def get_ipport(hop, rt, uc):
'''
input: a list of ip string at this hop (step)
output: a list of L3 port object at this hop (step)
'''
if len(hop) > 1:
return [get_ipport([ip_str], self.unisrt, meta_obj.currentclient) for ip_str in hop]
hop = hop[0]
if hop == '*':
return None
elif hop in self.unisrt.ipports['existing']:
return self.unisrt.ipports['existing'][hop]
else:
# not been posted to unis yet, still in ['new'], no selfRef, L2 port node info etc.
l3 = ipport({
'address': {
'type': 'ipv4',
'address': hop
}
},
rt,
uc,
True)
return l3
def buildIPresolver(unisrt, tree):
'''
return a dictionary that maps an IP to an L2 port
'''
ip_resolver = {}
for node, ports in tree.iteritems():
for port, port_conf in ports.iteritems():
if "unit" not in port_conf:
continue
for unit_conf in port_conf["unit"].itervalues():
try:
for ip in unit_conf["family"]["inet"]["address"].iterkeys():
ip_resolver[ip[:-3]] = node
# don't upload ipport at this moment (even though I don't do it, unisencoder+esnetrspec already done it)
# these rules to compose UNIS refs are so artificial
# don't use 'ip' list of ports, because they may not exist in the topo
models.ipport({'address': {
'address': ip[:-3],
'type': 'ipv4'
},
'relations': {
'over': [{'href': unisrt.unis_url + '/ports/' + node + '_port_' + port.replace('/', '_')}]
},
'node': unisrt.unis_url + '/nodes/' + node
}, unisrt, False)
except (KeyError, TypeError):
continue
# Okay, now let's build ip_resolver for ESnet. Really should just use ipport dictionary...
tmp = {}
for k, v in unisrt.ipports['existing'].iteritems():
if k in ip_resolver:
continue
try:
tmp[k] = v.node.id
except:
tmp[k] = v.node
ip_resolver.update(tmp)
return ip_resolver