From 44c67e54ef6ecdf4d7b62e765ccfa4e724c14316 Mon Sep 17 00:00:00 2001 From: Christian Poessinger Date: Thu, 7 Apr 2022 20:43:39 +0200 Subject: policy: T4194: simplify prefix-list duplication checks Commit 5dafe255d ("policy: T4194: Add prefix-list duplication checks") added first support for FRR prefix-list duplication checks. FRR does not allow to specify the same profix list rule multiple times. vyos(config)# ip prefix-list foo seq 10 permit 192.0.2.0/24 vyos(config)# ip prefix-list foo seq 20 permit 192.0.2.0/24 % Configuration failed. Error type: validation Error description: duplicated prefix list value: 192.0.2.0/24 There is a VyOS verify() function which simply probed for the prefix, action, le and ge settings - but as Python has excellent support when comparing data, this can be as simple as a dictionary comparison using "==". --- smoketest/scripts/cli/test_policy.py | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) (limited to 'smoketest/scripts') diff --git a/smoketest/scripts/cli/test_policy.py b/smoketest/scripts/cli/test_policy.py index 0acd41903..b232a2241 100755 --- a/smoketest/scripts/cli/test_policy.py +++ b/smoketest/scripts/cli/test_policy.py @@ -665,6 +665,40 @@ class TestPolicy(VyOSUnitTestSHIM.TestCase): self.assertIn(tmp, config) + def test_prefix_list_duplicates(self): + # FRR does not allow to specify the same profix list rule multiple times + # + # vyos(config)# ip prefix-list foo seq 10 permit 192.0.2.0/24 + # vyos(config)# ip prefix-list foo seq 20 permit 192.0.2.0/24 + # % Configuration failed. + # Error type: validation + # Error description: duplicated prefix list value: 192.0.2.0/24 + + # There is also a VyOS verify() function to test this + + prefix = '100.64.0.0/10' + prefix_list = 'duplicates' + test_range = range(20, 25) + path = base_path + ['prefix-list', prefix_list] + + for rule in test_range: + self.cli_set(path + ['rule', str(rule), 'action', 'permit']) + self.cli_set(path + ['rule', str(rule), 'prefix', prefix]) + + # Duplicate prefixes + with self.assertRaises(ConfigSessionError): + self.cli_commit() + + for rule in test_range: + self.cli_set(path + ['rule', str(rule), 'le', str(rule)]) + + self.cli_commit() + + config = self.getFRRconfig('ip prefix-list', end='') + for rule in test_range: + tmp = f'ip prefix-list {prefix_list} seq {rule} permit {prefix} le {rule}' + self.assertIn(tmp, config) + def test_route_map(self): access_list = '50' as_path_list = '100' -- cgit v1.2.3