def add_vlan_to_link(self, link_cid, iface_cid):
"""
Add vlan to component ID of link's interface
when using a newly formatted RSpec.
This format is used: "urn+...+datapath+<dpid>_<port>+vlan=<vlan>.
"""
if "vlan=" in link_cid:
urn_src, vlan_src, urn_dst, vlan_dst = URNUtils.get_fields_from_domain_link_id(link_cid)
if_vlan_pairs = {urn_src: vlan_src, urn_dst: vlan_dst}
# if_dpid = URNUtils.get_datapath_from_datapath_id(if_cid)
if_dpid, if_port = URNUtils.get_datapath_and_port_from_datapath_id(iface_cid)
if_dpid_port = "%s_%s" % (if_dpid, if_port)
for if_vlan in if_vlan_pairs.keys():
if if_dpid_port in if_vlan:
iface_cid += "+vlan=%s" % if_vlan_pairs[if_vlan]
break
return iface_cid
def add_se_resources(self, slice_urn, nodes, links):
"""
Inserts one or more nodes with SERM resources information.
@param slice_urn URN identifier of a given slice
@param nodes Structure containing a list of SERM nodes and
its attributes
@param links Structure containing a list of SERM links and
its attributes
"""
if slice_urn not in self.__stored:
logger.error("Unable to find Topology info from %s!" % slice_urn)
return
topology = self.__stored.get(slice_urn)
logger.debug("dd_se_resources Nodes=%d" % (len(nodes),))
for n in nodes:
logger.debug("Node=%s" % (n,))
node_ = etree.SubElement(
topology, "node", id=n.get("component_id"),
type=self.SE_LINK_TYPE)
if n.get("host_name"):
self.__add_snmp_management(node_, n.get("host_name"))
for ifs in n.get("interfaces"):
interface_ = etree.SubElement(
node_, "interface", id=ifs.get("component_id"))
# Try to extract port info from the component id!
self.__add_se_port_from_interface(
ifs.get("component_id"), interface_)
# vlan = ifs.get("vlan")[0].get("tag")
# vlan1, vlan2 = l.get("component_id")
# m_ = etree.SubElement(node_, "match")
# etree.SubElement(m_, "vlan", start=vlan, end=vlan)
for l in links:
# FIXME: incorrect comparison
link_id = l.get("component_id")
if link_id == ifs.get("component_id"):
urn_src, vlan_src, urn_dst, vlan_dst = \
URNUtils.get_fields_from_domain_link_id(link_id)
m_ = etree.SubElement(node_, "match")
etree.SubElement(m_, "vlan",
start=vlan_src, end=vlan_src)
m_ = etree.SubElement(node_, "match")
etree.SubElement(m_, "vlan",
start=vlan_dst, end=vlan_dst)
logger.debug("add_se_resources Links=%d" % (len(links),))
for l in links:
logger.debug("Link=%s" % (l,))
if len(l.get("interface_ref")) != 2:
logger.warning("Unable to manage extra-list of info (%d)!" %
len(l.get("interface_ref")))
continue
# is it really necessary to put bidirectional links?
# self.__add_link_info(topology,
# l.get("interface_ref")[0].get("component_id"),
# l.get("interface_ref")[1].get("component_id"),
# l.get("link_type"))
# store the values for the virtual island-to-island link
self.__se_links.append(
{'id': l.get("component_id"),
'source': l.get("interface_ref")[0].get("component_id"),
'destination': l.get("interface_ref")[1].get("component_id")})
# we need to add "special" links here: SE-to-SDN, SE-to-TN
# and an "abstract" link
self.__add_se_external_link_info(
topology, [l.get("interface_ref")[0].get("component_id"),
l.get("interface_ref")[1].get("component_id")])
