Add support for new hardware data model

Boots shall continue to support the existing model and shall also support the new model described below for tinkerbell.

The new data model:

{
   "id": "fde7c87c-d154-447e-9fce-7eb7bdec90c0",
   "dhcp": { 
     "mac": "00:00:00:00:00:00", // MAC address for lookup0
     "ip": "172.16.1.35/31",     // IP to hand out
     "hostname": "server001",    // hostname (optional, no default) 
     "lease_time": 86400,        // expiration in secs (optional, default: 86400)  
     "name_servers": [ .. ],     // DNS servers (optional, no default)
     "time_servers": [ .. ],     // NTP servers (optional, no default)  
     "gateway": "192.168.1.1"    // gateway address (optional? no default)
     "arch": <string>            //  Architecture of machine  
     "uefi": <bool> 
  },
   "netboot": {
     "allow_pxe": <bool>,
     "allow_workflow": <bool>,
     "ipxe": {  
       "url": "http://<url>/menu.ipxe",
       "contents": "#!ipxe"
     },
     "bootstrapper": {
       "kernel": "http://<url-to>/kernel",
       "initrd": "http://<url-to>/initrd",
       "os": "http://<url-to>/osie"
     } 
   }, 
   "network": [{
     "dhcp": {
       // any global "dhcp" settings can be overridden here 
     }, 
     "netboot": {
       // any global "netboot" settings can be overridden here
     }
   }],
   "metadata": {  
     "state" : <string> // state of the hardware 
     "bonding_mode" : <int> 
     "manufacturer" : {  
        "id": <string>,  
        "slug": <string> 
     }
     "instance": { ... },     
     "custom": { 
        "preinstalled_operating_system_version: {...},  
       "private_subnets": [<string>] 
     },  
     "facility": {  
        "plan_slug": <string>,
        "plan_version_slug": <string>,
        "facility_code":<string>  
     } 
   } 
}

tinkerbell / smee

Add support for new hardware data model #25