def find_sdn_interfaces_for_se_interface(se_links,
se_interface,
negative_filter=[],
possitive_filter=[""]):
sdn_interfaces_match = set()
for se_link in se_links:
se_link_interfaces = [
iface.get("component_id")
for iface in se_link.get("interface_ref")
]
se_link_interfaces_match = any([
PathFinderTNtoSDNFormatUtils.remove_port_cid(se_interface)
in se_link_interface
for se_link_interface in se_link_interfaces
])
if se_link_interfaces_match:
# Retrieve link interfaces from SDN switches that are connected with any SE interface
# Search for some SDN link connected to the passed SE component id (without port!)
se_interface_noport = PathFinderTNtoSDNFormatUtils.remove_port_cid(
se_interface)
# Also, avoid adding links SE-TN (this would introduce a never-ending loop)
if se_interface_noport in se_link_interfaces[0] \
and not any([ param in se_link_interfaces[1] for param in negative_filter ]) \
and any([ param in se_link_interfaces[1] for param in possitive_filter ]):
sdn_interfaces_match.add(se_link_interfaces[1])
elif se_interface_noport in se_link_interfaces[1] \
and not any([ param in se_link_interfaces[0] for param in negative_filter ]) \
and any([ param in se_link_interfaces[0] for param in possitive_filter ]):
sdn_interfaces_match.add(se_link_interfaces[0])
# Convert from set to tuple to avoid unhashable problems later on
return tuple(sdn_interfaces_match)
def find_path_sdn(self):
# Get SDN interfaces for (SRC, DST) SE interface
negative_filter = ["tnrm"]
for path_source in self.mapping_tn_se_of:
for src_dst_value in self.src_dst_values:
# Domains connected through VPN may not have SE links (skip)
if "se" not in path_source[src_dst_value]:
return
# possitive_filter_of_switches = [ FormatUtils.\
# remove_port_cid(f) for f in getattr(self, \
# "%s_of_cids" % src_dst_value) ]
se_interface = path_source[src_dst_value]["se"]
# Possible SE-SDN links
sdn_candidates = []
if se_interface is not None and len(se_interface) > 0:
# Search for *every* connection between SE and SDN devices
se_node = FormatUtils.remove_port_cid(se_interface)
sdn_candidates = self.find_se_sdn_links_for_se_node(
se_node, negative_filter)
for se_sdn_link in sdn_candidates:
se_sdn_link = \
FormatUtils.format_verify_se_sdn_links(se_sdn_link)
path_source[src_dst_value]["links"].append(se_sdn_link)
def find_sdn_interfaces_for_se_interface(se_links, se_interface, negative_filter=[], possitive_filter=[""]):
sdn_interfaces_match = set()
for se_link in se_links:
se_link_interfaces = [ iface.get("component_id") for iface in se_link.get("interface_ref") ]
se_link_interfaces_match = any([ FormatUtils.remove_port_cid(se_interface) in se_link_interface for se_link_interface in se_link_interfaces ])
if se_link_interfaces_match:
# Retrieve link interfaces from SDN switches that are connected with any SE interface
# Search for some SDN link connected to the passed SE component id (without port!)
se_interface_noport = FormatUtils.remove_port_cid(se_interface)
# Also, avoid adding links SE-TN (this would introduce a never-ending loop)
if se_interface_noport in se_link_interfaces[0] \
and not any([ param in se_link_interfaces[1] for param in negative_filter ]) \
and any([ param in se_link_interfaces[1] for param in possitive_filter ]):
sdn_interfaces_match.add(se_link_interfaces[1])
elif se_interface_noport in se_link_interfaces[1] \
and not any([ param in se_link_interfaces[0] for param in negative_filter ]) \
and any([ param in se_link_interfaces[0] for param in possitive_filter ]):
sdn_interfaces_match.add(se_link_interfaces[0])
# Convert from set to tuple to avoid unhashable problems later on
return tuple(sdn_interfaces_match)
def find_path_sdn(self):
# Get SDN interfaces for (SRC, DST) SE interface
negative_filter = ["tnrm"]
for path_source in self.mapping_tn_se_of:
for src_dst_value in self.src_dst_values:
# Domains connected through the VPN may not have SE links (skip)
if "se" not in path_source[src_dst_value]:
return
#possitive_filter_of_switches = [ FormatUtils.remove_port_cid(f) for f in getattr(self, "%s_of_cids" % src_dst_value) ]
se_interface = path_source[src_dst_value]["se"]
# Possible SE-SDN links
sdn_candidates = []
if se_interface is not None and len(se_interface) > 0:
# Search for *every* connection between SE and SDN devices
se_node = FormatUtils.remove_port_cid(se_interface)
sdn_candidates = self.find_se_sdn_links_for_se_node(
se_node, negative_filter)
for se_sdn_link in sdn_candidates:
se_sdn_link = FormatUtils.format_verify_se_sdn_links(
se_sdn_link)
path_source[src_dst_value]["links"].append(se_sdn_link)
