Merge pull request #2775 from caphrim007/new-module-bigip-device-sshd
Addition of bigip_device_sshd module
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John R Barker
GitHub
commit
eda7c1b7fd
1 changed files with 344 additions and 0 deletions
344
network/f5/bigip_device_sshd.py
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344
network/f5/bigip_device_sshd.py
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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DOCUMENTATION = '''
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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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required: false
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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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required: false
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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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required: false
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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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required: false
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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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required: false
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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 = '''
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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 = '''
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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: list
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sample: "192.168.*.*"
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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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return: 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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return: changed
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type: int
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sample: 22
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'''
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try:
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from f5.bigip import ManagementRoot
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from icontrol.session import iControlUnexpectedHTTPError
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HAS_F5SDK = True
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except ImportError:
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HAS_F5SDK = False
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CHOICES = ['enabled', 'disabled']
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LEVELS = ['debug', 'debug1', 'debug2', 'debug3', 'error', 'fatal', 'info',
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'quiet', 'verbose']
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class BigIpDeviceSshd(object):
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def __init__(self, *args, **kwargs):
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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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# The params that change in the module
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self.cparams = dict()
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# Stores the params that are sent to the module
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self.params = kwargs
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self.api = ManagementRoot(kwargs['server'],
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kwargs['user'],
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kwargs['password'],
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port=kwargs['server_port'])
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def update(self):
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changed = False
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current = self.read()
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params = dict()
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allow = self.params['allow']
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banner = self.params['banner']
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banner_text = self.params['banner_text']
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timeout = self.params['inactivity_timeout']
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log_level = self.params['log_level']
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login = self.params['login']
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port = self.params['port']
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check_mode = self.params['check_mode']
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if allow:
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if 'allow' in current:
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items = set(allow)
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if items != current['allow']:
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params['allow'] = list(items)
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else:
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params['allow'] = allow
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if banner:
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if 'banner' in current:
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if banner != current['banner']:
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params['banner'] = banner
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else:
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params['banner'] = banner
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if banner_text:
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if 'banner_text' in current:
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if banner_text != current['banner_text']:
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params['bannerText'] = banner_text
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else:
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params['bannerText'] = banner_text
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if timeout:
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if 'inactivity_timeout' in current:
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if timeout != current['inactivity_timeout']:
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params['inactivityTimeout'] = timeout
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else:
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params['inactivityTimeout'] = timeout
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if log_level:
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if 'log_level' in current:
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if log_level != current['log_level']:
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params['logLevel'] = log_level
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else:
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params['logLevel'] = log_level
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if login:
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if 'login' in current:
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if login != current['login']:
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params['login'] = login
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else:
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params['login'] = login
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if port:
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if 'port' in current:
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if port != current['port']:
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params['port'] = port
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else:
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params['port'] = port
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if params:
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changed = True
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if check_mode:
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return changed
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self.cparams = camel_dict_to_snake_dict(params)
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else:
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return changed
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r = self.api.tm.sys.sshd.load()
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r.update(**params)
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r.refresh()
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return changed
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def read(self):
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"""Read information and transform it
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The values that are returned by BIG-IP in the f5-sdk can have encoding
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attached to them as well as be completely missing in some cases.
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Therefore, this method will transform the data from the BIG-IP into a
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format that is more easily consumable by the rest of the class and the
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parameters that are supported by the module.
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"""
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p = dict()
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r = self.api.tm.sys.sshd.load()
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if hasattr(r, 'allow'):
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# Deliberately using sets to supress duplicates
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p['allow'] = set([str(x) for x in r.allow])
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if hasattr(r, 'banner'):
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p['banner'] = str(r.banner)
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if hasattr(r, 'bannerText'):
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p['banner_text'] = str(r.bannerText)
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if hasattr(r, 'inactivityTimeout'):
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p['inactivity_timeout'] = str(r.inactivityTimeout)
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if hasattr(r, 'logLevel'):
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p['log_level'] = str(r.logLevel)
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if hasattr(r, 'login'):
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p['login'] = str(r.login)
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if hasattr(r, 'port'):
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p['port'] = int(r.port)
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return p
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def flush(self):
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result = dict()
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changed = False
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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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result.update(**self.cparams)
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result.update(dict(changed=changed))
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return result
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def main():
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argument_spec = f5_argument_spec()
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meta_args = dict(
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allow=dict(required=False, default=None, type='list'),
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banner=dict(required=False, default=None, choices=CHOICES),
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banner_text=dict(required=False, default=None),
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inactivity_timeout=dict(required=False, default=None, type='int'),
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log_level=dict(required=False, default=None, choices=LEVELS),
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login=dict(required=False, default=None, choices=CHOICES),
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port=dict(required=False, default=None, type='int'),
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state=dict(default='present', choices=['present'])
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)
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argument_spec.update(meta_args)
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module = AnsibleModule(
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argument_spec=argument_spec,
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supports_check_mode=True
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)
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try:
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obj = BigIpDeviceSshd(check_mode=module.check_mode, **module.params)
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result = obj.flush()
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module.exit_json(**result)
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except F5ModuleError as e:
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module.fail_json(msg=str(e))
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from ansible.module_utils.basic import *
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from ansible.module_utils.ec2 import camel_dict_to_snake_dict
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from ansible.module_utils.f5 import *
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if __name__ == '__main__':
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main()
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