2016-12-20 17:32:45 +01:00
|
|
|
#!/usr/bin/env python
|
|
|
|
"""IP6 VRF Multi-instance Test Case HLD:
|
|
|
|
|
|
|
|
**NOTES:**
|
|
|
|
- higher number of pg-ip6 interfaces causes problems => only 15 pg-ip6 \
|
|
|
|
interfaces in 5 VRFs are tested
|
|
|
|
- jumbo packets in configuration with 15 pg-ip6 interfaces leads to \
|
|
|
|
problems too
|
|
|
|
|
|
|
|
**config 1**
|
|
|
|
- add 15 pg-ip6 interfaces
|
|
|
|
- configure 5 hosts per pg-ip6 interface
|
|
|
|
- configure 4 VRFs
|
|
|
|
- add 3 pg-ip6 interfaces per VRF
|
|
|
|
|
|
|
|
**test 1**
|
|
|
|
- send IP6 packets between all pg-ip6 interfaces in all VRF groups
|
|
|
|
|
|
|
|
**verify 1**
|
2018-05-01 05:17:55 -07:00
|
|
|
- check VRF data by parsing output of ip_route_dump API command
|
2018-06-21 16:57:47 +02:00
|
|
|
- all packets received correctly in case of pg-ip6 interfaces in the same
|
|
|
|
VRF
|
2016-12-20 17:32:45 +01:00
|
|
|
- no packet received in case of pg-ip6 interfaces not in VRF
|
2018-06-21 16:57:47 +02:00
|
|
|
- no packet received in case of pg-ip6 interfaces in different VRFs
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
**config 2**
|
2017-02-23 15:01:29 +01:00
|
|
|
- reset 2 VRFs
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
**test 2**
|
|
|
|
- send IP6 packets between all pg-ip6 interfaces in all VRF groups
|
|
|
|
|
|
|
|
**verify 2**
|
2018-05-01 05:17:55 -07:00
|
|
|
- check VRF data by parsing output of ip_route_dump API command
|
2018-06-21 16:57:47 +02:00
|
|
|
- all packets received correctly in case of pg-ip6 interfaces in the same
|
|
|
|
VRF
|
2016-12-20 17:32:45 +01:00
|
|
|
- no packet received in case of pg-ip6 interfaces not in VRF
|
2018-06-21 16:57:47 +02:00
|
|
|
- no packet received in case of pg-ip6 interfaces in different VRFs
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
**config 3**
|
2017-02-23 15:01:29 +01:00
|
|
|
- add 1 of reset VRFs and 1 new VRF
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
**test 3**
|
|
|
|
- send IP6 packets between all pg-ip6 interfaces in all VRF groups
|
|
|
|
|
|
|
|
**verify 3**
|
2018-05-01 05:17:55 -07:00
|
|
|
- check VRF data by parsing output of ip_route_dump API command
|
2018-06-21 16:57:47 +02:00
|
|
|
- all packets received correctly in case of pg-ip6 interfaces in the same
|
|
|
|
VRF
|
2016-12-20 17:32:45 +01:00
|
|
|
- no packet received in case of pg-ip6 interfaces not in VRF
|
2018-06-21 16:57:47 +02:00
|
|
|
- no packet received in case of pg-ip6 interfaces in different VRFs
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
**config 4**
|
2017-02-23 15:01:29 +01:00
|
|
|
- reset all VRFs (i.e. no VRF except VRF=0 created)
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
**test 4**
|
|
|
|
- send IP6 packets between all pg-ip6 interfaces in all VRF groups
|
|
|
|
|
|
|
|
**verify 4**
|
2018-05-01 05:17:55 -07:00
|
|
|
- check VRF data by parsing output of ip_route_dump API command
|
2018-06-21 16:57:47 +02:00
|
|
|
- all packets received correctly in case of pg-ip6 interfaces in the same
|
|
|
|
VRF
|
2016-12-20 17:32:45 +01:00
|
|
|
- no packet received in case of pg-ip6 interfaces not in VRF
|
2018-06-21 16:57:47 +02:00
|
|
|
- no packet received in case of pg-ip6 interfaces in different VRFs
|
2016-12-20 17:32:45 +01:00
|
|
|
"""
|
|
|
|
|
|
|
|
import unittest
|
|
|
|
import random
|
2017-02-23 15:01:29 +01:00
|
|
|
import socket
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
from scapy.packet import Raw
|
|
|
|
from scapy.layers.l2 import Ether
|
2017-02-23 15:01:29 +01:00
|
|
|
from scapy.layers.inet6 import UDP, IPv6, ICMPv6ND_NS, ICMPv6ND_RA, \
|
|
|
|
RouterAlert, IPv6ExtHdrHopByHop
|
|
|
|
from scapy.utils6 import in6_ismaddr, in6_isllsnmaddr, in6_getAddrType
|
|
|
|
from scapy.pton_ntop import inet_ntop
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
from framework import VppTestCase, VppTestRunner
|
|
|
|
from util import ppp
|
2017-02-27 10:46:14 +01:00
|
|
|
from vrf import VRFState
|
2017-02-23 15:01:29 +01:00
|
|
|
|
|
|
|
|
|
|
|
def is_ipv6_misc_ext(p):
|
|
|
|
""" Is packet one of uninteresting IPv6 broadcasts (extended to filter out
|
|
|
|
ICMPv6 Neighbor Discovery - Neighbor Advertisement packets too)? """
|
|
|
|
if p.haslayer(ICMPv6ND_RA):
|
|
|
|
if in6_ismaddr(p[IPv6].dst):
|
|
|
|
return True
|
|
|
|
if p.haslayer(ICMPv6ND_NS):
|
|
|
|
if in6_isllsnmaddr(p[IPv6].dst):
|
|
|
|
return True
|
|
|
|
if p.haslayer(IPv6ExtHdrHopByHop):
|
|
|
|
for o in p[IPv6ExtHdrHopByHop].options:
|
|
|
|
if isinstance(o, RouterAlert):
|
|
|
|
return True
|
|
|
|
return False
|
|
|
|
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
class TestIP6VrfMultiInst(VppTestCase):
|
|
|
|
""" IP6 VRF Multi-instance Test Case """
|
|
|
|
|
|
|
|
@classmethod
|
|
|
|
def setUpClass(cls):
|
|
|
|
"""
|
|
|
|
Perform standard class setup (defined by class method setUpClass in
|
|
|
|
class VppTestCase) before running the test case, set test case related
|
|
|
|
variables and configure VPP.
|
|
|
|
"""
|
|
|
|
super(TestIP6VrfMultiInst, cls).setUpClass()
|
|
|
|
|
|
|
|
# Test variables
|
|
|
|
cls.hosts_per_pg = 5
|
|
|
|
cls.nr_of_vrfs = 5
|
|
|
|
cls.pg_ifs_per_vrf = 3
|
|
|
|
|
|
|
|
try:
|
|
|
|
# Create pg interfaces
|
|
|
|
cls.create_pg_interfaces(
|
|
|
|
range(cls.nr_of_vrfs * cls.pg_ifs_per_vrf))
|
|
|
|
|
|
|
|
# Packet flows mapping pg0 -> pg1, pg2 etc.
|
|
|
|
cls.flows = dict()
|
|
|
|
for i in range(len(cls.pg_interfaces)):
|
|
|
|
multiplicand = i / cls.pg_ifs_per_vrf
|
|
|
|
pg_list = [
|
|
|
|
cls.pg_interfaces[multiplicand * cls.pg_ifs_per_vrf + j]
|
|
|
|
for j in range(cls.pg_ifs_per_vrf)
|
|
|
|
if (multiplicand * cls.pg_ifs_per_vrf + j) != i]
|
|
|
|
cls.flows[cls.pg_interfaces[i]] = pg_list
|
|
|
|
|
|
|
|
# Packet sizes - jumbo packet (9018 bytes) skipped
|
|
|
|
cls.pg_if_packet_sizes = [64, 512, 1518]
|
|
|
|
|
|
|
|
# Set up all interfaces
|
|
|
|
for pg_if in cls.pg_interfaces:
|
|
|
|
pg_if.admin_up()
|
|
|
|
pg_if.generate_remote_hosts(cls.hosts_per_pg)
|
|
|
|
|
|
|
|
# Create list of VRFs
|
|
|
|
cls.vrf_list = list()
|
|
|
|
|
2017-02-23 15:01:29 +01:00
|
|
|
# Create list of reset VRFs
|
|
|
|
cls.vrf_reset_list = list()
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
# Create list of pg_interfaces in VRFs
|
|
|
|
cls.pg_in_vrf = list()
|
|
|
|
|
2018-06-21 16:57:47 +02:00
|
|
|
# Create list of pg_interfaces not in VRFs
|
2016-12-20 17:32:45 +01:00
|
|
|
cls.pg_not_in_vrf = [pg_if for pg_if in cls.pg_interfaces]
|
|
|
|
|
|
|
|
# Create mapping of pg_interfaces to VRF IDs
|
|
|
|
cls.pg_if_by_vrf_id = dict()
|
|
|
|
for i in range(cls.nr_of_vrfs):
|
|
|
|
vrf_id = i + 1
|
|
|
|
pg_list = [
|
|
|
|
cls.pg_interfaces[i * cls.pg_ifs_per_vrf + j]
|
|
|
|
for j in range(cls.pg_ifs_per_vrf)]
|
|
|
|
cls.pg_if_by_vrf_id[vrf_id] = pg_list
|
|
|
|
|
|
|
|
except Exception:
|
|
|
|
super(TestIP6VrfMultiInst, cls).tearDownClass()
|
|
|
|
raise
|
|
|
|
|
2019-03-12 19:23:27 -07:00
|
|
|
@classmethod
|
|
|
|
def tearDownClass(cls):
|
|
|
|
super(TestIP6VrfMultiInst, cls).tearDownClass()
|
|
|
|
|
2016-12-20 17:32:45 +01:00
|
|
|
def setUp(self):
|
|
|
|
"""
|
|
|
|
Clear trace and packet infos before running each test.
|
|
|
|
"""
|
|
|
|
super(TestIP6VrfMultiInst, self).setUp()
|
|
|
|
self.reset_packet_infos()
|
|
|
|
|
|
|
|
def tearDown(self):
|
|
|
|
"""
|
|
|
|
Show various debug prints after each test.
|
|
|
|
"""
|
|
|
|
super(TestIP6VrfMultiInst, self).tearDown()
|
2019-03-13 09:23:05 -07:00
|
|
|
|
|
|
|
def show_commands_at_teardown(self):
|
|
|
|
self.logger.info(self.vapi.ppcli("show ip6 fib"))
|
|
|
|
self.logger.info(self.vapi.ppcli("show ip6 neighbors"))
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
def create_vrf_and_assign_interfaces(self, count, start=1):
|
|
|
|
"""
|
2018-06-21 16:57:47 +02:00
|
|
|
Create required number of FIB tables / VRFs, put 3 pg-ip6 interfaces
|
2016-12-20 17:32:45 +01:00
|
|
|
to every FIB table / VRF.
|
|
|
|
|
|
|
|
:param int count: Number of FIB tables / VRFs to be created.
|
|
|
|
:param int start: Starting number of the FIB table / VRF ID. \
|
|
|
|
(Default value = 1)
|
|
|
|
"""
|
|
|
|
for i in range(count):
|
|
|
|
vrf_id = i + start
|
|
|
|
pg_if = self.pg_if_by_vrf_id[vrf_id][0]
|
2017-02-27 10:46:14 +01:00
|
|
|
dest_addr = pg_if.local_ip6n
|
2016-12-20 17:32:45 +01:00
|
|
|
dest_addr_len = 64
|
2019-03-05 16:58:24 +01:00
|
|
|
self.vapi.ip_table_add_del(is_ipv6=1, is_add=1, table_id=vrf_id)
|
2016-12-20 17:32:45 +01:00
|
|
|
self.logger.info("IPv6 VRF ID %d created" % vrf_id)
|
|
|
|
if vrf_id not in self.vrf_list:
|
|
|
|
self.vrf_list.append(vrf_id)
|
2017-02-23 15:01:29 +01:00
|
|
|
if vrf_id in self.vrf_reset_list:
|
|
|
|
self.vrf_reset_list.remove(vrf_id)
|
2016-12-20 17:32:45 +01:00
|
|
|
for j in range(self.pg_ifs_per_vrf):
|
|
|
|
pg_if = self.pg_if_by_vrf_id[vrf_id][j]
|
|
|
|
pg_if.set_table_ip6(vrf_id)
|
|
|
|
self.logger.info("pg-interface %s added to IPv6 VRF ID %d"
|
|
|
|
% (pg_if.name, vrf_id))
|
|
|
|
if pg_if not in self.pg_in_vrf:
|
|
|
|
self.pg_in_vrf.append(pg_if)
|
|
|
|
if pg_if in self.pg_not_in_vrf:
|
|
|
|
self.pg_not_in_vrf.remove(pg_if)
|
|
|
|
pg_if.config_ip6()
|
|
|
|
pg_if.disable_ipv6_ra()
|
2017-02-25 04:20:00 -08:00
|
|
|
pg_if.configure_ipv6_neighbors()
|
2016-12-20 17:32:45 +01:00
|
|
|
self.logger.debug(self.vapi.ppcli("show ip6 fib"))
|
|
|
|
self.logger.debug(self.vapi.ppcli("show ip6 neighbors"))
|
|
|
|
|
2017-02-27 10:46:14 +01:00
|
|
|
def reset_vrf_and_remove_from_vrf_list(self, vrf_id):
|
2016-12-20 17:32:45 +01:00
|
|
|
"""
|
2017-02-27 10:46:14 +01:00
|
|
|
Reset required FIB table / VRF and remove it from VRF list.
|
2016-12-20 17:32:45 +01:00
|
|
|
|
2017-02-23 15:01:29 +01:00
|
|
|
:param int vrf_id: The FIB table / VRF ID to be reset.
|
2016-12-20 17:32:45 +01:00
|
|
|
"""
|
|
|
|
# self.vapi.reset_vrf(vrf_id, is_ipv6=1)
|
|
|
|
self.vapi.reset_fib(vrf_id, is_ipv6=1)
|
|
|
|
if vrf_id in self.vrf_list:
|
|
|
|
self.vrf_list.remove(vrf_id)
|
2017-02-23 15:01:29 +01:00
|
|
|
if vrf_id not in self.vrf_reset_list:
|
|
|
|
self.vrf_reset_list.append(vrf_id)
|
2016-12-20 17:32:45 +01:00
|
|
|
for j in range(self.pg_ifs_per_vrf):
|
|
|
|
pg_if = self.pg_if_by_vrf_id[vrf_id][j]
|
2017-02-13 23:20:04 -08:00
|
|
|
pg_if.unconfig_ip6()
|
2016-12-20 17:32:45 +01:00
|
|
|
if pg_if in self.pg_in_vrf:
|
|
|
|
self.pg_in_vrf.remove(pg_if)
|
|
|
|
if pg_if not in self.pg_not_in_vrf:
|
|
|
|
self.pg_not_in_vrf.append(pg_if)
|
2017-02-27 10:46:14 +01:00
|
|
|
self.logger.info("IPv6 VRF ID %d reset finished" % vrf_id)
|
2016-12-20 17:32:45 +01:00
|
|
|
self.logger.debug(self.vapi.ppcli("show ip6 fib"))
|
|
|
|
self.logger.debug(self.vapi.ppcli("show ip6 neighbors"))
|
2019-03-05 16:58:24 +01:00
|
|
|
self.vapi.ip_table_add_del(is_ipv6=1, is_add=0, table_id=vrf_id)
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
def create_stream(self, src_if, packet_sizes):
|
|
|
|
"""
|
|
|
|
Create input packet stream for defined interface using hosts list.
|
|
|
|
|
|
|
|
:param object src_if: Interface to create packet stream for.
|
|
|
|
:param list packet_sizes: List of required packet sizes.
|
|
|
|
:return: Stream of packets.
|
|
|
|
"""
|
|
|
|
pkts = []
|
|
|
|
src_hosts = src_if.remote_hosts
|
|
|
|
for dst_if in self.flows[src_if]:
|
|
|
|
for dst_host in dst_if.remote_hosts:
|
|
|
|
src_host = random.choice(src_hosts)
|
|
|
|
pkt_info = self.create_packet_info(src_if, dst_if)
|
|
|
|
payload = self.info_to_payload(pkt_info)
|
|
|
|
p = (Ether(dst=src_if.local_mac, src=src_host.mac) /
|
|
|
|
IPv6(src=src_host.ip6, dst=dst_host.ip6) /
|
|
|
|
UDP(sport=1234, dport=1234) /
|
|
|
|
Raw(payload))
|
|
|
|
pkt_info.data = p.copy()
|
|
|
|
size = random.choice(packet_sizes)
|
|
|
|
self.extend_packet(p, size)
|
|
|
|
pkts.append(p)
|
|
|
|
self.logger.debug("Input stream created for port %s. Length: %u pkt(s)"
|
|
|
|
% (src_if.name, len(pkts)))
|
|
|
|
return pkts
|
|
|
|
|
2018-06-21 16:57:47 +02:00
|
|
|
def create_stream_crosswise_vrf(self, src_if, vrf_id, packet_sizes):
|
|
|
|
"""
|
|
|
|
Create input packet stream for negative test for leaking across
|
|
|
|
different VRFs for defined interface using hosts list.
|
|
|
|
|
|
|
|
:param object src_if: Interface to create packet stream for.
|
|
|
|
:param int vrf_id: The FIB table / VRF ID where src_if is assigned.
|
|
|
|
:param list packet_sizes: List of required packet sizes.
|
|
|
|
:return: Stream of packets.
|
|
|
|
"""
|
|
|
|
pkts = []
|
|
|
|
src_hosts = src_if.remote_hosts
|
|
|
|
vrf_lst = list(self.vrf_list)
|
|
|
|
vrf_lst.remove(vrf_id)
|
|
|
|
for vrf in vrf_lst:
|
|
|
|
for dst_if in self.pg_if_by_vrf_id[vrf]:
|
|
|
|
for dst_host in dst_if.remote_hosts:
|
|
|
|
src_host = random.choice(src_hosts)
|
|
|
|
pkt_info = self.create_packet_info(src_if, dst_if)
|
|
|
|
payload = self.info_to_payload(pkt_info)
|
|
|
|
p = (Ether(dst=src_if.local_mac, src=src_host.mac) /
|
|
|
|
IPv6(src=src_host.ip6, dst=dst_host.ip6) /
|
|
|
|
UDP(sport=1234, dport=1234) /
|
|
|
|
Raw(payload))
|
|
|
|
pkt_info.data = p.copy()
|
|
|
|
size = random.choice(packet_sizes)
|
|
|
|
self.extend_packet(p, size)
|
|
|
|
pkts.append(p)
|
|
|
|
self.logger.debug("Input stream created for port %s. Length: %u pkt(s)"
|
|
|
|
% (src_if.name, len(pkts)))
|
|
|
|
return pkts
|
|
|
|
|
2016-12-20 17:32:45 +01:00
|
|
|
def verify_capture(self, pg_if, capture):
|
|
|
|
"""
|
|
|
|
Verify captured input packet stream for defined interface.
|
|
|
|
|
|
|
|
:param object pg_if: Interface to verify captured packet stream for.
|
|
|
|
:param list capture: Captured packet stream.
|
|
|
|
"""
|
|
|
|
last_info = dict()
|
|
|
|
for i in self.pg_interfaces:
|
|
|
|
last_info[i.sw_if_index] = None
|
|
|
|
dst_sw_if_index = pg_if.sw_if_index
|
|
|
|
for packet in capture:
|
|
|
|
try:
|
|
|
|
ip = packet[IPv6]
|
|
|
|
udp = packet[UDP]
|
2019-03-06 11:58:06 -08:00
|
|
|
payload_info = self.payload_to_info(packet[Raw])
|
2016-12-20 17:32:45 +01:00
|
|
|
packet_index = payload_info.index
|
|
|
|
self.assertEqual(payload_info.dst, dst_sw_if_index)
|
|
|
|
self.logger.debug("Got packet on port %s: src=%u (id=%u)" %
|
|
|
|
(pg_if.name, payload_info.src, packet_index))
|
|
|
|
next_info = self.get_next_packet_info_for_interface2(
|
|
|
|
payload_info.src, dst_sw_if_index,
|
|
|
|
last_info[payload_info.src])
|
|
|
|
last_info[payload_info.src] = next_info
|
|
|
|
self.assertIsNotNone(next_info)
|
|
|
|
self.assertEqual(packet_index, next_info.index)
|
|
|
|
saved_packet = next_info.data
|
|
|
|
# Check standard fields
|
|
|
|
self.assertEqual(ip.src, saved_packet[IPv6].src)
|
|
|
|
self.assertEqual(ip.dst, saved_packet[IPv6].dst)
|
|
|
|
self.assertEqual(udp.sport, saved_packet[UDP].sport)
|
|
|
|
self.assertEqual(udp.dport, saved_packet[UDP].dport)
|
|
|
|
except:
|
|
|
|
self.logger.error(ppp("Unexpected or invalid packet:", packet))
|
|
|
|
raise
|
|
|
|
for i in self.pg_interfaces:
|
|
|
|
remaining_packet = self.get_next_packet_info_for_interface2(
|
|
|
|
i, dst_sw_if_index, last_info[i.sw_if_index])
|
|
|
|
self.assertIsNone(
|
|
|
|
remaining_packet,
|
|
|
|
"Port %u: Packet expected from source %u didn't arrive" %
|
|
|
|
(dst_sw_if_index, i.sw_if_index))
|
|
|
|
|
|
|
|
def verify_vrf(self, vrf_id):
|
|
|
|
"""
|
|
|
|
Check if the FIB table / VRF ID is configured.
|
|
|
|
|
|
|
|
:param int vrf_id: The FIB table / VRF ID to be verified.
|
|
|
|
:return: 1 if the FIB table / VRF ID is configured, otherwise return 0.
|
|
|
|
"""
|
2018-05-01 05:17:55 -07:00
|
|
|
ip6_fib_dump = self.vapi.ip_route_dump(vrf_id, True)
|
|
|
|
vrf_exist = len(ip6_fib_dump)
|
2016-12-20 17:32:45 +01:00
|
|
|
vrf_count = 0
|
|
|
|
for ip6_fib_details in ip6_fib_dump:
|
2018-05-01 05:17:55 -07:00
|
|
|
addr = ip6_fib_details.route.prefix.network_address
|
|
|
|
found = False
|
|
|
|
for pg_if in self.pg_if_by_vrf_id[vrf_id]:
|
|
|
|
if found:
|
|
|
|
break
|
|
|
|
for host in pg_if.remote_hosts:
|
|
|
|
if str(addr) == host.ip6:
|
|
|
|
vrf_count += 1
|
|
|
|
found = True
|
2017-02-27 10:46:14 +01:00
|
|
|
break
|
2017-02-23 15:01:29 +01:00
|
|
|
if not vrf_exist and vrf_count == 0:
|
2016-12-20 17:32:45 +01:00
|
|
|
self.logger.info("IPv6 VRF ID %d is not configured" % vrf_id)
|
2017-02-27 10:46:14 +01:00
|
|
|
return VRFState.not_configured
|
2017-02-23 15:01:29 +01:00
|
|
|
elif vrf_exist and vrf_count == 0:
|
|
|
|
self.logger.info("IPv6 VRF ID %d has been reset" % vrf_id)
|
2017-02-27 10:46:14 +01:00
|
|
|
return VRFState.reset
|
2016-12-20 17:32:45 +01:00
|
|
|
else:
|
|
|
|
self.logger.info("IPv6 VRF ID %d is configured" % vrf_id)
|
2017-02-27 10:46:14 +01:00
|
|
|
return VRFState.configured
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
def run_verify_test(self):
|
|
|
|
"""
|
2018-06-21 16:57:47 +02:00
|
|
|
Create packet streams for all configured pg interfaces, send all \
|
2016-12-20 17:32:45 +01:00
|
|
|
prepared packet streams and verify that:
|
2018-06-21 16:57:47 +02:00
|
|
|
- all packets received correctly on all pg-ip6 interfaces assigned
|
|
|
|
to VRFs
|
|
|
|
- no packet received on all pg-ip6 interfaces not assigned to VRFs
|
|
|
|
|
|
|
|
:raise RuntimeError: If no packet captured on pg-ip6 interface assigned
|
|
|
|
to VRF or if any packet is captured on pg-ip6 interface not
|
|
|
|
assigned to VRF.
|
2016-12-20 17:32:45 +01:00
|
|
|
"""
|
|
|
|
# Test
|
|
|
|
# Create incoming packet streams for packet-generator interfaces
|
|
|
|
for pg_if in self.pg_interfaces:
|
|
|
|
pkts = self.create_stream(pg_if, self.pg_if_packet_sizes)
|
|
|
|
pg_if.add_stream(pkts)
|
|
|
|
|
|
|
|
# Enable packet capture and start packet sending
|
|
|
|
self.pg_enable_capture(self.pg_interfaces)
|
|
|
|
self.pg_start()
|
|
|
|
|
|
|
|
# Verify
|
|
|
|
# Verify outgoing packet streams per packet-generator interface
|
|
|
|
for pg_if in self.pg_interfaces:
|
|
|
|
if pg_if in self.pg_in_vrf:
|
|
|
|
capture = pg_if.get_capture(remark="interface is in VRF")
|
|
|
|
self.verify_capture(pg_if, capture)
|
|
|
|
elif pg_if in self.pg_not_in_vrf:
|
2017-02-23 15:01:29 +01:00
|
|
|
pg_if.assert_nothing_captured(remark="interface is not in VRF",
|
|
|
|
filter_out_fn=is_ipv6_misc_ext)
|
2016-12-20 17:32:45 +01:00
|
|
|
self.logger.debug("No capture for interface %s" % pg_if.name)
|
|
|
|
else:
|
|
|
|
raise Exception("Unknown interface: %s" % pg_if.name)
|
|
|
|
|
2018-06-21 16:57:47 +02:00
|
|
|
def run_crosswise_vrf_test(self):
|
|
|
|
"""
|
|
|
|
Create packet streams for every pg-ip6 interface in VRF towards all
|
|
|
|
pg-ip6 interfaces in other VRFs, send all prepared packet streams and \
|
|
|
|
verify that:
|
|
|
|
- no packet received on all configured pg-ip6 interfaces
|
|
|
|
|
|
|
|
:raise RuntimeError: If any packet is captured on any pg-ip6 interface.
|
|
|
|
"""
|
|
|
|
# Test
|
|
|
|
# Create incoming packet streams for packet-generator interfaces
|
|
|
|
for vrf_id in self.vrf_list:
|
|
|
|
for pg_if in self.pg_if_by_vrf_id[vrf_id]:
|
|
|
|
pkts = self.create_stream_crosswise_vrf(
|
|
|
|
pg_if, vrf_id, self.pg_if_packet_sizes)
|
|
|
|
pg_if.add_stream(pkts)
|
|
|
|
|
|
|
|
# Enable packet capture and start packet sending
|
|
|
|
self.pg_enable_capture(self.pg_interfaces)
|
|
|
|
self.pg_start()
|
|
|
|
|
|
|
|
# Verify
|
|
|
|
# Verify outgoing packet streams per packet-generator interface
|
|
|
|
for pg_if in self.pg_interfaces:
|
|
|
|
pg_if.assert_nothing_captured(remark="interface is in other VRF",
|
|
|
|
filter_out_fn=is_ipv6_misc_ext)
|
|
|
|
self.logger.debug("No capture for interface %s" % pg_if.name)
|
|
|
|
|
2016-12-20 17:32:45 +01:00
|
|
|
def test_ip6_vrf_01(self):
|
|
|
|
""" IP6 VRF Multi-instance test 1 - create 4 VRFs
|
|
|
|
"""
|
|
|
|
# Config 1
|
|
|
|
# Create 4 VRFs
|
|
|
|
self.create_vrf_and_assign_interfaces(4)
|
|
|
|
|
|
|
|
# Verify 1
|
|
|
|
for vrf_id in self.vrf_list:
|
2017-02-27 10:46:14 +01:00
|
|
|
self.assert_equal(self.verify_vrf(vrf_id),
|
|
|
|
VRFState.configured, VRFState)
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
# Test 1
|
|
|
|
self.run_verify_test()
|
2018-06-21 16:57:47 +02:00
|
|
|
self.run_crosswise_vrf_test()
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
def test_ip6_vrf_02(self):
|
|
|
|
""" IP6 VRF Multi-instance test 2 - reset 2 VRFs
|
|
|
|
"""
|
|
|
|
# Config 2
|
|
|
|
# Delete 2 VRFs
|
2017-02-27 10:46:14 +01:00
|
|
|
self.reset_vrf_and_remove_from_vrf_list(1)
|
|
|
|
self.reset_vrf_and_remove_from_vrf_list(2)
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
# Verify 2
|
2017-02-23 15:01:29 +01:00
|
|
|
for vrf_id in self.vrf_reset_list:
|
2017-02-27 10:46:14 +01:00
|
|
|
self.assert_equal(self.verify_vrf(vrf_id),
|
|
|
|
VRFState.reset, VRFState)
|
2016-12-20 17:32:45 +01:00
|
|
|
for vrf_id in self.vrf_list:
|
2017-02-27 10:46:14 +01:00
|
|
|
self.assert_equal(self.verify_vrf(vrf_id),
|
|
|
|
VRFState.configured, VRFState)
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
# Test 2
|
|
|
|
self.run_verify_test()
|
2018-06-21 16:57:47 +02:00
|
|
|
self.run_crosswise_vrf_test()
|
2016-12-20 17:32:45 +01:00
|
|
|
|
2017-02-23 15:01:29 +01:00
|
|
|
# Reset routes learned from ICMPv6 Neighbor Discovery
|
|
|
|
for vrf_id in self.vrf_reset_list:
|
2017-02-27 10:46:14 +01:00
|
|
|
self.reset_vrf_and_remove_from_vrf_list(vrf_id)
|
2017-02-23 15:01:29 +01:00
|
|
|
|
2016-12-20 17:32:45 +01:00
|
|
|
def test_ip6_vrf_03(self):
|
|
|
|
""" IP6 VRF Multi-instance 3 - add 2 VRFs
|
|
|
|
"""
|
|
|
|
# Config 3
|
2017-02-23 15:01:29 +01:00
|
|
|
# Add 1 of reset VRFs and 1 new VRF
|
|
|
|
self.create_vrf_and_assign_interfaces(1)
|
2016-12-20 17:32:45 +01:00
|
|
|
self.create_vrf_and_assign_interfaces(1, start=5)
|
|
|
|
|
|
|
|
# Verify 3
|
2017-02-23 15:01:29 +01:00
|
|
|
for vrf_id in self.vrf_reset_list:
|
2017-02-27 10:46:14 +01:00
|
|
|
self.assert_equal(self.verify_vrf(vrf_id),
|
|
|
|
VRFState.reset, VRFState)
|
2016-12-20 17:32:45 +01:00
|
|
|
for vrf_id in self.vrf_list:
|
2017-02-27 10:46:14 +01:00
|
|
|
self.assert_equal(self.verify_vrf(vrf_id),
|
|
|
|
VRFState.configured, VRFState)
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
# Test 3
|
|
|
|
self.run_verify_test()
|
2018-06-21 16:57:47 +02:00
|
|
|
self.run_crosswise_vrf_test()
|
2016-12-20 17:32:45 +01:00
|
|
|
|
2017-02-23 15:01:29 +01:00
|
|
|
# Reset routes learned from ICMPv6 Neighbor Discovery
|
|
|
|
for vrf_id in self.vrf_reset_list:
|
2017-02-27 10:46:14 +01:00
|
|
|
self.reset_vrf_and_remove_from_vrf_list(vrf_id)
|
2017-02-23 15:01:29 +01:00
|
|
|
|
2016-12-20 17:32:45 +01:00
|
|
|
def test_ip6_vrf_04(self):
|
|
|
|
""" IP6 VRF Multi-instance test 4 - reset 4 VRFs
|
|
|
|
"""
|
|
|
|
# Config 4
|
2017-02-27 10:46:14 +01:00
|
|
|
# Reset all VRFs (i.e. no VRF except VRF=0 configured)
|
2016-12-20 17:32:45 +01:00
|
|
|
for i in range(len(self.vrf_list)):
|
2017-02-27 10:46:14 +01:00
|
|
|
self.reset_vrf_and_remove_from_vrf_list(self.vrf_list[0])
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
# Verify 4
|
2017-02-23 15:01:29 +01:00
|
|
|
for vrf_id in self.vrf_reset_list:
|
2017-02-27 10:46:14 +01:00
|
|
|
self.assert_equal(self.verify_vrf(vrf_id),
|
|
|
|
VRFState.reset, VRFState)
|
|
|
|
vrf_list_length = len(self.vrf_list)
|
|
|
|
self.assertEqual(
|
|
|
|
vrf_list_length, 0,
|
|
|
|
"List of configured VRFs is not empty: %s != 0" % vrf_list_length)
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
# Test 4
|
|
|
|
self.run_verify_test()
|
2018-06-21 16:57:47 +02:00
|
|
|
self.run_crosswise_vrf_test()
|
2016-12-20 17:32:45 +01:00
|
|
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
|
unittest.main(testRunner=VppTestRunner)
|