$ mongosh --quiet -u <user> -p <pass> --host rs0/<host> --eval "rs.status().members.map(function(m) { return {'id':m._id, 'name':m.name, 'stateStr':m.stateStr} });"
[
  { id: 0, name: '<ip1>:27017', stateStr: 'PRIMARY' },
  { id: 1, name: '<ip2>:27017', stateStr: 'SECONDARY' },
  { id: 2, name: '<ip3>:27017', stateStr: 'SECONDARY' }
]
$ mongo --quiet -u <user> -p <pass> --host rs0/<host> --eval "rs.status().members.map(function(m) { return {'id':m._id, 'name':m.name, 'stateStr':m.stateStr} });"
[
        {
                "id" : 0,
                "name" : "<ip1>:27017",
                "stateStr" : "PRIMARY"
        },
        {
                "id" : 1,
                "name" : "<ip2>:27017",
                "stateStr" : "SECONDARY"
        },
        {
                "id" : 2,
                "name" : "<ip3>:27017",
                "stateStr" : "SECONDARY"
        }
]