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eos.py
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eos.py
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# Copyright 2015 Spotify AB. All rights reserved.
#
# The contents of this file are licensed under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with the
# License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
"""
Napalm driver for Arista EOS.
Read napalm.readthedocs.org for more information.
"""
from __future__ import print_function
from __future__ import unicode_literals
# std libs
import re
import time
from datetime import datetime
from collections import defaultdict
from netaddr import IPAddress
from netaddr import IPNetwork
from netaddr.core import AddrFormatError
# third party libs
import pyeapi
from pyeapi.eapilib import ConnectionError
# NAPALM base
import napalm_base.helpers
from napalm_base.base import NetworkDriver
from napalm_base.utils import string_parsers
from napalm_base.utils import py23_compat
from napalm_base.exceptions import ConnectionException, MergeConfigException, \
ReplaceConfigException, SessionLockedException, CommandErrorException
import napalm_base.constants as c
# local modules
# here add local imports
# e.g. import napalm_eos.helpers etc.
class EOSDriver(NetworkDriver):
"""Napalm driver for Arista EOS."""
SUPPORTED_OC_MODELS = []
_RE_BGP_INFO = re.compile('BGP neighbor is (?P<neighbor>.*?), remote AS (?P<as>.*?), .*') # noqa
_RE_BGP_RID_INFO = re.compile('.*BGP version 4, remote router ID (?P<rid>.*?), VRF (?P<vrf>.*?)$') # noqa
_RE_BGP_DESC = re.compile('\s+Description: (?P<description>.*?)')
_RE_BGP_LOCAL = re.compile('Local AS is (?P<as>.*?),.*')
_RE_BGP_PREFIX = re.compile('(\s*?)(?P<af>IPv[46]) Unicast:\s*(?P<sent>\d+)\s*(?P<received>\d+)') # noqa
_RE_SNMP_COMM = re.compile(r"""^snmp-server\s+community\s+(?P<community>\S+)
(\s+view\s+(?P<view>\S+))?(\s+(?P<access>ro|rw)?)
(\s+ipv6\s+(?P<v6_acl>\S+))?(\s+(?P<v4_acl>\S+))?$""", re.VERBOSE)
def __init__(self, hostname, username, password, timeout=60, optional_args=None):
"""Constructor."""
self.device = None
self.hostname = hostname
self.username = username
self.password = password
self.timeout = timeout
self.config_session = None
self.locked = False
if optional_args is None:
optional_args = {}
# eos_transport is there for backwards compatibility, transport is the preferred method
self.transport = optional_args.get('transport', optional_args.get('eos_transport', 'https'))
if self.transport == 'https':
self.port = optional_args.get('port', 443)
elif self.transport == 'http':
self.port = optional_args.get('port', 80)
self.enablepwd = optional_args.get('enable_password', '')
self.profile = ["eos"]
def open(self):
"""Implementation of NAPALM method open."""
try:
if self.transport in ('http', 'https'):
connection = pyeapi.client.connect(
transport=self.transport,
host=self.hostname,
username=self.username,
password=self.password,
port=self.port,
timeout=self.timeout
)
elif self.transport == 'socket':
connection = pyeapi.client.connect(transport=self.transport)
else:
raise ConnectionException("Unknown transport: {}".format(self.transport))
if self.device is None:
self.device = pyeapi.client.Node(connection, enablepwd=self.enablepwd)
# does not raise an Exception if unusable
# let's try to run a very simple command
self.device.run_commands(['show clock'], encoding='text')
except ConnectionError as ce:
# and this is raised either if device not avaiable
# either if HTTP(S) agent is not enabled
# show management api http-commands
raise ConnectionException(ce.message)
def close(self):
"""Implementation of NAPALM method close."""
self.discard_config()
def is_alive(self):
return {
'is_alive': True # always true as eAPI is HTTP-based
}
def _lock(self):
if self.config_session is None:
self.config_session = 'napalm_{}'.format(datetime.now().microsecond)
sess = self.device.run_commands(['show configuration sessions'])[0]['sessions']
if [k for k, v in sess.items() if v['state'] == 'pending' and k != self.config_session]:
raise SessionLockedException('Session is already in use')
def _load_config(self, filename=None, config=None, replace=True):
commands = []
self._lock()
commands.append('configure session {}'.format(self.config_session))
if replace:
commands.append('rollback clean-config')
if filename is not None:
with open(filename, 'r') as f:
lines = f.readlines()
else:
if isinstance(config, list):
lines = config
else:
lines = config.splitlines()
for line in lines:
line = line.strip()
if line == '':
continue
if line.startswith('!'):
continue
commands.append(line)
try:
self.device.run_commands(commands)
except pyeapi.eapilib.CommandError as e:
self.discard_config()
if replace:
raise ReplaceConfigException(e.message)
else:
raise MergeConfigException(e.message)
def load_replace_candidate(self, filename=None, config=None):
"""Implementation of NAPALM method load_replace_candidate."""
self._load_config(filename, config, True)
def load_merge_candidate(self, filename=None, config=None):
"""Implementation of NAPALM method load_merge_candidate."""
self._load_config(filename, config, False)
def compare_config(self):
"""Implementation of NAPALM method compare_config."""
if self.config_session is None:
return ''
else:
commands = ['show session-config named %s diffs' % self.config_session]
result = self.device.run_commands(commands, encoding='text')[0]['output']
result = '\n'.join(result.splitlines()[2:])
return result.strip()
def commit_config(self):
"""Implementation of NAPALM method commit_config."""
commands = []
commands.append('copy startup-config flash:rollback-0')
commands.append('configure session {}'.format(self.config_session))
commands.append('commit')
commands.append('write memory')
self.device.run_commands(commands)
self.config_session = None
def discard_config(self):
"""Implementation of NAPALM method discard_config."""
if self.config_session is not None:
commands = []
commands.append('configure session {}'.format(self.config_session))
commands.append('abort')
self.device.run_commands(commands)
self.config_session = None
def rollback(self):
"""Implementation of NAPALM method rollback."""
commands = []
commands.append('configure replace flash:rollback-0')
commands.append('write memory')
self.device.run_commands(commands)
def get_facts(self):
"""Implementation of NAPALM method get_facts."""
commands = []
commands.append('show version')
commands.append('show hostname')
commands.append('show interfaces')
result = self.device.run_commands(commands)
version = result[0]
hostname = result[1]
interfaces_dict = result[2]['interfaces']
uptime = time.time() - version['bootupTimestamp']
interfaces = [i for i in interfaces_dict.keys() if '.' not in i]
interfaces = string_parsers.sorted_nicely(interfaces)
return {
'hostname': hostname['hostname'],
'fqdn': hostname['fqdn'],
'vendor': u'Arista',
'model': version['modelName'],
'serial_number': version['serialNumber'],
'os_version': version['internalVersion'],
'uptime': int(uptime),
'interface_list': interfaces,
}
def get_interfaces(self):
commands = []
commands.append('show interfaces')
output = self.device.run_commands(commands)[0]
interfaces = {}
for interface, values in output['interfaces'].items():
interfaces[interface] = {}
if values['lineProtocolStatus'] == 'up':
interfaces[interface]['is_up'] = True
interfaces[interface]['is_enabled'] = True
else:
interfaces[interface]['is_up'] = False
if values['interfaceStatus'] == 'disabled':
interfaces[interface]['is_enabled'] = False
else:
interfaces[interface]['is_enabled'] = True
interfaces[interface]['description'] = values['description']
interfaces[interface]['last_flapped'] = values.pop('lastStatusChangeTimestamp', None)
interfaces[interface]['speed'] = int(values['bandwidth'] * 1e-6)
interfaces[interface]['mac_address'] = napalm_base.helpers.convert(
napalm_base.helpers.mac, values.pop('physicalAddress', u''))
return interfaces
def get_lldp_neighbors(self):
commands = []
commands.append('show lldp neighbors')
output = self.device.run_commands(commands)[0]['lldpNeighbors']
lldp = {}
for n in output:
if n['port'] not in lldp.keys():
lldp[n['port']] = []
lldp[n['port']].append(
{
'hostname': n['neighborDevice'],
'port': n['neighborPort'],
}
)
return lldp
def get_interfaces_counters(self):
commands = ['show interfaces']
output = self.device.run_commands(commands)
interface_counters = defaultdict(dict)
for interface, data in output[0]['interfaces'].items():
if data['hardware'] == 'subinterface':
# Subinterfaces will never have counters so no point in parsing them at all
continue
counters = data.get('interfaceCounters', {})
interface_counters[interface].update(
tx_octets=counters.get('outOctets', -1),
rx_octets=counters.get('inOctets', -1),
tx_unicast_packets=counters.get('outUcastPkts', -1),
rx_unicast_packets=counters.get('inUcastPkts', -1),
tx_multicast_packets=counters.get('outMulticastPkts', -1),
rx_multicast_packets=counters.get('inMulticastPkts', -1),
tx_broadcast_packets=counters.get('outBroadcastPkts', -1),
rx_broadcast_packets=counters.get('inBroadcastPkts', -1),
tx_discards=counters.get('outDiscards', -1),
rx_discards=counters.get('inDiscards', -1),
tx_errors=counters.get('totalOutErrors', -1),
rx_errors=counters.get('totalInErrors', -1)
)
return interface_counters
def get_bgp_neighbors(self):
def get_re_group(res, key, default=None):
""" Small helper to retrive data from re match groups"""
try:
return res.group(key)
except KeyError:
return default
NEIGHBOR_FILTER = 'bgp neighbors vrf all | include remote AS | remote router ID |IPv[46] Unicast:.*[0-9]+|^Local AS|Desc|BGP state' # noqa
output_summary_cmds = self.device.run_commands(
['show ipv6 bgp summary vrf all', 'show ip bgp summary vrf all'],
encoding='json')
output_neighbor_cmds = self.device.run_commands(
['show ip ' + NEIGHBOR_FILTER, 'show ipv6 ' + NEIGHBOR_FILTER],
encoding='text')
bgp_counters = defaultdict(lambda: dict(peers={}))
for summary in output_summary_cmds:
"""
Json output looks as follows
"vrfs": {
"default": {
"routerId": 1,
"asn": 1,
"peers": {
"1.1.1.1": {
"msgSent": 1,
"inMsgQueue": 0,
"prefixReceived": 3926,
"upDownTime": 1449501378.418644,
"version": 4,
"msgReceived": 59616,
"prefixAccepted": 3926,
"peerState": "Established",
"outMsgQueue": 0,
"underMaintenance": false,
"asn": 1
}
}
}
}
"""
for vrf, vrf_data in summary['vrfs'].items():
bgp_counters[vrf]['router_id'] = vrf_data['routerId']
for peer, peer_data in vrf_data['peers'].items():
if peer_data['peerState'] == 'Idle':
is_enabled = True if peer_data['peerStateIdleReason'] != 'Admin' else False
else:
is_enabled = True
peer_info = {
'is_up': peer_data['peerState'] == 'Established',
'is_enabled': is_enabled,
'uptime': int(time.time() - peer_data['upDownTime'])
}
bgp_counters[vrf]['peers'][napalm_base.helpers.ip(peer)] = peer_info
lines = []
[lines.extend(x['output'].splitlines()) for x in output_neighbor_cmds]
while lines:
"""
Raw output from the command looks like the following:
BGP neighbor is 1.1.1.1, remote AS 1, external link
Description: Very info such descriptive
BGP version 4, remote router ID 1.1.1.1, VRF my_vrf
BGP state is Idle, Administratively shut down
IPv4 Unicast: 683 78
IPv6 Unicast: 0 0
Local AS is 2, local router ID 2.2.2.2
"""
neighbor_info = re.match(self._RE_BGP_INFO, lines.pop(0))
# this line can be either description or rid info
next_line = lines.pop(0)
desc = re.match(self._RE_BGP_DESC, next_line)
if desc is None:
rid_info = re.match(self._RE_BGP_RID_INFO, next_line)
desc = ''
else:
rid_info = re.match(self._RE_BGP_RID_INFO, lines.pop(0))
desc = desc.group('description')
lines.pop(0)
v4_stats = re.match(self._RE_BGP_PREFIX, lines.pop(0))
v6_stats = re.match(self._RE_BGP_PREFIX, lines.pop(0))
local_as = re.match(self._RE_BGP_LOCAL, lines.pop(0))
data = {
'remote_as': int(neighbor_info.group('as')),
'remote_id': napalm_base.helpers.ip(get_re_group(rid_info, 'rid', '0.0.0.0')),
'local_as': int(local_as.group('as')),
'description': py23_compat.text_type(desc),
'address_family': {
'ipv4': {
'sent_prefixes': int(get_re_group(v4_stats, 'sent', -1)),
'received_prefixes': int(get_re_group(v4_stats, 'received', -1)),
'accepted_prefixes': -1
},
'ipv6': {
'sent_prefixes': int(get_re_group(v6_stats, 'sent', -1)),
'received_prefixes': int(get_re_group(v6_stats, 'received', -1)),
'accepted_prefixes': -1
}
}
}
peer_addr = napalm_base.helpers.ip(neighbor_info.group('neighbor'))
vrf = rid_info.group('vrf')
if peer_addr not in bgp_counters[vrf]['peers']:
bgp_counters[vrf]['peers'][peer_addr] = {
'is_up': False, # if not found, means it was not found in the oper stats
# i.e. neighbor down,
'uptime': 0,
'is_enabled': True
}
bgp_counters[vrf]['peers'][peer_addr].update(data)
if 'default' in bgp_counters:
bgp_counters['global'] = bgp_counters.pop('default')
return dict(bgp_counters)
def get_environment(self):
def extract_temperature_data(data):
for s in data:
temp = s['currentTemperature'] if 'currentTemperature' in s else 0.0
name = s['name']
values = {
'temperature': temp,
'is_alert': temp > s['overheatThreshold'],
'is_critical': temp > s['criticalThreshold']
}
yield name, values
sh_version_out = self.device.run_commands(['show version'])
is_veos = sh_version_out[0]['modelName'].lower() == 'veos'
commands = [
'show environment cooling',
'show environment temperature'
]
if not is_veos:
commands.append('show environment power')
fans_output, temp_output, power_output = self.device.run_commands(commands)
else:
fans_output, temp_output = self.device.run_commands(commands)
environment_counters = {
'fans': {},
'temperature': {},
'power': {},
'cpu': {}
}
cpu_output = self.device.run_commands(['show processes top once'],
encoding='text')[0]['output']
for slot in fans_output['fanTraySlots']:
environment_counters['fans'][slot['label']] = {'status': slot['status'] == 'ok'}
# First check FRU's
for fru_type in ['cardSlots', 'powerSupplySlots']:
for fru in temp_output[fru_type]:
t = {name: value for name, value in extract_temperature_data(fru['tempSensors'])}
environment_counters['temperature'].update(t)
# On board sensors
parsed = {n: v for n, v in extract_temperature_data(temp_output['tempSensors'])}
environment_counters['temperature'].update(parsed)
if not is_veos:
for psu, data in power_output['powerSupplies'].items():
environment_counters['power'][psu] = {
'status': data['state'] == 'ok',
'capacity': data['capacity'],
'output': data['outputPower']
}
cpu_lines = cpu_output.splitlines()
# Matches either of
# Cpu(s): 5.2%us, 1.4%sy, 0.0%ni, 92.2%id, 0.6%wa, 0.3%hi, 0.4%si, 0.0%st ( 4.16 > )
# %Cpu(s): 4.2 us, 0.9 sy, 0.0 ni, 94.6 id, 0.0 wa, 0.1 hi, 0.2 si, 0.0 st ( 4.16 < )
m = re.match('.*ni, (?P<idle>.*).id.*', cpu_lines[2])
environment_counters['cpu'][0] = {
'%usage': round(100 - float(m.group('idle')), 1)
}
# Matches either of
# Mem: 3844356k total, 3763184k used, 81172k free, 16732k buffers ( 4.16 > )
# KiB Mem: 32472080 total, 5697604 used, 26774476 free, 372052 buffers ( 4.16 < )
mem_regex = '.*total,\s+(?P<used>\d+)[k\s]+used,\s+(?P<free>\d+)[k\s]+free,.*'
m = re.match(mem_regex, cpu_lines[3])
environment_counters['memory'] = {
'available_ram': int(m.group('free')),
'used_ram': int(m.group('used'))
}
return environment_counters
def get_lldp_neighbors_detail(self, interface=''):
lldp_neighbors_out = {}
filters = []
if interface:
filters.append(interface)
commands = []
commands.append(
'show lldp neighbors {filters} detail'.format(
filters=' '.join(filters)
)
)
lldp_neighbors_in = {}
lldp_neighbors_in = self.device.run_commands(commands)[0].get('lldpNeighbors', {})
for interface in lldp_neighbors_in:
interface_neighbors = lldp_neighbors_in.get(interface).get('lldpNeighborInfo', {})
if not interface_neighbors:
# in case of empty infos
continue
# it is provided a list of neighbors per interface
for neighbor in interface_neighbors:
if interface not in lldp_neighbors_out.keys():
lldp_neighbors_out[interface] = []
capabilities = neighbor.get('systemCapabilities', {})
capabilities_list = list(capabilities.keys())
capabilities_list.sort()
remote_chassis_id = neighbor.get('chassisId', u'')
if neighbor.get("chassisIdType", u'') == "macAddress":
remote_chassis_id = napalm_base.helpers.mac(remote_chassis_id)
lldp_neighbors_out[interface].append(
{
'parent_interface': interface, # no parent interfaces
'remote_port':
neighbor.get('neighborInterfaceInfo', {}).get('interfaceId', u''),
'remote_port_description': u'',
'remote_system_name': neighbor.get('systemName', u''),
'remote_system_description': neighbor.get('systemDescription', u''),
'remote_chassis_id': remote_chassis_id,
'remote_system_capab': py23_compat.text_type(', '.join(capabilities_list)),
'remote_system_enable_capab': py23_compat.text_type(', '.join(
[capability for capability in capabilities_list
if capabilities[capability]]))
}
)
return lldp_neighbors_out
def cli(self, commands):
cli_output = {}
if type(commands) is not list:
raise TypeError('Please enter a valid list of commands!')
for command in commands:
try:
cli_output[py23_compat.text_type(command)] = self.device.run_commands(
[command], encoding='text')[0].get('output')
# not quite fair to not exploit rum_commands
# but at least can have better control to point to wrong command in case of failure
except pyeapi.eapilib.CommandError:
# for sure this command failed
cli_output[py23_compat.text_type(command)] = 'Invalid command: "{cmd}"'.format(
cmd=command
)
raise CommandErrorException(str(cli_output))
except Exception as e:
# something bad happened
msg = 'Unable to execute command "{cmd}": {err}'.format(cmd=command, err=e)
cli_output[py23_compat.text_type(command)] = msg
raise CommandErrorException(str(cli_output))
return cli_output
def get_bgp_config(self, group='', neighbor=''):
"""Implementation of NAPALM method get_bgp_config."""
_GROUP_FIELD_MAP_ = {
'type': 'type',
'multipath': 'multipath',
'apply-groups': 'apply_groups',
'remove-private-as': 'remove_private_as',
'ebgp-multihop': 'multihop_ttl',
'remote-as': 'remote_as',
'local-v4-addr': 'local_address',
'local-v6-addr': 'local_address',
'local-as': 'local_as',
'description': 'description',
'import-policy': 'import_policy',
'export-policy': 'export_policy'
}
_PEER_FIELD_MAP_ = {
'description': 'description',
'remote-as': 'remote_as',
'local-v4-addr': 'local_address',
'local-v6-addr': 'local_address',
'local-as': 'local_as',
'next-hop-self': 'nhs',
'route-reflector-client': 'route_reflector_client',
'description': 'description',
'import-policy': 'import_policy',
'export-policy': 'export_policy',
'passwd': 'authentication_key'
}
_PROPERTY_FIELD_MAP_ = _GROUP_FIELD_MAP_.copy()
_PROPERTY_FIELD_MAP_.update(_PEER_FIELD_MAP_)
_PROPERTY_TYPE_MAP_ = {
# used to determine the default value
# and cast the values
'remote-as': int,
'ebgp-multihop': int,
'local-v4-addr': py23_compat.text_type,
'local-v6-addr': py23_compat.text_type,
'local-as': int,
'remove-private-as': bool,
'next-hop-self': bool,
'description': py23_compat.text_type,
'route-reflector-client': bool,
'password': py23_compat.text_type,
'route-map': py23_compat.text_type,
'apply-groups': list,
'type': py23_compat.text_type,
'import-policy': py23_compat.text_type,
'export-policy': py23_compat.text_type,
'multipath': bool
}
_DATATYPE_DEFAULT_ = {
py23_compat.text_type: '',
int: 0,
bool: False,
list: []
}
def default_group_dict(local_as):
group_dict = {}
group_dict.update({
key: _DATATYPE_DEFAULT_.get(_PROPERTY_TYPE_MAP_.get(prop))
for prop, key in _GROUP_FIELD_MAP_.items()
})
group_dict.update({
'prefix_limit': {},
'neighbors': {},
'local_as': local_as
}) # few more default values
return group_dict
def default_neighbor_dict(local_as):
neighbor_dict = {}
neighbor_dict.update({
key: _DATATYPE_DEFAULT_.get(_PROPERTY_TYPE_MAP_.get(prop))
for prop, key in _PEER_FIELD_MAP_.items()
}) # populating with default values
neighbor_dict.update({
'prefix_limit': {},
'local_as': local_as,
'authentication_key': u''
}) # few more default values
return neighbor_dict
def parse_options(options, default_value=False):
if not options:
return {}
config_property = options[0]
field_name = _PROPERTY_FIELD_MAP_.get(config_property)
field_type = _PROPERTY_TYPE_MAP_.get(config_property)
field_value = _DATATYPE_DEFAULT_.get(field_type) # to get the default value
if not field_type:
# no type specified at all => return empty dictionary
return {}
if not default_value:
if len(options) > 1:
field_value = napalm_base.helpers.convert(field_type,
options[1],
_DATATYPE_DEFAULT_.get(field_type))
else:
if field_type is bool:
field_value = True
if field_name is not None:
return {field_name: field_value}
elif config_property in ['route-map', 'password']:
# do not respect the pattern neighbor [IP_ADDRESS] [PROPERTY] [VALUE]
# or need special output (e.g.: maximum-routes)
if config_property == 'password':
return {'authentication_key': py23_compat.text_type(options[2])}
# returns the MD5 password
if config_property == 'route-map':
direction = None
if len(options) == 3:
direction = options[2]
field_value = field_type(options[1]) # the name of the policy
elif len(options) == 2:
direction = options[1]
if direction == 'in':
field_name = 'import_policy'
else:
field_name = 'export_policy'
return {field_name: field_value}
return {}
bgp_config = {}
commands = []
commands.append('show running-config | section router bgp')
bgp_conf = self.device.run_commands(commands, encoding='text')[0].get('output', '\n\n')
bgp_conf_lines = bgp_conf.splitlines()
bgp_neighbors = {}
if not group:
neighbor = '' # noqa
local_as = 0
bgp_neighbors = {}
for bgp_conf_line in bgp_conf_lines:
default_value = False
bgp_conf_line = bgp_conf_line.strip()
if bgp_conf_line.startswith('router bgp'):
local_as = int(bgp_conf_line.replace('router bgp', '').strip())
continue
if not (bgp_conf_line.startswith('neighbor') or
bgp_conf_line.startswith('no neighbor')):
continue
if bgp_conf_line.startswith('no'):
default_value = True
bgp_conf_line = bgp_conf_line.replace('no neighbor ', '').replace('neighbor ', '')
bgp_conf_line_details = bgp_conf_line.split()
group_or_neighbor = py23_compat.text_type(bgp_conf_line_details[0])
options = bgp_conf_line_details[1:]
try:
# will try to parse the neighbor name
# which sometimes is the IP Address of the neigbor
# or the name of the BGP group
IPAddress(group_or_neighbor)
# if passes the test => it is an IP Address, thus a Neighbor!
peer_address = group_or_neighbor
if peer_address not in bgp_neighbors:
bgp_neighbors[peer_address] = default_neighbor_dict(local_as)
if options[0] == 'peer-group':
bgp_neighbors[peer_address]['__group'] = options[1]
# in the config, neighbor details are lister after
# the group is specified for the neighbor:
#
# neighbor 192.168.172.36 peer-group 4-public-anycast-peers
# neighbor 192.168.172.36 remote-as 12392
# neighbor 192.168.172.36 maximum-routes 200
#
# because the lines are parsed sequentially
# can use the last group detected
# that way we avoid one more loop to
# match the neighbors with the group they belong to
# directly will apend the neighbor in the neighbor list of the group at the end
bgp_neighbors[peer_address].update(
parse_options(options, default_value)
)
except AddrFormatError:
# exception trying to parse group name
# group_or_neighbor represents the name of the group
group_name = group_or_neighbor
if group and group_name != group:
continue
if group_name not in bgp_config.keys():
bgp_config[group_name] = default_group_dict(local_as)
bgp_config[group_name].update(
parse_options(options, default_value)
)
for peer, peer_details in bgp_neighbors.items():
peer_group = peer_details.pop('__group', None)
if not peer_group:
peer_group = '_'
if peer_group not in bgp_config:
bgp_config[peer_group] = default_group_dict(local_as)
bgp_config[peer_group]['neighbors'][peer] = peer_details
return bgp_config
def get_arp_table(self):
arp_table = []
commands = ['show arp']
ipv4_neighbors = []
try:
ipv4_neighbors = self.device.run_commands(commands)[0].get('ipV4Neighbors', [])
except pyeapi.eapilib.CommandError:
return []
for neighbor in ipv4_neighbors:
interface = py23_compat.text_type(neighbor.get('interface'))
mac_raw = neighbor.get('hwAddress')
ip = py23_compat.text_type(neighbor.get('address'))
age = float(neighbor.get('age'))
arp_table.append(
{
'interface': interface,
'mac': napalm_base.helpers.mac(mac_raw),
'ip': napalm_base.helpers.ip(ip),
'age': age
}
)
return arp_table
def get_ntp_servers(self):
commands = ['show running-config | section ntp']
raw_ntp_config = self.device.run_commands(commands, encoding='text')[0].get('output', '')
ntp_config = napalm_base.helpers.textfsm_extractor(self, 'ntp_peers', raw_ntp_config)
return {py23_compat.text_type(ntp_peer.get('ntppeer')): {}
for ntp_peer in ntp_config if ntp_peer.get('ntppeer', '')}
def get_ntp_stats(self):
ntp_stats = []
REGEX = (
'^\s?(\+|\*|x|-)?([a-zA-Z0-9\.+-:]+)'
'\s+([a-zA-Z0-9\.]+)\s+([0-9]{1,2})'
'\s+(-|u)\s+([0-9h-]+)\s+([0-9]+)'
'\s+([0-9]+)\s+([0-9\.]+)\s+([0-9\.-]+)'
'\s+([0-9\.]+)\s?$'
)
commands = []
commands.append('show ntp associations')
# output = self.device.run_commands(commands)
# pyeapi.eapilib.CommandError: CLI command 2 of 2 'show ntp associations'
# failed: unconverted command
# JSON output not yet implemented...
ntp_assoc = self.device.run_commands(commands, encoding='text')[0].get('output', '\n\n')
ntp_assoc_lines = ntp_assoc.splitlines()[2:]
for ntp_assoc in ntp_assoc_lines:
line_search = re.search(REGEX, ntp_assoc, re.I)
if not line_search:
continue # pattern not found
line_groups = line_search.groups()
try:
ntp_stats.append({
'remote': py23_compat.text_type(line_groups[1]),
'synchronized': (line_groups[0] == '*'),
'referenceid': py23_compat.text_type(line_groups[2]),
'stratum': int(line_groups[3]),
'type': py23_compat.text_type(line_groups[4]),
'when': py23_compat.text_type(line_groups[5]),
'hostpoll': int(line_groups[6]),
'reachability': int(line_groups[7]),
'delay': float(line_groups[8]),
'offset': float(line_groups[9]),
'jitter': float(line_groups[10])
})
except Exception:
continue # jump to next line
return ntp_stats
def get_interfaces_ip(self):
interfaces_ip = {}
interfaces_ipv4_out = self.device.run_commands(['show ip interface'])[0]['interfaces']
try:
interfaces_ipv6_out = self.device.run_commands(['show ipv6 interface'])[0]['interfaces']
except pyeapi.eapilib.CommandError as e:
if 'No IPv6 configured interfaces' in e.message:
interfaces_ipv6_out = {}
else:
raise
for interface_name, interface_details in interfaces_ipv4_out.items():
ipv4_list = []
if interface_name not in interfaces_ip.keys():
interfaces_ip[interface_name] = {}
if u'ipv4' not in interfaces_ip.get(interface_name):
interfaces_ip[interface_name][u'ipv4'] = {}
if u'ipv6' not in interfaces_ip.get(interface_name):
interfaces_ip[interface_name][u'ipv6'] = {}
iface_details = interface_details.get('interfaceAddress', {})
if iface_details.get('primaryIp', {}).get('address') != '0.0.0.0':
ipv4_list.append(
{
'address': napalm_base.helpers.ip(iface_details.get(
'primaryIp', {}).get('address')),
'masklen': iface_details.get('primaryIp', {}).get('maskLen')
}
)
for secondary_ip in iface_details.get('secondaryIpsOrderedList', []):
ipv4_list.append(
{
'address': napalm_base.helpers.ip(secondary_ip.get('address')),
'masklen': secondary_ip.get('maskLen')
}
)
for ip in ipv4_list:
if not ip.get('address'):
continue
if ip.get('address') not in interfaces_ip.get(interface_name).get(u'ipv4'):
interfaces_ip[interface_name][u'ipv4'][ip.get('address')] = {
u'prefix_length': ip.get('masklen')
}
for interface_name, interface_details in interfaces_ipv6_out.items():
ipv6_list = []
if interface_name not in interfaces_ip.keys():
interfaces_ip[interface_name] = {}
if u'ipv4' not in interfaces_ip.get(interface_name):
interfaces_ip[interface_name][u'ipv4'] = {}
if u'ipv6' not in interfaces_ip.get(interface_name):
interfaces_ip[interface_name][u'ipv6'] = {}
ipv6_list.append(
{
'address': napalm_base.helpers.convert(
napalm_base.helpers.ip, interface_details.get('linkLocal', {})
.get('address')),
'masklen': int(
interface_details.get('linkLocal', {}).get('subnet', '::/0').split('/')[-1])
# when no link-local set, address will be None and maslken 0
}
)
for address in interface_details.get('addresses'):
ipv6_list.append(
{
'address': napalm_base.helpers.ip(address.get('address')),
'masklen': int(address.get('subnet').split('/')[-1])
}
)
for ip in ipv6_list:
if not ip.get('address'):
continue
if ip.get('address') not in interfaces_ip.get(interface_name).get(u'ipv6'):
interfaces_ip[interface_name][u'ipv6'][ip.get('address')] = {
u'prefix_length': ip.get('masklen')
}
return interfaces_ip
def get_mac_address_table(self):
mac_table = []
commands = ['show mac address-table']
mac_entries = []
try:
mac_entries = self.device.run_commands(commands)[0].get(
'unicastTable', {}).get('tableEntries', [])
except Exception:
return {}
for mac_entry in mac_entries:
vlan = mac_entry.get('vlanId')
interface = mac_entry.get('interface')
mac_raw = mac_entry.get('macAddress')
static = (mac_entry.get('entryType') == 'static')
last_move = mac_entry.get('lastMove', 0.0)
moves = mac_entry.get('moves', 0)
mac_table.append(
{
'mac': napalm_base.helpers.mac(mac_raw),
'interface': interface,
'vlan': vlan,
'active': True,
'static': static,
'moves': moves,
'last_move': last_move
}
)
return mac_table
def get_route_to(self, destination='', protocol=''):
routes = {}
# Placeholder for vrf arg
vrf = ''