222 lines
6.3 KiB
Python
222 lines
6.3 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2017, Ansible by Red Hat, inc
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#
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# This file is part of Ansible by Red Hat
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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': 'core'}
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DOCUMENTATION = """
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---
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module: ios_static_route
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version_added: "2.4"
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author: "Ricardo Carrillo Cruz (@rcarrillocruz)"
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short_description: Manage static IP routes on Cisco IOS 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 Cisco IOS network devices.
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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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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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aggregate:
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description: List of static route definitions
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purge:
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description:
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- Purge static routes not defined in the aggregates parameter.
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default: no
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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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ios_static_route:
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prefix: 192.168.2.0
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mask: 255.255.255.0
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next_hop: 10.0.0.1
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- name: remove configuration
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ios_static_route:
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prefix: 192.168.2.0
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mask: 255.255.255.0
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next_hop: 10.0.0.1
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state: absent
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- name: configure aggregates of static routes
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ios_static_route:
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aggregate:
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- { prefix: 192.168.2.0, mask 255.255.255.0, next_hop: 10.0.0.1 }
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- { prefix: 192.168.3.0, mask 255.255.255.0, next_hop: 10.0.2.1 }
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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 192.168.2.0 255.255.255.0 10.0.0.1
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"""
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from ansible.module_utils._text import to_text
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.connection import exec_command
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from ansible.module_utils.ios import load_config, run_commands
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from ansible.module_utils.ios import ios_argument_spec, check_args
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from ipaddress import ip_network
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import re
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def map_obj_to_commands(updates, module):
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commands = list()
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want, have = updates
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for w in want:
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prefix = w['prefix']
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mask = w['mask']
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next_hop = w['next_hop']
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admin_distance = w['admin_distance']
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state = w['state']
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del w['state']
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if state == 'absent' and w in have:
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commands.append('no ip route %s %s %s' % (prefix, mask, next_hop))
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elif state == 'present' and w not in have:
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commands.append('ip route %s %s %s %s' % (prefix, mask, next_hop,
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admin_distance))
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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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rc, out, err = exec_command(module, 'show ip static route')
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match = re.search(r'.*Static local RIB for default\s*(.*)$', out, re.DOTALL)
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if match and match.group(1):
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for r in match.group(1).splitlines():
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splitted_line = r.split()
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cidr = ip_network(to_text(splitted_line[1]))
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prefix = str(cidr.network_address)
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mask = str(cidr.netmask)
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next_hop = splitted_line[4]
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admin_distance = splitted_line[2][1]
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obj.append({'prefix': prefix, 'mask': mask,
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'next_hop': next_hop,
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'admin_distance': admin_distance})
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return obj
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def map_params_to_obj(module):
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obj = []
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if 'aggregate' in module.params and module.params['aggregate']:
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for c in module.params['aggregate']:
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d = c.copy()
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if 'state' not in d:
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d['state'] = module.params['state']
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if 'admin_distance' not in d:
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d['admin_distance'] = str(module.params['admin_distance'])
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obj.append(d)
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else:
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prefix = module.params['prefix'].strip()
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mask = module.params['mask'].strip()
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next_hop = module.params['next_hop'].strip()
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admin_distance = str(module.params['admin_distance'])
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state = module.params['state']
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obj.append({
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'prefix': prefix,
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'mask': mask,
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'next_hop': next_hop,
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'admin_distance': admin_distance,
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'state': state
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})
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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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argument_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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admin_distance=dict(default=1, type='int'),
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aggregate=dict(type='list'),
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purge=dict(type='bool'),
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state=dict(default='present', choices=['present', 'absent'])
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)
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argument_spec.update(ios_argument_spec)
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required_one_of = [['aggregate', 'prefix']]
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required_together = [['prefix', 'mask', 'next_hop']]
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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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required_together=required_together,
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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)
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have = map_config_to_obj(module)
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commands = map_obj_to_commands((want, have), module)
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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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