def _add_link_to_db(self, link_type, num_links, src_switch, dst_switch, src_ports, dst_ports):
# create new link
link = Link()
link.topology = self._top
link.dummy = False
link.link_type = link_type
link.num_links = num_links
link.src_switch = src_switch
link.dst_switch = dst_switch
link.src_ports = ports_to_string(src_ports)
link.dst_ports = ports_to_string(dst_ports)
link.save()
# create invidual physical links for matching with CDP data
if num_links > 1 or link_type in [PORT_CHANNEL, VPC_PEER]:
# set dummy = True for such links
for index in range(num_links):
link = Link()
link.topology = self._top
link.dummy = True
link.link_type = PHYSICAL
link.num_links = 1
link.src_switch = src_switch
link.dst_switch = dst_switch
link.src_ports = src_ports[index]
link.dst_ports = dst_ports[index]
link.save()
def _update_link_in_db(self, link, new_ports, is_src):
old_src_ports = string_to_ports(link.src_ports)
old_dst_ports = string_to_ports(link.dst_ports)
# update ports in link
if is_src:
link.src_ports = ports_to_string(new_ports)
else:
link.dst_ports = ports_to_string(new_ports)
link.save()
if link.num_links > 1 or link.link_type in [PORT_CHANNEL, VPC_PEER]:
# get member physical links
for index in range(link.num_links):
member = Link.objects.get(
src_switch_id=link.src_switch.id,
dst_switch_id=link.dst_switch.id,
src_ports=old_src_ports[index],
dst_ports=old_dst_ports[index],
dummy=True,
)
# update port
if is_src:
member.src_ports = new_ports[index]
else:
member.dst_ports = new_ports[index]
member.save()
index += 1
def _update_link_in_db(self, link, new_ports, is_src):
old_src_ports = string_to_ports(link.src_ports)
old_dst_ports = string_to_ports(link.dst_ports)
# update ports in link
if is_src:
link.src_ports = ports_to_string(new_ports)
else:
link.dst_ports = ports_to_string(new_ports)
link.save()
if link.num_links > 1 or link.link_type in [PORT_CHANNEL, VPC_PEER]:
# get member physical links
for index in range(link.num_links):
member = Link.objects.get(src_switch_id=link.src_switch.id,
dst_switch_id=link.dst_switch.id,
src_ports=old_src_ports[index],
dst_ports=old_dst_ports[index],
dummy=True)
# update port
if is_src:
member.src_ports = new_ports[index]
else:
member.dst_ports = new_ports[index]
member.save()
index += 1
def _add_link_to_db(self, link_type, num_links, src_switch, dst_switch,
src_ports, dst_ports):
# create new link
link = Link()
link.topology = self._top
link.dummy = False
link.link_type = link_type
link.num_links = num_links
link.src_switch = src_switch
link.dst_switch = dst_switch
link.src_ports = ports_to_string(src_ports)
link.dst_ports = ports_to_string(dst_ports)
link.save()
# create invidual physical links for matching with CDP data
if num_links > 1 or link_type in [PORT_CHANNEL, VPC_PEER]:
# set dummy = True for such links
for index in range(num_links):
link = Link()
link.topology = self._top
link.dummy = True
link.link_type = PHYSICAL
link.num_links = 1
link.src_switch = src_switch
link.dst_switch = dst_switch
link.src_ports = src_ports[index]
link.dst_ports = dst_ports[index]
link.save()
def _update_new_link_ports(self, links, ports, is_src):
used_count = 0
for link in links:
# ran out of ports?
if used_count + link.num_links > len(ports):
raise IgniteException(ERR_NOT_ENOUGH_PORTS)
# actual ports to be used in link
new_ports = ports[used_count : used_count + link.num_links]
logger.debug(
"link id = %d, %s, old_ports = %s, new ports = %s",
link.id,
"src" if is_src else "dst",
link.src_ports if is_src else link.dst_ports,
ports_to_string(new_ports),
)
# modify link with new ports
self._update_link_in_db(link, new_ports, is_src)
used_count += link.num_links
return used_count
def _get_ports(self, switch, port_role, num_ports, ports=[]):
if switch.model_id == 1 or switch.model_id == None:
raise IgniteException(
"Cant not add switch as no switch model assigned")
logger.debug("switch id = %d, port_role = %s", switch.id, port_role)
# get all links for switch
links = Link.objects.filter(Q(src_switch_id=switch.id)
| Q(dst_switch_id=switch.id),
topology_id=self._top.id,
dummy=False)
used_ports = list()
# make list of ports currently in use
for link in links:
if switch.id == link.src_switch.id:
used_ports += string_to_ports(link.src_ports)
else:
used_ports += string_to_ports(link.dst_ports)
# make list of ports available for port_role in switch model
# first ports with exact port_role and then role=BOTH
# available ports = model ports - used ports
model_ports = switch.model.meta[port_role] + switch.model.meta[BOTH]
avail_ports = [port for port in model_ports if port not in used_ports]
logger.debug("model_ports = %s", ports_to_string(model_ports))
logger.debug("used_ports = %s", ports_to_string(used_ports))
logger.debug("avail_ports = %s", ports_to_string(avail_ports))
# if ports are given, check that they are usable
if ports:
for port in ports:
if port not in avail_ports:
raise IgniteException(ERR_INV_PORTS)
return ports
if num_ports > len(avail_ports):
raise IgniteException(ERR_NOT_ENOUGH_PORTS)
return avail_ports[:num_ports]
def _get_ports(self, switch, port_role, num_ports, ports=[]):
if switch.model_id == 1 or switch.model_id == None:
raise IgniteException("Cant not add switch as no switch model assigned")
logger.debug("switch id = %d, port_role = %s", switch.id, port_role)
# get all links for switch
links = Link.objects.filter(
Q(src_switch_id=switch.id) | Q(dst_switch_id=switch.id), topology_id=self._top.id, dummy=False
)
used_ports = list()
# make list of ports currently in use
for link in links:
if switch.id == link.src_switch.id:
used_ports += string_to_ports(link.src_ports)
else:
used_ports += string_to_ports(link.dst_ports)
# make list of ports available for port_role in switch model
# first ports with exact port_role and then role=BOTH
# available ports = model ports - used ports
model_ports = switch.model.meta[port_role] + switch.model.meta[BOTH]
avail_ports = [port for port in model_ports if port not in used_ports]
logger.debug("model_ports = %s", ports_to_string(model_ports))
logger.debug("used_ports = %s", ports_to_string(used_ports))
logger.debug("avail_ports = %s", ports_to_string(avail_ports))
# if ports are given, check that they are usable
if ports:
for port in ports:
if port not in avail_ports:
raise IgniteException(ERR_INV_PORTS)
return ports
if num_ports > len(avail_ports):
raise IgniteException(ERR_NOT_ENOUGH_PORTS)
return avail_ports[:num_ports]
def _update_new_link_ports(self, links, ports, is_src):
used_count = 0
for link in links:
# ran out of ports?
if used_count + link.num_links > len(ports):
raise IgniteException(ERR_NOT_ENOUGH_PORTS)
# actual ports to be used in link
new_ports = ports[used_count:used_count + link.num_links]
logger.debug("link id = %d, %s, old_ports = %s, new ports = %s",
link.id, "src" if is_src else "dst",
link.src_ports if is_src else link.dst_ports,
ports_to_string(new_ports))
# modify link with new ports
self._update_link_in_db(link, new_ports, is_src)
used_count += link.num_links
return used_count
def add_discovered_links(fab_id, switch_id_details, connectivities, tiers):
logger.debug(
"Adding discovered links between switches in discovered fabric")
ports_info = get_ports_info(connectivities, tiers[BORDER], tiers[CORE])
used_switch = list()
for i in range(0, len(connectivities)):
for j in range(0, len(connectivities[i])):
ssw = connectivities[i][j].split(';')[0]
dsw = connectivities[i][j].split(';')[2]
if (ssw != dsw):
if (ssw in switch_id_details[SPINE].keys() and \
dsw in switch_id_details[LEAF].keys()):
logger.debug(
"Source switch %s is Spine and Destination switch %s is Leaf",
ssw, dsw)
link_type = PHYSICAL
src_switch = switch_id_details[SPINE][ssw]
dst_switch = switch_id_details[LEAF][dsw]
elif (ssw in switch_id_details[LEAF].keys() and \
dsw in switch_id_details[LEAF].keys()):
logger.debug(
"Source switch %s is Leaf and Destination switch %s is Leaf",
ssw, dsw)
link_type = VPC_PEER
src_switch = switch_id_details[LEAF][ssw]
dst_switch = switch_id_details[LEAF][dsw]
elif (ssw in switch_id_details[SPINE].keys() and \
dsw in switch_id_details[CORE].keys()):
logger.debug(
"Source switch %s is Spine and Destination switch %s is CORE",
ssw, dsw)
link_type = PHYSICAL
src_switch = switch_id_details[SPINE][ssw]
dst_switch = switch_id_details[CORE][dsw]
elif (ssw in switch_id_details[LEAF].keys() and \
dsw in switch_id_details[BORDER].keys()):
logger.debug(
"Source switch %s is LEAF and Destination switch %s is Border",
ssw, dsw)
link_type = PHYSICAL
src_switch = switch_id_details[LEAF][ssw]
dst_switch = switch_id_details[BORDER][dsw]
else:
logger.debug("No ssw/dsw found")
continue
temp_list = list()
temp_list.append(src_switch)
temp_list.append(dst_switch)
if temp_list not in used_switch:
used_switch.append(temp_list)
for switches in ports_info:
for neigh in ports_info[switches]:
if switches == ssw and neigh == dsw:
logger.debug(
"Finding source ports and destination ports for link between switches %s and %s",
ssw, dsw)
src_ports_list = ports_info[switches][neigh][0]
dst_ports_list = ports_info[switches][neigh][1]
logger.debug("Ports are %s and %s",
src_ports_list, dst_ports_list)
link = Link()
link.topology_id = fab_id
link.dummy = False
link.link_type = link_type
link.num_links = 1
link.src_switch_id = src_switch
link.dst_switch_id = dst_switch
link.src_ports = ports_to_string(src_ports_list)
link.dst_ports = ports_to_string(dst_ports_list)
link.save()
logger.debug("Link created")
def add_discovered_links(fab_id, switch_id_details, connectivities, tiers):
logger.debug("Adding discovered links between switches in discovered fabric")
ports_info = get_ports_info(connectivities, tiers[BORDER], tiers[CORE])
used_switch = list()
for i in range(0, len(connectivities)):
for j in range(0, len(connectivities[i])):
ssw = connectivities[i][j].split(';')[0]
dsw = connectivities[i][j].split(';')[2]
if (ssw != dsw):
if (ssw in switch_id_details[SPINE].keys() and \
dsw in switch_id_details[LEAF].keys()):
logger.debug("Source switch %s is Spine and Destination switch %s is Leaf", ssw, dsw)
link_type = PHYSICAL
src_switch = switch_id_details[SPINE][ssw]
dst_switch = switch_id_details[LEAF][dsw]
elif (ssw in switch_id_details[LEAF].keys() and \
dsw in switch_id_details[LEAF].keys()):
logger.debug("Source switch %s is Leaf and Destination switch %s is Leaf", ssw, dsw)
link_type = VPC_PEER
src_switch = switch_id_details[LEAF][ssw]
dst_switch = switch_id_details[LEAF][dsw]
elif (ssw in switch_id_details[SPINE].keys() and \
dsw in switch_id_details[CORE].keys()):
logger.debug("Source switch %s is Spine and Destination switch %s is CORE", ssw, dsw)
link_type = PHYSICAL
src_switch = switch_id_details[SPINE][ssw]
dst_switch = switch_id_details[CORE][dsw]
elif (ssw in switch_id_details[LEAF].keys() and \
dsw in switch_id_details[BORDER].keys()):
logger.debug("Source switch %s is LEAF and Destination switch %s is Border", ssw, dsw)
link_type = PHYSICAL
src_switch = switch_id_details[LEAF][ssw]
dst_switch = switch_id_details[BORDER][dsw]
else:
logger.debug("No ssw/dsw found")
continue
temp_list = list()
temp_list.append(src_switch)
temp_list.append(dst_switch)
if temp_list not in used_switch:
used_switch.append(temp_list)
for switches in ports_info:
for neigh in ports_info[switches]:
if switches == ssw and neigh == dsw:
logger.debug("Finding source ports and destination ports for link between switches %s and %s", ssw, dsw)
src_ports_list = ports_info[switches][neigh][0]
dst_ports_list = ports_info[switches][neigh][1]
logger.debug("Ports are %s and %s", src_ports_list, dst_ports_list)
link = Link()
link.topology_id = fab_id
link.dummy = False
link.link_type = link_type
link.num_links = 1
link.src_switch_id = src_switch
link.dst_switch_id = dst_switch
link.src_ports = ports_to_string(src_ports_list)
link.dst_ports = ports_to_string(dst_ports_list)
link.save()
logger.debug("Link created")
