structured facts: arp_table

gistfile1.yml

# ./bin/facter arp_table
---
arp_table: 
  list: 
  - &id001 
    ip_address: 169.254.245.13
    protocol: ethernet
    mac_address: b8:8d:12:5a:c9:45
    hostname: ""
    interface: en1
  - &id004 
    ip_address: 192.168.1.74
    protocol: ethernet
    mac_address: b4:7:f9:47:d0:c2
    hostname: ""
    interface: en1
  - &id003 
    ip_address: 192.168.1.254
    protocol: ethernet
    mac_address: 0:26:44:c7:2c:fa
    hostname: ""
    interface: en1
  - &id002 
    ip_address: 192.168.1.255
    protocol: ethernet
    mac_address: ff:ff:ff:ff:ff:ff
    hostname: ""
    interface: en1
  by_ip_address: 
    169.254.245.13: *id001
    192.168.1.255: *id002
    192.168.1.254: *id003
    192.168.1.74: *id004