generate lvm and add to etc/fstab

lvgen.sh

#!/bin/bash
die () {
if [ -z "$1" ]
	then
		echo "something went very wrong..."
	else
		echo "NOK:${1}"
	fi	
	exit 1
}
if [ -z "$4" ]
  then
    echo "Help:"
    echo $0 LVGROUP LVNAME LVSIZE LVMOUNTDIR
    die "Incorrect number of parameters"
fi
LVGROUP=${1}
LVNAME=${2}
LVSIZE=${3}
LVMOUNTDIR=${4}
vgs ${LVGROUP} 1>/dev/null 2>/dev/null && echo "VGGROUP:OK" || die "VGGROUP"


lvcreate -L ${LVSIZE} -n ${LVNAME} ${LVGROUP} && echo LVCREATE:OK || die "LVCREATE"
LVDEVICE="/dev/${LVGROUP}/${LVNAME}"
mkfs.ext4 -F ${LVDEVICE} && echo MKFS:OK || die "MKFS"
mkdir -p ${LVMOUNTDIR} 2>/dev/null && echo created ${LVMOUNTDIR} || echo already exists ${LVMOUNTDIR}
echo "${LVDEVICE}	${LVMOUNTDIR}	ext4	acl,user_xattr	1	2" | tee -a /etc/fstab && echo FSTAB:OK || die "FSTAB"
mount ${LVDEVICE} && echo MOUNT:OK || die "MOUNT"