stopCDN

#!/usr/bin/env bash
DNS_SERVER=proj4-dns.5700.network
DNS_DIR='dns_server'
HTTP_REPLICAS=(proj4-repl1.5700.network
               proj4-repl2.5700.network
               proj4-repl3.5700.network
               proj4-repl4.5700.network
               proj4-repl5.5700.network
               proj4-repl6.5700.network
               proj4-repl7.5700.network)
HTTP_DIR='http_server'
USERNAME='r_r'

while getopts p:o:n:u:i: flag
do
    case "${flag}" in
        p) port=${OPTARG};;
        o) origin=${OPTARG};;
        n) name=${OPTARG};;
        u) username=${OPTARG};;
        i) keyfile=${OPTARG};;
    esac
done

# shut down and clean up DNS server
echo "Shutting down the DNS server..."
ssh -i $keyfile $username@$DNS_SERVER "pkill -u $USERNAME python3; rm -rf ~/$DNS_DIR"
echo "DNS server has stopped"
echo "DNS server cleanup complete"

#shut down and clean up HTTP servers
echo "Shutting down CDN replicas..."
for replica in "${HTTP_REPLICAS[@]}"
do
	echo "Shutting down replica: $username@$replica..."
	ssh -i $keyfile $username@$replica "pkill -u $USERNAME python3; rm -rf ~/$HTTP_DIR" &
done
wait
echo "Replicas have stopped"
echo "Replicas cleanup complete"