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test_config_dependency.py
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test_config_dependency.py
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#!/usr/bin/env python3
# Copyright 2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library. If not, see <http://www.gnu.org/licenses/>.
import unittest
from time import sleep
from vyos.utils.process import is_systemd_service_running
from vyos.utils.process import cmd
from vyos.configsession import ConfigSessionError
from base_vyostest_shim import VyOSUnitTestSHIM
class TestConfigDep(VyOSUnitTestSHIM.TestCase):
@classmethod
def setUpClass(cls):
# smoketests are run without configd in 1.4; with configd in 1.5
# the tests below check behavior under configd:
# test_configdep_error checks for regression under configd (T6559)
# test_configdep_prio_queue checks resolution under configd (T6671)
cls.running_state = is_systemd_service_running('vyos-configd.service')
if not cls.running_state:
cmd('sudo systemctl start vyos-configd.service')
# allow time for init
sleep(1)
super(TestConfigDep, cls).setUpClass()
@classmethod
def tearDownClass(cls):
super(TestConfigDep, cls).tearDownClass()
# return to running_state
if not cls.running_state:
cmd('sudo systemctl stop vyos-configd.service')
def test_configdep_error(self):
address_group = 'AG'
address = '192.168.137.5'
nat_base = ['nat', 'source', 'rule', '10']
interface = 'eth1'
self.cli_set(['firewall', 'group', 'address-group', address_group,
'address', address])
self.cli_set(nat_base + ['outbound-interface', 'name', interface])
self.cli_set(nat_base + ['source', 'group', 'address-group', address_group])
self.cli_set(nat_base + ['translation', 'address', 'masquerade'])
self.cli_commit()
self.cli_delete(['firewall'])
# check error in call to dependent script (nat)
with self.assertRaises(ConfigSessionError):
self.cli_commit()
# clean up remaining
self.cli_delete(['nat'])
self.cli_commit()
def test_configdep_prio_queue(self):
# confirm that that a dependency (in this case, conntrack ->
# conntrack-sync) is not immediately called if the target is
# scheduled in the priority queue, indicating that it may require an
# intermediate activitation (bond0)
bonding_base = ['interfaces', 'bonding']
bond_interface = 'bond0'
bond_address = '192.0.2.1/24'
vrrp_group_base = ['high-availability', 'vrrp', 'group']
vrrp_sync_group_base = ['high-availability', 'vrrp', 'sync-group']
vrrp_group = 'ETH2'
vrrp_sync_group = 'GROUP'
conntrack_sync_base = ['service', 'conntrack-sync']
conntrack_peer = '192.0.2.77'
# simple set to trigger in-session conntrack -> conntrack-sync
# dependency; note that this is triggered on boot in 1.4 due to
# default 'system conntrack modules'
self.cli_set(['system', 'conntrack', 'table-size', '524288'])
self.cli_set(['interfaces', 'ethernet', 'eth2', 'address',
'198.51.100.2/24'])
self.cli_set(bonding_base + [bond_interface, 'address',
bond_address])
self.cli_set(bonding_base + [bond_interface, 'member', 'interface',
'eth3'])
self.cli_set(vrrp_group_base + [vrrp_group, 'address',
'198.51.100.200/24'])
self.cli_set(vrrp_group_base + [vrrp_group, 'hello-source-address',
'198.51.100.2'])
self.cli_set(vrrp_group_base + [vrrp_group, 'interface', 'eth2'])
self.cli_set(vrrp_group_base + [vrrp_group, 'priority', '200'])
self.cli_set(vrrp_group_base + [vrrp_group, 'vrid', '22'])
self.cli_set(vrrp_sync_group_base + [vrrp_sync_group, 'member',
vrrp_group])
self.cli_set(conntrack_sync_base + ['failover-mechanism', 'vrrp',
'sync-group', vrrp_sync_group])
self.cli_set(conntrack_sync_base + ['interface', bond_interface,
'peer', conntrack_peer])
self.cli_commit()
# clean up
self.cli_delete(bonding_base)
self.cli_delete(vrrp_group_base)
self.cli_delete(vrrp_sync_group_base)
self.cli_delete(conntrack_sync_base)
self.cli_delete(['interfaces', 'ethernet', 'eth2', 'address'])
self.cli_delete(['system', 'conntrack', 'table-size'])
self.cli_commit()
if __name__ == '__main__':
unittest.main(verbosity=2)

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