298 lines
9.1 KiB
Python
298 lines
9.1 KiB
Python
#!/usr/bin/python
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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ANSIBLE_METADATA = {'metadata_version': '1.0',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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---
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module: nxos_vrf_af
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extends_documentation_fragment: nxos
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version_added: "2.2"
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short_description: Manages VRF AF.
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description:
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- Manages VRF AF
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author: Gabriele Gerbino (@GGabriele)
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notes:
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- Default, where supported, restores params default value.
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options:
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vrf:
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description:
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- Name of the VRF.
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required: true
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afi:
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description:
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- Address-Family Identifier (AFI).
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required: true
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choices: ['ipv4', 'ipv6']
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default: null
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safi:
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description:
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- Sub Address-Family Identifier (SAFI).
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required: true
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choices: ['unicast', 'multicast']
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default: null
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route_target_both_auto_evpn:
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description:
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- Enable/Disable the EVPN route-target 'auto' setting for both
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import and export target communities.
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required: false
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choices: ['true', 'false']
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default: null
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state:
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description:
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- Determines whether the config should be present or
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not on the device.
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required: false
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default: present
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choices: ['present','absent']
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'''
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EXAMPLES = '''
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- nxos_vrf_af:
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interface: nve1
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vni: 6000
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ingress_replication: true
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username: "{{ un }}"
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password: "{{ pwd }}"
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host: "{{ inventory_hostname }}"
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'''
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RETURN = '''
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proposed:
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description: k/v pairs of parameters passed into module
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returned: verbose mode
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type: dict
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sample: {"afi": "ipv4", "route_target_both_auto_evpn": true,
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"safi": "unicast", "vrf": "test"}
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existing:
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description: k/v pairs of existing configuration
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returned: verbose mode
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type: dict
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sample: {"afi": "ipv4", "route_target_both_auto_evpn": false,
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"safi": "unicast", "vrf": "test"}
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end_state:
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description: k/v pairs of configuration after module execution
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returned: verbose mode
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type: dict
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sample: {"afi": "ipv4", "route_target_both_auto_evpn": true,
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"safi": "unicast", "vrf": "test"}
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updates:
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description: commands sent to the device
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returned: always
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type: list
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sample: ["vrf context test", "address-family ipv4 unicast",
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"route-target both auto evpn"]
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changed:
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description: check to see if a change was made on the device
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returned: always
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type: boolean
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sample: true
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'''
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import re
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from ansible.module_utils.nxos import get_config, load_config, run_commands
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from ansible.module_utils.nxos import nxos_argument_spec, check_args
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.netcfg import CustomNetworkConfig
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BOOL_PARAMS = ['route_target_both_auto_evpn']
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PARAM_TO_COMMAND_KEYMAP = {
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'route_target_both_auto_evpn': 'route-target both auto evpn',
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}
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PARAM_TO_DEFAULT_KEYMAP = {}
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WARNINGS = []
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def invoke(name, *args, **kwargs):
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func = globals().get(name)
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if func:
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return func(*args, **kwargs)
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def get_value(arg, config, module):
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if arg in BOOL_PARAMS:
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REGEX = re.compile(r'\s+{0}\s*$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M)
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value = False
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try:
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if REGEX.search(config):
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value = True
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except TypeError:
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value = False
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else:
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REGEX = re.compile(r'(?:{0}\s)(?P<value>.*)$'.format(PARAM_TO_COMMAND_KEYMAP[arg]), re.M)
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value = ''
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if PARAM_TO_COMMAND_KEYMAP[arg] in config:
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value = REGEX.search(config).group('value')
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return value
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def get_existing(module, args):
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existing = {}
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netcfg = get_config(module)
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parents = ['vrf context {0}'.format(module.params['vrf'])]
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parents.append('address-family {0} {1}'.format(module.params['afi'],
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module.params['safi']))
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config = netcfg.get_section(parents)
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if config:
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splitted_config = config.splitlines()
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vrf_index = False
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for index in range(0, len(splitted_config) - 1):
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if 'vrf' in splitted_config[index].strip():
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vrf_index = index
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break
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if vrf_index:
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config = '\n'.join(splitted_config[0:vrf_index])
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for arg in args:
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if arg not in ['afi', 'safi', 'vrf']:
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existing[arg] = get_value(arg, config, module)
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existing['afi'] = module.params['afi']
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existing['safi'] = module.params['safi']
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existing['vrf'] = module.params['vrf']
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return existing
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def apply_key_map(key_map, table):
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new_dict = {}
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for key, value in table.items():
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new_key = key_map.get(key)
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if new_key:
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value = table.get(key)
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if value:
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new_dict[new_key] = value
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else:
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new_dict[new_key] = value
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return new_dict
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def state_present(module, existing, proposed, candidate):
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commands = list()
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proposed_commands = apply_key_map(PARAM_TO_COMMAND_KEYMAP, proposed)
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existing_commands = apply_key_map(PARAM_TO_COMMAND_KEYMAP, existing)
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for key, value in proposed_commands.items():
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if value is True:
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commands.append(key)
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elif value is False:
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commands.append('no {0}'.format(key))
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elif value == 'default':
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if existing_commands.get(key):
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existing_value = existing_commands.get(key)
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commands.append('no {0} {1}'.format(key, existing_value))
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else:
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command = '{0} {1}'.format(key, value.lower())
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commands.append(command)
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if commands:
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parents = ['vrf context {0}'.format(module.params['vrf'])]
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parents.append('address-family {0} {1}'.format(module.params['afi'],
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module.params['safi']))
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candidate.add(commands, parents=parents)
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def state_absent(module, existing, proposed, candidate):
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commands = []
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parents = ['vrf context {0}'.format(module.params['vrf'])]
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commands.append('no address-family {0} {1}'.format(module.params['afi'],
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module.params['safi']))
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candidate.add(commands, parents=parents)
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def main():
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argument_spec = dict(
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vrf=dict(required=True, type='str'),
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safi=dict(required=True, type='str', choices=['unicast','multicast']),
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afi=dict(required=True, type='str', choices=['ipv4','ipv6']),
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route_target_both_auto_evpn=dict(required=False, type='bool'),
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m_facts=dict(required=False, default=False, type='bool'),
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state=dict(choices=['present', 'absent'], default='present',
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required=False),
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include_defaults=dict(default=False),
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config=dict(),
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save=dict(type='bool', default=False)
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)
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argument_spec.update(nxos_argument_spec)
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module = AnsibleModule(argument_spec=argument_spec,
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supports_check_mode=True)
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warnings = list()
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check_args(module, warnings)
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state = module.params['state']
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args = [
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'vrf',
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'safi',
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'afi',
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'route_target_both_auto_evpn'
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]
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existing = invoke('get_existing', module, args)
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end_state = existing
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proposed_args = dict((k, v) for k, v in module.params.items()
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if v is not None and k in args)
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proposed = {}
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for key, value in proposed_args.items():
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if key != 'interface':
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if str(value).lower() == 'default':
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value = PARAM_TO_DEFAULT_KEYMAP.get(key)
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if value is None:
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value = 'default'
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if existing.get(key) or (not existing.get(key) and value):
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proposed[key] = value
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result = {}
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if state == 'present' or (state == 'absent' and existing):
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candidate = CustomNetworkConfig(indent=3)
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invoke('state_%s' % state, module, existing, proposed, candidate)
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try:
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response = load_config(module, candidate)
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result.update(response)
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except ShellError:
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exc = get_exception()
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module.fail_json(msg=str(exc))
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else:
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result['updates'] = []
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if module._verbosity > 0:
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end_state = invoke('get_existing', module, args)
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result['end_state'] = end_state
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result['existing'] = existing
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result['proposed'] = proposed_args
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if WARNINGS:
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result['warnings'] = WARNINGS
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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