273 lines
8.9 KiB
Bash
Executable File
273 lines
8.9 KiB
Bash
Executable File
#!/bin/bash
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#-------------------------------------------------------------------------------
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# Copyright (c) 2010 Sourcefabric O.P.S.
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#
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# This file is part of the Campcaster project.
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# http://campcaster.sourcefabric.org/
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# To report bugs, send an e-mail to bugs@campware.org
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#
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# Campcaster is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# Campcaster is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Campcaster; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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#-------------------------------------------------------------------------------
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# This script makes post-uninstallation steps for Campcaster.
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#
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# Invoke as:
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# ./bin/postUninstall.sh
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#
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# To get usage help, try the -h option
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#-------------------------------------------------------------------------------
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#-------------------------------------------------------------------------------
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# Determine directories, files
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#-------------------------------------------------------------------------------
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reldir=`dirname $0`/..
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basedir=`cd $reldir; pwd;`
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bindir=$basedir/bin
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etcdir=$basedir/etc
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docdir=$basedir/doc
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tmpdir=$basedir/tmp
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#-------------------------------------------------------------------------------
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# Print the usage information for this script.
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#-------------------------------------------------------------------------------
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printUsage()
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{
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echo "Campcaster post-uninstall script.";
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echo "parameters";
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echo "";
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echo " -d, --directory The installation directory, required.";
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echo " -D, --database The name of the Campcaster database.";
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echo " [default: Campcaster]";
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echo " -r, --www-root The root directory for web documents served";
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echo " by apache [default: /var/www]";
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echo " -s, --dbserver The name of the database server host.";
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echo " [default: localhost]";
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echo " -u, --dbuser The name of the database user to access the"
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echo " database. [default: campcaster]";
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echo " -h, --help Print this message and exit.";
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echo "";
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}
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#-------------------------------------------------------------------------------
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# Process command line parameters
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#-------------------------------------------------------------------------------
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CMD=${0##*/}
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opts=$(getopt -o d:D:hr:s:u: -l database:,dbserver:,dbuser:,directory:,help,www-root: -n $CMD -- "$@") || exit 1
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eval set -- "$opts"
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while true; do
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case "$1" in
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-d|--directory)
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installdir=$2;
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shift; shift;;
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-D|--database)
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database=$2;
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shift; shift;;
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-h|--help)
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printUsage;
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exit 0;;
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-r|--www-root)
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www_root=$2;
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shift; shift;;
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-s|--dbserver)
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dbserver=$2;
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shift; shift;;
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-u|--dbuser)
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dbuser=$2;
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shift; shift;;
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--)
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shift;
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break;;
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*)
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echo "Unrecognized option $1.";
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printUsage;
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exit 1;
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esac
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done
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if [ "x$installdir" == "x" ]; then
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echo "Required parameter install directory not specified.";
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printUsage;
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exit 1;
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fi
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if [ "x$dbserver" == "x" ]; then
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dbserver=localhost;
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fi
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if [ "x$database" == "x" ]; then
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database=Campcaster;
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fi
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if [ "x$dbuser" == "x" ]; then
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dbuser=campcaster;
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fi
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if [ "x$www_root" == "x" ]; then
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www_root=/var/www
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fi
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echo "Making post-uninstall steps for Campcaster.";
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echo "";
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echo "Using the following installation parameters:";
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echo "";
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echo " installation directory: $installdir";
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echo " database server: $dbserver";
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echo " database: $database";
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echo " database user: $dbuser";
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echo " apache document root: $www_root";
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echo ""
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#-------------------------------------------------------------------------------
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# The details of installation
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#-------------------------------------------------------------------------------
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ls_dbserver=$dbserver
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ls_dbuser=$dbuser
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ls_database=$database
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postgres_user=postgres
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install_bin=$installdir/bin
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install_etc=$installdir/etc
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install_lib=$installdir/lib
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install_tmp=$installdir/tmp
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install_var=$installdir/var
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#-------------------------------------------------------------------------------
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# Function to check for the existence of an executable on the PATH
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#
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# @param $1 the name of the exectuable
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# @return 0 if the executable exists on the PATH, non-0 otherwise
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#-------------------------------------------------------------------------------
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check_exe() {
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if [ -x "`which $1 2> /dev/null`" ]; then
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echo "Executable $1 found...";
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return 0;
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else
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echo "Executable $1 not found...";
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return 1;
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fi
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}
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#-------------------------------------------------------------------------------
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# Check to see if this script is being run as root
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#-------------------------------------------------------------------------------
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if [ `whoami` != "root" ]; then
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echo "Please run this script as root.";
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exit ;
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fi
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#-------------------------------------------------------------------------------
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# Check for required tools
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#-------------------------------------------------------------------------------
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echo "Checking for required tools..."
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check_exe "psql" || exit 1;
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check_exe "odbcinst" || exit 1;
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#-------------------------------------------------------------------------------
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# Remove symlinks
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#-------------------------------------------------------------------------------
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echo "Removing symlinks...";
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# remove symlink for the PHP pages in apache's document root
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rm -f $www_root/campcaster
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#-------------------------------------------------------------------------------
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# Check whether the storage server directory has been replaced with a mount
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# point for an NFS share.
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#-------------------------------------------------------------------------------
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storagedir=$installdir/var/storageServer
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storage_is_local=yes
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if [ "`mount | grep -o \"on $storagedir \"`" = "on $storagedir " ]; then
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storage_is_local=no
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fi
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#-------------------------------------------------------------------------------
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# Delete data files
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#-------------------------------------------------------------------------------
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echo "Deleting data files...";
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rm -rf $installdir/var/htmlUI/var/html/img/*
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rm -rf $installdir/var/htmlUI/var/templates_c/*
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if [ "$storage_is_local" = "yes" ]; then
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rm -rf $installdir/var/storageServer/var/stor/*
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rm -rf $installdir/var/storageServer/var/access/*
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rm -rf $installdir/var/storageServer/var/trans/*
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fi
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rm -rf $installdir/var/archiveServer/var/stor/*
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rm -rf $installdir/var/archiveServer/var/access/*
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rm -rf $installdir/var/archiveServer/var/trans/*
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#-------------------------------------------------------------------------------
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# Remove the ODBC data source and driver
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#-------------------------------------------------------------------------------
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echo "Removing ODBC data source and driver...";
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echo "Removing Campcaster ODBC data source...";
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odbcinst -u -s -l -n $ls_database || exit 1;
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echo "De-registering ODBC PostgreSQL driver...";
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odbcinst -u -d -v -n PostgreSQL || exit 1;
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#-------------------------------------------------------------------------------
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# Remove the database user and the database itself
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#-------------------------------------------------------------------------------
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echo "Removing database and database user...";
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if [ "x$ls_dbserver" == "xlocalhost" ]; then
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su - $postgres_user -c "echo \"DROP DATABASE \\\"$ls_database\\\" \"\
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| psql template1" \
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|| echo "Couldn't drop database $ls_database.";
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su - $postgres_user -c "echo \"DROP USER $ls_dbuser \"\
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| psql template1" \
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|| echo "Couldn't drop database user $ls_dbuser.";
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else
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echo "Unable to automatically drop database user and table for";
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echo "remote database $ls_dbserver.";
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echo "Make sure to drop database user $ls_dbuser on database server";
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echo "at $ls_dbserver.";
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echo "Also drop the database called $ld_database, owned by this user.";
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echo "";
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echo "The easiest way to achieve this is by issuing the following SQL";
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echo "commands to PostgreSQL:";
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echo "DROP DATABASE \"$ls_database\";";
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echo "DROP USER $ls_dbuser;";
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fi
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# TODO: check for the success of these operations somehow
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#-------------------------------------------------------------------------------
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# Say goodbye
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#-------------------------------------------------------------------------------
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echo "Done."
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