Rework kube-proxy into LB plugin

[vpp.git] / test / test_lb.py

diff --git a/test/test_lb.py b/test/test_lb.py
index 3e7f5e1..79a9598 100644 (file)
--- 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 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
 
  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):
                 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:
         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) /
             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.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]))
 
         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
 
         load = [0] * len(self.ass)
         self.info = None


@@ -108,7 +107,7 @@ class TestLB(VppTestCase):
             try:
                 asid = 0
                 gre = None
             try:
                 asid = 0
                 gre = None

-                if gre4:
+                if (encap == 'gre4'):

                     ip = p[IP]
                     asid = int(ip.dst.split(".")[3])
                     self.assertEqual(ip.version, 4)
                     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]
                     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]
                     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.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))
                 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):
         # 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")
 
                     "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.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")
 
         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 """
 
     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.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")
         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 """
 
     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.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:
         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("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 """
 
     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.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")
         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")