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SNAT: add API and test for NAT pool address from interface

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Change-Id: I2a868f736fae8d37b438c604a9284653ea415541
Signed-off-by: Matus Fabian <matfabia@cisco.com>
This commit is contained in:
Matus Fabian
2017-01-12 04:24:35 -08:00
committed by Damjan Marion
parent 97f6edc1f5
commit 8bf68e858a
5 changed files with 287 additions and 17 deletions
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26
test/test_snat.py
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@ -26,7 +26,7 @@ class TestSNAT(VppTestCase):
cls.icmp_id_out = 6305
cls.snat_addr = '10.0.0.3'
cls.create_pg_interfaces(range(7))
cls.create_pg_interfaces(range(8))
cls.interfaces = list(cls.pg_interfaces[0:4])
for i in cls.interfaces:
@ -48,6 +48,8 @@ class TestSNAT(VppTestCase):
i.admin_up()
i.resolve_arp()
cls.pg7.admin_up()
except Exception:
super(TestSNAT, cls).tearDownClass()
raise
@ -178,6 +180,10 @@ class TestSNAT(VppTestCase):
"""
Clear SNAT configuration.
"""
interfaces = self.vapi.snat_interface_addr_dump()
for intf in interfaces:
self.vapi.snat_add_interface_addr(intf.sw_if_index, is_add=0)
interfaces = self.vapi.snat_interface_dump()
for intf in interfaces:
self.vapi.snat_interface_add_del_feature(intf.sw_if_index,
@ -623,6 +629,24 @@ class TestSNAT(VppTestCase):
# verify number of translated packet
self.pg1.get_capture(pkts_num)
def test_interface_addr(self):
""" Acquire SNAT addresses from interface """
self.vapi.snat_add_interface_addr(self.pg7.sw_if_index)
# no address in NAT pool
adresses = self.vapi.snat_address_dump()
self.assertEqual(0, len(adresses))
# configure interface address and check NAT address pool
self.pg7.config_ip4()
adresses = self.vapi.snat_address_dump()
self.assertEqual(1, len(adresses))
# remove interface address and check NAT address pool
self.pg7.unconfig_ip4()
adresses = self.vapi.snat_address_dump()
self.assertEqual(0, len(adresses))
def tearDown(self):
super(TestSNAT, self).tearDown()
if not self.vpp_dead: