def setupBackend(backend_cfg, network_name, nrm_ports, parent_requester):
bc = backend_cfg.copy()
backend_type = backend_cfg.pop('_backend_type')
if backend_type == config.BLOCK_DUD:
from opennsa.backends import dud
BackendConstructer = dud.DUDNSIBackend
# These are not yet ported for the new backend
# elif backend_type == config.BLOCK_JUNOS:
# from opennsa.backends import junos
# return junos.JunOSBackend(network_name, parent_requester, port_map, bc.items())
elif backend_type == config.BLOCK_FORCE10:
from opennsa.backends import force10
BackendConstructer = force10.Force10Backend
# elif backend_type == config.BLOCK_ARGIA:
# from opennsa.backends import argia
# return argia.ArgiaBackend(network_name, bc.items())
elif backend_type == config.BLOCK_JUNIPER_EX:
from opennsa.backends import juniperex
BackendConstructer = juniperex.JuniperEXBackend
elif backend_type == config.BLOCK_BROCADE:
from opennsa.backends import brocade
BackendConstructer = brocade.BrocadeBackend
# elif backend_type == config.BLOCK_DELL:
# from opennsa.backends import dell
# return dell.DellBackend(network_name, bc.items())
elif backend_type == config.BLOCK_NCSVPN:
from opennsa.backends import ncsvpn
BackendConstructer = ncsvpn.NCSVPNBackend
else:
raise config.ConfigurationError('No backend specified')
b = BackendConstructer(network_name, nrm_ports, parent_requester, bc)
return b
def setupTLSContext(vc):
# ssl/tls contxt
if vc[config.TLS]:
from opennsa.opennsaTlsContext import opennsa2WayTlsContext
ctx_factory = opennsa2WayTlsContext(vc[config.KEY],
vc[config.CERTIFICATE],
vc[config.CERTIFICATE_DIR],
vc[config.VERIFY_CERT])
elif vc[config.CERTIFICATE_DIR]:
# create a context so we can verify https urls
if not os.path.isdir(vc[config.CERTIFICATE_DIR]):
raise config.ConfigurationError(
'certdir value {} is not a directory'.format(
vc[config.CERTIFICATE_DIR]))
from opennsa.opennsaTlsContext import opennsaTlsContext
ctx_factory = opennsaTlsContext(vc[config.CERTIFICATE_DIR],
vc[config.VERIFY_CERT])
else:
ctx_factory = None
return ctx_factory
def setupBackend(backend_cfg, network_name, nrm_ports, parent_requester):
bc = backend_cfg.copy()
backend_type = backend_cfg.pop('_backend_type')
if backend_type == config.BLOCK_DUD:
from opennsa.backends import dud
BackendConstructer = dud.DUDNSIBackend
elif backend_type == config.BLOCK_JUNOSMX:
from opennsa.backends import junosmx
BackendConstructer = junosmx.JUNOSMXBackend
elif backend_type == config.BLOCK_FORCE10:
from opennsa.backends import force10
BackendConstructer = force10.Force10Backend
elif backend_type == config.BLOCK_JUNIPER_EX:
from opennsa.backends import juniperex
BackendConstructer = juniperex.JuniperEXBackend
elif backend_type == config.BLOCK_JUNIPER_VPLS:
from opennsa.backends import junipervpls
BackendConstructer = junipervpls.JuniperVPLSBackend
elif backend_type == config.BLOCK_BROCADE:
from opennsa.backends import brocade
BackendConstructer = brocade.BrocadeBackend
elif backend_type == config.BLOCK_NCSVPN:
from opennsa.backends import ncsvpn
BackendConstructer = ncsvpn.NCSVPNBackend
elif backend_type == config.BLOCK_PICA8OVS:
from opennsa.backends import pica8ovs
BackendConstructer = pica8ovs.Pica8OVSBackend
elif backend_type == config.BLOCK_JUNOSSPACE:
from opennsa.backends import junosspace
BackendConstructer = junosspace.JUNOSSPACEBackend
elif backend_type == config.BLOCK_JUNOSEX:
from opennsa.backends import junosex
BackendConstructer = junosex.JunosEXBackend
elif backend_type == config.BLOCK_OESS:
from opennsa.backends import oess
BackendConstructer = oess.OESSBackend
elif backend_type == config.BLOCK_CUSTOM_BACKEND:
module_name = backend_cfg.pop('module')
try:
module = importlib.import_module(module_name)
BackendConstructer = module.Backend
except Exception as e:
log.msg('Failed to load backend {}:\n{}'.format(module_name, e))
raise config.ConfigurationError('Failed to load backend')
else:
raise config.ConfigurationError('No backend specified')
b = BackendConstructer(network_name, nrm_ports, parent_requester, bc)
return b
def setupServiceFactory(self):
"""
This sets up the OpenNSA service and ties together everything in the initialization.
There are a lot of things going on, but none of it it particular deep.
"""
log.msg('OpenNSA service initializing')
vc = self.vc
now = datetime.datetime.utcnow().replace(microsecond=0)
if vc[config.HOST] is None:
# guess name if not configured
import socket
vc[config.HOST] = socket.getfqdn()
# database
database.setupDatabase(vc[config.DATABASE], vc[config.DATABASE_USER],
vc[config.DATABASE_PASSWORD],
vc[config.DATABASE_HOST],
vc[config.SERVICE_ID_START])
service_endpoints = []
# base names
domain_name = vc[config.DOMAIN] # FIXME rename variable to domain
nsa_name = domain_name + ':nsa'
# base url
base_protocol = 'https://' if vc[config.TLS] else 'http://'
base_url = base_protocol + vc[config.HOST] + ':' + str(vc[config.PORT])
# nsi endpoint and agent
provider_endpoint = base_url + '/NSI/services/CS2' # hardcode for now
service_endpoints.append(('Provider', provider_endpoint))
ns_agent = nsa.NetworkServiceAgent(nsa_name, provider_endpoint,
'local')
# ssl/tls context
ctx_factory = setupTLSContext(vc) # May be None
# plugin
if vc[config.PLUGIN]:
from twisted.python import reflect
plugin = reflect.namedAny('opennsa.plugins.%s.plugin' %
vc[config.PLUGIN])
else:
from opennsa.plugin import BasePlugin
plugin = BasePlugin()
plugin.init(vc, ctx_factory)
# the dance to setup dynamic providers right
top_resource = resource.Resource()
requester_creator = CS2RequesterCreator(
top_resource, None, vc[config.HOST], vc[config.PORT],
vc[config.TLS], ctx_factory) # set aggregator later
provider_registry = provreg.ProviderRegistry(
{cnt.CS2_SERVICE_TYPE: requester_creator.create})
link_vector = linkvector.LinkVector()
networks = {}
ports = {} # { network : { port : nrmport } }
parent_requester = None # parent requester is set later
aggr = aggregator.Aggregator(ns_agent, ports, link_vector,
parent_requester, provider_registry,
vc[config.POLICY], plugin)
requester_creator.aggregator = aggr
pc = nsi2.setupProvider(aggr,
top_resource,
ctx_factory=ctx_factory,
allowed_hosts=vc.get(config.ALLOWED_HOSTS))
aggr.parent_requester = pc
# setup backend(s) - for now we only support one
backend_configs = vc['backend']
if len(backend_configs) == 0:
log.msg('No backend specified. Running in aggregator-only mode')
if not cnt.AGGREGATOR in vc[config.POLICY]:
vc[config.POLICY].append(cnt.AGGREGATOR)
else: # at least one backend
# This is all temporary right now... clean up later
for backend_name, b_cfg in backend_configs.items():
if backend_name is None or backend_name == '':
raise config.ConfigurationError(
'You need to specify backend name, use [backend:name]')
backend_network_name = '{}:{}'.format(domain_name,
backend_name)
if not config.NRM_MAP_FILE in b_cfg: # move to verify config
raise config.ConfigurationError(
'No nrm map specified for backend')
backend_nrm_map_file = b_cfg[config.NRM_MAP_FILE]
if not os.path.exists(
backend_nrm_map_file): # move to verify config
raise config.ConfigError(
'nrm map file {} for backend {} does not exists'.
format(backend_nrm_map_file, backend_name))
nrm_map = open(backend_nrm_map_file)
backend_nrm_ports = nrm.parsePortSpec(nrm_map)
link_vector.addLocalNetwork(backend_network_name)
for np in backend_nrm_ports:
if np.remote_network is not None:
link_vector.updateVector(
backend_network_name, np.name,
{np.remote_network: 1}) # hack
for network, cost in np.vectors.items():
link_vector.updateVector(np.name, {network: cost})
# build port map for aggreator to lookup
ports.setdefault(backend_network_name, {})[np.name] = np
backend_service = setupBackend(b_cfg, backend_network_name,
backend_nrm_ports, aggr)
networks[backend_network_name] = {
'backend': backend_service,
'nrm_ports': backend_nrm_ports
}
provider_registry.addProvider(ns_agent.urn(),
backend_network_name,
backend_service)
# fetcher
if vc[config.PEERS]:
fetcher_service = fetcher.FetcherService(link_vector,
networks,
vc[config.PEERS],
provider_registry,
ctx_factory=ctx_factory)
fetcher_service.setServiceParent(self)
else:
log.msg(
'No peers configured, will not be able to do outbound requests (UPA mode)'
)
# discovery service
opennsa_version = 'OpenNSA-' + version
network_urns = [
'{}{}'.format(cnt.URN_OGF_PREFIX, network_name)
for network_name in networks
]
interfaces = [(cnt.CS2_PROVIDER, provider_endpoint, None),
(cnt.CS2_SERVICE_TYPE, provider_endpoint, None)]
features = []
if networks:
features.append((cnt.FEATURE_UPA, None))
if vc[config.PEERS]:
features.append((cnt.FEATURE_AGGREGATOR, None))
# view resource
vr = viewresource.ConnectionListResource()
top_resource.children[NSI_RESOURCE].putChild('connections', vr)
# rest service
if vc[config.REST]:
rest_url = base_url + '/connections'
rest.setupService(aggr, top_resource, vc.get(config.ALLOWED_HOSTS))
service_endpoints.append(('REST', rest_url))
interfaces.append((cnt.OPENNSA_REST, rest_url, None))
for backend_network_name, no in networks.items():
nml_resource_name = '{}.nml.xml'.format(backend_network_name)
nml_url = '%s/NSI/%s' % (base_url, nml_resource_name)
nml_network = nml.createNMLNetwork(no['nrm_ports'],
backend_network_name,
backend_network_name)
can_swap_label = no['backend'].connection_manager.canSwapLabel(
cnt.ETHERNET_VLAN)
nml_service = nmlservice.NMLService(nml_network, can_swap_label)
top_resource.children[NSI_RESOURCE].putChild(
nml_resource_name.encode(), nml_service.resource())
service_endpoints.append(('NML Topology', nml_url))
interfaces.append((cnt.NML_SERVICE_TYPE, nml_url, None))
# discovery service
discovery_resource_name = b'discovery.xml'
discovery_url = '%s/NSI/%s' % (base_url,
discovery_resource_name.decode())
ds = discoveryservice.DiscoveryService(ns_agent.urn(), now,
domain_name, opennsa_version,
now, network_urns, interfaces,
features, provider_registry,
link_vector)
discovery_resource = ds.resource()
top_resource.children[NSI_RESOURCE].putChild(discovery_resource_name,
discovery_resource)
link_vector.callOnUpdate(
lambda: discovery_resource.updateResource(ds.xml()))
service_endpoints.append(('Discovery', discovery_url))
# log service urls
for service_name, url in service_endpoints:
log.msg('{:<12} URL: {}'.format(service_name, url))
factory = server.Site(top_resource)
factory.log = httplog.logRequest # default logging is weird, so we do our own
return factory, ctx_factory
def startService(self):
"""
This sets up the OpenNSA service and ties together everything in the initialization.
There are a lot of things going on, but none of it it particular deep.
"""
log.msg('OpenNSA service initializing')
vc = self.vc
now = datetime.datetime.utcnow().replace(microsecond=0)
if vc[config.HOST] is None:
# guess name if not configured
import socket
vc[config.HOST] = socket.getfqdn()
# database
database.setupDatabase(vc[config.DATABASE], vc[config.DATABASE_USER],
vc[config.DATABASE_PASSWORD],
vc[config.DATABASE_HOST],
vc[config.SERVICE_ID_START])
service_endpoints = []
# base names
base_name = vc[config.NETWORK_NAME]
network_name = base_name + ':topology' # because we say so
nsa_name = base_name + ':nsa'
# base url
base_protocol = 'https://' if vc[config.TLS] else 'http://'
base_url = base_protocol + vc[config.HOST] + ':' + str(vc[config.PORT])
# nsi endpoint and agent
provider_endpoint = base_url + '/NSI/services/CS2' # hardcode for now
service_endpoints.append(('Provider', provider_endpoint))
ns_agent = nsa.NetworkServiceAgent(nsa_name, provider_endpoint,
'local')
# topology
nrm_map = open(vc[config.NRM_MAP_FILE]) if vc[
config.NRM_MAP_FILE] is not None else None
nrm_ports, nml_network, link_vector = setupTopology(
nrm_map, network_name, base_name)
# ssl/tls context
ctx_factory = setupTLSContext(vc) # May be None
# plugin
if vc[config.PLUGIN]:
from twisted.python import reflect
plugin = reflect.namedAny('opennsa.plugins.%s.plugin' %
vc[config.PLUGIN])
else:
from opennsa.plugin import BasePlugin
plugin = BasePlugin()
plugin.init(vc, ctx_factory)
# the dance to setup dynamic providers right
top_resource = resource.Resource()
requester_creator = CS2RequesterCreator(
top_resource, None, vc[config.HOST], vc[config.PORT],
vc[config.TLS], ctx_factory) # set aggregator later
provider_registry = provreg.ProviderRegistry(
{}, {cnt.CS2_SERVICE_TYPE: requester_creator.create})
aggr = aggregator.Aggregator(network_name, ns_agent, nml_network,
link_vector, None, provider_registry,
vc[config.POLICY],
plugin) # set parent requester later
requester_creator.aggregator = aggr
pc = nsi2.setupProvider(aggr,
top_resource,
ctx_factory=ctx_factory,
allowed_hosts=vc.get(config.ALLOWED_HOSTS))
aggr.parent_requester = pc
# setup backend(s) - for now we only support one
backend_configs = vc['backend']
if len(backend_configs) == 0:
log.msg('No backend specified. Running in aggregator-only mode')
if not cnt.AGGREGATOR in vc[config.POLICY]:
vc[config.POLICY].append(cnt.AGGREGATOR)
elif len(backend_configs) > 1:
raise config.ConfigurationError(
'Only one backend supported for now. Multiple will probably come later.'
)
else: # 1 backend
if not nrm_ports:
raise config.ConfigurationError(
'No NRM Map file specified. Cannot configure a backend without port spec.'
)
backend_cfg = backend_configs.values()[0]
backend_service = setupBackend(backend_cfg, network_name,
nrm_ports, aggr)
backend_service.setServiceParent(self)
can_swap_label = backend_service.connection_manager.canSwapLabel(
cnt.ETHERNET_VLAN)
provider_registry.addProvider(ns_agent.urn(), backend_service,
[network_name])
# fetcher
if vc[config.PEERS]:
fetcher_service = fetcher.FetcherService(link_vector,
nrm_ports,
vc[config.PEERS],
provider_registry,
ctx_factory=ctx_factory)
fetcher_service.setServiceParent(self)
else:
log.msg(
'No peers configured, will not be able to do outbound requests.'
)
# discovery service
name = base_name.split(':')[0] if ':' in base_name else base_name
opennsa_version = 'OpenNSA-' + version
networks = [cnt.URN_OGF_PREFIX +
network_name] if nml_network is not None else []
interfaces = [(cnt.CS2_PROVIDER, provider_endpoint, None),
(cnt.CS2_SERVICE_TYPE, provider_endpoint, None)]
features = []
if nrm_ports:
features.append((cnt.FEATURE_UPA, None))
if vc[config.PEERS]:
features.append((cnt.FEATURE_AGGREGATOR, None))
# view resource
vr = viewresource.ConnectionListResource()
top_resource.children['NSI'].putChild('connections', vr)
# rest service
if vc[config.REST]:
rest_url = base_url + '/connections'
rest.setupService(aggr, top_resource, vc.get(config.ALLOWED_HOSTS))
service_endpoints.append(('REST', rest_url))
interfaces.append((cnt.OPENNSA_REST, rest_url, None))
# nml topology
if nml_network is not None:
nml_resource_name = base_name + '.nml.xml'
nml_url = '%s/NSI/%s' % (base_url, nml_resource_name)
nml_service = nmlservice.NMLService(nml_network, can_swap_label)
top_resource.children['NSI'].putChild(nml_resource_name,
nml_service.resource())
service_endpoints.append(('NML Topology', nml_url))
interfaces.append((cnt.NML_SERVICE_TYPE, nml_url, None))
# discovery service
discovery_resource_name = 'discovery.xml'
discovery_url = '%s/NSI/%s' % (base_url, discovery_resource_name)
ds = discoveryservice.DiscoveryService(ns_agent.urn(), now, name,
opennsa_version, now, networks,
interfaces, features,
provider_registry, link_vector)
discovery_resource = ds.resource()
top_resource.children['NSI'].putChild(discovery_resource_name,
discovery_resource)
link_vector.callOnUpdate(
lambda: discovery_resource.updateResource(ds.xml()))
service_endpoints.append(('Discovery', discovery_url))
# print service urls
for service_name, url in service_endpoints:
log.msg('{:<12} URL: {}'.format(service_name, url))
factory = server.Site(top_resource)
factory.log = httplog.logRequest # default logging is weird, so we do our own
if vc[config.TLS]:
internet.SSLServer(vc[config.PORT], factory,
ctx_factory).setServiceParent(self)
else:
internet.TCPServer(vc[config.PORT], factory).setServiceParent(self)
# do not start sub-services until we have started this one
twistedservice.MultiService.startService(self)
log.msg('OpenNSA service started')
def parsePortSpec(source):
# Parse the entries like the following:
## type name remote label bandwidth interface authz
#
#ethernet ps - vlan:1780-1783 1000 em0 [email protected]
#ethernet netherlight netherlight#nordunet-(in|out) vlan:1780-1783 1000 em1 -
#ethernet uvalight uvalight#nordunet-(in|out) vlan:1780-1783 1000 em2 nsa=aruba.net:nsa
# Line starting with # and blank lines should be ignored
assert isinstance(source, file) or isinstance(
source,
StringIO.StringIO), 'Topology source must be file or StringIO instance'
nrm_ports = []
for line in source:
line = line.strip()
if not line or line.startswith('#'):
continue
tokens = [t for t in line.split(' ') if t != '']
if len(tokens) != 7:
raise NRMSpecificationError(
'Invalid number of entries for entry: %s' % line)
port_type, port_name, remote_spec, label_spec, bandwidth, interface, authz = tokens
if not port_type in PORT_TYPES:
raise error.TopologyError('Port type %s is not a valid port type' %
port_type)
remote_network, remote_port, in_suffix, out_suffix = _parseRemoteSpec(
remote_spec)
label = _parseLabelSpec(label_spec)
try:
bandwidth = int(bandwidth)
except ValueError as e:
raise NRMSpecificationError('Invalid bandwidth: %s' % str(e))
if port_type == cnt.NRM_ETHERNET:
if remote_network is None:
remote_port = None
remote_in = None
remote_out = None
else:
if not in_suffix or not out_suffix:
raise NRMSpecificationError(
'Suffix not defined for bidirectional port %s' %
port_name)
remote_port = remote_network + ':' + remote_port
remote_in = remote_port + in_suffix
remote_out = remote_port + out_suffix
else:
raise AssertionError('do not know what to with port of type %s' %
port_type)
# these are more than auth attributes, but thats what they where for initially
authz_attributes = []
link_vectors = {}
transit_restricted = False
if authz != '-':
for aa in authz.split(','):
if '=' in aa:
#authz_attributes.append( nsa.SecurityAttribute(*aa.split('=',2)) )
ak, av = aa.split('=', 2)
if ak in AUTH_ATTRIBUTES:
authz_attributes.append(nsa.SecurityAttribute(ak, av))
elif ak in PATH_ATTRIBUTES:
if not '@' in av:
raise config.ConfigurationError(
'Invalid path value: %s' % av)
network, weight = av.split('@', 1)
link_vectors[network] = int(weight)
else:
raise config.ConfigurationError(
'Invalid attribute: %s' % aa)
elif aa in ATTRIBUTES and aa == cnt.NRM_RESTRICTTRANSIT:
transit_restricted = True
else:
raise config.ConfigurationError('Invalid attribute: %s' %
aa)
nrm_ports.append(
NRMPort(port_type, port_name, remote_network, remote_port,
remote_in, remote_out, label, bandwidth, interface,
authz_attributes, link_vectors, transit_restricted))
return nrm_ports
def startService(self):
"""
This sets up the OpenNSA service and ties together everything in the initialization.
There are a lot of things going on, but none of it it particular deep.
"""
log.msg('OpenNSA service initializing')
vc = self.vc
now = datetime.datetime.utcnow().replace(microsecond=0)
if vc[config.HOST] is None:
# guess name if not configured
import socket
vc[config.HOST] = socket.getfqdn()
# database
database.setupDatabase(vc[config.DATABASE], vc[config.DATABASE_USER], vc[config.DATABASE_PASSWORD])
# base names
base_name = vc[config.NETWORK_NAME]
network_name = base_name + ':topology' # because we say so
nsa_name = base_name + ':nsa'
# url stuffs
base_protocol = 'https://' if vc[config.TLS] else 'http://'
base_url = base_protocol + vc[config.HOST] + ':' + str(vc[config.PORT])
# nsi agent
provider_endpoint = base_url + '/NSI/services/CS2' # hardcode for now
ns_agent = nsa.NetworkServiceAgent(nsa_name, provider_endpoint, 'local')
# topology
nrm_ports = nrm.parsePortSpec( open( vc[config.NRM_MAP_FILE] ) )
network_topology = nml.createNMLNetwork(nrm_ports, network_name, base_name)
# route vectors
link_vector = linkvector.LinkVector( [ network_name ] )
# hack in link vectors manually, since we don't have a mechanism for updating them automatically
for np in nrm_ports:
if np.remote_network is not None:
link_vector.updateVector(np.name, { np.remote_network : 1 } ) # hack
for network, cost in np.vectors.items():
link_vector.updateVector(np.name, { network : cost })
# ssl/tls contxt
if vc[config.TLS]:
from opennsa import ctxfactory
ctx_factory = ctxfactory.ContextFactory(vc[config.KEY], vc[config.CERTIFICATE], vc[config.CERTIFICATE_DIR], vc[config.VERIFY_CERT])
elif os.path.isdir(vc[config.CERTIFICATE_DIR]):
# we can at least create a context
from opennsa import ctxfactory
ctx_factory = ctxfactory.RequestContextFactory(vc[config.CERTIFICATE_DIR], vc[config.VERIFY_CERT])
else:
ctx_factory = None
# plugin
if vc[config.PLUGIN]:
from twisted.python import reflect
plugin = reflect.namedAny('opennsa.plugins.%s.plugin' % vc[config.PLUGIN])
else:
from opennsa.plugin import BasePlugin
plugin = BasePlugin()
plugin.init(vc, ctx_factory)
# the dance to setup dynamic providers right
top_resource = resource.Resource()
requester_creator = CS2RequesterCreator(top_resource, None, vc[config.HOST], vc[config.PORT], vc[config.TLS], ctx_factory) # set aggregator later
provider_registry = provreg.ProviderRegistry({}, { cnt.CS2_SERVICE_TYPE : requester_creator.create } )
aggr = aggregator.Aggregator(network_topology.id_, ns_agent, network_topology, link_vector, None, provider_registry, vc[config.POLICY], plugin ) # set parent requester later
requester_creator.aggregator = aggr
pc = nsi2.setupProvider(aggr, top_resource, ctx_factory=ctx_factory, allowed_hosts=vc.get(config.ALLOWED_HOSTS))
aggr.parent_requester = pc
# setup backend(s) - for now we only support one
backend_configs = vc['backend']
if len(backend_configs) > 1:
raise config.ConfigurationError('Only one backend supported for now. Multiple will probably come later.')
backend_cfg = backend_configs.values()[0]
backend_service = setupBackend(backend_cfg, network_topology.id_, nrm_ports, aggr)
backend_service.setServiceParent(self)
can_swap_label = backend_service.connection_manager.canSwapLabel(cnt.ETHERNET_VLAN)
provider_registry.addProvider(ns_agent.urn(), backend_service, [ network_topology.id_ ] )
# fetcher
if vc[config.PEERS]:
fetcher_service = fetcher.FetcherService(link_vector, nrm_ports, vc[config.PEERS], provider_registry, ctx_factory=ctx_factory)
fetcher_service.setServiceParent(self)
# wire up the http stuff
discovery_resource_name = 'discovery.xml'
nml_resource_name = base_name + '.nml.xml'
nml_resource_url = '%s/NSI/%s' % (base_url, nml_resource_name)
# discovery service
name = base_name.split(':')[0] if ':' in base_name else base_name
opennsa_version = 'OpenNSA-' + version
networks = [ cnt.URN_OGF_PREFIX + network_name ]
interfaces = [ ( cnt.CS2_PROVIDER, provider_endpoint, None), ( cnt.CS2_SERVICE_TYPE, provider_endpoint, None), (cnt.NML_SERVICE_TYPE, nml_resource_url, None) ]
features = [ (cnt.FEATURE_AGGREGATOR, None), (cnt.FEATURE_UPA, None) ]
ds = discoveryservice.DiscoveryService(ns_agent.urn(), now, name, opennsa_version, now, networks, interfaces, features, provider_registry, link_vector)
discovery_resource = ds.resource()
top_resource.children['NSI'].putChild(discovery_resource_name, discovery_resource)
link_vector.callOnUpdate( lambda : discovery_resource.updateResource ( ds.xml() ))
# view resource
vr = viewresource.ConnectionListResource(aggr)
top_resource.children['NSI'].putChild('connections', vr)
# topology
nml_service = nmlservice.NMLService(network_topology, can_swap_label)
top_resource.children['NSI'].putChild(nml_resource_name, nml_service.resource() )
log.msg('Provider URL: %s' % provider_endpoint )
log.msg('Discovery URL: %s/NSI/%s' % (base_url, discovery_resource_name) )
log.msg('Topology URL: %s' % (nml_resource_url) )
factory = server.Site(top_resource)
factory.log = httplog.logRequest # default logging is weird, so we do our own
if vc[config.TLS]:
internet.SSLServer(vc[config.PORT], factory, ctx_factory).setServiceParent(self)
else:
internet.TCPServer(vc[config.PORT], factory).setServiceParent(self)
# do not start sub-services until we have started this one
twistedservice.MultiService.startService(self)
log.msg('OpenNSA service started')
