From 434ad97c39ed54ff2ee2febf413e7f64afc369a4 Mon Sep 17 00:00:00 2001 From: Tim Rupp Date: Tue, 24 Apr 2018 20:05:31 -0700 Subject: [PATCH] Adds tcp profile module for BIGIP (#39268) This patch adds a module to support manipulation of TCP profiles on a BIGIP --- .../modules/network/f5/bigip_profile_tcp.py | 405 ++++++++++++++++++ .../f5/fixtures/load_ltm_profile_tcp_1.json | 92 ++++ .../network/f5/test_bigip_profile_tcp.py | 114 +++++ 3 files changed, 611 insertions(+) create mode 100644 lib/ansible/modules/network/f5/bigip_profile_tcp.py create mode 100644 test/units/modules/network/f5/fixtures/load_ltm_profile_tcp_1.json create mode 100644 test/units/modules/network/f5/test_bigip_profile_tcp.py diff --git a/lib/ansible/modules/network/f5/bigip_profile_tcp.py b/lib/ansible/modules/network/f5/bigip_profile_tcp.py new file mode 100644 index 00000000000..2d3aef0df21 --- /dev/null +++ b/lib/ansible/modules/network/f5/bigip_profile_tcp.py @@ -0,0 +1,405 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- +# +# Copyright: (c) 2017, F5 Networks Inc. +# GNU General Public License v3.0 (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) + +from __future__ import absolute_import, division, print_function +__metaclass__ = type + + +ANSIBLE_METADATA = {'metadata_version': '1.1', + 'status': ['preview'], + 'supported_by': 'community'} + +DOCUMENTATION = r''' +--- +module: bigip_profile_tcp +short_description: Manage TCP profiles on a BIG-IP +description: + - Manage TCP profiles on a BIG-IP. There are a variety of TCP profiles, each with their + own adjustments to the standard C(tcp) profile. Users of this module should be aware + that many of the adjustable knobs have no module default. Instead, the default is + assigned by the BIG-IP system itself which, in most cases, is acceptable. +version_added: 2.6 +options: + name: + description: + - Specifies the name of the profile. + required: True + parent: + description: + - Specifies the profile from which this profile inherits settings. + - When creating a new profile, if this parameter is not specified, the default + is the system-supplied C(tcp) profile. + idle_timeout: + description: + - Specifies the length of time that a connection is idle (has no traffic) before + the connection is eligible for deletion. + - When creating a new profile, if this parameter is not specified, the remote + device will choose a default value appropriate for the profile, based on its + C(parent) profile. + - When a number is specified, indicates the number of seconds that the TCP + connection can remain idle before the system deletes it. + - When C(0), or C(indefinite), specifies that the system does not delete TCP connections + regardless of how long they remain idle. + partition: + description: + - Device partition to manage resources on. + default: Common + state: + description: + - When C(present), ensures that the profile exists. + - When C(absent), ensures the profile is removed. + default: present + choices: + - present + - absent +extends_documentation_fragment: f5 +author: + - Tim Rupp (@caphrim007) +''' + +EXAMPLES = r''' +- name: Create a TCP profile + bigip_profile_tcp: + name: foo + parent: f5-tcp-progressive + idle_timeout: 300 + password: secret + server: lb.mydomain.com + state: present + user: admin + delegate_to: localhost +''' + +RETURN = r''' +parent: + description: The new parent of the resource. + returned: changed + type: string + sample: f5-tcp-optimized +idle_timeout: + description: The new idle timeout of the resource. + returned: changed + type: int + sample: 100 +''' + +from ansible.module_utils.basic import AnsibleModule +from ansible.module_utils.basic import env_fallback + +try: + from library.module_utils.network.f5.bigip import HAS_F5SDK + from library.module_utils.network.f5.bigip import F5Client + from library.module_utils.network.f5.common import F5ModuleError + from library.module_utils.network.f5.common import AnsibleF5Parameters + from library.module_utils.network.f5.common import cleanup_tokens + from library.module_utils.network.f5.common import fq_name + from library.module_utils.network.f5.common import f5_argument_spec + try: + from library.module_utils.network.f5.common import iControlUnexpectedHTTPError + except ImportError: + HAS_F5SDK = False +except ImportError: + from ansible.module_utils.network.f5.bigip import HAS_F5SDK + from ansible.module_utils.network.f5.bigip import F5Client + from ansible.module_utils.network.f5.common import F5ModuleError + from ansible.module_utils.network.f5.common import AnsibleF5Parameters + from ansible.module_utils.network.f5.common import cleanup_tokens + from ansible.module_utils.network.f5.common import fq_name + from ansible.module_utils.network.f5.common import f5_argument_spec + try: + from ansible.module_utils.network.f5.common import iControlUnexpectedHTTPError + except ImportError: + HAS_F5SDK = False + + +class Parameters(AnsibleF5Parameters): + api_map = { + 'idleTimeout': 'idle_timeout', + 'defaultsFrom': 'parent' + } + + api_attributes = [ + 'idleTimeout', + 'defaultsFrom' + ] + + returnables = [ + 'idle_timeout', + 'parent' + ] + + updatables = [ + 'idle_timeout', + 'parent' + ] + + +class ApiParameters(Parameters): + pass + + +class ModuleParameters(Parameters): + @property + def parent(self): + if self._values['parent'] is None: + return None + result = fq_name(self.partition, self._values['parent']) + return result + + @property + def idle_timeout(self): + if self._values['idle_timeout'] is None: + return None + if self._values['idle_timeout'] == 'indefinite': + return 4294967295 + return int(self._values['idle_timeout']) + + +class Changes(Parameters): + def to_return(self): + result = {} + try: + for returnable in self.returnables: + result[returnable] = getattr(self, returnable) + result = self._filter_params(result) + except Exception: + pass + return result + + +class UsableChanges(Changes): + @property + def idle_timeout(self): + if self._values['idle_timeout'] is None: + return None + if 0 <= self._values['idle_timeout'] <= 4294967295: + return self._values['idle_timeout'] + raise F5ModuleError( + "Valid 'idle_timeout' must be in range 1 - 4294967295, or 'indefinite'." + ) + + +class ReportableChanges(Changes): + @property + def idle_timeout(self): + if self._values['idle_timeout'] is None: + return None + if self._values['idle_timeout'] == 4294967295: + return 'indefinite' + return int(self._values['idle_timeout']) + + +class Difference(object): + def __init__(self, want, have=None): + self.want = want + self.have = have + + def compare(self, param): + try: + result = getattr(self, param) + return result + except AttributeError: + return self.__default(param) + + def __default(self, param): + attr1 = getattr(self.want, param) + try: + attr2 = getattr(self.have, param) + if attr1 != attr2: + return attr1 + except AttributeError: + return attr1 + + +class ModuleManager(object): + def __init__(self, *args, **kwargs): + self.module = kwargs.get('module', None) + self.client = kwargs.get('client', None) + self.want = ModuleParameters(params=self.module.params) + self.have = ApiParameters() + self.changes = UsableChanges() + + def _set_changed_options(self): + changed = {} + for key in Parameters.returnables: + if getattr(self.want, key) is not None: + changed[key] = getattr(self.want, key) + if changed: + self.changes = UsableChanges(params=changed) + + def _update_changed_options(self): + diff = Difference(self.want, self.have) + updatables = Parameters.updatables + changed = dict() + for k in updatables: + change = diff.compare(k) + if change is None: + continue + else: + if isinstance(change, dict): + changed.update(change) + else: + changed[k] = change + if changed: + self.changes = UsableChanges(params=changed) + return True + return False + + def should_update(self): + result = self._update_changed_options() + if result: + return True + return False + + def exec_module(self): + changed = False + result = dict() + state = self.want.state + + try: + if state == "present": + changed = self.present() + elif state == "absent": + changed = self.absent() + except iControlUnexpectedHTTPError as e: + raise F5ModuleError(str(e)) + + reportable = ReportableChanges(params=self.changes.to_return()) + changes = reportable.to_return() + result.update(**changes) + result.update(dict(changed=changed)) + self._announce_deprecations(result) + return result + + def _announce_deprecations(self, result): + warnings = result.pop('__warnings', []) + for warning in warnings: + self.client.module.deprecate( + msg=warning['msg'], + version=warning['version'] + ) + + def present(self): + if self.exists(): + return self.update() + else: + return self.create() + + def exists(self): + result = self.client.api.tm.ltm.profile.tcps.tcp.exists( + name=self.want.name, + partition=self.want.partition + ) + return result + + def update(self): + self.have = self.read_current_from_device() + if not self.should_update(): + return False + if self.module.check_mode: + return True + self.update_on_device() + return True + + def remove(self): + if self.module.check_mode: + return True + self.remove_from_device() + if self.exists(): + raise F5ModuleError("Failed to delete the resource.") + return True + + def create(self): + if self.want.parent is None: + self.want.update({'parent': fq_name(self.want.partition, 'tcp')}) + self._set_changed_options() + if self.module.check_mode: + return True + self.create_on_device() + return True + + def create_on_device(self): + params = self.changes.api_params() + self.client.api.tm.ltm.profile.tcps.tcp.create( + name=self.want.name, + partition=self.want.partition, + **params + ) + + def update_on_device(self): + params = self.changes.api_params() + resource = self.client.api.tm.ltm.profile.tcps.tcp.load( + name=self.want.name, + partition=self.want.partition + ) + resource.modify(**params) + + def absent(self): + if self.exists(): + return self.remove() + return False + + def remove_from_device(self): + resource = self.client.api.tm.ltm.profile.tcps.tcp.load( + name=self.want.name, + partition=self.want.partition + ) + if resource: + resource.delete() + + def read_current_from_device(self): + resource = self.client.api.tm.ltm.profile.tcps.tcp.load( + name=self.want.name, + partition=self.want.partition + ) + result = resource.attrs + return ApiParameters(params=result) + + +class ArgumentSpec(object): + def __init__(self): + self.supports_check_mode = True + argument_spec = dict( + name=dict(required=True), + parent=dict(), + idle_timeout=dict(), + state=dict( + default='present', + choices=['present', 'absent'] + ), + partition=dict( + default='Common', + fallback=(env_fallback, ['F5_PARTITION']) + ) + ) + self.argument_spec = {} + self.argument_spec.update(f5_argument_spec) + self.argument_spec.update(argument_spec) + + +def main(): + spec = ArgumentSpec() + + module = AnsibleModule( + argument_spec=spec.argument_spec, + supports_check_mode=spec.supports_check_mode + ) + if not HAS_F5SDK: + module.fail_json(msg="The python f5-sdk module is required") + + try: + client = F5Client(**module.params) + mm = ModuleManager(module=module, client=client) + results = mm.exec_module() + cleanup_tokens(client) + module.exit_json(**results) + except F5ModuleError as ex: + cleanup_tokens(client) + module.fail_json(msg=str(ex)) + + +if __name__ == '__main__': + main() diff --git a/test/units/modules/network/f5/fixtures/load_ltm_profile_tcp_1.json b/test/units/modules/network/f5/fixtures/load_ltm_profile_tcp_1.json new file mode 100644 index 00000000000..03ada3cbde3 --- /dev/null +++ b/test/units/modules/network/f5/fixtures/load_ltm_profile_tcp_1.json @@ -0,0 +1,92 @@ +{ + "kind": "tm:ltm:profile:tcp:tcpstate", + "name": "foo", + "partition": "Common", + "fullPath": "/Common/foo", + "generation": 92, + "selfLink": "https://localhost/mgmt/tm/ltm/profile/tcp/~Common~foo?ver=13.1.0.4", + "abc": "enabled", + "ackOnPush": "enabled", + "appService": "none", + "autoProxyBufferSize": "disabled", + "autoReceiveWindowSize": "disabled", + "autoSendBufferSize": "disabled", + "closeWaitTimeout": 5, + "cmetricsCache": "enabled", + "cmetricsCacheTimeout": 0, + "congestionControl": "high-speed", + "defaultsFrom": "/Common/tcp", + "defaultsFromReference": { + "link": "https://localhost/mgmt/tm/ltm/profile/tcp/~Common~tcp?ver=13.1.0.4" + }, + "deferredAccept": "disabled", + "delayWindowControl": "disabled", + "delayedAcks": "enabled", + "description": "none", + "dsack": "disabled", + "earlyRetransmit": "enabled", + "ecn": "enabled", + "enhancedLossRecovery": "disabled", + "fastOpen": "disabled", + "fastOpenCookieExpiration": 21600, + "finWait_2Timeout": 300, + "finWaitTimeout": 5, + "hardwareSynCookie": "enabled", + "idleTimeout": 300, + "initCwnd": 3, + "initRwnd": 3, + "ipDfMode": "pmtu", + "ipTosToClient": "0", + "ipTtlMode": "proxy", + "ipTtlV4": 255, + "ipTtlV6": 64, + "keepAliveInterval": 1800, + "limitedTransmit": "enabled", + "linkQosToClient": "0", + "maxRetrans": 8, + "maxSegmentSize": 1460, + "md5Signature": "disabled", + "minimumRto": 1000, + "mptcp": "disabled", + "mptcpCsum": "disabled", + "mptcpCsumVerify": "disabled", + "mptcpDebug": "disabled", + "mptcpFallback": "reset", + "mptcpFastjoin": "disabled", + "mptcpIdleTimeout": 300, + "mptcpJoinMax": 5, + "mptcpMakeafterbreak": "disabled", + "mptcpNojoindssack": "disabled", + "mptcpRtomax": 5, + "mptcpRxmitmin": 1000, + "mptcpSubflowmax": 6, + "mptcpTimeout": 3600, + "nagle": "disabled", + "pktLossIgnoreBurst": 0, + "pktLossIgnoreRate": 0, + "proxyBufferHigh": 49152, + "proxyBufferLow": 32768, + "proxyMss": "enabled", + "proxyOptions": "disabled", + "pushFlag": "default", + "ratePace": "disabled", + "ratePaceMaxRate": 0, + "receiveWindowSize": 65535, + "resetOnTimeout": "enabled", + "rexmtThresh": 3, + "selectiveAcks": "enabled", + "selectiveNack": "disabled", + "sendBufferSize": 65535, + "slowStart": "enabled", + "synCookieEnable": "enabled", + "synCookieWhitelist": "disabled", + "synMaxRetrans": 3, + "synRtoBase": 3000, + "tailLossProbe": "disabled", + "tcpOptions": "none", + "timeWaitRecycle": "enabled", + "timeWaitTimeout": "2000", + "timestamps": "enabled", + "verifiedAccept": "disabled", + "zeroWindowTimeout": 20000 +} diff --git a/test/units/modules/network/f5/test_bigip_profile_tcp.py b/test/units/modules/network/f5/test_bigip_profile_tcp.py new file mode 100644 index 00000000000..74951c308b6 --- /dev/null +++ b/test/units/modules/network/f5/test_bigip_profile_tcp.py @@ -0,0 +1,114 @@ +# -*- coding: utf-8 -*- +# +# Copyright: (c) 2017, F5 Networks Inc. +# GNU General Public License v3.0 (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) + +from __future__ import (absolute_import, division, print_function) +__metaclass__ = type + +import os +import json +import pytest +import sys + +from nose.plugins.skip import SkipTest +if sys.version_info < (2, 7): + raise SkipTest("F5 Ansible modules require Python >= 2.7") + +from ansible.compat.tests import unittest +from ansible.compat.tests.mock import Mock +from ansible.compat.tests.mock import patch +from ansible.module_utils.basic import AnsibleModule + +try: + from library.modules.bigip_profile_tcp import ApiParameters + from library.modules.bigip_profile_tcp import ModuleParameters + from library.modules.bigip_profile_tcp import ModuleManager + from library.modules.bigip_profile_tcp import ArgumentSpec + from library.module_utils.network.f5.common import F5ModuleError + from library.module_utils.network.f5.common import iControlUnexpectedHTTPError + from test.unit.modules.utils import set_module_args +except ImportError: + try: + from ansible.modules.network.f5.bigip_profile_tcp import ApiParameters + from ansible.modules.network.f5.bigip_profile_tcp import ModuleParameters + from ansible.modules.network.f5.bigip_profile_tcp import ModuleManager + from ansible.modules.network.f5.bigip_profile_tcp import ArgumentSpec + from ansible.module_utils.network.f5.common import F5ModuleError + from ansible.module_utils.network.f5.common import iControlUnexpectedHTTPError + from units.modules.utils import set_module_args + except ImportError: + raise SkipTest("F5 Ansible modules require the f5-sdk Python library") + +fixture_path = os.path.join(os.path.dirname(__file__), 'fixtures') +fixture_data = {} + + +def load_fixture(name): + path = os.path.join(fixture_path, name) + + if path in fixture_data: + return fixture_data[path] + + with open(path) as f: + data = f.read() + + try: + data = json.loads(data) + except Exception: + pass + + fixture_data[path] = data + return data + + +class TestParameters(unittest.TestCase): + def test_module_parameters(self): + args = dict( + name='foo', + parent='bar', + idle_timeout='500' + ) + + p = ModuleParameters(params=args) + assert p.name == 'foo' + assert p.parent == '/Common/bar' + assert p.idle_timeout == 500 + + def test_api_parameters(self): + args = load_fixture('load_ltm_profile_tcp_1.json') + p = ApiParameters(params=args) + assert p.name == 'foo' + assert p.idle_timeout == 300 + + +class TestManager(unittest.TestCase): + + def setUp(self): + self.spec = ArgumentSpec() + + def test_create(self, *args): + # Configure the arguments that would be sent to the Ansible module + set_module_args(dict( + name='foo', + parent='bar', + idle_timeout=500, + password='password', + server='localhost', + user='admin' + )) + + module = AnsibleModule( + argument_spec=self.spec.argument_spec, + supports_check_mode=self.spec.supports_check_mode + ) + mm = ModuleManager(module=module) + + # Override methods to force specific logic in the module to happen + mm.exists = Mock(return_value=False) + mm.create_on_device = Mock(return_value=True) + + results = mm.exec_module() + + assert results['changed'] is True + assert results['idle_timeout'] == 500