src/nepi/testbeds/planetlab/metadata.py

   1 # -*- coding: utf-8 -*-
   2
   3 import time
   4
   5 from constants import TESTBED_ID, TESTBED_VERSION
   6 from nepi.core import metadata
   7 from nepi.core.metadata import Parallel
   8 from nepi.core.attributes import Attribute
   9 from nepi.util import tags, validation
  10 from nepi.util.constants import ApplicationStatus as AS, \
  11         FactoryCategories as FC, \
  12         ATTR_NEPI_TESTBED_ENVIRONMENT_SETUP, \
  13         DeploymentConfiguration as DC
  14
  15 import functools
  16 import os
  17 import os.path
  18 import weakref
  19
  20 NODE = "Node"
  21 NODEIFACE = "NodeInterface"
  22 TUNIFACE = "TunInterface"
  23 TAPIFACE = "TapInterface"
  24 APPLICATION = "Application"
  25 CCNXDAEMON = "CCNxDaemon"
  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_ccnxdaemon(testbed_instance, guid):
 328     parameters = testbed_instance._get_parameters(guid)
 329     element = testbed_instance._make_application(parameters,
 330             clazz  = testbed_instance._app.CCNxDaemon )
 331
 332     # Just inject configuration stuff
 333     element.home_path = "nepi-ccnd-%s" % (guid,)
 334
 335     testbed_instance.elements[guid] = element
 336
 337 def create_dependency(testbed_instance, guid):
 338     parameters = testbed_instance._get_parameters(guid)
 339     element = testbed_instance._make_dependency(parameters)
 340
 341     # Just inject configuration stuff
 342     element.home_path = "nepi-dep-%s" % (guid,)
 343
 344     testbed_instance.elements[guid] = element
 345
 346 def create_nepi_dependency(testbed_instance, guid):
 347     parameters = testbed_instance._get_parameters(guid)
 348     element = testbed_instance._make_nepi_dependency(parameters)
 349
 350     # Just inject configuration stuff
 351     element.home_path = "nepi-nepi-%s" % (guid,)
 352
 353     testbed_instance.elements[guid] = element
 354
 355 def create_ns3_dependency(testbed_instance, guid):
 356     parameters = testbed_instance._get_parameters(guid)
 357     element = testbed_instance._make_ns3_dependency(parameters)
 358
 359     # Just inject configuration stuff
 360     element.home_path = "nepi-ns3-%s" % (guid,)
 361
 362     testbed_instance.elements[guid] = element
 363
 364 def create_multicast_forwarder(testbed_instance, guid):
 365     parameters = testbed_instance._get_parameters(guid)
 366     element = testbed_instance._make_multicast_forwarder(parameters)
 367
 368     # Just inject configuration stuff
 369     element.home_path = "nepi-mcfwd-%s" % (guid,)
 370
 371     testbed_instance.elements[guid] = element
 372
 373 def create_multicast_announcer(testbed_instance, guid):
 374     parameters = testbed_instance._get_parameters(guid)
 375     element = testbed_instance._make_multicast_announcer(parameters)
 376
 377     # Just inject configuration stuff
 378     element.home_path = "nepi-mcann-%s" % (guid,)
 379
 380     testbed_instance.elements[guid] = element
 381
 382 def create_multicast_router(testbed_instance, guid):
 383     parameters = testbed_instance._get_parameters(guid)
 384     element = testbed_instance._make_multicast_router(parameters)
 385
 386     # Just inject configuration stuff
 387     element.home_path = "nepi-mcrt-%s" % (guid,)
 388
 389     testbed_instance.elements[guid] = element
 390
 391 def create_internet(testbed_instance, guid):
 392     parameters = testbed_instance._get_parameters(guid)
 393     element = testbed_instance._make_internet(parameters)
 394     testbed_instance.elements[guid] = element
 395
 396 def create_netpipe(testbed_instance, guid):
 397     parameters = testbed_instance._get_parameters(guid)
 398     element = testbed_instance._make_netpipe(parameters)
 399     testbed_instance.elements[guid] = element
 400
 401 ### Start/Stop functions ###
 402
 403 def prestart_ccnxdaemon(testbed_instance, guid):
 404     # ccnx daemon needs to start before the rest of the
 405     # ccn applications
 406     start_application(testbed_instance, guid)
 407
 408 def stop_ccndaemon(testbed_instance, guid):
 409     app = testbed_instance.elements[guid]
 410     app.kill()
 411
 412 def start_application(testbed_instance, guid):
 413     parameters = testbed_instance._get_parameters(guid)
 414     traces = testbed_instance._get_traces(guid)
 415     app = testbed_instance.elements[guid]
 416
 417     app.stdout = "stdout" in traces
 418     app.stderr = "stderr" in traces
 419     app.buildlog = "buildlog" in traces
 420     app.outout = "output" in traces
 421
 422     app.start()
 423
 424 def stop_application(testbed_instance, guid):
 425     app = testbed_instance.elements[guid]
 426     app.kill()
 427
 428 ### Status functions ###
 429
 430 def status_application(testbed_instance, guid):
 431     if guid not in testbed_instance.elements.keys():
 432         return AS.STATUS_NOT_STARTED
 433
 434     app = testbed_instance.elements[guid]
 435     return app.status()
 436
 437 ### Configure functions ###
 438
 439 def configure_nodeiface(testbed_instance, guid):
 440     element = testbed_instance._elements[guid]
 441
 442     # Cannot explicitly configure addresses
 443     if guid in testbed_instance._add_address:
 444         raise ValueError, "Cannot explicitly set address of public PlanetLab interface"
 445
 446     # Get siblings
 447     node_guid = testbed_instance.get_connected(guid, "node", "devs")[0]
 448     dev_guids = testbed_instance.get_connected(node_guid, "node", "devs")
 449     siblings = [ self._element[dev_guid]
 450                  for dev_guid in dev_guids
 451                  if dev_guid != guid ]
 452
 453     # Fetch address from PLC api
 454     element.pick_iface(siblings)
 455
 456     # Do some validations
 457     element.validate()
 458
 459 def preconfigure_tuniface(testbed_instance, guid):
 460     element = testbed_instance._elements[guid]
 461
 462     # Set custom addresses if any, and if not set already
 463     if guid in testbed_instance._add_address and not (element.address or element.netmask or element.netprefix):
 464         addresses = testbed_instance._add_address[guid]
 465         for address in addresses:
 466             (address, netprefix, broadcast) = address
 467             element.add_address(address, netprefix, broadcast)
 468
 469     # Link to external interface, if any
 470     for iface in testbed_instance._elements.itervalues():
 471         if isinstance(iface, testbed_instance._interfaces.NodeIface) and iface.node is element.node and iface.has_internet:
 472             element.external_iface = iface
 473             break
 474
 475     # Set standard TUN attributes
 476     if (not element.tun_addr or not element.tun_port) and element.external_iface:
 477         element.tun_addr = element.external_iface.address
 478         element.tun_port = testbed_instance.tapPortBase + int(guid)
 479
 480     # Set enabled traces
 481     traces = testbed_instance._get_traces(guid)
 482     for capmode in ('pcap', 'packets'):
 483         if capmode in traces:
 484             element.capture = capmode
 485             break
 486     else:
 487         element.capture = False
 488
 489     # Do some validations
 490     element.validate()
 491
 492     # First-phase setup
 493     element.prepare('tun-%s' % (guid,))
 494
 495 def postconfigure_tuniface(testbed_instance, guid):
 496     element = testbed_instance._elements[guid]
 497
 498     # Second-phase setup
 499     element.launch()
 500
 501 def prestart_tuniface(testbed_instance, guid):
 502     element = testbed_instance._elements[guid]
 503
 504     # Second-phase setup
 505     element.wait()
 506
 507 def configure_node(testbed_instance, guid):
 508     node = testbed_instance._elements[guid]
 509
 510     # Just inject configuration stuff
 511     node.home_path = "nepi-node-%s" % (guid,)
 512     node.ident_path = testbed_instance.sliceSSHKey
 513     node.slicename = testbed_instance.slicename
 514
 515     # Do some validations
 516     node.validate()
 517
 518     # this will be done in parallel in all nodes
 519     # this call only spawns the process
 520     node.install_dependencies()
 521
 522 def configure_node_routes(testbed_instance, guid):
 523     node = testbed_instance._elements[guid]
 524     routes = testbed_instance._add_route.get(guid)
 525
 526     if routes:
 527         devs = [ dev
 528             for dev_guid in testbed_instance.get_connected(guid, "devs", "node")
 529             for dev in ( testbed_instance._elements.get(dev_guid) ,)
 530             if dev and isinstance(dev, testbed_instance._interfaces.TunIface) ]
 531
 532         vsys = testbed_instance.vsys_vnet
 533
 534         node.configure_routes(routes, devs, vsys)
 535
 536 def configure_application(testbed_instance, guid):
 537     app = testbed_instance._elements[guid]
 538
 539     # Do some validations
 540     app.validate()
 541
 542     # Wait for dependencies
 543     app.node.wait_dependencies()
 544
 545     # Install stuff
 546     app.async_setup()
 547
 548 def configure_dependency(testbed_instance, guid):
 549     dep = testbed_instance._elements[guid]
 550
 551     # Do some validations
 552     dep.validate()
 553
 554     # Wait for dependencies
 555     dep.node.wait_dependencies()
 556
 557     # Install stuff
 558     dep.async_setup()
 559
 560 def configure_announcer(testbed_instance, guid):
 561     # Link ifaces
 562     fwd = testbed_instance._elements[guid]
 563     fwd.ifaces = [ dev
 564         for node_guid in testbed_instance.get_connected(guid, "node", "apps")
 565         for dev_guid in testbed_instance.get_connected(node_guid, "devs", "node")
 566         for dev in ( testbed_instance._elements.get(dev_guid) ,)
 567         if dev and isinstance(dev, testbed_instance._interfaces.TunIface)
 568             and dev.multicast ]
 569
 570     # Install stuff
 571     configure_dependency(testbed_instance, guid)
 572
 573 def configure_forwarder(testbed_instance, guid):
 574     configure_announcer(testbed_instance, guid)
 575
 576     # Link ifaces to forwarder
 577     fwd = testbed_instance._elements[guid]
 578     for iface in fwd.ifaces:
 579         iface.multicast_forwarder = '/var/run/mcastfwd'
 580
 581 def configure_router(testbed_instance, guid):
 582     # Link ifaces
 583     rt = testbed_instance._elements[guid]
 584     rt.nonifaces = [ dev
 585         for fwd_guid in testbed_instance.get_connected(guid, "fwd", "router")
 586         for node_guid in testbed_instance.get_connected(fwd_guid, "node", "apps")
 587         for dev_guid in testbed_instance.get_connected(node_guid, "devs", "node")
 588         for dev in ( testbed_instance._elements.get(dev_guid) ,)
 589         if dev and isinstance(dev, testbed_instance._interfaces.TunIface)
 590             and not dev.multicast ]
 591
 592     # Install stuff
 593     configure_dependency(testbed_instance, guid)
 594
 595 def configure_netpipe(testbed_instance, guid):
 596     netpipe = testbed_instance._elements[guid]
 597
 598     # Do some validations
 599     netpipe.validate()
 600
 601     # Wait for dependencies
 602     netpipe.node.wait_dependencies()
 603
 604     # Install rules
 605     netpipe.configure()
 606
 607 ### Factory information ###
 608
 609 connector_types = dict({
 610     "apps": dict({
 611                 "help": "Connector from node to applications",
 612                 "name": "apps",
 613                 "max": -1,
 614                 "min": 0
 615             }),
 616     "devs": dict({
 617                 "help": "Connector from node to network interfaces",
 618                 "name": "devs",
 619                 "max": -1,
 620                 "min": 0
 621             }),
 622     "deps": dict({
 623                 "help": "Connector from node to application dependencies "
 624                         "(packages and applications that need to be installed)",
 625                 "name": "deps",
 626                 "max": -1,
 627                 "min": 0
 628             }),
 629     "inet": dict({
 630                 "help": "Connector from network interfaces to the internet",
 631                 "name": "inet",
 632                 "max": 1,
 633                 "min": 1
 634             }),
 635     "node": dict({
 636                 "help": "Connector to a Node",
 637                 "name": "node",
 638                 "max": 1,
 639                 "min": 1
 640             }),
 641     "router": dict({
 642                 "help": "Connector to a routing daemon",
 643                 "name": "router",
 644                 "max": 1,
 645                 "min": 0
 646             }),
 647     "fwd": dict({
 648                 "help": "Forwarder this routing daemon communicates with",
 649                 "name": "fwd",
 650                 "max": 1,
 651                 "min": 1
 652             }),
 653     "pipes": dict({
 654                 "help": "Connector to a NetPipe",
 655                 "name": "pipes",
 656                 "max": 2,
 657                 "min": 0
 658             }),
 659
 660     "tcp": dict({
 661                 "help": "ip-ip tunneling over TCP link",
 662                 "name": "tcp",
 663                 "max": 1,
 664                 "min": 0
 665             }),
 666     "udp": dict({
 667                 "help": "ip-ip tunneling over UDP datagrams",
 668                 "name": "udp",
 669                 "max": 1,
 670                 "min": 0
 671             }),
 672     "gre": dict({
 673                 "help": "IP or Ethernet tunneling using the GRE protocol",
 674                 "name": "gre",
 675                 "max": 1,
 676                 "min": 0
 677             }),
 678     "fd->": dict({
 679                 "help": "TUN device file descriptor provider",
 680                 "name": "fd->",
 681                 "max": 1,
 682                 "min": 0
 683             }),
 684     "->fd": dict({
 685                 "help": "TUN device file descriptor slot",
 686                 "name": "->fd",
 687                 "max": 1,
 688                 "min": 0
 689             }),
 690    })
 691
 692 connections = [
 693     dict({
 694         "from": (TESTBED_ID, NODE, "devs"),
 695         "to":   (TESTBED_ID, NODEIFACE, "node"),
 696         "init_code": connect_node_iface_node,
 697         "can_cross": False
 698     }),
 699     dict({
 700         "from": (TESTBED_ID, NODE, "devs"),
 701         "to":   (TESTBED_ID, TUNIFACE, "node"),
 702         "init_code": connect_tun_iface_node,
 703         "can_cross": False
 704     }),
 705     dict({
 706         "from": (TESTBED_ID, NODE, "devs"),
 707         "to":   (TESTBED_ID, TAPIFACE, "node"),
 708         "init_code": connect_tun_iface_node,
 709         "can_cross": False
 710     }),
 711     dict({
 712         "from": (TESTBED_ID, NODEIFACE, "inet"),
 713         "to":   (TESTBED_ID, INTERNET, "devs"),
 714         "init_code": connect_node_iface_inet,
 715         "can_cross": False
 716     }),
 717     dict({
 718         "from": (TESTBED_ID, NODE, "apps"),
 719         "to":   (TESTBED_ID, (APPLICATION, CCNXDAEMON, MULTICASTANNOUNCER), "node"),
 720         "init_code": connect_dep,
 721         "can_cross": False
 722     }),
 723     dict({
 724         "from": (TESTBED_ID, NODE, "deps"),
 725         "to":   (TESTBED_ID, (DEPENDENCY, NEPIDEPENDENCY, NS3DEPENDENCY), "node"),
 726         "init_code": connect_dep,
 727         "can_cross": False
 728     }),
 729     dict({
 730         "from": (TESTBED_ID, NODE, "pipes"),
 731         "to":   (TESTBED_ID, NETPIPE, "node"),
 732         "init_code": connect_node_netpipe,
 733         "can_cross": False
 734     }),
 735     dict({
 736         "from": (TESTBED_ID, NODE, "apps"),
 737         "to":   (TESTBED_ID, MULTICASTFORWARDER, "node"),
 738         "init_code": connect_forwarder,
 739         "can_cross": False
 740     }),
 741     dict({
 742         "from": (TESTBED_ID, MULTICASTFORWARDER, "router"),
 743         "to":   (TESTBED_ID, MULTICASTROUTER, "fwd"),
 744         "init_code": connect_router,
 745         "can_cross": False
 746     }),
 747     dict({
 748         "from": (TESTBED_ID, TUNIFACE, "tcp"),
 749         "to":   (TESTBED_ID, TUNIFACE, "tcp"),
 750         "init_code": functools.partial(connect_tun_iface_peer,"tcp"),
 751         "can_cross": False
 752     }),
 753     dict({
 754         "from": (TESTBED_ID, TUNIFACE, "udp"),
 755         "to":   (TESTBED_ID, TUNIFACE, "udp"),
 756         "init_code": functools.partial(connect_tun_iface_peer,"udp"),
 757         "can_cross": False
 758     }),
 759     dict({
 760         "from": (TESTBED_ID, TUNIFACE, "gre"),
 761         "to":   (TESTBED_ID, TUNIFACE, "gre"),
 762         "init_code": functools.partial(connect_tun_iface_peer,"gre"),
 763         "can_cross": False
 764     }),
 765     dict({
 766         "from": (TESTBED_ID, TUNIFACE, "fd->"),
 767         "to":   (TESTBED_ID, TUNFILTERS, "->fd"),
 768         "init_code": connect_tun_iface_filter,
 769         "can_cross": False
 770     }),
 771     dict({
 772         "from": (TESTBED_ID, TUNFILTERS, "tcp"),
 773         "to":   (TESTBED_ID, TUNIFACE, "tcp"),
 774         "init_code": functools.partial(connect_filter_peer,"tcp"),
 775         "can_cross": False
 776     }),
 777     dict({
 778         "from": (TESTBED_ID, TUNFILTERS, "udp"),
 779         "to":   (TESTBED_ID, TUNIFACE, "udp"),
 780         "init_code": functools.partial(connect_filter_peer,"udp"),
 781         "can_cross": False
 782     }),
 783     dict({
 784         "from": (TESTBED_ID, TAPIFACE, "tcp"),
 785         "to":   (TESTBED_ID, TAPIFACE, "tcp"),
 786         "init_code": functools.partial(connect_tun_iface_peer,"tcp"),
 787         "can_cross": False
 788     }),
 789     dict({
 790         "from": (TESTBED_ID, TAPIFACE, "udp"),
 791         "to":   (TESTBED_ID, TAPIFACE, "udp"),
 792         "init_code": functools.partial(connect_tun_iface_peer,"udp"),
 793         "can_cross": False
 794     }),
 795     dict({
 796         "from": (TESTBED_ID, TAPIFACE, "gre"),
 797         "to":   (TESTBED_ID, TAPIFACE, "gre"),
 798         "init_code": functools.partial(connect_tun_iface_peer,"gre"),
 799         "can_cross": False
 800     }),
 801     dict({
 802         "from": (TESTBED_ID, TAPIFACE, "fd->"),
 803         "to":   (TESTBED_ID, TAPFILTERS, "->fd"),
 804         "init_code": connect_tun_iface_filter,
 805         "can_cross": False
 806     }),
 807     dict({
 808         "from": (TESTBED_ID, TAPFILTERS, "tcp"),
 809         "to":   (TESTBED_ID, TAPIFACE, "tcp"),
 810         "init_code": functools.partial(connect_filter_peer,"tcp"),
 811         "can_cross": False
 812     }),
 813     dict({
 814         "from": (TESTBED_ID, TAPFILTERS, "udp"),
 815         "to":   (TESTBED_ID, TAPIFACE, "udp"),
 816         "init_code": functools.partial(connect_filter_peer,"udp"),
 817         "can_cross": False
 818     }),
 819     dict({
 820         "from": (TESTBED_ID, TUNFILTERS, "tcp"),
 821         "to":   (TESTBED_ID, TUNFILTERS, "tcp"),
 822         "init_code": functools.partial(connect_filter_filter,"tcp"),
 823         "can_cross": False
 824     }),
 825     dict({
 826         "from": (TESTBED_ID, TUNFILTERS, "udp"),
 827         "to":   (TESTBED_ID, TUNFILTERS, "udp"),
 828         "init_code": functools.partial(connect_filter_filter,"udp"),
 829         "can_cross": False
 830     }),
 831     dict({
 832         "from": (TESTBED_ID, TAPFILTERS, "tcp"),
 833         "to":   (TESTBED_ID, TAPFILTERS, "tcp"),
 834         "init_code": functools.partial(connect_filter_filter,"tcp"),
 835         "can_cross": False
 836     }),
 837     dict({
 838         "from": (TESTBED_ID, TAPFILTERS, "udp"),
 839         "to":   (TESTBED_ID, TAPFILTERS, "udp"),
 840         "init_code": functools.partial(connect_filter_filter,"udp"),
 841         "can_cross": False
 842     }),
 843     dict({
 844         "from": (TESTBED_ID, TUNIFACE, "tcp"),
 845         "to":   (None, None, "tcp"),
 846         "init_code": functools.partial(crossconnect_tun_iface_peer_init,"tcp"),
 847         "compl_code": functools.partial(crossconnect_tun_iface_peer_compl,"tcp"),
 848         "can_cross": True
 849     }),
 850     dict({
 851         "from": (TESTBED_ID, TUNIFACE, "udp"),
 852         "to":   (None, None, "udp"),
 853         "init_code": functools.partial(crossconnect_tun_iface_peer_init,"udp"),
 854         "compl_code": functools.partial(crossconnect_tun_iface_peer_compl,"udp"),
 855         "can_cross": True
 856     }),
 857     dict({
 858         "from": (TESTBED_ID, TUNIFACE, "fd->"),
 859         "to":   (None, None, "->fd"),
 860         "compl_code": functools.partial(crossconnect_tun_iface_peer_both,"fd"),
 861         "can_cross": True
 862     }),
 863     dict({
 864         "from": (TESTBED_ID, TUNIFACE, "gre"),
 865         "to":   (None, None, "gre"),
 866         "compl_code": functools.partial(crossconnect_tun_iface_peer_both,"gre"),
 867         "can_cross": True
 868     }),
 869     dict({
 870         "from": (TESTBED_ID, TAPIFACE, "tcp"),
 871         "to":   (None, None, "tcp"),
 872         "init_code": functools.partial(crossconnect_tun_iface_peer_init,"tcp"),
 873         "compl_code": functools.partial(crossconnect_tun_iface_peer_compl,"tcp"),
 874         "can_cross": True
 875     }),
 876     dict({
 877         "from": (TESTBED_ID, TAPIFACE, "udp"),
 878         "to":   (None, None, "udp"),
 879         "init_code": functools.partial(crossconnect_tun_iface_peer_init,"udp"),
 880         "compl_code": functools.partial(crossconnect_tun_iface_peer_compl,"udp"),
 881         "can_cross": True
 882     }),
 883     dict({
 884         "from": (TESTBED_ID, TAPIFACE, "fd->"),
 885         "to":   (None, None, "->fd"),
 886         "compl_code": functools.partial(crossconnect_tun_iface_peer_both,"fd"),
 887         "can_cross": True
 888     }),
 889     # EGRE is an extension of PlanetLab, so we can't connect externally
 890     # if the other testbed isn't another PlanetLab
 891     dict({
 892         "from": (TESTBED_ID, TAPIFACE, "gre"),
 893         "to":   (TESTBED_ID, None, "gre"),
 894         "compl_code": functools.partial(crossconnect_tun_iface_peer_both,"gre"),
 895         "can_cross": True
 896     }),
 897     dict({
 898         "from": (TESTBED_ID, ALLFILTERS, "tcp"),
 899         "to":   (None, None, "tcp"),
 900         "init_code": functools.partial(crossconnect_filter_peer_init,"tcp"),
 901         "compl_code": functools.partial(crossconnect_filter_peer_compl,"tcp"),
 902         "can_cross": True
 903     }),
 904     dict({
 905         "from": (TESTBED_ID, ALLFILTERS, "udp"),
 906         "to":   (None, None, "udp"),
 907         "init_code": functools.partial(crossconnect_filter_peer_init,"udp"),
 908         "compl_code": functools.partial(crossconnect_filter_peer_compl,"udp"),
 909         "can_cross": True
 910     }),
 911 ]
 912
 913 attributes = dict({
 914     "forward_X11": dict({
 915                 "name": "forward_X11",
 916                 "help": "Forward x11 from main namespace to the node",
 917                 "type": Attribute.BOOL,
 918                 "value": False,
 919                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 920                 "validation_function": validation.is_bool,
 921             }),
 922     "hostname": dict({
 923                 "name": "hostname",
 924                 "help": "Constrain hostname during resource discovery. May use wildcards.",
 925                 "type": Attribute.STRING,
 926                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 927                 "validation_function": validation.is_string,
 928             }),
 929     "city": dict({
 930                 "name": "city",
 931                 "help": "Constrain location (city) during resource discovery. May use wildcards.",
 932                 "type": Attribute.STRING,
 933                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 934                 "validation_function": validation.is_string,
 935             }),
 936     "country": dict({
 937                 "name": "hostname",
 938                 "help": "Constrain location (country) during resource discovery. May use wildcards.",
 939                 "type": Attribute.STRING,
 940                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 941                 "validation_function": validation.is_string,
 942             }),
 943     "region": dict({
 944                 "name": "hostname",
 945                 "help": "Constrain location (region) during resource discovery. May use wildcards.",
 946                 "type": Attribute.STRING,
 947                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 948                 "validation_function": validation.is_string,
 949             }),
 950     "architecture": dict({
 951                 "name": "architecture",
 952                 "help": "Constrain architexture during resource discovery.",
 953                 "type": Attribute.ENUM,
 954                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 955                 "allowed": ["x86_64",
 956                             "i386"],
 957                 "validation_function": validation.is_enum,
 958             }),
 959     "operating_system": dict({
 960                 "name": "operatingSystem",
 961                 "help": "Constrain operating system during resource discovery.",
 962                 "type": Attribute.ENUM,
 963                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 964                 "allowed": ["f8",
 965                             "f12",
 966                             "f14",
 967                             "centos",
 968                             "other"],
 969                 "validation_function": validation.is_enum,
 970             }),
 971     "site": dict({
 972                 "name": "site",
 973                 "help": "Constrain the PlanetLab site this node should reside on.",
 974                 "type": Attribute.ENUM,
 975                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 976                 "allowed": ["PLE",
 977                             "PLC",
 978                             "PLJ"],
 979                 "validation_function": validation.is_enum,
 980             }),
 981     "min_reliability": dict({
 982                 "name": "minReliability",
 983                 "help": "Constrain reliability while picking PlanetLab nodes. Specifies a lower acceptable bound.",
 984                 "type": Attribute.DOUBLE,
 985                 "range": (0,100),
 986                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 987                 "validation_function": validation.is_number,
 988             }),
 989     "max_reliability": dict({
 990                 "name": "maxReliability",
 991                 "help": "Constrain reliability while picking PlanetLab nodes. Specifies an upper acceptable bound.",
 992                 "type": Attribute.DOUBLE,
 993                 "range": (0,100),
 994                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
 995                 "validation_function": validation.is_number,
 996             }),
 997     "min_bandwidth": dict({
 998                 "name": "minBandwidth",
 999                 "help": "Constrain available bandwidth while picking PlanetLab nodes. Specifies a lower acceptable bound.",
1000                 "type": Attribute.DOUBLE,
1001                 "range": (0,2**31),
1002                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1003                 "validation_function": validation.is_number,
1004             }),
1005     "max_bandwidth": dict({
1006                 "name": "maxBandwidth",
1007                 "help": "Constrain available bandwidth while picking PlanetLab nodes. Specifies an upper acceptable bound.",
1008                 "type": Attribute.DOUBLE,
1009                 "range": (0,2**31),
1010                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1011                 "validation_function": validation.is_number,
1012             }),
1013     "min_load": dict({
1014                 "name": "minLoad",
1015                 "help": "Constrain node load average while picking PlanetLab nodes. Specifies a lower acceptable bound.",
1016                 "type": Attribute.DOUBLE,
1017                 "range": (0,2**31),
1018                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1019                 "validation_function": validation.is_number,
1020             }),
1021     "max_load": dict({
1022                 "name": "maxLoad",
1023                 "help": "Constrain node load average while picking PlanetLab nodes. Specifies an upper acceptable bound.",
1024                 "type": Attribute.DOUBLE,
1025                 "range": (0,2**31),
1026                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1027                 "validation_function": validation.is_number,
1028             }),
1029     "min_cpu": dict({
1030                 "name": "minCpu",
1031                 "help": "Constrain available cpu time while picking PlanetLab nodes. Specifies a lower acceptable bound.",
1032                 "type": Attribute.DOUBLE,
1033                 "range": (0,100),
1034                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1035                 "validation_function": validation.is_number,
1036             }),
1037     "max_cpu": dict({
1038                 "name": "maxCpu",
1039                 "help": "Constrain available cpu time while picking PlanetLab nodes. Specifies an upper acceptable bound.",
1040                 "type": Attribute.DOUBLE,
1041                 "range": (0,100),
1042                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1043                 "validation_function": validation.is_number,
1044             }),
1045
1046     "up": dict({
1047                 "name": "up",
1048                 "help": "Link up",
1049                 "type": Attribute.BOOL,
1050                 "value": False,
1051                 "validation_function": validation.is_bool
1052             }),
1053     "primary": dict({
1054                 "name": "primary",
1055                 "help": "This is the primary interface for the attached node",
1056                 "type": Attribute.BOOL,
1057                 "value": True,
1058                 "validation_function": validation.is_bool
1059             }),
1060     "if_name": dict({
1061                 "name": "if_name",
1062                 "help": "Device name",
1063                 "type": Attribute.STRING,
1064                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1065                 "validation_function": validation.is_string
1066             }),
1067     "mtu":  dict({
1068                 "name": "mtu",
1069                 "help": "Maximum transmition unit for device",
1070                 "type": Attribute.INTEGER,
1071                 "range": (0,1500),
1072                 "validation_function": validation.is_integer_range(0,1500)
1073             }),
1074     "mask":  dict({
1075                 "name": "mask",
1076                 "help": "Network mask for the device (eg: 24 for /24 network)",
1077                 "type": Attribute.INTEGER,
1078                 "validation_function": validation.is_integer_range(8,24)
1079             }),
1080     "snat":  dict({
1081                 "name": "snat",
1082                 "help": "Enable SNAT (source NAT to the internet) no this device",
1083                 "type": Attribute.BOOL,
1084                 "value": False,
1085                 "validation_function": validation.is_bool
1086             }),
1087     "multicast":  dict({
1088                 "name": "multicast",
1089                 "help": "Enable multicast forwarding on this device. "
1090                         "Note that you still need a multicast routing daemon "
1091                         "in the node.",
1092                 "type": Attribute.BOOL,
1093                 "value": False,
1094                 "validation_function": validation.is_bool
1095             }),
1096     "pointopoint":  dict({
1097                 "name": "pointopoint",
1098                 "help": "If the interface is a P2P link, the remote endpoint's IP "
1099                         "should be set on this attribute.",
1100                 "type": Attribute.STRING,
1101                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1102                 "validation_function": validation.is_string
1103             }),
1104     "bwlimit":  dict({
1105                 "name": "bwlimit",
1106                 "help": "Emulated transmission speed (in kbytes per second)",
1107                 "type": Attribute.INTEGER,
1108                 "range" : (1,10*2**20),
1109                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1110                 "validation_function": validation.is_integer
1111             }),
1112     "txqueuelen":  dict({
1113                 "name": "txqueuelen",
1114                 "help": "Transmission queue length (in packets)",
1115                 "type": Attribute.INTEGER,
1116                 "value": 1000,
1117                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1118                 "range" : (1,10000),
1119                 "validation_function": validation.is_integer
1120             }),
1121
1122     "command": dict({
1123                 "name": "command",
1124                 "help": "Command line string",
1125                 "type": Attribute.STRING,
1126                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1127                 "validation_function": validation.is_string
1128             }),
1129     "ccnroutes": dict({
1130                 "name": "ccnroutes",
1131                 "help": "Route can be static (e.g. udp ip) or multicast (e.g. udp 224.0.0.204 2869). To separate different route use '|' ",
1132                 "type": Attribute.STRING,
1133                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1134                 "validation_function": validation.is_string
1135             }),
1136      "sudo": dict({
1137                 "name": "sudo",
1138                 "help": "Run with root privileges",
1139                 "type": Attribute.BOOL,
1140                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1141                 "value": False,
1142                 "validation_function": validation.is_bool
1143             }),
1144     "stdin": dict({
1145                 "name": "stdin",
1146                 "help": "Standard input",
1147                 "type": Attribute.STRING,
1148                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1149                 "validation_function": validation.is_string
1150             }),
1151
1152     "depends": dict({
1153                 "name": "depends",
1154                 "help": "Space-separated list of packages required to run the application",
1155                 "type": Attribute.STRING,
1156                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1157                 "validation_function": validation.is_string
1158             }),
1159     "build-depends": dict({
1160                 "name": "buildDepends",
1161                 "help": "Space-separated list of packages required to build the application",
1162                 "type": Attribute.STRING,
1163                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1164                 "validation_function": validation.is_string
1165             }),
1166     "rpm-fusion": dict({
1167                 "name": "rpmFusion",
1168                 "help": "True if required packages can be found in the RpmFusion repository",
1169                 "type": Attribute.BOOL,
1170                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1171                 "value": False,
1172                 "validation_function": validation.is_bool
1173             }),
1174     "sources": dict({
1175                 "name": "sources",
1176                 "help": "Space-separated list of regular files to be deployed in the working path prior to building. "
1177                         "Archives won't be expanded automatically.",
1178                 "type": Attribute.STRING,
1179                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1180                 "validation_function": validation.is_string
1181             }),
1182     "ccnsources": dict({
1183                 "name": "ccnsources",
1184                 "help": "Path to local tar with ccnx sources."
1185                         "Default source is http://www.ccnx.org/releases/ccnx-0.5.1.tar.gz",
1186                 "type": Attribute.STRING,
1187                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1188                 "validation_function": validation.is_string
1189             }),
1190     "build": dict({
1191                 "name": "build",
1192                 "help": "Build commands to execute after deploying the sources. "
1193                         "Sources will be in the ${SOURCES} folder. "
1194                         "Example: tar xzf ${SOURCES}/my-app.tgz && cd my-app && ./configure && make && make clean.\n"
1195                         "Try to make the commands return with a nonzero exit code on error.\n"
1196                         "Also, do not install any programs here, use the 'install' attribute. This will "
1197                         "help keep the built files constrained to the build folder (which may "
1198                         "not be the home folder), and will result in faster deployment. Also, "
1199                         "make sure to clean up temporary files, to reduce bandwidth usage between "
1200                         "nodes when transferring built packages.",
1201                 "type": Attribute.STRING,
1202                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1203                 "validation_function": validation.is_string
1204             }),
1205     "install": dict({
1206                 "name": "install",
1207                 "help": "Commands to transfer built files to their final destinations. "
1208                         "Sources will be in the initial working folder, and a special "
1209                         "tag ${SOURCES} can be used to reference the experiment's "
1210                         "home folder (where the application commands will run).\n"
1211                         "ALL sources and targets needed for execution must be copied there, "
1212                         "if building has been enabled.\n"
1213                         "That is, 'slave' nodes will not automatically get any source files. "
1214                         "'slave' nodes don't get build dependencies either, so if you need "
1215                         "make and other tools to install, be sure to provide them as "
1216                         "actual dependencies instead.",
1217                 "type": Attribute.STRING,
1218                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1219                 "validation_function": validation.is_string
1220             }),
1221
1222     "netpipe_mode": dict({
1223                 "name": "mode",
1224                 "help": "Link mode:\n"
1225                         " * SERVER: applies to incoming connections\n"
1226                         " * CLIENT: applies to outgoing connections\n"
1227                         " * SERVICE: applies to both",
1228                 "type": Attribute.ENUM,
1229                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1230                 "allowed": ["SERVER",
1231                             "CLIENT",
1232                             "SERVICE"],
1233                 "validation_function": validation.is_enum,
1234             }),
1235     "port_list":  dict({
1236                 "name": "portList",
1237                 "help": "Port list or range. Eg: '22', '22,23,27', '20-2000'",
1238                 "type": Attribute.STRING,
1239                 "validation_function": is_portlist,
1240             }),
1241     "addr_list":  dict({
1242                 "name": "addrList",
1243                 "help": "Address list or range. Eg: '127.0.0.1', '127.0.0.1,127.0.1.1', '127.0.0.1/8'",
1244                 "type": Attribute.STRING,
1245                 "validation_function": is_addrlist,
1246             }),
1247     "bw_in":  dict({
1248                 "name": "bwIn",
1249                 "help": "Inbound bandwidth limit (in Mbit/s)",
1250                 "type": Attribute.DOUBLE,
1251                 "validation_function": validation.is_number,
1252             }),
1253     "bw_out":  dict({
1254                 "name": "bwOut",
1255                 "help": "Outbound bandwidth limit (in Mbit/s)",
1256                 "type": Attribute.DOUBLE,
1257                 "validation_function": validation.is_number,
1258             }),
1259     "plr_in":  dict({
1260                 "name": "plrIn",
1261                 "help": "Inbound packet loss rate (0 = no loss, 1 = 100% loss)",
1262                 "type": Attribute.DOUBLE,
1263                 "validation_function": validation.is_number,
1264             }),
1265     "plr_out":  dict({
1266                 "name": "plrOut",
1267                 "help": "Outbound packet loss rate (0 = no loss, 1 = 100% loss)",
1268                 "type": Attribute.DOUBLE,
1269                 "validation_function": validation.is_number,
1270             }),
1271     "delay_in":  dict({
1272                 "name": "delayIn",
1273                 "help": "Inbound packet delay (in milliseconds)",
1274                 "type": Attribute.INTEGER,
1275                 "range": (0,60000),
1276                 "validation_function": validation.is_integer,
1277             }),
1278     "delay_out":  dict({
1279                 "name": "delayOut",
1280                 "help": "Outbound packet delay (in milliseconds)",
1281                 "type": Attribute.INTEGER,
1282                 "range": (0,60000),
1283                 "validation_function": validation.is_integer,
1284             }),
1285     "module": dict({
1286                 "name": "module",
1287                 "help": "Path to a .c or .py source for a filter module, or a binary .so",
1288                 "type": Attribute.STRING,
1289                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1290                 "validation_function": validation.is_string
1291             }),
1292     "args": dict({
1293                 "name": "args",
1294                 "help": "Module arguments - comma-separated list of name=value pairs",
1295                 "type": Attribute.STRING,
1296                 "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1297                 "validation_function": validation.is_string
1298             }),
1299     "routing_algorithm": dict({
1300             "name": "algorithm",
1301             "help": "Routing algorithm.",
1302             "value": "dvmrp",
1303             "type": Attribute.ENUM,
1304             "allowed": ["dvmrp"],
1305             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1306             "validation_function": validation.is_enum,
1307         }),
1308     })
1309
1310 traces = dict({
1311     "stdout": dict({
1312                 "name": "stdout",
1313                 "help": "Standard output stream"
1314               }),
1315     "stderr": dict({
1316                 "name": "stderr",
1317                 "help": "Application standard error",
1318               }),
1319     "buildlog": dict({
1320                 "name": "buildlog",
1321                 "help": "Output of the build process",
1322               }),
1323
1324     "netpipe_stats": dict({
1325                 "name": "netpipeStats",
1326                 "help": "Information about rule match counters, packets dropped, etc.",
1327               }),
1328
1329     "packets": dict({
1330                 "name": "packets",
1331                 "help": "Detailled log of all packets going through the interface",
1332               }),
1333     "pcap": dict({
1334                 "name": "pcap",
1335                 "help": "PCAP trace of all packets going through the interface",
1336               }),
1337     "output": dict({
1338                 "name": "output",
1339                 "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]#}' ",
1340               }),
1341     "dropped_stats": dict({
1342                 "name": "dropped_stats",
1343                 "help": "Information on dropped packets on a filer or queue associated to a network interface",
1344             }),
1345     })
1346
1347 create_order = [
1348     INTERNET, NODE, NODEIFACE, CLASSQUEUEFILTER, TOSQUEUEFILTER,
1349     MULTICASTANNOUNCER, MULTICASTFORWARDER, MULTICASTROUTER,
1350     TUNFILTER, TAPIFACE, TUNIFACE, NETPIPE,
1351     NEPIDEPENDENCY, NS3DEPENDENCY, DEPENDENCY, CCNXDAEMON, APPLICATION ]
1352
1353 configure_order = [
1354     INTERNET, Parallel(NODE),
1355     NODEIFACE,
1356     Parallel(MULTICASTANNOUNCER), Parallel(MULTICASTFORWARDER), Parallel(MULTICASTROUTER),
1357     Parallel(TAPIFACE), Parallel(TUNIFACE), NETPIPE,
1358     Parallel(NEPIDEPENDENCY), Parallel(NS3DEPENDENCY), Parallel(DEPENDENCY), Parallel(CCNXDAEMON),
1359     Parallel(APPLICATION)]
1360
1361 # Start (and prestart) node after ifaces, because the node needs the ifaces in order to set up routes
1362 start_order = [ INTERNET,
1363     NODEIFACE,
1364     Parallel(TAPIFACE), Parallel(TUNIFACE),
1365     Parallel(NODE), NETPIPE,
1366     Parallel(MULTICASTANNOUNCER), Parallel(MULTICASTFORWARDER), Parallel(MULTICASTROUTER),
1367     Parallel(NEPIDEPENDENCY), Parallel(NS3DEPENDENCY), Parallel(DEPENDENCY), Parallel(CCNXDAEMON),
1368     Parallel(APPLICATION)]
1369
1370 # cleanup order
1371 shutdown_order = [
1372     Parallel(APPLICATION),
1373     Parallel (CCNXDAEMON),
1374     Parallel(MULTICASTROUTER), Parallel(MULTICASTFORWARDER), Parallel(MULTICASTANNOUNCER),
1375     Parallel(TAPIFACE), Parallel(TUNIFACE), Parallel(NETPIPE),
1376     Parallel(NEPIDEPENDENCY), Parallel(NS3DEPENDENCY), Parallel(DEPENDENCY),
1377     NODEIFACE, Parallel(NODE) ]
1378
1379 factories_info = dict({
1380     NODE: dict({
1381             "help": "Virtualized Node (V-Server style)",
1382             "category": FC.CATEGORY_NODES,
1383             "create_function": create_node,
1384             "preconfigure_function": configure_node,
1385             "prestart_function": configure_node_routes,
1386             "box_attributes": [
1387                 "forward_X11",
1388                 "hostname",
1389                 "architecture",
1390                 "operating_system",
1391                 "site",
1392                 "min_reliability",
1393                 "max_reliability",
1394                 "min_bandwidth",
1395                 "max_bandwidth",
1396                 "min_load",
1397                 "max_load",
1398                 "min_cpu",
1399                 "max_cpu",
1400
1401                 # NEPI-in-NEPI attributes
1402                 ATTR_NEPI_TESTBED_ENVIRONMENT_SETUP,
1403             ],
1404             "connector_types": ["devs", "apps", "pipes", "deps"],
1405             "tags": [tags.NODE, tags.ALLOW_ROUTES],
1406        }),
1407     NODEIFACE: dict({
1408             "help": "External network interface - they cannot be brought up or down, and they MUST be connected to the internet.",
1409             "category": FC.CATEGORY_DEVICES,
1410             "create_function": create_nodeiface,
1411             "preconfigure_function": configure_nodeiface,
1412             "box_attributes": [ ],
1413             "connector_types": ["node", "inet"],
1414             "tags": [tags.INTERFACE, tags.HAS_ADDRESSES],
1415         }),
1416     TUNIFACE: dict({
1417             "help": "Virtual TUN network interface (layer 3)",
1418             "category": FC.CATEGORY_DEVICES,
1419             "create_function": create_tuniface,
1420             "preconfigure_function": preconfigure_tuniface,
1421             "configure_function": postconfigure_tuniface,
1422             "prestart_function": prestart_tuniface,
1423             "box_attributes": [
1424                 "up", "if_name", "mtu", "snat", "pointopoint", "multicast", "bwlimit",
1425                 "txqueuelen",
1426                 "tun_proto", "tun_addr", "tun_port", "tun_key", "tun_cipher",
1427             ],
1428             "traces": ["packets", "pcap"],
1429             "connector_types": ["node","udp","tcp","fd->","gre"],
1430             "tags": [tags.INTERFACE, tags.ALLOW_ADDRESSES],
1431         }),
1432     TAPIFACE: dict({
1433             "help": "Virtual TAP network interface (layer 2)",
1434             "category": FC.CATEGORY_DEVICES,
1435             "create_function": create_tapiface,
1436             "preconfigure_function": preconfigure_tuniface,
1437             "configure_function": postconfigure_tuniface,
1438             "prestart_function": prestart_tuniface,
1439             "box_attributes": [
1440                 "up", "if_name", "mtu", "snat", "pointopoint", "multicast", "bwlimit",
1441                 "txqueuelen",
1442                 "tun_proto", "tun_addr", "tun_port", "tun_key", "tun_cipher",
1443             ],
1444             "traces": ["packets", "pcap"],
1445             "connector_types": ["node","udp","tcp","fd->","gre"],
1446             "tags": [tags.INTERFACE, tags.ALLOW_ADDRESSES],
1447         }),
1448     TUNFILTER: dict({
1449             "help": "TUN/TAP stream filter\n\n"
1450                     "If specified, it should be either a .py or .so module. "
1451                     "It will be loaded, and all incoming and outgoing packets "
1452                     "will be routed through it. The filter will not be responsible "
1453                     "for buffering, packet queueing is performed in tun_connect "
1454                     "already, so it should not concern itself with it. It should "
1455                     "not, however, block in one direction if the other is congested.\n"
1456                     "\n"
1457                     "Modules are expected to have the following methods:\n"
1458                     "\tinit(**args)\n"
1459                     "\t\tIf arguments are given, this method will be called with the\n"
1460                     "\t\tgiven arguments (as keyword args in python modules, or a single\n"
1461                     "\taccept_packet(packet, direction):\n"
1462                     "\t\tDecide whether to drop the packet. Direction is 0 for packets "
1463                         "coming from the local side to the remote, and 1 is for packets "
1464                         "coming from the remote side to the local. Return a boolean, "
1465                         "true if the packet is not to be dropped.\n"
1466                     "\tfilter_init():\n"
1467                     "\t\tInitializes a filtering pipe (filter_run). It should "
1468                         "return two file descriptors to use as a bidirectional "
1469                         "pipe: local and remote. 'local' is where packets from the "
1470                         "local side will be written to. After filtering, those packets "
1471                         "should be written to 'remote', where tun_connect will read "
1472                         "from, and it will forward them to the remote peer. "
1473                         "Packets from the remote peer will be written to 'remote', "
1474                         "where the filter is expected to read from, and eventually "
1475                         "forward them to the local side. If the file descriptors are "
1476                         "not nonblocking, they will be set to nonblocking. So it's "
1477                         "better to set them from the start like that.\n"
1478                     "\tfilter_run(local, remote):\n"
1479                     "\t\tIf filter_init is provided, it will be called repeatedly, "
1480                         "in a separate thread until the process is killed. It should "
1481                         "sleep at most for a second.\n"
1482                     "\tfilter_close(local, remote):\n"
1483                     "\t\tCalled then the process is killed, if filter_init was provided. "
1484                         "It should, among other things, close the file descriptors.\n"
1485                     "\n"
1486                     "Python modules are expected to return a tuple in filter_init, "
1487                     "either of file descriptors or file objects, while native ones "
1488                     "will receive two int*.\n"
1489                     "\n"
1490                     "Python modules can additionally contain a custom queue class "
1491                     "that will replace the FIFO used by default. The class should "
1492                     "be named 'queueclass' and contain an interface compatible with "
1493                     "collections.deque. That is, indexing (especiall for q[0]), "
1494                     "bool(q), popleft, appendleft, pop (right), append (right), "
1495                     "len(q) and clear.",
1496             "category": FC.CATEGORY_CHANNELS,
1497             "create_function": create_tunfilter,
1498             "box_attributes": [
1499                 "module", "args",
1500                 "tun_proto", "tun_addr", "tun_port", "tun_key", "tun_cipher",
1501             ],
1502             "connector_types": ["->fd","udp","tcp"],
1503         }),
1504     CLASSQUEUEFILTER : dict({
1505             "help": "TUN classfull queue, uses a separate queue for each user-definable class.\n\n"
1506                     "It takes two arguments, both of which have sensible defaults:\n"
1507                     "\tsize: the base size of each class' queue\n"
1508                     "\tclasses: the class definitions, which follow the following syntax:\n"
1509                     '\t   <CLASSLIST> ::= <CLASS> ":" CLASSLIST\n'
1510                     '\t                |  <CLASS>\n'
1511                     '\t   <CLASS>     ::= <PROTOLIST> "*" <PRIORITYSPEC>\n'
1512                     '\t                |  <DFLTCLASS>\n'
1513                     '\t   <DFLTCLASS> ::= "*" <PRIORITYSPEC>\n'
1514                     '\t   <PROTOLIST> ::= <PROTO> "." <PROTOLIST>\n'
1515                     '\t                |  <PROTO>\n'
1516                     '\t   <PROTO>     ::= <NAME> | <NUMBER>\n'
1517                     '\t   <NAME>      ::= --see http://en.wikipedia.org/wiki/List_of_IP_protocol_numbers --\n'
1518                     '\t                   --only in lowercase, with special characters removed--\n'
1519                     '\t                   --or see below--\n'
1520                     '\t   <NUMBER>    ::= [0-9]+\n'
1521                     '\t   <PRIORITYSPEC> ::= <THOUGHPUT> [ "#" <SIZE> ] [ "p" <PRIORITY> ]\n'
1522                     '\t   <THOUGHPUT> ::= NUMBER -- default 1\n'
1523                     '\t   <PRIORITY>  ::= NUMBER -- default 0\n'
1524                     '\t   <SIZE>      ::= NUMBER -- default 1\n'
1525                     "\n"
1526                     "Size, thoughput and priority are all relative terms. "
1527                     "Sizes are multipliers for the size argument, thoughput "
1528                     "is applied relative to other classes and the same with "
1529                     "priority.",
1530             "category": FC.CATEGORY_CHANNELS,
1531             "create_function": create_classqueuefilter,
1532             "box_attributes": [
1533                 "args",
1534                 "tun_proto", "tun_addr", "tun_port", "tun_key", "tun_cipher",
1535             ],
1536             "connector_types": ["->fd","udp","tcp"],
1537             "traces": ["dropped_stats"],
1538         }),
1539     TOSQUEUEFILTER : dict({
1540             "help": "TUN classfull queue that classifies according to the TOS (RFC 791) IP field.\n\n"
1541                     "It takes a size argument that specifies the size of each class. As TOS is a "
1542                     "subset of DiffServ, this queue half-implements DiffServ.",
1543             "category": FC.CATEGORY_CHANNELS,
1544             "create_function": create_tosqueuefilter,
1545             "box_attributes": [
1546                 "args",
1547                 "tun_proto", "tun_addr", "tun_port", "tun_key", "tun_cipher",
1548             ],
1549             "connector_types": ["->fd","udp","tcp"],
1550         }),
1551
1552     APPLICATION: dict({
1553             "help": "Generic executable command line application",
1554             "category": FC.CATEGORY_APPLICATIONS,
1555             "create_function": create_application,
1556             "start_function": start_application,
1557             "status_function": status_application,
1558             "stop_function": stop_application,
1559             "configure_function": configure_application,
1560             "box_attributes": ["command", "sudo", "stdin",
1561                                "depends", "build-depends", "build", "install",
1562                                "sources", "rpm-fusion" ],
1563             "connector_types": ["node"],
1564             "traces": ["stdout", "stderr", "buildlog", "output"],
1565             "tags": [tags.APPLICATION],
1566         }),
1567
1568     CCNXDAEMON: dict({
1569             "help": "CCNx daemon",
1570             "category": FC.CATEGORY_APPLICATIONS,
1571             "create_function": create_ccnxdaemon,
1572             "prestart_function": prestart_ccnxdaemon,
1573             "status_function": status_application,
1574             "stop_function": stop_application,
1575             "configure_function": configure_application,
1576             "box_attributes": ["ccnroutes", "ccnsources", "build", "install"],
1577             "connector_types": ["node"],
1578             "traces": ["stdout", "stderr", "buildlog", "output"],
1579             "tags": [tags.APPLICATION],
1580         }),
1581     DEPENDENCY: dict({
1582             "help": "Requirement for package or application to be installed on some node",
1583             "category": FC.CATEGORY_APPLICATIONS,
1584             "create_function": create_dependency,
1585             "preconfigure_function": configure_dependency,
1586             "box_attributes": ["depends", "build-depends", "build", "install",
1587                                "sources", "rpm-fusion" ],
1588             "connector_types": ["node"],
1589             "traces": ["buildlog"],
1590         }),
1591     NEPIDEPENDENCY: dict({
1592             "help": "Requirement for NEPI inside NEPI - required to run testbed instances inside a node",
1593             "category": FC.CATEGORY_APPLICATIONS,
1594             "create_function": create_nepi_dependency,
1595             "preconfigure_function": configure_dependency,
1596             "box_attributes": [],
1597             "connector_types": ["node"],
1598             "traces": ["buildlog"],
1599         }),
1600     NS3DEPENDENCY: dict({
1601             "help": "Requirement for NS3 inside NEPI - required to run NS3 testbed instances inside a node. It also needs NepiDependency.",
1602             "category": FC.CATEGORY_APPLICATIONS,
1603             "create_function": create_ns3_dependency,
1604             "preconfigure_function": configure_dependency,
1605             "box_attributes": [ ],
1606             "connector_types": ["node"],
1607             "traces": ["buildlog"],
1608         }),
1609     MULTICASTFORWARDER: dict({
1610             "help": "This application installs a userspace packet forwarder "
1611                     "that, when connected to a node, filters all packets "
1612                     "flowing through multicast-capable virtual interfaces "
1613                     "and applies custom-specified routing policies.",
1614             "category": FC.CATEGORY_APPLICATIONS,
1615             "create_function": create_multicast_forwarder,
1616             "preconfigure_function": configure_forwarder,
1617             "start_function": start_application,
1618             "status_function": status_application,
1619             "stop_function": stop_application,
1620             "box_attributes": [ ],
1621             "connector_types": ["node","router"],
1622             "traces": ["buildlog","stderr"],
1623         }),
1624     MULTICASTANNOUNCER: dict({
1625             "help": "This application installs a userspace daemon that "
1626                     "monitors multicast membership and announces it on all "
1627                     "multicast-capable interfaces.\n"
1628                     "This does not usually happen automatically on PlanetLab slivers.",
1629             "category": FC.CATEGORY_APPLICATIONS,
1630             "create_function": create_multicast_announcer,
1631             "preconfigure_function": configure_announcer,
1632             "start_function": start_application,
1633             "status_function": status_application,
1634             "stop_function": stop_application,
1635             "box_attributes": [ ],
1636             "connector_types": ["node"],
1637             "traces": ["buildlog","stderr"],
1638         }),
1639     MULTICASTROUTER: dict({
1640             "help": "This application installs a userspace daemon that "
1641                     "monitors multicast membership and announces it on all "
1642                     "multicast-capable interfaces.\n"
1643                     "This does not usually happen automatically on PlanetLab slivers.",
1644             "category": FC.CATEGORY_APPLICATIONS,
1645             "create_function": create_multicast_router,
1646             "preconfigure_function": configure_router,
1647             "start_function": start_application,
1648             "status_function": status_application,
1649             "stop_function": stop_application,
1650             "box_attributes": ["routing_algorithm"],
1651             "connector_types": ["fwd"],
1652             "traces": ["buildlog","stdout","stderr"],
1653         }),
1654     INTERNET: dict({
1655             "help": "Internet routing",
1656             "category": FC.CATEGORY_CHANNELS,
1657             "create_function": create_internet,
1658             "connector_types": ["devs"],
1659             "tags": [tags.INTERNET],
1660         }),
1661     NETPIPE: dict({
1662             "help": "Link emulation",
1663             "category": FC.CATEGORY_CHANNELS,
1664             "create_function": create_netpipe,
1665             "configure_function": configure_netpipe,
1666             "box_attributes": ["netpipe_mode",
1667                                "addr_list", "port_list",
1668                                "bw_in","plr_in","delay_in",
1669                                "bw_out","plr_out","delay_out"],
1670             "connector_types": ["node"],
1671             "traces": ["netpipe_stats"],
1672         }),
1673 })
1674
1675 testbed_attributes = dict({
1676         "slice_hrn": dict({
1677             "name": "sliceHrn",
1678             "help": "The hierarchical Resource Name (HRN) for the PlanetLab slice.",
1679             "type": Attribute.STRING,
1680             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable | Attribute.NoDefaultValue,
1681             "validation_function": validation.is_string
1682         }),
1683         "sfa": dict({
1684             "name": "sfa",
1685             "help": "Activates the use of SFA for node reservation.",
1686             "type": Attribute.BOOL,
1687             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable | Attribute.NoDefaultValue,
1688             "validation_function": validation.is_bool
1689         }),
1690         "slice": dict({
1691             "name": "slice",
1692             "help": "The name of the PlanetLab slice to use",
1693             "type": Attribute.STRING,
1694             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable | Attribute.NoDefaultValue,
1695             "validation_function": validation.is_string
1696         }),
1697         "auth_user": dict({
1698             "name": "authUser",
1699             "help": "The name of the PlanetLab user to use for API calls - it must have at least a User role.",
1700             "type": Attribute.STRING,
1701             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable | Attribute.NoDefaultValue,
1702             "validation_function": validation.is_string
1703         }),
1704         "auth_pass": dict({
1705             "name": "authPass",
1706             "help": "The PlanetLab user's password.",
1707             "type": Attribute.STRING,
1708             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable | Attribute.NoDefaultValue,
1709             "validation_function": validation.is_string
1710         }),
1711         "plc_host": dict({
1712             "name": "plcHost",
1713             "help": "The PlanetLab PLC API host",
1714             "type": Attribute.STRING,
1715             "value": "www.planet-lab.eu",
1716             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1717             "validation_function": validation.is_string
1718         }),
1719         "plc_url": dict({
1720             "name": "plcUrl",
1721             "help": "The PlanetLab PLC API url pattern - %(hostname)s is replaced by plcHost.",
1722             "type": Attribute.STRING,
1723             "value": "https://%(hostname)s:443/PLCAPI/",
1724             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1725             "validation_function": validation.is_string
1726         }),
1727         "p2p_deployment": dict({
1728             "name": "p2pDeployment",
1729             "help": "Enable peer-to-peer deployment of applications and dependencies. "
1730                     "When enabled, dependency packages and applications are "
1731                     "deployed in a P2P fashion, picking a single node to do "
1732                     "the building or repo download, while all the others "
1733                     "cooperatively exchange resulting binaries or rpms. "
1734                     "When deploying to many nodes, this is a far more efficient "
1735                     "use of resources. It does require re-encrypting and distributing "
1736                     "the slice's private key. Though it is implemented in a secure "
1737                     "fashion, if they key's sole purpose is not PlanetLab, then this "
1738                     "feature should be disabled.",
1739             "type": Attribute.BOOL,
1740             "value": True,
1741             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1742             "validation_function": validation.is_bool
1743         }),
1744         "slice_ssh_key": dict({
1745             "name": "sliceSSHKey",
1746             "help": "The controller-local path to the slice user's ssh private key. "
1747                     "It is the user's responsability to deploy this file where the controller "
1748                     "will run, it won't be done automatically because it's sensitive information. "
1749                     "It is recommended that a NEPI-specific user be created for this purpose and "
1750                     "this purpose alone.",
1751             "type": Attribute.STRING,
1752             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable | Attribute.NoDefaultValue,
1753             "validation_function": validation.is_string
1754         }),
1755         "pl_log_level": dict({
1756             "name": "plLogLevel",
1757             "help": "Verbosity of logging of planetlab events.",
1758             "value": "ERROR",
1759             "type": Attribute.ENUM,
1760             "allowed": ["DEBUG",
1761                         "INFO",
1762                         "WARNING",
1763                         "ERROR",
1764                         "CRITICAL"],
1765             "validation_function": validation.is_enum,
1766         }),
1767         "tap_port_base":  dict({
1768             "name": "tapPortBase",
1769             "help": "Base port to use when connecting TUN/TAPs. Effective port will be BASE + GUID.",
1770             "type": Attribute.INTEGER,
1771             "value": 15000,
1772             "range": (2000,30000),
1773             "validation_function": validation.is_integer_range(2000,30000)
1774         }),
1775         "dedicated_slice": dict({
1776             "name": "dedicatedSlice",
1777             "help": "Set to True if the slice will be dedicated to this experiment. "
1778                     "NEPI will perform node and slice cleanup, making sure slices are "
1779                     "in a clean, repeatable state before running the experiment.",
1780             "type": Attribute.BOOL,
1781             "value": False,
1782             "flags": Attribute.ExecReadOnly | Attribute.ExecImmutable,
1783             "validation_function": validation.is_bool
1784         }),
1785     })
1786
1787 supported_recovery_policies = [
1788         DC.POLICY_FAIL,
1789         DC.POLICY_RESTART,
1790         DC.POLICY_RECOVER,
1791     ]
1792
1793 class MetadataInfo(metadata.MetadataInfo):
1794     @property
1795     def connector_types(self):
1796         return connector_types
1797
1798     @property
1799     def connections(self):
1800         return connections
1801
1802     @property
1803     def attributes(self):
1804         return attributes
1805
1806     @property
1807     def traces(self):
1808         return traces
1809
1810     @property
1811     def create_order(self):
1812         return create_order
1813
1814     @property
1815     def configure_order(self):
1816         return configure_order
1817
1818     @property
1819     def prestart_order(self):
1820         return start_order
1821
1822     @property
1823     def start_order(self):
1824         return start_order
1825
1826     @property
1827     def factories_info(self):
1828         return factories_info
1829
1830     @property
1831     def testbed_attributes(self):
1832         return testbed_attributes
1833
1834     @property
1835     def testbed_id(self):
1836         return TESTBED_ID
1837
1838     @property
1839     def testbed_version(self):
1840         return TESTBED_VERSION
1841
1842     @property
1843     def supported_recovery_policies(self):
1844         return supported_recovery_policies
1845
1846