[
   {
      "host":"host1",
      "user":"root",
      "password":"1234"
   },
   {
      "host":"host2",
      "user":"root",
      "password":"123443"
   },
   {
      "host":"127.0.0.1",
      "user":"root",
      "password":"jup2000"
   },
   {
      "user":"root",
      "password":"123443"
   }
]