def management_interface(device_name):
'Return the name of the interface that is used to manage the specified network device.'
control = device_control(device_name)
if (not control):
return None
url_suffix = _configuration_multi_url_template % quote_plus(device_name)
response = odl_http_get(url_suffix,
'application/xml',
expected_status_code=[200, 400])
if response.status_code == 400:
return None # The specified device does not have interfaces.
if device_name in _network_device_config.keys():
device_address = _network_device_config[device_name]['address']
else:
device_address = None # Discovered or configured independently.
tree = etree.parse(StringIO(response.text))
for ifc in tree.xpath(
"/ifc:interface-configurations/ifc:interface-configuration",
namespaces=_interface_namespaces):
for ipv4 in ifc.xpath('ipv4c:ipv4-network/ipv4c:addresses/*',
namespaces=_interface_namespaces):
address = ipv4.findtext('ipv4c:address',
namespaces=_interface_namespaces)
netmask = ipv4.findtext('ipv4c:netmask',
namespaces=_interface_namespaces)
if address == control.address:
return ifc.findtext('ifc:interface-name',
namespaces=_interface_namespaces)
return None
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):
"""
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 test_device_mount(self):
device_names = inventory_unmounted()
self.assertTrue(device_names, "One or more devices must be configured.")
for device_name in device_names:
expected = mount_from_settings(device_name)
self.assertTrue(mounted(device_name), "Expected mounted: " + device_name)
actual = device_control(device_name)
self.assertEqual(device_name, actual.device_name)
self.assertEqual(expected.device_name, actual.device_name)
self.assertEqual(expected.address, actual.address)
self.assertEqual(expected.port, actual.port)
self.assertEqual(expected.username, actual.username)
self.assertEqual(expected.password, actual.password)
def test_device_mount(self):
device_names = inventory_unmounted()
self.assertTrue(device_names,
'One or more devices must be configured.')
for device_name in device_names:
expected = mount_from_settings(device_name)
self.assertTrue(mounted(device_name),
'Expected mounted: ' + device_name)
actual = device_control(device_name)
self.assertEqual(device_name, actual.device_name)
self.assertEqual(expected.device_name, actual.device_name)
self.assertEqual(expected.address, actual.address)
self.assertEqual(expected.port, actual.port)
self.assertEqual(expected.username, actual.username)
self.assertEqual(expected.password, actual.password)
def management_interface(device_name):
'Return the name of the interface that is used to manage the specified network device.'
control = device_control(device_name)
if(not control):
return None
response = odl_http_get(_configuration_multi_url_template, {'node-id' : device_name}, 'application/xml', expected_status_code=[200, 400])
if response.status_code == 400:
return None # The specified device does not have interfaces.
if device_name in _network_device_config.keys():
device_address = _network_device_config[device_name]['address']
else:
device_address = None # Discovered or configured independently.
tree = etree.parse(StringIO(response.text))
for ifc in tree.xpath("/ifc:interface-configurations/ifc:interface-configuration", namespaces=_interface_namespaces):
for ipv4 in ifc.xpath('ipv4c:ipv4-network/ipv4c:addresses/*', namespaces=_interface_namespaces):
address = ipv4.findtext('ipv4c:address', namespaces=_interface_namespaces)
netmask = ipv4.findtext('ipv4c:netmask', namespaces=_interface_namespaces)
if address == control.address:
return ifc.findtext('ifc:interface-name', namespaces=_interface_namespaces)
return None
def demonstrate(device_name):
''' Apply function 'device_control' to the specified device.'''
print('device_control(' + device_name, end=')\n')
print_table(device_control(device_name))
def demonstrate(device_name):
''' Apply function 'device_control' to the specified device.'''
print('device_control(' + device_name, end=')\n')
print_rich(device_control(device_name))
def demonstrate(device_name):
""" Apply function 'device_control' to the specified device."""
print("device_control(" + device_name, end=")\n")
print_table(device_control(device_name))
