sintonia/utils/createDatabase.sh

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#!/bin/bash
#-------------------------------------------------------------------------------
# Copyright (c) 2010 Sourcefabric O.P.S.
#
# This file is part of the Campcaster project.
# http://campcaster.sourcefabric.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
#
#-------------------------------------------------------------------------------
# This script creates the database used by Campcaster
#
# Invoke as:
# ./bin/createDatabase.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=$basedir/tmp
usrdir=$basedir/usr
#-------------------------------------------------------------------------------
# Print the usage information for this script.
#-------------------------------------------------------------------------------
printUsage()
{
echo "Campcaster scheduler database creation script.";
echo "parameters";
echo "";
echo " -D, --database The name of the Campcaster database.";
echo " [default: Campcaster]";
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 " -w, --dbpassword The database user password.";
echo " [default: campcaster]";
echo " -h, --help Print this message and exit.";
echo "";
}
#-------------------------------------------------------------------------------
# Process command line parameters
#-------------------------------------------------------------------------------
CMD=${0##*/}
opts=$(getopt -o D:hs:u:w: -l database:,dbserver:,dbuser:,dbpassword:,help, -n $CMD -- "$@") || exit 1
eval set -- "$opts"
while true; do
case "$1" in
-D|--database)
database=$2;
shift; shift;;
-h|--help)
printUsage;
exit 0;;
-s|--dbserver)
dbserver=$2;
shift; shift;;
-u|--dbuser)
dbuser=$2;
shift; shift;;
-w|--dbpassword)
dbpassword=$2;
shift; shift;;
--)
shift;
break;;
*)
echo "Unrecognized option $1.";
printUsage;
exit 1;
esac
done
if [ "x$dbserver" == "x" ]; then
dbserver=localhost;
fi
if [ "x$database" == "x" ]; then
database=Campcaster;
fi
if [ "x$dbuser" == "x" ]; then
dbuser=campcaster;
fi
if [ "x$dbpassword" == "x" ]; then
dbpassword=campcaster;
fi
echo "Creating database for Campcaster scheduler.";
echo "";
echo "Using the following parameters:";
echo "";
echo " database server: $dbserver";
echo " database: $database";
echo " database user: $dbuser";
echo " database user password: $dbpassword";
echo ""
#-------------------------------------------------------------------------------
# The details of installation
#-------------------------------------------------------------------------------
ls_dbserver=$dbserver
ls_dbuser=$dbuser
ls_dbpassword=$dbpassword
ls_database=$database
postgres_user=postgres
#-------------------------------------------------------------------------------
# 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 $1 not found...";
return 1;
fi
}
#-------------------------------------------------------------------------------
# Check to see if this script is being run as root
#-------------------------------------------------------------------------------
if [ `whoami` != "root" ]; then
echo "Please run this script as root.";
exit ;
fi
#-------------------------------------------------------------------------------
# Check for required tools
#-------------------------------------------------------------------------------
echo "Checking for required tools..."
check_exe "su" || exit 1;
check_exe "psql" || exit 1;
#-------------------------------------------------------------------------------
# Create the necessary database user and database itself
#-------------------------------------------------------------------------------
echo "Creating database and database user...";
# FIXME: the below might not work for remote databases
if [ "x$ls_dbserver" == "xlocalhost" ]; then
su - $postgres_user -c "echo \"CREATE USER $ls_dbuser \
ENCRYPTED PASSWORD '$ls_dbpassword' \
CREATEDB NOCREATEUSER;\" \
| psql template1" \
|| echo "Couldn't create database user $ls_dbuser.";
su - $postgres_user -c "echo \"CREATE DATABASE \\\"$ls_database\\\" \
OWNER $ls_dbuser ENCODING 'utf-8';\" \
| psql template1" \
|| echo "Couldn't create database $ls_database.";
else
echo "Unable to automatically create database user and table for";
echo "remote database $ls_dbserver.";
echo "Make sure to create database user $ls_dbuser with password";
echo "$ls_dbpassword on database server at $ls_dbserver.";
echo "Also create a 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 "CREATE USER $ls_dbuser";
echo " ENCRYPTED PASSWORD '$ls_dbpassword'";
echo " CREATEDB NOCREATEUSER;";
echo "CREATE DATABASE \"$ls_database\"";
echo " OWNER $ls_dbuser ENCODING 'utf-8';";
fi
# TODO: check for the success of these operations somehow
#-------------------------------------------------------------------------------
# Say goodbye
#-------------------------------------------------------------------------------
echo "Done."