mirror of https://github.com/ansible/ansible.git
Enable changed var with ufw check mode (#49948)
* Enable 'changed' var with ufw check mode * Fix from comment of the PR + Unit Test * Fix on ufw module after the second review - delete rules change works in check mode - simplify execute def & use it on every call process - improved regexp - rename vars defaults to current_default_values * Add ignore error to execute() and use it in get_current_rules() * Update after third code review (introduce change in changed status) * Adjust tests and fix some problems (#1) * 'active' also appears in 'inactive'. * 'reject' is also a valid option here. * For example for reloaded, changed will be set back to False here. * Improve and adjust tests. * Fix after merging integration test * handle "disabled" on default routed * Add /var/lib/ufw/.. rules files * add unit test * Fix pep8 formatting error * Separate ipv6 and ipv4 rules process from checkmode * fix non-ascii error on ci * Some change after review * Add unit test with sub network mask * rename is_match function by is_starting * add changelog fragmentpull/35907/head^2
Jérôme BAROTIN
6 years ago
committed by
John R Barker
parent
708f0b07ba
commit
b99de25f32
@ -0,0 +1,2 @@
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minor_changes:
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- ufw - enable "changed" status while check mode is enabled
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@ -0,0 +1,301 @@
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from units.compat import unittest
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from units.compat.mock import patch
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from ansible.module_utils import basic
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from ansible.module_utils._text import to_bytes
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import ansible.modules.system.ufw as module
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import json
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# mock ufw messages
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ufw_version_35 = """ufw 0.35\nCopyright 2008-2015 Canonical Ltd.\n"""
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ufw_verbose_header = """Status: active
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Logging: on (low)
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Default: deny (incoming), allow (outgoing), deny (routed)
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New profiles: skip
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To Action From
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-- ------ ----"""
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ufw_status_verbose_with_port_7000 = ufw_verbose_header + """
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7000/tcp ALLOW IN Anywhere
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7000/tcp (v6) ALLOW IN Anywhere (v6)
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"""
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user_rules_with_port_7000 = """### tuple ### allow tcp 7000 0.0.0.0/0 any 0.0.0.0/0 in
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### tuple ### allow tcp 7000 ::/0 any ::/0 in
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"""
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user_rules_with_ipv6 = """### tuple ### allow udp 5353 0.0.0.0/0 any 224.0.0.251 in
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### tuple ### allow udp 5353 ::/0 any ff02::fb in
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"""
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ufw_status_verbose_with_ipv6 = ufw_verbose_header + """
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5353/udp ALLOW IN 224.0.0.251
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5353/udp ALLOW IN ff02::fb
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"""
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ufw_status_verbose_nothing = ufw_verbose_header
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skippg_adding_existing_rules = "Skipping adding existing rule\nSkipping adding existing rule (v6)\n"
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grep_config_cli = "grep -h '^### tuple' /lib/ufw/user.rules /lib/ufw/user6.rules /etc/ufw/user.rules /etc/ufw/user6.rules "
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grep_config_cli += "/var/lib/ufw/user.rules /var/lib/ufw/user6.rules"
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dry_mode_cmd_with_port_700 = {
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"ufw status verbose": ufw_status_verbose_with_port_7000,
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"ufw --version": ufw_version_35,
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"ufw --dry-run allow from any to any port 7000 proto tcp": skippg_adding_existing_rules,
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"ufw --dry-run delete allow from any to any port 7000 proto tcp": "",
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"ufw --dry-run delete allow from any to any port 7001 proto tcp": user_rules_with_port_7000,
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grep_config_cli: user_rules_with_port_7000
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}
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# setup configuration :
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# ufw reset
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# ufw enable
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# ufw allow proto udp to any port 5353 from 224.0.0.251
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# ufw allow proto udp to any port 5353 from ff02::fb
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dry_mode_cmd_with_ipv6 = {
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"ufw status verbose": ufw_status_verbose_with_ipv6,
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"ufw --version": ufw_version_35,
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# CONTENT of the command sudo ufw --dry-run delete allow in from ff02::fb port 5353 proto udp | grep -E "^### tupple"
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"ufw --dry-run delete allow from ff02::fb to any port 5353 proto udp": "### tuple ### allow udp any ::/0 5353 ff02::fb in",
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grep_config_cli: user_rules_with_ipv6,
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"ufw --dry-run allow from ff02::fb to any port 5353 proto udp": skippg_adding_existing_rules,
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"ufw --dry-run allow from 224.0.0.252 to any port 5353 proto udp": """### tuple ### allow udp 5353 0.0.0.0/0 any 224.0.0.251 in
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### tuple ### allow udp 5353 0.0.0.0/0 any 224.0.0.252 in
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""",
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"ufw --dry-run allow from 10.0.0.0/24 to any port 1577 proto udp": "### tuple ### allow udp 1577 0.0.0.0/0 any 10.0.0.0/24 in"
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}
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dry_mode_cmd_nothing = {
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"ufw status verbose": ufw_status_verbose_nothing,
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"ufw --version": ufw_version_35,
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grep_config_cli: "",
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"ufw --dry-run allow from any to :: port 23": "### tuple ### allow any 23 :: any ::/0 in"
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}
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def do_nothing_func_nothing(*args, **kwarg):
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return 0, dry_mode_cmd_nothing[args[0]], ""
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def do_nothing_func_ipv6(*args, **kwarg):
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return 0, dry_mode_cmd_with_ipv6[args[0]], ""
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def do_nothing_func_port_7000(*args, **kwarg):
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return 0, dry_mode_cmd_with_port_700[args[0]], ""
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def set_module_args(args):
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args = json.dumps({'ANSIBLE_MODULE_ARGS': args})
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"""prepare arguments so that they will be picked up during module creation"""
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basic._ANSIBLE_ARGS = to_bytes(args)
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class AnsibleExitJson(Exception):
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"""Exception class to be raised by module.exit_json and caught by the test case"""
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pass
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class AnsibleFailJson(Exception):
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"""Exception class to be raised by module.fail_json and caught by the test case"""
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pass
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def exit_json(*args, **kwargs):
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"""function to patch over exit_json; package return data into an exception"""
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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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"""function to patch over fail_json; package return data into an exception"""
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kwargs['failed'] = True
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raise AnsibleFailJson(kwargs)
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def get_bin_path(self, arg, required=False):
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"""Mock AnsibleModule.get_bin_path"""
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return arg
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class TestUFW(unittest.TestCase):
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def setUp(self):
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self.mock_module_helper = 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_module_helper.start()
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self.addCleanup(self.mock_module_helper.stop)
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def test_filter_line_that_contains_ipv4(self):
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reg = module.compile_ipv4_regexp()
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self.assertTrue(reg.search("### tuple ### allow udp 5353 ::/0 any ff02::fb in") is None)
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self.assertTrue(reg.search("### tuple ### allow udp 5353 0.0.0.0/0 any 224.0.0.251 in") is not None)
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self.assertTrue(reg.match("ff02::fb") is None)
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self.assertTrue(reg.match("224.0.0.251") is not None)
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self.assertTrue(reg.match("10.0.0.0/8") is not None)
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self.assertTrue(reg.match("somethingElse") is None)
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self.assertTrue(reg.match("::") is None)
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self.assertTrue(reg.match("any") is None)
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def test_filter_line_that_contains_ipv6(self):
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reg = module.compile_ipv6_regexp()
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self.assertTrue(reg.search("### tuple ### allow udp 5353 ::/0 any ff02::fb in") is not None)
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self.assertTrue(reg.search("### tuple ### allow udp 5353 0.0.0.0/0 any 224.0.0.251 in") is None)
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self.assertTrue(reg.search("### tuple ### allow any 23 :: any ::/0 in") is not None)
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self.assertTrue(reg.match("ff02::fb") is not None)
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self.assertTrue(reg.match("224.0.0.251") is None)
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self.assertTrue(reg.match("::") is not None)
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def test_check_mode_add_rules(self):
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set_module_args({
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'rule': 'allow',
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'proto': 'tcp',
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'port': '7000',
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'_ansible_check_mode': True
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})
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result = self.__getResult(do_nothing_func_port_7000)
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self.assertFalse(result.exception.args[0]['changed'])
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def test_check_mode_delete_existing_rules(self):
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set_module_args({
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'rule': 'allow',
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'proto': 'tcp',
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'port': '7000',
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'delete': 'yes',
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'_ansible_check_mode': True,
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})
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self.assertTrue(self.__getResult(do_nothing_func_port_7000).exception.args[0]['changed'])
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def test_check_mode_delete_not_existing_rules(self):
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set_module_args({
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'rule': 'allow',
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'proto': 'tcp',
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'port': '7001',
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'delete': 'yes',
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'_ansible_check_mode': True,
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})
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self.assertFalse(self.__getResult(do_nothing_func_port_7000).exception.args[0]['changed'])
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def test_enable_mode(self):
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set_module_args({
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'state': 'enabled',
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'_ansible_check_mode': True
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})
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self.assertFalse(self.__getResult(do_nothing_func_port_7000).exception.args[0]['changed'])
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def test_disable_mode(self):
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set_module_args({
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'state': 'disabled',
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'_ansible_check_mode': True
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})
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self.assertTrue(self.__getResult(do_nothing_func_port_7000).exception.args[0]['changed'])
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def test_logging_off(self):
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set_module_args({
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'logging': 'off',
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'_ansible_check_mode': True
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})
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self.assertTrue(self.__getResult(do_nothing_func_port_7000).exception.args[0]['changed'])
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def test_logging_on(self):
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set_module_args({
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'logging': 'on',
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'_ansible_check_mode': True
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})
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self.assertFalse(self.__getResult(do_nothing_func_port_7000).exception.args[0]['changed'])
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def test_default_changed(self):
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set_module_args({
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'default': 'allow',
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"direction": "incoming",
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'_ansible_check_mode': True
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})
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self.assertTrue(self.__getResult(do_nothing_func_port_7000).exception.args[0]['changed'])
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def test_default_not_changed(self):
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set_module_args({
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'default': 'deny',
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"direction": "incoming",
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'_ansible_check_mode': True
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})
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self.assertFalse(self.__getResult(do_nothing_func_port_7000).exception.args[0]['changed'])
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def test_ipv6_remove(self):
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set_module_args({
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'rule': 'allow',
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'proto': 'udp',
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'port': '5353',
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'from': 'ff02::fb',
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'delete': 'yes',
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'_ansible_check_mode': True,
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})
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self.assertTrue(self.__getResult(do_nothing_func_ipv6).exception.args[0]['changed'])
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def test_ipv6_add_existing(self):
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set_module_args({
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'rule': 'allow',
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'proto': 'udp',
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'port': '5353',
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'from': 'ff02::fb',
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'_ansible_check_mode': True,
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})
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self.assertFalse(self.__getResult(do_nothing_func_ipv6).exception.args[0]['changed'])
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def test_add_not_existing_ipv4_submask(self):
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set_module_args({
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'rule': 'allow',
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'proto': 'udp',
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'port': '1577',
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'from': '10.0.0.0/24',
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'_ansible_check_mode': True,
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})
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self.assertTrue(self.__getResult(do_nothing_func_ipv6).exception.args[0]['changed'])
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def test_ipv4_add_with_existing_ipv6(self):
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set_module_args({
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'rule': 'allow',
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'proto': 'udp',
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'port': '5353',
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'from': '224.0.0.252',
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'_ansible_check_mode': True,
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})
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self.assertTrue(self.__getResult(do_nothing_func_ipv6).exception.args[0]['changed'])
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def test_ipv6_add_from_nothing(self):
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set_module_args({
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'rule': 'allow',
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'port': '23',
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'to': '::',
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'_ansible_check_mode': True,
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})
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result = self.__getResult(do_nothing_func_nothing).exception.args[0]
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print(result)
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self.assertTrue(result['changed'])
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def __getResult(self, cmd_fun):
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with patch.object(basic.AnsibleModule, 'run_command') as mock_run_command:
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mock_run_command.side_effect = cmd_fun
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with self.assertRaises(AnsibleExitJson) as result:
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module.main()
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return result
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