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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright Ansible Project
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import absolute_import, division, print_function
__metaclass__ = type
DOCUMENTATION = '''
---
module: lldp
requirements: [ lldpctl ]
short_description: Get details reported by lldp
description:
- Reads data out of lldpctl
extends_documentation_fragment:
- community.general.attributes
attributes:
check_mode:
support: none
diff_mode:
support: none
options: {}
author: "Andy Hill (@andyhky)"
notes:
- Requires lldpd running and lldp enabled on switches
'''
EXAMPLES = '''
# Retrieve switch/port information
- name: Gather information from lldp
community.general.lldp:
- name: Print each switch/port
ansible.builtin.debug:
msg: "{{ lldp[item]['chassis']['name'] }} / {{ lldp[item]['port']['ifname'] }}"
with_items: "{{ lldp.keys() }}"
# TASK: [Print each switch/port] ***********************************************************
# ok: [10.13.0.22] => (item=eth2) => {"item": "eth2", "msg": "switch1.example.com / Gi0/24"}
# ok: [10.13.0.22] => (item=eth1) => {"item": "eth1", "msg": "switch2.example.com / Gi0/3"}
# ok: [10.13.0.22] => (item=eth0) => {"item": "eth0", "msg": "switch3.example.com / Gi0/3"}
'''
from ansible.module_utils.basic import AnsibleModule
def gather_lldp(module):
cmd = [module.get_bin_path('lldpctl'), '-f', 'keyvalue']
rc, output, err = module.run_command(cmd)
if output:
output_dict = {}
current_dict = {}
lldp_entries = output.split("\n")
for entry in lldp_entries:
if entry.startswith('lldp'):
path, value = entry.strip().split("=", 1)
path = path.split(".")
path_components, final = path[:-1], path[-1]
else:
value = current_dict[final] + '\n' + entry
current_dict = output_dict
for path_component in path_components:
current_dict[path_component] = current_dict.get(path_component, {})
current_dict = current_dict[path_component]
current_dict[final] = value
return output_dict
def main():
module = AnsibleModule({})
lldp_output = gather_lldp(module)
try:
data = {'lldp': lldp_output['lldp']}
module.exit_json(ansible_facts=data)
except TypeError:
module.fail_json(msg="lldpctl command failed. is lldpd running?")
if __name__ == '__main__':
main()
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