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|
#!/usr/bin/python
#
# 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 = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'network'}
DOCUMENTATION = """
---
module: ios_banner
version_added: "2.3"
author: "Ricardo Carrillo Cruz (@rcarrillocruz)"
short_description: Manage multiline banners on Cisco IOS devices
description:
- This will configure both login and motd banners on remote devices
running Cisco IOS. It allows playbooks to add or remote
banner text from the active running configuration.
extends_documentation_fragment: ios
notes:
- Tested against IOS 15.6
options:
banner:
description:
- Specifies which banner should be configured on the remote device.
In Ansible 2.4 and earlier only I(login) and I(motd) were supported.
required: true
choices: ['login', 'motd', 'exec', 'incoming', 'slip-ppp']
text:
description:
- The banner text that should be
present in the remote device running configuration. This argument
accepts a multiline string, with no empty lines. Requires I(state=present).
state:
description:
- Specifies whether or not the configuration is
present in the current devices active running configuration.
default: present
choices: ['present', 'absent']
"""
EXAMPLES = """
- name: configure the login banner
ios_banner:
banner: login
text: |
this is my login banner
that contains a multiline
string
state: present
- name: remove the motd banner
ios_banner:
banner: motd
state: absent
- name: Configure banner from file
ios_banner:
banner: motd
text: "{{ lookup('file', './config_partial/raw_banner.cfg') }}"
state: present
"""
RETURN = """
commands:
description: The list of configuration mode commands to send to the device
returned: always
type: list
sample:
- banner login
- this is my login banner
- that contains a multiline
- string
"""
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.connection import exec_command
from ansible.module_utils.network.ios.ios import load_config, run_commands
from ansible.module_utils.network.ios.ios import ios_argument_spec, check_args
import re
def map_obj_to_commands(updates, module):
commands = list()
want, have = updates
state = module.params['state']
if state == 'absent' and 'text' in have.keys() and have['text']:
commands.append('no banner %s' % module.params['banner'])
elif state == 'present':
if want['text'] and (want['text'] != have.get('text')):
banner_cmd = 'banner %s' % module.params['banner']
banner_cmd += ' @\n'
banner_cmd += want['text'].strip()
banner_cmd += '\n@'
commands.append(banner_cmd)
return commands
def map_config_to_obj(module):
rc, out, err = exec_command(module, 'show banner %s' % module.params['banner'])
if rc == 0:
output = out
else:
rc, out, err = exec_command(module,
'show running-config | begin banner %s'
% module.params['banner'])
if out:
output = re.search(r'\^C(.*)\^C', out, re.S).group(1).strip()
else:
output = None
obj = {'banner': module.params['banner'], 'state': 'absent'}
if output:
obj['text'] = output
obj['state'] = 'present'
return obj
def map_params_to_obj(module):
text = module.params['text']
if text:
text = str(text).strip()
return {
'banner': module.params['banner'],
'text': text,
'state': module.params['state']
}
def main():
""" main entry point for module execution
"""
argument_spec = dict(
banner=dict(required=True, choices=['login', 'motd', 'exec', 'incoming', 'slip-ppp']),
text=dict(),
state=dict(default='present', choices=['present', 'absent'])
)
argument_spec.update(ios_argument_spec)
required_if = [('state', 'present', ('text',))]
module = AnsibleModule(argument_spec=argument_spec,
required_if=required_if,
supports_check_mode=True)
warnings = list()
check_args(module, warnings)
result = {'changed': False}
if warnings:
result['warnings'] = warnings
want = map_params_to_obj(module)
have = map_config_to_obj(module)
commands = map_obj_to_commands((want, have), module)
result['commands'] = commands
if commands:
if not module.check_mode:
response = load_config(module, commands)
result['changed'] = True
module.exit_json(**result)
if __name__ == '__main__':
main()
|
