csit - Integration tests

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tests/honeycomb/func/mgmt-cfg-policer-apihc-func.robot

1 files changed, 0 insertions, 4 deletions

#!/usr/bin/env python3 import socket from util import ip4_range, ip4_range import unittest from framework import VppTestCase, VppTestRunner from template_bd import BridgeDomain from scapy.layers.l2 import Ether from scapy.layers.inet import IP, UDP from scapy.contrib.geneve import GENEVE from scapy.utils import atol from vpp_ip_route import VppIpRoute, VppRoutePath from vpp_ip import INVALID_INDEX class TestGeneve(BridgeDomain, VppTestCase): """ GENEVE Test Case """ def __init__(self, *args): BridgeDomain.__init__(self) VppTestCase.__init__(self, *args) def encapsulate(self, pkt, vni): """ Encapsulate the original payload frame by adding GENEVE header with its UDP, IP and Ethernet fields """ return (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) / UDP(sport=self.dport, dport=self.dport, chksum=0) / GENEVE(vni=vni) / pkt) def ip_range(self, start, end): """ range of remote ip's """ return ip4_range(self.pg0.remote_ip4, start, end) def encap_mcast(self, pkt, src_ip, src_mac, vni): """ Encapsulate the original payload frame by adding GENEVE header with its UDP, IP and Ethernet fields """ return (Ether(src=src_mac, dst=self.mcast_mac) / IP(src=src_ip, dst=self.mcast_ip4) / UDP(sport=self.dport, dport=self.dport, chksum=0) / GENEVE(vni=vni) / pkt) def decapsulate(self, pkt): """ Decapsulate the original payload frame by removing GENEVE header """ # check if is set I flag # self.assertEqual(pkt[GENEVE].flags, int('0x8', 16)) return pkt[GENEVE].payload # Method for checking GENEVE encapsulation. # def check_encapsulation(self, pkt, vni, local_only=False, mcast_pkt=False): # TODO: add error messages # Verify source MAC is VPP_MAC and destination MAC is MY_MAC resolved # by VPP using ARP. self.assertEqual(pkt[Ether].src, self.pg0.local_mac) if not local_only: if not mcast_pkt: self.assertEqual(pkt[Ether].dst, self.pg0.remote_mac) else: self.assertEqual(pkt[Ether].dst, type(self).mcast_mac) # Verify GENEVE tunnel source IP is VPP_IP and destination IP is MY_IP. self.assertEqual(pkt[IP].src, self.pg0.local_ip4) if not local_only: if not mcast_pkt: self.assertEqual(pkt[IP].dst, self.pg0.remote_ip4) else: self.assertEqual(pkt[IP].dst, type(self).mcast_ip4) # Verify UDP destination port is GENEVE 4789, source UDP port could be # arbitrary. self.assertEqual(pkt[UDP].dport, type(self).dport) # TODO: checksum check # Verify VNI self.assertEqual(pkt[GENEVE].vni, vni) @classmethod def create_geneve_flood_test_bd(cls, vni, n_ucast_tunnels): # Create 10 ucast geneve tunnels under bd ip_range_start = 10 ip_range_end = ip_range_start + n_ucast_tunnels next_hop_address = cls.pg0.remote_ip4 for dest_ip4 in ip4_range(next_hop_address, ip_range_start, ip_range_end): # add host route so dest_ip4 will not be resolved rip = VppIpRoute(cls, dest_ip4, 32, [VppRoutePath(next_hop_address, INVALID_INDEX)], register=False) rip.add_vpp_config() r = cls.vapi.geneve_add_del_tunnel( local_address=cls.pg0.local_ip4, remote_address=dest_ip4, vni=vni) cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, bd_id=vni) @classmethod def add_del_shared_mcast_dst_load(cls, is_add): """ add or del tunnels sharing the same mcast dst to test geneve ref_count mechanism """ n_shared_dst_tunnels = 10 vni_start = 10000 vni_end = vni_start + n_shared_dst_tunnels for vni in range(vni_start, vni_end): r = cls.vapi.geneve_add_del_tunnel( local_address=cls.pg0.local_ip4, remote_address=cls.mcast_ip4, mcast_sw_if_index=1, is_add=is_add, vni=vni) if r.sw_if_index == 0xffffffff: raise ValueError("bad sw_if_index: ~0") @classmethod def add_shared_mcast_dst_load(cls): cls.add_del_shared_mcast_dst_load(is_add=1) @classmethod def del_shared_mcast_dst_load(cls): cls.add_del_shared_mcast_dst_load(is_add=0) @classmethod def add_del_mcast_tunnels_load(cls, is_add): """ add or del tunnels to test geneve stability """ n_distinct_dst_tunnels = 10 ip_range_start = 10 ip_range_end = ip_range_start + n_distinct_dst_tunnels for dest_ip4 in ip4_range(cls.mcast_ip4, ip_range_start, ip_range_end): vni = int(dest_ip4.split('.')[3]) cls.vapi.geneve_add_del_tunnel(local_address=cls.pg0.local_ip4, remote_address=dest_ip4, mcast_sw_if_index=1, is_add=is_add, vni=vni) @classmethod def add_mcast_tunnels_load(cls): cls.add_del_mcast_tunnels_load(is_add=1) @classmethod def del_mcast_tunnels_load(cls): cls.add_del_mcast_tunnels_load(is_add=0) # Class method to start the GENEVE test case. # Overrides setUpClass method in VppTestCase class. # Python try..except statement is used to ensure that the tear down of # the class will be executed even if exception is raised. # @param cls The class pointer. @classmethod def setUpClass(cls): super(TestGeneve, cls).setUpClass() try: cls.dport = 6081 # Create 2 pg interfaces. cls.create_pg_interfaces(range(4)) for pg in cls.pg_interfaces: pg.admin_up() # Configure IPv4 addresses on VPP pg0. cls.pg0.config_ip4() # Resolve MAC address for VPP's IP address on pg0. cls.pg0.resolve_arp() # Our Multicast address cls.mcast_ip4 = '239.1.1.1' iplong = atol(cls.mcast_ip4) cls.mcast_mac = "01:00:5e:%02x:%02x:%02x" % ( (iplong >> 16) & 0x7F, (iplong >> 8) & 0xFF, iplong & 0xFF) # Create GENEVE VTEP on VPP pg0, and put geneve_tunnel0 and pg1 # into BD. cls.single_tunnel_vni = 0xabcde cls.single_tunnel_bd = 1 r = cls.vapi.geneve_add_del_tunnel( local_address=cls.pg0.local_ip4, remote_address=cls.pg0.remote_ip4, vni=cls.single_tunnel_vni) cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, bd_id=cls.single_tunnel_bd) cls.vapi.sw_interface_set_l2_bridge( rx_sw_if_index=cls.pg1.sw_if_index, bd_id=cls.single_tunnel_bd) # Setup vni 2 to test multicast flooding cls.n_ucast_tunnels = 10 cls.mcast_flood_bd = 2 cls.create_geneve_flood_test_bd(cls.mcast_flood_bd, cls.n_ucast_tunnels) r = cls.vapi.geneve_add_del_tunnel( local_address=cls.pg0.local_ip4, remote_address=cls.mcast_ip4, mcast_sw_if_index=1, vni=cls.mcast_flood_bd) cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, bd_id=cls.mcast_flood_bd) cls.vapi.sw_interface_set_l2_bridge( rx_sw_if_index=cls.pg2.sw_if_index, bd_id=cls.mcast_flood_bd) # Add and delete mcast tunnels to check stability cls.add_shared_mcast_dst_load() cls.add_mcast_tunnels_load() cls.del_shared_mcast_dst_load() cls.del_mcast_tunnels_load() # Setup vni 3 to test unicast flooding cls.ucast_flood_bd = 3 cls.create_geneve_flood_test_bd(cls.ucast_flood_bd, cls.n_ucast_tunnels) cls.vapi.sw_interface_set_l2_bridge( rx_sw_if_index=cls.pg3.sw_if_index, bd_id=cls.ucast_flood_bd) except Exception: super(TestGeneve, cls).tearDownClass() raise # Method to define VPP actions before tear down of the test case. # Overrides tearDown method in VppTestCase class. # @param self The object pointer. def tearDown(self): super(TestGeneve, self).tearDown() def show_commands_at_teardown(self): self.logger.info(self.vapi.cli("show bridge-domain 1 detail")) self.logger.info(self.vapi.cli("show bridge-domain 2 detail")) self.logger.info(self.vapi.cli("show bridge-domain 3 detail")) self.logger.info(self.vapi.cli("show geneve tunnel")) if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)


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