450 lines
12 KiB
Python
450 lines
12 KiB
Python
#!/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': ['stableinterface'],
|
|
'supported_by': 'certified'}
|
|
|
|
DOCUMENTATION = r'''
|
|
---
|
|
module: bigip_device_sshd
|
|
short_description: Manage the SSHD settings of a BIG-IP
|
|
description:
|
|
- Manage the SSHD settings of a BIG-IP.
|
|
version_added: 2.2
|
|
options:
|
|
allow:
|
|
description:
|
|
- Specifies, if you have enabled SSH access, the IP address or address
|
|
range for other systems that can use SSH to communicate with this
|
|
system.
|
|
- To specify all addresses, use the value C(all).
|
|
- IP address can be specified, such as 172.27.1.10.
|
|
- IP rangees can be specified, such as 172.27.*.* or 172.27.0.0/255.255.0.0.
|
|
- To remove SSH access specify an empty list or an empty string.
|
|
type: list
|
|
banner:
|
|
description:
|
|
- Whether to enable the banner or not.
|
|
type: str
|
|
choices:
|
|
- enabled
|
|
- disabled
|
|
banner_text:
|
|
description:
|
|
- Specifies the text to include on the pre-login banner that displays
|
|
when a user attempts to login to the system using SSH.
|
|
type: str
|
|
inactivity_timeout:
|
|
description:
|
|
- Specifies the number of seconds before inactivity causes an SSH
|
|
session to log out.
|
|
type: int
|
|
log_level:
|
|
description:
|
|
- Specifies the minimum SSHD message level to include in the system log.
|
|
type: str
|
|
choices:
|
|
- debug
|
|
- debug1
|
|
- debug2
|
|
- debug3
|
|
- error
|
|
- fatal
|
|
- info
|
|
- quiet
|
|
- verbose
|
|
login:
|
|
description:
|
|
- Specifies, when checked C(enabled), that the system accepts SSH
|
|
communications.
|
|
type: str
|
|
choices:
|
|
- enabled
|
|
- disabled
|
|
port:
|
|
description:
|
|
- Port that you want the SSH daemon to run on.
|
|
type: int
|
|
notes:
|
|
- Requires BIG-IP version 12.0.0 or greater
|
|
extends_documentation_fragment: f5
|
|
author:
|
|
- Tim Rupp (@caphrim007)
|
|
- Wojciech Wypior (@wojtek0806)
|
|
'''
|
|
|
|
EXAMPLES = r'''
|
|
- name: Set the banner for the SSHD service from a string
|
|
bigip_device_sshd:
|
|
banner: enabled
|
|
banner_text: banner text goes here
|
|
provider:
|
|
password: secret
|
|
server: lb.mydomain.com
|
|
user: admin
|
|
delegate_to: localhost
|
|
|
|
- name: Set the banner for the SSHD service from a file
|
|
bigip_device_sshd:
|
|
banner: enabled
|
|
banner_text: "{{ lookup('file', '/path/to/file') }}"
|
|
provider:
|
|
password: secret
|
|
server: lb.mydomain.com
|
|
user: admin
|
|
delegate_to: localhost
|
|
|
|
- name: Set the SSHD service to run on port 2222
|
|
bigip_device_sshd:
|
|
port: 2222
|
|
provider:
|
|
user: admin
|
|
password: secret
|
|
server: lb.mydomain.com
|
|
delegate_to: localhost
|
|
'''
|
|
|
|
RETURN = r'''
|
|
allow:
|
|
description:
|
|
- Specifies, if you have enabled SSH access, the IP address or address
|
|
range for other systems that can use SSH to communicate with this
|
|
system.
|
|
returned: changed
|
|
type: list
|
|
sample: 192.0.2.*
|
|
banner:
|
|
description: Whether the banner is enabled or not.
|
|
returned: changed
|
|
type: str
|
|
sample: true
|
|
banner_text:
|
|
description:
|
|
- Specifies the text included on the pre-login banner that
|
|
displays when a user attempts to login to the system using SSH.
|
|
returned: changed and success
|
|
type: str
|
|
sample: This is a corporate device. Connecting to it without...
|
|
inactivity_timeout:
|
|
description:
|
|
- The number of seconds before inactivity causes an SSH
|
|
session to log out.
|
|
returned: changed
|
|
type: int
|
|
sample: 10
|
|
log_level:
|
|
description: The minimum SSHD message level to include in the system log.
|
|
returned: changed
|
|
type: str
|
|
sample: debug
|
|
login:
|
|
description: Specifies that the system accepts SSH communications or not.
|
|
returned: changed
|
|
type: bool
|
|
sample: true
|
|
port:
|
|
description: Port that you want the SSH daemon to run on.
|
|
returned: changed
|
|
type: int
|
|
sample: 22
|
|
'''
|
|
|
|
from ansible.module_utils.basic import AnsibleModule
|
|
|
|
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 fq_name
|
|
from library.module_utils.network.f5.common import f5_argument_spec
|
|
from library.module_utils.network.f5.common import is_empty_list
|
|
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 fq_name
|
|
from ansible.module_utils.network.f5.common import f5_argument_spec
|
|
from ansible.module_utils.network.f5.common import is_empty_list
|
|
|
|
|
|
class Parameters(AnsibleF5Parameters):
|
|
api_map = {
|
|
'bannerText': 'banner_text',
|
|
'inactivityTimeout': 'inactivity_timeout',
|
|
'logLevel': 'log_level',
|
|
}
|
|
|
|
api_attributes = [
|
|
'allow', 'banner', 'bannerText', 'inactivityTimeout',
|
|
'logLevel', 'login', 'port',
|
|
]
|
|
|
|
updatables = [
|
|
'allow', 'banner', 'banner_text', 'inactivity_timeout',
|
|
'log_level', 'login', 'port',
|
|
]
|
|
|
|
returnables = [
|
|
'allow', 'banner', 'banner_text', 'inactivity_timeout',
|
|
'log_level', 'login', 'port',
|
|
]
|
|
|
|
|
|
class ApiParameters(Parameters):
|
|
pass
|
|
|
|
|
|
class ModuleParameters(Parameters):
|
|
@property
|
|
def inactivity_timeout(self):
|
|
if self._values['inactivity_timeout'] is None:
|
|
return None
|
|
return int(self._values['inactivity_timeout'])
|
|
|
|
@property
|
|
def port(self):
|
|
if self._values['port'] is None:
|
|
return None
|
|
return int(self._values['port'])
|
|
|
|
@property
|
|
def allow(self):
|
|
allow = self._values['allow']
|
|
if allow is None:
|
|
return None
|
|
if is_empty_list(allow):
|
|
return []
|
|
return allow
|
|
|
|
|
|
class Changes(Parameters):
|
|
def to_return(self):
|
|
result = {}
|
|
try:
|
|
for returnable in self.returnables:
|
|
change = getattr(self, returnable)
|
|
if isinstance(change, dict):
|
|
result.update(change)
|
|
else:
|
|
result[returnable] = change
|
|
result = self._filter_params(result)
|
|
except Exception:
|
|
pass
|
|
return result
|
|
|
|
|
|
class UsableChanges(Changes):
|
|
pass
|
|
|
|
|
|
class ReportableChanges(Changes):
|
|
pass
|
|
|
|
|
|
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 allow(self):
|
|
if self.want.allow is None:
|
|
return None
|
|
if not self.want.allow:
|
|
if self.have.allow is None:
|
|
return None
|
|
if self.have.allow is not None:
|
|
return self.want.allow
|
|
if self.have.allow is None:
|
|
return self.want.allow
|
|
if set(self.want.allow) != set(self.have.allow):
|
|
return self.want.allow
|
|
|
|
@property
|
|
def banner_text(self):
|
|
if self.want.banner_text is None:
|
|
return None
|
|
if self.want.banner_text == '' and self.have.banner_text is None:
|
|
return None
|
|
if self.want.banner_text != self.have.banner_text:
|
|
return self.want.banner_text
|
|
|
|
|
|
class ModuleManager(object):
|
|
def __init__(self, *args, **kwargs):
|
|
self.module = kwargs.get('module', None)
|
|
self.client = F5RestClient(**self.module.params)
|
|
self.want = ModuleParameters(params=self.module.params)
|
|
self.have = ApiParameters()
|
|
self.changes = UsableChanges()
|
|
|
|
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 _announce_deprecations(self, result):
|
|
warnings = result.pop('__warnings', [])
|
|
for warning in warnings:
|
|
self.client.module.deprecate(
|
|
msg=warning['msg'],
|
|
version=warning['version']
|
|
)
|
|
|
|
def exec_module(self):
|
|
result = dict()
|
|
|
|
changed = self.present()
|
|
|
|
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 present(self):
|
|
return self.update()
|
|
|
|
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 should_update(self):
|
|
result = self._update_changed_options()
|
|
if result:
|
|
return True
|
|
return False
|
|
|
|
def update_on_device(self):
|
|
params = self.changes.api_params()
|
|
uri = "https://{0}:{1}/mgmt/tm/sys/sshd/".format(
|
|
self.client.provider['server'],
|
|
self.client.provider['server_port'],
|
|
)
|
|
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 read_current_from_device(self):
|
|
uri = "https://{0}:{1}/mgmt/tm/sys/sshd/".format(
|
|
self.client.provider['server'],
|
|
self.client.provider['server_port'],
|
|
)
|
|
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.choices = ['enabled', 'disabled']
|
|
self.levels = [
|
|
'debug', 'debug1', 'debug2', 'debug3', 'error', 'fatal', 'info',
|
|
'quiet', 'verbose'
|
|
]
|
|
self.supports_check_mode = True
|
|
argument_spec = dict(
|
|
allow=dict(
|
|
type='list'
|
|
),
|
|
banner=dict(
|
|
choices=self.choices
|
|
),
|
|
banner_text=dict(),
|
|
inactivity_timeout=dict(
|
|
type='int'
|
|
),
|
|
log_level=dict(
|
|
choices=self.levels
|
|
),
|
|
login=dict(
|
|
choices=self.choices
|
|
),
|
|
port=dict(
|
|
type='int'
|
|
)
|
|
)
|
|
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
|
|
)
|
|
|
|
try:
|
|
mm = ModuleManager(module=module)
|
|
results = mm.exec_module()
|
|
module.exit_json(**results)
|
|
except F5ModuleError as ex:
|
|
module.fail_json(msg=str(ex))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|