My Rackspace chef environment

{
   "name": "MDI-private-cloud",
   "description": "Mobile Device - Rackspace Private Cloud v4.2.2",
   "cookbook_versions": {
   },
   "json_class": "Chef::Environment",
   "chef_type": "environment",
   "default_attributes": {
   },
   "override_attributes": {
     "custom_template_banner": "Mobile Devices Ingenierie Cloud",
     "developer_mode": false,
     "enable_testing_repos": false,
         "nova": {
            "network": {
                "provider": "neutron"
            }
          },
         "neutron": {
            "ovs": {
            "external_bridge": "",
                "provider_networks": [
                  {
                     "label": "ph-eth0",
                     "bridge": "br-eth0",
                     "vlans": "1:1"
                   }
             ],
             "network_type": "gre"
         }
      },
      "mysql": {
         "allow_remote_root": true,
         "root_network_acl": "%"
      },
      "osops_networks": {
         "nova": "192.168.1.0/24",
         "public": "192.168.1.0/24",
         "management": "192.168.1.0/24"
      }
   }
}