From a8e4317c61b1253fa02044cffc7a588d45259a5e Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Thu, 7 Jan 2021 17:01:09 +0100
Subject: smoketest: interfaces: test dhcpv6 pd sla-id auto increment
---
smoketest/scripts/cli/base_interfaces_test.py | 125 ++++++++++++++++++++------
1 file changed, 96 insertions(+), 29 deletions(-)
(limited to 'smoketest')
diff --git a/smoketest/scripts/cli/base_interfaces_test.py b/smoketest/scripts/cli/base_interfaces_test.py
index 8ee5395d0..ad7886414 100644
--- a/smoketest/scripts/cli/base_interfaces_test.py
+++ b/smoketest/scripts/cli/base_interfaces_test.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2019-2020 VyOS maintainers and contributors
+# Copyright (C) 2019-2021 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
@@ -12,7 +12,6 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
-import re
import os
import unittest
import json
@@ -51,17 +50,6 @@ def is_mirrored_to(interface, mirror_if, qdisc):
ret_val = True
return ret_val
-
-dhcp6c_config_file = '/run/dhcp6c/dhcp6c.{}.conf'
-def get_dhcp6c_config_value(interface, key):
- tmp = read_file(dhcp6c_config_file.format(interface))
- tmp = re.findall(r'\n?{}\s+(.*)'.format(key), tmp)
-
- out = []
- for item in tmp:
- out.append(item.replace(';',''))
- return out
-
class BasicInterfaceTest:
class BaseTest(unittest.TestCase):
_test_ip = False
@@ -378,13 +366,73 @@ class BasicInterfaceTest:
self.assertEqual(dad_transmits, tmp)
- def test_ipv6_dhcpv6_prefix_delegation(self):
+ def test_ipv6_dhcpv6_pd_auto_inc_sla_id(self):
if not self._test_ipv6:
return None
+ address = '1'
+ prefix_len = '56'
+ sla_len = str(64 - int(prefix_len))
+
+ delegatees = ['dum2340', 'dum2341', 'dum2342', 'dum2343', 'dum2344']
+
+ for interface in self._interfaces:
+ path = self._base_path + [interface]
+ for option in self._options.get(interface, []):
+ self.session.set(path + option.split())
+
+ # prefix delegation stuff
+ pd_base = path + ['dhcpv6-options', 'pd', '0']
+ self.session.set(pd_base + ['length', prefix_len])
+
+ for delegatee in delegatees:
+ section = Section.section(delegatee)
+ self.session.set(['interfaces', section, delegatee])
+ self.session.set(pd_base + ['interface', delegatee, 'address', address])
+ # increment interface address
+ address = str(int(address) + 1)
+
+ self.session.commit()
+
address = '1'
sla_id = '0'
- sla_len = '8'
+ for interface in self._interfaces:
+ dhcpc6_config = read_file(f'/run/dhcp6c/dhcp6c.{interface}.conf')
+
+ # verify DHCPv6 prefix delegation
+ self.assertIn(f'prefix ::/{prefix_len} infinity;', dhcpc6_config)
+
+ for delegatee in delegatees:
+ self.assertIn(f'prefix-interface {delegatee}' + r' {', dhcpc6_config)
+ self.assertIn(f'ifid {address};', dhcpc6_config)
+ self.assertIn(f'sla-id {sla_id};', dhcpc6_config)
+ self.assertIn(f'sla-len {sla_len};', dhcpc6_config)
+
+ # increment sla-id
+ sla_id = str(int(sla_id) + 1)
+ # increment interface address
+ address = str(int(address) + 1)
+
+ # Check for running process
+ self.assertTrue(process_named_running('dhcp6c'))
+
+ for delegatee in delegatees:
+ # we can already cleanup the test delegatee interface here
+ # as until commit() is called, nothing happens
+ section = Section.section(delegatee)
+ self.session.delete(['interfaces', section, delegatee])
+
+ def test_ipv6_dhcpv6_pd_manual_sla_id(self):
+ if not self._test_ipv6:
+ return None
+
+ address = '1'
+ prefix_len = '56'
+ sla_len = str(64 - int(prefix_len))
+ sla_id = '1'
+
+ delegatees = ['dum3340', 'dum3341', 'dum3342', 'dum3343', 'dum3344']
+
for interface in self._interfaces:
path = self._base_path + [interface]
for option in self._options.get(interface, []):
@@ -392,25 +440,44 @@ class BasicInterfaceTest:
# prefix delegation stuff
pd_base = path + ['dhcpv6-options', 'pd', '0']
- self.session.set(pd_base + ['length', '56'])
- self.session.set(pd_base + ['interface', interface, 'address', address])
- self.session.set(pd_base + ['interface', interface, 'sla-id', sla_id])
+ self.session.set(pd_base + ['length', prefix_len])
+
+ for delegatee in delegatees:
+ section = Section.section(delegatee)
+ self.session.set(['interfaces', section, delegatee])
+ self.session.set(pd_base + ['interface', delegatee, 'address', address])
+ self.session.set(pd_base + ['interface', delegatee, 'sla-id', address])
+
+ # increment interface address
+ address = str(int(address) + 1)
+ sla_id = str(int(sla_id) + 1)
self.session.commit()
+ address = '1'
+ sla_id = '1'
for interface in self._interfaces:
+ dhcpc6_config = read_file(f'/run/dhcp6c/dhcp6c.{interface}.conf')
+
# verify DHCPv6 prefix delegation
- # will return: ['delegation', '::/56 infinity;']
- tmp = get_dhcp6c_config_value(interface, 'prefix')[1].split()[0] # mind the whitespace
- self.assertEqual(tmp, '::/56')
- tmp = get_dhcp6c_config_value(interface, 'prefix-interface')[0].split()[0]
- self.assertEqual(tmp, interface)
- tmp = get_dhcp6c_config_value(interface, 'ifid')[0]
- self.assertEqual(tmp, address)
- tmp = get_dhcp6c_config_value(interface, 'sla-id')[0]
- self.assertEqual(tmp, sla_id)
- tmp = get_dhcp6c_config_value(interface, 'sla-len')[0]
- self.assertEqual(tmp, sla_len)
+ self.assertIn(f'prefix ::/{prefix_len} infinity;', dhcpc6_config)
+
+ for delegatee in delegatees:
+ self.assertIn(f'prefix-interface {delegatee}' + r' {', dhcpc6_config)
+ self.assertIn(f'ifid {address};', dhcpc6_config)
+ self.assertIn(f'sla-id {sla_id};', dhcpc6_config)
+ self.assertIn(f'sla-len {sla_len};', dhcpc6_config)
+
+ # increment sla-id
+ sla_id = str(int(sla_id) + 1)
+ # increment interface address
+ address = str(int(address) + 1)
# Check for running process
self.assertTrue(process_named_running('dhcp6c'))
+
+ for delegatee in delegatees:
+ # we can already cleanup the test delegatee interface here
+ # as until commit() is called, nothing happens
+ section = Section.section(delegatee)
+ self.session.delete(['interfaces', section, delegatee])
--
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