Create IBM MQ RHEL Buildah build (#192)

* Buildah containerized Go build

* Minor fixes to buildah build

* Move and rename files for RHEL build

* Create MQ RHEL buildah build

mq-advanced-server-rhel/install-mq-rhel.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+# -*- mode: sh -*-
+# © Copyright IBM Corporation 2018
+#
+#
+# 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.
+
+# Install one or more MQ components into a buildah container
+
+set -ex
+
+readonly ctr=$1
+readonly scratchmnt=$2
+readonly archive=$3
+readonly mq_packages=$4
+readonly dir_extract=/tmp/extract
+
+groupadd --root $scratchmnt --system --gid 888 mqm
+useradd --root $scratchmnt --system --uid 888 --gid mqm mqm
+usermod --root $scratchmnt -aG root mqm
+usermod --root $scratchmnt -aG mqm root
+
+if [ ! -d ${dir_extract}/MQServer ]; then
+  mkdir -p ${dir_extract}
+  echo Extracting $archive
+  tar -zxf $archive -C ${dir_extract}
+  echo Extracting finished
+fi
+
+# If MQ_PACKAGES isn't specifically set, then choose a valid set of defaults
+
+
+# Accept the MQ license
+buildah run --volume ${dir_extract}:/mnt/mq-download $ctr -- /mnt/mq-download/MQServer/mqlicense.sh -text_only -accept
+
+buildah run --volume ${dir_extract}:/mnt/mq-download $ctr -- bash -c "cd /mnt/mq-download/MQServer && rpm -ivh $mq_packages"
+
+rm -rf ${dir_extract}/MQServer
+
+# Remove 32-bit libraries from 64-bit container
+find $scratchmnt/opt/mqm $scratchmnt/var/mqm -type f -exec file {} \; | awk -F: '/ELF 32-bit/{print $1}' | xargs --no-run-if-empty rm -f
+
+# Remove tar.gz files unpacked by RPM postinst scripts
+find $scratchmnt/opt/mqm -name '*.tar.gz' -delete
+
+# Recommended: Set the default MQ installation (makes the MQ commands available on the PATH)
+buildah run $ctr -- /opt/mqm/bin/setmqinst -p /opt/mqm -i
+
+# Optional: Set these values for the IBM Cloud Vulnerability Report
+sed -i 's/PASS_MAX_DAYS\t99999/PASS_MAX_DAYS\t90/' $scratchmnt/etc/login.defs
+sed -i 's/PASS_MIN_DAYS\t0/PASS_MIN_DAYS\t1/' $scratchmnt/etc/login.defs
+sed -i 's/password\t\[success=1 default=ignore\]\tpam_unix\.so obscure sha512/password\t[success=1 default=ignore]\tpam_unix.so obscure sha512 minlen=8/' $scratchmnt/etc/pam.d/password-auth