community.general/lib/ansible/modules/network/nxos/nxos_overlay_global.py
Peter Sprygada 21d993a4b8 refactors nxos module to use persistent connections (#21470)
This completes the refactor of the nxos modules to use the persistent
connection.  It also updates all of the nxos modules to use the
new connection module and preserves use of nxapi as well.
2017-02-15 11:43:09 -05:00

265 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()