#!/bin/bash
set -e -o pipefail
errhandler() {
    echo >&2
    echo "Uninstallation encountered error on line $1.  Aborting.  Please contact Groundwork Support for assistance." >&2
    echo >&2
}
trap 'errhandler $LINENO' ERR
GWVER="7.1.1"
PATCH="TB$GWVER-3"
GWDIR="/usr/local/groundwork"
OUTDIR="$GWDIR/common/var/patches"
LOGFILE="$OUTDIR/$PATCH.log"
OUTFILE="$OUTDIR/$PATCH.installed"
echo "===== Groundwork Patch $PATCH uninstaller ====="
echo
echo "This unistaller will remove the final NeDi Patch 3 files"
echo "and replace the alpha files."
echo
echo "Please note that this script will stop/start Groundwork which"
echo "will result in a few minutes of downtime.  This script will also"
echo "modify the NeDi portion of your Groundwork installation."
echo
echo -n "Ok to proceed? [y/N] "
read -r proceed
echo
case "$proceed" in
    [yY][eE][sS]|[yY])
        ;;
    *)
        echo "Installation aborted"
        exit 0
        ;;
esac
if [[ $EUID -ne 0 ]]; then
    echo "ERROR: This script must be run as root" >&2
    exit 1
fi
if [ ! -f $OUTFILE ]; then
    echo "ERROR: Patch not installed.  Please contact Groundwork Support for assistance." >&2
    exit 1
fi
if ! grep -Exq "version= 7.1.0|version= $GWVER" $GWDIR/Info.txt; then
    echo "ERROR: Version 7.1.0 or $GWVER required" >&2
    exit 1
fi
exec &> >(tee -a "$LOGFILE")
echo "PATCH: $PATCH"
echo "USER: $USER"
echo "HOST: `hostname -f`"
echo "UNINSTALL START: `date`"
echo "=================================================="
echo "Stopping gwservices..."
/etc/init.d/groundwork stop gwservices
mv $GWDIR/nedi.alpha/System-Files.php $GWDIR/nedi/html/
mv $GWDIR/nedi.alpha/System-Policy.php $GWDIR/nedi/html/ 
mv $GWDIR/nedi.alpha/Topology-Networks.php $GWDIR/nedi/html/
mv $GWDIR/nedi.alpha/libmon.php $GWDIR/nedi/html/inc/ 
mv $GWDIR/nedi.alpha/libdb.pm  $GWDIR/nedi/inc/
mv $GWDIR/nedi.alpha/libsnmp.pm $GWDIR/nedi/inc/
rm -rf $GWDIR/nedi.alpha
echo "Starting gwservices..."
/etc/init.d/groundwork start gwservices
echo "=================================================="
echo "UNINSTALL COMPLETE: `date`"
rm $OUTFILE