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-rw-r--r--test/test_ip4_vrf_multi_instance.py102
-rw-r--r--test/test_ip6_vrf_multi_instance.py101
2 files changed, 172 insertions, 31 deletions
diff --git a/test/test_ip4_vrf_multi_instance.py b/test/test_ip4_vrf_multi_instance.py
index 05de0fb229b..05ca84fd7b2 100644
--- a/test/test_ip4_vrf_multi_instance.py
+++ b/test/test_ip4_vrf_multi_instance.py
@@ -18,8 +18,10 @@
**verify 1**
- check VRF data by parsing output of ip_fib_dump API command
- - all packets received correctly in case of pg-ip4 interfaces in VRF
+ - all packets received correctly in case of pg-ip4 interfaces in the same
+ VRF
- no packet received in case of pg-ip4 interfaces not in VRF
+ - no packet received in case of pg-ip4 interfaces in different VRFs
**config 2**
- reset 2 VRFs
@@ -28,9 +30,10 @@
- send IP4 packets between all pg-ip4 interfaces in all VRF groups
**verify 2**
- - check VRF data by parsing output of ip_fib_dump API command
- - all packets received correctly in case of pg-ip4 interfaces in VRF
+ - all packets received correctly in case of pg-ip4 interfaces in the same
+ VRF
- no packet received in case of pg-ip4 interfaces not in VRF
+ - no packet received in case of pg-ip4 interfaces in different VRFs
**config 3**
- add 1 of reset VRFs and 1 new VRF
@@ -40,8 +43,10 @@
**verify 3**
- check VRF data by parsing output of ip_fib_dump API command
- - all packets received correctly in case of pg-ip4 interfaces in VRF
+ - all packets received correctly in case of pg-ip4 interfaces in the same
+ VRF
- no packet received in case of pg-ip4 interfaces not in VRF
+ - no packet received in case of pg-ip4 interfaces in different VRFs
**config 4**
- reset all created VRFs
@@ -51,8 +56,10 @@
**verify 4**
- check VRF data by parsing output of ip_fib_dump API command
- - all packets received correctly in case of pg-ip4 interfaces in VRF
+ - all packets received correctly in case of pg-ip4 interfaces in the same
+ VRF
- no packet received in case of pg-ip4 interfaces not in VRF
+ - no packet received in case of pg-ip4 interfaces in different VRFs
"""
import unittest
@@ -124,7 +131,7 @@ class TestIp4VrfMultiInst(VppTestCase):
# Create list of pg_interfaces in VRFs
cls.pg_in_vrf = list()
- # Create list of pg_interfaces not in BDs
+ # Create list of pg_interfaces not in VRFs
cls.pg_not_in_vrf = [pg_if for pg_if in cls.pg_interfaces]
# Create mapping of pg_interfaces to VRF IDs
@@ -158,7 +165,7 @@ class TestIp4VrfMultiInst(VppTestCase):
def create_vrf_and_assign_interfaces(self, count, start=1):
"""
- Create required number of FIB tables / VRFs, put 3 l2-pg interfaces
+ Create required number of FIB tables / VRFs, put 3 pg-ip4 interfaces
to every FIB table / VRF.
:param int count: Number of FIB tables / VRFs to be created.
@@ -245,6 +252,38 @@ class TestIp4VrfMultiInst(VppTestCase):
% (src_if.name, len(pkts)))
return pkts
+ 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) /
+ IP(src=src_host.ip4, dst=dst_host.ip4) /
+ 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
+
def verify_capture(self, pg_if, capture):
"""
Verify captured input packet stream for defined interface.
@@ -324,16 +363,15 @@ class TestIp4VrfMultiInst(VppTestCase):
def run_verify_test(self):
"""
- Create packet streams for all configured l2-pg interfaces, send all \
+ Create packet streams for all configured pg interfaces, send all \
prepared packet streams and verify that:
- - all packets received correctly on all pg-l2 interfaces assigned
- to bridge domains
- - no packet received on all pg-l2 interfaces not assigned to bridge
- domains
-
- :raise RuntimeError: If no packet captured on l2-pg interface assigned
- to the bridge domain or if any packet is captured on l2-pg
- interface not assigned to the bridge domain.
+ - all packets received correctly on all pg-ip4 interfaces assigned
+ to VRFs
+ - no packet received on all pg-ip4 interfaces not assigned to VRFs
+
+ :raise RuntimeError: If no packet captured on pg-ip4 interface assigned
+ to VRF or if any packet is captured on pg-ip4 interface not
+ assigned to VRF.
"""
# Test
# Create incoming packet streams for packet-generator interfaces
@@ -358,6 +396,34 @@ class TestIp4VrfMultiInst(VppTestCase):
else:
raise Exception("Unknown interface: %s" % pg_if.name)
+ def run_crosswise_vrf_test(self):
+ """
+ Create packet streams for every pg-ip4 interface in VRF towards all
+ pg-ip4 interfaces in other VRFs, send all prepared packet streams and \
+ verify that:
+ - no packet received on all configured pg-ip4 interfaces
+
+ :raise RuntimeError: If any packet is captured on any pg-ip4 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_ipv4_misc)
+ self.logger.debug("No capture for interface %s" % pg_if.name)
+
def test_ip4_vrf_01(self):
""" IP4 VRF Multi-instance test 1 - create 4 VRFs
"""
@@ -372,6 +438,7 @@ class TestIp4VrfMultiInst(VppTestCase):
# Test 1
self.run_verify_test()
+ self.run_crosswise_vrf_test()
def test_ip4_vrf_02(self):
""" IP4 VRF Multi-instance test 2 - reset 2 VRFs
@@ -391,6 +458,7 @@ class TestIp4VrfMultiInst(VppTestCase):
# Test 2
self.run_verify_test()
+ self.run_crosswise_vrf_test()
def test_ip4_vrf_03(self):
""" IP4 VRF Multi-instance 3 - add 2 VRFs
@@ -410,6 +478,7 @@ class TestIp4VrfMultiInst(VppTestCase):
# Test 3
self.run_verify_test()
+ self.run_crosswise_vrf_test()
def test_ip4_vrf_04(self):
""" IP4 VRF Multi-instance test 4 - reset 4 VRFs
@@ -430,6 +499,7 @@ class TestIp4VrfMultiInst(VppTestCase):
# Test 4
self.run_verify_test()
+ self.run_crosswise_vrf_test()
if __name__ == '__main__':
diff --git a/test/test_ip6_vrf_multi_instance.py b/test/test_ip6_vrf_multi_instance.py
index e2273877dd0..4547b38a45e 100644
--- a/test/test_ip6_vrf_multi_instance.py
+++ b/test/test_ip6_vrf_multi_instance.py
@@ -18,8 +18,10 @@
**verify 1**
- check VRF data by parsing output of ip6_fib_dump API command
- - all packets received correctly in case of pg-ip6 interfaces in VRF
+ - all packets received correctly in case of pg-ip6 interfaces in the same
+ VRF
- no packet received in case of pg-ip6 interfaces not in VRF
+ - no packet received in case of pg-ip6 interfaces in different VRFs
**config 2**
- reset 2 VRFs
@@ -29,8 +31,10 @@
**verify 2**
- check VRF data by parsing output of ip6_fib_dump API command
- - all packets received correctly in case of pg-ip6 interfaces in VRF
+ - all packets received correctly in case of pg-ip6 interfaces in the same
+ VRF
- no packet received in case of pg-ip6 interfaces not in VRF
+ - no packet received in case of pg-ip6 interfaces in different VRFs
**config 3**
- add 1 of reset VRFs and 1 new VRF
@@ -40,8 +44,10 @@
**verify 3**
- check VRF data by parsing output of ip6_fib_dump API command
- - all packets received correctly in case of pg-ip6 interfaces in VRF
+ - all packets received correctly in case of pg-ip6 interfaces in the same
+ VRF
- no packet received in case of pg-ip6 interfaces not in VRF
+ - no packet received in case of pg-ip6 interfaces in different VRFs
**config 4**
- reset all VRFs (i.e. no VRF except VRF=0 created)
@@ -51,8 +57,10 @@
**verify 4**
- check VRF data by parsing output of ip6_fib_dump API command
- - all packets received correctly in case of pg-ip6 interfaces in VRF
+ - all packets received correctly in case of pg-ip6 interfaces in the same
+ VRF
- no packet received in case of pg-ip6 interfaces not in VRF
+ - no packet received in case of pg-ip6 interfaces in different VRFs
"""
import unittest
@@ -136,7 +144,7 @@ class TestIP6VrfMultiInst(VppTestCase):
# Create list of pg_interfaces in VRFs
cls.pg_in_vrf = list()
- # Create list of pg_interfaces not in BDs
+ # Create list of pg_interfaces not in VRFs
cls.pg_not_in_vrf = [pg_if for pg_if in cls.pg_interfaces]
# Create mapping of pg_interfaces to VRF IDs
@@ -170,7 +178,7 @@ class TestIP6VrfMultiInst(VppTestCase):
def create_vrf_and_assign_interfaces(self, count, start=1):
"""
- Create required number of FIB tables / VRFs, put 3 l2-pg interfaces
+ Create required number of FIB tables / VRFs, put 3 pg-ip6 interfaces
to every FIB table / VRF.
:param int count: Number of FIB tables / VRFs to be created.
@@ -257,6 +265,38 @@ class TestIP6VrfMultiInst(VppTestCase):
% (src_if.name, len(pkts)))
return pkts
+ 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
+
def verify_capture(self, pg_if, capture):
"""
Verify captured input packet stream for defined interface.
@@ -336,16 +376,15 @@ class TestIP6VrfMultiInst(VppTestCase):
def run_verify_test(self):
"""
- Create packet streams for all configured l2-pg interfaces, send all \
+ Create packet streams for all configured pg interfaces, send all \
prepared packet streams and verify that:
- - all packets received correctly on all pg-l2 interfaces assigned
- to bridge domains
- - no packet received on all pg-l2 interfaces not assigned to bridge
- domains
-
- :raise RuntimeError: If no packet captured on l2-pg interface assigned
- to the bridge domain or if any packet is captured on l2-pg
- interface not assigned to the bridge domain.
+ - 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.
"""
# Test
# Create incoming packet streams for packet-generator interfaces
@@ -370,6 +409,34 @@ class TestIP6VrfMultiInst(VppTestCase):
else:
raise Exception("Unknown interface: %s" % pg_if.name)
+ 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)
+
def test_ip6_vrf_01(self):
""" IP6 VRF Multi-instance test 1 - create 4 VRFs
"""
@@ -384,6 +451,7 @@ class TestIP6VrfMultiInst(VppTestCase):
# Test 1
self.run_verify_test()
+ self.run_crosswise_vrf_test()
def test_ip6_vrf_02(self):
""" IP6 VRF Multi-instance test 2 - reset 2 VRFs
@@ -403,6 +471,7 @@ class TestIP6VrfMultiInst(VppTestCase):
# Test 2
self.run_verify_test()
+ self.run_crosswise_vrf_test()
# Reset routes learned from ICMPv6 Neighbor Discovery
for vrf_id in self.vrf_reset_list:
@@ -426,6 +495,7 @@ class TestIP6VrfMultiInst(VppTestCase):
# Test 3
self.run_verify_test()
+ self.run_crosswise_vrf_test()
# Reset routes learned from ICMPv6 Neighbor Discovery
for vrf_id in self.vrf_reset_list:
@@ -450,6 +520,7 @@ class TestIP6VrfMultiInst(VppTestCase):
# Test 4
self.run_verify_test()
+ self.run_crosswise_vrf_test()
if __name__ == '__main__':