# Prepare fake disks with losetup
function prepare_block_devices() {
	set -e
	mkdir -p ${WORK_DIR}/disks/ ${WORK_DIR}/mnt/
	sudo modprobe loop
	for i in 1 2 3 4; do
		dd if=/dev/zero of=${WORK_DIR}/disks/img.${i} bs=1M count=2000
		device=$(sudo losetup --find --show ${WORK_DIR}/disks/img.${i})
		sudo mkfs.ext4 -F ${device}
		mkdir -p ${WORK_DIR}/mnt/disk${i}/
		sudo mount ${device} ${WORK_DIR}/mnt/disk${i}/

net_bits = 128 if type(net) == IPv6Network else 32;
net_len = pow(2, net_bits - net.prefixlen)
start, end = int(net_len / 4 * 3), net_len
if net_len > 2000:
  start, end = 1000, 2000

[print(str(ip) + "/" + str(ip.max_prefixlen)) for ip in islice(ip_network('$CIDR').hosts(), start, end)]
EOF
}

function ips_to_cidrs() {
  IP_RANGE_START="$1"
  IP_RANGE_END="$2"
  python3 - <<EOF

minio server --address ":9002" --console-address ":11000" /tmp/minio2/{1...4} >/tmp/minio2_1.log 2>&1 &
site2_pid=$!

export MINIO_IDENTITY_OPENID_REDIRECT_URI="http://127.0.0.1:12000/oauth_callback"
minio server --address ":9003" --console-address ":12000" /tmp/minio3/{1...4} >/tmp/minio3_1.log 2>&1 &
site3_pid=$!

if [ ! -f ./mc ]; then
	wget -O mc https://dl.minio.io/client/mc/release/linux-amd64/mc &&
		chmod +x mc
fi

		if [ -n "${MINIO_UID}" ] && [ -n "${MINIO_GID}" ]; then
			chroot --userspec=${MINIO_UID}:${MINIO_GID} / "$@"
		else
			echo "${MINIO_USERNAME}:x:1000:1000:${MINIO_USERNAME}:/:/sbin/nologin" >>/etc/passwd
			echo "${MINIO_GROUPNAME}:x:1000" >>/etc/group
			chroot --userspec=${MINIO_USERNAME}:${MINIO_GROUPNAME} / "$@"
		fi
	else
		exec "$@"
	fi
}

if [ ! -f ./mc ]; then
	os="$(uname -s)"
	arch="$(uname -m)"
	wget -O mc https://dl.minio.io/client/mc/release/${os,,}-${arch,,}/mc &&
		chmod +x mc
fi

for i in $(seq 1 4); do
	s3Port="$((9000 + i))"
	consolePort="$((s3Port + 1000))"

	cat <<EOF >/tmp/minio.configfile.$i
version: v1
address: ':${s3Port}'
console-address: ':${consolePort}'
rootUser: 'minr0otUS2r'
rootPassword: 'pBU94AGAY85e'