#!/usr/bin/python # -*- coding: utf-8 -*- # # Copyright: Ansible Project # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) 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 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()