#!/bin/bash
##########################################################
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#
# This script handles bootstrapping java for
# the Apache Kudu base docker images.
#
##########################################################

set -xe
set -o pipefail

# Install the prerequisite libraries, if they are not installed.
# CentOS/RHEL
if [[ -f "/usr/bin/yum" ]]; then
  # Update the repo.
  yum update -y

  # Install OpenJDK 8.
  yum install -y java-1.8.0-openjdk-devel

  # Reduce the image size by cleaning up after the install.
  yum clean all
  rm -rf /var/cache/yum /tmp/* /var/tmp/*
# Ubuntu/Debian
elif [[ -f "/usr/bin/apt-get" ]]; then
  # Ensure the Debian frontend is noninteractive.
  export DEBIAN_FRONTEND=noninteractive

  # Update the repo.
  apt-get update -y

  # Install lsb-release so we can reliably detect the release.
  apt-get install -y --no-install-recommends lsb-release
  VERSION_NAME=$(lsb_release -c | cut -d":" -f2 | tr -d '[:blank:]')

  # Install OpenJDK 8.
  if [[ "$VERSION_NAME" == "jessie" ]]; then
    apt-get install -y --no-install-recommends software-properties-common
    add-apt-repository "deb http://http.debian.net/debian jessie-backports main"
    apt-get update -y
    apt-get install -y --no-install-recommends -t jessie-backports openjdk-8-jdk
  elif [[ "$VERSION_NAME" == "trusty" ]]; then
    apt-get install -y --no-install-recommends software-properties-common
    add-apt-repository ppa:openjdk-r/ppa
    apt-get update -y
    apt-get install -y --no-install-recommends openjdk-8-jdk
  else
    apt-get install -y --no-install-recommends openjdk-8-jdk
  fi

  # Reduce the image size by cleaning up after the install.
  apt-get clean
  rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

  unset DEBIAN_FRONTEND
# OpenSUSE/SLES
elif [[ -f "/usr/bin/zypper" ]]; then
  # Update the repo.
  zypper update -y

  # Install OpenJDK 8.
  zypper install -y java-1_8_0-openjdk-devel

  # Reduce the image size by cleaning up after the install.
  zypper clean --all
  rm -rf /var/lib/zypp/* /tmp/* /var/tmp/*
else
  echo "Unsupported OS"
  exit 1
fi