#! /bin/sh

#-------------------------------------------------------------------------------
# ============LICENSE_START=======================================================
#  Copyright (C) 2016-2018 Ericsson. All rights reserved.
# ================================================================================
# 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.
# 
# SPDX-License-Identifier: Apache-2.0
# ============LICENSE_END=========================================================
#-------------------------------------------------------------------------------

#
# This script is called before package software is installed
#

echo  "********************preinst*******************"
echo "arguments $*"
echo  "**********************************************"

# Check if Apex is running
running_check=`ps -ef | egrep "org.onap.policy.apex.service.engine.main.ApexMain" | egrep -v grep`
if [ ! -z "$running_check" -a "$running_check" != "" ]
then
    echo "Apex processes are running, stop Apex prior to package upgrade"
    exit 1
fi

if ! getent group "apexuser" >/dev/null 2>&1
then
    echo "creating group apexuser . . ."
    groupadd apexuser
fi

if ! getent passwd "apexuser" >/dev/null 2>&1
then
    echo "creating user apexuser . . ."
    useradd -g apexuser apexuser
fi

# Create the Apex user home directory
mkdir -p /home/apexuser
chown -R apexuser:apexuser /home/apexuser