#!/bin/bash
#-------------------------------------------------------------------------------
# Copyright (c) 2004 Media Development Loan Fund
#
# This file is part of the Campcaster project.
# http://campcaster.campware.org/
# To report bugs, send an e-mail to bugs@campware.org
#
# Campcaster is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# Campcaster is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Campcaster; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#
# Author : $Author$
# Version : $Revision$
# Location : $URL$
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
# This script makes post-uninstallation steps for Campcaster.
#
# Invoke as:
# ./bin/postUninstall.sh
#
# To get usage help, try the -h option
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
# Determine directories, files
#-------------------------------------------------------------------------------
reldir=`dirname $0`/..
basedir=`cd $reldir; pwd;`
bindir=$basedir/bin
etcdir=$basedir/etc
docdir=$basedir/doc
tmpdir=$basedir/tmp
#-------------------------------------------------------------------------------
# Print the usage information for this script.
#-------------------------------------------------------------------------------
printUsage()
{
echo "Campcaster post-uninstall script.";
echo "parameters";
echo "";
echo " -d, --directory The installation directory, required.";
echo " -D, --database The name of the Campcaster database.";
echo " [default: Campcaster]";
echo " -r, --www-root The root directory for web documents served";
echo " by apache [default: /var/www]";
echo " -s, --dbserver The name of the database server host.";
echo " [default: localhost]";
echo " -u, --dbuser The name of the database user to access the"
echo " database. [default: campcaster]";
echo " -h, --help Print this message and exit.";
echo "";
}
#-------------------------------------------------------------------------------
# Process command line parameters
#-------------------------------------------------------------------------------
CMD=${0##*/}
opts=$(getopt -o d:D:hr:s:u: -l database:,dbserver:,dbuser:,directory:,help,www-root: -n $CMD -- "$@") || exit 1
eval set -- "$opts"
while true; do
case "$1" in
-d|--directory)
installdir=$2;
shift; shift;;
-D|--database)
database=$2;
shift; shift;;
-h|--help)
printUsage;
exit 0;;
-r|--www-root)
www_root=$2;
shift; shift;;
-s|--dbserver)
dbserver=$2;
shift; shift;;
-u|--dbuser)
dbuser=$2;
shift; shift;;
--)
shift;
break;;
*)
echo "Unrecognized option $1.";
printUsage;
exit 1;
esac
done
if [ "x$installdir" == "x" ]; then
echo "Required parameter install directory not specified.";
printUsage;
exit 1;
fi
if [ "x$dbserver" == "x" ]; then
dbserver=localhost;
fi
if [ "x$database" == "x" ]; then
database=Campcaster;
fi
if [ "x$dbuser" == "x" ]; then
dbuser=campcaster;
fi
if [ "x$www_root" == "x" ]; then
www_root=/var/www
fi
echo "Making post-uninstall steps for Campcaster.";
echo "";
echo "Using the following installation parameters:";
echo "";
echo " installation directory: $installdir";
echo " database server: $dbserver";
echo " database: $database";
echo " database user: $dbuser";
echo " apache document root: $www_root";
echo ""
#-------------------------------------------------------------------------------
# The details of installation
#-------------------------------------------------------------------------------
ls_dbserver=$dbserver
ls_dbuser=$dbuser
ls_database=$database
postgres_user=postgres
install_bin=$installdir/bin
install_etc=$installdir/etc
install_lib=$installdir/lib
install_tmp=$installdir/tmp
install_var=$installdir/var
#-------------------------------------------------------------------------------
# Function to check for the existence of an executable on the PATH
#
# @param $1 the name of the exectuable
# @return 0 if the executable exists on the PATH, non-0 otherwise
#-------------------------------------------------------------------------------
check_exe() {
if [ -x "`which $1 2> /dev/null`" ]; then
echo "Executable $1 found...";
return 0;
else
echo "Executable $1 not found...";
return 1;
fi
}
#-------------------------------------------------------------------------------
# Check to see if this script is being run as root
#-------------------------------------------------------------------------------
if [ `whoami` != "root" ]; then
echo "Please run this script as root.";
exit ;
fi
#-------------------------------------------------------------------------------
# Check for required tools
#-------------------------------------------------------------------------------
echo "Checking for required tools..."
check_exe "psql" || exit 1;
check_exe "odbcinst" || exit 1;
#-------------------------------------------------------------------------------
# Remove symlinks
#-------------------------------------------------------------------------------
echo "Removing symlinks...";
# remove symlink for the PHP pages in apache's document root
rm -f $www_root/campcaster
#-------------------------------------------------------------------------------
# Delete data files
#-------------------------------------------------------------------------------
echo "Deleting data files...";
rm -rf $installdir/var/htmlUI/var/html/img/*
rm -rf $installdir/var/htmlUI/var/templates_c/*
rm -rf $installdir/var/storageServer/var/stor/*
rm -rf $installdir/var/storageServer/var/access/*
rm -rf $installdir/var/storageServer/var/trans/*
rm -rf $installdir/var/archiveServer/var/stor/*
rm -rf $installdir/var/archiveServer/var/access/*
rm -rf $installdir/var/archiveServer/var/trans/*
#-------------------------------------------------------------------------------
# Remove the ODBC data source and driver
#-------------------------------------------------------------------------------
echo "Removing ODBC data source and driver...";
echo "Removing Campcaster ODBC data source...";
odbcinst -u -s -l -n $ls_database || exit 1;
echo "De-registering ODBC PostgreSQL driver...";
odbcinst -u -d -v -n PostgreSQL || exit 1;
#-------------------------------------------------------------------------------
# Remove the database user and the database itself
#-------------------------------------------------------------------------------
echo "Removing database and database user...";
if [ "x$ls_dbserver" == "xlocalhost" ]; then
su - $postgres_user -c "echo \"DROP DATABASE \\\"$ls_database\\\" \"\
| psql template1" \
|| echo "Couldn't drop database $ls_database.";
su - $postgres_user -c "echo \"DROP USER $ls_dbuser \"\
| psql template1" \
|| echo "Couldn't drop database user $ls_dbuser.";
else
echo "Unable to automatically drop database user and table for";
echo "remote database $ls_dbserver.";
echo "Make sure to drop database user $ls_dbuser on database server";
echo "at $ls_dbserver.";
echo "Also drop the database called $ld_database, owned by this user.";
echo "";
echo "The easiest way to achieve this is by issuing the following SQL";
echo "commands to PostgreSQL:";
echo "DROP DATABASE \"$ls_database\";";
echo "DROP USER $ls_dbuser;";
fi
# TODO: check for the success of these operations somehow
#-------------------------------------------------------------------------------
# Say goodbye
#-------------------------------------------------------------------------------
echo "Done."