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authorDmitry Vakhrushev <dmitry@netgate.com>2019-08-20 14:44:51 -0400
committerDamjan Marion <dmarion@me.com>2019-09-23 12:43:13 +0000
commit6c57a4a985a1e4a49d1aeaf2684166cf2e122cfb (patch)
treee8e3b42f89799281e815d5b561bf907f66aa837d /src/plugins/nat/test/test_nat.py
parent4da1506d39eb8f67ed2c48c76916bb6bcca6fbf1 (diff)
nat: fix update of outside fibs (output-feature)
NAT hasn't worked when NAT interfaces wasn't in default VRF (fib_index = 0). This issue has been occurred with interfaces with output-feature in endpoint-dependent mode. Update VAT commands: - update nat44_add_del_address_range - add nat44_interface_add_del_output_feature Ticket: VPP-1732 Type: fix Change-Id: Iddea15dde4b948f159a0056d48c55bd917037fd1 Signed-off-by: Dmitry Vakhrushev <dmitry@netgate.com>
Diffstat (limited to 'src/plugins/nat/test/test_nat.py')
-rw-r--r--src/plugins/nat/test/test_nat.py121
1 files changed, 120 insertions, 1 deletions
diff --git a/src/plugins/nat/test/test_nat.py b/src/plugins/nat/test/test_nat.py
index 4d48ee494c6..ad44dbd69bd 100644
--- a/src/plugins/nat/test/test_nat.py
+++ b/src/plugins/nat/test/test_nat.py
@@ -4414,7 +4414,7 @@ class TestNAT44EndpointDependent(MethodHolder):
cls.ipfix_domain_id = 1
cls.tcp_external_port = 80
- cls.create_pg_interfaces(range(7))
+ cls.create_pg_interfaces(range(9))
cls.interfaces = list(cls.pg_interfaces[0:3])
for i in cls.interfaces:
@@ -4493,6 +4493,16 @@ class TestNAT44EndpointDependent(MethodHolder):
cls.pg5.resolve_arp()
cls.pg6.resolve_arp()
+ cls.pg7.admin_up()
+ cls.pg7.config_ip4()
+ cls.pg7.resolve_arp()
+ cls.pg7.generate_remote_hosts(3)
+ cls.pg7.configure_ipv4_neighbors()
+
+ cls.pg8.admin_up()
+ cls.pg8.config_ip4()
+ cls.pg8.resolve_arp()
+
except Exception:
super(TestNAT44EndpointDependent, cls).tearDownClass()
raise
@@ -4767,6 +4777,115 @@ class TestNAT44EndpointDependent(MethodHolder):
sessions = self.statistics.get_counter('/nat44/total-sessions')
self.assertEqual(sessions[0][0], 3)
+ def test_dynamic_output_feature_vrf(self):
+ """ NAT44 dynamic translation test: output-feature, VRF"""
+
+ # other then default (0)
+ new_vrf_id = 22
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_output_feature(
+ sw_if_index=self.pg7.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_output_feature(
+ sw_if_index=self.pg8.sw_if_index,
+ is_add=1)
+
+ try:
+ self.vapi.ip_table_add_del(is_add=1, table_id=new_vrf_id)
+
+ self.pg7.unconfig_ip4()
+ self.pg7.set_table_ip4(new_vrf_id)
+ self.pg7.config_ip4()
+ self.pg7.resolve_arp()
+
+ self.pg8.unconfig_ip4()
+ self.pg8.set_table_ip4(new_vrf_id)
+ self.pg8.config_ip4()
+ self.pg8.resolve_arp()
+
+ nat_config = self.vapi.nat_show_config()
+ self.assertEqual(1, nat_config.endpoint_dependent)
+
+ # in2out
+ tcpn = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/TCP packets')
+ udpn = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/UDP packets')
+ icmpn = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/ICMP packets')
+ totaln = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/good in2out packets processed')
+
+ pkts = self.create_stream_in(self.pg7, self.pg8)
+ self.pg7.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg8.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/TCP packets')
+ self.assertEqual(err - tcpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/UDP packets')
+ self.assertEqual(err - udpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/ICMP packets')
+ self.assertEqual(err - icmpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/good in2out packets processed')
+ self.assertEqual(err - totaln, 3)
+
+ # out2in
+ tcpn = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/TCP packets')
+ udpn = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/UDP packets')
+ icmpn = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in-slowpath/ICMP packets')
+ totaln = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/good out2in packets processed')
+
+ pkts = self.create_stream_out(self.pg8)
+ self.pg8.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg7.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg7)
+
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/TCP packets')
+ self.assertEqual(err - tcpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/UDP packets')
+ self.assertEqual(err - udpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in-slowpath/ICMP packets')
+ self.assertEqual(err - icmpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/good out2in packets processed')
+ self.assertEqual(err - totaln, 2)
+
+ users = self.statistics.get_counter('/nat44/total-users')
+ self.assertEqual(users[0][0], 1)
+ sessions = self.statistics.get_counter('/nat44/total-sessions')
+ self.assertEqual(sessions[0][0], 3)
+
+ finally:
+ self.pg7.unconfig_ip4()
+ self.pg7.set_table_ip4(1)
+ self.pg7.config_ip4()
+ self.pg7.resolve_arp()
+
+ self.pg8.unconfig_ip4()
+ self.pg8.set_table_ip4(1)
+ self.pg8.config_ip4()
+ self.pg8.resolve_arp()
+
+ self.vapi.ip_table_add_del(is_add=0, table_id=new_vrf_id)
+
def test_forwarding(self):
""" NAT44 forwarding test """