Initializa and start a Mongo replset

mongo-init.sh

##
# This script initializes and starts a Mongo replset on your local machine. All servers
# bind to your hostname for the replset. This script assumes the following folder structure
#
#	+ Top level folder
#		- mongo-demo.sh
#		+ MONGODB_PATH[i]
#			+ db
#			+ logs
#
# Author:
# 	Kevin Nennig
#	knennig213@gmail.com
#
# Version 1.0.0
#
##

#if you don't have mongo in your path, you'll need to set MONGO_BIN
MONGO_BIN=
BIND_IP=<Hostname or IP>
REPLSET=aem

MONGODB_PATH[0]=mongodb1
MONGODB_PATH[1]=mongodb2
MONGODB_PATH[2]=mongodb3

PORT[0]=27017
PORT[1]=27018
PORT[2]=27019

for ((i = 0; i < ${#MONGODB_PATH[@]}; i++))
do
	echo "###creating mongodb ${BIND_IP}:${PORT[i]}"
	${MONGO_BIN}mongod --bind_ip ${BIND_IP} --logpath ${MONGODB_PATH[i]}/logs/mongo.log --dbpath ${MONGODB_PATH[i]}/db --replSet ${REPLSET} --port ${PORT[i]} --fork
done

#wait for mongodbs to come online
echo "###waiting 5 seconds for servers to come online..."
sleep 5

#Connect to master and initiate the replset
echo "###initiating the replset ${REPLSET}"
${MONGO_BIN}mongo ${BIND_IP}:${PORT[0]} --eval "printjson(rs.initiate())"
${MONGO_BIN}mongo ${BIND_IP}:${PORT[0]} --eval "printjson(rs.conf())"


#Wait for the replset to come online
echo "###waiting 5 seconds for replset to initialize"
sleep 5

#Add remaining mongo servers to replset, this assumes all instances are at the same BIND_IP
for ((j = 1; j < ${#MONGODB_PATH[@]}; j++))
do
	${MONGO_BIN}mongo ${BIND_IP}:${PORT[0]} --eval "printjson(rs.add('${BIND_IP}:${PORT[j]}'))"
done

# Check Conf to make sure that everything is right
${MONGO_BIN}mongo ${BIND_IP}:${PORT[0]} --eval "printjson(rs.conf())"
# Check Status of replication 
${MONGO_BIN}mongo ${BIND_IP}:${PORT[0]} --eval "printjson(rs.status())"

mongo-start.sh

##
# This script starts a previously existing Mongo replset on your local machine. All servers
# bind to your hostname for the replset. This script assumes the following folder structure
#
#	+ Top level folder
#		- mongo-demo.sh
#		+ MONGODB_PATH[i]
#			+ db
#			+ logs
#
# Author:
# 	Kevin Nennig
#	knennig213@gmail.com
#
# Version 1.0.0
#
##

#if you don't have mongo in your path, you'll need to set MONGO_BIN
MONGO_BIN=
BIND_IP=<Hostname or IP>
REPLSET=aem

MONGODB_PATH[0]=mongodb-27017
MONGODB_PATH[1]=mongodb-27018
MONGODB_PATH[2]=mongodb-27019

PORT[0]=27017
PORT[1]=27018
PORT[2]=27019

for ((i = 0; i < ${#MONGODB_PATH[@]}; i++))
do
	echo "###creating mongodb ${BIND_IP}:${PORT[i]}"
	${MONGO_BIN}mongod --bind_ip ${BIND_IP} --logpath ${MONGODB_PATH[i]}/logs/mongo.log --dbpath ${MONGODB_PATH[i]}/db --replSet ${REPLSET} --port ${PORT[i]} --fork
done

#wait for mongodbs to come online
echo "###waiting 5 seconds for servers to come online..."
sleep 5

# Check Status of replication 
${MONGO_BIN}mongo ${BIND_IP}:${PORT[0]} --eval "printjson(rs.status())"