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Adds the bigip_snmp module (#25668)

This patch adds a module for managing several snmp related settings
on a BIG-IP that are required when configuring the range of SNMP
settings on a device.

Unit tests are provided. Integration tests can be found here

https://github.com/F5Networks/f5-ansible/blob/devel/test/integration/bigip_snmp.yaml#L23
https://github.com/F5Networks/f5-ansible/tree/devel/test/integration/targets/bigip_snmp/tasks
This commit is contained in:
Tim Rupp 2017-06-14 10:29:41 -07:00 committed by John R Barker
parent 478d364f4d
commit ba12ce64b0
2 changed files with 455 additions and 0 deletions

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#!/usr/bin/python
#
# Copyright 2017 F5 Networks Inc.
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
ANSIBLE_METADATA = {
'status': ['preview'],
'supported_by': 'community',
'metadata_version': '1.0'
}
DOCUMENTATION = '''
module: bigip_snmp
short_description: Manipulate general SNMP settings on a BIG-IP.
description:
- Manipulate general SNMP settings on a BIG-IP.
version_added: 2.4
options:
contact:
description:
- Specifies the name of the person who administers the SNMP
service for this system.
agent_status_traps:
description:
- When C(enabled), ensures that the system sends a trap whenever the
SNMP agent starts running or stops running. This is usually enabled
by default on a BIG-IP.
choices:
- enabled
- disabled
agent_authentication_traps:
description:
- When C(enabled), ensures that the system sends authentication warning
traps to the trap destinations. This is usually disabled by default on
a BIG-IP.
choices:
- enabled
- disabled
device_warning_traps:
description:
- When C(enabled), ensures that the system sends device warning traps
to the trap destinations. This is usually enabled by default on a
BIG-IP.
choices:
- enabled
- disabled
location:
description:
- Specifies the description of this system's physical location.
notes:
- Requires the f5-sdk Python package on the host. This is as easy as pip
install f5-sdk.
extends_documentation_fragment: f5
requirements:
- f5-sdk >= 2.2.0
author:
- Tim Rupp (@caphrim007)
'''
EXAMPLES = '''
- name: Set snmp contact
bigip_snmp:
contact: "Joe User"
password: "secret"
server: "lb.mydomain.com"
user: "admin"
validate_certs: "false"
delegate_to: localhost
- name: Set snmp location
bigip_snmp:
location: "US West 1"
password: "secret"
server: "lb.mydomain.com"
user: "admin"
validate_certs: "false"
delegate_to: localhost
'''
RETURN = '''
agent_status_traps:
description: Value that the agent status traps was set to.
returned: changed
type: string
sample: "enabled"
agent_authentication_traps:
description: Value that the authentication status traps was set to.
returned: changed
type: string
sample: "enabled"
device_warning_traps:
description: Value that the warning status traps was set to.
returned: changed
type: string
sample: "enabled"
contact:
description: The new value for the person who administers SNMP on the device.
returned: changed
type: string
sample: Joe User
location:
description: The new value for the system's physical location.
returned: changed
type: string
sample: "US West 1a"
'''
from ansible.module_utils.f5_utils import (
AnsibleF5Client,
AnsibleF5Parameters,
HAS_F5SDK,
F5ModuleError,
iControlUnexpectedHTTPError
)
class Parameters(AnsibleF5Parameters):
api_map = {
'agentTrap': 'agent_status_traps',
'authTrap': 'agent_authentication_traps',
'bigipTraps': 'device_warning_traps',
'sysLocation': 'location',
'sysContact': 'contact'
}
updatables = [
'agent_status_traps', 'agent_authentication_traps',
'device_warning_traps', 'location', 'contact'
]
returnables = [
'agent_status_traps', 'agent_authentication_traps',
'device_warning_traps', 'location', 'contact'
]
api_attributes = [
'agentTrap', 'authTrap', 'bigipTraps', 'sysLocation', 'sysContact'
]
def to_return(self):
result = {}
for returnable in self.returnables:
result[returnable] = getattr(self, returnable)
result = self._filter_params(result)
return result
def api_params(self):
result = {}
for api_attribute in self.api_attributes:
if self.api_map is not None and api_attribute in self.api_map:
result[api_attribute] = getattr(self, self.api_map[api_attribute])
else:
result[api_attribute] = getattr(self, api_attribute)
result = self._filter_params(result)
return result
class ModuleManager(object):
def __init__(self, client):
self.client = client
self.have = None
self.want = Parameters(self.client.module.params)
self.changes = Parameters()
def _update_changed_options(self):
changed = {}
for key in Parameters.updatables:
if getattr(self.want, key) is not None:
attr1 = getattr(self.want, key)
attr2 = getattr(self.have, key)
if attr1 != attr2:
changed[key] = attr1
if changed:
self.changes = Parameters(changed)
return True
return False
def exec_module(self):
result = dict()
try:
changed = self.update()
except iControlUnexpectedHTTPError as e:
raise F5ModuleError(str(e))
changes = self.changes.to_return()
result.update(**changes)
result.update(dict(changed=changed))
return result
def should_update(self):
result = self._update_changed_options()
if result:
return True
return False
def update(self):
self.have = self.read_current_from_device()
if not self.should_update():
return False
if self.client.check_mode:
return True
self.update_on_device()
return True
def update_on_device(self):
params = self.want.api_params()
result = self.client.api.tm.sys.snmp.load()
result.modify(**params)
def read_current_from_device(self):
resource = self.client.api.tm.sys.snmp.load()
result = resource.attrs
return Parameters(result)
class ArgumentSpec(object):
def __init__(self):
self.supports_check_mode = True
self.choices = ['enabled', 'disabled']
self.argument_spec = dict(
contact=dict(
required=False,
default=None
),
agent_status_traps=dict(
required=False,
default=None,
choices=self.choices
),
agent_authentication_traps=dict(
required=False,
default=None,
choices=self.choices
),
device_warning_traps=dict(
required=False,
default=None,
choices=self.choices
),
location=dict(
required=False,
default=None
)
)
self.f5_product_name = 'bigip'
def main():
if not HAS_F5SDK:
raise F5ModuleError("The python f5-sdk module is required")
spec = ArgumentSpec()
client = AnsibleF5Client(
argument_spec=spec.argument_spec,
supports_check_mode=spec.supports_check_mode,
f5_product_name=spec.f5_product_name
)
try:
mm = ModuleManager(client)
results = mm.exec_module()
client.module.exit_json(**results)
except F5ModuleError as e:
client.module.fail_json(msg=str(e))
if __name__ == '__main__':
main()

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# -*- coding: utf-8 -*-
#
# Copyright 2017 F5 Networks Inc.
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import sys
if sys.version_info < (2, 7):
from nose.plugins.skip import SkipTest
raise SkipTest("F5 Ansible modules require Python >= 2.7")
import os
import json
from ansible.compat.tests import unittest
from ansible.compat.tests.mock import patch, Mock
from ansible.module_utils import basic
from ansible.module_utils._text import to_bytes
from ansible.module_utils.f5_utils import AnsibleF5Client
try:
from library.bigip_snmp import Parameters
from library.bigip_snmp import ModuleManager
from library.bigip_snmp import ArgumentSpec
except ImportError:
from ansible.modules.network.f5.bigip_snmp import Parameters
from ansible.modules.network.f5.bigip_snmp import ModuleManager
from ansible.modules.network.f5.bigip_snmp import ArgumentSpec
fixture_path = os.path.join(os.path.dirname(__file__), 'fixtures')
fixture_data = {}
def set_module_args(args):
args = json.dumps({'ANSIBLE_MODULE_ARGS': args})
basic._ANSIBLE_ARGS = to_bytes(args)
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(
agent_status_traps='enabled',
agent_authentication_traps='enabled',
contact='Alice@foo.org',
device_warning_traps='enabled',
location='Lunar orbit',
password='password',
server='localhost',
user='admin'
)
p = Parameters(args)
assert p.agent_status_traps == 'enabled'
assert p.agent_authentication_traps == 'enabled'
assert p.device_warning_traps == 'enabled'
assert p.location == 'Lunar orbit'
assert p.contact == 'Alice@foo.org'
def test_module_parameters_disabled(self):
args = dict(
agent_status_traps='disabled',
agent_authentication_traps='disabled',
device_warning_traps='disabled',
password='password',
server='localhost',
user='admin'
)
p = Parameters(args)
assert p.agent_status_traps == 'disabled'
assert p.agent_authentication_traps == 'disabled'
assert p.device_warning_traps == 'disabled'
def test_api_parameters(self):
args = dict(
agentTrap='enabled',
authTrap='enabled',
bigipTraps='enabled',
sysLocation='Lunar orbit',
sysContact='Alice@foo.org',
)
p = Parameters(args)
assert p.agent_status_traps == 'enabled'
assert p.agent_authentication_traps == 'enabled'
assert p.device_warning_traps == 'enabled'
assert p.location == 'Lunar orbit'
assert p.contact == 'Alice@foo.org'
def test_api_parameters_disabled(self):
args = dict(
agentTrap='disabled',
authTrap='disabled',
bigipTraps='disabled',
)
p = Parameters(args)
assert p.agent_status_traps == 'disabled'
assert p.agent_authentication_traps == 'disabled'
assert p.device_warning_traps == 'disabled'
@patch('ansible.module_utils.f5_utils.AnsibleF5Client._get_mgmt_root',
return_value=True)
class TestManager(unittest.TestCase):
def setUp(self):
self.spec = ArgumentSpec()
def test_update_agent_status_traps(self, *args):
set_module_args(dict(
agent_status_traps='enabled',
password='passsword',
server='localhost',
user='admin'
))
# Configure the parameters that would be returned by querying the
# remote device
current = Parameters(
dict(
agent_status_traps='disabled'
)
)
client = AnsibleF5Client(
argument_spec=self.spec.argument_spec,
supports_check_mode=self.spec.supports_check_mode,
f5_product_name=self.spec.f5_product_name
)
mm = ModuleManager(client)
# Override methods to force specific logic in the module to happen
mm.update_on_device = Mock(return_value=True)
mm.read_current_from_device = Mock(return_value=current)
results = mm.exec_module()
assert results['changed'] is True
assert results['agent_status_traps'] == 'enabled'