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-rwxr-xr-xsmoketest/scripts/cli/test_nat66.py96
1 files changed, 82 insertions, 14 deletions
diff --git a/smoketest/scripts/cli/test_nat66.py b/smoketest/scripts/cli/test_nat66.py
index c1514270d..f94f77b60 100755
--- a/smoketest/scripts/cli/test_nat66.py
+++ b/smoketest/scripts/cli/test_nat66.py
@@ -20,10 +20,13 @@ import json
import unittest
from vyos.configsession import ConfigSession
+from vyos.configsession import ConfigSessionError
from vyos.util import cmd
+from vyos.util import dict_search
base_path = ['nat66']
-snat_pattern = 'nftables[?rule].rule[?chain].{chain: chain, comment: comment, prefix: { network: expr[].match.right.prefix.addr | [0], prefix: expr[].match.right.prefix.len | [0]},saddr: {network: expr[].snat.addr.prefix.addr | [0], prefix: expr[].snat.addr.prefix.len | [0]}}'
+src_path = base_path + ['source']
+dst_path = base_path + ['destination']
class TestNAT66(unittest.TestCase):
def setUp(self):
@@ -37,26 +40,91 @@ class TestNAT66(unittest.TestCase):
self.session.commit()
def test_source_nat66(self):
+ source_prefix = 'fc00::/64'
+ translation_prefix = 'fc01::/64'
+ self.session.set(src_path + ['rule', '1', 'outbound-interface', 'eth1'])
+ self.session.set(src_path + ['rule', '1', 'source', 'prefix', source_prefix])
+ self.session.set(src_path + ['rule', '1', 'translation', 'prefix', translation_prefix])
+
+ # check validate() - outbound-interface must be defined
+ self.session.commit()
+
+ tmp = cmd('sudo nft -j list table ip6 nat')
+ data_json = jmespath.search('nftables[?rule].rule[?chain]', json.loads(tmp))
+
+ for idx in range(0, len(data_json)):
+ data = data_json[idx]
+
+ self.assertEqual(data['chain'], 'POSTROUTING')
+ self.assertEqual(data['family'], 'ip6')
+ self.assertEqual(data['table'], 'nat')
+
+ iface = dict_search('match.right', data['expr'][0])
+ address = dict_search('match.right.prefix.addr', data['expr'][2])
+ mask = dict_search('match.right.prefix.len', data['expr'][2])
+ translation_address = dict_search('snat.addr.prefix.addr', data['expr'][3])
+ translation_mask = dict_search('snat.addr.prefix.len', data['expr'][3])
+
+ self.assertEqual(iface, 'eth1')
+ # check for translation address
+ self.assertEqual(f'{translation_address}/{translation_mask}', translation_prefix)
+
+ self.assertEqual(f'{address}/{mask}', source_prefix)
+
+ def test_destination_nat66(self):
+ source_address = 'fc00::1'
+ translation_address = 'fc01::1'
+ self.session.set(dst_path + ['rule', '1', 'inbound-interface', 'eth1'])
+ self.session.set(dst_path + ['rule', '1', 'destination', 'address', source_address])
+ self.session.set(dst_path + ['rule', '1', 'translation', 'address', translation_address])
+
+ # check validate() - outbound-interface must be defined
+ self.session.commit()
+
+ tmp = cmd('sudo nft -j list table ip6 nat')
+ data_json = jmespath.search('nftables[?rule].rule[?chain]', json.loads(tmp))
+
+ for idx in range(0, len(data_json)):
+ data = data_json[idx]
+
+ self.assertEqual(data['chain'], 'PREROUTING')
+ self.assertEqual(data['family'], 'ip6')
+ self.assertEqual(data['table'], 'nat')
- path = base_path + ['source']
+ iface = dict_search('match.right', data['expr'][0])
+ dnat_addr = dict_search('dnat.addr', data['expr'][3])
+
+ self.assertEqual(dnat_addr, translation_address)
+ self.assertEqual(iface, 'eth1')
+
+ def test_snat_required_translation_prefix(self):
+ # T2813: Ensure translation address is specified
+ rule = '5'
source_prefix = 'fc00::/64'
translation_prefix = 'fc00:2::/64'
- self.session.set(path + ['rule', '1', 'outbound-interface', 'eth1'])
- self.session.set(path + ['rule', '1', 'source', 'prefix', source_prefix])
- self.session.set(path + ['rule', '1', 'translation', 'prefix', translation_prefix])
+ self.session.set(src_path + ['rule', rule, 'source', 'prefix', source_prefix])
# check validate() - outbound-interface must be defined
+ with self.assertRaises(ConfigSessionError):
+ self.session.commit()
+ self.session.set(src_path + ['rule', rule, 'outbound-interface', 'eth0'])
+
+ # check validate() - translation address not specified
+ with self.assertRaises(ConfigSessionError):
+ self.session.commit()
+
+ self.session.set(src_path + ['rule', rule, 'translation', 'prefix', translation_prefix])
self.session.commit()
- tmp = cmd('sudo nft -j list table ip6 nat')
- nftable_json = json.loads(tmp)
- condensed_json = jmespath.search(snat_pattern, nftable_json)[0]
-
- self.assertEqual(condensed_json['comment'], 'NPT-NAT-1')
- self.assertEqual(condensed_json['prefix']['network'], source_prefix.split('/')[0])
- self.assertEqual(str(condensed_json['prefix']['prefix']), source_prefix.split('/')[1])
- self.assertEqual(condensed_json['saddr']['network'], translation_prefix.split('/')[0])
- self.assertEqual(str(condensed_json['saddr']['prefix']), translation_prefix.split('/')[1])
+ def test_nat66_no_rules(self):
+ # T3206: deleting all rules but keep the direction 'destination' or
+ # 'source' resulteds in KeyError: 'rule'.
+ #
+ # Test that both 'nat destination' and 'nat source' nodes can exist
+ # without any rule
+ self.session.set(src_path)
+ self.session.set(dst_path)
+ self.session.commit()
if __name__ == '__main__':
unittest.main(verbosity=2)