mongod/mongo-healthcheck.sh

#!/bin/bash

if [[ -n $1 ]]; then
    myhost=$1
else
    myhost=localhost:27017
fi

state=`mongo --host $myhost --quiet --eval 'var i=0; rs.status().members.forEach( function(myDoc) { if (myDoc.self==true) { print(myDoc.stateStr); i++;} })' |tail -1`

if [[ $state == "PRIMARY" ]];then
    echo "0"
    exit 0
fi

if [[ $state == "SECONDARY" ]];then
    date=`mongo --host $myhost --eval 'rs.status().date;' |tail -1`
    dates=`date -d "$date" "+%s"`
    lastHeartbeat=`mongo --host $myhost --quiet --eval 'var i=0; rs.status().members.forEach( function(myDoc) { if (myDoc.stateStr=="PRIMARY") { print(myDoc.lastHeartbeat); i++;} })' |tail -1`
    datelh=`date -d "$lastHeartbeat" "+%s"`
    if [[ $(($dates-$datelh)) -le "60" ]]; then
        echo "0"
        exit 0
    fi
fi

echo "1"
exit 1