#!/bin/bash -e
# SPDX-license-identifier: Apache-2.0
##############################################################################
# Copyright (c) 2016 NEC and others.
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
function isinstalled {
source /etc/os-release; echo ${ID/*, /}
if [[ ${ID/*, /} =~ "centos" ]]; then
if rpm -q