X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ip4_vrf_multi_instance.py;h=38604a534741479b930070202856e3c9ce60c506;hb=90cf21b5d8fd2d3e531e841dcd752311df5f8a50;hp=05de0fb229ba0d523c2b73bbe6bc2dbf481bb856;hpb=95c87b5ae5db74385f56ba5dd08718c65a1edf69;p=vpp.git diff --git a/test/test_ip4_vrf_multi_instance.py b/test/test_ip4_vrf_multi_instance.py index 05de0fb229b..38604a53474 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 @@ -51,14 +56,17 @@ **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 import random import socket +import scapy.compat from scapy.packet import Raw from scapy.layers.l2 import Ether from scapy.layers.inet import IP, UDP, ARP @@ -124,7 +132,7 @@ 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 @@ -140,6 +148,10 @@ class TestIp4VrfMultiInst(VppTestCase): super(TestIp4VrfMultiInst, cls).tearDownClass() raise + @classmethod + def tearDownClass(cls): + super(TestIp4VrfMultiInst, cls).tearDownClass() + def setUp(self): """ Clear trace and packet infos before running each test. @@ -152,13 +164,14 @@ class TestIp4VrfMultiInst(VppTestCase): Show various debug prints after each test. """ super(TestIp4VrfMultiInst, self).tearDown() - if not self.vpp_dead: - self.logger.info(self.vapi.ppcli("show ip fib")) - self.logger.info(self.vapi.ppcli("show ip arp")) + + def show_commands_at_teardown(self): + self.logger.info(self.vapi.ppcli("show ip fib")) + self.logger.info(self.vapi.ppcli("show ip arp")) 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. @@ -171,10 +184,7 @@ class TestIp4VrfMultiInst(VppTestCase): pg_if = self.pg_if_by_vrf_id[vrf_id][0] dest_addr = pg_if.local_ip4n dest_addr_len = 24 - self.vapi.ip_table_add_del(vrf_id, is_add=1) - self.vapi.ip_add_del_route( - dest_addr, dest_addr_len, pg_if.local_ip4n, - table_id=vrf_id, is_multipath=1) + self.vapi.ip_table_add_del(is_add=1, table_id=vrf_id) self.logger.info("IPv4 VRF ID %d created" % vrf_id) if vrf_id not in self.vrf_list: self.vrf_list.append(vrf_id) @@ -216,7 +226,7 @@ class TestIp4VrfMultiInst(VppTestCase): self.logger.info("IPv4 VRF ID %d reset finished" % vrf_id) self.logger.debug(self.vapi.ppcli("show ip fib")) self.logger.debug(self.vapi.ppcli("show ip arp")) - self.vapi.ip_table_add_del(vrf_id, is_add=0) + self.vapi.ip_table_add_del(is_add=0, table_id=vrf_id) def create_stream(self, src_if, packet_sizes): """ @@ -245,6 +255,38 @@ 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. @@ -260,7 +302,7 @@ class TestIp4VrfMultiInst(VppTestCase): try: ip = packet[IP] udp = packet[UDP] - payload_info = self.payload_to_info(str(packet[Raw])) + payload_info = self.payload_to_info(packet[Raw]) 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)" % @@ -308,7 +350,8 @@ class TestIp4VrfMultiInst(VppTestCase): if found: break for host in pg_if.remote_hosts: - if str(addr) == str(host.ip4): + if scapy.compat.raw(addr) == \ + scapy.compat.raw(host.ip4): vrf_count += 1 found = True break @@ -324,16 +367,15 @@ 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 +400,34 @@ 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 +442,7 @@ 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 +462,7 @@ 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 +482,7 @@ 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 +503,7 @@ class TestIp4VrfMultiInst(VppTestCase): # Test 4 self.run_verify_test() + self.run_crosswise_vrf_test() if __name__ == '__main__':