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Adds ipsec policy module for BIG-IP (#47785)

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Allows users to manage IPSec policies on a BIG-IP
pull/47788/head
Tim Rupp 6 years ago committed by GitHub
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commit 7336dd595b
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701
lib/ansible/modules/network/f5/bigip_ipsec_policy.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright: (c) 2018, 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': 'certified'}
DOCUMENTATION = r'''
---
module: bigip_ipsec_policy
short_description: Manage IPSec policies on a BIG-IP
description:
- Manage IPSec policies on a BIG-IP.
version_added: 2.8
options:
name:
description:
- Specifies the name of the IPSec policy.
required: True
description:
description:
- Description of the policy
protocol:
description:
- Specifies the IPsec protocol
- Options include ESP (Encapsulating Security Protocol) or AH (Authentication Header).
choices:
- esp
- ah
mode:
description:
- Specifies the processing mode.
- When C(transport), specifies a mode that encapsulates only the payload (adding
an ESP header, trailer, and authentication tag).
- When C(tunnel), specifies a mode that includes encapsulation of the header as
well as the payload (adding a new IP header, in addition to adding an ESP header,
trailer, and authentication tag). If you select this option, you must also
provide IP addresses for the local and remote endpoints of the IPsec tunnel.
- When C(isession), specifies the use of iSession over an IPsec tunnel. To use
this option, you must also configure the iSession endpoints with IPsec in the
Acceleration section of the user interface.
- When C(interface), specifies that the IPsec policy can be used in the tunnel
profile for network interfaces.
choices:
- transport
- interface
- isession
- tunnel
tunnel_local_address:
description:
- Specifies the local endpoint IP address of the IPsec tunnel.
- This parameter is only valid when C(mode) is C(tunnel).
tunnel_remote_address:
description:
- Specifies the remote endpoint IP address of the IPsec tunnel.
- This parameter is only valid when C(mode) is C(tunnel).
encrypt_algorithm:
description:
- Specifies the algorithm to use for IKE encryption.
choices:
- none
- 3des
- aes128
- aes192
- aes256
- aes-gmac256
- aes-gmac192
- aes-gmac128
- aes-gcm256
- aes-gcm192
- aes-gcm256
- aes-gcm128
route_domain:
description:
- Specifies the route domain, when C(interface) is selected for the C(mode) setting.
auth_algorithm:
description:
- Specifies the algorithm to use for IKE authentication.
choices:
- sha1
- sha256
- sha384
- sha512
- aes-gcm128
- aes-gcm192
- aes-gcm256
- aes-gmac128
- aes-gmac192
- aes-gmac256
ipcomp:
description:
- Specifies whether to use IPComp encapsulation.
- When C(none), specifies that IPComp is disabled.
- When C(deflate), specifies that IPComp is enabled and uses the Deflate
compression algorithm.
choices:
- none
- "null"
- deflate
lifetime:
description:
- Specifies the length of time, in minutes, before the IKE security association
expires.
kb_lifetime:
description:
- Specifies the length of time, in kilobytes, before the IKE security association
expires.
perfect_forward_secrecy:
description:
- Specifies the Diffie-Hellman group to use for IKE Phase 2 negotiation.
choices:
- none
- modp768
- modp1024
- modp1536
- modp2048
- modp3072
- modp4096
- modp6144
- modp8192
partition:
description:
- Device partition to manage resources on.
default: Common
state:
description:
- When C(present), ensures that the resource exists.
- When C(absent), ensures the resource is removed.
default: present
choices:
- present
- absent
extends_documentation_fragment: f5
author:
- Tim Rupp (@caphrim007)
'''
EXAMPLES = r'''
- name: Create a IPSec policy
bigip_ipsec_policy:
name: policy1
mode: tunnel
tunnel_local_address: 1.1.1.1
tunnel_remote_address: 2.2.2.
auth_algorithm: sha1
encrypt_algorithm: 3des
protocol: esp
perfect_forward_secrecy: modp1024
provider:
password: secret
server: lb.mydomain.com
user: admin
delegate_to: localhost
'''
RETURN = r'''
auth_algorithm:
description: The new IKE Phase 2 Authentication Algorithm value.
returned: changed
type: string
sample: sha512
encrypt_algorithm:
description: The new IKE Phase 2 Encryption Algorithm value.
returned: changed
type: string
sample: aes256
lifetime:
description: The new IKE Phase 2 Lifetime value.
returned: changed
type: int
sample: 1440
kb_lifetime:
description: The new IKE Phase 2 KB Lifetime value.
returned: changed
type: int
sample: 0
perfect_forward_secrecy:
description: The new IKE Phase 2 Perfect Forward Secrecy value.
returned: changed
type: string
sample: modp2048
tunnel_local_address:
description: The new Tunnel Local Address value.
returned: changed
type: string
sample: 1.2.2.1
tunnel_remote_address:
description: The new Tunnel Remote Address value.
returned: changed
type: string
sample: 2.1.1.2
mode:
description: The new Mode value.
returned: changed
type: string
sample: tunnel
protocol:
description: The new IPsec Protocol value.
returned: changed
type: string
sample: ah
ipcomp:
description: The new IKE Phase 2 IPComp value.
returned: changed
type: string
sample: deflate
description:
description: The new description value.
returned: changed
type: string
sample: My policy
route_domain:
description: The new Route Domain value when in Tunnel mode.
returned: changed
type: int
sample: 2
'''
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.basic import env_fallback
try:
from library.module_utils.network.f5.bigip import F5RestClient
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
from library.module_utils.network.f5.common import exit_json
from library.module_utils.network.f5.common import fail_json
from library.module_utils.network.f5.common import transform_name
except ImportError:
from ansible.module_utils.network.f5.bigip import F5RestClient
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
from ansible.module_utils.network.f5.common import exit_json
from ansible.module_utils.network.f5.common import fail_json
from ansible.module_utils.network.f5.common import transform_name
class Parameters(AnsibleF5Parameters):
api_map = {
'ikePhase2AuthAlgorithm': 'auth_algorithm',
'ikePhase2EncryptAlgorithm': 'encrypt_algorithm',
'ikePhase2Lifetime': 'lifetime',
'ikePhase2LifetimeKilobytes': 'kb_lifetime',
'ikePhase2PerfectForwardSecrecy': 'perfect_forward_secrecy',
'tunnelLocalAddress': 'tunnel_local_address',
'tunnelRemoteAddress': 'tunnel_remote_address',
}
api_attributes = [
'ikePhase2AuthAlgorithm',
'ikePhase2EncryptAlgorithm',
'ikePhase2Lifetime',
'ikePhase2LifetimeKilobytes',
'ikePhase2PerfectForwardSecrecy',
'tunnelLocalAddress',
'tunnelRemoteAddress',
'mode',
'protocol',
'ipcomp',
'description',
]
returnables = [
'auth_algorithm',
'encrypt_algorithm',
'lifetime',
'kb_lifetime',
'perfect_forward_secrecy',
'tunnel_local_address',
'tunnel_remote_address',
'mode',
'protocol',
'ipcomp',
'description',
'route_domain',
]
updatables = [
'auth_algorithm',
'encrypt_algorithm',
'lifetime',
'kb_lifetime',
'perfect_forward_secrecy',
'tunnel_local_address',
'tunnel_remote_address',
'mode',
'protocol',
'ipcomp',
'description',
'route_domain',
]
class ApiParameters(Parameters):
@property
def encrypt_algorithm(self):
if self._values['encrypt_algorithm'] is None:
return None
elif self._values['encrypt_algorithm'] == 'null':
return 'none'
return self._values['encrypt_algorithm']
@property
def description(self):
if self._values['description'] in [None, 'none']:
return None
return self._values['description']
@property
def route_domain(self):
if self.tunnel_local_address is None and self.tunnel_remote_address is None:
return None
elif self.tunnel_local_address is None and self.tunnel_remote_address is not None:
if self.tunnel_remote_address == 'any6':
result = 'any6'
else:
result = int(self.tunnel_remote_address.split('%')[1])
elif self.tunnel_remote_address is None and self.tunnel_local_address is not None:
if self.tunnel_local_address == 'any6':
result = 'any6'
else:
result = int(self.tunnel_local_address.split('%')[1])
else:
try:
result = int(self.tunnel_local_address.split('%')[1])
except Exception:
if self.tunnel_local_address == 'any6':
return 0
return None
try:
if result == 'any6':
return 0
return int(self.tunnel_local_address.split('%')[1])
except Exception:
return None
class ModuleParameters(Parameters):
@property
def description(self):
if self._values['description'] is None:
return None
elif self._values['description'] in ['none', '']:
return ''
return self._values['description']
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 encrypt_algorithm(self):
if self._values['encrypt_algorithm'] is None:
return None
elif self._values['encrypt_algorithm'] == 'none':
return 'null'
return self._values['encrypt_algorithm']
class ReportableChanges(Changes):
@property
def encrypt_algorithm(self):
if self._values['encrypt_algorithm'] is None:
return None
elif self._values['encrypt_algorithm'] == 'null':
return 'none'
return self._values['encrypt_algorithm']
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
@property
def description(self):
if self.want.description is None:
return None
if self.have.description is None and self.want.description == '':
return None
if self.want.description != self.have.description:
return self.want.description
@property
def route_domain(self):
if self.want.route_domain is None:
return None
if self.have.route_domain != self.want.route_domain:
if self.want.route_domain == 0:
return dict(
tunnel_local_address='any6',
tunnel_remote_address='any6',
route_domain=self.want.route_domain,
)
else:
return dict(
tunnel_local_address='any%{0}'.format(self.want.route_domain),
tunnel_remote_address='any%{0}'.format(self.want.route_domain),
route_domain=self.want.route_domain,
)
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
if state == "present":
changed = self.present()
elif state == "absent":
changed = self.absent()
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):
uri = "https://{0}:{1}/mgmt/tm/net/ipsec/ipsec-policy/{2}".format(
self.client.provider['server'],
self.client.provider['server_port'],
transform_name(self.want.partition, self.want.name)
)
resp = self.client.api.get(uri)
try:
response = resp.json()
except ValueError:
return False
if resp.status == 404 or 'code' in response and response['code'] == 404:
return False
return True
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):
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()
params['name'] = self.want.name
params['partition'] = self.want.partition
uri = "https://{0}:{1}/mgmt/tm/net/ipsec/ipsec-policy/".format(
self.client.provider['server'],
self.client.provider['server_port']
)
resp = self.client.api.post(uri, json=params)
try:
response = resp.json()
except ValueError as ex:
raise F5ModuleError(str(ex))
if 'code' in response and response['code'] in [400, 403]:
if 'message' in response:
raise F5ModuleError(response['message'])
else:
raise F5ModuleError(resp.content)
def update_on_device(self):
params = self.changes.api_params()
uri = "https://{0}:{1}/mgmt/tm/net/ipsec/ipsec-policy/{2}".format(
self.client.provider['server'],
self.client.provider['server_port'],
transform_name(self.want.partition, self.want.name)
)
resp = self.client.api.patch(uri, json=params)
try:
response = resp.json()
except ValueError as ex:
raise F5ModuleError(str(ex))
if 'code' in response and response['code'] == 400:
if 'message' in response:
raise F5ModuleError(response['message'])
else:
raise F5ModuleError(resp.content)
def absent(self):
if self.exists():
return self.remove()
return False
def remove_from_device(self):
uri = "https://{0}:{1}/mgmt/tm/net/ipsec/ipsec-policy/{2}".format(
self.client.provider['server'],
self.client.provider['server_port'],
transform_name(self.want.partition, self.want.name)
)
resp = self.client.api.delete(uri)
if resp.status == 200:
return True
def read_current_from_device(self):
uri = "https://{0}:{1}/mgmt/tm/net/ipsec/ipsec-policy/{2}".format(
self.client.provider['server'],
self.client.provider['server_port'],
transform_name(self.want.partition, self.want.name)
)
resp = self.client.api.get(uri)
try:
response = resp.json()
except ValueError as ex:
raise F5ModuleError(str(ex))
if 'code' in response and response['code'] == 400:
if 'message' in response:
raise F5ModuleError(response['message'])
else:
raise F5ModuleError(resp.content)
return ApiParameters(params=response)
class ArgumentSpec(object):
def __init__(self):
self.supports_check_mode = True
argument_spec = dict(
name=dict(required=True),
description=dict(),
protocol=dict(
choices=['esp', 'ah']
),
mode=dict(
choices=['transport', 'interface', 'isession', 'tunnel']
),
tunnel_local_address=dict(),
tunnel_remote_address=dict(),
encrypt_algorithm=dict(
choices=[
'none', '3des', 'aes128', 'aes192', 'aes256', 'aes-gmac256',
'aes-gmac192', 'aes-gmac128', 'aes-gcm256', 'aes-gcm192',
'aes-gcm256', 'aes-gcm128'
]
),
route_domain=dict(type='int'),
auth_algorithm=dict(
choices=[
'sha1', 'sha256', 'sha384', 'sha512', 'aes-gcm128',
'aes-gcm192', 'aes-gcm256', 'aes-gmac128', 'aes-gmac192',
'aes-gmac256',
]
),
ipcomp=dict(
choices=['none', 'null', 'deflate']
),
lifetime=dict(type='int'),
kb_lifetime=dict(type='int'),
perfect_forward_secrecy=dict(
choices=[
'none', 'modp768', 'modp1024', 'modp1536', 'modp2048', 'modp3072',
'modp4096', 'modp6144', 'modp8192'
]
),
state=dict(default='present', choices=['absent', 'present']),
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)
self.required_if = [
['mode', 'tunnel', ['tunnel_local_address', 'tunnel_remote_address']],
['mode', 'interface', ['route_domain']]
]
def main():
spec = ArgumentSpec()
module = AnsibleModule(
argument_spec=spec.argument_spec,
supports_check_mode=spec.supports_check_mode,
)
try:
client = F5RestClient(**module.params)
mm = ModuleManager(module=module, client=client)
results = mm.exec_module()
cleanup_tokens(client)
exit_json(module, results, client)
except F5ModuleError as ex:
cleanup_tokens(client)
fail_json(module, ex, client)
if __name__ == '__main__':
main()

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test/units/modules/network/f5/test_bigip_ipsec_policy.py
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# -*- coding: utf-8 -*-
#
# Copyright: (c) 2018, 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 sys
from nose.plugins.skip import SkipTest
if sys.version_info < (2, 7):
raise SkipTest("F5 Ansible modules require Python >= 2.7")
from ansible.module_utils.basic import AnsibleModule
try:
from library.modules.bigip_ipsec_policy import ApiParameters
from library.modules.bigip_ipsec_policy import ModuleParameters
from library.modules.bigip_ipsec_policy import ModuleManager
from library.modules.bigip_ipsec_policy import ArgumentSpec
# In Ansible 2.8, Ansible changed import paths.
from test.units.compat import unittest
from test.units.compat.mock import Mock
from test.units.compat.mock import patch
from test.units.modules.utils import set_module_args
except ImportError:
try:
from ansible.modules.network.f5.bigip_ipsec_policy import ApiParameters
from ansible.modules.network.f5.bigip_ipsec_policy import ModuleParameters
from ansible.modules.network.f5.bigip_ipsec_policy import ModuleManager
from ansible.modules.network.f5.bigip_ipsec_policy import ArgumentSpec
# Ansible 2.8 imports
from units.compat import unittest
from units.compat.mock import Mock
from units.compat.mock import patch
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='ipsec1',
)
p = ModuleParameters(params=args)
assert p.name == 'ipsec1'
def test_api_parameters(self):
args = dict(
name='ipsec1',
)
p = ApiParameters(params=args)
assert p.name == 'ipsec1'
class TestUntypedManager(unittest.TestCase):
def setUp(self):
self.spec = ArgumentSpec()
def test_create(self, *args):
set_module_args(dict(
name='ipsec1',
password='password',
server='localhost',
user='admin'
))
module = AnsibleModule(
argument_spec=self.spec.argument_spec,
supports_check_mode=self.spec.supports_check_mode
)
# Override methods to force specific logic in the module to happen
mm = ModuleManager(module=module)
mm.create_on_device = Mock(return_value=True)
mm.exists = Mock(return_value=False)
results = mm.exec_module()
assert results['changed'] is True
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