{
  "name": "production",
  "description": "Production environment",
  "chef_type": "environment",
  "json_class": "Chef::Environment",
  "default_attributes": {
    "mysql": {
      "port": "3306"
    }
  },
  "override_attributes": {}
}

{
  "name": "production",
  "description": "Production environment",
  "chef_type": "environment",
  "json_class": "Chef::Environment",
  "default_attributes": {
    "mysql": {
      "port": "3306",
      "server_root_password": "change_after_install"
    }
  },
  "override_attributes": {}
}

Set mysql parameter for installation
Set mysql parameter for installation
