diff options
-rwxr-xr-x | smoketest/scripts/cli/test_system_flow-accounting.py | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/smoketest/scripts/cli/test_system_flow-accounting.py b/smoketest/scripts/cli/test_system_flow-accounting.py new file mode 100755 index 000000000..a2b5b1481 --- /dev/null +++ b/smoketest/scripts/cli/test_system_flow-accounting.py @@ -0,0 +1,80 @@ +#!/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 import Section +from vyos.util import cmd +from vyos.util import process_named_running +from vyos.util import read_file + +PROCESS_NAME = 'uacctd' +base_path = ['system', 'flow-accounting'] + +uacctd_conf = '/etc/pmacct/uacctd.conf' + +class TestSystemFlowAccounting(VyOSUnitTestSHIM.TestCase): + @classmethod + def setUpClass(cls): + super(cls, cls).setUpClass() + + # ensure we can also run this test on a live system - so lets clean + # out the current configuration :) + cls.cli_delete(cls, base_path) + + def tearDown(self): + self.cli_delete(base_path) + self.cli_commit() + + # after service removal process must no longer run + self.assertFalse(process_named_running(PROCESS_NAME)) + + def test_basic(self): + buffer_size = '5' # MiB + self.cli_set(base_path + ['buffer-size', buffer_size]) + + # You need to configure at least one interface for flow-accounting + with self.assertRaises(ConfigSessionError): + self.cli_commit() + for interface in Section.interfaces('ethernet'): + self.cli_set(base_path + ['interface', interface]) + + # commit changes + self.cli_commit() + + # verify configuration + tmp = cmd('sudo iptables-save -t raw') + for interface in Section.interfaces('ethernet'): + self.assertIn(f'-A VYATTA_CT_PREROUTING_HOOK -i {interface} -m comment --comment FLOW_ACCOUNTING_RULE -j NFLOG --nflog-group 2 --nflog-size 128 --nflog-threshold 100', tmp) + + uacctd = read_file(uacctd_conf) + # circular queue size - buffer_size + tmp = int(buffer_size) *1024 *1024 + self.assertIn(f'plugin_pipe_size: {tmp}', uacctd) + # transfer buffer size - recommended value from pmacct developers 1/1000 of pipe size + tmp = int(buffer_size) *1024 *1024 + # do an integer division + tmp //= 1000 + self.assertIn(f'plugin_buffer_size: {tmp}', uacctd) + + # Check for running process + self.assertTrue(process_named_running(PROCESS_NAME)) + +if __name__ == '__main__': + unittest.main(verbosity=2) |