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# Copyright (c) 2016 Cisco and/or its affiliates.
# 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.
"""Lisp utilities library."""
from resources.libraries.python.parsers.JsonParser import JsonParser
from resources.libraries.python.topology import Topology
from resources.libraries.python.VatExecutor import VatExecutor
class LispUtil(object):
"""Implements keywords for Lisp tests."""
def __init__(self):
pass
@staticmethod
def vpp_show_lisp_locator_set(node):
"""Get lisp locator_set from VPP node.
:param node: VPP node.
:type node: dict
:return: Lisp locator_set data as python list.
:rtype: list
"""
vat = VatExecutor()
vat.execute_script_json_out('lisp/show_lisp_locator_set.vat', node)
return JsonParser().parse_data(vat.get_script_stdout())
@staticmethod
def vpp_show_lisp_local_eid_table(node):
"""Get lisp local eid table from VPP node.
:param node: VPP node.
:type node: dict
:return: Lisp eid table as python list.
:rtype: list
"""
vat = VatExecutor()
vat.execute_script_json_out('lisp/show_lisp_local_eid_table.vat', node)
return JsonParser().parse_data(vat.get_script_stdout())
@staticmethod
def vpp_show_lisp_map_resolver(node):
"""Get lisp map resolver from VPP node.
:param node: VPP node.
:type node: dict
:return: Lisp map resolver as python list.
:rtype: list
"""
vat = VatExecutor()
vat.execute_script_json_out('lisp/show_lisp_map_resolver.vat', node)
return JsonParser().parse_data(vat.get_script_stdout())
@staticmethod
def lisp_should_be_equal(lisp_val1, lisp_val2):
"""Fail if the lisp values are not equal.
:param lisp_val1: First lisp value.
:param lisp_val2: Second lisp value.
:type lisp_val1: list
:type lisp_val2: list
"""
len1 = len(lisp_val1)
len2 = len(lisp_val2)
if len1 != len2:
raise RuntimeError('Values are not same. '
'Value 1 {} \n'
'Value 2 {}.'.format(lisp_val1,
lisp_val2))
for tmp in lisp_val1:
if tmp not in lisp_val2:
raise RuntimeError('Value {} is not find in vpp:\n'
'{}'.format(tmp, lisp_val2))
def lisp_locator_s_should_be_equal(self, locator_set1, locator_set2):
"""Fail if the lisp values are not equal.
:param locator_set1: Generate lisp value.
:param locator_set2: Lisp value from VPP.
:type locator_set1: dict
:type locator_set2: list
"""
reset_list = []
locator_set_list = []
for locator_set_type, item in locator_set1.iteritems():
if locator_set_type == 'normal':
self.lisp_should_be_equal(item, locator_set2)
elif locator_set_type == 'reset':
for locator_list in reversed(item):
name = locator_list.get('locator-set')
if name not in locator_set_list:
reset_list.insert(0, locator_list)
locator_set_list.append(name)
self.lisp_should_be_equal(reset_list, locator_set2)
else:
raise ValueError('Unknown locator_set_type value: '
'{}'.format(locator_set_type))
@staticmethod
def generate_lisp_locator_set_data(node, locator_set_number):
"""Generate a list of lisp locator_set we want set to VPP and
then check if is set correct.
"normal" type of data set locator_set just once.
:param node: VPP node.
:param locator_set_number: Generate n locator_set.
:type node: dict
:type locator_set_number: str
:return: dict of lisp locator_set.
:rtype: dict
"""
topo = Topology()
locator_set_list = []
i = 0
for num in range(0, int(locator_set_number)):
for interface in node['interfaces'].values():
link = interface.get('link')
i += 1
if link is None:
continue
if_name = topo.get_interface_by_link_name(node, link)
sw_if_index = topo.get_interface_sw_index(node, if_name)
if if_name is not None:
l_name = 'ls{0}'.format(num)
locator_set = {'locator-set': l_name,
'locator': sw_if_index,
'priority': i,
'weight': i}
locator_set_list.append(locator_set)
loc_type = {'normal': locator_set_list}
return loc_type
@staticmethod
def generate_lisp_locator_set_reset_data(node, locator_set_number):
"""Generate a list of lisp locator_set we want set to VPP and
then check if is set correct.
"reset" type of data set locator_set multiple times,
use to test reset locator_set in vpp.
:param node: VPP node.
:param locator_set_number: Generate n locator_set.
:type node: dict
:type locator_set_number: str
:return: dict of lisp locator_set.
:rtype: dict
"""
topo = Topology()
locator_set_list = []
for num in range(0, int(locator_set_number)):
for interface in node['interfaces'].values():
link = interface.get('link')
if link is None:
continue
if_name = topo.get_interface_by_link_name(node, link)
sw_if_index = topo.get_interface_sw_index(node, if_name)
if if_name is not None:
l_name = 'ls{0}'.format(num)
locator_set = {'locator-set': l_name,
'locator': sw_if_index,
'priority': 1,
'weight': 1}
locator_set_list.append(locator_set)
loc_type = {'reset': locator_set_list}
return loc_type
@staticmethod
def generate_lisp_local_eid_data(ipv4_num, ipv6_num):
"""Generate a list of lisp local eid we want set to VPP and
then check if is set correct.
:param ipv4_num: Generate n ipv4 eid address.
:param ipv6_num: Generate n ipv6 eid address.
:type ipv4_num: str
:type ipv6_num: str
:return: list of lisp local eid.
:rtype: list
"""
eid_table = []
for num in range(0, int(ipv4_num)):
addrr = '192.168.{}.1'.format(num)
eid = {'eid address': addrr,
'eid prefix len': 24,
'locator-set': 'ls1'}
eid_table.append(eid)
for num in range(0, int(ipv6_num)):
addrr = '10:{}::1'.format(num + 1)
eid = {'eid address': addrr,
'eid prefix len': 32,
'locator-set': 'ls1'}
eid_table.append(eid)
return eid_table
@staticmethod
def generate_lisp_map_resolver_data(ipv4_num, ipv6_num):
"""Generate a list of lisp map resolvers we want set to VPP and
then check if is set correct.
:param ipv4_num: Generate n ipv4 map resolver address.
:param ipv6_num: Generate n ipv6 map resolver address.
:type ipv4_num: str
:type ipv6_num: str
:return: list of lisp map resolver.
:rtype: list
"""
map_resolver = []
for i in range(0, int(ipv4_num)):
addr = '192.169.{}.1'.format(i)
resolver = {'map resolver': addr}
map_resolver.append(resolver)
for i in range(0, int(ipv6_num)):
addr = '12:{}::1'.format(i + 1)
resolver = {'map resolver': addr}
map_resolver.append(resolver)
return map_resolver
def lisp_is_empty(self, lisp_params):
"""Check if the input param are empty.
:param lisp_params: Should be empty list.
:type lisp_params: list
"""
self.lisp_should_be_equal([], lisp_params)
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