OLD_VERSION=RELEASE.2024-03-26T22-10-45Z
OLD_BINARY_LINK=https://dl.min.io/server/minio/release/linux-amd64/archive/minio.${OLD_VERSION}

__init__() {
	if which curl &>/dev/null; then
		echo "curl is already installed"
	else
		echo "Installing curl:"
		sudo apt install curl -y
	fi

	export GOPATH=/tmp/gopath
	export PATH="${PATH}":"${GOPATH}"/bin

	if which mc &>/dev/null; then
		echo "mc is already installed"
	else

		-f "buildscripts/upgrade-tests/compose.yml" \
		rm -s -f
	docker volume prune -f
}

verify_checksum_after_heal() {
	local sum1
	sum1=$(curl -s "$2" | sha256sum)
	mc admin heal --json -r "$1" >/dev/null # test after healing
	local sum1_heal
	sum1_heal=$(curl -s "$2" | sha256sum)

	if [ "${sum1_heal}" != "${sum1}" ]; then
		echo "mismatch expected ${sum1_heal}, got ${sum1}"
		exit 1
	fi
}

	done

	for i in $(seq 1 4); do
		"${MINIO[@]}" --address ":$((start_port + i))" ${args[@]} 2>&1 >"${WORK_DIR}/server$i.log" &
	done

	# Wait until all nodes return 403
	for i in $(seq 1 4); do
		while [ "$(curl -m 1 -s -o /dev/null -w "%{http_code}" http://localhost:$((start_port + i)))" -ne "403" ]; do
			echo -n "."
			sleep 1
		done
	done

}

# Prepare fake disks with losetup
function prepare_block_devices() {

if [ ! -x "$PWD/minio" ]; then
	echo "minio executable binary not found in current directory"
	exit 1
fi

function download_old_release() {
	if [ ! -f minio.RELEASE.2020-10-28T08-16-50Z ]; then
		curl --silent -O https://dl.minio.io/server/minio/release/linux-amd64/archive/minio.RELEASE.2020-10-28T08-16-50Z
		chmod a+x minio.RELEASE.2020-10-28T08-16-50Z
	fi
}

function verify_rewrite() {
	start_port=$1