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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 = {'status': ['preview'],
'supported_by': 'community',
'version': '1.0'}
DOCUMENTATION = '''
---
module: nxos_aaa_server_host
extends_documentation_fragment: nxos
version_added: "2.2"
short_description: Manages AAA server host-specific configuration.
description:
- Manages AAA server host-specific configuration.
author: Jason Edelman (@jedelman8)
notes:
- Changes to the AAA server host key (shared secret) are not idempotent.
- If C(state=absent) removes the whole host configuration.
options:
server_type:
description:
- The server type is either radius or tacacs.
required: true
choices: ['radius', 'tacacs']
address:
description:
- Address or name of the radius or tacacs host.
required: true
key:
description:
- Shared secret for the specified host.
required: false
default: null
encrypt_type:
description:
- The state of encryption applied to the entered key.
O for clear text, 7 for encrypted. Type-6 encryption is
not supported.
required: false
default: null
choices: ['0', '7']
host_timeout:
description:
- Timeout period for specified host, in seconds. Range is 1-60.
required: false
default: null
auth_port:
description:
- Alternate UDP port for RADIUS authentication.
required: false
default: null
acct_port:
description:
- Alternate UDP port for RADIUS accounting.
required: false
default: null
tacacs_port:
description:
- Alternate TCP port TACACS Server.
required: false
default: null
state:
description:
- Manage the state of the resource.
required: false
default: present
choices: ['present','absent']
'''
EXAMPLES = '''
# Radius Server Host Basic settings
- name: "Radius Server Host Basic settings"
nxos_aaa_server_host:
state: present
server_type: radius
address: 1.2.3.4
acct_port: 2084
host_timeout: 10
host: "{{ inventory_hostname }}"
username: "{{ un }}"
password: "{{ pwd }}"
# Radius Server Host Key Configuration
- name: "Radius Server Host Key Configuration"
nxos_aaa_server_host:
state: present
server_type: radius
address: 1.2.3.4
key: hello
encrypt_type: 7
host: inventory_hostname }}
username: "{{ un }}"
password: "{{ pwd }}"
# TACACS Server Host Configuration
- name: "Tacacs Server Host Configuration"
nxos_aaa_server_host:
state: present
server_type: tacacs
tacacs_port: 89
host_timeout: 10
address: 5.6.7.8
host: inventory_hostname }}
username: un }}
password: pwd }}
'''
RETURN = '''
proposed:
description: k/v pairs of parameters passed into module
returned: always
type: dict
sample: {"address": "1.2.3.4", "auth_port": "2084",
"host_timeout": "10", "server_type": "radius"}
existing:
description:
- k/v pairs of existing configuration
type: dict
sample: {}
end_state:
description: k/v pairs of configuration after module execution
returned: always
type: dict
sample: {"address": "1.2.3.4", "auth_port": "2084",
"host_timeout": "10", "server_type": "radius"}
updates:
description: command sent to the device
returned: always
type: list
sample: ["radius-server host 1.2.3.4 auth-port 2084 timeout 10"]
changed:
description: check to see if a change was made on the device
returned: always
type: boolean
sample: true
'''
import re
from ansible.module_utils.nxos import load_config, run_commands
from ansible.module_utils.nxos import nxos_argument_spec, check_args
from ansible.module_utils.basic import AnsibleModule
def execute_show_command(command, module, command_type='cli_show'):
if module.params['transport'] == 'cli':
if 'show run' not in command:
command += ' | json'
cmds = [command]
body = run_commands(module, cmds)
elif module.params['transport'] == 'nxapi':
cmds = [command]
body = run_commands(module, cmds)
return body
def flatten_list(command_lists):
flat_command_list = []
for command in command_lists:
if isinstance(command, list):
flat_command_list.extend(command)
else:
flat_command_list.append(command)
return flat_command_list
def _match_dict(match_list, key_map):
no_blanks = []
match_dict = {}
for match_set in match_list:
match_set = tuple(v for v in match_set if v)
no_blanks.append(match_set)
for info in no_blanks:
words = info[0].strip().split()
length = len(words)
alt_key = key_map.get(words[0])
first = alt_key or words[0]
last = words[length - 1]
match_dict[first] = last.replace('\"', '')
return match_dict
def get_aaa_host_info(module, server_type, address):
aaa_host_info = {}
command = 'show run | inc {0}-server.host.{1}'.format(server_type, address)
body = execute_show_command(command, module, command_type='cli_show_ascii')
if body:
try:
pattern = ('(acct-port \d+)|(timeout \d+)|(auth-port \d+)|'
'(key 7 "\w+")|( port \d+)')
raw_match = re.findall(pattern, body[0])
aaa_host_info = _match_dict(raw_match, {'acct-port': 'acct_port',
'auth-port': 'auth_port',
'port': 'tacacs_port',
'timeout': 'host_timeout'})
if aaa_host_info:
aaa_host_info['server_type'] = server_type
aaa_host_info['address'] = address
except TypeError:
return {}
else:
return {}
return aaa_host_info
def config_aaa_host(server_type, address, params, clear=False):
cmds = []
if clear:
cmds.append('no {0}-server host {1}'.format(server_type, address))
cmd_str = '{0}-server host {1}'.format(server_type, address)
key = params.get('key')
enc_type = params.get('encrypt_type', '')
host_timeout = params.get('host_timeout')
auth_port = params.get('auth_port')
acct_port = params.get('acct_port')
port = params.get('tacacs_port')
if auth_port:
cmd_str += ' auth-port {0}'.format(auth_port)
if acct_port:
cmd_str += ' acct-port {0}'.format(acct_port)
if port:
cmd_str += ' port {0}'.format(port)
if host_timeout:
cmd_str += ' timeout {0}'.format(host_timeout)
if key:
cmds.append('{0}-server host {1} key {2} {3}'.format(server_type,
address,
enc_type, key))
cmds.append(cmd_str)
return cmds
def main():
argument_spec = dict(
server_type=dict(choices=['radius', 'tacacs'], required=True),
address=dict(type='str', required=True),
key=dict(type='str'),
encrypt_type=dict(type='str', choices=['0', '7']),
host_timeout=dict(type='str'),
auth_port=dict(type='str'),
acct_port=dict(type='str'),
tacacs_port=dict(type='str'),
state=dict(choices=['absent', 'present'], default='present'),
)
argument_spec.update(nxos_argument_spec)
module = AnsibleModule(argument_spec=argument_spec,
supports_check_mode=True)
warnings = list()
check_args(module, warnings)
server_type = module.params['server_type']
address = module.params['address']
key = module.params['key']
encrypt_type = module.params['encrypt_type']
host_timeout = module.params['host_timeout']
auth_port = module.params['auth_port']
acct_port = module.params['acct_port']
tacacs_port = module.params['tacacs_port']
state = module.params['state']
args = dict(server_type=server_type, address=address, key=key,
encrypt_type=encrypt_type, host_timeout=host_timeout,
auth_port=auth_port, acct_port=acct_port,
tacacs_port=tacacs_port)
proposed = dict((k, v) for k, v in args.items() if v is not None)
changed = False
if encrypt_type and not key:
module.fail_json(msg='encrypt_type must be used with key')
if tacacs_port and server_type != 'tacacs':
module.fail_json(
msg='tacacs_port can only be used with server_type=tacacs')
if (auth_port or acct_port) and server_type != 'radius':
module.fail_json(msg='auth_port and acct_port can only be used'
'when server_type=radius')
existing = get_aaa_host_info(module, server_type, address)
end_state = existing
commands = []
if state == 'present':
host_timeout = proposed.get('host_timeout')
if host_timeout:
try:
if int(host_timeout) < 1 or int(host_timeout) > 60:
raise ValueError
except ValueError:
module.fail_json(
msg='host_timeout must be an integer between 1 and 60')
delta = dict(
set(proposed.items()).difference(existing.items()))
if delta:
union = existing.copy()
union.update(delta)
command = config_aaa_host(server_type, address, union)
if command:
commands.append(command)
elif state == 'absent':
intersect = dict(
set(proposed.items()).intersection(existing.items()))
if intersect.get('address') and intersect.get('server_type'):
command = 'no {0}-server host {1}'.format(
intersect.get('server_type'), intersect.get('address'))
commands.append(command)
cmds = flatten_list(commands)
if cmds:
if module.check_mode:
module.exit_json(changed=True, commands=cmds)
else:
changed = True
load_config(module, cmds)
end_state = get_aaa_host_info(module, server_type, address)
results = {}
results['proposed'] = proposed
results['existing'] = existing
results['updates'] = cmds
results['changed'] = changed
results['warnings'] = warnings
results['end_state'] = end_state
module.exit_json(**results)
if __name__ == '__main__':
main()
|