def remove_interface(device):
try:
interfaces = get_interfaces(device)
interfaces[:] = [
ifaz for ifaz in interfaces
if str(ifaz["name"]).startswith("Loopback")
]
if len(interfaces) > 0:
print(
"CAUTION: If a previous request has failed this action might fail. If that is the case, please, be patient and try again later"
)
__print_interfaces(interfaces)
opt = int(
input("Select which interface you want to remove (index): "))
if opt < 0 or opt > len(interfaces):
raise ValueError()
with netconf.create_connection(device) as con:
netconf.delete_ifaz(con,
interfaces[opt]["name"].lstrip("Loopback"))
else:
print("There are no Loopback interfaces to remove")
except (DataError, RequestError) as e:
print(e)
except ValueError:
print("Invalid option, try again")
def create_interface(device):
try:
with netconf.create_connection(device) as con:
print("Loopback interface creation wizard")
name = input("Insert interface index: ")
descr = input("Insert a short description: ")
addr = input("Insert IP: ")
mask = input("Insert mask: ")
netconf.create_ifaz(con, name, addr, mask, descr)
except (DataError, RequestError) as e:
print(e)
def print_memory_usage(device):
try:
with netconf.create_connection(device) as con:
usage = netconf.get_memory_usage(con)
table_header = {
"index": "Index",
"pid": "PID",
"name": "Proc Name",
"alloc": "Allocated Mem",
"freed": "Freed Mem",
"hold": "Holding Mem"
}
print("-- Memory usage stats --")
print(tabulate(usage, table_header))
except (DataError, RequestError) as e:
print(e)
def print_netconf_session_stats(device):
try:
with netconf.create_connection(device) as con:
stats = netconf.get_session_stats(con)
table_header = {
"index": "Index",
"id": "Id",
"host": "Source host",
"time": "Cx Time"
}
print("-- Netconf stats --")
print("Total requests:", stats["req_total"])
print("Malformed requests:", stats["req_fail"])
print("Error responses:", stats["res_fail"])
print("\n-- Netconf active sessions --")
print(tabulate(stats["active_sessions"], table_header))
except (DataError, RequestError) as e:
print(e)
def get_interfaces(device):
with ssh.create_connection(device) as con:
interfaces = ssh.get_ifaz_ip(con)
with netconf.create_connection(device) as con:
macs = netconf.get_ifaz_mac(con)
for mac in macs:
for interface in interfaces:
if interface["name"] == mac["name"]:
del mac[
"index"] # Remove that key to avoid updating interface's index
interface.update(mac)
# ips = netconf.get_ifaz_ip(con) # Adding this netmask could be obtained
# for ip in ips:
# for interface in interfaces:
# if interface["name"] == ip["name"]:
# del ip["index"] # Remove that key to avoid updating interface's index
# interface.update(ip) # Not checking again the IP as it should be the same
return interfaces
def get_routing(device):
with netconf.create_connection(device) as con:
routing_table = netconf.get_routing(con)
return routing_table