diff options
author | Klement Sekera <ksekera@cisco.com> | 2021-05-17 13:17:56 +0200 |
---|---|---|
committer | Ole Tr�an <otroan@employees.org> | 2021-05-18 10:34:41 +0000 |
commit | a920af705814baf5eef7ff58f064440a070d8d23 (patch) | |
tree | 823f00d15181de340b42085f0b1b21d84c2bba5a /test | |
parent | 09843951dc200f4bf52e0e09a9a63a477fa6c3b1 (diff) |
nat: refactor multiple vrf tests
Replace VRF test testing multiple scenarios into more simpler tests to
improve readability and ease of debugging.
Type: refactor
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Change-Id: Ibaad5328c73b401f52c5fe513dc0ed68ff3e3374
Diffstat (limited to 'test')
-rw-r--r-- | test/test_nat44_ed.py | 145 |
1 files changed, 120 insertions, 25 deletions
diff --git a/test/test_nat44_ed.py b/test/test_nat44_ed.py index 2ce7f23dac9..8fba019e7d8 100644 --- a/test/test_nat44_ed.py +++ b/test/test_nat44_ed.py @@ -1590,27 +1590,16 @@ class TestNAT44ED(NAT44EDTestCase): for p in capture: self.assertEqual(p[IP].dst, backend) - def test_multiple_vrf(self): - """ NAT44ED Multiple VRF setup """ + def test_multiple_vrf_1(self): + """ Multiple VRF - both client & service in VRF1 """ external_addr = '1.2.3.4' external_port = 80 local_port = 8080 port = 0 - self.vapi.nat44_forwarding_enable_disable(enable=1) - self.nat_add_address(self.nat_addr) flags = self.config_flags.NAT_IS_INSIDE self.vapi.nat44_interface_add_del_feature( - sw_if_index=self.pg0.sw_if_index, - is_add=1) - self.vapi.nat44_interface_add_del_feature( - sw_if_index=self.pg0.sw_if_index, - is_add=1, flags=flags) - self.vapi.nat44_interface_add_del_output_feature( - sw_if_index=self.pg1.sw_if_index, - is_add=1) - self.vapi.nat44_interface_add_del_feature( sw_if_index=self.pg5.sw_if_index, is_add=1) self.vapi.nat44_interface_add_del_feature( @@ -1623,17 +1612,7 @@ class TestNAT44ED(NAT44EDTestCase): self.nat_add_static_mapping(self.pg5.remote_ip4, external_addr, local_port, external_port, vrf_id=1, proto=IP_PROTOS.tcp, flags=flags) - self.nat_add_static_mapping( - self.pg0.remote_ip4, - external_sw_if_index=self.pg0.sw_if_index, - local_port=local_port, - vrf_id=0, - external_port=external_port, - proto=IP_PROTOS.tcp, - flags=flags - ) - # from client to service (both VRF1) p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) / IP(src=self.pg6.remote_ip4, dst=external_addr) / TCP(sport=12345, dport=external_port)) @@ -1652,7 +1631,6 @@ class TestNAT44ED(NAT44EDTestCase): self.logger.error(ppp("Unexpected or invalid packet:", p)) raise - # from service back to client (both VRF1) p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) / IP(src=self.pg5.remote_ip4, dst=self.pg6.remote_ip4) / TCP(sport=local_port, dport=12345)) @@ -1671,7 +1649,30 @@ class TestNAT44ED(NAT44EDTestCase): self.logger.error(ppp("Unexpected or invalid packet:", p)) raise - # dynamic NAT from VRF1 to VRF0 (output-feature) + def test_multiple_vrf_2(self): + """ Multiple VRF - dynamic NAT from VRF1 to VRF0 (output-feature) """ + + external_addr = '1.2.3.4' + external_port = 80 + local_port = 8080 + port = 0 + + self.nat_add_address(self.nat_addr) + flags = self.config_flags.NAT_IS_INSIDE + self.vapi.nat44_interface_add_del_output_feature( + sw_if_index=self.pg1.sw_if_index, + is_add=1) + self.vapi.nat44_interface_add_del_feature( + sw_if_index=self.pg5.sw_if_index, + is_add=1) + self.vapi.nat44_interface_add_del_feature( + sw_if_index=self.pg5.sw_if_index, + is_add=1, flags=flags) + flags = self.config_flags.NAT_IS_OUT2IN_ONLY + self.nat_add_static_mapping(self.pg5.remote_ip4, external_addr, + local_port, external_port, vrf_id=1, + proto=IP_PROTOS.tcp, flags=flags) + p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) / IP(src=self.pg5.remote_ip4, dst=self.pg1.remote_ip4) / TCP(sport=2345, dport=22)) @@ -1708,6 +1709,35 @@ class TestNAT44ED(NAT44EDTestCase): self.logger.error(ppp("Unexpected or invalid packet:", p)) raise + def test_multiple_vrf_3(self): + """ Multiple VRF - client in VRF1, service in VRF0 """ + + external_addr = '1.2.3.4' + external_port = 80 + local_port = 8080 + port = 0 + + flags = self.config_flags.NAT_IS_INSIDE + self.vapi.nat44_interface_add_del_feature( + sw_if_index=self.pg0.sw_if_index, + is_add=1) + self.vapi.nat44_interface_add_del_feature( + sw_if_index=self.pg0.sw_if_index, + is_add=1, flags=flags) + self.vapi.nat44_interface_add_del_feature( + sw_if_index=self.pg6.sw_if_index, + is_add=1) + flags = self.config_flags.NAT_IS_OUT2IN_ONLY + self.nat_add_static_mapping( + self.pg0.remote_ip4, + external_sw_if_index=self.pg0.sw_if_index, + local_port=local_port, + vrf_id=0, + external_port=external_port, + proto=IP_PROTOS.tcp, + flags=flags + ) + # from client VRF1 to service VRF0 p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) / IP(src=self.pg6.remote_ip4, dst=self.pg0.local_ip4) / @@ -1746,6 +1776,32 @@ class TestNAT44ED(NAT44EDTestCase): self.logger.error(ppp("Unexpected or invalid packet:", p)) raise + def test_multiple_vrf_4(self): + """ Multiple VRF - client in VRF0, service in VRF1 """ + + external_addr = '1.2.3.4' + external_port = 80 + local_port = 8080 + port = 0 + + flags = self.config_flags.NAT_IS_INSIDE + self.vapi.nat44_interface_add_del_feature( + sw_if_index=self.pg0.sw_if_index, + is_add=1) + self.vapi.nat44_interface_add_del_feature( + sw_if_index=self.pg0.sw_if_index, + is_add=1, flags=flags) + self.vapi.nat44_interface_add_del_feature( + sw_if_index=self.pg5.sw_if_index, + is_add=1) + self.vapi.nat44_interface_add_del_feature( + sw_if_index=self.pg5.sw_if_index, + is_add=1, flags=flags) + flags = self.config_flags.NAT_IS_OUT2IN_ONLY + self.nat_add_static_mapping(self.pg5.remote_ip4, external_addr, + local_port, external_port, vrf_id=1, + proto=IP_PROTOS.tcp, flags=flags) + # from client VRF0 to service VRF1 p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / IP(src=self.pg0.remote_ip4, dst=external_addr) / @@ -1784,6 +1840,45 @@ class TestNAT44ED(NAT44EDTestCase): self.logger.error(ppp("Unexpected or invalid packet:", p)) raise + def test_multiple_vrf_5(self): + """ Multiple VRF - forwarding - no translation """ + + external_addr = '1.2.3.4' + external_port = 80 + local_port = 8080 + port = 0 + + self.vapi.nat44_forwarding_enable_disable(enable=1) + flags = self.config_flags.NAT_IS_INSIDE + self.vapi.nat44_interface_add_del_feature( + sw_if_index=self.pg0.sw_if_index, + is_add=1) + self.vapi.nat44_interface_add_del_feature( + sw_if_index=self.pg0.sw_if_index, + is_add=1, flags=flags) + self.vapi.nat44_interface_add_del_feature( + sw_if_index=self.pg5.sw_if_index, + is_add=1) + self.vapi.nat44_interface_add_del_feature( + sw_if_index=self.pg5.sw_if_index, + is_add=1, flags=flags) + self.vapi.nat44_interface_add_del_feature( + sw_if_index=self.pg6.sw_if_index, + is_add=1) + flags = self.config_flags.NAT_IS_OUT2IN_ONLY + self.nat_add_static_mapping(self.pg5.remote_ip4, external_addr, + local_port, external_port, vrf_id=1, + proto=IP_PROTOS.tcp, flags=flags) + self.nat_add_static_mapping( + self.pg0.remote_ip4, + external_sw_if_index=self.pg0.sw_if_index, + local_port=local_port, + vrf_id=0, + external_port=external_port, + proto=IP_PROTOS.tcp, + flags=flags + ) + # from client to server (both VRF1, no translation) p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) / IP(src=self.pg6.remote_ip4, dst=self.pg5.remote_ip4) / |