smoketest: vrrp: T616: add basic smoketest to verify keepalived configuration

(cherry picked from commit ddda0d66faa73900ed2b8fec1dde38ffc4a49fcd)

1 files changed, 167 insertions, 0 deletions

diff --git a/smoketest/scripts/cli/test_ha_vrrp.py b/smoketest/scripts/cli/test_ha_vrrp.py
new file mode 100755
index 000000000..03618c7d8
--- /dev/null
+++ b/smoketest/scripts/cli/test_ha_vrrp.py
@@ -0,0 +1,167 @@
+#!/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 os
+import re
+import unittest
+
+from base_vyostest_shim import VyOSUnitTestSHIM
+
+from vyos.configsession import ConfigSession
+from vyos.configsession import ConfigSessionError
+from vyos.util import cmd
+from vyos.util import process_named_running
+from vyos.util import read_file
+
+from vyos.template import inc_ip
+
+PROCESS_NAME = 'keepalived'
+KEEPALIVED_CONF = '/etc/keepalived/keepalived.conf'
+base_path = ['high-availability', 'vrrp']
+
+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))
+
+        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 + ['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 + ['virtual-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.assertIn(f'    {vip}', config)
+
+    def test_02_simple_options(self):
+        advertise_interval = '77'
+        priority = '123'
+        preempt_delay = '400'
+
+        for group in groups:
+            vlan_id = group.lstrip('VLAN')
+            vip = f'100.64.{vlan_id}.1/24'
+            group_base = base_path + ['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 + ['virtual-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'vyos-{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'# {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 "vyos-{group}"', config)
+            self.assertIn(f'auth_type PASS', 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 + ['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 + ['virtual-address', vip])
+            self.cli_set(group_base + ['vrid', vlan_id])
+
+            self.cli_set(base_path + ['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.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)
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2, failfast=True)