isMaster command has a primary which does not have ismaster set to true

#!/bin/bash dbRoot=/tmp mongo=$(which mongo) mongod=$(which mongod) mongos=$(which mongos) cfgPort=29017 mongosPort=30000 hostname=$(hostname) replset="configServers" mongoCmds="" members="[ " configServers= storageEngine="wiredTiger"   waitForPrimary="assert.soon(function() { return rs.isMaster().primary })" waitForNode="assert.soon(function() { return rs.isMaster().primary && (rs.isMaster().ismaster || rs.isMaster().secondary) })"   # Start mongods for i in $(seq 0 2) do port=$((cfgPort+i)) dbpath="$dbRoot/config$i" rm -fr $dbpath mkdir -p $dbpath logpath="mongod-config$i.log" rm ${logpath}*   # Save each mongod configsvr cfgSrvr[$i]="$mongod \ --storageEngine $storageEngine \ --smallfiles \ --configsvr \ --port $port \ --dbpath $dbpath \ --replSet $replset \ --logpath $logpath \ --fork"   # Start each mongod configsvr ${cfgSrvr[$i]} members="$members {_id: $i, host: '$hostname:$port'}," if [ ! -z "$configServers" ]; then configServers="$configServers,$hostname:$port" else configServers="$hostname:$port" fi done members="$members ]"   # Initiate the replica set as configsvr (CSRS) mongoCmds="var cfg={_id: '$replset', configsvr: true, members: $members}; print('initializing with', tojson(cfg)); print('rs.initiate', tojson(rs.initiate(cfg))); printjson(rs.status());" echo "$mongoCmds" | $mongo --port $cfgPort   # Make sure all configsvr nodes are ready for i in $(seq 0 2) do mongoCmds="$waitForNode; printjson(rs.isMaster());" echo "$mongoCmds" | $mongo --port $((cfgPort+i)) done   # Start the mongos mongosCmd="$mongos \ --port $mongosPort \ --configdb configServers/$configServers \ --fork \ --logpath mongos.log"   $mongosCmd