X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_lb.py;h=79a95988671441bb1b0a0b62aee71614709a8a76;hb=d92a0b5;hp=3e7f5e13faf78fd083e396b6f1c322bdb16180e7;hpb=7bb873a4cc068a6cc3c9d0e1d32987c5f8003904;p=vpp.git diff --git a/test/test_lb.py b/test/test_lb.py index 3e7f5e13faf..79a95988671 100644 --- a/test/test_lb.py +++ b/test/test_lb.py @@ -15,6 +15,9 @@ from util import ppp - IP4 to GRE6 encap - IP6 to GRE4 encap - IP6 to GRE6 encap + - IP4 to L3DSR encap + - IP4 to NAT4 encap + - IP6 to NAT6 encap As stated in comments below, GRE has issues with IPv6. All test cases involving IPv6 are executed, but @@ -69,10 +72,10 @@ class TestLB(VppTestCase): UDP(sport=10000 + id, dport=20000 + id)) def generatePackets(self, src_if, isv4): - self.packet_infos = {} + self.reset_packet_infos() pkts = [] for pktid in self.packets: - info = self.create_packet_info(src_if.sw_if_index, pktid) + 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) / @@ -90,17 +93,13 @@ class TestLB(VppTestCase): self.assertEqual(gre.version, 0) inner = IPver(str(gre.payload)) payload_info = self.payload_to_info(str(inner[Raw])) - self.info = self.get_next_packet_info_for_interface2( - self.pg0.sw_if_index, payload_info.dst, self.info) + self.info = self.packet_infos[payload_info.index] + self.assertEqual(payload_info.src, self.pg0.sw_if_index) self.assertEqual(str(inner), str(self.info.data[IPver])) - def checkCapture(self, gre4, isv4): - out = self.pg0.get_capture() - # This check is edited because RA appears in output, maybe disable RA? - # self.assertEqual(len(out), 0) - self.assertLess(len(out), 20) - out = self.pg1.get_capture() - self.assertEqual(len(out), len(self.packets)) + def checkCapture(self, encap, isv4): + self.pg0.assert_nothing_captured() + out = self.pg1.get_capture(len(self.packets)) load = [0] * len(self.ass) self.info = None @@ -108,7 +107,7 @@ class TestLB(VppTestCase): try: asid = 0 gre = None - if gre4: + if (encap == 'gre4'): ip = p[IP] asid = int(ip.dst.split(".")[3]) self.assertEqual(ip.version, 4) @@ -119,7 +118,8 @@ class TestLB(VppTestCase): self.assertEqual(len(ip.options), 0) self.assertGreaterEqual(ip.ttl, 64) gre = p[GRE] - else: + self.checkInner(gre, isv4) + elif (encap == 'gre6'): ip = p[IPv6] asid = ip.dst.split(":") asid = asid[len(asid) - 1] @@ -136,7 +136,42 @@ class TestLB(VppTestCase): self.assertGreaterEqual(ip.hlim, 64) # self.assertEqual(len(ip.options), 0) gre = GRE(str(p[IPv6].payload)) - self.checkInner(gre, isv4) + self.checkInner(gre, isv4) + 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(len(ip.options), 0) + elif (encap == 'nat4'): + 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.proto, 17) + self.assertEqual(len(ip.options), 0) + self.assertGreaterEqual(ip.ttl, 63) + udp = p[UDP] + self.assertEqual(udp.dport, 3307) + elif (encap == 'nat6'): + ip = p[IPv6] + asid = ip.dst.split(":") + asid = asid[len(asid) - 1] + asid = 0 if asid == "" else int(asid) + self.assertEqual(ip.version, 6) + self.assertEqual(ip.tc, 0) + self.assertEqual(ip.fl, 0) + self.assertEqual( + socket.inet_pton(socket.AF_INET6, ip.dst), + socket.inet_pton(socket.AF_INET6, "2002::%u" % asid) + ) + self.assertEqual(ip.nh, 17) + self.assertGreaterEqual(ip.hlim, 63) + udp = UDP(str(p[IPv6].payload)) + self.assertEqual(udp.dport, 3307) load[asid] += 1 except: self.logger.error(ppp("Unexpected or invalid packet:", p)) @@ -146,7 +181,7 @@ class TestLB(VppTestCase): # is not completly biased. for asid in self.ass: if load[asid] < len(self.packets) / (len(self.ass) * 2): - self.log( + self.logger.error( "ASS is not balanced: load[%d] = %d" % (asid, load[asid])) raise Exception("Load Balancer algorithm is biased") @@ -160,12 +195,13 @@ class TestLB(VppTestCase): self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(gre4=True, 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("test lb flowtable flush") def test_lb_ip6_gre4(self): """ Load Balancer IP6 GRE4 """ @@ -179,11 +215,12 @@ class TestLB(VppTestCase): self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(gre4=True, 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("test lb flowtable flush") def test_lb_ip4_gre6(self): """ Load Balancer IP4 GRE6 """ @@ -196,11 +233,12 @@ class TestLB(VppTestCase): self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(gre4=False, 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" % (asid)) + 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 """ @@ -213,8 +251,67 @@ class TestLB(VppTestCase): self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.checkCapture(gre4=False, 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("test lb flowtable flush") + + def test_lb_ip4_l3dsr(self): + """ Load Balancer IP4 L3DSR """ + try: + 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.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) + + 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("test lb flowtable flush") + + def test_lb_ip4_nat4(self): + """ Load Balancer IP4 NAT4 """ + try: + self.vapi.cli("lb vip 90.0.0.0/8 encap nat4" + " type clusterip port 3306 target_port 3307") + for asid in self.ass: + 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='nat4', 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 nat4" + " type clusterip port 3306 target_port 3307 del") + self.vapi.cli("test lb flowtable flush") + + def test_lb_ip6_nat6(self): + """ Load Balancer IP6 NAT6 """ + try: + self.vapi.cli("lb vip 2001::/16 encap nat6" + " type clusterip port 3306 target_port 3307") + for asid in self.ass: + 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='nat6', 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 nat6" + " type clusterip port 3306 target_port 3307 del") + self.vapi.cli("test lb flowtable flush")