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authorKlement Sekera <ksekera@cisco.com>2021-05-17 13:17:56 +0200
committerOle Tr�an <otroan@employees.org>2021-05-18 10:34:41 +0000
commita920af705814baf5eef7ff58f064440a070d8d23 (patch)
tree823f00d15181de340b42085f0b1b21d84c2bba5a /test/test_nat44_ed.py
parent09843951dc200f4bf52e0e09a9a63a477fa6c3b1 (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/test_nat44_ed.py')
-rw-r--r--test/test_nat44_ed.py145
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) /