{
  "name": "hall-b",
  "region": "http://10.0.0.234",
  "secret": "<rack_secret from the region's config.json>",
  "url": "http://10.213.78.1",
  "listen": "10.213.78.1:80",
  "tftp_root": "/srv/tftp",
  "dnsmasq_dir": "/var/lib/rollcall/dnsmasq",
  "cache_dir": "/var/cache/rollcall",
  "ipmitool": "ipmitool",
  "dhcp_interfaces": []
}