#!/bin/bash
# © Copyright IBM Corporation 2018, 2019
#
# Licensed 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.

set -x
set -e

###############################################################################
# Setup MQ JMS Test container
###############################################################################

# Use a "scratch" container, so the resulting image has minimal files
# Resulting image won't have yum, for example
readonly ctr_mq=$(buildah from rhel7-minimal)
readonly mnt_mq=$(buildah mount $ctr_mq)
readonly imagename=$1

microdnf_opts="--nodocs"
# Check whether the host is registered with Red Hat
if subscription-manager status ; then
  # Host is subscribed, but the minimal image has no enabled repos
  # Note that the "bc" package is the only one in "extras"
  microdnf_opts="${microdnf_opts} --enablerepo=rhel-7-server-rpms --enablerepo=rhel-7-server-extras-rpms"
else
  # Use the Yum repositories configured on the host
  cp -R /etc/yum.repos.d/* ${mnt_mq}/etc/yum.repos.d/
fi
buildah run ${ctr_mq} -- microdnf ${microdnf_opts} install \
  java-1.8.0-openjdk-devel \
  java \
  which \
  wget

buildah run $ctr_mq -- sh -c "cd /tmp && wget https://www-eu.apache.org/dist/maven/maven-3/3.6.0/binaries/apache-maven-3.6.0-bin.tar.gz"
tar xvf $mnt_mq/tmp/apache-maven-3.6.0-bin.tar.gz -C $mnt_mq/tmp/

mkdir -p $mnt_mq/usr/src/mymaven
cp pom.xml $mnt_mq/usr/src/mymaven/
cp -R src $mnt_mq/usr/src/mymaven/src

buildah run $ctr_mq -- sh -c "cd /usr/src/mymaven && export M2_HOME=/tmp/apache-maven-3.6.0 && export M2=\$M2_HOME/bin && export PATH=\$M2:\$PATH && mvn --version && mvn dependency:go-offline install && mvn --offline install"

mkdir -p $mnt_mq/opt/app

cp $mnt_mq/usr/src/mymaven/target/*.jar $mnt_mq/opt/app/
cp $mnt_mq/usr/src/mymaven/target/lib/*.jar $mnt_mq/opt/app/

###############################################################################
# Post install tidy up
###############################################################################

rm -rf $mnt_mq/tmp/*
rm -rf $mnt_mq/usr/src/mymaven

# Clean up cached files
buildah run ${ctr_mq} -- microdnf ${microdnf_opts} clean all
rm -rf ${mnt_mq}/etc/yum.repos.d/*

###############################################################################
# Contain image finalization
###############################################################################

buildah config \
  --os linux \
  --label architecture=amd64 \
  --label name="${imagename%:*}" \
  --cmd "" \
  --entrypoint '["java", "-classpath", "/opt/app/*", "org.junit.platform.console.ConsoleLauncher", "-p", "com.ibm.mqcontainer.test", "--details", "verbose"]' \
  $ctr_mq
buildah unmount $ctr_mq
buildah commit $ctr_mq $imagename

buildah rm $ctr_mq