def test_description_absent(self):
"""
Configure any interface to have no description.
Attempt the task exactly once.
Restore the original description to the interface.
"""
for device_name in inventory_connected():
for interface_name in interface_names(device_name):
original_info = interface_configuration_tuple(
device_name, interface_name)
interface_configuration_update(device_name, interface_name,
None, original_info.address,
original_info.netmask,
original_info.active,
original_info.shutdown)
modified_info = interface_configuration_tuple(
device_name, interface_name)
self.assertIsNone(modified_info.description)
interface_configuration_update(device_name, interface_name,
original_info.description,
original_info.address,
original_info.netmask,
original_info.active,
original_info.shutdown)
return
self.fail(
"Expected (at least) one connected device with (at least) one interface."
)
def test_description_absent(self):
"""
Configure any interface to have no description.
Attempt the task exactly once.
Restore the original description to the interface.
"""
for device_name in inventory_connected():
for interface_name in interface_names(device_name):
original_info = interface_configuration_tuple(device_name, interface_name)
interface_configuration_update(device_name, interface_name, None, original_info.address, original_info.netmask, original_info.active, original_info.shutdown)
modified_info = interface_configuration_tuple(device_name, interface_name)
self.assertIsNone(modified_info.description)
interface_configuration_update(device_name, interface_name, original_info.description, original_info.address, original_info.netmask, original_info.active, original_info.shutdown)
return
self.fail("Expected (at least) one connected device with (at least) one interface.")
def main():
''' Select a device and demonstrate.'''
print(plain(doc(acl_apply_packet_filter)))
inventory = inventory_acl()
if not inventory:
print(
'There are no ACL capable devices to examine. Demonstration cancelled.'
)
else:
for device_name in inventory:
mgmt_name = management_interface(device_name)
acl_names = acl_list(device_name)
if not acl_names:
print('Skip device with no ACLs: ', device_name)
continue
else:
random.shuffle(acl_names)
acl_name = acl_names[0]
for ic in interface_configuration_tuple(device_name):
if ic.name == mgmt_name:
continue
print('Consider %s %s in=%s, out=%s' %
(device_name, ic.name, ic.packet_filter_inbound,
ic.packet_filter_outbound))
if not ic.packet_filter_outbound:
demonstrate(device_name, ic.name, 'outbound', acl_name)
return os.EX_OK
if not ic.packet_filter_inbound:
demonstrate(device_name, ic.name, 'inbound', acl_name)
return os.EX_OK
print(
'There are no network interfaces available to apply an ACL. Demonstration cancelled.'
)
return os.EX_TEMPFAIL
def demonstrate(device_name, interface_name):
''' Apply function 'interface_configuration_tuple' to the specified device/interface.'''
print('interface_configuration(' + device_name,
interface_name,
sep=', ',
end=')\n')
print_table(interface_configuration_tuple(device_name, interface_name))
def main():
''' Select a device and demonstrate.'''
print(plain(doc(acl_apply_packet_filter)))
inventory = inventory_acl()
if not inventory:
print('There are no ACL capable devices to examine. Demonstration cancelled.')
else:
for device_name in inventory:
mgmt_name = management_interface(device_name)
acl_names = acl_list(device_name)
if not acl_names:
print('Skip device with no ACLs: ', device_name)
continue
else:
random.shuffle(acl_names)
acl_name = acl_names[0]
for ic in interface_configuration_tuple(device_name):
if ic.name == mgmt_name:
continue
print('Consider %s %s in=%s, out=%s' % (device_name, ic.name, ic.packet_filter_inbound, ic.packet_filter_outbound))
if not ic.packet_filter_outbound:
demonstrate(device_name, ic.name, 'outbound', acl_name)
return EX_OK
if not ic.packet_filter_inbound:
demonstrate(device_name, ic.name, 'inbound', acl_name)
return EX_OK
print('There are no network interfaces available to apply an ACL. Demonstration cancelled.')
return EX_TEMPFAIL
def demonstrate(device_name):
"""
Apply function 'static_route_create' to the specified device.
Choose a destination that does not already exist.
Choose a next-hop on the same sub-network as an existing interface.
If the next-hop is unknown then use any valid ip-address.
"""
print('Select a destination network for which a static route does not exist.')
destination_network_iterator = destination_network_generator()
while True:
destination_network = next(destination_network_iterator)
print('static_route_exists(%s, %s)' % (device_name, destination_network))
exists = static_route_exists(device_name, destination_network)
print(exists)
print()
if not exists:
break
print('Determine which interface is on the management plane (to avoid it).')
print('device_control(%s)' % device_name)
device_mgmt = device_control(device_name)
print_table(device_mgmt)
print()
print('Determine ip-address and network-mask of every interface.')
print('interface_configuration_tuple(%s)' % device_name)
interface_config_list = interface_configuration_tuple(device_name)
print_table(interface_config_list)
print()
for interface_config in interface_config_list:
if interface_config.address is None:
# Skip network interface with unassigned IP address.
continue
if interface_config.address == device_mgmt.address:
# Do not configure static routes on the 'management plane'.
continue
if 'Loopback' in interface_config.name:
# Do not configure static routes on the 'control plane'.
continue
print('Determine next-hop for a network interface.')
interface_network = interface_config.ip_network
next_hop_address = match(device_name, interface_network)
if next_hop_address is None:
print('Next-hop for %s/%s %s/%s is outside the known topology.' % (device_name, interface_config.name, interface_config.address, interface_config.netmask))
next_hop_address = interface_network.network_address
if next_hop_address == interface_config.ip_interface:
next_hop_address += 1
print('Assume that next-hop for %s/%s %s/%s is %s.' % (device_name, interface_config.name, interface_config.address, interface_config.netmask, next_hop_address))
else:
print('Next-hop for %s/%s %s/%s is %s.' % (device_name, interface_config.name, interface_config.address, interface_config.netmask, next_hop_address))
print()
print('static_route_create(%s, %s, %s)' % (device_name, destination_network, next_hop_address))
static_route_create(device_name, destination_network, next_hop_address)
return True
return False
def demonstrate(device_name, interface_config):
print("Initial configuration:")
initial = interface_config
print(initial)
assert not initial.shutdown
print()
print("Shutdown interface %s on %s:" % (initial.name, device_name))
print('interface_configuration_update(' + device_name,
initial.name,
initial.description,
initial.address,
initial.netmask,
shutdown,
sep=', ',
end=')\n')
interface_configuration_update(device_name,
initial.name,
description=initial.description,
address=initial.address,
netmask=initial.netmask,
shutdown=shutdown)
print()
print("Modified configuration:")
modified = interface_configuration_tuple(device_name, initial.name)
print(modified)
assert modified.shutdown
def demonstrate(device_name):
"""
Apply function 'static_route_create' to the specified device.
Choose a destination that does not already exist.
Choose a next-hop on the same sub-network as an existing interface.
If the next-hop is unknown then use any valid ip-address.
"""
print('Select a destination network for which a static route does not exist.')
destination_network_iterator = destination_network_generator()
while True:
destination_network = next(destination_network_iterator)
print('static_route_exists(%s, %s)' % (device_name, destination_network))
exists = static_route_exists(device_name, destination_network)
print(exists)
print()
if not exists:
break
print('Determine which interface is on the management plane (to avoid it).')
print('device_control(%s)' % device_name)
device_mgmt = device_control(device_name)
print_table(device_mgmt)
print()
print('Determine ip-address and network-mask of every interface.')
print('interface_configuration_tuple(%s)' % device_name)
interface_config_list = interface_configuration_tuple(device_name)
print_table(interface_config_list)
print()
for interface_config in interface_config_list:
if interface_config.address is None:
# Skip network interface with unassigned IP address.
continue
if interface_config.address == device_mgmt.address:
# Do not configure static routes on the 'management plane'.
continue
if 'Loopback' in interface_config.name:
# Do not configure static routes on the 'control plane'.
continue
print('Determine next-hop for a network interface.')
interface_network = interface_config.ip_network
next_hop_address = match(device_name, interface_network)
if next_hop_address is None:
print('Next-hop for %s/%s %s/%s is outside the known topology.' % (device_name, interface_config.name, interface_config.address, interface_config.netmask))
next_hop_address = interface_network.network_address
if next_hop_address == interface_config.ip_interface:
next_hop_address += 1
print('Assume that next-hop for %s/%s %s/%s is %s.' % (device_name, interface_config.name, interface_config.address, interface_config.netmask, next_hop_address))
else:
print('Next-hop for %s/%s %s/%s is %s.' % (device_name, interface_config.name, interface_config.address, interface_config.netmask, next_hop_address))
print()
print('static_route_create(%s, %s, %s)' % (device_name, destination_network, next_hop_address))
static_route_create(device_name, destination_network, next_hop_address)
return True
return False
def demonstrate(device_name, interface_name):
print("Initial configuration:")
print('interface_configuration_tuple(%s, %s):' % (device_name, interface_name))
initial = interface_configuration_tuple(device_name, interface_name)
print(initial)
try:
print()
print("Modify configuration:")
print('interface_configuration_update(%s, %s, %s, %s, %s, %s)' % (device_name, interface_name, temp_description, temp_address, temp_netmask, not initial.shutdown))
interface_configuration_update(device_name, initial.name, description=temp_description,
address=temp_address, netmask=temp_netmask, shutdown=not initial.shutdown)
print()
print("Modified configuration:")
print('interface_configuration_tuple(%s, %s):' % (device_name, interface_name))
modified = interface_configuration_tuple(device_name, initial.name)
print(modified)
assert modified.name == initial.name
assert modified.description != initial.description
assert modified.address != initial.address
assert modified.netmask != initial.netmask
assert modified.shutdown != initial.shutdown
finally:
print()
print("Restore configuration:")
print('interface_configuration_update(%s, %s, %s, %s, %s, %s)' % (device_name, interface_name, initial.description, initial.address, initial.netmask, initial.shutdown))
interface_configuration_update(device_name, interface_name, description=initial.description, address=initial.address, netmask=initial.netmask, shutdown=initial.shutdown)
print()
print("Restored configuration:")
print('interface_configuration_tuple(%s, %s):' % (device_name, interface_name))
restored = interface_configuration_tuple(device_name, interface_name)
print(restored)
assert restored.name == initial.name
assert restored.description == initial.description, "Expected '%s' %s got '%s' %s" % (initial.description, type(initial.description), restored.description, type(restored.description))
assert restored.address == initial.address
assert restored.netmask == initial.netmask
assert restored.shutdown == initial.shutdown
assert restored.active == initial.active
def demonstrate(device_name, interface_name):
print("Initial configuration:")
print('interface_configuration_tuple(%s, %s):' % (device_name, interface_name))
initial = interface_configuration_tuple(device_name, interface_name)
print(initial)
try:
print()
print("Modify configuration:")
print('interface_configuration_update(%s, %s, %s, %s, %s, %s)' % (device_name, interface_name, temp_description, temp_address, temp_netmask, not initial.shutdown))
interface_configuration_update(device_name, initial.name, description=temp_description,
address=temp_address, netmask=temp_netmask, shutdown=not initial.shutdown)
print()
print("Modified configuration:")
print('interface_configuration_tuple(%s, %s):' % (device_name, interface_name))
modified = interface_configuration_tuple(device_name, initial.name)
print(modified)
assert modified.name == initial.name
assert modified.description != initial.description
assert modified.address != initial.address
assert modified.netmask != initial.netmask
assert modified.shutdown != initial.shutdown
finally:
print()
print("Restore configuration:")
print('interface_configuration_update(%s, %s, %s, %s, %s, %s)' % (device_name, interface_name, initial.description, initial.address, initial.netmask, initial.shutdown))
interface_configuration_update(device_name, interface_name, description=initial.description, address=initial.address, netmask=initial.netmask, shutdown=initial.shutdown)
print()
print("Restored configuration:")
print('interface_configuration_tuple(%s, %s):' % (device_name, interface_name))
restored = interface_configuration_tuple(device_name, interface_name)
print(restored)
assert restored.name == initial.name
assert restored.description == initial.description, "Expected '%s' %s got '%s' %s" % (initial.description, type(initial.description), restored.description, type(restored.description))
assert restored.address == initial.address
assert restored.netmask == initial.netmask
assert restored.shutdown == initial.shutdown
assert restored.active == initial.active
def test_interface_configuration_tuple(self):
device_names = inventory_connected()
self.assertTrue(device_names, "Expected one or more connected devices.")
interface_count = 0
for device_name in device_names:
for interface_name in interface_names(device_name):
info = interface_configuration_tuple(device_name, interface_name)
self.assertEqual(info.name, interface_name)
self.assertTrue(info.description is None or isinstance(info.description, str))
self.assertTrue(info.address is None or isinstance(info.address, str))
self.assertTrue(info.netmask is None or isinstance(info.netmask, str))
interface_count+=1
self.assertNotEqual(0, interface_count, 'Expected one or more interfaces.')
def match(device_name, interface_network):
""" Discover matching interface on a different device."""
for other_device in inventory_mounted():
if other_device == device_name:
continue
for interface_name in interface_names(other_device):
interface_config = interface_configuration_tuple(other_device, interface_name)
if interface_config.address is None:
# Skip network interface with unassigned IP address.
continue
other_network = to_ip_network(interface_config.address, interface_config.netmask)
if other_network == interface_network:
print('Match %s/%s/%s to %s/%s' % (device_name, interface_config.address, interface_config.netmask, \
other_device, interface_network))
return interface_config.address
return None
def demonstrate(device_name, interface_config):
print("Initial configuration:")
initial = interface_config
print(initial)
assert not initial.shutdown
print()
print("Shutdown interface %s on %s:" % (initial.name, device_name))
print('interface_configuration_update(' + device_name, initial.name, initial.description, initial.address, initial.netmask, shutdown, sep=', ', end=')\n')
interface_configuration_update(device_name, initial.name, description=initial.description,
address=initial.address, netmask=initial.netmask, shutdown=shutdown)
print()
print("Modified configuration:")
modified = interface_configuration_tuple(device_name, initial.name)
print(modified)
assert modified.shutdown
def match(device_name, interface_network):
""" Discover matching interface on a different device."""
for other_device in inventory_mounted():
if other_device == device_name:
continue
for interface_name in interface_names(other_device):
interface_config = interface_configuration_tuple(other_device, interface_name)
if interface_config.address is None:
# Skip network interface with unassigned IP address.
continue
other_network = to_ip_network(interface_config.address, interface_config.netmask)
if other_network == interface_network:
print('Match %s/%s/%s to %s/%s' % (device_name, interface_config.address, interface_config.netmask, \
other_device, interface_network))
return interface_config.address
return None
def sample_destination(device_name):
""" Determine a suitable destination for a static route from the specified network device. """
# Implementation: use 'next subnet' of any data interface on the specified device.
mgmt_name = management_interface(device_name)
interface_list = interface_names(device_name)
for interface_name in interface_list:
if interface_name == mgmt_name:
# Do not configure static routes on the control plane.
continue
config = interface_configuration_tuple(device_name, interface_name)
if config.address is None:
# Skip network interface with unassigned IP address.
continue
interface_network = to_ip_network(config.address, config.netmask)
destination_network = next_subnet(interface_network)
return destination_network
return None
def sample_destination(device_name):
""" Determine a suitable destination for a static route from the specified network device. """
# Implementation: use 'next subnet' of any data interface on the specified device.
mgmt_name = management_interface(device_name)
interface_list = interface_names(device_name)
for interface_name in interface_list:
if interface_name == mgmt_name:
# Do not configure static routes on the control plane.
continue
config = interface_configuration_tuple(device_name, interface_name)
if config.address is None:
# Skip network interface with unassigned IP address.
continue
interface_network = to_ip_network(config.address, config.netmask)
destination_network = next_subnet(interface_network)
return destination_network
return None
def main():
print(plain(doc(interface_configuration_update)))
for device_name in inventory_connected():
mgmt_name = management_interface(device_name)
for interface_name in interface_names(device_name):
# Choose interface on 'data plane' not 'control plane'.
if interface_name == mgmt_name:
continue
interface_config = interface_configuration_tuple(device_name, interface_name)
if not interface_config.address:
continue
if not interface_config.shutdown:
continue
demonstrate(device_name, interface_config)
return EX_OK
print("There are no suitable network devices/interfaces. Demonstration cancelled.")
return EX_TEMPFAIL
def main():
print(plain(doc(interface_configuration_update)))
for device_name in inventory_connected():
mgmt_name = management_interface(device_name)
for interface_name in interface_names(device_name):
# Choose interface on 'data plane' not 'control plane'.
if interface_name == mgmt_name:
continue
interface_config = interface_configuration_tuple(device_name, interface_name)
if not interface_config.address:
continue
if interface_config.shutdown:
continue
demonstrate(device_name, interface_config)
return os.EX_OK
print("There are no suitable network devices/interfaces. Demonstration cancelled.")
return os.EX_TEMPFAIL
def main():
''' Select a device and demonstrate.'''
print(plain(doc(acl_unapply_packet_filter)))
inventory = inventory_acl()
if not inventory:
print('There are no ACL capable devices to examine. Demonstration cancelled.')
else:
for device_name in inventory:
for ic in interface_configuration_tuple(device_name):
print('Consider %s %s in=%s, out=%s' % (device_name, ic.name, ic.packet_filter_inbound, ic.packet_filter_outbound))
if ic.packet_filter_outbound:
demonstrate(device_name, ic.name, 'outbound', ic.packet_filter_outbound)
return os.EX_OK
if ic.packet_filter_inbound:
demonstrate(device_name, ic.name, 'inbound', ic.packet_filter_inbound)
return os.EX_OK
print('There are no ACLs to unapply. Demonstration cancelled.')
return os.EX_TEMPFAIL
def test_interface_configuration_tuple(self):
device_names = inventory_connected()
self.assertTrue(device_names,
"Expected one or more connected devices.")
interface_count = 0
for device_name in device_names:
for interface_name in interface_names(device_name):
info = interface_configuration_tuple(device_name,
interface_name)
self.assertEqual(info.name, interface_name)
self.assertTrue(info.description is None
or isinstance(info.description, str))
self.assertTrue(info.address is None
or isinstance(info.address, str))
self.assertTrue(info.netmask is None
or isinstance(info.netmask, str))
interface_count += 1
self.assertNotEqual(0, interface_count,
'Expected one or more interfaces.')
def demonstrate(device_name):
''' Apply function 'static_route_create' to the specified device for a new destination.'''
mgmt_name = management_interface(device_name)
interface_list = interface_names(device_name)
for interface_name in interface_list:
if interface_name == mgmt_name:
# Do not configure static routes on the control plane.
continue
config = interface_configuration_tuple(device_name, interface_name)
if config.address is None:
# Skip network interface with unassigned IP address.
continue
print()
interface_network = to_ip_network(config.address, config.netmask)
next_hop_address = match(device_name, interface_network)
if next_hop_address is None:
print('No end-point for %s/%s/%s/%s' % (device_name, interface_name, config.address, config.netmask))
continue
destination_network = static_route_fixture.new_destination(device_name, interface_network)
print('static_route_create(%s, %s, %s)' % (device_name, destination_network, next_hop_address))
static_route_create(device_name, destination_network, next_hop_address)
return True
return False
def main():
''' Select a device and demonstrate.'''
print(plain(doc(acl_unapply_packet_filter)))
inventory = inventory_acl()
if not inventory:
print(
'There are no ACL capable devices to examine. Demonstration cancelled.'
)
else:
for device_name in inventory:
for ic in interface_configuration_tuple(device_name):
print('Consider %s %s in=%s, out=%s' %
(device_name, ic.name, ic.packet_filter_inbound,
ic.packet_filter_outbound))
if ic.packet_filter_outbound:
demonstrate(device_name, ic.name, 'outbound',
ic.packet_filter_outbound)
return os.EX_OK
if ic.packet_filter_inbound:
demonstrate(device_name, ic.name, 'inbound',
ic.packet_filter_inbound)
return os.EX_OK
print('There are no ACLs to unapply. Demonstration cancelled.')
return os.EX_TEMPFAIL
def main():
#device_list=settings.config['network_device']
device_list = settings.config['network_device']
connected_list = topology.connected_nodes()
if len(connected_list) != len(device_list):
print('not all devices are connected!')
return
device_1 = 'iosxrv-1'
device_2 = 'iosxrv-2'
device_3 = 'iosxrv-3'
device_4 = 'iosxrv-4'
device_5 = 'iosxrv-5'
device_6 = 'iosxrv-6'
device_7 = 'iosxrv-7'
device_8 = 'iosxrv-8'
interface_0 = 'GigabitEthernet0/0/0/0'
interface_1 = 'GigabitEthernet0/0/0/1'
interface_2 = 'GigabitEthernet0/0/0/2'
interface_3 = 'GigabitEthernet0/0/0/3'
interface_4 = 'GigabitEthernet0/0/0/4'
interface_5 = 'GigabitEthernet0/0/0/5'
interface_6 = 'GigabitEthernet0/0/0/6'
#change path for flow 1
destination_network = to_ip_network('100.0.0.0', '24')
prior_next_hop = '10.0.28.2'
second_next_hop = '10.0.18.1'
if (interface_configuration_tuple(device_2, interface_2).shutdown
== False) & (interface_configuration_tuple(
device_8, interface_2).shutdown == False):
link_status = 'up'
else:
link_status = 'down'
#loop
#for i in range(100):
while True:
#check the link
if (interface_configuration_tuple(device_2, interface_2).shutdown
== False) & (interface_configuration_tuple(
device_8, interface_2).shutdown == False):
new_status = 'up'
#print('link: device_2 <-> device_8 is OK')
else:
new_status = 'down'
#print('link: device_2 <-> device_8 is fail')
#link status unchange
if link_status == new_status:
print('device_2 <-> device_8 link status unchange')
time.sleep(1)
continue
#link status up -> down
elif (link_status == 'up') & (new_status == 'down'):
delete_static_route(device_8, destination_network, 1)
add_static_route(device_8, destination_network, second_next_hop, 1)
print(
'device_2 <-> device_8 link status from up to down: delete prior_route, add second_route, at last for 10s'
)
link_status = new_status
time.sleep(10)
#link status down -> up
elif (link_status == 'down') & (new_status == 'up'):
delete_static_route(device_8, destination_network, 1)
add_static_route(device_8, destination_network, prior_next_hop, 1)
print(
'device_2 <-> device_8 link status from down to up: delete second_route, add prior_route'
)
link_status = new_status
time.sleep(3)
def demonstrate(device_name, interface_name):
''' Apply function 'interface_configuration_tuple' to the specified device/interface.'''
print('interface_configuration(' + device_name, interface_name, sep=', ', end=')\n')
print_table(interface_configuration_tuple(device_name, interface_name))
def main():
#device_list=settings.config['network_device']
device_list = settings.config['network_device']
connected_list = topology.connected_nodes()
if len(connected_list) != len(device_list):
print('not all devices are connected!')
return
device_1 = 'iosxrv-1'
device_2 = 'iosxrv-2'
device_3 = 'iosxrv-3'
device_4 = 'iosxrv-4'
device_5 = 'iosxrv-5'
device_6 = 'iosxrv-6'
device_7 = 'iosxrv-7'
device_8 = 'iosxrv-8'
interface_0 = 'GigabitEthernet0/0/0/0'
interface_1 = 'GigabitEthernet0/0/0/1'
interface_2 = 'GigabitEthernet0/0/0/2'
interface_3 = 'GigabitEthernet0/0/0/3'
interface_4 = 'GigabitEthernet0/0/0/4'
interface_5 = 'GigabitEthernet0/0/0/5'
interface_6 = 'GigabitEthernet0/0/0/6'
#change path for flow 1
destination_network = to_ip_network('100.0.0.0', '24')
prior_next_hop = '10.0.28.2'
second_next_hop = '10.0.18.1'
if (interface_configuration_tuple(device_2, interface_2).shutdown == False) & (interface_configuration_tuple(device_8, interface_2).shutdown == False):
link_status = 'up'
else:
link_status = 'down'
#loop
#for i in range(100):
while True:
#check the link
if (interface_configuration_tuple(device_2, interface_2).shutdown == False) & (interface_configuration_tuple(device_8, interface_2).shutdown == False):
new_status = 'up'
#print('link: device_2 <-> device_8 is OK')
else:
new_status = 'down'
#print('link: device_2 <-> device_8 is fail')
#link status unchange
if link_status == new_status:
print('device_2 <-> device_8 link status unchange')
time.sleep(1)
continue
#link status up -> down
elif (link_status == 'up') & (new_status == 'down'):
delete_static_route(device_8, destination_network, 1)
add_static_route(device_8, destination_network, second_next_hop, 1)
print('device_2 <-> device_8 link status from up to down: delete prior_route, add second_route, at last for 10s')
link_status = new_status
time.sleep(10)
#link status down -> up
elif (link_status == 'down') & (new_status == 'up'):
delete_static_route(device_8, destination_network, 1)
add_static_route(device_8, destination_network, prior_next_hop, 1)
print('device_2 <-> device_8 link status from down to up: delete second_route, add prior_route')
link_status = new_status
time.sleep(3)
def main():
device_list=settings.config['network_device']
connected_list = topology.connected_nodes()
if len(connected_list) != len(device_list):
print('not all devices are connected!')
return
device_1 = 'iosxrv-1'
device_2 = 'iosxrv-2'
device_3 = 'iosxrv-3'
device_4 = 'iosxrv-4'
device_5 = 'iosxrv-5'
device_6 = 'iosxrv-6'
device_7 = 'iosxrv-7'
device_8 = 'iosxrv-8'
interface_0 = 'GigabitEthernet0/0/0/0'
interface_1 = 'GigabitEthernet0/0/0/1'
interface_2 = 'GigabitEthernet0/0/0/2'
interface_3 = 'GigabitEthernet0/0/0/3'
interface_4 = 'GigabitEthernet0/0/0/4'
interface_5 = 'GigabitEthernet0/0/0/5'
interface_6 = 'GigabitEthernet0/0/0/6'
#link device_1 to device_2
initial = interface_configuration_tuple(device_1, interface_0)
#print_table(initial)
ip_address = '10.0.12.1'
ip_netmask = '255.255.255.0'
description = 'connect to device_2'
interface_configuration_update(device_1, initial.name, description=description, address=ip_address, netmask=ip_netmask, shutdown=False)
print_table(interface_configuration_tuple(device_1, interface_0))
#link device_2 to device_1
initial = interface_configuration_tuple(device_2, interface_0)
#print_table(initial)
ip_address = '10.0.12.2'
ip_netmask = '255.255.255.0'
description = 'connect to device_1'
interface_configuration_update(device_2, initial.name, description=description, address=ip_address, netmask=ip_netmask, shutdown=False)
print_table(interface_configuration_tuple(device_2, interface_0))
#display
print('set link device_1 <-> device_2')
#link device_1 to device_8
initial = interface_configuration_tuple(device_1, interface_5)
#print_table(initial)
ip_address = '10.0.18.1'
ip_netmask = '255.255.255.0'
description = 'connect to device_8'
interface_configuration_update(device_1, initial.name, description=description, address=ip_address, netmask=ip_netmask, shutdown=False)
print_table(interface_configuration_tuple(device_1, interface_5))
#link device_8 to device_1
initial = interface_configuration_tuple(device_8, interface_1)
#print_table(initial)
ip_address = '10.0.18.8'
ip_netmask = '255.255.255.0'
description = 'connect to device_1'
interface_configuration_update(device_8, initial.name, description=description, address=ip_address, netmask=ip_netmask, shutdown=False)
print_table(interface_configuration_tuple(device_8, interface_1))
#display
print('set link device_1 <-> device_8')
#link device_2 to device_8
initial = interface_configuration_tuple(device_2, interface_2)
#print_table(initial)
ip_address = '10.0.28.2'
ip_netmask = '255.255.255.0'
description = 'connect to device_8'
interface_configuration_update(device_2, initial.name, description=description, address=ip_address, netmask=ip_netmask, shutdown=False)
print_table(interface_configuration_tuple(device_2, interface_2))
#link device_8 to device_2
initial = interface_configuration_tuple(device_8, interface_2)
#print_table(initial)
ip_address = '10.0.28.8'
ip_netmask = '255.255.255.0'
description = 'connect to device_2'
interface_configuration_update(device_8, initial.name, description=description, address=ip_address, netmask=ip_netmask, shutdown=False)
print_table(interface_configuration_tuple(device_8, interface_2))
#display
print('set link device_2 <-> device_8')