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authorMohsin Kazmi <sykazmi@cisco.com>2019-07-10 18:45:55 +0200
committerNeale Ranns <nranns@cisco.com>2019-10-15 12:03:03 +0000
commita3c8ca10e9fb09e81a0dba40ad8a5fc6a9d27467 (patch)
tree875095367c88ad08b2032c5ad655e424af81737e /src/plugins/gbp
parent29467b5347dca90f4ef068ef8d34ffb97c2435f0 (diff)
gbp: Add extended SFC unit tests
Type: feature Change-Id: I1218257af0053ae27c4394d7666fde87a732e08c Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com> Signed-off-by: BenoƮt Ganne <bganne@cisco.com>
Diffstat (limited to 'src/plugins/gbp')
-rw-r--r--src/plugins/gbp/test/test_gbp.py461
1 files changed, 459 insertions, 2 deletions
diff --git a/src/plugins/gbp/test/test_gbp.py b/src/plugins/gbp/test/test_gbp.py
index 3989e233c93..09362e4fa89 100644
--- a/src/plugins/gbp/test/test_gbp.py
+++ b/src/plugins/gbp/test/test_gbp.py
@@ -4170,6 +4170,463 @@ class TestGBP(VppTestCase):
#
self.pg7.unconfig_ip4()
+ def test_gbp_redirect_extended(self):
+ """ GBP Endpoint Redirect Extended """
+
+ self.vapi.cli("set logging class gbp level debug")
+
+ ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t
+ routed_dst_mac = "00:0c:0c:0c:0c:0c"
+ routed_src_mac = "00:22:bd:f8:19:ff"
+
+ learnt = [{'mac': '00:00:11:11:11:02',
+ 'ip': '10.0.1.2',
+ 'ip6': '2001:10::2'},
+ {'mac': '00:00:11:11:11:03',
+ 'ip': '10.0.1.3',
+ 'ip6': '2001:10::3'}]
+
+ #
+ # IP tables
+ #
+ t4 = VppIpTable(self, 1)
+ t4.add_vpp_config()
+ t6 = VppIpTable(self, 1, True)
+ t6.add_vpp_config()
+
+ # create IPv4 and IPv6 RD UU VxLAN-GBP TEP and bind them to the right
+ # VRF
+ rd_uu4 = VppVxlanGbpTunnel(
+ self,
+ self.pg7.local_ip4,
+ self.pg7.remote_ip4,
+ 114,
+ mode=(VppEnum.vl_api_vxlan_gbp_api_tunnel_mode_t.
+ VXLAN_GBP_API_TUNNEL_MODE_L3))
+ rd_uu4.add_vpp_config()
+ VppIpInterfaceBind(self, rd_uu4, t4).add_vpp_config()
+
+ rd_uu6 = VppVxlanGbpTunnel(
+ self,
+ self.pg7.local_ip4,
+ self.pg7.remote_ip4,
+ 115,
+ mode=(VppEnum.vl_api_vxlan_gbp_api_tunnel_mode_t.
+ VXLAN_GBP_API_TUNNEL_MODE_L3))
+ rd_uu6.add_vpp_config()
+ VppIpInterfaceBind(self, rd_uu6, t4).add_vpp_config()
+
+ rd1 = VppGbpRouteDomain(self, 2, 402, t4, t6, rd_uu4, rd_uu6)
+ rd1.add_vpp_config()
+
+ self.loop0.set_mac(self.router_mac)
+ self.loop1.set_mac(self.router_mac)
+ self.loop2.set_mac(self.router_mac)
+
+ #
+ # Bind the BVI to the RD
+ #
+ VppIpInterfaceBind(self, self.loop0, t4).add_vpp_config()
+ VppIpInterfaceBind(self, self.loop0, t6).add_vpp_config()
+ VppIpInterfaceBind(self, self.loop1, t4).add_vpp_config()
+ VppIpInterfaceBind(self, self.loop1, t6).add_vpp_config()
+ VppIpInterfaceBind(self, self.loop2, t4).add_vpp_config()
+ VppIpInterfaceBind(self, self.loop2, t6).add_vpp_config()
+
+ #
+ # Pg7 hosts a BD's UU-fwd
+ #
+ self.pg7.config_ip4()
+ self.pg7.resolve_arp()
+
+ #
+ # a GBP bridge domains for the EPs
+ #
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+ gbd1 = VppGbpBridgeDomain(self, bd1, rd1, self.loop0)
+ gbd1.add_vpp_config()
+
+ bd2 = VppBridgeDomain(self, 2)
+ bd2.add_vpp_config()
+ gbd2 = VppGbpBridgeDomain(self, bd2, rd1, self.loop1)
+ gbd2.add_vpp_config()
+
+ # ... and has a /32 and /128 applied
+ ip4_addr1 = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", 32)
+ ip4_addr1.add_vpp_config()
+ ip6_addr1 = VppIpInterfaceAddress(self, gbd1.bvi, "2001:10::128", 128)
+ ip6_addr1.add_vpp_config()
+ ip4_addr2 = VppIpInterfaceAddress(self, gbd2.bvi, "10.0.1.128", 32)
+ ip4_addr2.add_vpp_config()
+ ip6_addr2 = VppIpInterfaceAddress(self, gbd2.bvi, "2001:11::128", 128)
+ ip6_addr2.add_vpp_config()
+
+ #
+ # The Endpoint-groups
+ #
+ epg_220 = VppGbpEndpointGroup(self, 220, 440, rd1, gbd1,
+ None, gbd1.bvi,
+ "10.0.0.128",
+ "2001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_220.add_vpp_config()
+ epg_221 = VppGbpEndpointGroup(self, 221, 441, rd1, gbd2,
+ None, gbd2.bvi,
+ "10.0.1.128",
+ "2001:11::128",
+ VppGbpEndpointRetention(2))
+ epg_221.add_vpp_config()
+
+ #
+ # a GBP bridge domains for the SEPs
+ #
+ bd_uu3 = VppVxlanGbpTunnel(self, self.pg7.local_ip4,
+ self.pg7.remote_ip4, 116)
+ bd_uu3.add_vpp_config()
+
+ bd3 = VppBridgeDomain(self, 3)
+ bd3.add_vpp_config()
+ gbd3 = VppGbpBridgeDomain(self, bd3, rd1, self.loop2,
+ bd_uu3, learn=False)
+ gbd3.add_vpp_config()
+
+ ip4_addr3 = VppIpInterfaceAddress(self, gbd3.bvi, "12.0.0.128", 32)
+ ip4_addr3.add_vpp_config()
+ ip6_addr3 = VppIpInterfaceAddress(self, gbd3.bvi, "4001:10::128", 128)
+ ip6_addr3.add_vpp_config()
+
+ #
+ # self.logger.info(self.vapi.cli("show gbp bridge"))
+ # self.logger.info(self.vapi.cli("show vxlan-gbp tunnel"))
+ # self.logger.info(self.vapi.cli("show gbp vxlan"))
+ # self.logger.info(self.vapi.cli("show int addr"))
+ #
+
+ #
+ # EPGs in which the service endpoints exist
+ #
+ epg_320 = VppGbpEndpointGroup(self, 320, 550, rd1, gbd3,
+ None, gbd3.bvi,
+ "12.0.0.128",
+ "4001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_320.add_vpp_config()
+
+ #
+ # endpoints
+ #
+ ep1 = VppGbpEndpoint(self, self.pg0,
+ epg_220, None,
+ "10.0.0.1", "11.0.0.1",
+ "2001:10::1", "3001:10::1")
+ ep1.add_vpp_config()
+ ep2 = VppGbpEndpoint(self, self.pg1,
+ epg_221, None,
+ "10.0.1.1", "11.0.1.1",
+ "2001:11::1", "3001:11::1")
+ ep2.add_vpp_config()
+
+ #
+ # service endpoints
+ #
+ sep1 = VppGbpEndpoint(self, self.pg3,
+ epg_320, None,
+ "12.0.0.1", "13.0.0.1",
+ "4001:10::1", "5001:10::1")
+ sep2 = VppGbpEndpoint(self, self.pg4,
+ epg_320, None,
+ "12.0.0.2", "13.0.0.2",
+ "4001:10::2", "5001:10::2")
+
+ # sep1 and sep2 are not added to config yet
+ # they are unknown for now
+
+ #
+ # add routes to EPG subnets
+ #
+ VppGbpSubnet(self, rd1, "10.0.0.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_TRANSPORT
+ ).add_vpp_config()
+ VppGbpSubnet(self, rd1, "10.0.1.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_TRANSPORT
+ ).add_vpp_config()
+
+ #
+ # Local host to known local host in different BD
+ # with SFC contract (source and destination are in
+ # one node and service endpoint in another node)
+ #
+ p4 = [(Ether(src=ep1.mac, dst=str(self.router_mac)) /
+ IP(src=ep1.ip4.address, dst=ep2.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(src=ep2.mac, dst=str(self.router_mac)) /
+ IP(src=ep2.ip4.address, dst=ep1.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+ p6 = [(Ether(src=ep1.mac, dst=str(self.router_mac)) /
+ IPv6(src=ep1.ip6.address, dst=ep2.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(src=ep2.mac, dst=str(self.router_mac)) /
+ IPv6(src=ep2.ip6.address, dst=ep1.ip6.address) /
+ UDP(sport=1234, dport=1230) /
+ Raw('\xa5' * 100))]
+
+ # should be dropped since no contract yet
+ self.send_and_assert_no_replies(self.pg0, [p4[0]])
+ self.send_and_assert_no_replies(self.pg0, [p6[0]])
+
+ #
+ # Add a contract with a rule to load-balance redirect via SEP1 and SEP2
+ # one of the next-hops is via an EP that is not known
+ #
+ acl = VppGbpAcl(self)
+ rule4 = acl.create_rule(permit_deny=1, proto=17)
+ rule6 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17)
+ acl_index = acl.add_vpp_config([rule4, rule6])
+
+ #
+ # test the src-ip hash mode
+ #
+ c1 = VppGbpContract(
+ self, 402, epg_220.sclass, epg_221.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip6, sep1.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c1.add_vpp_config()
+
+ c2 = VppGbpContract(
+ self, 402, epg_221.sclass, epg_220.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip6, sep1.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c2.add_vpp_config()
+
+ # ep1 <--> ep2 redirected through sep1
+ # sep1 is unknown
+ # packet is redirected to sep bd and then go through sep bd UU
+
+ rxs = self.send_and_expect(self.pg0, p4[0] * 17, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 116)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # redirect policy has been applied
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ inner = rx[VXLAN].payload
+
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, sep1.mac)
+ self.assertEqual(inner[IP].src, ep1.ip4.address)
+ self.assertEqual(inner[IP].dst, ep2.ip4.address)
+
+ rxs = self.send_and_expect(self.pg1, p4[1] * 17, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 116)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # redirect policy has been applied
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ inner = rx[VXLAN].payload
+
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, sep1.mac)
+ self.assertEqual(inner[IP].src, ep2.ip4.address)
+ self.assertEqual(inner[IP].dst, ep1.ip4.address)
+
+ rxs = self.send_and_expect(self.pg0, p6[0] * 17, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 116)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # redirect policy has been applied
+ inner = rx[VXLAN].payload
+
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, sep1.mac)
+ self.assertEqual(inner[IPv6].src, ep1.ip6.address)
+ self.assertEqual(inner[IPv6].dst, ep2.ip6.address)
+
+ rxs = self.send_and_expect(self.pg1, p6[1] * 17, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 116)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # redirect policy has been applied
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ inner = rx[VXLAN].payload
+
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, sep1.mac)
+ self.assertEqual(inner[IPv6].src, ep2.ip6.address)
+ self.assertEqual(inner[IPv6].dst, ep1.ip6.address)
+
+ # configure sep1: it is now local
+ # packets between ep1 and ep2 are redirected locally
+ sep1.add_vpp_config()
+
+ rxs = self.send_and_expect(self.pg0, p4[0] * 17, sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IP].src, ep1.ip4.address)
+ self.assertEqual(rx[IP].dst, ep2.ip4.address)
+
+ rxs = self.send_and_expect(self.pg1, p6[1] * 17, sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IPv6].src, ep2.ip6.address)
+ self.assertEqual(rx[IPv6].dst, ep1.ip6.address)
+
+ # packet coming from the l2 spine-proxy to sep1
+ p = (Ether(src=self.pg7.remote_mac,
+ dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4,
+ dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=116, gpid=440, gpflags=0x08, flags=0x88) /
+ Ether(src=str(self.router_mac), dst=sep1.mac) /
+ IP(src=ep1.ip4.address, dst=ep2.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg7, [p] * 17, sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, str(self.router_mac))
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IP].src, ep1.ip4.address)
+ self.assertEqual(rx[IP].dst, ep2.ip4.address)
+
+ # contract for SEP to communicate with dst EP
+ c3 = VppGbpContract(
+ self, 402, epg_320.sclass, epg_221.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC)],
+ [ETH_P_IP, ETH_P_IPV6])
+ c3.add_vpp_config()
+
+ # temporarily remove ep2, so that ep2 is remote & unknown
+ ep2.remove_vpp_config()
+
+ # packet going back from sep1 to its original dest (ep2)
+ # as ep2 is now unknown (see above), it must go through
+ # the rd UU (packet is routed)
+
+ p1 = (Ether(src=sep1.mac, dst=self.router_mac) /
+ IP(src=ep1.ip4.address, dst=ep2.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg3, [p1] * 17, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 114)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # redirect policy has been applied
+ inner = rx[VXLAN].payload
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, routed_dst_mac)
+ self.assertEqual(inner[IP].src, ep1.ip4.address)
+ self.assertEqual(inner[IP].dst, ep2.ip4.address)
+
+ self.logger.info(self.vapi.cli("show bridge 3 detail"))
+ sep1.remove_vpp_config()
+
+ self.logger.info(self.vapi.cli("show bridge 1 detail"))
+ self.logger.info(self.vapi.cli("show bridge 2 detail"))
+
+ # re-add ep2: it is local again :)
+ ep2.add_vpp_config()
+
+ # packet coming back from the remote sep through rd UU
+ p2 = (Ether(src=self.pg7.remote_mac,
+ dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4,
+ dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=114, gpid=441, gpflags=0x09, flags=0x88) /
+ Ether(src=str(self.router_mac), dst=self.router_mac) /
+ IP(src=ep1.ip4.address, dst=ep2.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg7, [p2], self.pg1)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, str(self.router_mac))
+ self.assertEqual(rx[Ether].dst, self.pg1.remote_mac)
+ self.assertEqual(rx[IP].src, ep1.ip4.address)
+ self.assertEqual(rx[IP].dst, ep2.ip4.address)
+
+ #
+ # bd_uu2.add_vpp_config()
+ #
+
+ #
+ # cleanup
+ #
+ c1.remove_vpp_config()
+ c2.remove_vpp_config()
+ c3.remove_vpp_config()
+ self.pg7.unconfig_ip4()
+
def test_gbp_l3_out(self):
""" GBP L3 Out """
@@ -4742,7 +5199,7 @@ class TestGBP(VppTestCase):
Dot1Q(vlan=100) /
IP(src="10.220.0.1", dst="10.222.0.1") /
UDP(sport=1222, dport=1235) /
- Raw('\xa5' * 100))]
+ Raw('\xa5' * 100))]
rxs = self.send_and_expect(self.pg0, p, self.pg7)
@@ -4786,7 +5243,7 @@ class TestGBP(VppTestCase):
Dot1Q(vlan=100) /
IPv6(src="10:220::1", dst="10:222::1") /
UDP(sport=7777, dport=8881) /
- Raw('\xa5' * 100))]
+ Raw('\xa5' * 100))]
self.logger.info(self.vapi.cli("sh ip6 fib 10:222::1"))
rxs = self.send_and_expect(self.pg0, p, self.pg7)