diff options
Diffstat (limited to 'test/test_ip6_vrf_multi_instance.py')
| -rwxr-xr-x | test/test_ip6_vrf_multi_instance.py | 123 |
1 files changed, 97 insertions, 26 deletions
diff --git a/test/test_ip6_vrf_multi_instance.py b/test/test_ip6_vrf_multi_instance.py index c2964b6c6c0..0f4a073366b 100755 --- a/test/test_ip6_vrf_multi_instance.py +++ b/test/test_ip6_vrf_multi_instance.py @@ -148,13 +148,13 @@ class TestIP6VrfMultiInst(VppTestCase): 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() + cls.pg_if_sets = dict() for i in range(cls.nr_of_vrfs): - vrf_id = i + 1 + set_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 + cls.pg_if_sets[set_id] = pg_list except Exception: super(TestIP6VrfMultiInst, cls).tearDownClass() @@ -181,6 +181,20 @@ class TestIP6VrfMultiInst(VppTestCase): self.logger.info(self.vapi.ppcli("show ip6 fib")) self.logger.info(self.vapi.ppcli("show ip6 neighbors")) + def _assign_interfaces(self, vrf_id, if_set_id): + for i in range(self.pg_ifs_per_vrf): + pg_if = self.pg_if_sets[if_set_id][i] + 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() + pg_if.configure_ipv6_neighbors() + def create_vrf_and_assign_interfaces(self, count, start=1): """ Create required number of FIB tables / VRFs, put 3 pg-ip6 interfaces @@ -192,7 +206,6 @@ class TestIP6VrfMultiInst(VppTestCase): """ for i in range(count): vrf_id = i + start - pg_if = self.pg_if_by_vrf_id[vrf_id][0] self.vapi.ip_table_add_del(is_add=1, table={'table_id': vrf_id, 'is_ip6': 1}) self.logger.info("IPv6 VRF ID %d created" % vrf_id) @@ -200,34 +213,48 @@ class TestIP6VrfMultiInst(VppTestCase): self.vrf_list.append(vrf_id) if vrf_id in self.vrf_reset_list: self.vrf_reset_list.remove(vrf_id) - 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() - pg_if.configure_ipv6_neighbors() + self._assign_interfaces(vrf_id, vrf_id) + self.logger.debug(self.vapi.ppcli("show ip6 fib")) + self.logger.debug(self.vapi.ppcli("show ip6 neighbors")) + + def create_vrf_by_id_and_assign_interfaces(self, set_id, + vrf_id=0xffffffff): + """ + Create a FIB table / VRF by vrf_id, put 3 pg-ip6 interfaces + to FIB table / VRF. + + :param int vrf_id: Required table ID / VRF ID. \ + (Default value = 0xffffffff, ID will be selected automatically) + """ + ret = self.vapi.ip_table_allocate(table={'table_id': vrf_id, + 'is_ip6': 1}) + vrf_id = ret.table.table_id + self.logger.info("IPv6 VRF ID %d created" % vrf_id) + if vrf_id not in self.vrf_list: + self.vrf_list.append(vrf_id) + if vrf_id in self.vrf_reset_list: + self.vrf_reset_list.remove(vrf_id) + self._assign_interfaces(vrf_id, set_id) self.logger.debug(self.vapi.ppcli("show ip6 fib")) self.logger.debug(self.vapi.ppcli("show ip6 neighbors")) - def reset_vrf_and_remove_from_vrf_list(self, vrf_id): + return vrf_id + + def reset_vrf_and_remove_from_vrf_list(self, vrf_id, if_set_id=None): """ Reset required FIB table / VRF and remove it from VRF list. :param int vrf_id: The FIB table / VRF ID to be reset. """ + if if_set_id is None: + if_set_id = vrf_id self.vapi.ip_table_flush(table={'table_id': vrf_id, 'is_ip6': 1}) if vrf_id in self.vrf_list: self.vrf_list.remove(vrf_id) if vrf_id not in self.vrf_reset_list: self.vrf_reset_list.append(vrf_id) for j in range(self.pg_ifs_per_vrf): - pg_if = self.pg_if_by_vrf_id[vrf_id][j] + pg_if = self.pg_if_sets[if_set_id][j] pg_if.unconfig_ip6() if pg_if in self.pg_in_vrf: self.pg_in_vrf.remove(pg_if) @@ -281,7 +308,7 @@ class TestIP6VrfMultiInst(VppTestCase): 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_if in self.pg_if_sets[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) @@ -341,20 +368,22 @@ class TestIP6VrfMultiInst(VppTestCase): "Port %u: Packet expected from source %u didn't arrive" % (dst_sw_if_index, i.sw_if_index)) - def verify_vrf(self, vrf_id): + def verify_vrf(self, vrf_id, if_set_id=None): """ 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. """ + if if_set_id is None: + if_set_id = vrf_id ip6_fib_dump = self.vapi.ip_route_dump(vrf_id, True) vrf_exist = len(ip6_fib_dump) vrf_count = 0 for ip6_fib_details in ip6_fib_dump: addr = ip6_fib_details.route.prefix.network_address found = False - for pg_if in self.pg_if_by_vrf_id[vrf_id]: + for pg_if in self.pg_if_sets[if_set_id]: if found: break for host in pg_if.remote_hosts: @@ -420,7 +449,7 @@ class TestIP6VrfMultiInst(VppTestCase): # 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]: + for pg_if in self.pg_if_sets[vrf_id]: pkts = self.create_stream_crosswise_vrf( pg_if, vrf_id, self.pg_if_packet_sizes) pg_if.add_stream(pkts) @@ -473,8 +502,8 @@ class TestIP6VrfMultiInst(VppTestCase): self.run_crosswise_vrf_test() # Reset routes learned from ICMPv6 Neighbor Discovery - for vrf_id in self.vrf_reset_list: - self.reset_vrf_and_remove_from_vrf_list(vrf_id) + # for vrf_id in self.vrf_reset_list: + # self.reset_vrf_and_remove_from_vrf_list(vrf_id) def test_ip6_vrf_03(self): """ IP6 VRF Multi-instance 3 - add 2 VRFs @@ -497,8 +526,8 @@ class TestIP6VrfMultiInst(VppTestCase): self.run_crosswise_vrf_test() # Reset routes learned from ICMPv6 Neighbor Discovery - for vrf_id in self.vrf_reset_list: - self.reset_vrf_and_remove_from_vrf_list(vrf_id) + # for vrf_id in self.vrf_reset_list: + # self.reset_vrf_and_remove_from_vrf_list(vrf_id) def test_ip6_vrf_04(self): """ IP6 VRF Multi-instance test 4 - reset 4 VRFs @@ -506,6 +535,7 @@ class TestIP6VrfMultiInst(VppTestCase): # Config 4 # Reset all VRFs (i.e. no VRF except VRF=0 configured) for i in range(len(self.vrf_list)): + # This call removes the first item of vrf_list as a side effect self.reset_vrf_and_remove_from_vrf_list(self.vrf_list[0]) # Verify 4 @@ -521,6 +551,47 @@ class TestIP6VrfMultiInst(VppTestCase): self.run_verify_test() self.run_crosswise_vrf_test() + @unittest.skip('VPP crashes after running this test. \ + There seems to be an issue with the way fib locks are managed') + def test_ip6_vrf_05(self): + """ IP6 VRF Multi-instance test 5 - auto allocate vrf id + """ + # Config 5 + # Create several VRFs + # Set vrf_id manually first + self.create_vrf_by_id_and_assign_interfaces(1, 10) + # Set vrf_id automatically a few times + auto_vrf_id = [ + self.create_vrf_by_id_and_assign_interfaces(i) for i in range(2, 5) + ] + + # Verify 5 + self.assert_equal(self.verify_vrf(10, 1), VRFState.configured, + VRFState) + for i, vrf in enumerate(auto_vrf_id): + self.assert_equal(self.verify_vrf(vrf, i+2), + VRFState.configured, VRFState) + + # Test 5 + self.run_verify_test() + + # Config 5.1 + # Reset VRFs + self.reset_vrf_and_remove_from_vrf_list(10, 1) + for i, vrf in enumerate(auto_vrf_id): + self.reset_vrf_and_remove_from_vrf_list(vrf, i+2) + + # Verify 5.1 + self.assert_equal(self.verify_vrf(10, 1), VRFState.reset, VRFState) + for i, vrf in enumerate(auto_vrf_id): + self.assert_equal(self.verify_vrf(vrf, i+2), + 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) + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) |