X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_lb.py;h=dca9ea3f7ef6ea72cba90d38337d8150c2c574fd;hb=d9b0c6fbf7aa5bd9af84264105b39c82028a4a29;hp=fafb87b62d98eb6a6dcc00387830fb56526b6eb3;hpb=f90348bcb4afd0af2611cefc43b17ef3042b511c;p=vpp.git diff --git a/test/test_lb.py b/test/test_lb.py index fafb87b62d9..dca9ea3f7ef 100644 --- a/test/test_lb.py +++ b/test/test_lb.py @@ -32,7 +32,7 @@ from vpp_ip import INVALID_INDEX class TestLB(VppTestCase): - """ Load Balancer Test Case """ + """Load Balancer Test Case""" @classmethod def setUpClass(cls): @@ -53,18 +53,23 @@ class TestLB(VppTestCase): i.resolve_arp() i.resolve_ndp() - dst4 = VppIpRoute(cls, "10.0.0.0", 24, - [VppRoutePath(cls.pg1.remote_ip4, - INVALID_INDEX)], - register=False) + dst4 = VppIpRoute( + cls, + "10.0.0.0", + 24, + [VppRoutePath(cls.pg1.remote_ip4, INVALID_INDEX)], + register=False, + ) dst4.add_vpp_config() - dst6 = VppIpRoute(cls, "2002::", 16, - [VppRoutePath(cls.pg1.remote_ip6, - INVALID_INDEX)], - register=False) + dst6 = VppIpRoute( + cls, + "2002::", + 16, + [VppRoutePath(cls.pg1.remote_ip6, INVALID_INDEX)], + register=False, + ) dst6.add_vpp_config() - cls.vapi.lb_conf(ip4_src_address="39.40.41.42", - ip6_src_address="2004::1") + cls.vapi.lb_conf(ip4_src_address="39.40.41.42", ip6_src_address="2004::1") except Exception: super(TestLB, cls).tearDownClass() raise @@ -80,13 +85,15 @@ class TestLB(VppTestCase): self.logger.info(self.vapi.cli("show lb vip verbose")) def getIPv4Flow(self, id): - return (IP(dst="90.0.%u.%u" % (id / 255, id % 255), - src="40.0.%u.%u" % (id / 255, id % 255)) / - UDP(sport=10000 + id, dport=20000)) + return IP( + dst="90.0.%u.%u" % (id / 255, id % 255), + src="40.0.%u.%u" % (id / 255, id % 255), + ) / UDP(sport=10000 + id, dport=20000) def getIPv6Flow(self, id): - return (IPv6(dst="2001::%u" % (id), src="fd00:f00d:ffff::%u" % (id)) / - UDP(sport=10000 + id, dport=20000)) + return IPv6(dst="2001::%u" % (id), src="fd00:f00d:ffff::%u" % (id)) / UDP( + sport=10000 + id, dport=20000 + ) def generatePackets(self, src_if, isv4): self.reset_packet_infos() @@ -95,9 +102,9 @@ class TestLB(VppTestCase): info = self.create_packet_info(src_if, self.pg1) payload = self.info_to_payload(info) ip = self.getIPv4Flow(pktid) if isv4 else self.getIPv6Flow(pktid) - packet = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / - ip / - Raw(payload)) + packet = ( + Ether(dst=src_if.local_mac, src=src_if.remote_mac) / ip / Raw(payload) + ) self.extend_packet(packet, 128) info.data = packet.copy() pkts.append(packet) @@ -112,8 +119,9 @@ class TestLB(VppTestCase): payload_info = self.payload_to_info(inner[Raw]) self.info = self.packet_infos[payload_info.index] self.assertEqual(payload_info.src, self.pg0.sw_if_index) - self.assertEqual(scapy.compat.raw(inner), - scapy.compat.raw(self.info.data[IPver])) + self.assertEqual( + scapy.compat.raw(inner), scapy.compat.raw(self.info.data[IPver]) + ) def checkCapture(self, encap, isv4): self.pg0.assert_nothing_captured() @@ -125,7 +133,7 @@ class TestLB(VppTestCase): try: asid = 0 gre = None - if (encap == 'gre4'): + if encap == "gre4": ip = p[IP] asid = int(ip.dst.split(".")[3]) self.assertEqual(ip.version, 4) @@ -136,7 +144,7 @@ class TestLB(VppTestCase): self.assertEqual(len(ip.options), 0) gre = p[GRE] self.checkInner(gre, isv4) - elif (encap == 'gre6'): + elif encap == "gre6": ip = p[IPv6] asid = ip.dst.split(":") asid = asid[len(asid) - 1] @@ -147,26 +155,26 @@ class TestLB(VppTestCase): self.assertEqual(ip.src, "2004::1") self.assertEqual( socket.inet_pton(socket.AF_INET6, ip.dst), - socket.inet_pton(socket.AF_INET6, "2002::%u" % asid) + socket.inet_pton(socket.AF_INET6, "2002::%u" % asid), ) self.assertEqual(ip.nh, 47) # self.assertEqual(len(ip.options), 0) gre = GRE(scapy.compat.raw(p[IPv6].payload)) self.checkInner(gre, isv4) - elif (encap == 'l3dsr'): + elif encap == "l3dsr": ip = p[IP] asid = int(ip.dst.split(".")[3]) self.assertEqual(ip.version, 4) self.assertEqual(ip.flags, 0) self.assertEqual(ip.dst, "10.0.0.%u" % asid) - self.assertEqual(ip.tos, 0x1c) + self.assertEqual(ip.tos, 0x1C) self.assertEqual(len(ip.options), 0) self.assert_ip_checksum_valid(p) if ip.proto == IP_PROTOS.tcp: self.assert_tcp_checksum_valid(p) elif ip.proto == IP_PROTOS.udp: self.assert_udp_checksum_valid(p) - elif (encap == 'nat4'): + elif encap == "nat4": ip = p[IP] asid = int(ip.dst.split(".")[3]) self.assertEqual(ip.version, 4) @@ -176,7 +184,7 @@ class TestLB(VppTestCase): self.assertEqual(len(ip.options), 0) udp = p[UDP] self.assertEqual(udp.dport, 3307) - elif (encap == 'nat6'): + elif encap == "nat6": ip = p[IPv6] asid = ip.dst.split(":") asid = asid[len(asid) - 1] @@ -186,7 +194,7 @@ class TestLB(VppTestCase): self.assertEqual(ip.fl, 0) self.assertEqual( socket.inet_pton(socket.AF_INET6, ip.dst), - socket.inet_pton(socket.AF_INET6, "2002::%u" % asid) + socket.inet_pton(socket.AF_INET6, "2002::%u" % asid), ) self.assertEqual(ip.nh, 17) self.assertGreaterEqual(ip.hlim, 63) @@ -202,301 +210,268 @@ class TestLB(VppTestCase): for asid in self.ass: if load[asid] < int(len(self.packets) / (len(self.ass) * 2)): self.logger.error( - "ASS is not balanced: load[%d] = %d" % (asid, load[asid])) + "ASS is not balanced: load[%d] = %d" % (asid, load[asid]) + ) raise Exception("Load Balancer algorithm is biased") def test_lb_ip4_gre4(self): - """ Load Balancer IP4 GRE4 on vip case """ + """Load Balancer IP4 GRE4 on vip case""" try: - self.vapi.cli( - "lb vip 90.0.0.0/8 encap gre4") + self.vapi.cli("lb vip 90.0.0.0/8 encap gre4") for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 10.0.0.%u" - % (asid)) + self.vapi.cli("lb as 90.0.0.0/8 10.0.0.%u" % (asid)) self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(encap='gre4', isv4=True) + self.checkCapture(encap="gre4", isv4=True) finally: for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 10.0.0.%u del" - % (asid)) - self.vapi.cli( - "lb vip 90.0.0.0/8 encap gre4 del") + self.vapi.cli("lb as 90.0.0.0/8 10.0.0.%u del" % (asid)) + self.vapi.cli("lb vip 90.0.0.0/8 encap gre4 del") self.vapi.cli("test lb flowtable flush") def test_lb_ip6_gre4(self): - """ Load Balancer IP6 GRE4 on vip case """ + """Load Balancer IP6 GRE4 on vip case""" try: - self.vapi.cli( - "lb vip 2001::/16 encap gre4") + self.vapi.cli("lb vip 2001::/16 encap gre4") for asid in self.ass: - self.vapi.cli( - "lb as 2001::/16 10.0.0.%u" - % (asid)) + self.vapi.cli("lb as 2001::/16 10.0.0.%u" % (asid)) self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(encap='gre4', isv4=False) + self.checkCapture(encap="gre4", isv4=False) finally: for asid in self.ass: - self.vapi.cli( - "lb as 2001::/16 10.0.0.%u del" - % (asid)) - self.vapi.cli( - "lb vip 2001::/16 encap gre4 del") + self.vapi.cli("lb as 2001::/16 10.0.0.%u del" % (asid)) + self.vapi.cli("lb vip 2001::/16 encap gre4 del") self.vapi.cli("test lb flowtable flush") def test_lb_ip4_gre6(self): - """ Load Balancer IP4 GRE6 on vip case """ + """Load Balancer IP4 GRE6 on vip case""" try: - self.vapi.cli( - "lb vip 90.0.0.0/8 encap gre6") + self.vapi.cli("lb vip 90.0.0.0/8 encap gre6") for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 2002::%u" - % (asid)) + self.vapi.cli("lb as 90.0.0.0/8 2002::%u" % (asid)) self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(encap='gre6', isv4=True) + self.checkCapture(encap="gre6", isv4=True) finally: for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 2002::%u del" - % (asid)) - self.vapi.cli( - "lb vip 90.0.0.0/8 encap gre6 del") + self.vapi.cli("lb as 90.0.0.0/8 2002::%u del" % (asid)) + self.vapi.cli("lb vip 90.0.0.0/8 encap gre6 del") self.vapi.cli("test lb flowtable flush") def test_lb_ip6_gre6(self): - """ Load Balancer IP6 GRE6 on vip case """ + """Load Balancer IP6 GRE6 on vip case""" try: - self.vapi.cli( - "lb vip 2001::/16 encap gre6") + self.vapi.cli("lb vip 2001::/16 encap gre6") for asid in self.ass: - self.vapi.cli( - "lb as 2001::/16 2002::%u" - % (asid)) + self.vapi.cli("lb as 2001::/16 2002::%u" % (asid)) self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(encap='gre6', isv4=False) + self.checkCapture(encap="gre6", isv4=False) finally: for asid in self.ass: - self.vapi.cli( - "lb as 2001::/16 2002::%u del" - % (asid)) - self.vapi.cli( - "lb vip 2001::/16 encap gre6 del") + self.vapi.cli("lb as 2001::/16 2002::%u del" % (asid)) + self.vapi.cli("lb vip 2001::/16 encap gre6 del") self.vapi.cli("test lb flowtable flush") def test_lb_ip4_gre4_port(self): - """ Load Balancer IP4 GRE4 on per-port-vip case """ + """Load Balancer IP4 GRE4 on per-port-vip case""" try: - self.vapi.cli( - "lb vip 90.0.0.0/8 protocol udp port 20000 encap gre4") + self.vapi.cli("lb vip 90.0.0.0/8 protocol udp port 20000 encap gre4") for asid in self.ass: self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u" - % (asid)) + "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u" % (asid) + ) self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(encap='gre4', isv4=True) + self.checkCapture(encap="gre4", isv4=True) finally: for asid in self.ass: self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u del" - % (asid)) - self.vapi.cli( - "lb vip 90.0.0.0/8 protocol udp port 20000 encap gre4 del") + "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u del" % (asid) + ) + self.vapi.cli("lb vip 90.0.0.0/8 protocol udp port 20000 encap gre4 del") self.vapi.cli("test lb flowtable flush") def test_lb_ip6_gre4_port(self): - """ Load Balancer IP6 GRE4 on per-port-vip case """ + """Load Balancer IP6 GRE4 on per-port-vip case""" try: - self.vapi.cli( - "lb vip 2001::/16 protocol udp port 20000 encap gre4") + self.vapi.cli("lb vip 2001::/16 protocol udp port 20000 encap gre4") for asid in self.ass: self.vapi.cli( - "lb as 2001::/16 protocol udp port 20000 10.0.0.%u" - % (asid)) + "lb as 2001::/16 protocol udp port 20000 10.0.0.%u" % (asid) + ) self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(encap='gre4', isv4=False) + self.checkCapture(encap="gre4", isv4=False) finally: for asid in self.ass: self.vapi.cli( - "lb as 2001::/16 protocol udp port 20000 10.0.0.%u del" - % (asid)) - self.vapi.cli( - "lb vip 2001::/16 protocol udp port 20000 encap gre4 del") + "lb as 2001::/16 protocol udp port 20000 10.0.0.%u del" % (asid) + ) + self.vapi.cli("lb vip 2001::/16 protocol udp port 20000 encap gre4 del") self.vapi.cli("test lb flowtable flush") def test_lb_ip4_gre6_port(self): - """ Load Balancer IP4 GRE6 on per-port-vip case """ + """Load Balancer IP4 GRE6 on per-port-vip case""" try: - self.vapi.cli( - "lb vip 90.0.0.0/8 protocol udp port 20000 encap gre6") + self.vapi.cli("lb vip 90.0.0.0/8 protocol udp port 20000 encap gre6") for asid in self.ass: self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 2002::%u" - % (asid)) + "lb as 90.0.0.0/8 protocol udp port 20000 2002::%u" % (asid) + ) self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(encap='gre6', isv4=True) + self.checkCapture(encap="gre6", isv4=True) finally: for asid in self.ass: self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 2002::%u del" - % (asid)) - self.vapi.cli( - "lb vip 90.0.0.0/8 protocol udp port 20000 encap gre6 del") + "lb as 90.0.0.0/8 protocol udp port 20000 2002::%u del" % (asid) + ) + self.vapi.cli("lb vip 90.0.0.0/8 protocol udp port 20000 encap gre6 del") self.vapi.cli("test lb flowtable flush") def test_lb_ip6_gre6_port(self): - """ Load Balancer IP6 GRE6 on per-port-vip case """ + """Load Balancer IP6 GRE6 on per-port-vip case""" try: - self.vapi.cli( - "lb vip 2001::/16 protocol udp port 20000 encap gre6") + self.vapi.cli("lb vip 2001::/16 protocol udp port 20000 encap gre6") for asid in self.ass: self.vapi.cli( - "lb as 2001::/16 protocol udp port 20000 2002::%u" - % (asid)) + "lb as 2001::/16 protocol udp port 20000 2002::%u" % (asid) + ) self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(encap='gre6', isv4=False) + self.checkCapture(encap="gre6", isv4=False) finally: for asid in self.ass: self.vapi.cli( - "lb as 2001::/16 protocol udp port 20000 2002::%u del" - % (asid)) - self.vapi.cli( - "lb vip 2001::/16 protocol udp port 20000 encap gre6 del") + "lb as 2001::/16 protocol udp port 20000 2002::%u del" % (asid) + ) + self.vapi.cli("lb vip 2001::/16 protocol udp port 20000 encap gre6 del") self.vapi.cli("test lb flowtable flush") def test_lb_ip4_l3dsr(self): - """ Load Balancer IP4 L3DSR on vip case """ + """Load Balancer IP4 L3DSR on vip case""" try: - self.vapi.cli( - "lb vip 90.0.0.0/8 encap l3dsr dscp 7") + self.vapi.cli("lb vip 90.0.0.0/8 encap l3dsr dscp 7") for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 10.0.0.%u" - % (asid)) + self.vapi.cli("lb as 90.0.0.0/8 10.0.0.%u" % (asid)) self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(encap='l3dsr', isv4=True) + self.checkCapture(encap="l3dsr", isv4=True) finally: for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 10.0.0.%u del" - % (asid)) - self.vapi.cli( - "lb vip 90.0.0.0/8 encap l3dsr" - " dscp 7 del") + self.vapi.cli("lb as 90.0.0.0/8 10.0.0.%u del" % (asid)) + self.vapi.cli("lb vip 90.0.0.0/8 encap l3dsr dscp 7 del") self.vapi.cli("test lb flowtable flush") def test_lb_ip4_l3dsr_port(self): - """ Load Balancer IP4 L3DSR on per-port-vip case """ + """Load Balancer IP4 L3DSR on per-port-vip case""" try: self.vapi.cli( - "lb vip 90.0.0.0/8 protocol udp port 20000 encap l3dsr dscp 7") + "lb vip 90.0.0.0/8 protocol udp port 20000 encap l3dsr dscp 7" + ) for asid in self.ass: self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u" - % (asid)) + "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u" % (asid) + ) self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(encap='l3dsr', isv4=True) + self.checkCapture(encap="l3dsr", isv4=True) finally: for asid in self.ass: self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u del" - % (asid)) + "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u del" % (asid) + ) self.vapi.cli( - "lb vip 90.0.0.0/8 protocol udp port 20000 encap l3dsr" - " dscp 7 del") + "lb vip 90.0.0.0/8 protocol udp port 20000 encap l3dsr dscp 7 del" + ) self.vapi.cli("test lb flowtable flush") def test_lb_ip4_nat4_port(self): - """ Load Balancer IP4 NAT4 on per-port-vip case """ + """Load Balancer IP4 NAT4 on per-port-vip case""" try: self.vapi.cli( "lb vip 90.0.0.0/8 protocol udp port 20000 encap nat4" - " type clusterip target_port 3307") + " type clusterip target_port 3307" + ) for asid in self.ass: self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u" - % (asid)) + "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u" % (asid) + ) self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(encap='nat4', isv4=True) + self.checkCapture(encap="nat4", isv4=True) finally: for asid in self.ass: self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u del" - % (asid)) + "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u del" % (asid) + ) self.vapi.cli( "lb vip 90.0.0.0/8 protocol udp port 20000 encap nat4" - " type clusterip target_port 3307 del") + " type clusterip target_port 3307 del" + ) self.vapi.cli("test lb flowtable flush") def test_lb_ip6_nat6_port(self): - """ Load Balancer IP6 NAT6 on per-port-vip case """ + """Load Balancer IP6 NAT6 on per-port-vip case""" try: self.vapi.cli( "lb vip 2001::/16 protocol udp port 20000 encap nat6" - " type clusterip target_port 3307") + " type clusterip target_port 3307" + ) for asid in self.ass: self.vapi.cli( - "lb as 2001::/16 protocol udp port 20000 2002::%u" - % (asid)) + "lb as 2001::/16 protocol udp port 20000 2002::%u" % (asid) + ) self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(encap='nat6', isv4=False) + self.checkCapture(encap="nat6", isv4=False) finally: for asid in self.ass: self.vapi.cli( - "lb as 2001::/16 protocol udp port 20000 2002::%u del" - % (asid)) + "lb as 2001::/16 protocol udp port 20000 2002::%u del" % (asid) + ) self.vapi.cli( "lb vip 2001::/16 protocol udp port 20000 encap nat6" - " type clusterip target_port 3307 del") + " type clusterip target_port 3307 del" + ) self.vapi.cli("test lb flowtable flush")