Notes

#!/bin/bash
declare -A sites=( [8004]=auth [8003]=directory_backend [9001]=directory_frontend [8303]=health [7801]=highcharts_export_server [8001]=interactions [8200]=intfiletracker_backend [8002]=providers [8317]=refdata_backend [8000]=references [8011]=rti_backend [8100]=scp_backend [9101]=scp_frontend [8100]=scp_jobs [9201]=tracker_frontend ) #Declaring associative array
declare -a not_workingPort=() #Initialising empty array for ports
declare -a not_workingServ=() #Initilaising empty array for service
flag=0
for i in "${!sites[@]}" #Checking array elements Reverse Mapping
do
netcat -z localhost $i
if [ $? -ne 0 ];then
not_workingPort=("${not_workingPort[@]}" "$i") #Putting not working port in the array not_workingPort
not_workingServ=("${not_workingServ[@]}" "${sites[$i]}") #Putting not working service in the array not_workingServ
flag=1
fi
done
if [ $flag -ne 0 ];then

for e in "${not_workingPort[*]}" #Extracing not working service ports
do
for g in "${not_workingServ[*]}" #Extracing not working service name
do
echo -e "The services $g are down"
done
done
exit 2
fi

echo "All ports
auth on 8004
directory_backend on 8003
directory_frontend on 9001
health on 8303
highcharths on 7801
interacions on 8001
intfiletracker_backend on 8200
providers on 8002
refdata_backend on 8317
references on 8000
rti_backend on 8011
scp_backend on 8100
scp_frontend on 9101
scp_jobs on 8100
tracker_frontend on 9201
are working fine"
exit 0