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topo2nsiv2.py
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topo2nsiv2.py
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#!/usr/bin/env python
import rdflib
import collections
import xml.etree.ElementTree as ET
from time import strftime
import sys
# This file implements an extremely limited converter for DTOX to NSI topology files
# It expects a certain format, and only converts those parts it knows about.
RDF = rdflib.Namespace("http://www.w3.org/1999/02/22-rdf-syntax-ns#")
RDFS = rdflib.Namespace("http://www.w3.org/2000/01/rdf-schema#")
NML = rdflib.Namespace("http://schemas.ogf.org/nml/2013/05/base#")
NMLETH = rdflib.Namespace("http://schemas.ogf.org/nml/2012/10/ethernet#")
NSI = rdflib.Namespace("http://schemas.ogf.org/nsi/2013/09/topology#")
DTOX = rdflib.Namespace("http://www.glif.is/working-groups/tech/dtox#")
VC = rdflib.Namespace("urn:ietf:params:xml:ns:vcard-4.0")
OWL = rdflib.Namespace("http://www.w3.org/2002/07/owl#")
golenames = {
"netherlight": "netherlight.net",
"czechlight": "czechlight.cesnet.cz",
"starlight": "startap.net",
"northernlight": "nordu.net",
"uvalight": "uvalight.net",
"pionier": "pionier.net.pl",
"aist": "aist.go.jp",
"kddi": "kddilabs.jp",
"kddi-labs": "kddilabs.jp",
"geant": "geant.net",
"krlight": "krlight.net",
"max": "maxgigapop.net",
"jgnx": "jgn-x.jp",
"gloriad": "gloriad.org",
"esnet": "es.net",
"psnc": "exp.pionier.net.pl",
}
MAPPING = collections.defaultdict(list)
def getUrlName(name):
if name in golenames.keys():
return golenames[name]
else:
return name
def getNetName(name):
if "pionier.junos.exp.net" in name:
return "pionier-exp"
return getUrlName(name).split(".")[0]
def getTargetTopo(target):
# UvA believes there is more to GOLEs than just Ethernet.
if "uva" in target:
return rdflib.term.URIRef("urn:ogf:network:%s:2013:topology" % target)
else:
return rdflib.term.URIRef("urn:ogf:network:%s:2013:ets" % target)
class AGXMLTopology:
def __init__(self, url):
"""docstring for __init__"""
self.url = url
self.storev1 = rdflib.Graph()
print "Parsing %s" % url
self.storev1.parse(url)
self.topo = self.storev1.value(predicate=RDF.type, object=DTOX.NSNetwork)
self.urlname = getUrlName(self.topo.split(":")[-1][:-4])
self.netname = getNetName(self.topo.split(":")[-1][:-4])
self.prefix = "urn:ogf:network:%s:2013:" % self.urlname
ET.register_namespace("nml",NML)
ET.register_namespace("nsi",NSI)
ET.register_namespace("nmleth",NMLETH)
ET.register_namespace("vc",VC)
def make_xml():
node = Element('foo')
node.text = 'bar'
def addPorts(self,stp,topo,targetUrl=None, targetNet=None):
if targetUrl and targetNet:
outPortRel = ET.SubElement(topo,"{%s}%s"%(NML,"Relation"), {"type":NML+"hasOutboundPort"})
outPortGrp = ET.SubElement(outPortRel,"{%s}%s"%(NML,"PortGroup"), {"id":self.prefix+self.netname+"-"+targetNet})
outLabel = ET.SubElement(outPortGrp,"{%s}%s"%(NML,"LabelGroup"), {"labeltype":NMLETH+"vlan"})
outLabel.text = "1780-1783"
outTargetRel = ET.SubElement(outPortGrp,"{%s}%s"%(NML,"Relation"), {"type":NML+"isAlias"})
outTargetGrp = ET.SubElement(outTargetRel, "{%s}%s"%(NML,"PortGroup"),
{"id":"urn:ogf:network:%s:2013:%s-%s" % (targetUrl,self.netname, targetNet)})
inPortRel = ET.SubElement(topo,"{%s}%s"%(NML,"Relation"), {"type":NML+"hasInboundPort"})
inPortGrp = ET.SubElement(inPortRel,"{%s}%s"%(NML,"PortGroup"), {"id":self.prefix+targetNet+"-"+self.netname})
inLabel = ET.SubElement(inPortGrp,"{%s}%s"%(NML,"LabelGroup"), {"labeltype":NMLETH+"vlan"})
inLabel.text = "1780-1783"
inTargetRel = ET.SubElement(inPortGrp,"{%s}%s"%(NML,"Relation"), {"type":NML+"isAlias"})
inTargetGrp = ET.SubElement(inTargetRel, "{%s}%s"%(NML,"PortGroup"),
{"id":"urn:ogf:network:%s:2013:%s-%s" % (targetUrl,targetNet,self.netname)})
biPort = ET.SubElement(topo,"{%s}%s"%(NML,"BidirectionalPort"), {"id":self.prefix+"bi-"+self.netname+"-"+targetNet})
biPortOut = ET.SubElement(biPort,"{%s}%s"%(NML,"PortGroup"), {"id":self.prefix+self.netname+"-"+targetNet})
biPortIn = ET.SubElement(biPort,"{%s}%s"%(NML,"PortGroup"), {"id":self.prefix+targetNet+"-"+self.netname})
else:
outPortRel = ET.SubElement(topo,"{%s}%s"%(NML,"Relation"), {"type":NML+"hasOutboundPort"})
outPortGrp = ET.SubElement(outPortRel,"{%s}%s"%(NML,"PortGroup"), {"id":self.prefix+stp+"-out"})
outLabel = ET.SubElement(outPortGrp,"{%s}%s"%(NML,"LabelGroup"), {"labeltype":NMLETH+"vlan"})
outLabel.text = "1780-1783"
inPortRel = ET.SubElement(topo,"{%s}%s"%(NML,"Relation"), {"type":NML+"hasInboundPort"})
inPortGrp = ET.SubElement(inPortRel,"{%s}%s"%(NML,"PortGroup"), {"id":self.prefix+stp+"-in"})
inLabel = ET.SubElement(inPortGrp,"{%s}%s"%(NML,"LabelGroup"), {"labeltype":NMLETH+"vlan"})
inLabel.text = "1780-1783"
biPort = ET.SubElement(topo,"{%s}%s"%(NML,"BidirectionalPort"), {"id":self.prefix+"bi-"+stp})
biPortOut = ET.SubElement(biPort,"{%s}%s"%(NML,"PortGroup"), {"id":self.prefix+stp+"-in"})
biPortIn = ET.SubElement(biPort,"{%s}%s"%(NML,"PortGroup"), {"id":self.prefix+stp+"-out"})
def convert(self):
oldnsa = self.storev1.value(subject=self.topo,predicate=DTOX.managedBy)
version = strftime("%Y-%m-%dT%H:%M:%SZ")
nsa = ET.Element("{%s}%s" % (NSI,"NSA"),{"id": self.prefix+"nsa", "version": version })
# Location
oldloc = self.storev1.value(subject=self.topo,predicate=DTOX.locatedAt)
location = ET.SubElement(nsa, "{%s}%s"%(NML,"Location"), {"id":self.prefix+"location"})
lat = ET.SubElement(location, "{%s}%s"%(NML, "lat"))
lat.text = self.storev1.value(subject=oldloc,predicate=DTOX.lat)
lng = ET.SubElement(location, "{%s}%s"%(NML, "long"))
lng.text = self.storev1.value(subject=oldloc,predicate=DTOX.long)
# Service
csProviderEndpoint = self.storev1.value(subject=oldnsa,predicate=DTOX.csProviderEndpoint)
pserv = ET.SubElement(nsa,"{%s}%s"%(NSI,"Service"), {"id":self.prefix+"nsa-provserv"})
pservlink = ET.SubElement(pserv,"{%s}%s"%(NSI,"link"))
pservlink.text = self.storev1.value(subject=oldnsa,predicate=DTOX.csProviderEndpoint)
pservtype = ET.SubElement(pserv,"{%s}%s"%(NSI,"type"))
pservtype.text = "application/vnd.org.ogf.nsi.cs.v2+soap"
pservprov = ET.SubElement(pserv, "{%s}%s"%(NSI,"Relation"), {"type":NSI+"providedBy"})
pservprovnsa = ET.SubElement(pservprov, "{%s}%s" % (NSI,"NSA"),{"id": self.prefix+"nsa"})
# Relation: AdminContact
admin = ET.SubElement(nsa, "{%s}%s"%(NSI,"Relation"), {"type":NSI+"adminContact"})
# admin = ET.SubElement(nsa, "{%s}%s"%(NSI,"adminContact"))
admintext = ET.SubElement(admin, "{%s}%s"%(VC,"text"))
admintext.text = "TODO: Convert this to vCard notation\n"+ self.storev1.value(subject=oldnsa,predicate=DTOX.adminContact)
# Relation: peersWith
# peeringNets = []
# for stp in self.storev1.objects(self.topo,DTOX.hasSTP):
# target = self.storev1.value(subject=stp,predicate=DTOX.connectedTo)
# if target:
# targetUrl = getUrlName(target.split(":")[4][:-4])
# print targetUrl, peeringNets, targetUrl in peeringNets
# if targetUrl not in peeringNets:
# pwrel = ET.SubElement(nsa, "{%s}%s"%(NSI,"Relation"), {"type":NSI+"peersWith"})
# peeringNSA = ET.SubElement(pwrel, "{%s}%s"%(NSI,"NSA"),{"id":"urn:ogf:network:%s:2013:nsa" % (targetUrl)})
# peeringNets.append(targetUrl)
# Topology
topo = ET.SubElement(nsa,"{%s}%s"%(NML,"Topology"), {"id":self.prefix+"topology"})
tname = ET.SubElement(topo,"{%s}%s"%(NML,"name"))
tname.text = self.urlname
# Ports
localstps = []
peeringNets = []
for stp in self.storev1.objects(self.topo,DTOX.hasSTP):
target = self.storev1.value(subject=stp,predicate=DTOX.connectedTo)
# We take off the invalid network urn prefix
localstp = stp.split(":")[-1]
# and then we take off the label suffix
localstp = localstp.split("-")[0]
if localstp not in localstps:
if target:
# We take out the network name of the other end to pass as target
# We need both the URL name for the right prefix, and the netname for nicer postfixes
targetUrl = getUrlName(target.split(":")[4][:-4])
targetNet = getNetName(target.split(":")[4][:-4])
if targetUrl not in peeringNets:
pwrel = ET.SubElement(nsa, "{%s}%s"%(NSI,"Relation"), {"type":NSI+"peersWith"})
peeringNSA = ET.SubElement(pwrel, "{%s}%s"%(NSI,"NSA"),{"id":"urn:ogf:network:%s:2013:nsa" % (targetUrl)})
peeringNets.append(targetUrl)
self.addPorts(localstp,topo,targetUrl,targetNet)
else:
self.addPorts(localstp,topo)
localstps.append(localstp)
doc = ET.ElementTree(nsa)
return doc
class AGTopology:
def __init__(self, url):
print "WARNING! This is not NML NSI syntax yet."
self.url = url
self.storev1 = rdflib.Graph()
self.storev2 = rdflib.Graph()
# try:
print "Parsing %s" % url
self.storev1.parse(url)
# except Exception as e:
# print e
self.topo = self.storev1.value(predicate=RDF.type, object=DTOX.NSNetwork)
self.urlname = getUrlName(self.topo.split(":")[-1][:-4])
self.netname = getNetName(self.topo.split(":")[-1][:-4])
self.prefix = rdflib.Namespace("urn:ogf:network:%s:2013:" % self.urlname)
self.storev2.bind(self.netname.replace(".","-"),self.prefix)
self.init_v2()
def init_v2(self):
self.storev2.bind("nml",NML)
self.storev2.bind("nsi",NSI)
self.storev2.bind("nmleth",NMLETH)
self.storev2.bind("owl",OWL)
def addTopo(self,oldtopo):
topo = getTargetTopo(self.urlname)
self.storev2.add((topo,RDF.type,OWL.NamedIndividual))
self.storev2.add((topo,RDF.type,NML.Topology))
# NSA
nsa = rdflib.term.URIRef(self.prefix+"nsa")
self.storev2.add((nsa,RDF.type,OWL.NamedIndividual))
self.storev2.add((nsa,RDF.type,NSI.NSA))
self.storev2.add((topo,NSI.managedBy,nsa))
self.storev2.add((nsa,NSI.manages,topo))
oldnsa = self.storev1.value(subject=oldtopo,predicate=DTOX.managedBy)
MAPPING[nsa] = oldnsa
adminContact = self.storev1.value(subject=oldnsa,predicate=DTOX.adminContact)
self.storev2.add((nsa,NSI.adminContact,adminContact))
csProviderEndpoint = self.storev1.value(subject=oldnsa,predicate=DTOX.csProviderEndpoint)
self.storev2.add((nsa,NSI.csProviderEndpoint,csProviderEndpoint))
# Location
location = rdflib.term.URIRef(self.prefix+"location")
self.storev2.add((location,NML.name,rdflib.Literal(self.netname)))
self.storev2.add((location,RDF.type,OWL.NamedIndividual))
self.storev2.add((location,RDF.type,NML.Location))
self.storev2.add((topo,NML.locatedAt,location))
oldloc = self.storev1.value(subject=oldtopo,predicate=DTOX.locatedAt)
lat = self.storev1.value(subject=oldloc,predicate=DTOX.lat)
self.storev2.add((location,NML.lat,lat))
long = self.storev1.value(subject=oldloc,predicate=DTOX.long)
self.storev2.add((location,NML.long,long))
return topo
def addPorts(self,stp,topo,targetUrl=None,targetNet=None):
if targetUrl and targetNet:
outPort = rdflib.term.URIRef(self.prefix+self.netname+"-"+targetNet)
inPort = rdflib.term.URIRef(self.prefix+targetNet+"-"+self.netname)
outTarget = rdflib.term.URIRef("urn:ogf:network:%s:2013:%s-%s" %
(targetUrl,targetNet,self.netname))
inTarget = rdflib.term.URIRef("urn:ogf:network:%s:2013:%s-%s" %
(targetUrl,self.netname,targetNet))
self.storev2.add((outPort,NML.isAlias,inTarget))
self.storev2.add((inPort,NML.isAlias,outTarget))
targettopo = getTargetTopo(targetUrl)
self.storev2.add((targettopo,NML.hasInboundPort,inTarget))
self.storev2.add((targettopo,NML.hasOutboundPort,outTarget))
self.storev2.add((targettopo,RDF.type,NML.Topology))
self.storev2.add((targettopo,RDF.type,OWL.NamedIndividual))
self.storev2.add((targettopo,NSI.isReference,
rdflib.Literal("https://raw.github.com/jeroenh/AutoGOLE-Topologies/nsiv2/goles/%s.owl" % targetUrl)))
else:
outPort = rdflib.term.URIRef(self.prefix+stp+"-out")
inPort = rdflib.term.URIRef(self.prefix+stp+"-in")
for p in (outPort,inPort):
self.storev2.add((p,RDF.type,OWL.NamedIndividual))
self.storev2.add((p,RDF.type,NML.PortGroup))
self.storev2.add((p,NMLETH.vlans,rdflib.term.Literal("1780-1783")))
self.storev2.add((NMLETH.vlans, OWL.subPropertyOf, NML.hasLabelGroup))
self.storev2.add((topo,NML.hasOutboundPort,outPort))
self.storev2.add((topo,NML.hasInboundPort,inPort))
if targetUrl and targetNet:
biport = self.prefix["bi-%s-%s" % (self.netname,targetNet)]
else:
biport = self.prefix["bi-%s" % (stp)]
self.storev2.add((biport,RDF.type,OWL.NamedIndividual))
self.storev2.add((biport,RDF.type,NML.BidirectionalPort))
self.storev2.add((biport,NML.hasPort,outPort))
self.storev2.add((biport,NML.hasPort,inPort))
# self.storev2.add((topo,NML.hasBidirectionalPort,biport))
return biport
def convert(self):
# Convert the Topology and its basic attributes
topov2 = self.addTopo(self.topo)
# Convert the STPs
for stp in self.storev1.objects(self.topo,DTOX.hasSTP):
target = self.storev1.value(subject=stp,predicate=DTOX.connectedTo)
# We take off the invalid network urn prefix
localstp = stp.split(":")[-1]
# and then we take off the label suffix
# This means we'll add each port 4 times. Fortunately rdflib is robust to that.
localstp = localstp.split("-")[0]
if target:
# We take out the network name of the other end to pass as target
# We need both the URL name for the right prefix, and the netname for nicer postfixes
targetUrl = getUrlName(target.split(":")[4][:-4])
targetNet = getNetName(target.split(":")[4][:-4])
biport = self.addPorts(localstp,topov2,targetUrl,targetNet)
else:
biport = self.addPorts(localstp,topov2)
MAPPING[biport].append(str(stp))
return self.storev2
def jerrify(mapping):
mapping['urn:ogf:network:gloriad.org:2012:bi-gloriad-krlight']= ['urn:ogf:network:stp:gloriad.ets:krl.0', 'urn:ogf:network:stp:gloriad.ets:krl.1', 'urn:ogf:network:stp:gloriad.ets:krl.2', 'urn:ogf:network:stp:gloriad.ets:krl.3']
mapping['urn:ogf:network:gloriad.org:2012:bi-gloriad-startap']= ['urn:ogf:network:stp:gloriad.ets:sl.0', 'urn:ogf:network:stp:gloriad.ets:sl.1', 'urn:ogf:network:stp:gloriad.ets:sl.2', 'urn:ogf:network:stp:gloriad.ets:sl.3']
mapping['urn:ogf:network:nordu.net:2012:bi-nordu-pionier']= ['urn:ogf:network:stp:northernlight.ets:poz-0', 'urn:ogf:network:stp:northernlight.ets:poz-1', 'urn:ogf:network:stp:northernlight.ets:poz-2', 'urn:ogf:network:stp:northernlight.ets:poz-3']
mapping['urn:ogf:network:nordu.net:2012:bi-nordu-uvalight']= ['urn:ogf:network:stp:northernlight.ets:uva-1780', 'urn:ogf:network:stp:northernlight.ets:uva-1781', 'urn:ogf:network:stp:northernlight.ets:uva-1782', 'urn:ogf:network:stp:northernlight.ets:uva-1783']
mapping['urn:ogf:network:pionier.net.pl:2012:bi-pionier-nordu']= ['urn:ogf:network:stp:pionier.ets:cpha','urn:ogf:network:stp:pionier.ets:cphb','urn:ogf:network:stp:pionier.ets:cphc','urn:ogf:network:stp:pionier.ets:cphd']
mapping['urn:ogf:network:startap.net:2012:bi-startap-gloriad']= ['urn:ogf:network:stp:starlight.ets:glo-06f4', 'urn:ogf:network:stp:starlight.ets:glo-06f5', 'urn:ogf:network:stp:starlight.ets:glo-o6f6', 'urn:ogf:network:stp:starlight.ets:glo-06f7']
mapping['urn:ogf:network:uvalight.net:2012:bi-uvalight-nordu']= ['urn:ogf:network:stp:uvalight.ets:ndn-0', 'urn:ogf:network:stp:uvalight.ets:ndn-1', 'urn:ogf:network:stp:uvalight.ets:ndn-2', 'urn:ogf:network:stp:uvalight.ets:ndn-3']
def OWLConversion():
master = rdflib.Graph()
master.bind("nml",NML)
master.bind("nsi",NSI)
master.bind("nmleth",NMLETH)
master.bind("owl",OWL)
master1 = rdflib.Graph()
master1.bind("nml",NML)
master1.bind("nsi",NSI)
master1.bind("nmleth",NMLETH)
master1.bind("owl",OWL)
master1.bind("dtox",DTOX)
# OWL
for name in ["aist","czechlight","esnet","geant","gloriad","jgnx","kddi-labs","krlight","netherlight","northernlight","pionier","starlight","uvalight","psnc"]:
newname = getUrlName(name)
topo = AGTopology("golesv1/%s.owl" % name)
master1 += topo.storev1
graph = topo.convert()
graph.serialize("goles/%s.owl"%newname,format="pretty-xml")
graph.serialize("goles/%s.n3"%newname,format="n3")
master.bind(newname.replace(".","_"),topo.prefix)
master += graph
# Remove the isReference functions from the master topology,
# since it has resolved all references already.
for s,o in master.subject_objects(NML.isReference):
master.remove((s,NML.isReference,o))
master.serialize("master.owl",format="pretty-xml")
master.serialize("master.n3",format="n3")
master1.serialize("AutoGOLE-Topo.owl",format="xml")
def XMLConversion():
# XML
for name in ["aist","czechlight","esnet","geant","gloriad","jgnx","kddi-labs","krlight","netherlight","northernlight","pionier","starlight","uvalight","psnc"]:
newname = getUrlName(name)
topo = AGXMLTopology("golesv1/%s.owl" % name)
doc = topo.convert()
doc.write("goles/%s.xml"%newname,encoding="UTF-8",xml_declaration=True)
def createMapping():
# Write the mapping file. Remember to undo the jerrification:
f = open("mapping.txt",'w')
jerrify(MAPPING)
for x in MAPPING:
if type(MAPPING[x]) is list:
MAPPING[x].sort()
f.write("%s: %s\n" % (x,MAPPING[x]))
f.close()
def main():
# OWLConversion()
XMLConversion()
# createMapping()
if __name__ == '__main__':
main()