test2.sh

servers=("server1" "server2" "server3")
for server in "${servers[@]}"; do
    check_resource_utilization "$server"
done

while ! aws ec2 describe-instance-status --instance-ids i-1234567890abcdef0 | grep -q "running"; do
    echo "Waiting for the EC2 instance to be running..."
    sleep 10
done

while true; do
    if tail -n 1 /var/log/app.log | grep -q "ERROR"; then
        send_alert "Error detected in the log."
    fi
    sleep 5
done

while true; do
    replication_lag=$(mysql -e "SHOW SLAVE STATUS\G" | grep "Seconds_Behind_Master" | awk '{print $2}')
    if [ "$replication_lag" -gt 60 ]; then
        trigger_data_sync
    fi
    sleep 60
done

while true; do
    if ! check_service_health; then
        restart_service
    fi
    sleep 30
done