ios-inventory.yml

# Copyright Jason Barbee 2017
# www.TekLinks.com
# jbarbee@teklinks.com
# License MIT
# This depends on modules from Network To Code library. Many thanks to them for a great library.
# https://github.com/networktocode/ntc-ansible

---
  - name: Inventory Routers and Switches and Build CSV for MyDevices.csv
    hosts: routers
    gather_facts: no
    connection: local

    # this is for the IOS Module provider
    vars:
      cli:
        host: "{{ inventory_hostname }}"
        username: "{{ username }}"
        password: "{{ password }}"
        transport: cli

    tasks:
      # Collect all facts from the device - this helps set the hostname
      - ios_facts:
          gather_subset:
              - config
          provider: "{{ cli }}"

      # Network To Code module to grab inventory data
      - name: Show Inventory
        ntc_show_command:
          connection: "{{ connection }}"
          platform: "{{ platform }}"
          port: "{{ port }}"
          command: 'show inventory'
          host: "{{ inventory_hostname }}"
          username: "{{ username }}"
          password: "{{ password }}"
        register: results

      - debug: var=results.response

      - name: Bundle data in a new hash, but only if Serial is not blank.
        set_fact:
         inventory: "{{ inventory|default([]) + [ {'hostname': ansible_net_hostname, 'ip': inventory_hostname, 'name': item.descr, 'serial': item.sn, 'version': ansible_net_version } ] }}"
        with_items: "{{ results.response }}"
        when: item.sn != ''

      #- name: Debug Check if you want
      #  debug: var=inventory

      # Write Headers for Cisco My Devices - hostname,IP,ProductID,serial
      - name: Write mydevices.csv
        run_once: true
        shell: echo Serial Number,Device Name,Tags,Notes > mydevices.csv
        with_items: "{{ inventory }}"

      - name: Write My Devices CSV File
        shell: 'echo {{ item.serial }},{{ item.hostname }},"IP-"{{ item.ip }} "|" "IOS-{{ item.version }}", >> {{ path_prefix }}mydevices.csv'
        with_items: "{{ inventory }}"