354 lines
9.4 KiB
Python
354 lines
9.4 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# Copyright (c) 2017 F5 Networks Inc.
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# GNU General Public License v3.0 (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = r'''
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---
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module: bigip_device_sshd
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short_description: Manage the SSHD settings of a BIG-IP
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description:
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- Manage the SSHD settings of a BIG-IP.
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version_added: "2.2"
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options:
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allow:
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description:
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- Specifies, if you have enabled SSH access, the IP address or address
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range for other systems that can use SSH to communicate with this
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system.
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choices:
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- all
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- IP address, such as 172.27.1.10
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- IP range, such as 172.27.*.* or 172.27.0.0/255.255.0.0
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banner:
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description:
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- Whether to enable the banner or not.
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choices:
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- enabled
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- disabled
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banner_text:
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description:
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- Specifies the text to include on the pre-login banner that displays
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when a user attempts to login to the system using SSH.
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inactivity_timeout:
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description:
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- Specifies the number of seconds before inactivity causes an SSH
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session to log out.
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log_level:
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description:
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- Specifies the minimum SSHD message level to include in the system log.
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choices:
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- debug
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- debug1
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- debug2
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- debug3
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- error
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- fatal
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- info
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- quiet
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- verbose
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login:
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description:
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- Specifies, when checked C(enabled), that the system accepts SSH
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communications.
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choices:
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- enabled
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- disabled
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port:
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description:
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- Port that you want the SSH daemon to run on.
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notes:
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- Requires the f5-sdk Python package on the host This is as easy as pip
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install f5-sdk.
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- Requires BIG-IP version 12.0.0 or greater
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extends_documentation_fragment: f5
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requirements:
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- f5-sdk
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author:
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- Tim Rupp (@caphrim007)
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'''
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EXAMPLES = r'''
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- name: Set the banner for the SSHD service from a string
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bigip_device_sshd:
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banner: enabled
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banner_text: banner text goes here
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password: secret
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server: lb.mydomain.com
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user: admin
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delegate_to: localhost
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- name: Set the banner for the SSHD service from a file
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bigip_device_sshd:
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banner: enabled
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banner_text: "{{ lookup('file', '/path/to/file') }}"
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password: secret
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server: lb.mydomain.com
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user: admin
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delegate_to: localhost
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- name: Set the SSHD service to run on port 2222
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bigip_device_sshd:
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password: secret
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port: 2222
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server: lb.mydomain.com
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user: admin
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delegate_to: localhost
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'''
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RETURN = r'''
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allow:
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description: >
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Specifies, if you have enabled SSH access, the IP address or address
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range for other systems that can use SSH to communicate with this
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system.
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returned: changed
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type: string
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sample: 192.0.2.*
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banner:
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description: Whether the banner is enabled or not.
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returned: changed
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type: string
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sample: true
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banner_text:
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description: >
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Specifies the text included on the pre-login banner that
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displays when a user attempts to login to the system using SSH.
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returned: changed and success
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type: string
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sample: This is a corporate device. Connecting to it without...
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inactivity_timeout:
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description: >
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The number of seconds before inactivity causes an SSH
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session to log out.
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returned: changed
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type: int
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sample: 10
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log_level:
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description: The minimum SSHD message level to include in the system log.
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returned: changed
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type: string
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sample: debug
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login:
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description: Specifies that the system accepts SSH communications or not.
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returned: changed
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type: bool
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sample: true
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port:
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description: Port that you want the SSH daemon to run on.
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returned: changed
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type: int
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sample: 22
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'''
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from ansible.module_utils.f5_utils import AnsibleF5Client
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from ansible.module_utils.f5_utils import AnsibleF5Parameters
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from ansible.module_utils.f5_utils import HAS_F5SDK
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from ansible.module_utils.f5_utils import F5ModuleError
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try:
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from ansible.module_utils.f5_utils import iControlUnexpectedHTTPError
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except ImportError:
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HAS_F5SDK = False
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class Parameters(AnsibleF5Parameters):
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api_map = {
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'bannerText': 'banner_text',
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'inactivityTimeout': 'inactivity_timeout',
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'logLevel': 'log_level'
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}
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api_attributes = [
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'allow', 'banner', 'bannerText', 'inactivityTimeout', 'logLevel',
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'login', 'port'
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]
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updatables = [
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'allow', 'banner', 'banner_text', 'inactivity_timeout', 'log_level',
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'login', 'port'
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]
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returnables = [
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'allow', 'banner', 'banner_text', 'inactivity_timeout', 'log_level',
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'login', 'port'
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]
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def to_return(self):
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result = {}
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for returnable in self.returnables:
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result[returnable] = getattr(self, returnable)
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result = self._filter_params(result)
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return result
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def api_params(self):
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result = {}
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for api_attribute in self.api_attributes:
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if self.api_map is not None and api_attribute in self.api_map:
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result[api_attribute] = getattr(self, self.api_map[api_attribute])
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else:
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result[api_attribute] = getattr(self, api_attribute)
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result = self._filter_params(result)
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return result
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@property
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def inactivity_timeout(self):
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if self._values['inactivity_timeout'] is None:
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return None
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return int(self._values['inactivity_timeout'])
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@property
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def port(self):
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if self._values['port'] is None:
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return None
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return int(self._values['port'])
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@property
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def allow(self):
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if self._values['allow'] is None:
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return None
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allow = self._values['allow']
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return list(set([str(x) for x in allow]))
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class ModuleManager(object):
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def __init__(self, client):
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self.client = client
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self.have = None
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self.want = Parameters(self.client.module.params)
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self.changes = Parameters()
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def _update_changed_options(self):
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changed = {}
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for key in Parameters.updatables:
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if getattr(self.want, key) is not None:
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attr1 = getattr(self.want, key)
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attr2 = getattr(self.have, key)
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if attr1 != attr2:
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changed[key] = attr1
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if changed:
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self.changes = Parameters(changed)
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return True
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return False
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def exec_module(self):
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result = dict()
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try:
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changed = self.update()
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except iControlUnexpectedHTTPError as e:
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raise F5ModuleError(str(e))
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changes = self.changes.to_return()
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result.update(**changes)
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result.update(dict(changed=changed))
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return result
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def read_current_from_device(self):
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resource = self.client.api.tm.sys.sshd.load()
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result = resource.attrs
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return Parameters(result)
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def update(self):
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self.have = self.read_current_from_device()
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if not self.should_update():
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return False
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if self.client.check_mode:
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return True
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self.update_on_device()
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return True
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def should_update(self):
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result = self._update_changed_options()
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if result:
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return True
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return False
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def update_on_device(self):
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params = self.want.api_params()
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resource = self.client.api.tm.sys.sshd.load()
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resource.update(**params)
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class ArgumentSpec(object):
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def __init__(self):
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self.choices = ['enabled', 'disabled']
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self.levels = [
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'debug', 'debug1', 'debug2', 'debug3', 'error', 'fatal', 'info',
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'quiet', 'verbose'
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]
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self.supports_check_mode = True
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self.argument_spec = dict(
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allow=dict(
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required=False,
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default=None,
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type='list'
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),
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banner=dict(
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required=False,
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default=None,
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choices=self.choices
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),
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banner_text=dict(
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required=False,
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default=None
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),
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inactivity_timeout=dict(
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required=False,
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default=None,
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type='int'
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),
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log_level=dict(
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required=False,
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default=None,
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choices=self.levels
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),
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login=dict(
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required=False,
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default=None,
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choices=self.choices
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),
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port=dict(
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required=False,
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default=None,
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type='int'
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),
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state=dict(
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default='present',
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choices=['present']
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)
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)
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self.f5_product_name = 'bigip'
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def main():
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if not HAS_F5SDK:
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raise F5ModuleError("The python f5-sdk module is required")
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spec = ArgumentSpec()
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client = AnsibleF5Client(
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argument_spec=spec.argument_spec,
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supports_check_mode=spec.supports_check_mode,
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f5_product_name=spec.f5_product_name
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)
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try:
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mm = ModuleManager(client)
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results = mm.exec_module()
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client.module.exit_json(**results)
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except F5ModuleError as e:
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client.module.fail_json(msg=str(e))
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if __name__ == '__main__':
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main()
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