88 lines
1.9 KiB
PL/PgSQL
88 lines
1.9 KiB
PL/PgSQL
#!/bin/sh
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#
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# $Id: 502.pgsql.in,v 1.17 2001/10/29 10:12:32 henrik Exp $
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#
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# Maintenance shell script to vacuum and backup database
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# Put this in /usr/local/etc/periodic/daily, and it will be run
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# every night
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#
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# Written by Palle Girgensohn <girgen@partitur.se>
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#
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# In public domain, do what you like with it,
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# and use it at your own risk... :)
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#
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############################
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# arguments to pg_dump
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PGDUMP_ARGS="-b -F c"
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# the directory where the backups will reside
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# ${HOME} is pgsql's home directory
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PGBACKUPDIR=${HOME}/backups
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# some data is amazingly more compressed with bzip2, esp. blobs, it seems
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# if your're short on diskspace, give it a try and set USEBZIP=yes
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USEBZIP=no
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############################
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DIR=`dirname $0`
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progname=`basename $0`
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PRG=`cd $DIR; pwd `/$progname
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# Run as user pgsql
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if [ `id -un` != pgsql ]; then
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su -l pgsql -c ${PRG}
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exit $?
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fi
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if [ X${USEBZIP} = Xyes ]; then
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BZIP=`which bzip2 || echo true`
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else
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BZIP=true
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fi
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# PGBACKUPDIR must be writeable by user pgsql
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# ~pgsql is just that under normal circumstances,
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# but this might not be where you want the backups...
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if [ ! -d ${PGBACKUPDIR} ] ; then
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echo Creating ${PGBACKUPDIR}
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mkdir ${PGBACKUPDIR}
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chmod 700 ${PGBACKUPDIR}
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fi
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echo
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echo "PostgreSQL maintenance"
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# Protect the data
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umask 077
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dbnames=`psql -q -t -A -d template1 -c "SELECT datname FROM pg_database WHERE datname != 'template0'"`
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rc=$?
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for db in ${dbnames}; do
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echo -n " $db"
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file=${PGBACKUPDIR}/pgdump_${db}_`date "+%Y%m%d"`
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pg_dump ${PGDUMP_ARGS} -d $db -f ${file}
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[ $? -gt 0 ] && rc=3
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${BZIP} ${file}
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done
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if [ $rc -gt 0 ]; then
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echo
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echo "Errors were reported during backup."
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fi
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echo
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echo "vacuuming..."
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vacuumdb -a -z -q
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if [ $? -gt 0 ]
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then
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echo
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echo "Errors were reported vacuum."
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rc=3
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fi
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# cleaning up old data
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find ${PGBACKUPDIR} \( -name 'pgdump_*'.${GZIPEXT} -o -name 'pgdumpall_*'.${GZIPEXT} \) \
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-a -atime +7 -delete
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exit $rc
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