neutron/neutron/tests/unit/privileged/agent/linux/test_utils.py

76 lines
3.0 KiB
Python

# Copyright 2020 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import mock
from oslo_concurrency import processutils
from neutron.privileged.agent.linux import utils as priv_utils
from neutron.tests import base
NETSTAT_NETNS_OUTPUT = ("""
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State\
PID/Program name
tcp 0 0 0.0.0.0:9697 0.0.0.0:* LISTEN\
1347/python
raw 0 0 0.0.0.0:112 0.0.0.0:* 7\
1279/keepalived
raw 0 0 0.0.0.0:112 0.0.0.0:* 7\
1279/keepalived
raw6 0 0 :::58 :::* 7\
1349/radvd
Active UNIX domain sockets (only servers)
Proto RefCnt Flags Type State I-Node PID/Program name\
Path
unix 2 [ ACC ] STREAM LISTENING 82039530 1353/python\
/tmp/rootwrap-VKSm8a/rootwrap.sock
""")
NETSTAT_NO_NAMESPACE = ("""
Cannot open network namespace "qrouter-e6f206b2-4e8d-4597-a7e1-c3a20337e9c6":\
No such file or directory
""")
NETSTAT_NO_LISTEN_PROCS = ("""
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State\
PID/Program name
Active UNIX domain sockets (only servers)
Proto RefCnt Flags Type State I-Node PID/Program name\
Path
""")
class FindListenPidsNamespaceTestCase(base.BaseTestCase):
def _test_find_listen_pids_namespace_helper(self, expected,
netstat_output=None):
with mock.patch.object(processutils, 'execute') as mock_execute:
mock_execute.return_value = (netstat_output, mock.ANY)
observed = priv_utils._find_listen_pids_namespace(mock.ANY)
self.assertEqual(sorted(expected), sorted(observed))
def test_find_listen_pids_namespace_correct_output(self):
expected = ['1347', '1279', '1349', '1353']
self._test_find_listen_pids_namespace_helper(expected,
NETSTAT_NETNS_OUTPUT)
def test_find_listen_pids_namespace_no_procs(self):
self._test_find_listen_pids_namespace_helper([],
NETSTAT_NO_LISTEN_PROCS)
def test_find_listen_pids_namespace_no_namespace(self):
self._test_find_listen_pids_namespace_helper([], NETSTAT_NO_NAMESPACE)