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test_ha_vrrp.py
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test_ha_vrrp.py
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#!/usr/bin/env python3
#
# Copyright (C) 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
# published by the Free Software Foundation.
#
# This program 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 General Public License for more details.
#
# 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 unittest
from base_vyostest_shim import VyOSUnitTestSHIM
from vyos.configsession import ConfigSessionError
from vyos.ifconfig.vrrp import VRRP
from vyos.utils.process import cmd
from vyos.utils.process import process_named_running
from vyos.utils.file import read_file
from vyos.template import inc_ip
PROCESS_NAME = 'keepalived'
KEEPALIVED_CONF = VRRP.location['config']
base_path = ['high-availability']
vrrp_interface = 'eth1'
groups = ['VLAN77', 'VLAN78', 'VLAN201']
def getConfig(string, end='}'):
command = f'cat {KEEPALIVED_CONF} | sed -n "/^{string}/,/^{end}/p"'
out = cmd(command)
return out
class TestVRRP(VyOSUnitTestSHIM.TestCase):
def tearDown(self):
# Check for running process
self.assertTrue(process_named_running(PROCESS_NAME))
for group in groups:
vlan_id = group.lstrip('VLAN')
self.cli_delete(['interfaces', 'ethernet', vrrp_interface, 'vif', vlan_id])
self.cli_delete(base_path)
self.cli_commit()
# Process must be terminated after deleting the config
self.assertFalse(process_named_running(PROCESS_NAME))
def test_01_default_values(self):
for group in groups:
vlan_id = group.lstrip('VLAN')
vip = f'100.64.{vlan_id}.1/24'
group_base = base_path + ['vrrp', 'group', group]
self.cli_set(['interfaces', 'ethernet', vrrp_interface, 'vif', vlan_id, 'address', inc_ip(vip, 1) + '/' + vip.split('/')[-1]])
self.cli_set(group_base + ['description', group])
self.cli_set(group_base + ['interface', f'{vrrp_interface}.{vlan_id}'])
self.cli_set(group_base + ['address', vip])
self.cli_set(group_base + ['vrid', vlan_id])
# commit changes
self.cli_commit()
for group in groups:
vlan_id = group.lstrip('VLAN')
vip = f'100.64.{vlan_id}.1/24'
config = getConfig(f'vrrp_instance {group}')
self.assertIn(f'# {group}', config)
self.assertIn(f'interface {vrrp_interface}.{vlan_id}', config)
self.assertIn(f'virtual_router_id {vlan_id}', config)
self.assertIn(f'priority 100', config) # default value
self.assertIn(f'advert_int 1', config) # default value
self.assertIn(f'preempt_delay 0', config) # default value
self.assertNotIn(f'use_vmac', config)
self.assertIn(f' {vip}', config)
def test_02_simple_options(self):
advertise_interval = '77'
priority = '123'
preempt_delay = '400'
startup_delay = '120'
garp_master_delay = '2'
garp_master_repeat = '3'
garp_master_refresh = '4'
garp_master_refresh_repeat = '5'
garp_interval = '1.5'
group_garp_master_delay = '12'
group_garp_master_repeat = '13'
group_garp_master_refresh = '14'
vrrp_version = '3'
for group in groups:
vlan_id = group.lstrip('VLAN')
vip = f'100.64.{vlan_id}.1/24'
group_base = base_path + ['vrrp', 'group', group]
global_param_base = base_path + ['vrrp', 'global-parameters']
self.cli_set(['interfaces', 'ethernet', vrrp_interface, 'vif', vlan_id, 'address', inc_ip(vip, 1) + '/' + vip.split('/')[-1]])
self.cli_set(group_base + ['description', group])
self.cli_set(group_base + ['interface', f'{vrrp_interface}.{vlan_id}'])
self.cli_set(group_base + ['address', vip])
self.cli_set(group_base + ['vrid', vlan_id])
self.cli_set(group_base + ['advertise-interval', advertise_interval])
self.cli_set(group_base + ['priority', priority])
self.cli_set(group_base + ['preempt-delay', preempt_delay])
self.cli_set(group_base + ['rfc3768-compatibility'])
# Authentication
self.cli_set(group_base + ['authentication', 'type', 'plaintext-password'])
self.cli_set(group_base + ['authentication', 'password', f'{group}'])
# GARP
self.cli_set(group_base + ['garp', 'master-delay', group_garp_master_delay])
self.cli_set(group_base + ['garp', 'master-repeat', group_garp_master_repeat])
self.cli_set(group_base + ['garp', 'master-refresh', group_garp_master_refresh])
# Global parameters
#config = getConfig(f'global_defs')
self.cli_set(global_param_base + ['startup-delay', f'{startup_delay}'])
self.cli_set(global_param_base + ['garp', 'interval', f'{garp_interval}'])
self.cli_set(global_param_base + ['garp', 'master-delay', f'{garp_master_delay}'])
self.cli_set(global_param_base + ['garp', 'master-repeat', f'{garp_master_repeat}'])
self.cli_set(global_param_base + ['garp', 'master-refresh', f'{garp_master_refresh}'])
self.cli_set(global_param_base + ['garp', 'master-refresh-repeat', f'{garp_master_refresh_repeat}'])
self.cli_set(global_param_base + ['version', vrrp_version])
# commit changes
self.cli_commit()
# Check Global parameters
config = getConfig(f'global_defs')
self.assertIn(f'vrrp_startup_delay {startup_delay}', config)
self.assertIn(f'vrrp_garp_interval {garp_interval}', config)
self.assertIn(f'vrrp_garp_master_delay {garp_master_delay}', config)
self.assertIn(f'vrrp_garp_master_repeat {garp_master_repeat}', config)
self.assertIn(f'vrrp_garp_master_refresh {garp_master_refresh}', config)
self.assertIn(f'vrrp_garp_master_refresh_repeat {garp_master_refresh_repeat}', config)
self.assertIn(f'vrrp_version {vrrp_version}', config)
for group in groups:
vlan_id = group.lstrip('VLAN')
vip = f'100.64.{vlan_id}.1/24'
config = getConfig(f'vrrp_instance {group}')
self.assertIn(f'# {group}', config)
self.assertIn(f'state BACKUP', config)
self.assertIn(f'interface {vrrp_interface}.{vlan_id}', config)
self.assertIn(f'virtual_router_id {vlan_id}', config)
self.assertIn(f'priority {priority}', config)
self.assertIn(f'advert_int {advertise_interval}', config)
self.assertIn(f'preempt_delay {preempt_delay}', config)
self.assertIn(f'use_vmac {vrrp_interface}.{vlan_id}v{vlan_id}', config)
self.assertIn(f' {vip}', config)
# Authentication
self.assertIn(f'auth_pass "{group}"', config)
self.assertIn(f'auth_type PASS', config)
#GARP
self.assertIn(f'garp_master_delay {group_garp_master_delay}', config)
self.assertIn(f'garp_master_refresh {group_garp_master_refresh}', config)
self.assertIn(f'garp_master_repeat {group_garp_master_repeat}', config)
def test_03_sync_group(self):
sync_group = 'VyOS'
for group in groups:
vlan_id = group.lstrip('VLAN')
vip = f'100.64.{vlan_id}.1/24'
group_base = base_path + ['vrrp', 'group', group]
self.cli_set(['interfaces', 'ethernet', vrrp_interface, 'vif', vlan_id, 'address', inc_ip(vip, 1) + '/' + vip.split('/')[-1]])
self.cli_set(group_base + ['interface', f'{vrrp_interface}.{vlan_id}'])
self.cli_set(group_base + ['address', vip])
self.cli_set(group_base + ['vrid', vlan_id])
self.cli_set(base_path + ['vrrp', 'sync-group', sync_group, 'member', group])
# commit changes
self.cli_commit()
for group in groups:
vlan_id = group.lstrip('VLAN')
vip = f'100.64.{vlan_id}.1/24'
config = getConfig(f'vrrp_instance {group}')
self.assertIn(f'interface {vrrp_interface}.{vlan_id}', config)
self.assertIn(f'virtual_router_id {vlan_id}', config)
self.assertNotIn(f'use_vmac', config)
self.assertIn(f' {vip}', config)
config = getConfig(f'vrrp_sync_group {sync_group}')
self.assertIn(r'group {', config)
for group in groups:
self.assertIn(f'{group}', config)
def test_04_exclude_vrrp_interface(self):
group = 'VyOS-WAN'
none_vrrp_interface = 'eth2'
vlan_id = '24'
vip = '100.64.24.1/24'
vip_dev = '192.0.2.2/24'
vrid = '150'
group_base = base_path + ['vrrp', 'group', group]
self.cli_set(['interfaces', 'ethernet', vrrp_interface, 'vif', vlan_id, 'address', '100.64.24.11/24'])
self.cli_set(group_base + ['interface', f'{vrrp_interface}.{vlan_id}'])
self.cli_set(group_base + ['address', vip])
self.cli_set(group_base + ['address', vip_dev, 'interface', none_vrrp_interface])
self.cli_set(group_base + ['track', 'exclude-vrrp-interface'])
self.cli_set(group_base + ['track', 'interface', none_vrrp_interface])
self.cli_set(group_base + ['vrid', vrid])
# commit changes
self.cli_commit()
config = getConfig(f'vrrp_instance {group}')
self.assertIn(f'interface {vrrp_interface}.{vlan_id}', config)
self.assertIn(f'virtual_router_id {vrid}', config)
self.assertIn(f'dont_track_primary', config)
self.assertIn(f' {vip}', config)
self.assertIn(f' {vip_dev} dev {none_vrrp_interface}', config)
self.assertIn(f'track_interface', config)
self.assertIn(f' {none_vrrp_interface}', config)
if __name__ == '__main__':
unittest.main(verbosity=2)

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