#!/bin/bash

echo ${MYID:-1} > /zookeeper/data/myid

if [ -n "$SERVERS" ]; then
    IFS=\, read -a servers <<<"$SERVERS"
    for i in "${!servers[@]}"; do 
        printf "\nserver.%i=%s:2888:3888" "$((1 + $i))" "${servers[$i]}" >> /zookeeper/conf/zoo.cfg
    done
fi

cd /zookeeper
exec "$@"