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authorBradley A. Thornton <bthornto@thethorntons.net>2019-08-08 10:51:33 -0700
committerBradley A. Thornton <bthornto@thethorntons.net>2019-08-08 10:51:33 -0700
commitba99fb9d041f63f5d300956daabefeb0a86edb06 (patch)
treecedee2681cb3b629e4bf3cc56dbd3ec46aeee123 /plugins/modules/vyos_system.py
parent401cd33cbfa3cb623b5f6deb0f24911527d905c2 (diff)
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+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+#
+# 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 = {'metadata_version': '1.1',
+ 'status': ['preview'],
+ 'supported_by': 'network'}
+
+
+DOCUMENTATION = """
+---
+module: "vyos_system"
+version_added: "2.3"
+author: "Nathaniel Case (@qalthos)"
+short_description: Run `set system` commands on VyOS devices
+description:
+ - Runs one or more commands on remote devices running VyOS.
+ This module can also be introspected to validate key parameters before
+ returning successfully.
+extends_documentation_fragment: vyos
+notes:
+ - Tested against VYOS 1.1.7
+options:
+ host_name:
+ description:
+ - Configure the device hostname parameter. This option takes an ASCII string value.
+ domain_name:
+ description:
+ - The new domain name to apply to the device.
+ name_servers:
+ description:
+ - A list of name servers to use with the device. Mutually exclusive with
+ I(domain_search)
+ aliases: ['name_server']
+ domain_search:
+ description:
+ - A list of domain names to search. Mutually exclusive with
+ I(name_server)
+ state:
+ description:
+ - Whether to apply (C(present)) or remove (C(absent)) the settings.
+ default: present
+ choices: ['present', 'absent']
+"""
+
+RETURN = """
+commands:
+ description: The list of configuration mode commands to send to the device
+ returned: always
+ type: list
+ sample:
+ - set system hostname vyos01
+ - set system domain-name foo.example.com
+"""
+
+EXAMPLES = """
+- name: configure hostname and domain-name
+ vyos_system:
+ host_name: vyos01
+ domain_name: test.example.com
+
+- name: remove all configuration
+ vyos_system:
+ state: absent
+
+- name: configure name servers
+ vyos_system:
+ name_servers
+ - 8.8.8.8
+ - 8.8.4.4
+
+- name: configure domain search suffixes
+ vyos_system:
+ domain_search:
+ - sub1.example.com
+ - sub2.example.com
+"""
+
+from ansible.module_utils.basic import AnsibleModule
+from ansible_collections.vyos.vyos.plugins.module_utils.network.vyos.vyos import get_config, load_config
+from ansible_collections.vyos.vyos.plugins.module_utils.network.vyos.vyos import vyos_argument_spec
+
+
+def spec_key_to_device_key(key):
+ device_key = key.replace('_', '-')
+
+ # domain-search is longer than just it's key
+ if device_key == 'domain-search':
+ device_key += ' domain'
+
+ return device_key
+
+
+def config_to_dict(module):
+ data = get_config(module)
+
+ config = {'domain_search': [], 'name_server': []}
+
+ for line in data.split('\n'):
+ if line.startswith('set system host-name'):
+ config['host_name'] = line[22:-1]
+ elif line.startswith('set system domain-name'):
+ config['domain_name'] = line[24:-1]
+ elif line.startswith('set system domain-search domain'):
+ config['domain_search'].append(line[33:-1])
+ elif line.startswith('set system name-server'):
+ config['name_server'].append(line[24:-1])
+
+ return config
+
+
+def spec_to_commands(want, have):
+ commands = []
+
+ state = want.pop('state')
+
+ # state='absent' by itself has special meaning
+ if state == 'absent' and all(v is None for v in want.values()):
+ # Clear everything
+ for key in have:
+ commands.append('delete system %s' % spec_key_to_device_key(key))
+
+ for key in want:
+ if want[key] is None:
+ continue
+
+ current = have.get(key)
+ proposed = want[key]
+ device_key = spec_key_to_device_key(key)
+
+ # These keys are lists which may need to be reconciled with the device
+ if key in ['domain_search', 'name_server']:
+ if not proposed:
+ # Empty list was passed, delete all values
+ commands.append("delete system %s" % device_key)
+ for config in proposed:
+ if state == 'absent' and config in current:
+ commands.append("delete system %s '%s'" % (device_key, config))
+ elif state == 'present' and config not in current:
+ commands.append("set system %s '%s'" % (device_key, config))
+ else:
+ if state == 'absent' and current and proposed:
+ commands.append('delete system %s' % device_key)
+ elif state == 'present' and proposed and proposed != current:
+ commands.append("set system %s '%s'" % (device_key, proposed))
+
+ return commands
+
+
+def map_param_to_obj(module):
+ return {
+ 'host_name': module.params['host_name'],
+ 'domain_name': module.params['domain_name'],
+ 'domain_search': module.params['domain_search'],
+ 'name_server': module.params['name_server'],
+ 'state': module.params['state']
+ }
+
+
+def main():
+ argument_spec = dict(
+ host_name=dict(type='str'),
+ domain_name=dict(type='str'),
+ domain_search=dict(type='list'),
+ name_server=dict(type='list', aliases=['name_servers']),
+ state=dict(type='str', default='present', choices=['present', 'absent']),
+ )
+
+ argument_spec.update(vyos_argument_spec)
+
+ module = AnsibleModule(
+ argument_spec=argument_spec,
+ supports_check_mode=True,
+ mutually_exclusive=[('domain_name', 'domain_search')],
+ )
+
+ warnings = list()
+
+ result = {'changed': False, 'warnings': warnings}
+
+ want = map_param_to_obj(module)
+ have = config_to_dict(module)
+
+ commands = spec_to_commands(want, have)
+ result['commands'] = commands
+
+ if commands:
+ commit = not module.check_mode
+ response = load_config(module, commands, commit=commit)
+ result['changed'] = True
+
+ module.exit_json(**result)
+
+
+if __name__ == '__main__':
+ main()