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
  20 NODE = "Node"
  21 NODEIFACE = "NodeInterface"
  22 TUNIFACE = "TunInterface"
  23 TAPIFACE = "TapInterface"
  24 APPLICATION = "Application"
  25 DEPENDENCY = "Dependency"
  26 NEPIDEPENDENCY = "NepiDependency"
  27 NS3DEPENDENCY = "NS3Dependency"
  28 INTERNET = "Internet"
  29 NETPIPE = "NetPipe"
  30
  31 PL_TESTBED_ID = "planetlab"
  32
  33
  34 ### Custom validation functions ###
  35 def is_addrlist(attribute, value):
  36     if not validation.is_string(attribute, value):
  37         return False
  38
  39     if not value:
  40         # No empty strings
  41         return False
  42
  43     components = value.split(',')
  44
  45     for component in components:
  46         if '/' in component:
  47             addr, mask = component.split('/',1)
  48         else:
  49             addr, mask = component, '32'
  50
  51         if mask is not None and not (mask and mask.isdigit()):
  52             # No empty or nonnumeric masks
  53             return False
  54
  55         if not validation.is_ip4_address(attribute, addr):
  56             # Address part must be ipv4
  57             return False
  58
  59     return True
  60
  61 def is_portlist(attribute, value):
  62     if not validation.is_string(attribute, value):
  63         return False
  64
  65     if not value:
  66         # No empty strings
  67         return False
  68
  69     components = value.split(',')
  70
  71     for component in components:
  72         if '-' in component:
  73             pfrom, pto = component.split('-',1)
  74         else:
  75             pfrom = pto = component
  76
  77         if not pfrom or not pto or not pfrom.isdigit() or not pto.isdigit():
  78             # No empty or nonnumeric ports
  79             return False
  80
  81     return True
  82
  83
  84 ### Connection functions ####
  85
  86 def connect_node_iface_node(testbed_instance, node_guid, iface_guid):
  87     node = testbed_instance._elements[node_guid]
  88     iface = testbed_instance._elements[iface_guid]
  89     iface.node = node
  90
  91 def connect_node_iface_inet(testbed_instance, iface_guid, inet_guid):
  92     iface = testbed_instance._elements[iface_guid]
  93     iface.has_internet = True
  94
  95 def connect_tun_iface_node(testbed_instance, node_guid, iface_guid):
  96     node = testbed_instance._elements[node_guid]
  97     iface = testbed_instance._elements[iface_guid]
  98     iface.node = node
  99     node.required_vsys.update(('fd_tuntap', 'vif_up', 'vif_down'))
 100     node.required_packages.update(('python', 'python-crypto', 'python-setuptools', 'gcc'))
 101
 102 def connect_tun_iface_peer(proto, testbed_instance, iface_guid, peer_iface_guid):
 103     iface = testbed_instance._elements[iface_guid]
 104     peer_iface = testbed_instance._elements[peer_iface_guid]
 105     iface.peer_iface = peer_iface
 106     iface.peer_proto = \
 107     iface.tun_proto = proto
 108     iface.tun_key = peer_iface.tun_key
 109
 110 def crossconnect_tun_iface_peer_init(proto, testbed_instance, iface_guid, peer_iface_data):
 111     iface = testbed_instance._elements[iface_guid]
 112     iface.peer_iface = None
 113     iface.peer_addr = peer_iface_data.get("tun_addr")
 114     iface.peer_proto = peer_iface_data.get("tun_proto") or proto
 115     iface.peer_port = peer_iface_data.get("tun_port")
 116     iface.tun_key = min(iface.tun_key, peer_iface_data.get("tun_key"))
 117     iface.tun_proto = proto
 118
 119     preconfigure_tuniface(testbed_instance, iface_guid)
 120
 121 def crossconnect_tun_iface_peer_compl(proto, testbed_instance, iface_guid, peer_iface_data):
 122     # refresh (refreshable) attributes for second-phase
 123     iface = testbed_instance._elements[iface_guid]
 124     iface.peer_addr = peer_iface_data.get("tun_addr")
 125     iface.peer_proto = peer_iface_data.get("tun_proto") or proto
 126     iface.peer_port = peer_iface_data.get("tun_port")
 127
 128     postconfigure_tuniface(testbed_instance, iface_guid)
 129
 130 def crossconnect_tun_iface_peer_both(proto, testbed_instance, iface_guid, peer_iface_data):
 131     crossconnect_tun_iface_peer_init(proto, testbed_instance, iface_guid, peer_iface_data)
 132     crossconnect_tun_iface_peer_compl(proto, testbed_instance, iface_guid, peer_iface_data)
 133
 134 def connect_dep(testbed_instance, node_guid, app_guid):
 135     node = testbed_instance._elements[node_guid]
 136     app = testbed_instance._elements[app_guid]
 137     app.node = node
 138
 139     if app.depends:
 140         node.required_packages.update(set(
 141             app.depends.split() ))
 142
 143     if app.add_to_path:
 144         if app.home_path and app.home_path not in node.pythonpath:
 145             node.pythonpath.append(app.home_path)
 146
 147     if app.env:
 148         for envkey, envval in app.env.iteritems():
 149             envval = app._replace_paths(envval)
 150             node.env[envkey].append(envval)
 151
 152     if app.rpmFusion:
 153         node.rpmFusion = True
 154
 155 def connect_node_netpipe(testbed_instance, node_guid, netpipe_guid):
 156     node = testbed_instance._elements[node_guid]
 157     netpipe = testbed_instance._elements[netpipe_guid]
 158     netpipe.node = node
 159     node.required_vsys.add('ipfw-be')
 160     node.required_packages.add('ipfwslice')
 161
 162
 163 ### Creation functions ###
 164
 165 def create_node(testbed_instance, guid):
 166     parameters = testbed_instance._get_parameters(guid)
 167
 168     # create element with basic attributes
 169     element = testbed_instance._make_node(parameters)
 170
 171     # add constraint on number of (real) interfaces
 172     # by counting connected devices
 173     dev_guids = testbed_instance.get_connected(guid, "devs", "node")
 174     num_open_ifaces = sum( # count True values
 175         NODEIFACE == testbed_instance._get_factory_id(guid)
 176         for guid in dev_guids )
 177     element.min_num_external_ifaces = num_open_ifaces
 178
 179     # require vroute vsys if we have routes to set up
 180     routes = testbed_instance._add_route.get(guid)
 181     if routes:
 182         element.required_vsys.add("vroute")
 183
 184     testbed_instance.elements[guid] = element
 185
 186 def create_nodeiface(testbed_instance, guid):
 187     parameters = testbed_instance._get_parameters(guid)
 188     element = testbed_instance._make_node_iface(parameters)
 189     testbed_instance.elements[guid] = element
 190
 191 def create_tuniface(testbed_instance, guid):
 192     parameters = testbed_instance._get_parameters(guid)
 193     element = testbed_instance._make_tun_iface(parameters)
 194
 195     # Set custom addresses, if there are any already
 196     # Setting this early helps set up P2P links
 197     if guid in testbed_instance._add_address and not (element.address or element.netmask or element.netprefix):
 198         addresses = testbed_instance._add_address[guid]
 199         for address in addresses:
 200             (address, netprefix, broadcast) = address
 201             element.add_address(address, netprefix, broadcast)
 202
 203     testbed_instance.elements[guid] = element
 204
 205 def create_tapiface(testbed_instance, guid):
 206     parameters = testbed_instance._get_parameters(guid)
 207     element = testbed_instance._make_tap_iface(parameters)
 208
 209     # Set custom addresses, if there are any already
 210     # Setting this early helps set up P2P links
 211     if guid in testbed_instance._add_address and not (element.address or element.netmask or element.netprefix):
 212         addresses = testbed_instance._add_address[guid]
 213         for address in addresses:
 214             (address, netprefix, broadcast) = address
 215             element.add_address(address, netprefix, broadcast)
 216
 217     testbed_instance.elements[guid] = element
 218
 219 def create_application(testbed_instance, guid):
 220     parameters = testbed_instance._get_parameters(guid)
 221     element = testbed_instance._make_application(parameters)
 222
 223     # Just inject configuration stuff
 224     element.home_path = "nepi-app-%s" % (guid,)
 225
 226     testbed_instance.elements[guid] = element
 227
 228 def create_dependency(testbed_instance, guid):
 229     parameters = testbed_instance._get_parameters(guid)
 230     element = testbed_instance._make_dependency(parameters)
 231
 232     # Just inject configuration stuff
 233     element.home_path = "nepi-dep-%s" % (guid,)
 234
 235     testbed_instance.elements[guid] = element
 236
 237 def create_nepi_dependency(testbed_instance, guid):
 238     parameters = testbed_instance._get_parameters(guid)
 239     element = testbed_instance._make_nepi_dependency(parameters)
 240
 241     # Just inject configuration stuff
 242     element.home_path = "nepi-nepi-%s" % (guid,)
 243
 244     testbed_instance.elements[guid] = element
 245
 246 def create_ns3_dependency(testbed_instance, guid):
 247     parameters = testbed_instance._get_parameters(guid)
 248     element = testbed_instance._make_ns3_dependency(parameters)
 249
 250     # Just inject configuration stuff
 251     element.home_path = "nepi-ns3-%s" % (guid,)
 252
 253     testbed_instance.elements[guid] = element
 254
 255 def create_internet(testbed_instance, guid):
 256     parameters = testbed_instance._get_parameters(guid)
 257     element = testbed_instance._make_internet(parameters)
 258     testbed_instance.elements[guid] = element
 259
 260 def create_netpipe(testbed_instance, guid):
 261     parameters = testbed_instance._get_parameters(guid)
 262     element = testbed_instance._make_netpipe(parameters)
 263     testbed_instance.elements[guid] = element
 264
 265 ### Start/Stop functions ###
 266
 267 def start_application(testbed_instance, guid):
 268     parameters = testbed_instance._get_parameters(guid)
 269     traces = testbed_instance._get_traces(guid)
 270     app = testbed_instance.elements[guid]
 271
 272     app.stdout = "stdout" in traces
 273     app.stderr = "stderr" in traces
 274     app.buildlog = "buildlog" in traces
 275
 276     app.start()
 277
 278 def stop_application(testbed_instance, guid):
 279     app = testbed_instance.elements[guid]
 280     app.kill()
 281
 282 ### Status functions ###
 283
 284 def status_application(testbed_instance, guid):
 285     if guid not in testbed_instance.elements.keys():
 286         return AS.STATUS_NOT_STARTED
 287
 288     app = testbed_instance.elements[guid]
 289     return app.status()
 290
 291 ### Configure functions ###
 292
 293 def configure_nodeiface(testbed_instance, guid):
 294     element = testbed_instance._elements[guid]
 295
 296     # Cannot explicitly configure addresses
 297     if guid in testbed_instance._add_address:
 298         raise ValueError, "Cannot explicitly set address of public PlanetLab interface"
 299
 300     # Get siblings
 301     node_guid = testbed_instance.get_connected(guid, "node", "devs")[0]
 302     dev_guids = testbed_instance.get_connected(node_guid, "node", "devs")
 303     siblings = [ self._element[dev_guid]
 304                  for dev_guid in dev_guids
 305                  if dev_guid != guid ]
 306
 307     # Fetch address from PLC api
 308     element.pick_iface(siblings)
 309
 310     # Do some validations
 311     element.validate()
 312
 313 def preconfigure_tuniface(testbed_instance, guid):
 314     element = testbed_instance._elements[guid]
 315
 316     # Set custom addresses if any, and if not set already
 317     if guid in testbed_instance._add_address and not (element.address or element.netmask or element.netprefix):
 318         addresses = testbed_instance._add_address[guid]
 319         for address in addresses:
 320             (address, netprefix, broadcast) = address
 321             element.add_address(address, netprefix, broadcast)
 322
 323     # Link to external interface, if any
 324     for iface in testbed_instance._elements.itervalues():
 325         if isinstance(iface, testbed_instance._interfaces.NodeIface) and iface.node is element.node and iface.has_internet:
 326             element.external_iface = iface
 327             break
 328
 329     # Set standard TUN attributes
 330     if (not element.tun_addr or not element.tun_port) and element.external_iface:
 331         element.tun_addr = element.external_iface.address
 332         element.tun_port = testbed_instance.tapPortBase + int(guid)
 333
 334     # Set enabled traces
 335     traces = testbed_instance._get_traces(guid)
 336     for capmode in ('pcap', 'packets'):
 337         if capmode in traces:
 338             element.capture = capmode
 339             break
 340     else:
 341         element.capture = False
 342
 343     # Do some validations
 344     element.validate()
 345
 346     # First-phase setup
 347     if element.peer_proto:
 348         if element.peer_iface and isinstance(element.peer_iface, testbed_instance._interfaces.TunIface):
 349             # intra tun
 350             listening = id(element) < id(element.peer_iface)
 351         else:
 352             # cross tun
 353             if not element.tun_addr or not element.tun_port:
 354                 listening = True
 355             elif not element.peer_addr or not element.peer_port:
 356                 listening = True
 357             else:
 358                 # both have addresses...
 359                 # ...the one with the lesser address listens
 360                 listening = element.tun_addr < element.peer_addr
 361         element.prepare(
 362             'tun-%s' % (guid,),
 363              listening)
 364
 365 def postconfigure_tuniface(testbed_instance, guid):
 366     element = testbed_instance._elements[guid]
 367
 368     # Second-phase setup
 369     element.setup()
 370
 371 def wait_tuniface(testbed_instance, guid):
 372     element = testbed_instance._elements[guid]
 373
 374     # Second-phase setup
 375     element.async_launch_wait()
 376
 377
 378 def configure_node(testbed_instance, guid):
 379     node = testbed_instance._elements[guid]
 380
 381     # Just inject configuration stuff
 382     node.home_path = "nepi-node-%s" % (guid,)
 383     node.ident_path = testbed_instance.sliceSSHKey
 384     node.slicename = testbed_instance.slicename
 385
 386     # Do some validations
 387     node.validate()
 388
 389     # this will be done in parallel in all nodes
 390     # this call only spawns the process
 391     node.install_dependencies()
 392
 393 def configure_node_routes(testbed_instance, guid):
 394     node = testbed_instance._elements[guid]
 395     routes = testbed_instance._add_route.get(guid)
 396
 397     if routes:
 398         devs = [ dev
 399             for dev_guid in testbed_instance.get_connected(guid, "devs", "node")
 400             for dev in ( testbed_instance._elements.get(dev_guid) ,)
 401             if dev and isinstance(dev, testbed_instance._interfaces.TunIface) ]
 402
 403         node.configure_routes(routes, devs)
 404
 405 def configure_application(testbed_instance, guid):
 406     app = testbed_instance._elements[guid]
 407
 408     # Do some validations
 409     app.validate()
 410
 411     # Wait for dependencies
 412     app.node.wait_dependencies()
 413
 414     # Install stuff
 415     app.async_setup()
 416
 417 def configure_dependency(testbed_instance, guid):
 418     dep = testbed_instance._elements[guid]
 419
 420     # Do some validations
 421     dep.validate()
 422
 423     # Wait for dependencies
 424     dep.node.wait_dependencies()
 425
 426     # Install stuff
 427     dep.async_setup()
 428
 429 def configure_netpipe(testbed_instance, guid):
 430     netpipe = testbed_instance._elements[guid]
 431
 432     # Do some validations
 433     netpipe.validate()
 434
 435     # Wait for dependencies
 436     netpipe.node.wait_dependencies()
 437
 438     # Install rules
 439     netpipe.configure()
 440
 441 ### Factory information ###
 442
 443 connector_types = dict({
 444     "apps": dict({
 445                 "help": "Connector from node to applications",
 446                 "name": "apps",
 447                 "max": -1,
 448                 "min": 0
 449             }),
 450     "devs": dict({
 451                 "help": "Connector from node to network interfaces",
 452                 "name": "devs",
 453                 "max": -1,
 454                 "min": 0
 455             }),
 456     "deps": dict({
 457                 "help": "Connector from node to application dependencies "
 458                         "(packages and applications that need to be installed)",
 459                 "name": "deps",
 460                 "max": -1,
 461                 "min": 0
 462             }),
 463     "inet": dict({
 464                 "help": "Connector from network interfaces to the internet",
 465                 "name": "inet",
 466                 "max": 1,
 467                 "min": 1
 468             }),
 469     "node": dict({
 470                 "help": "Connector to a Node",
 471                 "name": "node",
 472                 "max": 1,
 473                 "min": 1
 474             }),
 475     "pipes": dict({
 476                 "help": "Connector to a NetPipe",
 477                 "name": "pipes",
 478                 "max": 2,
 479                 "min": 0
 480             }),
 481
 482     "tcp": dict({
 483                 "help": "ip-ip tunneling over TCP link",
 484                 "name": "tcp",
 485                 "max": 1,
 486                 "min": 0
 487             }),
 488     "udp": dict({
 489                 "help": "ip-ip tunneling over UDP datagrams",
 490                 "name": "udp",
 491                 "max": 1,
 492                 "min": 0
 493             }),
 494     "fd->": dict({
 495                 "help": "TUN device file descriptor provider",
 496                 "name": "fd->",
 497                 "max": 1,
 498                 "min": 0
 499             }),
 500    })
 501
 502 connections = [
 503     dict({
 504         "from": (TESTBED_ID, NODE, "devs"),
 505         "to":   (TESTBED_ID, NODEIFACE, "node"),
 506         "init_code": connect_node_iface_node,
 507         "can_cross": False
 508     }),
 509     dict({
 510         "from": (TESTBED_ID, NODE, "devs"),
 511         "to":   (TESTBED_ID, TUNIFACE, "node"),
 512         "init_code": connect_tun_iface_node,
 513         "can_cross": False
 514     }),
 515     dict({
 516         "from": (TESTBED_ID, NODE, "devs"),
 517         "to":   (TESTBED_ID, TAPIFACE, "node"),
 518         "init_code": connect_tun_iface_node,
 519         "can_cross": False
 520     }),
 521     dict({
 522         "from": (TESTBED_ID, NODEIFACE, "inet"),
 523         "to":   (TESTBED_ID, INTERNET, "devs"),
 524         "init_code": connect_node_iface_inet,
 525         "can_cross": False
 526     }),
 527     dict({
 528         "from": (TESTBED_ID, NODE, "apps"),
 529         "to":   (TESTBED_ID, APPLICATION, "node"),
 530         "init_code": connect_dep,
 531         "can_cross": False
 532     }),
 533     dict({
 534         "from": (TESTBED_ID, NODE, "deps"),
 535         "to":   (TESTBED_ID, DEPENDENCY, "node"),
 536         "init_code": connect_dep,
 537         "can_cross": False
 538     }),
 539     dict({
 540         "from": (TESTBED_ID, NODE, "deps"),
 541         "to":   (TESTBED_ID, NEPIDEPENDENCY, "node"),
 542         "init_code": connect_dep,
 543         "can_cross": False
 544     }),
 545     dict({
 546         "from": (TESTBED_ID, NODE, "deps"),
 547         "to":   (TESTBED_ID, NS3DEPENDENCY, "node"),
 548         "init_code": connect_dep,
 549         "can_cross": False
 550     }),
 551     dict({
 552         "from": (TESTBED_ID, NODE, "pipes"),
 553         "to":   (TESTBED_ID, NETPIPE, "node"),
 554         "init_code": connect_node_netpipe,
 555         "can_cross": False
 556     }),
 557     dict({
 558         "from": (TESTBED_ID, TUNIFACE, "tcp"),
 559         "to":   (TESTBED_ID, TUNIFACE, "tcp"),
 560         "init_code": functools.partial(connect_tun_iface_peer,"tcp"),
 561         "can_cross": False
 562     }),
 563     dict({
 564         "from": (TESTBED_ID, TUNIFACE, "udp"),
 565         "to":   (TESTBED_ID, TUNIFACE, "udp"),
 566         "init_code": functools.partial(connect_tun_iface_peer,"udp"),
 567         "can_cross": False
 568     }),
 569     dict({
 570         "from": (TESTBED_ID, TAPIFACE, "tcp"),
 571         "to":   (TESTBED_ID, TAPIFACE, "tcp"),
 572         "init_code": functools.partial(connect_tun_iface_peer,"tcp"),
 573         "can_cross": False
 574     }),
 575     dict({
 576         "from": (TESTBED_ID, TAPIFACE, "udp"),
 577         "to":   (TESTBED_ID, TAPIFACE, "udp"),
 578         "init_code": functools.partial(connect_tun_iface_peer,"udp"),
 579         "can_cross": False
 580     }),
 581     dict({
 582         "from": (TESTBED_ID, TUNIFACE, "tcp"),
 583         "to":   (None, None, "tcp"),
 584         "init_code": functools.partial(crossconnect_tun_iface_peer_init,"tcp"),
 585         "compl_code": functools.partial(crossconnect_tun_iface_peer_compl,"tcp"),
 586         "can_cross": True
 587     }),
 588     dict({
 589         "from": (TESTBED_ID, TUNIFACE, "udp"),
 590         "to":   (None, None, "udp"),
 591         "init_code": functools.partial(crossconnect_tun_iface_peer_init,"udp"),
 592         "compl_code": functools.partial(crossconnect_tun_iface_peer_compl,"udp"),
 593         "can_cross": True
 594     }),
 595     dict({
 596         "from": (TESTBED_ID, TUNIFACE, "fd->"),
 597         "to":   (None, None, "->fd"),
 598         "compl_code": functools.partial(crossconnect_tun_iface_peer_both,"fd"),
 599         "can_cross": True
 600     }),
 601     dict({
 602         "from": (TESTBED_ID, TAPIFACE, "tcp"),
 603         "to":   (None, None, "tcp"),
 604         "init_code": functools.partial(crossconnect_tun_iface_peer_init,"tcp"),
 605         "compl_code": functools.partial(crossconnect_tun_iface_peer_compl,"tcp"),
 606         "can_cross": True
 607     }),
 608     dict({
 609         "from": (TESTBED_ID, TAPIFACE, "udp"),
 610         "to":   (None, None, "udp"),
 611         "init_code": functools.partial(crossconnect_tun_iface_peer_init,"udp"),
 612         "compl_code": functools.partial(crossconnect_tun_iface_peer_compl,"udp"),
 613         "can_cross": True
 614     }),
 615     dict({
 616         "from": (TESTBED_ID, TAPIFACE, "fd->"),
 617         "to":   (None, None, "->fd"),
 618         "compl_code": functools.partial(crossconnect_tun_iface_peer_both,"fd"),
 619         "can_cross": True
 620     }),
 621 ]
 622
 623 attributes = dict({
 624     "forward_X11": dict({
 625                 "name": "forward_X11",
 626                 "help": "Forward x11 from main namespace to the node",
 627                 "type": Attribute.BOOL,
 628                 "value": False,
 629                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 630                 "validation_function": validation.is_bool,
 631             }),
 632     "hostname": dict({
 633                 "name": "hostname",
 634                 "help": "Constrain hostname during resource discovery. May use wildcards.",
 635                 "type": Attribute.STRING,
 636                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 637                 "validation_function": validation.is_string,
 638             }),
 639     "city": dict({
 640                 "name": "city",
 641                 "help": "Constrain location (city) during resource discovery. May use wildcards.",
 642                 "type": Attribute.STRING,
 643                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 644                 "validation_function": validation.is_string,
 645             }),
 646     "country": dict({
 647                 "name": "hostname",
 648                 "help": "Constrain location (country) during resource discovery. May use wildcards.",
 649                 "type": Attribute.STRING,
 650                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 651                 "validation_function": validation.is_string,
 652             }),
 653     "region": dict({
 654                 "name": "hostname",
 655                 "help": "Constrain location (region) during resource discovery. May use wildcards.",
 656                 "type": Attribute.STRING,
 657                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 658                 "validation_function": validation.is_string,
 659             }),
 660     "architecture": dict({
 661                 "name": "architecture",
 662                 "help": "Constrain architexture during resource discovery.",
 663                 "type": Attribute.ENUM,
 664                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 665                 "allowed": ["x86_64",
 666                             "i386"],
 667                 "validation_function": validation.is_enum,
 668             }),
 669     "operating_system": dict({
 670                 "name": "operatingSystem",
 671                 "help": "Constrain operating system during resource discovery.",
 672                 "type": Attribute.ENUM,
 673                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 674                 "allowed": ["f8",
 675                             "f12",
 676                             "f14",
 677                             "centos",
 678                             "other"],
 679                 "validation_function": validation.is_enum,
 680             }),
 681     "site": dict({
 682                 "name": "site",
 683                 "help": "Constrain the PlanetLab site this node should reside on.",
 684                 "type": Attribute.ENUM,
 685                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 686                 "allowed": ["PLE",
 687                             "PLC",
 688                             "PLJ"],
 689                 "validation_function": validation.is_enum,
 690             }),
 691     "min_reliability": dict({
 692                 "name": "minReliability",
 693                 "help": "Constrain reliability while picking PlanetLab nodes. Specifies a lower acceptable bound.",
 694                 "type": Attribute.DOUBLE,
 695                 "range": (0,100),
 696                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 697                 "validation_function": validation.is_number,
 698             }),
 699     "max_reliability": dict({
 700                 "name": "maxReliability",
 701                 "help": "Constrain reliability while picking PlanetLab nodes. Specifies an upper acceptable bound.",
 702                 "type": Attribute.DOUBLE,
 703                 "range": (0,100),
 704                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 705                 "validation_function": validation.is_number,
 706             }),
 707     "min_bandwidth": dict({
 708                 "name": "minBandwidth",
 709                 "help": "Constrain available bandwidth while picking PlanetLab nodes. Specifies a lower acceptable bound.",
 710                 "type": Attribute.DOUBLE,
 711                 "range": (0,2**31),
 712                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 713                 "validation_function": validation.is_number,
 714             }),
 715     "max_bandwidth": dict({
 716                 "name": "maxBandwidth",
 717                 "help": "Constrain available bandwidth while picking PlanetLab nodes. Specifies an upper acceptable bound.",
 718                 "type": Attribute.DOUBLE,
 719                 "range": (0,2**31),
 720                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 721                 "validation_function": validation.is_number,
 722             }),
 723     "min_load": dict({
 724                 "name": "minLoad",
 725                 "help": "Constrain node load average while picking PlanetLab nodes. Specifies a lower acceptable bound.",
 726                 "type": Attribute.DOUBLE,
 727                 "range": (0,2**31),
 728                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 729                 "validation_function": validation.is_number,
 730             }),
 731     "max_load": dict({
 732                 "name": "maxLoad",
 733                 "help": "Constrain node load average while picking PlanetLab nodes. Specifies an upper acceptable bound.",
 734                 "type": Attribute.DOUBLE,
 735                 "range": (0,2**31),
 736                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 737                 "validation_function": validation.is_number,
 738             }),
 739     "min_cpu": dict({
 740                 "name": "minCpu",
 741                 "help": "Constrain available cpu time while picking PlanetLab nodes. Specifies a lower acceptable bound.",
 742                 "type": Attribute.DOUBLE,
 743                 "range": (0,100),
 744                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 745                 "validation_function": validation.is_number,
 746             }),
 747     "max_cpu": dict({
 748                 "name": "maxCpu",
 749                 "help": "Constrain available cpu time while picking PlanetLab nodes. Specifies an upper acceptable bound.",
 750                 "type": Attribute.DOUBLE,
 751                 "range": (0,100),
 752                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 753                 "validation_function": validation.is_number,
 754             }),
 755
 756     "up": dict({
 757                 "name": "up",
 758                 "help": "Link up",
 759                 "type": Attribute.BOOL,
 760                 "value": False,
 761                 "validation_function": validation.is_bool
 762             }),
 763     "primary": dict({
 764                 "name": "primary",
 765                 "help": "This is the primary interface for the attached node",
 766                 "type": Attribute.BOOL,
 767                 "value": True,
 768                 "validation_function": validation.is_bool
 769             }),
 770     "device_name": dict({
 771                 "name": "name",
 772                 "help": "Device name",
 773                 "type": Attribute.STRING,
 774                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 775                 "validation_function": validation.is_string
 776             }),
 777     "mtu":  dict({
 778                 "name": "mtu",
 779                 "help": "Maximum transmition unit for device",
 780                 "type": Attribute.INTEGER,
 781                 "range": (0,1500),
 782                 "validation_function": validation.is_integer_range(0,1500)
 783             }),
 784     "mask":  dict({
 785                 "name": "mask",
 786                 "help": "Network mask for the device (eg: 24 for /24 network)",
 787                 "type": Attribute.INTEGER,
 788                 "validation_function": validation.is_integer_range(8,24)
 789             }),
 790     "snat":  dict({
 791                 "name": "snat",
 792                 "help": "Enable SNAT (source NAT to the internet) no this device",
 793                 "type": Attribute.BOOL,
 794                 "value": False,
 795                 "validation_function": validation.is_bool
 796             }),
 797     "pointopoint":  dict({
 798                 "name": "pointopoint",
 799                 "help": "If the interface is a P2P link, the remote endpoint's IP "
 800                         "should be set on this attribute.",
 801                 "type": Attribute.STRING,
 802                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 803                 "validation_function": validation.is_string
 804             }),
 805     "txqueuelen":  dict({
 806                 "name": "txqueuelen",
 807                 "help": "Transmission queue length (in packets)",
 808                 "type": Attribute.INTEGER,
 809                 "value": 1000,
 810                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 811                 "range" : (1,10000),
 812                 "validation_function": validation.is_integer
 813             }),
 814
 815     "command": dict({
 816                 "name": "command",
 817                 "help": "Command line string",
 818                 "type": Attribute.STRING,
 819                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 820                 "validation_function": validation.is_string
 821             }),
 822     "sudo": dict({
 823                 "name": "sudo",
 824                 "help": "Run with root privileges",
 825                 "type": Attribute.BOOL,
 826                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 827                 "value": False,
 828                 "validation_function": validation.is_bool
 829             }),
 830     "stdin": dict({
 831                 "name": "stdin",
 832                 "help": "Standard input",
 833                 "type": Attribute.STRING,
 834                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 835                 "validation_function": validation.is_string
 836             }),
 837
 838     "depends": dict({
 839                 "name": "depends",
 840                 "help": "Space-separated list of packages required to run the application",
 841                 "type": Attribute.STRING,
 842                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 843                 "validation_function": validation.is_string
 844             }),
 845     "build-depends": dict({
 846                 "name": "buildDepends",
 847                 "help": "Space-separated list of packages required to build the application",
 848                 "type": Attribute.STRING,
 849                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 850                 "validation_function": validation.is_string
 851             }),
 852     "rpm-fusion": dict({
 853                 "name": "rpmFusion",
 854                 "help": "True if required packages can be found in the RpmFusion repository",
 855                 "type": Attribute.BOOL,
 856                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 857                 "value": False,
 858                 "validation_function": validation.is_bool
 859             }),
 860     "sources": dict({
 861                 "name": "sources",
 862                 "help": "Space-separated list of regular files to be deployed in the working path prior to building. "
 863                         "Archives won't be expanded automatically.",
 864                 "type": Attribute.STRING,
 865                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 866                 "validation_function": validation.is_string
 867             }),
 868     "build": dict({
 869                 "name": "build",
 870                 "help": "Build commands to execute after deploying the sources. "
 871                         "Sources will be in the ${SOURCES} folder. "
 872                         "Example: tar xzf ${SOURCES}/my-app.tgz && cd my-app && ./configure && make && make clean.\n"
 873                         "Try to make the commands return with a nonzero exit code on error.\n"
 874                         "Also, do not install any programs here, use the 'install' attribute. This will "
 875                         "help keep the built files constrained to the build folder (which may "
 876                         "not be the home folder), and will result in faster deployment. Also, "
 877                         "make sure to clean up temporary files, to reduce bandwidth usage between "
 878                         "nodes when transferring built packages.",
 879                 "type": Attribute.STRING,
 880                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 881                 "validation_function": validation.is_string
 882             }),
 883     "install": dict({
 884                 "name": "install",
 885                 "help": "Commands to transfer built files to their final destinations. "
 886                         "Sources will be in the initial working folder, and a special "
 887                         "tag ${SOURCES} can be used to reference the experiment's "
 888                         "home folder (where the application commands will run).\n"
 889                         "ALL sources and targets needed for execution must be copied there, "
 890                         "if building has been enabled.\n"
 891                         "That is, 'slave' nodes will not automatically get any source files. "
 892                         "'slave' nodes don't get build dependencies either, so if you need "
 893                         "make and other tools to install, be sure to provide them as "
 894                         "actual dependencies instead.",
 895                 "type": Attribute.STRING,
 896                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 897                 "validation_function": validation.is_string
 898             }),
 899
 900     "netpipe_mode": dict({
 901                 "name": "mode",
 902                 "help": "Link mode:\n"
 903                         " * SERVER: applies to incoming connections\n"
 904                         " * CLIENT: applies to outgoing connections\n"
 905                         " * SERVICE: applies to both",
 906                 "type": Attribute.ENUM,
 907                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 908                 "allowed": ["SERVER",
 909                             "CLIENT",
 910                             "SERVICE"],
 911                 "validation_function": validation.is_enum,
 912             }),
 913     "port_list":  dict({
 914                 "name": "portList",
 915                 "help": "Port list or range. Eg: '22', '22,23,27', '20-2000'",
 916                 "type": Attribute.STRING,
 917                 "validation_function": is_portlist,
 918             }),
 919     "addr_list":  dict({
 920                 "name": "addrList",
 921                 "help": "Address list or range. Eg: '127.0.0.1', '127.0.0.1,127.0.1.1', '127.0.0.1/8'",
 922                 "type": Attribute.STRING,
 923                 "validation_function": is_addrlist,
 924             }),
 925     "bw_in":  dict({
 926                 "name": "bwIn",
 927                 "help": "Inbound bandwidth limit (in Mbit/s)",
 928                 "type": Attribute.DOUBLE,
 929                 "validation_function": validation.is_number,
 930             }),
 931     "bw_out":  dict({
 932                 "name": "bwOut",
 933                 "help": "Outbound bandwidth limit (in Mbit/s)",
 934                 "type": Attribute.DOUBLE,
 935                 "validation_function": validation.is_number,
 936             }),
 937     "plr_in":  dict({
 938                 "name": "plrIn",
 939                 "help": "Inbound packet loss rate (0 = no loss, 1 = 100% loss)",
 940                 "type": Attribute.DOUBLE,
 941                 "validation_function": validation.is_number,
 942             }),
 943     "plr_out":  dict({
 944                 "name": "plrOut",
 945                 "help": "Outbound packet loss rate (0 = no loss, 1 = 100% loss)",
 946                 "type": Attribute.DOUBLE,
 947                 "validation_function": validation.is_number,
 948             }),
 949     "delay_in":  dict({
 950                 "name": "delayIn",
 951                 "help": "Inbound packet delay (in milliseconds)",
 952                 "type": Attribute.INTEGER,
 953                 "range": (0,60000),
 954                 "validation_function": validation.is_integer,
 955             }),
 956     "delay_out":  dict({
 957                 "name": "delayOut",
 958                 "help": "Outbound packet delay (in milliseconds)",
 959                 "type": Attribute.INTEGER,
 960                 "range": (0,60000),
 961                 "validation_function": validation.is_integer,
 962             }),
 963     })
 964
 965 traces = dict({
 966     "stdout": dict({
 967                 "name": "stdout",
 968                 "help": "Standard output stream"
 969               }),
 970     "stderr": dict({
 971                 "name": "stderr",
 972                 "help": "Application standard error",
 973               }),
 974     "buildlog": dict({
 975                 "name": "buildlog",
 976                 "help": "Output of the build process",
 977               }),
 978
 979     "netpipe_stats": dict({
 980                 "name": "netpipeStats",
 981                 "help": "Information about rule match counters, packets dropped, etc.",
 982               }),
 983
 984     "packets": dict({
 985                 "name": "packets",
 986                 "help": "Detailled log of all packets going through the interface",
 987               }),
 988     "pcap": dict({
 989                 "name": "pcap",
 990                 "help": "PCAP trace of all packets going through the interface",
 991               }),
 992     })
 993
 994 create_order = [ INTERNET, NODE, NODEIFACE, TAPIFACE, TUNIFACE, NETPIPE, NEPIDEPENDENCY, NS3DEPENDENCY, DEPENDENCY, APPLICATION ]
 995
 996 configure_order = [ INTERNET, Parallel(NODE), NODEIFACE, Parallel(TAPIFACE), Parallel(TUNIFACE), NETPIPE, Parallel(NEPIDEPENDENCY), Parallel(NS3DEPENDENCY), Parallel(DEPENDENCY), Parallel(APPLICATION) ]
 997
 998 # Start (and prestart) node after ifaces, because the node needs the ifaces in order to set up routes
 999 start_order = [ INTERNET, NODEIFACE, Parallel(TAPIFACE), Parallel(TUNIFACE), Parallel(NODE), NETPIPE, Parallel(NEPIDEPENDENCY), Parallel(NS3DEPENDENCY), Parallel(DEPENDENCY), Parallel(APPLICATION) ]
1000
1001 factories_info = dict({
1002     NODE: dict({
1003             "help": "Virtualized Node (V-Server style)",
1004             "category": FC.CATEGORY_NODES,
1005             "create_function": create_node,
1006             "preconfigure_function": configure_node,
1007             "prestart_function": configure_node_routes,
1008             "box_attributes": [
1009                 "forward_X11",
1010                 "hostname",
1011                 "architecture",
1012                 "operating_system",
1013                 "site",
1014                 "min_reliability",
1015                 "max_reliability",
1016                 "min_bandwidth",
1017                 "max_bandwidth",
1018
1019                 # NEPI-in-NEPI attributes
1020                 ATTR_NEPI_TESTBED_ENVIRONMENT_SETUP,
1021             ],
1022             "connector_types": ["devs", "apps", "pipes", "deps"],
1023             "tags": [tags.NODE, tags.ALLOW_ROUTES],
1024        }),
1025     NODEIFACE: dict({
1026             "help": "External network interface - they cannot be brought up or down, and they MUST be connected to the internet.",
1027             "category": FC.CATEGORY_DEVICES,
1028             "create_function": create_nodeiface,
1029             "preconfigure_function": configure_nodeiface,
1030             "box_attributes": [ ],
1031             "connector_types": ["node", "inet"],
1032             "tags": [tags.INTERFACE, tags.HAS_ADDRESSES],
1033         }),
1034     TUNIFACE: dict({
1035             "help": "Virtual TUN network interface (layer 3)",
1036             "category": FC.CATEGORY_DEVICES,
1037             "create_function": create_tuniface,
1038             "preconfigure_function": preconfigure_tuniface,
1039             "configure_function": postconfigure_tuniface,
1040             "prestart_function": wait_tuniface,
1041             "box_attributes": [
1042                 "up", "device_name", "mtu", "snat", "pointopoint",
1043                 "txqueuelen",
1044                 "tun_proto", "tun_addr", "tun_port", "tun_key"
1045             ],
1046             "traces": ["packets", "pcap"],
1047             "connector_types": ["node","udp","tcp","fd->"],
1048             "tags": [tags.INTERFACE, tags.ALLOW_ADDRESSES],
1049         }),
1050     TAPIFACE: dict({
1051             "help": "Virtual TAP network interface (layer 2)",
1052             "category": FC.CATEGORY_DEVICES,
1053             "create_function": create_tapiface,
1054             "preconfigure_function": preconfigure_tuniface,
1055             "configure_function": postconfigure_tuniface,
1056             "prestart_function": wait_tuniface,
1057             "box_attributes": [
1058                 "up", "device_name", "mtu", "snat", "pointopoint",
1059                 "txqueuelen",
1060                 "tun_proto", "tun_addr", "tun_port", "tun_key"
1061             ],
1062             "traces": ["packets", "pcap"],
1063             "connector_types": ["node","udp","tcp","fd->"],
1064             "tags": [tags.INTERFACE, tags.ALLOW_ADDRESSES],
1065         }),
1066     APPLICATION: dict({
1067             "help": "Generic executable command line application",
1068             "category": FC.CATEGORY_APPLICATIONS,
1069             "create_function": create_application,
1070             "start_function": start_application,
1071             "status_function": status_application,
1072             "stop_function": stop_application,
1073             "configure_function": configure_application,
1074             "box_attributes": ["command", "sudo", "stdin",
1075                                "depends", "build-depends", "build", "install",
1076                                "sources", "rpm-fusion" ],
1077             "connector_types": ["node"],
1078             "traces": ["stdout", "stderr", "buildlog"],
1079             "tags": [tags.APPLICATION],
1080         }),
1081     DEPENDENCY: dict({
1082             "help": "Requirement for package or application to be installed on some node",
1083             "category": FC.CATEGORY_APPLICATIONS,
1084             "create_function": create_dependency,
1085             "preconfigure_function": configure_dependency,
1086             "box_attributes": ["depends", "build-depends", "build", "install",
1087                                "sources", "rpm-fusion" ],
1088             "connector_types": ["node"],
1089             "traces": ["buildlog"],
1090         }),
1091     NEPIDEPENDENCY: dict({
1092             "help": "Requirement for NEPI inside NEPI - required to run testbed instances inside a node",
1093             "category": FC.CATEGORY_APPLICATIONS,
1094             "create_function": create_nepi_dependency,
1095             "preconfigure_function": configure_dependency,
1096             "box_attributes": [],
1097             "connector_types": ["node"],
1098             "traces": ["buildlog"],
1099         }),
1100     NS3DEPENDENCY: dict({
1101             "help": "Requirement for NS3 inside NEPI - required to run NS3 testbed instances inside a node. It also needs NepiDependency.",
1102             "category": FC.CATEGORY_APPLICATIONS,
1103             "create_function": create_ns3_dependency,
1104             "preconfigure_function": configure_dependency,
1105             "box_attributes": [ ],
1106             "connector_types": ["node"],
1107             "traces": ["buildlog"],
1108         }),
1109     INTERNET: dict({
1110             "help": "Internet routing",
1111             "category": FC.CATEGORY_CHANNELS,
1112             "create_function": create_internet,
1113             "connector_types": ["devs"],
1114             "tags": [tags.INTERNET],
1115         }),
1116     NETPIPE: dict({
1117             "help": "Link emulation",
1118             "category": FC.CATEGORY_CHANNELS,
1119             "create_function": create_netpipe,
1120             "configure_function": configure_netpipe,
1121             "box_attributes": ["netpipe_mode",
1122                                "addr_list", "port_list",
1123                                "bw_in","plr_in","delay_in",
1124                                "bw_out","plr_out","delay_out"],
1125             "connector_types": ["node"],
1126             "traces": ["netpipe_stats"],
1127         }),
1128 })
1129
1130 testbed_attributes = dict({
1131         "slice": dict({
1132             "name": "slice",
1133             "help": "The name of the PlanetLab slice to use",
1134             "type": Attribute.STRING,
1135             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable | Attribute.NoDefaultValue,
1136             "validation_function": validation.is_string
1137         }),
1138         "auth_user": dict({
1139             "name": "authUser",
1140             "help": "The name of the PlanetLab user to use for API calls - it must have at least a User role.",
1141             "type": Attribute.STRING,
1142             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable | Attribute.NoDefaultValue,
1143             "validation_function": validation.is_string
1144         }),
1145         "auth_pass": dict({
1146             "name": "authPass",
1147             "help": "The PlanetLab user's password.",
1148             "type": Attribute.STRING,
1149             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable | Attribute.NoDefaultValue,
1150             "validation_function": validation.is_string
1151         }),
1152         "plc_host": dict({
1153             "name": "plcHost",
1154             "help": "The PlanetLab PLC API host",
1155             "type": Attribute.STRING,
1156             "value": "www.planet-lab.eu",
1157             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1158             "validation_function": validation.is_string
1159         }),
1160         "plc_url": dict({
1161             "name": "plcUrl",
1162             "help": "The PlanetLab PLC API url pattern - %(hostname)s is replaced by plcHost.",
1163             "type": Attribute.STRING,
1164             "value": "https://%(hostname)s:443/PLCAPI/",
1165             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1166             "validation_function": validation.is_string
1167         }),
1168         "p2p_deployment": dict({
1169             "name": "p2pDeployment",
1170             "help": "Enable peer-to-peer deployment of applications and dependencies. "
1171                     "When enabled, dependency packages and applications are "
1172                     "deployed in a P2P fashion, picking a single node to do "
1173                     "the building or repo download, while all the others "
1174                     "cooperatively exchange resulting binaries or rpms. "
1175                     "When deploying to many nodes, this is a far more efficient "
1176                     "use of resources. It does require re-encrypting and distributing "
1177                     "the slice's private key. Though it is implemented in a secure "
1178                     "fashion, if they key's sole purpose is not PlanetLab, then this "
1179                     "feature should be disabled.",
1180             "type": Attribute.BOOL,
1181             "value": True,
1182             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1183             "validation_function": validation.is_bool
1184         }),
1185         "slice_ssh_key": dict({
1186             "name": "sliceSSHKey",
1187             "help": "The controller-local path to the slice user's ssh private key. "
1188                     "It is the user's responsability to deploy this file where the controller "
1189                     "will run, it won't be done automatically because it's sensitive information. "
1190                     "It is recommended that a NEPI-specific user be created for this purpose and "
1191                     "this purpose alone.",
1192             "type": Attribute.STRING,
1193             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable | Attribute.NoDefaultValue,
1194             "validation_function": validation.is_string
1195         }),
1196         "pl_log_level": dict({
1197             "name": "plLogLevel",
1198             "help": "Verbosity of logging of planetlab events.",
1199             "value": "ERROR",
1200             "type": Attribute.ENUM,
1201             "allowed": ["DEBUG",
1202                         "INFO",
1203                         "WARNING",
1204                         "ERROR",
1205                         "CRITICAL"],
1206             "validation_function": validation.is_enum,
1207         }),
1208         "tap_port_base":  dict({
1209             "name": "tapPortBase",
1210             "help": "Base port to use when connecting TUN/TAPs. Effective port will be BASE + GUID.",
1211             "type": Attribute.INTEGER,
1212             "value": 15000,
1213             "range": (2000,30000),
1214             "validation_function": validation.is_integer_range(2000,30000)
1215         }),
1216     })
1217
1218 supported_recovery_policies = [
1219         DC.POLICY_FAIL,
1220         DC.POLICY_RESTART,
1221         DC.POLICY_RECOVER,
1222     ]
1223
1224 class MetadataInfo(metadata.MetadataInfo):
1225     @property
1226     def connector_types(self):
1227         return connector_types
1228
1229     @property
1230     def connections(self):
1231         return connections
1232
1233     @property
1234     def attributes(self):
1235         return attributes
1236
1237     @property
1238     def traces(self):
1239         return traces
1240
1241     @property
1242     def create_order(self):
1243         return create_order
1244
1245     @property
1246     def configure_order(self):
1247         return configure_order
1248
1249     @property
1250     def prestart_order(self):
1251         return start_order
1252
1253     @property
1254     def start_order(self):
1255         return start_order
1256
1257     @property
1258     def factories_info(self):
1259         return factories_info
1260
1261     @property
1262     def testbed_attributes(self):
1263         return testbed_attributes
1264
1265     @property
1266     def testbed_id(self):
1267         return TESTBED_ID
1268
1269     @property
1270     def testbed_version(self):
1271         return TESTBED_VERSION
1272
1273     @property
1274     def supported_recovery_policies(self):
1275         return supported_recovery_policies
1276
1277