This script polls the rs.status() to check for the state of the various replica sets.

mongo_replica_member_status_check.js

MAXSCRIPT_RUN_ITERATIONS = 1800 // approximately 30 minutes

for (var i = 0; i < MAXSCRIPT_RUN_ITERATIONS; i++) {
  sleep(1000);
  var currentdate = new Date();
  var datetime = new Date().toLocaleString();
  var rsStatus = rs.status()
  var members = rsStatus.members
  // Change this index depending on the # of members in your set
  var resyncmember = members[0]
  var resyncMemberState = resyncmember.stateStr
  print("--------------")
  print("Member Count: " + members.length + " " + datetime)
  for (var n = 0; n < members.length; n++){
    var member = members[n]
    print("HOST: " + member.name  + " State: " + member.stateStr)
  }
  if (resyncMemberState == "SECONDARY"){
    print("########################")
    var currentdate = new Date();
    print("resyncMember finished: " + datetime)
    print("########################")
    break
  }
}