itamae/cookbooks/consul/files/etc/consul.d/check-disk.json

{
  "check": {
    "id": "disk-capacity",
    "name": "Check for Disk Capacity",
    "args": ["/usr/lib/nagios/plugins/check_disk", "-w", "25%", "-c", "10%", "-p", "/"],
    "interval": "3600s",
    "timeout": "10s"
  }
}