openstack/neutron-fwaas
Code Issues Proposed changes
e7d7414548
neutron-fwaas/neutron/tests/unit/test_iptables_manager.py
Kevin Benton 3196cef698 Removes calls to mock.patch.stopall in unit tests 
Removes unnecessary calls to mock.patch.stopall
in individual unit tests since it is now
automatically called from the base test case.

Closes-Bug: #1291130
Change-Id: Ia8e82d6a9a9bc9bd5f48146c1be53069ff1cdb01
2014-03-12 04:17:11 +00:00

619 lines
27 KiB
Python
Raw Blame History

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 Locaweb.
# All Rights Reserved.
#
# 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.
#
# @author: Juliano Martinez, Locaweb.
import inspect
import os
import mock
from neutron.agent.linux import iptables_manager
from neutron.tests import base
from neutron.tests import tools
IPTABLES_ARG = {'bn': iptables_manager.binary_name}
NAT_DUMP = ('# Generated by iptables_manager\n'
'*nat\n'
':neutron-postrouting-bottom - [0:0]\n'
':%(bn)s-OUTPUT - [0:0]\n'
':%(bn)s-snat - [0:0]\n'
':%(bn)s-PREROUTING - [0:0]\n'
':%(bn)s-float-snat - [0:0]\n'
':%(bn)s-POSTROUTING - [0:0]\n'
'[0:0] -A PREROUTING -j %(bn)s-PREROUTING\n'
'[0:0] -A OUTPUT -j %(bn)s-OUTPUT\n'
'[0:0] -A POSTROUTING -j %(bn)s-POSTROUTING\n'
'[0:0] -A POSTROUTING -j neutron-postrouting-bottom\n'
'[0:0] -A neutron-postrouting-bottom -j %(bn)s-snat\n'
'[0:0] -A %(bn)s-snat -j '
'%(bn)s-float-snat\n'
'COMMIT\n'
'# Completed by iptables_manager\n' % IPTABLES_ARG)
FILTER_DUMP = ('# Generated by iptables_manager\n'
'*filter\n'
':neutron-filter-top - [0:0]\n'
':%(bn)s-FORWARD - [0:0]\n'
':%(bn)s-INPUT - [0:0]\n'
':%(bn)s-local - [0:0]\n'
':%(bn)s-OUTPUT - [0:0]\n'
'[0:0] -A FORWARD -j neutron-filter-top\n'
'[0:0] -A OUTPUT -j neutron-filter-top\n'
'[0:0] -A neutron-filter-top -j %(bn)s-local\n'
'[0:0] -A INPUT -j %(bn)s-INPUT\n'
'[0:0] -A OUTPUT -j %(bn)s-OUTPUT\n'
'[0:0] -A FORWARD -j %(bn)s-FORWARD\n'
'COMMIT\n'
'# Completed by iptables_manager\n' % IPTABLES_ARG)
class IptablesManagerStateFulTestCase(base.BaseTestCase):
def setUp(self):
super(IptablesManagerStateFulTestCase, self).setUp()
self.root_helper = 'sudo'
self.iptables = (iptables_manager.
IptablesManager(root_helper=self.root_helper))
self.execute = mock.patch.object(self.iptables, "execute").start()
def test_binary_name(self):
self.assertEqual(iptables_manager.binary_name,
os.path.basename(inspect.stack()[-1][1])[:16])
def test_get_chain_name(self):
name = '0123456789' * 5
# 28 chars is the maximum length of iptables chain name.
self.assertEqual(iptables_manager.get_chain_name(name, wrap=False),
name[:28])
# 11 chars is the maximum length of chain name of iptable_manager
# if binary_name is prepended.
self.assertEqual(iptables_manager.get_chain_name(name, wrap=True),
name[:11])
def test_add_and_remove_chain_custom_binary_name(self):
bn = ("abcdef" * 5)
self.iptables = (iptables_manager.
IptablesManager(root_helper=self.root_helper,
binary_name=bn))
self.execute = mock.patch.object(self.iptables, "execute").start()
iptables_args = {'bn': bn[:16]}
filter_dump = ('# Generated by iptables_manager\n'
'*filter\n'
':neutron-filter-top - [0:0]\n'
':%(bn)s-FORWARD - [0:0]\n'
':%(bn)s-INPUT - [0:0]\n'
':%(bn)s-local - [0:0]\n'
':%(bn)s-filter - [0:0]\n'
':%(bn)s-OUTPUT - [0:0]\n'
'[0:0] -A FORWARD -j neutron-filter-top\n'
'[0:0] -A OUTPUT -j neutron-filter-top\n'
'[0:0] -A neutron-filter-top -j %(bn)s-local\n'
'[0:0] -A INPUT -j %(bn)s-INPUT\n'
'[0:0] -A OUTPUT -j %(bn)s-OUTPUT\n'
'[0:0] -A FORWARD -j %(bn)s-FORWARD\n'
'COMMIT\n'
'# Completed by iptables_manager\n' % iptables_args)
filter_dump_mod = ('# Generated by iptables_manager\n'
'*filter\n'
':neutron-filter-top - [0:0]\n'
':%(bn)s-FORWARD - [0:0]\n'
':%(bn)s-INPUT - [0:0]\n'
':%(bn)s-local - [0:0]\n'
':%(bn)s-filter - [0:0]\n'
':%(bn)s-OUTPUT - [0:0]\n'
'[0:0] -A FORWARD -j neutron-filter-top\n'
'[0:0] -A OUTPUT -j neutron-filter-top\n'
'[0:0] -A neutron-filter-top -j %(bn)s-local\n'
'[0:0] -A INPUT -j %(bn)s-INPUT\n'
'[0:0] -A OUTPUT -j %(bn)s-OUTPUT\n'
'[0:0] -A FORWARD -j %(bn)s-FORWARD\n'
'COMMIT\n'
'# Completed by iptables_manager\n'
% iptables_args)
nat_dump = ('# Generated by iptables_manager\n'
'*nat\n'
':neutron-postrouting-bottom - [0:0]\n'
':%(bn)s-OUTPUT - [0:0]\n'
':%(bn)s-snat - [0:0]\n'
':%(bn)s-PREROUTING - [0:0]\n'
':%(bn)s-float-snat - [0:0]\n'
':%(bn)s-POSTROUTING - [0:0]\n'
'[0:0] -A PREROUTING -j %(bn)s-PREROUTING\n'
'[0:0] -A OUTPUT -j %(bn)s-OUTPUT\n'
'[0:0] -A POSTROUTING -j %(bn)s-POSTROUTING\n'
'[0:0] -A POSTROUTING -j neutron-postrouting-bottom\n'
'[0:0] -A neutron-postrouting-bottom -j %(bn)s-snat\n'
'[0:0] -A %(bn)s-snat -j '
'%(bn)s-float-snat\n'
'COMMIT\n'
'# Completed by iptables_manager\n' % iptables_args)
expected_calls_and_values = [
(mock.call(['iptables-save', '-c'],
root_helper=self.root_helper),
''),
(mock.call(['iptables-restore', '-c'],
process_input=nat_dump + filter_dump_mod,
root_helper=self.root_helper),
None),
(mock.call(['iptables-save', '-c'],
root_helper=self.root_helper),
''),
(mock.call(['iptables-restore', '-c'],
process_input=nat_dump + filter_dump,
root_helper=self.root_helper),
None),
]
tools.setup_mock_calls(self.execute, expected_calls_and_values)
self.iptables.ipv4['filter'].add_chain('filter')
self.iptables.apply()
self.iptables.ipv4['filter'].empty_chain('filter')
self.iptables.apply()
tools.verify_mock_calls(self.execute, expected_calls_and_values)
def test_empty_chain_custom_binary_name(self):
bn = ("abcdef" * 5)[:16]
self.iptables = (iptables_manager.
IptablesManager(root_helper=self.root_helper,
binary_name=bn))
self.execute = mock.patch.object(self.iptables, "execute").start()
iptables_args = {'bn': bn}
filter_dump = ('# Generated by iptables_manager\n'
'*filter\n'
':neutron-filter-top - [0:0]\n'
':%(bn)s-FORWARD - [0:0]\n'
':%(bn)s-INPUT - [0:0]\n'
':%(bn)s-local - [0:0]\n'
':%(bn)s-OUTPUT - [0:0]\n'
'[0:0] -A FORWARD -j neutron-filter-top\n'
'[0:0] -A OUTPUT -j neutron-filter-top\n'
'[0:0] -A neutron-filter-top -j %(bn)s-local\n'
'[0:0] -A INPUT -j %(bn)s-INPUT\n'
'[0:0] -A OUTPUT -j %(bn)s-OUTPUT\n'
'[0:0] -A FORWARD -j %(bn)s-FORWARD\n'
'COMMIT\n'
'# Completed by iptables_manager\n' % iptables_args)
filter_dump_mod = ('# Generated by iptables_manager\n'
'*filter\n'
':neutron-filter-top - [0:0]\n'
':%(bn)s-FORWARD - [0:0]\n'
':%(bn)s-INPUT - [0:0]\n'
':%(bn)s-local - [0:0]\n'
':%(bn)s-filter - [0:0]\n'
':%(bn)s-OUTPUT - [0:0]\n'
'[0:0] -A FORWARD -j neutron-filter-top\n'
'[0:0] -A OUTPUT -j neutron-filter-top\n'
'[0:0] -A neutron-filter-top -j %(bn)s-local\n'
'[0:0] -A INPUT -j %(bn)s-INPUT\n'
'[0:0] -A OUTPUT -j %(bn)s-OUTPUT\n'
'[0:0] -A FORWARD -j %(bn)s-FORWARD\n'
'[0:0] -A %(bn)s-filter -s 0/0 -d 192.168.0.2\n'
'COMMIT\n'
'# Completed by iptables_manager\n'
% iptables_args)
nat_dump = ('# Generated by iptables_manager\n'
'*nat\n'
':neutron-postrouting-bottom - [0:0]\n'
':%(bn)s-OUTPUT - [0:0]\n'
':%(bn)s-snat - [0:0]\n'
':%(bn)s-PREROUTING - [0:0]\n'
':%(bn)s-float-snat - [0:0]\n'
':%(bn)s-POSTROUTING - [0:0]\n'
'[0:0] -A PREROUTING -j %(bn)s-PREROUTING\n'
'[0:0] -A OUTPUT -j %(bn)s-OUTPUT\n'
'[0:0] -A POSTROUTING -j %(bn)s-POSTROUTING\n'
'[0:0] -A POSTROUTING -j neutron-postrouting-bottom\n'
'[0:0] -A neutron-postrouting-bottom -j %(bn)s-snat\n'
'[0:0] -A %(bn)s-snat -j '
'%(bn)s-float-snat\n'
'COMMIT\n'
'# Completed by iptables_manager\n' % iptables_args)
expected_calls_and_values = [
(mock.call(['iptables-save', '-c'],
root_helper=self.root_helper),
''),
(mock.call(['iptables-restore', '-c'],
process_input=nat_dump + filter_dump_mod,
root_helper=self.root_helper),
None),
(mock.call(['iptables-save', '-c'],
root_helper=self.root_helper),
''),
(mock.call(['iptables-restore', '-c'],
process_input=nat_dump + filter_dump,
root_helper=self.root_helper),
None),
]
tools.setup_mock_calls(self.execute, expected_calls_and_values)
self.iptables.ipv4['filter'].add_chain('filter')
self.iptables.ipv4['filter'].add_rule('filter',
'-s 0/0 -d 192.168.0.2')
self.iptables.apply()
self.iptables.ipv4['filter'].remove_chain('filter')
self.iptables.apply()
tools.verify_mock_calls(self.execute, expected_calls_and_values)
def test_add_and_remove_chain(self):
filter_dump_mod = ('# Generated by iptables_manager\n'
'*filter\n'
':neutron-filter-top - [0:0]\n'
':%(bn)s-FORWARD - [0:0]\n'
':%(bn)s-INPUT - [0:0]\n'
':%(bn)s-local - [0:0]\n'
':%(bn)s-filter - [0:0]\n'
':%(bn)s-OUTPUT - [0:0]\n'
'[0:0] -A FORWARD -j neutron-filter-top\n'
'[0:0] -A OUTPUT -j neutron-filter-top\n'
'[0:0] -A neutron-filter-top -j %(bn)s-local\n'
'[0:0] -A INPUT -j %(bn)s-INPUT\n'
'[0:0] -A OUTPUT -j %(bn)s-OUTPUT\n'
'[0:0] -A FORWARD -j %(bn)s-FORWARD\n'
'COMMIT\n'
'# Completed by iptables_manager\n'
% IPTABLES_ARG)
expected_calls_and_values = [
(mock.call(['iptables-save', '-c'],
root_helper=self.root_helper),
''),
(mock.call(['iptables-restore', '-c'],
process_input=NAT_DUMP + filter_dump_mod,
root_helper=self.root_helper),
None),
(mock.call(['iptables-save', '-c'],
root_helper=self.root_helper),
''),
(mock.call(['iptables-restore', '-c'],
process_input=NAT_DUMP + FILTER_DUMP,
root_helper=self.root_helper),
None),
]
tools.setup_mock_calls(self.execute, expected_calls_and_values)
self.iptables.ipv4['filter'].add_chain('filter')
self.iptables.apply()
self.iptables.ipv4['filter'].remove_chain('filter')
self.iptables.apply()
tools.verify_mock_calls(self.execute, expected_calls_and_values)
def test_add_filter_rule(self):
filter_dump_mod = ('# Generated by iptables_manager\n'
'*filter\n'
':neutron-filter-top - [0:0]\n'
':%(bn)s-FORWARD - [0:0]\n'
':%(bn)s-INPUT - [0:0]\n'
':%(bn)s-local - [0:0]\n'
':%(bn)s-filter - [0:0]\n'
':%(bn)s-OUTPUT - [0:0]\n'
'[0:0] -A FORWARD -j neutron-filter-top\n'
'[0:0] -A OUTPUT -j neutron-filter-top\n'
'[0:0] -A neutron-filter-top -j %(bn)s-local\n'
'[0:0] -A INPUT -j %(bn)s-INPUT\n'
'[0:0] -A OUTPUT -j %(bn)s-OUTPUT\n'
'[0:0] -A FORWARD -j %(bn)s-FORWARD\n'
'[0:0] -A %(bn)s-filter -j DROP\n'
'[0:0] -A %(bn)s-INPUT -s 0/0 -d 192.168.0.2 -j '
'%(bn)s-filter\n'
'COMMIT\n'
'# Completed by iptables_manager\n'
% IPTABLES_ARG)
expected_calls_and_values = [
(mock.call(['iptables-save', '-c'],
root_helper=self.root_helper),
''),
(mock.call(['iptables-restore', '-c'],
process_input=NAT_DUMP + filter_dump_mod,
root_helper=self.root_helper),
None),
(mock.call(['iptables-save', '-c'],
root_helper=self.root_helper),
''),
(mock.call(['iptables-restore', '-c'],
process_input=NAT_DUMP + FILTER_DUMP,
root_helper=self.root_helper
),
None),
]
tools.setup_mock_calls(self.execute, expected_calls_and_values)
self.iptables.ipv4['filter'].add_chain('filter')
self.iptables.ipv4['filter'].add_rule('filter', '-j DROP')
self.iptables.ipv4['filter'].add_rule('INPUT',
'-s 0/0 -d 192.168.0.2 -j'
' %(bn)s-filter' % IPTABLES_ARG)
self.iptables.apply()
self.iptables.ipv4['filter'].remove_rule('filter', '-j DROP')
self.iptables.ipv4['filter'].remove_rule('INPUT',
'-s 0/0 -d 192.168.0.2 -j'
' %(bn)s-filter'
% IPTABLES_ARG)
self.iptables.ipv4['filter'].remove_chain('filter')
self.iptables.apply()
tools.verify_mock_calls(self.execute, expected_calls_and_values)
def test_rule_with_wrap_target(self):
name = '0123456789' * 5
wrap = "%s-%s" % (iptables_manager.binary_name,
iptables_manager.get_chain_name(name))
iptables_args = {'bn': iptables_manager.binary_name,
'wrap': wrap}
filter_dump_mod = ('# Generated by iptables_manager\n'
'*filter\n'
':neutron-filter-top - [0:0]\n'
':%(bn)s-FORWARD - [0:0]\n'
':%(bn)s-INPUT - [0:0]\n'
':%(bn)s-local - [0:0]\n'
':%(wrap)s - [0:0]\n'
':%(bn)s-OUTPUT - [0:0]\n'
'[0:0] -A FORWARD -j neutron-filter-top\n'
'[0:0] -A OUTPUT -j neutron-filter-top\n'
'[0:0] -A neutron-filter-top -j %(bn)s-local\n'
'[0:0] -A INPUT -j %(bn)s-INPUT\n'
'[0:0] -A OUTPUT -j %(bn)s-OUTPUT\n'
'[0:0] -A FORWARD -j %(bn)s-FORWARD\n'
'[0:0] -A %(bn)s-INPUT -s 0/0 -d 192.168.0.2 -j '
'%(wrap)s\n'
'COMMIT\n'
'# Completed by iptables_manager\n'
% iptables_args)
expected_calls_and_values = [
(mock.call(['iptables-save', '-c'],
root_helper=self.root_helper),
''),
(mock.call(['iptables-restore', '-c'],
process_input=NAT_DUMP + filter_dump_mod,
root_helper=self.root_helper),
None),
(mock.call(['iptables-save', '-c'],
root_helper=self.root_helper),
''),
(mock.call(['iptables-restore', '-c'],
process_input=NAT_DUMP + FILTER_DUMP,
root_helper=self.root_helper),
None),
]
tools.setup_mock_calls(self.execute, expected_calls_and_values)
self.iptables.ipv4['filter'].add_chain(name)
self.iptables.ipv4['filter'].add_rule('INPUT',
'-s 0/0 -d 192.168.0.2 -j'
' $%s' % name)
self.iptables.apply()
self.iptables.ipv4['filter'].remove_rule('INPUT',
'-s 0/0 -d 192.168.0.2 -j'
' $%s' % name)
self.iptables.ipv4['filter'].remove_chain(name)
self.iptables.apply()
tools.verify_mock_calls(self.execute, expected_calls_and_values)
def test_add_nat_rule(self):
nat_dump = ('# Generated by iptables_manager\n'
'*nat\n'
':neutron-postrouting-bottom - [0:0]\n'
':%(bn)s-float-snat - [0:0]\n'
':%(bn)s-POSTROUTING - [0:0]\n'
':%(bn)s-PREROUTING - [0:0]\n'
':%(bn)s-OUTPUT - [0:0]\n'
':%(bn)s-snat - [0:0]\n'
'[0:0] -A PREROUTING -j %(bn)s-PREROUTING\n'
'[0:0] -A OUTPUT -j %(bn)s-OUTPUT\n'
'[0:0] -A POSTROUTING -j %(bn)s-POSTROUTING\n'
'[0:0] -A POSTROUTING -j neutron-postrouting-bottom\n'
'[0:0] -A neutron-postrouting-bottom -j %(bn)s-snat\n'
'[0:0] -A %(bn)s-snat -j %(bn)s-float-snat\n'
'COMMIT\n'
'# Completed by iptables_manager\n'
% IPTABLES_ARG)
nat_dump_mod = ('# Generated by iptables_manager\n'
'*nat\n'
':neutron-postrouting-bottom - [0:0]\n'
':%(bn)s-float-snat - [0:0]\n'
':%(bn)s-POSTROUTING - [0:0]\n'
':%(bn)s-PREROUTING - [0:0]\n'
':%(bn)s-nat - [0:0]\n'
':%(bn)s-OUTPUT - [0:0]\n'
':%(bn)s-snat - [0:0]\n'
'[0:0] -A PREROUTING -j %(bn)s-PREROUTING\n'
'[0:0] -A OUTPUT -j %(bn)s-OUTPUT\n'
'[0:0] -A POSTROUTING -j %(bn)s-POSTROUTING\n'
'[0:0] -A POSTROUTING -j neutron-postrouting-bottom\n'
'[0:0] -A neutron-postrouting-bottom -j %(bn)s-snat\n'
'[0:0] -A %(bn)s-snat -j %(bn)s-float-snat\n'
'[0:0] -A %(bn)s-PREROUTING -d 192.168.0.3 -j '
'%(bn)s-nat\n'
'[0:0] -A %(bn)s-nat -p tcp --dport 8080 -j '
'REDIRECT --to-port 80\n'
'COMMIT\n'
'# Completed by iptables_manager\n'
% IPTABLES_ARG)
expected_calls_and_values = [
(mock.call(['iptables-save', '-c'],
root_helper=self.root_helper),
''),
(mock.call(['iptables-restore', '-c'],
process_input=nat_dump_mod + FILTER_DUMP,
root_helper=self.root_helper),
None),
(mock.call(['iptables-save', '-c'],
root_helper=self.root_helper),
''),
(mock.call(['iptables-restore', '-c'],
process_input=nat_dump + FILTER_DUMP,
root_helper=self.root_helper),
None),
]
tools.setup_mock_calls(self.execute, expected_calls_and_values)
self.iptables.ipv4['nat'].add_chain('nat')
self.iptables.ipv4['nat'].add_rule('PREROUTING',
'-d 192.168.0.3 -j '
'%(bn)s-nat' % IPTABLES_ARG)
self.iptables.ipv4['nat'].add_rule('nat',
'-p tcp --dport 8080' +
' -j REDIRECT --to-port 80')
self.iptables.apply()
self.iptables.ipv4['nat'].remove_rule('nat',
'-p tcp --dport 8080 -j'
' REDIRECT --to-port 80')
self.iptables.ipv4['nat'].remove_rule('PREROUTING',
'-d 192.168.0.3 -j '
'%(bn)s-nat' % IPTABLES_ARG)
self.iptables.ipv4['nat'].remove_chain('nat')
self.iptables.apply()
tools.verify_mock_calls(self.execute, expected_calls_and_values)
def test_add_rule_to_a_nonexistent_chain(self):
self.assertRaises(LookupError, self.iptables.ipv4['filter'].add_rule,
'nonexistent', '-j DROP')
def test_remove_nonexistent_chain(self):
with mock.patch.object(iptables_manager, "LOG") as log:
self.iptables.ipv4['filter'].remove_chain('nonexistent')
log.warn.assert_called_once_with(
'Attempted to remove chain %s which does not exist',
'nonexistent')
def test_remove_nonexistent_rule(self):
with mock.patch.object(iptables_manager, "LOG") as log:
self.iptables.ipv4['filter'].remove_rule('nonexistent', '-j DROP')
log.warn.assert_called_once_with(
'Tried to remove rule that was not there: '
'%(chain)r %(rule)r %(wrap)r %(top)r',
{'wrap': True, 'top': False, 'rule': '-j DROP',
'chain': 'nonexistent'})
def test_get_traffic_counters_chain_notexists(self):
with mock.patch.object(iptables_manager, "LOG") as log:
acc = self.iptables.get_traffic_counters('chain1')
self.assertIsNone(acc)
self.assertEqual(0, self.execute.call_count)
log.warn.assert_called_once_with(
'Attempted to get traffic counters of chain %s which '
'does not exist', 'chain1')
def test_get_traffic_counters(self):
iptables_dump = (
'Chain OUTPUT (policy ACCEPT 400 packets, 65901 bytes)\n'
' pkts bytes target prot opt in out source'
' destination \n'
' 400 65901 chain1 all -- * * 0.0.0.0/0'
' 0.0.0.0/0 \n'
' 400 65901 chain2 all -- * * 0.0.0.0/0'
' 0.0.0.0/0 \n')
expected_calls_and_values = [
(mock.call(['iptables', '-t', 'filter', '-L', 'OUTPUT',
'-n', '-v', '-x'],
root_helper=self.root_helper),
iptables_dump),
(mock.call(['iptables', '-t', 'nat', '-L', 'OUTPUT', '-n',
'-v', '-x'],
root_helper=self.root_helper),
''),
(mock.call(['ip6tables', '-t', 'filter', '-L', 'OUTPUT',
'-n', '-v', '-x'],
root_helper=self.root_helper),
iptables_dump),
]
tools.setup_mock_calls(self.execute, expected_calls_and_values)
acc = self.iptables.get_traffic_counters('OUTPUT')
self.assertEqual(acc['pkts'], 1600)
self.assertEqual(acc['bytes'], 263604)
tools.verify_mock_calls(self.execute, expected_calls_and_values)
def test_get_traffic_counters_with_zero(self):
iptables_dump = (
'Chain OUTPUT (policy ACCEPT 400 packets, 65901 bytes)\n'
' pkts bytes target prot opt in out source'
' destination \n'
' 400 65901 chain1 all -- * * 0.0.0.0/0'
' 0.0.0.0/0 \n'
' 400 65901 chain2 all -- * * 0.0.0.0/0'
' 0.0.0.0/0 \n')
expected_calls_and_values = [
(mock.call(['iptables', '-t', 'filter', '-L', 'OUTPUT',
'-n', '-v', '-x', '-Z'],
root_helper=self.root_helper),
iptables_dump),
(mock.call(['iptables', '-t', 'nat', '-L', 'OUTPUT', '-n',
'-v', '-x', '-Z'],
root_helper=self.root_helper),
''),
(mock.call(['ip6tables', '-t', 'filter', '-L', 'OUTPUT',
'-n', '-v', '-x', '-Z'],
root_helper=self.root_helper),
iptables_dump),
]
tools.setup_mock_calls(self.execute, expected_calls_and_values)
acc = self.iptables.get_traffic_counters('OUTPUT', zero=True)
self.assertEqual(acc['pkts'], 1600)
self.assertEqual(acc['bytes'], 263604)
tools.verify_mock_calls(self.execute, expected_calls_and_values)
class IptablesManagerStateLessTestCase(base.BaseTestCase):
def setUp(self):
super(IptablesManagerStateLessTestCase, self).setUp()
self.iptables = (iptables_manager.IptablesManager(state_less=True))
def test_nat_not_found(self):
self.assertNotIn('nat', self.iptables.ipv4)
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