 "help": "Outbound packet delay (in milliseconds)",
1247                 "type": Attribute.INTEGER,
1248                 "range": (0,60000),
1249                 "validation_function": validation.is_integer,
1250             }),
1251     "module": dict({
1252                 "name": "module",
1253                 "help": "Path to a .c or .py source for a filter module, or a binary .so",
1254                 "type": Attribute.STRING,
1255                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1256                 "validation_function": validation.is_string
1257             }),
1258     "args": dict({
1259                 "name": "args",
1260                 "help": "Module arguments - comma-separated list of name=value pairs",
1261                 "type": Attribute.STRING,
1262                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1263                 "validation_function": validation.is_string
1264             }),
1265     "routing_algorithm": dict({
1266             "name": "algorithm",
1267             "help": "Routing algorithm.",
1268             "value": "dvmrp",
1269             "type": Attribute.ENUM,
1270             "allowed": ["dvmrp"],
1271             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1272             "validation_function": validation.is_enum,
1273         }),
1274     })
1275
1276 traces = dict({
1277     "stdout": dict({
1278                 "name": "stdout",
1279                 "help": "Standard output stream"
1280               }),
1281     "stderr": dict({
1282                 "name": "stderr",
1283                 "help": "Application standard error",
1284               }),
1285     "buildlog": dict({
1286                 "name": "buildlog",
1287                 "help": "Output of the build process",
1288               }),
1289
1290     "netpipe_stats": dict({
1291                 "name": "netpipeStats",
1292                 "help": "Information about rule match counters, packets dropped, etc.",
1293               }),
1294
1295     "packets": dict({
1296                 "name": "packets",
1297                 "help": "Detailled log of all packets going through the interface",
1298               }),
1299     "pcap": dict({
1300                 "name": "pcap",
1301                 "help": "PCAP trace of all packets going through the interface",
1302               }),
1303     "output": dict({
1304                 "name": "output",
1305                 "help": "Extra output trace for applications. When activated this trace can be referenced with wildcard a reference from an Application command line. Ex: command: 'tcpdump -w {#[elemet-label].trace[trace-id].[name|path]#}' ",
1306               }),
1307     "dropped_stats": dict({
1308                 "name": "dropped_stats",
1309                 "help": "Information on dropped packets on a filer or queue associated to a network interface",
1310             }),
1311     })
1312
1313 create_order = [
1314     INTERNET, NODE, NODEIFACE, CLASSQUEUEFILTER, TOSQUEUEFILTER,
1315     MULTICASTANNOUNCER, MULTICASTFORWARDER, MULTICASTROUTER,
1316     TUNFILTER, TAPIFACE, TUNIFACE, NETPIPE,
1317     NEPIDEPENDENCY, NS3DEPENDENCY, DEPENDENCY, APPLICATION ]
1318
1319 configure_order = [
1320     INTERNET, Parallel(NODE),
1321     NODEIFACE,
1322     Parallel(MULTICASTANNOUNCER), Parallel(MULTICASTFORWARDER), Parallel(MULTICASTROUTER),
1323     Parallel(TAPIFACE), Parallel(TUNIFACE), NETPIPE,
1324     Parallel(NEPIDEPENDENCY), Parallel(NS3DEPENDENCY), Parallel(DEPENDENCY), Parallel(APPLICATION) ]
1325
1326 # Start (and prestart) node after ifaces, because the node needs the ifaces in order to set up routes
1327 start_order = [ INTERNET,
1328     NODEIFACE,
1329     Parallel(TAPIFACE), Parallel(TUNIFACE),
1330     Parallel(NODE), NETPIPE,
1331     Parallel(MULTICASTANNOUNCER), Parallel(MULTICASTFORWARDER), Parallel(MULTICASTROUTER),
1332     Parallel(NEPIDEPENDENCY), Parallel(NS3DEPENDENCY), Parallel(DEPENDENCY), Parallel(APPLICATION) ]
1333
1334 # cleanup order
1335 shutdown_order = [
1336     Parallel(APPLICATION),
1337     Parallel(MULTICASTROUTER), Parallel(MULTICASTFORWARDER), Parallel(MULTICASTANNOUNCER),
1338     Parallel(TAPIFACE), Parallel(TUNIFACE), Parallel(NETPIPE),
1339     Parallel(NEPIDEPENDENCY), Parallel(NS3DEPENDENCY), Parallel(DEPENDENCY),
1340     NODEIFACE, Parallel(NODE) ]
1341
1342 factories_info = dict({
1343     NODE: dict({
1344             "help": "Virtualized Node (V-Server style)",
1345             "category": FC.CATEGORY_NODES,
1346             "create_function": create_node,
1347             "preconfigure_function": configure_node,
1348             "prestart_function": configure_node_routes,
1349             "box_attributes": [
1350                 "forward_X11",
1351                 "hostname",
1352                 "architecture",
1353                 "operating_system",
1354                 "site",
1355                 "min_reliability",
1356                 "max_reliability",
1357                 "min_bandwidth",
1358                 "max_bandwidth",
1359
1360                 # NEPI-in-NEPI attributes
1361                 ATTR_NEPI_TESTBED_ENVIRONMENT_SETUP,
1362             ],
1363             "connector_types": ["devs", "apps", "pipes", "deps"],
1364             "tags": [tags.NODE, tags.ALLOW_ROUTES],
1365        }),
1366     NODEIFACE: dict({
1367             "help": "External network interface - they cannot be brought up or down, and they MUST be connected to the internet.",
1368             "category": FC.CATEGORY_DEVICES,
1369             "create_function": create_nodeiface,
1370             "preconfigure_function": configure_nodeiface,
1371             "box_attributes": [ ],
1372             "connector_types": ["node", "inet"],
1373             "tags": [tags.INTERFACE, tags.HAS_ADDRESSES],
1374         }),
1375     TUNIFACE: dict({
1376             "help": "Virtual TUN network interface (layer 3)",
1377             "category": FC.CATEGORY_DEVICES,
1378             "create_function": create_tuniface,
1379             "preconfigure_function": preconfigure_tuniface,
1380             "configure_function": postconfigure_tuniface,
1381             "prestart_function": prestart_tuniface,
1382             "box_attributes": [
1383                 "up", "if_name", "mtu", "snat", "pointopoint", "multicast", "bwlimit",
1384                 "txqueuelen",
1385                 "tun_proto", "tun_addr", "tun_port", "tun_key", "tun_cipher",
1386             ],
1387             "traces": ["packets", "pcap"],
1388             "connector_types": ["node","udp","tcp","fd->","gre"],
1389             "tags": [tags.INTERFACE, tags.ALLOW_ADDRESSES],
1390         }),
1391     TAPIFACE: dict({
1392             "help": "Virtual TAP network interface (layer 2)",
1393             "category": FC.CATEGORY_DEVICES,
1394             "create_function": create_tapiface,
1395             "preconfigure_function": preconfigure_tuniface,
1396             "configure_function": postconfigure_tuniface,
1397             "prestart_function": prestart_tuniface,
1398             "box_attributes": [
1399                 "up", "if_name", "mtu", "snat", "pointopoint", "multicast", "bwlimit",
1400                 "txqueuelen",
1401                 "tun_proto", "tun_addr", "tun_port", "tun_key", "tun_cipher",
1402             ],
1403             "traces": ["packets", "pcap"],
1404             "connector_types": ["node","udp","tcp","fd->","gre"],
1405             "tags": [tags.INTERFACE, tags.ALLOW_ADDRESSES],
1406         }),
1407     TUNFILTER: dict({
1408             "help": "TUN/TAP stream filter\n\n"
1409                     "If specified, it should be either a .py or .so module. "
1410                     "It will be loaded, and all incoming and outgoing packets "
1411                     "will be routed through it. The filter will not be responsible "
1412                     "for buffering, packet queueing is performed in tun_connect "
1413                     "already, so it should not concern itself with it. It should "
1414                     "not, however, block in one direction if the other is congested.\n"
1415                     "\n"
1416                     "Modules are expected to have the following methods:\n"
1417                     "\tinit(**args)\n"
1418                     "\t\tIf arguments are given, this method will be called with the\n"
1419                     "\t\tgiven arguments (as keyword args in python modules, or a single\n"
1420                     "\taccept_packet(packet, direction):\n"
1421                     "\t\tDecide whether to drop the packet. Direction is 0 for packets "
1422                         "coming from the local side to the remote, and 1 is for packets "
1423                         "coming from the remote side to the local. Return a boolean, "
1424                         "true if the packet is not to be dropped.\n"
1425                     "\tfilter_init():\n"
1426                     "\t\tInitializes a filtering pipe (filter_run). It should "
1427                         "return two file descriptors to use as a bidirectional "
1428                         "pipe: local and remote. 'local' is where packets from the "
1429                         "local side will be written to. After filtering, those packets "
1430                         "should be written to 'remote', where tun_connect will read "
1431                         "from, and it will forward them to the remote peer. "
1432                         "Packets from the remote peer will be written to 'remote', "
1433                         "where the filter is expected to read from, and eventually "
1434                         "forward them to the local side. If the file descriptors are "
1435                         "not nonblocking, they will be set to nonblocking. So it's "
1436                         "better to set them from the start like that.\n"
1437                     "\tfilter_run(local, remote):\n"
1438                     "\t\tIf filter_init is provided, it will be called repeatedly, "
1439                         "in a separate thread until the process is killed. It should "
1440                         "sleep at most for a second.\n"
1441                     "\tfilter_close(local, remote):\n"
1442                     "\t\tCalled then the process is killed, if filter_init was provided. "
1443                         "It should, among other things, close the file descriptors.\n"
1444                     "\n"
1445                     "Python modules are expected to return a tuple in filter_init, "
1446                     "either of file descriptors or file objects, while native ones "
1447                     "will receive two int*.\n"
1448                     "\n"
1449                     "Python modules can additionally contain a custom queue class "
1450                     "that will replace the FIFO used by default. The class should "
1451                     "be named 'queueclass' and contain an interface compatible with "
1452                     "collections.deque. That is, indexing (especiall for q[0]), "
1453                     "bool(q), popleft, appendleft, pop (right), append (right), "
1454                     "len(q) and clear.",
1455             "category": FC.CATEGORY_CHANNELS,
1456             "create_function": create_tunfilter,
1457             "box_attributes": [
1458                 "module", "args",
1459                 "tun_proto", "tun_addr", "tun_port", "tun_key", "tun_cipher",
1460             ],
1461             "connector_types": ["->fd","udp","tcp"],
1462         }),
1463     CLASSQUEUEFILTER : dict({
1464             "help": "TUN classfull queue, uses a separate queue for each user-definable class.\n\n"
1465                     "It takes two arguments, both of which have sensible defaults:\n"
1466                     "\tsize: the base size of each class' queue\n"
1467                     "\tclasses: the class definitions, which follow the following syntax:\n"
1468                     '\t   <CLASSLIST> ::= <CLASS> ":" CLASSLIST\n'
1469                     '\t                |  <CLASS>\n'
1470                     '\t   <CLASS>     ::= <PROTOLIST> "*" <PRIORITYSPEC>\n'
1471                     '\t                |  <DFLTCLASS>\n'
1472                     '\t   <DFLTCLASS> ::= "*" <PRIORITYSPEC>\n'
1473                     '\t   <PROTOLIST> ::= <PROTO> "." <PROTOLIST>\n'
1474                     '\t                |  <PROTO>\n'
1475                     '\t   <PROTO>     ::= <NAME> | <NUMBER>\n'
1476                     '\t   <NAME>      ::= --see http://en.wikipedia.org/wiki/List_of_IP_protocol_numbers --\n'
1477                     '\t                   --only in lowercase, with special characters removed--\n'
1478                     '\t                   --or see below--\n'
1479                     '\t   <NUMBER>    ::= [0-9]+\n'
1480                     '\t   <PRIORITYSPEC> ::= <THOUGHPUT> [ "#" <SIZE> ] [ "p" <PRIORITY> ]\n'
1481                     '\t   <THOUGHPUT> ::= NUMBER -- default 1\n'
1482                     '\t   <PRIORITY>  ::= NUMBER -- default 0\n'
1483                     '\t   <SIZE>      ::= NUMBER -- default 1\n'
1484                     "\n"
1485                     "Size, thoughput and priority are all relative terms. "
1486                     "Sizes are multipliers for the size argument, thoughput "
1487                     "is applied relative to other classes and the same with "
1488                     "priority.",
1489             "category": FC.CATEGORY_CHANNELS,
1490             "create_function": create_classqueuefilter,
1491             "box_attributes": [
1492                 "args",
1493                 "tun_proto", "tun_addr", "tun_port", "tun_key", "tun_cipher",
1494             ],
1495             "connector_types": ["->fd","udp","tcp"],
1496             "traces": ["dropped_stats"],
1497         }),
1498     TOSQUEUEFILTER : dict({
1499             "help": "TUN classfull queue that classifies according to the TOS (RFC 791) IP field.\n\n"
1500                     "It takes a size argument that specifies the size of each class. As TOS is a "
1501                     "subset of DiffServ, this queue half-implements DiffServ.",
1502             "category": FC.CATEGORY_CHANNELS,
1503             "create_function": create_tosqueuefilter,
1504             "box_attributes": [
1505                 "args",
1506                 "tun_proto", "tun_addr", "tun_port", "tun_key", "tun_cipher",
1507             ],
1508             "connector_types": ["->fd","udp","tcp"],
1509         }),
1510
1511     APPLICATION: dict({
1512             "help": "Generic executable command line application",
1513             "category": FC.CATEGORY_APPLICATIONS,
1514             "create_function": create_application,
1515             "start_function": start_application,
1516             "status_function": status_application,
1517             "stop_function": stop_application,
1518             "configure_function": configure_application,
1519             "box_attributes": ["command", "sudo", "stdin",
1520                                "depends", "build-depends", "build", "install",
1521                                "sources", "rpm-fusion" ],
1522             "connector_types": ["node"],
1523             "traces": ["stdout", "stderr", "buildlog", "output"],
1524             "tags": [tags.APPLICATION],
1525         }),
1526     DEPENDENCY: dict({
1527             "help": "Requirement for package or application to be installed on some node",
1528             "category": FC.CATEGORY_APPLICATIONS,
1529             "create_function": create_dependency,
1530             "preconfigure_function": configure_dependency,
1531             "box_attributes": ["depends", "build-depends", "build", "install",
1532                                "sources", "rpm-fusion" ],
1533             "connector_types": ["node"],
1534             "traces": ["buildlog"],
1535         }),
1536     NEPIDEPENDENCY: dict({
1537             "help": "Requirement for NEPI inside NEPI - required to run testbed instances inside a node",
1538             "category": FC.CATEGORY_APPLICATIONS,
1539             "create_function": create_nepi_dependency,
1540             "preconfigure_function": configure_dependency,
1541             "box_attributes": [],
1542             "connector_types": ["node"],
1543             "traces": ["buildlog"],
1544         }),
1545     NS3DEPENDENCY: dict({
1546             "help": "Requirement for NS3 inside NEPI - required to run NS3 testbed instances inside a node. It also needs NepiDependency.",
1547             "category": FC.CATEGORY_APPLICATIONS,
1548             "create_function": create_ns3_dependency,
1549             "preconfigure_function": configure_dependency,
1550             "box_attributes": [ ],
1551             "connector_types": ["node"],
1552             "traces": ["buildlog"],
1553         }),
1554     MULTICASTFORWARDER: dict({
1555             "help": "This application installs a userspace packet forwarder "
1556                     "that, when connected to a node, filters all packets "
1557                     "flowing through multicast-capable virtual interfaces "
1558                     "and applies custom-specified routing policies.",
1559             "category": FC.CATEGORY_APPLICATIONS,
1560             "create_function": create_multicast_forwarder,
1561             "preconfigure_function": configure_forwarder,
1562             "start_function": start_application,
1563             "status_function": status_application,
1564             "stop_function": stop_application,
1565             "box_attributes": [ ],
1566             "connector_types": ["node","router"],
1567             "traces": ["buildlog","stderr"],
1568         }),
1569     MULTICASTANNOUNCER: dict({
1570             "help": "This application installs a userspace daemon that "
1571                     "monitors multicast membership and announces it on all "
1572                     "multicast-capable interfaces.\n"
1573                     "This does not usually happen automatically on PlanetLab slivers.",
1574             "category": FC.CATEGORY_APPLICATIONS,
1575             "create_function": create_multicast_announcer,
1576             "preconfigure_function": configure_announcer,
1577             "start_function": start_application,
1578             "status_function": status_application,
1579             "stop_function": stop_application,
1580             "box_attributes": [ ],
1581             "connector_types": ["node"],
1582             "traces": ["buildlog","stderr"],
1583         }),
1584     MULTICASTROUTER: dict({
1585             "help": "This application installs a userspace daemon that "
1586                     "monitors multicast membership and announces it on all "
1587                     "multicast-capable interfaces.\n"
1588                     "This does not usually happen automatically on PlanetLab slivers.",
1589             "category": FC.CATEGORY_APPLICATIONS,
1590             "create_function": create_multicast_router,
1591             "preconfigure_function": configure_router,
1592             "start_function": start_application,
1593             "status_function": status_application,
1594             "stop_function": stop_application,
1595             "box_attributes": ["routing_algorithm"],
1596             "connector_types": ["fwd"],
1597             "traces": ["buildlog","stdout","stderr"],
1598         }),
1599     INTERNET: dict({
1600             "help": "Internet routing",
1601             "category": FC.CATEGORY_CHANNELS,
1602             "create_function": create_internet,
1603             "connector_types": ["devs"],
1604             "tags": [tags.INTERNET],
1605         }),
1606     NETPIPE: dict({
1607             "help": "Link emulation",
1608             "category": FC.CATEGORY_CHANNELS,
1609             "create_function": create_netpipe,
1610             "configure_function": configure_netpipe,
1611             "box_attributes": ["netpipe_mode",
1612                                "addr_list", "port_list",
1613                                "bw_in","plr_in","delay_in",
1614                                "bw_out","plr_out","delay_out"],
1615             "connector_types": ["node"],
1616             "traces": ["netpipe_stats"],
1617         }),
1618 })
1619
1620 testbed_attributes = dict({
1621         "slice": dict({
1622             "name": "slice",
1623             "help": "The name of the PlanetLab slice to use",
1624             "type": Attribute.STRING,
1625             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable | Attribute.NoDefaultValue,
1626             "validation_function": validation.is_string
1627         }),
1628         "auth_user": dict({
1629             "name": "authUser",
1630             "help": "The name of the PlanetLab user to use for API calls - it must have at least a User role.",
1631             "type": Attribute.STRING,
1632             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable | Attribute.NoDefaultValue,
1633             "validation_function": validation.is_string
1634         }),
1635         "auth_pass": dict({
1636             "name": "authPass",
1637             "help": "The PlanetLab user's password.",
1638             "type": Attribute.STRING,
1639             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable | Attribute.NoDefaultValue,
1640             "validation_function": validation.is_string
1641         }),
1642         "plc_host": dict({
1643             "name": "plcHost",
1644             "help": "The PlanetLab PLC API host",
1645             "type": Attribute.STRING,
1646             "value": "www.planet-lab.eu",
1647             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1648             "validation_function": validation.is_string
1649         }),
1650         "plc_url": dict({
1651             "name": "plcUrl",
1652             "help": "The PlanetLab PLC API url pattern - %(hostname)s is replaced by plcHost.",
1653             "type": Attribute.STRING,
1654             "value": "https://%(hostname)s:443/PLCAPI/",
1655             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1656             "validation_function": validation.is_string
1657         }),
1658         "p2p_deployment": dict({
1659             "name": "p2pDeployment",
1660             "help": "Enable peer-to-peer deployment of applications and dependencies. "
1661                     "When enabled, dependency packages and applications are "
1662                     "deployed in a P2P fashion, picking a single node to do "
1663                     "the building or repo download, while all the others "
1664                     "cooperatively exchange resulting binaries or rpms. "
1665                     "When deploying to many nodes, this is a far more efficient "
1666                     "use of resources. It does require re-encrypting and distributing "
1667                     "the slice's private key. Though it is implemented in a secure "
1668                     "fashion, if they key's sole purpose is not PlanetLab, then this "
1669                     "feature should be disabled.",
1670             "type": Attribute.BOOL,
1671             "value": True,
1672             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1673             "validation_function": validation.is_bool
1674         }),
1675         "slice_ssh_key": dict({
1676             "name": "sliceSSHKey",
1677             "help": "The controller-local path to the slice user's ssh private key. "
1678                     "It is the user's responsability to deploy this file where the controller "
1679                     "will run, it won't be done automatically because it's sensitive information. "
1680                     "It is recommended that a NEPI-specific user be created for this purpose and "
1681                     "this purpose alone.",
1682             "type": Attribute.STRING,
1683             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable | Attribute.NoDefaultValue,
1684             "validation_function": validation.is_string
1685         }),
1686         "pl_log_level": dict({
1687             "name": "plLogLevel",
1688             "help": "Verbosity of logging of planetlab events.",
1689             "value": "ERROR",
1690             "type": Attribute.ENUM,
1691             "allowed": ["DEBUG",
1692                         "INFO",
1693                         "WARNING",
1694                         "ERROR",
1695                         "CRITICAL"],
1696             "validation_function": validation.is_enum,
1697         }),
1698         "tap_port_base":  dict({
1699             "name": "tapPortBase",
1700             "help": "Base port to use when connecting TUN/TAPs. Effective port will be BASE + GUID.",
1701             "type": Attribute.INTEGER,
1702             "value": 15000,
1703             "range": (2000,30000),
1704             "validation_function": validation.is_integer_range(2000,30000)
1705         }),
1706         "dedicated_slice": dict({
1707             "name": "dedicatedSlice",
1708             "help": "Set to True if the slice will be dedicated to this experiment. "
1709                     "NEPI will perform node and slice cleanup, making sure slices are "
1710                     "in a clean, repeatable state before running the experiment.",
1711             "type": Attribute.BOOL,
1712             "value": False,
1713             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1714             "validation_function": validation.is_bool
1715         }),
1716     })
1717
1718 supported_recovery_policies = [
1719         DC.POLICY_FAIL,
1720         DC.POLICY_RESTART,
1721         DC.POLICY_RECOVER,
1722     ]
1723
1724 class MetadataInfo(metadata.MetadataInfo):
1725     @property
1726     def connector_types(self):
1727         return connector_types
1728
1729     @property
1730     def connections(self):
1731         return connections
1732
1733     @property
1734     def attributes(self):
1735         return attributes
1736
1737     @property
1738     def traces(self):
1739         return traces
1740
1741     @property
1742     def create_order(self):
1743         return create_order
1744
1745     @property
1746     def configure_order(self):
1747         return configure_order
1748
1749     @property
1750     def prestart_order(self):
1751         return start_order
1752
1753     @property
1754     def start_order(self):
1755         return start_order
1756
1757     @property
1758     def factories_info(self):
1759         return factories_info
1760
1761     @property
1762     def testbed_attributes(self):
1763         return testbed_attributes
1764
1765     @property
1766     def testbed_id(self):
1767         return TESTBED_ID
1768
1769     @property
1770     def testbed_version(self):
1771         return TESTBED_VERSION
1772
1773     @property
1774     def supported_recovery_policies(self):
1775         return supported_recovery_policies
1776
1777