hostfile.json

{
  "watches": [
    {
      "type":"key",
      "key":"/hostsfile/data",
      "handler":"consulkv get hostsfile/data > /etc/hosts.consul && sudo pkill -HUP dnsmasq && logger -t consul consuldnsbackup: Received hosts: `sha256sum /etc/hosts.consul`"
    }
  ]
}