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Lenovo cnos static route (#53736)
* Adding new module to Ansible viz. cnos_static_route.
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lib/ansible/modules/network/cnos/cnos_static_route.py
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lib/ansible/modules/network/cnos/cnos_static_route.py
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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#
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# Copyright (C) 2019 Lenovo, Inc.
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# (c) 2017, Ansible by Red Hat, inc
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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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# Module to work on Link Aggregation with Lenovo Switches
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# Lenovo Networking
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#
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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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: cnos_static_route
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version_added: "2.8"
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author: "Anil Kumar Muraleedharan (@amuraleedhar)"
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short_description: Manage static IP routes on Lenovo CNOS network devices
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description:
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- This module provides declarative management of static
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IP routes on Lenovo CNOS network devices.
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notes:
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- Tested against CNOS 10.10.1
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options:
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prefix:
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description:
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- Network prefix of the static route.
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mask:
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description:
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- Network prefix mask of the static route.
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next_hop:
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description:
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- Next hop IP of the static route.
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interface:
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description:
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- Interface of the static route.
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description:
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description:
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- Name of the static route
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aliases: ['description']
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admin_distance:
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description:
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- Admin distance of the static route.
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default: 1
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tag:
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description:
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- Set tag of the static route.
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aggregate:
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description: List of static route definitions.
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state:
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description:
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- State of the static route configuration.
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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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- name: configure static route
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cnos_static_route:
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prefix: 10.241.107.0
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mask: 255.255.255.0
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next_hop: 10.241.106.1
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- name: configure ultimate route with name and tag
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cnos_static_route:
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prefix: 10.241.107.0
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mask: 255.255.255.0
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interface: Ethernet1/13
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description: hello world
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tag: 100
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- name: remove configuration
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cnos_static_route:
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prefix: 10.241.107.0
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mask: 255.255.255.0
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next_hop: 10.241.106.0
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state: absent
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- name: Add static route aggregates
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cnos_static_route:
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aggregate:
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- { prefix: 10.241.107.0, mask: 255.255.255.0, next_hop: 10.241.105.0 }
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- { prefix: 10.241.106.0, mask: 255.255.255.0, next_hop: 10.241.104.0 }
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- name: Remove static route aggregates
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cnos_static_route:
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aggregate:
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- { prefix: 10.241.107.0, mask: 255.255.255.0, next_hop: 10.241.105.0 }
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- { prefix: 10.241.106.0, mask: 255.255.255.0, next_hop: 10.241.104.0 }
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state: absent
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"""
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RETURN = """
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commands:
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description: The list of configuration mode commands to send to the device
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returned: always
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type: list
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sample:
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- ip route 10.241.107.0 255.255.255.0 10.241.106.0
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"""
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from copy import deepcopy
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from re import findall
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from ansible.module_utils.compat import ipaddress
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.network.common.utils import validate_ip_address
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from ansible.module_utils.network.common.utils import remove_default_spec
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from ansible.module_utils.network.cnos.cnos import get_config, load_config
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from ansible.module_utils.network.cnos.cnos import check_args
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from ansible.module_utils.network.cnos.cnos import cnos_argument_spec
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def map_obj_to_commands(want, have):
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commands = list()
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for w in want:
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state = w['state']
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command = 'ip route'
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prefix = w['prefix']
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mask = w['mask']
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command = ' '.join((command, prefix, mask))
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for key in ['interface', 'next_hop', 'admin_distance', 'tag',
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'description']:
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if w.get(key):
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if key == 'description' and len(w.get(key).split()) > 1:
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# name with multiple words needs to be quoted
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command = ' '.join((command, key, '"%s"' % w.get(key)))
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elif key in ('description', 'tag'):
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command = ' '.join((command, key, w.get(key)))
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else:
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command = ' '.join((command, w.get(key)))
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if state == 'absent':
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commands.append('no %s' % command)
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elif state == 'present':
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commands.append(command)
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return commands
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def map_config_to_obj(module):
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obj = []
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out = get_config(module, flags='| include ip route')
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for line in out.splitlines():
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# Split by whitespace but do not split quotes, needed for description
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splitted_line = findall(r'[^"\s]\S*|".+?"', line)
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route = {}
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prefix_with_mask = splitted_line[2]
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prefix = None
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mask = None
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iface = None
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nhop = None
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if validate_ip_address(prefix_with_mask) is True:
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my_net = ipaddress.ip_network(prefix_with_mask)
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prefix = str(my_net.network_address)
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mask = str(my_net.netmask)
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route.update({'prefix': prefix,
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'mask': mask, 'admin_distance': '1'})
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if splitted_line[3] is not None:
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if validate_ip_address(splitted_line[3]) is False:
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iface = str(splitted_line[3])
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route.update(interface=iface)
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if validate_ip_address(splitted_line[4]) is True:
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nhop = str(splitted_line[4])
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route.update(next_hop=nhop)
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if splitted_line[5].isdigit():
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route.update(admin_distance=str(splitted_line[5]))
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elif splitted_line[4].isdigit():
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route.update(admin_distance=str(splitted_line[4]))
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else:
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if splitted_line[6] is not None and splitted_line[6].isdigit():
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route.update(admin_distance=str(splitted_line[6]))
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else:
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nhop = str(splitted_line[3])
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route.update(next_hop=nhop)
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if splitted_line[4].isdigit():
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route.update(admin_distance=str(splitted_line[4]))
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index = 0
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for word in splitted_line:
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if word in ('tag', 'description'):
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route.update(word=splitted_line[index + 1])
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index = index + 1
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obj.append(route)
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return obj
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def map_params_to_obj(module, required_together=None):
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keys = ['prefix', 'mask', 'state', 'next_hop', 'interface', 'description',
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'admin_distance', 'tag']
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obj = []
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aggregate = module.params.get('aggregate')
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if aggregate:
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for item in aggregate:
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route = item.copy()
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for key in keys:
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if route.get(key) is None:
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route[key] = module.params.get(key)
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route = dict((k, v) for k, v in route.items() if v is not None)
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module._check_required_together(required_together, route)
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obj.append(route)
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else:
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module._check_required_together(required_together, module.params)
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route = dict()
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for key in keys:
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if module.params.get(key) is not None:
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route[key] = module.params.get(key)
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obj.append(route)
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return obj
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def main():
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""" main entry point for module execution
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"""
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element_spec = dict(
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prefix=dict(type='str'),
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mask=dict(type='str'),
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next_hop=dict(type='str'),
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interface=dict(type='str'),
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description=dict(type='str'),
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admin_distance=dict(type='str', default='1'),
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tag=dict(tag='str'),
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state=dict(default='present', choices=['present', 'absent'])
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)
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aggregate_spec = deepcopy(element_spec)
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aggregate_spec['prefix'] = dict(required=True)
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# remove default in aggregate spec, to handle common arguments
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remove_default_spec(aggregate_spec)
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argument_spec = dict(
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aggregate=dict(type='list', elements='dict', options=aggregate_spec),
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)
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argument_spec.update(element_spec)
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required_one_of = [['aggregate', 'prefix']]
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required_together = [['prefix', 'mask']]
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mutually_exclusive = [['aggregate', 'prefix']]
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module = AnsibleModule(argument_spec=argument_spec,
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required_one_of=required_one_of,
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mutually_exclusive=mutually_exclusive,
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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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result = {'changed': False}
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if warnings:
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result['warnings'] = warnings
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want = map_params_to_obj(module, required_together=required_together)
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have = map_config_to_obj(module)
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commands = map_obj_to_commands(want, have)
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result['commands'] = commands
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if commands:
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if not module.check_mode:
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load_config(module, commands)
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result['changed'] = True
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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