run_minios.sh

#!/bin/bash

usage() { 
  echo "USAGE:  ./$0 NR_PARALLEL_MINIOS BACKEND_PATH"
  exit -1 
}

[[ -z "$1" ]] && usage || nr_parallel="$1"
[[ -z "$2" ]] && usage || backend_path="$2"

minio_args=()
minio_pids=()

kill_minios() {
  for pid in "${minio_pids[@]}"
  do
    kill $pid
  done
  exit
}

trap kill_minios SIGINT SIGTERM

# Add aliases for loopback interface to be able to bind
# the same port 9000
for i in $(seq 1 $nr_parallel); do
  echo sudo ifconfig lo:$i 127.53.0.$i netmask 255.255.255.255 up
  sudo ifconfig lo:$i 127.53.0.$i netmask 255.255.255.255 up
done

# Construct minio arguments
for i in $(seq 1 $nr_parallel); do
  minio_args+=("127.53.0.$i:$backend_path/export$i/")
done
  
# Run minio servers
for i in $(seq 1 $nr_parallel) ; do
  echo minio server --address "127.53.0.$i:9000" "${minio_args[@]}"
  minio server --address "127.53.0.$i:9000" "${minio_args[@]}" &
  minio_pids+=($!)
done

echo "Press Ctrl-C to shutdown all minio instances.."

while true; do
  read
done