community.general/lib/ansible/modules/network/nxos/nxos_overlay_global.py

266 lines
8.6 KiB
Python

#!/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_overlay_global
version_added: "2.2"
short_description: Configures anycast gateway MAC of the switch.
description:
- Configures anycast gateway MAC of the switch.
author: Gabriele Gerbino (@GGabriele)
notes:
- Default restores params default value
- Supported MAC address format are "E.E.E", "EE-EE-EE-EE-EE-EE",
"EE:EE:EE:EE:EE:EE" and "EEEE.EEEE.EEEE"
options:
anycast_gateway_mac:
description:
- Anycast gateway mac of the switch.
required: true
default: null
'''
EXAMPLES = '''
- nxos_overlay_global:
anycast_gateway_mac: "b.b.b"
username: "{{ un }}"
password: "{{ pwd }}"
host: "{{ inventory_hostname }}"
'''
RETURN = '''
proposed:
description: k/v pairs of parameters passed into module
returned: verbose mode
type: dict
sample: {"asn": "65535", "router_id": "1.1.1.1", "vrf": "test"}
existing:
description: k/v pairs of existing BGP configuration
returned: verbose mode
type: dict
sample: {"asn": "65535", "bestpath_always_compare_med": false,
"bestpath_aspath_multipath_relax": false,
"bestpath_compare_neighborid": false,
"bestpath_compare_routerid": false,
"bestpath_cost_community_ignore": false,
"bestpath_med_confed": false,
"bestpath_med_missing_as_worst": false,
"bestpath_med_non_deterministic": false, "cluster_id": "",
"confederation_id": "", "confederation_peers": "",
"graceful_restart": true, "graceful_restart_helper": false,
"graceful_restart_timers_restart": "120",
"graceful_restart_timers_stalepath_time": "300", "local_as": "",
"log_neighbor_changes": false, "maxas_limit": "",
"neighbor_down_fib_accelerate": false, "reconnect_interval": "60",
"router_id": "11.11.11.11", "suppress_fib_pending": false,
"timer_bestpath_limit": "", "timer_bgp_hold": "180",
"timer_bgp_keepalive": "60", "vrf": "test"}
end_state:
description: k/v pairs of BGP configuration after module execution
returned: verbose mode
type: dict
sample: {"asn": "65535", "bestpath_always_compare_med": false,
"bestpath_aspath_multipath_relax": false,
"bestpath_compare_neighborid": false,
"bestpath_compare_routerid": false,
"bestpath_cost_community_ignore": false,
"bestpath_med_confed": false,
"bestpath_med_missing_as_worst": false,
"bestpath_med_non_deterministic": false, "cluster_id": "",
"confederation_id": "", "confederation_peers": "",
"graceful_restart": true, "graceful_restart_helper": false,
"graceful_restart_timers_restart": "120",
"graceful_restart_timers_stalepath_time": "300", "local_as": "",
"log_neighbor_changes": false, "maxas_limit": "",
"neighbor_down_fib_accelerate": false, "reconnect_interval": "60",
"router_id": "1.1.1.1", "suppress_fib_pending": false,
"timer_bestpath_limit": "", "timer_bgp_hold": "180",
"timer_bgp_keepalive": "60", "vrf": "test"}
updates:
description: commands sent to the device
returned: always
type: list
sample: ["router bgp 65535", "vrf test", "router-id 1.1.1.1"]
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 get_config, load_config
from ansible.module_utils.nxos import nxos_argument_spec, check_args
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.netcfg import CustomNetworkConfig
PARAM_TO_COMMAND_KEYMAP = {
'anycast_gateway_mac': 'fabric forwarding anycast-gateway-mac',
}
def invoke(name, *args, **kwargs):
func = globals().get(name)
if func:
return func(*args, **kwargs)
def get_value(arg, config, module):
REGEX = re.compile(r'(?:{0}\s)(?P<value>.*)$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M)
value = ''
if PARAM_TO_COMMAND_KEYMAP[arg] in config:
value = REGEX.search(config).group('value')
return value
def get_existing(module, args):
existing = {}
config = str(get_config(module))
for arg in args:
existing[arg] = get_value(arg, config, module)
return existing
def apply_key_map(key_map, table):
new_dict = {}
for key, value in table.items():
new_key = key_map.get(key)
if new_key:
value = table.get(key)
if value:
new_dict[new_key] = value
else:
new_dict[new_key] = value
return new_dict
def get_commands(module, existing, proposed, candidate):
commands = list()
proposed_commands = apply_key_map(PARAM_TO_COMMAND_KEYMAP, proposed)
existing_commands = apply_key_map(PARAM_TO_COMMAND_KEYMAP, existing)
for key, value in proposed_commands.items():
if value == 'default':
existing_value = existing_commands.get(key)
if existing_value:
commands.append('no {0} {1}'.format(key, existing_value))
else:
if 'anycast-gateway-mac' in key:
value = normalize_mac(value, module)
command = '{0} {1}'.format(key, value)
commands.append(command)
if commands:
candidate.add(commands, parents=[])
def normalize_mac(proposed_mac, module):
try:
if '-' in proposed_mac:
splitted_mac = proposed_mac.split('-')
if len(splitted_mac) != 6:
raise ValueError
for octect in splitted_mac:
if len(octect) != 2:
raise ValueError
elif '.' in proposed_mac:
splitted_mac = []
splitted_dot_mac = proposed_mac.split('.')
if len(splitted_dot_mac) != 3:
raise ValueError
for octect in splitted_dot_mac:
if len(octect) > 4:
raise ValueError
else:
octect_len = len(octect)
padding = 4 - octect_len
splitted_mac.append(octect.zfill(padding+1))
elif ':' in proposed_mac:
splitted_mac = proposed_mac.split(':')
if len(splitted_mac) != 6:
raise ValueError
for octect in splitted_mac:
if len(octect) != 2:
raise ValueError
else:
raise ValueError
except ValueError:
module.fail_json(msg='Invalid MAC address format',
proposed_mac=proposed_mac)
joined_mac = ''.join(splitted_mac)
mac = [joined_mac[i:i+4] for i in range(0, len(joined_mac), 4)]
return '.'.join(mac).upper()
def main():
argument_spec = dict(
anycast_gateway_mac=dict(required=True, type='str'),
m_facts=dict(required=False, default=False, type='bool'),
)
argument_spec.update(nxos_argument_spec)
module = AnsibleModule(argument_spec=argument_spec,
supports_check_mode=True)
warnings = list()
check_args(module, warnings)
args = [
'anycast_gateway_mac'
]
existing = invoke('get_existing', module, args)
end_state = existing
proposed = dict((k, v) for k, v in module.params.items()
if v is not None and k in args)
result = {}
candidate = CustomNetworkConfig(indent=3)
invoke('get_commands', module, existing, proposed, candidate)
if not module.check_mode:
load_config(module, candidate)
if module._verbosity > 0:
end_state = invoke('get_existing', module, args)
result['end_state'] = end_state
result['existing'] = existing
result['proposed'] = proposed
result['warnings'] = True
module.exit_json(**result)
if __name__ == '__main__':
main()