#!/bin/bash

# cron_backup.sh 
# version 0.1

########################################################################################################
# config part
# feel free to change it! because, there is big chance it will not work if you don't.
########################################################################################################


# if you are puzzled what to put here, just look at your booki/settings.py file
PGHOST=localhost    # hostname for postgresql connection
#PGPORT=            # port for postgresql connection
PGUSER=             # postgresql connection user
PGPASSWORD=         # postgresql connection password
PGDATABASE=         # postgresql connection database

DESTINATION=/tmp/   # where do you want to put your backup files

ADMIN_MAIL=root     # who will get mail when everything goes downhill

########################################################################################################
# config part
# probably no need to change this part
########################################################################################################

PGDUMP=pg_dump      # path to pg_dump if it is not in PATH.
                    # if you don't know what to do with this, just leave it as it is.

COMPRESS=gzip       # just in case your gzip is not in PATH.
		    # if you don't know what to do with this, just leave it as it is.

MAILUTILITY=mail    # just in case mail is not in PATH.
		    # if you don't know what to do with this, just leave it as it is.

STAMP=`date +%d-%b-%Y`   # for example: 12-Dec-2010
                         # this could be a problem if you want to make backup more then once per day.

########################################################################################################
# do not change this part
########################################################################################################

${PGDUMP} ${PGDATABASE} -b | ${COMPRESS} - > "${DESTINATION}/backup-${PGDATABASE}-${STAMP}.sql.gz"

if [ $? -ne 0 -o ${PIPESTATUS[0]} -ne 0 ]; then
   ${MAILUTILITY} -s "[ERROR] Could not finish backup" ${ADMIN_MAIL} <<MAILEND
Could not finish backup of database ${PGDATABASE}.
MAILEND
   exit 1
fi