def _add_se_link(self, link):
# Special case: links to be filtered in POST {(M)RO -> (M)MS}
SE_FILTERED_LINKS = ["*"]
interfaces_cid = [
i.get("component_id") for i in link.get("interface_ref")
]
interface_cid_in_filter = [
f for f in SE_FILTERED_LINKS if f in interfaces_cid
]
# Avoid reinserting existing link tags in the topology
if MonitoringUtils.check_existing_tag_in_topology(
self.topology, "link", "lan", link.get("component_id")):
return
if not interface_cid_in_filter:
l = etree.SubElement(self.topology, "link")
# NOTE that this cannot be empty
l.set("type", MonitoringUtilsLinks._translate_link_type(link))
link_id = ""
links = link.get("interface_ref")
for link in links:
# SE link
iface = etree.SubElement(l, "interface_ref")
iface.set("client_id", link.get("component_id"))
# - Prepare link ID for SERM-SDNRM link
link_id = MonitoringUtilsLinks.get_id_for_link_serm_sdnrm_tnrm(
links)
l.set("id", link_id)
def _add_com_link(self, link, parent_node=None):
if parent_node is None:
parent_node = self.topology
logger.debug("com-links=%s" % (link, ))
#l = etree.SubElement(parent_node, "link")
l = etree.Element("link")
# NOTE that this cannot be empty
l.set("type", MonitoringUtilsLinks._translate_link_type(link))
link_id = ""
links = link.get("links")
link_exists = False
for link_i in links:
if MonitoringUtils.check_existing_tag_in_topology(
parent_node, "link", "lan",
[link_i.get("source_id"),
link_i.get("dest_id")]):
link_exists = True
break
# Modify link on-the-fly to add the DPID port as needed
link_i = MonitoringUtilsLinks._set_dpid_port_from_link(
link.get("component_id"), link_i)
# Source
iface_source = etree.SubElement(l, "interface_ref")
iface_source.set("client_id", link_i.get("source_id"))
# Destination
iface_dest = etree.SubElement(l, "interface_ref")
iface_dest.set("client_id", link_i.get("dest_id"))
# - Prepare link ID for CRM-SDNRM link
link_id = MonitoringUtilsLinks.get_id_for_link_crm_sdnrm(link_i)
# Finally, add it as subelement
if not link_exists:
l.set("id", link_id)
parent_node.append(l)
def _add_sdn_link(self, link, parent_node=None):
if parent_node is None:
parent_node = self.topology
auth1 = link.get("dpids")[0].get("component_manager_id").replace("authority+cm", "datapath")
dpid1 = auth1 + "+" + link.get("dpids")[0].get("dpid") + "_" + link.get("ports")[0].get("port_num")
auth2 = link.get("dpids")[1].get("component_manager_id").replace("authority+cm", "datapath")
dpid2 = auth2 + "+" + link.get("dpids")[1].get("dpid") + "_" + link.get("ports")[1].get("port_num")
if MonitoringUtils.check_existing_tag_in_topology(
parent_node, "link", "lan", [dpid1, dpid2]):
return
l = etree.SubElement(parent_node, "link")
# NOTE that this cannot be empty
l.set("type", MonitoringUtilsLinks._translate_link_type(link))
link_id = ""
ports = link.get("ports")
dpids = link.get("dpids")
try:
for dpid_port in zip(dpids, ports):
iface = etree.SubElement(l, "interface_ref")
dpid = dpid_port[0]["component_id"]
port = dpid_port[1]["port_num"]
iface.set("client_id", "%s_%s" % (dpid, port))
except Exception as e:
logger.warning("Physical topology - Cannot add SDN interface %s. \
Details: %s" % (link.get("component_id", "(unknown)"), e))
try:
# - Prepare link ID for SDNRM-SDNRM link
link_id = MonitoringUtilsLinks.get_id_for_link_sdnrm_sdnrm(zip(dpids, ports))
l.set("id", link_id)
except Exception as e:
logger.warning("Physical topology - Cannot add SDN link ID %s. \
Details: %s" % (link.get("component_id", "(unknown)"), e))
def _add_com_link(self, link, parent_node=None):
if parent_node is None:
parent_node = self.topology
logger.debug("com-links=%s" % (link,))
# l = etree.SubElement(parent_node, "link")
l = etree.Element("link")
# NOTE that this cannot be empty
l.set("type", MonitoringUtilsLinks._translate_link_type(link))
link_id = ""
links = link.get("links")
link_exists = False
for link_i in links:
if MonitoringUtils.check_existing_tag_in_topology(parent_node, "link", "lan", [link_i.get("source_id"), link_i.get("dest_id")]):
link_exists = True
break
# Modify link on-the-fly to add the DPID port as needed
link_i = MonitoringUtilsLinks._set_dpid_port_from_link(link.get("component_id"), link_i)
# Source
iface_source = etree.SubElement(l, "interface_ref")
iface_source.set("client_id", link_i.get("source_id"))
# Destination
iface_dest = etree.SubElement(l, "interface_ref")
iface_dest.set("client_id", link_i.get("dest_id"))
# - Prepare link ID for CRM-SDNRM link
link_id = MonitoringUtilsLinks.get_id_for_link_crm_sdnrm(link_i)
# Finally, add it as subelement
if not link_exists:
l.set("id", link_id)
parent_node.append(l)
def _add_se_link(self, link):
# Special case: links to be filtered in POST {(M)RO -> (M)MS}
SE_FILTERED_LINKS = ["*"]
interfaces_cid = [i.get("component_id") for i
in link.get("interface_ref")]
interface_cid_in_filter = [f for f in SE_FILTERED_LINKS
if f in interfaces_cid]
# Avoid reinserting existing link tags in the topology
if MonitoringUtils.check_existing_tag_in_topology(
self.topology, "link", "lan", link.get("component_id")):
return
if not interface_cid_in_filter:
l = etree.SubElement(self.topology, "link")
# NOTE that this cannot be empty
l.set("type", MonitoringUtilsLinks._translate_link_type(link))
link_id = ""
links = link.get("interface_ref")
for link in links:
# SE link
iface = etree.SubElement(l, "interface_ref")
iface.set("client_id", link.get("component_id"))
# - Prepare link ID for SERM-SDNRM link
link_id = MonitoringUtilsLinks.\
get_id_for_link_serm_sdnrm_tnrm(links)
l.set("id", link_id)
def _add_sdn_link(self, link, parent_node=None):
if parent_node is None:
parent_node = self.topology
auth1 = link.get("dpids")[0].get("component_manager_id").replace(
"authority+cm", "datapath")
dpid1 = auth1 + "+" + link.get("dpids")[0].get(
"dpid") + "_" + link.get("ports")[0].get("port_num")
auth2 = link.get("dpids")[1].get("component_manager_id").replace(
"authority+cm", "datapath")
dpid2 = auth2 + "+" + link.get("dpids")[1].get(
"dpid") + "_" + link.get("ports")[1].get("port_num")
if MonitoringUtils.check_existing_tag_in_topology(
parent_node, "link", "lan", [dpid1, dpid2]):
return
l = etree.SubElement(parent_node, "link")
# NOTE that this cannot be empty
l.set("type", MonitoringUtilsLinks._translate_link_type(link))
link_id = ""
ports = link.get("ports")
dpids = link.get("dpids")
try:
for dpid_port in zip(dpids, ports):
iface = etree.SubElement(l, "interface_ref")
dpid = dpid_port[0]["component_id"]
port = dpid_port[1]["port_num"]
iface.set("client_id", "%s_%s" % (dpid, port))
except Exception as e:
logger.warning(
"Physical topology - Cannot add SDN interface %s. Details: %s"
% (link.get("component_id", "(unknown)"), e))
try:
# - Prepare link ID for SDNRM-SDNRM link
link_id = MonitoringUtilsLinks.get_id_for_link_sdnrm_sdnrm(
zip(dpids, ports))
l.set("id", link_id)
except Exception as e:
logger.warning(
"Physical topology - Cannot add SDN link ID %s. Details: %s" %
(link.get("component_id", "(unknown)"), e))
def add_sdn_resources(self, slice_urn, nodes):
"""
Inserts one or more nodes with SDNRM resources information.
@param slice_urn URN identifier of a given slice
@param nodes Structure containing a list of SDNRM nodes and
its attributes
"""
# Cannot use information extracted from the manifest here!
# Look into the db-table containing the requested dpids and matches.
if slice_urn not in self.__stored:
logger.error("Slice monitoring: unable to find topology " +
"info from %s!" % slice_urn)
return
topology = self.__stored.get(slice_urn)
groups, matches = db_sync_manager.get_slice_sdn(slice_urn)
link_ids = []
# Nodes info
logger.debug("add_sdn_resources Groups(%d)=%s" % (len(groups), groups))
logger.debug("add_sdn_resources Matches=%d" % (len(matches), ))
for m in matches:
logger.debug("Match=%s" % (m, ))
self.__update_match_with_groups(m, groups)
## TODO Check db.topology.slice (maybe some information stored?)
for dpid in m.get("dpids"):
if MonitoringUtils.check_existing_tag_in_topology(
topology, "node", "switch", dpid.get("component_id")):
break
logger.debug("Dpid=%s" % (dpid, ))
node_ = etree.SubElement(topology,
"node",
id=dpid.get("component_id"),
type="switch")
for p in dpid.get("ports"):
ifid = dpid.get("component_id") + "_" + str(p.get("num"))
if_ = etree.SubElement(node_, "interface", id=ifid)
etree.SubElement(if_, "port", num=str(p.get("num")))
link_ids.append(
self.__create_link_id(dpid.get("dpid"), p.get("num")))
self.__add_packet_info(node_, m.get("packet"))
logger.info("add_sdn_resources Link identifiers(%d)=%s" % (
len(link_ids),
link_ids,
))
# C-SDN link info
for l in link_ids:
com_link = db_sync_manager.get_com_link_by_sdnkey(l)
if com_link:
logger.debug("COM link=%s" % (com_link, ))
for eps in com_link.get("links"):
if MonitoringUtils.check_existing_tag_in_topology(topology, "link",\
self.MS_LINK_TYPE, [eps.get("source_id"), eps.get("dest_id")]):
break
# Modify link on-the-fly to add the DPID port as needed
eps = MonitoringUtilsLinks._set_dpid_port_from_link(
com_link.get("component_id"), eps)
eps_src_id, eps_dst_id = self.__get_eps_ids(
eps.get("source_id"), eps.get("dest_id"))
logger.info("eps_src_id=%s, eps_dst_id=%s" % (
eps_src_id,
eps_dst_id,
))
self.__add_link_info(topology, eps_src_id, eps_dst_id,
com_link.get("link_type"))
# SDN-SDN link info
ext_link_ids = self.__extend_link_ids(link_ids)
logger.info("add_sdn_resources Extended link identifiers(%d)=%s" % (
len(ext_link_ids),
ext_link_ids,
))
for l in ext_link_ids:
sdn_link = db_sync_manager.get_sdn_link_by_sdnkey(l)
if sdn_link:
logger.debug("SDN link=%s" % (sdn_link, ))
if len(sdn_link.get("dpids")) == 2 and\
len(sdn_link.get("ports")) == 2:
ep1 = self.__create_link_id(
sdn_link.get("dpids")[0].get("component_id"),
sdn_link.get("ports")[0].get("port_num"))
ep2 = self.__create_link_id(
sdn_link.get("dpids")[1].get("component_id").sdn_link.
get("ports")[1].get("port_num"))
# Local SDN-SDN links are not inserted under the nested link
# if self.__check_ids_same_domain(ep1, ep2):
self.__add_link_info(topology, ep1, ep2,
self.SDN2SDN_LINK_TYPE)
# else:
# self.__sdn_links.append(
# {'id': sdn_link.get("component_id"),
# 'source': ep1,
# 'destination': ep2})
else:
logger.info("Slice monitoring: cannot find link that " +
"ends with %s" % l)
def add_sdn_resources(self, slice_urn, nodes):
"""
Inserts one or more nodes with SDNRM resources information.
@param slice_urn URN identifier of a given slice
@param nodes Structure containing a list of SDNRM nodes and
its attributes
"""
# Cannot use information extracted from the manifest here!
# Look into the db-table containing the requested dpids and matches.
if slice_urn not in self.__stored:
logger.error("Slice monitoring: unable to find topology " +
"info from %s!" % slice_urn)
return
topology = self.__stored.get(slice_urn)
groups, matches = db_sync_manager.get_slice_sdn(slice_urn)
link_ids = []
# Nodes info
logger.debug("add_sdn_resources Groups(%d)=%s" % (len(groups), groups))
logger.debug("add_sdn_resources Matches=%d" % (len(matches),))
for m in matches:
logger.debug("Match=%s" % (m,))
self.__update_match_with_groups(m, groups)
## TODO Check db.topology.slice (maybe some information stored?)
for dpid in m.get("dpids"):
if MonitoringUtils.check_existing_tag_in_topology(topology, "node", "switch", dpid.get("component_id")):
break
logger.debug("Dpid=%s" % (dpid,))
node_ = etree.SubElement(
topology, "node", id=dpid.get("component_id"),
type="switch")
for p in dpid.get("ports"):
ifid = dpid.get("component_id") + "_" + str(p.get("num"))
if_ = etree.SubElement(node_, "interface", id=ifid)
etree.SubElement(if_, "port", num=str(p.get("num")))
link_ids.append(
self.__create_link_id(dpid.get("dpid"), p.get("num")))
self.__add_packet_info(node_, m.get("packet"))
logger.info("add_sdn_resources Link identifiers(%d)=%s" %
(len(link_ids), link_ids,))
# C-SDN link info
for l in link_ids:
com_link = db_sync_manager.get_com_link_by_sdnkey(l)
if com_link:
logger.debug("COM link=%s" % (com_link,))
for eps in com_link.get("links"):
if MonitoringUtils.check_existing_tag_in_topology(topology, "link",\
self.MS_LINK_TYPE, [eps.get("source_id"), eps.get("dest_id")]):
break
# Modify link on-the-fly to add the DPID port as needed
eps = MonitoringUtilsLinks._set_dpid_port_from_link(
com_link.get("component_id"), eps)
eps_src_id, eps_dst_id = self.__get_eps_ids(
eps.get("source_id"), eps.get("dest_id"))
logger.info("eps_src_id=%s, eps_dst_id=%s" %
(eps_src_id, eps_dst_id,))
self.__add_link_info(topology, eps_src_id, eps_dst_id, com_link.get("link_type"))
# SDN-SDN link info
ext_link_ids = self.__extend_link_ids(link_ids)
logger.info("add_sdn_resources Extended link identifiers(%d)=%s" %
(len(ext_link_ids), ext_link_ids,))
for l in ext_link_ids:
sdn_link = db_sync_manager.get_sdn_link_by_sdnkey(l)
if sdn_link:
logger.debug("SDN link=%s" % (sdn_link,))
if len(sdn_link.get("dpids")) == 2 and\
len(sdn_link.get("ports")) == 2:
ep1 = self.__create_link_id(
sdn_link.get("dpids")[0].get("component_id"),
sdn_link.get("ports")[0].get("port_num"))
ep2 = self.__create_link_id(
sdn_link.get("dpids")[1].get("component_id").
sdn_link.get("ports")[1].get("port_num"))
# Local SDN-SDN links are not inserted under the nested link
# if self.__check_ids_same_domain(ep1, ep2):
self.__add_link_info(topology, ep1, ep2, self.SDN2SDN_LINK_TYPE)
# else:
# self.__sdn_links.append(
# {'id': sdn_link.get("component_id"),
# 'source': ep1,
# 'destination': ep2})
else:
logger.info("Slice monitoring: cannot find link that " +
"ends with %s" % l)
