#!/bin/bash

set -e

function usage() {
  cat <<-EOF
	  usage: $0 S3_URI_OF_FUSION_CLIENT_RPM [ADDITIONAL_AWS_OPTIONS]
	EOF
}

if [ "$#" -lt 1 ]; then
  usage
  exit -1
fi

TMP_DIR="/tmp"
RPM_LOCATION="${1}"
if ! [[ "${RPM_LOCATION}" =~ s3://[^/]+/.+ ]]; then
  echo "${RPM_LOCATION} is not a valid S3 file location" >&2
  usage
  exit -1
fi
shift
ADDITIONAL_OPT="$@"

RPM_NAME=$(basename ${RPM_LOCATION})
CLIENT_INSTALL_DIR="/opt/wandisco/fusion/client/lib"
HADOOP_LIB_DIR="/usr/lib/hadoop/lib"

sudo aws ${ADDITIONAL_OPT} s3 cp "${RPM_LOCATION}" "${TMP_DIR}"
sudo yum install -y "${TMP_DIR}/${RPM_NAME}"

if [ -z $(which hadoop 2>/dev/null) ]; then
  sudo mkdir -p "${HADOOP_LIB_DIR}"
  sudo ln -s ${CLIENT_INSTALL_DIR}/*  ${HADOOP_LIB_DIR}
fi