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|
#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2017, Ansible by Red Hat, 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': '1.0',
'status': ['preview'],
'supported_by': 'core'}
DOCUMENTATION = """
---
module: iosxr_banner
version_added: "2.4"
author: "Trishna Guha (@trishnag)"
short_description: Manage multiline banners on Cisco IOS XR devices
description:
- This will configure both exec and motd banners on remote devices
running Cisco IOS XR. It allows playbooks to add or remote
banner text from the active running configuration.
options:
banner:
description:
- Specifies which banner that should be
configured on the remote device.
required: true
default: null
choices: ['login', 'motd']
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).
default: null
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
iosxr_banner:
banner: login
text: |
this is my login banner
that contains a multiline
string
state: present
- name: remove the motd banner
iosxr_banner:
banner: motd
state: absent
- name: Configure banner from file
iosxr_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
"""
import re
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.iosxr import get_config, load_config
from ansible.module_utils.iosxr import iosxr_argument_spec, check_args
def map_obj_to_commands(updates, module):
commands = list()
want, have = updates
state = module.params['state']
if state == 'absent':
if have.get('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'].encode().decode('unicode_escape').strip("'") != have.get('text')):
banner_cmd = 'banner %s ' % module.params['banner']
banner_cmd += want['text'].strip()
commands.append(banner_cmd)
return commands
def map_config_to_obj(module):
flags = 'banner %s' % module.params['banner']
output = get_config(module, flags=[flags])
match = re.search(r'banner (\S+) (.*)', output, re.DOTALL)
if match:
text = match.group(2).strip("'")
else:
text = None
obj = {'banner': module.params['banner'], 'state': 'absent'}
if output:
obj['text'] = text
obj['state'] = 'present'
return obj
def map_params_to_obj(module):
text = module.params['text']
if text:
text = "%r" % (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']),
text=dict(),
state=dict(default='present', choices=['present', 'absent'])
)
argument_spec.update(iosxr_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}
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:
load_config(module, commands, result['warnings'], commit=True)
result['changed'] = True
module.exit_json(**result)
if __name__ == '__main__':
main()
|
