612 lines
18 KiB
Python
612 lines
18 KiB
Python
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import json
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from ansible.compat.tests import unittest
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from ansible.compat.tests.mock import patch
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from ansible.module_utils import basic
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from ansible.modules.system import iptables
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from ansible.module_utils._text import to_bytes
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def set_module_args(args):
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args = json.dumps({'ANSIBLE_MODULE_ARGS': args})
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basic._ANSIBLE_ARGS = to_bytes(args)
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class AnsibleExitJson(Exception):
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pass
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class AnsibleFailJson(Exception):
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pass
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def exit_json(*args, **kwargs):
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if 'changed' not in kwargs:
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kwargs['changed'] = False
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raise AnsibleExitJson(kwargs)
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def fail_json(*args, **kwargs):
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kwargs['failed'] = True
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raise AnsibleFailJson(kwargs)
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def get_bin_path(*args, **kwargs):
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return "/sbin/iptables"
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class TestIptables(unittest.TestCase):
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def setUp(self):
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self.mock_basic = patch.multiple(basic.AnsibleModule,
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exit_json=exit_json,
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fail_json=fail_json,
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get_bin_path=get_bin_path)
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self.mock_basic.start()
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self.addCleanup(self.mock_basic.stop)
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def tearDown(self):
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pass
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def test_without_required_parameters(self):
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"""Failure must occurs when all parameters are missing"""
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with self.assertRaises(AnsibleFailJson):
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set_module_args({})
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iptables.main()
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def test_flush_table_without_chain(self):
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"""Test flush without chain, flush the table"""
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set_module_args({
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'flush': True,
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})
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with patch.object(basic.AnsibleModule, 'run_command') as run_command:
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run_command.return_value = 0, '', '' # successful execution, no output
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with self.assertRaises(AnsibleExitJson) as result:
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iptables.main()
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self.assertTrue(result.exception.args[0]['changed'])
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self.assertEqual(run_command.call_count, 1)
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self.assertEqual(run_command.call_args[0][0][0], '/sbin/iptables')
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self.assertEqual(run_command.call_args[0][0][1], '-t')
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self.assertEqual(run_command.call_args[0][0][2], 'filter')
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self.assertEqual(run_command.call_args[0][0][3], '-F')
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def test_flush_table_check_true(self):
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"""Test flush without parameters and check == true"""
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set_module_args({
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'flush': True,
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'_ansible_check_mode': True,
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})
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with patch.object(basic.AnsibleModule, 'run_command') as run_command:
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run_command.return_value = 0, '', '' # successful execution, no output
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with self.assertRaises(AnsibleExitJson) as result:
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iptables.main()
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self.assertTrue(result.exception.args[0]['changed'])
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self.assertEqual(run_command.call_count, 0)
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# TODO ADD test flush table nat
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# TODO ADD test flush with chain
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# TODO ADD test flush with chain and table nat
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def test_policy_table(self):
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"""Test change policy of a chain"""
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set_module_args({
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'policy': 'ACCEPT',
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'chain': 'INPUT',
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})
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commands_results = [
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(0, 'Chain INPUT (policy DROP)\n', ''),
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(0, '', '')
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]
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with patch.object(basic.AnsibleModule, 'run_command') as run_command:
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run_command.side_effect = commands_results
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with self.assertRaises(AnsibleExitJson) as result:
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iptables.main()
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self.assertTrue(result.exception.args[0]['changed'])
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self.assertEqual(run_command.call_count, 2)
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# import pdb
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# pdb.set_trace()
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self.assertEqual(run_command.call_args_list[0][0][0], [
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'/sbin/iptables',
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'-t',
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'filter',
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'-L',
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'INPUT',
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])
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self.assertEqual(run_command.call_args_list[1][0][0], [
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'/sbin/iptables',
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'-t',
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'filter',
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'-P',
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'INPUT',
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'ACCEPT',
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])
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def test_policy_table_no_change(self):
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"""Test don't change policy of a chain if the policy is right"""
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set_module_args({
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'policy': 'ACCEPT',
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'chain': 'INPUT',
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})
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commands_results = [
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(0, 'Chain INPUT (policy ACCEPT)\n', ''),
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(0, '', '')
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]
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with patch.object(basic.AnsibleModule, 'run_command') as run_command:
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run_command.side_effect = commands_results
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with self.assertRaises(AnsibleExitJson) as result:
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iptables.main()
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self.assertFalse(result.exception.args[0]['changed'])
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self.assertEqual(run_command.call_count, 1)
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# import pdb
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# pdb.set_trace()
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self.assertEqual(run_command.call_args_list[0][0][0], [
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'/sbin/iptables',
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'-t',
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'filter',
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'-L',
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'INPUT',
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])
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def test_policy_table_changed_false(self):
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"""Test flush without parameters and change == false"""
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set_module_args({
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'policy': 'ACCEPT',
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'chain': 'INPUT',
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'_ansible_check_mode': True,
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})
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commands_results = [
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(0, 'Chain INPUT (policy DROP)\n', ''),
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]
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with patch.object(basic.AnsibleModule, 'run_command') as run_command:
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run_command.side_effect = commands_results
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with self.assertRaises(AnsibleExitJson) as result:
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iptables.main()
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self.assertTrue(result.exception.args[0]['changed'])
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self.assertEqual(run_command.call_count, 1)
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# import pdb
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# pdb.set_trace()
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self.assertEqual(run_command.call_args_list[0][0][0], [
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'/sbin/iptables',
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'-t',
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'filter',
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'-L',
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'INPUT',
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])
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# TODO ADD test policy without chain fail
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# TODO ADD test policy with chain don't exists
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# TODO ADD test policy with wrong choice fail
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def test_insert_rule_change_false(self):
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"""Test flush without parameters"""
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set_module_args({
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'chain': 'OUTPUT',
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'source': '1.2.3.4/32',
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'destination': '7.8.9.10/42',
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'jump': 'ACCEPT',
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'action': 'insert',
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'_ansible_check_mode': True,
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})
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commands_results = [
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(1, '', ''),
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(0, '', '')
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]
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with patch.object(basic.AnsibleModule, 'run_command') as run_command:
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run_command.side_effect = commands_results
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with self.assertRaises(AnsibleExitJson) as result:
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iptables.main()
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self.assertTrue(result.exception.args[0]['changed'])
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self.assertEqual(run_command.call_count, 1)
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# import pdb
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# pdb.set_trace()
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self.assertEqual(run_command.call_args_list[0][0][0], [
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'/sbin/iptables',
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'-t',
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'filter',
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'-C',
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'OUTPUT',
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'-s',
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'1.2.3.4/32',
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'-d',
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'7.8.9.10/42',
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'-j',
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'ACCEPT'
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])
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def test_insert_rule(self):
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"""Test flush without parameters"""
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set_module_args({
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'chain': 'OUTPUT',
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'source': '1.2.3.4/32',
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'destination': '7.8.9.10/42',
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'jump': 'ACCEPT',
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'action': 'insert'
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})
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commands_results = [
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(1, '', ''),
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(0, '', '')
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]
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with patch.object(basic.AnsibleModule, 'run_command') as run_command:
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run_command.side_effect = commands_results
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with self.assertRaises(AnsibleExitJson) as result:
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iptables.main()
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self.assertTrue(result.exception.args[0]['changed'])
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self.assertEqual(run_command.call_count, 2)
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# import pdb
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# pdb.set_trace()
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self.assertEqual(run_command.call_args_list[0][0][0], [
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'/sbin/iptables',
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'-t',
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'filter',
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'-C',
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'OUTPUT',
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'-s',
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'1.2.3.4/32',
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'-d',
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'7.8.9.10/42',
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'-j',
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'ACCEPT'
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])
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self.assertEqual(run_command.call_args_list[1][0][0], [
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'/sbin/iptables',
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'-t',
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'filter',
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'-I',
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'OUTPUT',
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'-s',
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'1.2.3.4/32',
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'-d',
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'7.8.9.10/42',
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'-j',
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'ACCEPT'
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])
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def test_append_rule_check_mode(self):
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"""Test append a redirection rule in check mode"""
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set_module_args({
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'chain': 'PREROUTING',
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'source': '1.2.3.4/32',
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'destination': '7.8.9.10/42',
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'jump': 'REDIRECT',
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'table': 'nat',
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'to_destination': '5.5.5.5/32',
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'protocol': 'udp',
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'destination_port': '22',
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'to_ports': '8600',
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'_ansible_check_mode': True,
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})
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commands_results = [
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(1, '', ''),
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]
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with patch.object(basic.AnsibleModule, 'run_command') as run_command:
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run_command.side_effect = commands_results
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with self.assertRaises(AnsibleExitJson) as result:
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iptables.main()
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self.assertTrue(result.exception.args[0]['changed'])
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self.assertEqual(run_command.call_count, 1)
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self.assertEqual(run_command.call_args_list[0][0][0], [
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'/sbin/iptables',
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'-t',
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'nat',
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'-C',
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'PREROUTING',
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'-p',
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'udp',
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'-s',
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'1.2.3.4/32',
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'-d',
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'7.8.9.10/42',
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'-j',
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'REDIRECT',
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'--to-destination',
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'5.5.5.5/32',
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'--destination-port',
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'22',
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'--to-ports',
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'8600'
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])
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def test_append_rule(self):
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"""Test append a redirection rule"""
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set_module_args({
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'chain': 'PREROUTING',
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'source': '1.2.3.4/32',
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'destination': '7.8.9.10/42',
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'jump': 'REDIRECT',
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'table': 'nat',
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'to_destination': '5.5.5.5/32',
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'protocol': 'udp',
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'destination_port': '22',
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'to_ports': '8600'
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})
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commands_results = [
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(1, '', ''),
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(0, '', '')
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]
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with patch.object(basic.AnsibleModule, 'run_command') as run_command:
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run_command.side_effect = commands_results
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with self.assertRaises(AnsibleExitJson) as result:
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iptables.main()
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self.assertTrue(result.exception.args[0]['changed'])
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self.assertEqual(run_command.call_count, 2)
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self.assertEqual(run_command.call_args_list[0][0][0], [
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'/sbin/iptables',
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'-t',
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'nat',
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'-C',
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'PREROUTING',
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'-p',
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'udp',
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'-s',
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'1.2.3.4/32',
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'-d',
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'7.8.9.10/42',
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'-j',
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'REDIRECT',
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'--to-destination',
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'5.5.5.5/32',
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'--destination-port',
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'22',
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'--to-ports',
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'8600'
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])
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self.assertEqual(run_command.call_args_list[1][0][0], [
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'/sbin/iptables',
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'-t',
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'nat',
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'-A',
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'PREROUTING',
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'-p',
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'udp',
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'-s',
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'1.2.3.4/32',
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'-d',
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'7.8.9.10/42',
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'-j',
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'REDIRECT',
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'--to-destination',
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'5.5.5.5/32',
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'--destination-port',
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'22',
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||
|
|
'--to-ports',
|
||
|
|
'8600'
|
||
|
|
])
|
||
|
|
|
||
|
|
def test_remove_rule(self):
|
||
|
|
"""Test flush without parameters"""
|
||
|
|
set_module_args({
|
||
|
|
'chain': 'PREROUTING',
|
||
|
|
'source': '1.2.3.4/32',
|
||
|
|
'destination': '7.8.9.10/42',
|
||
|
|
'jump': 'SNAT',
|
||
|
|
'table': 'nat',
|
||
|
|
'to_source': '5.5.5.5/32',
|
||
|
|
'protocol': 'udp',
|
||
|
|
'source_port': '22',
|
||
|
|
'to_ports': '8600',
|
||
|
|
'state': 'absent',
|
||
|
|
'in_interface': 'eth0',
|
||
|
|
'out_interface': 'eth1',
|
||
|
|
'comment': 'this is a comment'
|
||
|
|
})
|
||
|
|
|
||
|
|
commands_results = [
|
||
|
|
(0, '', ''),
|
||
|
|
(0, '', ''),
|
||
|
|
]
|
||
|
|
|
||
|
|
with patch.object(basic.AnsibleModule, 'run_command') as run_command:
|
||
|
|
run_command.side_effect = commands_results
|
||
|
|
with self.assertRaises(AnsibleExitJson) as result:
|
||
|
|
iptables.main()
|
||
|
|
self.assertTrue(result.exception.args[0]['changed'])
|
||
|
|
|
||
|
|
self.assertEqual(run_command.call_count, 2)
|
||
|
|
self.assertEqual(run_command.call_args_list[0][0][0], [
|
||
|
|
'/sbin/iptables',
|
||
|
|
'-t',
|
||
|
|
'nat',
|
||
|
|
'-C',
|
||
|
|
'PREROUTING',
|
||
|
|
'-p',
|
||
|
|
'udp',
|
||
|
|
'-s',
|
||
|
|
'1.2.3.4/32',
|
||
|
|
'-d',
|
||
|
|
'7.8.9.10/42',
|
||
|
|
'-j',
|
||
|
|
'SNAT',
|
||
|
|
'--to-source',
|
||
|
|
'5.5.5.5/32',
|
||
|
|
'-i',
|
||
|
|
'eth0',
|
||
|
|
'-o',
|
||
|
|
'eth1',
|
||
|
|
'--source-port',
|
||
|
|
'22',
|
||
|
|
'--to-ports',
|
||
|
|
'8600',
|
||
|
|
'-m',
|
||
|
|
'comment',
|
||
|
|
'--comment',
|
||
|
|
'this is a comment'
|
||
|
|
])
|
||
|
|
self.assertEqual(run_command.call_args_list[1][0][0], [
|
||
|
|
'/sbin/iptables',
|
||
|
|
'-t',
|
||
|
|
'nat',
|
||
|
|
'-D',
|
||
|
|
'PREROUTING',
|
||
|
|
'-p',
|
||
|
|
'udp',
|
||
|
|
'-s',
|
||
|
|
'1.2.3.4/32',
|
||
|
|
'-d',
|
||
|
|
'7.8.9.10/42',
|
||
|
|
'-j',
|
||
|
|
'SNAT',
|
||
|
|
'--to-source',
|
||
|
|
'5.5.5.5/32',
|
||
|
|
'-i',
|
||
|
|
'eth0',
|
||
|
|
'-o',
|
||
|
|
'eth1',
|
||
|
|
'--source-port',
|
||
|
|
'22',
|
||
|
|
'--to-ports',
|
||
|
|
'8600',
|
||
|
|
'-m',
|
||
|
|
'comment',
|
||
|
|
'--comment',
|
||
|
|
'this is a comment'
|
||
|
|
])
|
||
|
|
|
||
|
|
def test_remove_rule_check_mode(self):
|
||
|
|
"""Test flush without parameters check mode"""
|
||
|
|
set_module_args({
|
||
|
|
'chain': 'PREROUTING',
|
||
|
|
'source': '1.2.3.4/32',
|
||
|
|
'destination': '7.8.9.10/42',
|
||
|
|
'jump': 'SNAT',
|
||
|
|
'table': 'nat',
|
||
|
|
'to_source': '5.5.5.5/32',
|
||
|
|
'protocol': 'udp',
|
||
|
|
'source_port': '22',
|
||
|
|
'to_ports': '8600',
|
||
|
|
'state': 'absent',
|
||
|
|
'in_interface': 'eth0',
|
||
|
|
'out_interface': 'eth1',
|
||
|
|
'comment': 'this is a comment',
|
||
|
|
'_ansible_check_mode': True,
|
||
|
|
})
|
||
|
|
|
||
|
|
commands_results = [
|
||
|
|
(0, '', ''),
|
||
|
|
]
|
||
|
|
|
||
|
|
with patch.object(basic.AnsibleModule, 'run_command') as run_command:
|
||
|
|
run_command.side_effect = commands_results
|
||
|
|
with self.assertRaises(AnsibleExitJson) as result:
|
||
|
|
iptables.main()
|
||
|
|
self.assertTrue(result.exception.args[0]['changed'])
|
||
|
|
|
||
|
|
self.assertEqual(run_command.call_count, 1)
|
||
|
|
self.assertEqual(run_command.call_args_list[0][0][0], [
|
||
|
|
'/sbin/iptables',
|
||
|
|
'-t',
|
||
|
|
'nat',
|
||
|
|
'-C',
|
||
|
|
'PREROUTING',
|
||
|
|
'-p',
|
||
|
|
'udp',
|
||
|
|
'-s',
|
||
|
|
'1.2.3.4/32',
|
||
|
|
'-d',
|
||
|
|
'7.8.9.10/42',
|
||
|
|
'-j',
|
||
|
|
'SNAT',
|
||
|
|
'--to-source',
|
||
|
|
'5.5.5.5/32',
|
||
|
|
'-i',
|
||
|
|
'eth0',
|
||
|
|
'-o',
|
||
|
|
'eth1',
|
||
|
|
'--source-port',
|
||
|
|
'22',
|
||
|
|
'--to-ports',
|
||
|
|
'8600',
|
||
|
|
'-m',
|
||
|
|
'comment',
|
||
|
|
'--comment',
|
||
|
|
'this is a comment'
|
||
|
|
])
|
||
|
|
|
||
|
|
def test_insert_with_reject(self):
|
||
|
|
""" Using reject_with with a previously defined jump: REJECT results in two Jump statements #18988 """
|
||
|
|
set_module_args({
|
||
|
|
'chain': 'INPUT',
|
||
|
|
'protocol': 'tcp',
|
||
|
|
'reject_with': 'tcp-reset',
|
||
|
|
'ip_version': 'ipv4',
|
||
|
|
})
|
||
|
|
commands_results = [
|
||
|
|
(0, '', ''),
|
||
|
|
]
|
||
|
|
|
||
|
|
with patch.object(basic.AnsibleModule, 'run_command') as run_command:
|
||
|
|
run_command.side_effect = commands_results
|
||
|
|
with self.assertRaises(AnsibleExitJson) as result:
|
||
|
|
iptables.main()
|
||
|
|
self.assertTrue(result.exception.args[0]['changed'])
|
||
|
|
|
||
|
|
self.assertEqual(run_command.call_count, 1)
|
||
|
|
self.assertEqual(run_command.call_args_list[0][0][0], [
|
||
|
|
'/sbin/iptables',
|
||
|
|
'-t',
|
||
|
|
'filter',
|
||
|
|
'-C',
|
||
|
|
'INPUT',
|
||
|
|
'-p',
|
||
|
|
'tcp',
|
||
|
|
'-j',
|
||
|
|
'REJECT',
|
||
|
|
'--reject-with',
|
||
|
|
'tcp-reset',
|
||
|
|
])
|
||
|
|
|
||
|
|
def test_insert_jump_reject_with_reject(self):
|
||
|
|
""" Using reject_with with a previously defined jump: REJECT results in two Jump statements #18988 """
|
||
|
|
set_module_args({
|
||
|
|
'chain': 'INPUT',
|
||
|
|
'protocol': 'tcp',
|
||
|
|
'jump': 'REJECT',
|
||
|
|
'reject_with': 'tcp-reset',
|
||
|
|
'ip_version': 'ipv4',
|
||
|
|
})
|
||
|
|
commands_results = [
|
||
|
|
(0, '', ''),
|
||
|
|
]
|
||
|
|
|
||
|
|
with patch.object(basic.AnsibleModule, 'run_command') as run_command:
|
||
|
|
run_command.side_effect = commands_results
|
||
|
|
with self.assertRaises(AnsibleExitJson) as result:
|
||
|
|
iptables.main()
|
||
|
|
self.assertTrue(result.exception.args[0]['changed'])
|
||
|
|
|
||
|
|
self.assertEqual(run_command.call_count, 1)
|
||
|
|
self.assertEqual(run_command.call_args_list[0][0][0], [
|
||
|
|
'/sbin/iptables',
|
||
|
|
'-t',
|
||
|
|
'filter',
|
||
|
|
'-C',
|
||
|
|
'INPUT',
|
||
|
|
'-p',
|
||
|
|
'tcp',
|
||
|
|
'-j',
|
||
|
|
'REJECT',
|
||
|
|
'--reject-with',
|
||
|
|
'tcp-reset',
|
||
|
|
])
|