def create_node_by_address(address):
""" Creates new node with the given address.
Return a refence to the node object if the node already exists.
If the node has IP address, a port is created with the ip address
"""
node = find_node_by_address(address)
if node is not None:
return node
# creating new node is needed
if validIP4(address):
hostname = get_host_by_addr(address, False)
ips = [address]
else:
hostname = address
ips = get_host_ips(address, False)
node = Node()
# if the address cannot be mapped to DNS name use '*' as domain
if hostname is None:
nodeName = ips[0]
domainName = '*'
else:
nodeName = hostname.split('.')[0]
domainName = hostname.replace(hostname.split('.')[0] + '.', '')
node.unis_id = "urn:ogf:network:domain=%s:node=%s" % (domainName, nodeName)
node.save()
if hostname is None:
hostname = ips[0]
name = NetworkObjectNames.objects.create(
name=Name.objects.create(value=hostname), networkobject=node)
name.save()
host = NodeAddresses.objects.create(node=node,
address=Address.objects.create(
value=hostname, type='hostname'))
host.save()
for ip in ips:
port = Port(parent=node, unis_id=node.unis_id + ":port:%s" % ip)
port.parent = node
port.save()
portAddress = PortAddresses.objects.create(
port=port, address=Address.objects.create(value=ip, type='ipv4'))
portAddress.save()
dns = get_host_by_addr(ip)
if dns is not None:
portAddress = PortAddresses.objects.create(
port=port,
address=Address.objects.create(value=dns, type='hostname'))
portAddress.save()
logger.info("New node '%s' is created" % node)
return node
def process_node(node, domain):
nodeID = get_urn_value(node.getAttribute('id'), 'node')
address = node.getElementsByTagNameNS(TOPOLOGY_NS, "address")
ports = node.getElementsByTagNameNS(TOPOLOGY_NS, "port")
n = Node(domain=domain, node=nodeID, address=address[0].firstChild.data)
n.save()
for p in ports:
process_port(p, n)
def create_node_by_address(address):
""" Creates new node with the given address.
Return a refence to the node object if the node already exists.
If the node has IP address, a port is created with the ip address
"""
node = find_node_by_address(address)
if node is not None:
return node
# creating new node is needed
if validIP4(address):
hostname = get_host_by_addr(address, False)
ips = [address]
else:
hostname = address
ips = get_host_ips(address, False)
node = Node()
# if the address cannot be mapped to DNS name use '*' as domain
if hostname is None:
nodeName = ips[0]
domainName = '*'
else:
nodeName = hostname.split('.')[0]
domainName = hostname.replace(hostname.split('.')[0] + '.', '')
node.unis_id = "urn:ogf:network:domain=%s:node=%s" % (domainName, nodeName)
node.save()
if hostname is None:
hostname = ips[0]
name = NetworkObjectNames.objects.create(name = Name.objects.create(value=hostname), networkobject=node)
name.save()
host = NodeAddresses.objects.create(node=node, address = Address.objects.create(value=hostname,type='hostname'))
host.save()
for ip in ips:
port = Port(parent=node, unis_id=node.unis_id+":port:%s" % ip)
port.parent = node
port.save()
portAddress = PortAddresses.objects.create(port=port, address = Address.objects.create(value=ip,type='ipv4'))
portAddress.save()
dns = get_host_by_addr(ip)
if dns is not None:
portAddress = PortAddresses.objects.create(port=port, address = Address.objects.create(value=dns,type='hostname'))
portAddress.save()
logger.info("New node '%s' is created" % node)
return node
