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Re: pg_restore test procedures (a bit OT)

From: "Phillip Smith" <phillip(dot)smith(at)weatherbeeta(dot)com(dot)au>
To: "'Glyn Astill'" <glynastill(at)yahoo(dot)co(dot)uk>,<pgsql-admin(at)postgresql(dot)org>
Subject: Re: pg_restore test procedures (a bit OT)
Date: 2008-05-19 00:05:03
Message-ID: 003401c8b944$03e827c0$9b0014ac@wbaus090 (view raw or flat)
Thread:
Lists: pgsql-admin
> I was just wondering if anyone has any clever way of testing their backups
taken with pg_dump on a daily basis?
I have a daily bash script to backup of one of my databases to file, then
file to tape, which I test restore once per week. I've changed some of my
variables to hard-coded strings to make it shorter and easier to understand
at a quick read. Yes I know it's kinda fschked but it's working atm. I'll
tidy it up eventually....

<snip>
if [ "$DAY" = "Mon" ] ; then
	echo "Test restoring database..." >> $LOG_FILE

	if [ 1 -eq 1 ] ; then
		# Debugging
		$ECHO "Restoring from:           ${BACKUP_PATH}"
		$ECHO "Restoring to Directory:   ${TMPDNAME}"
		$ECHO "Restore Database:         ${DBNAME}${DATESTRING}"
		$ECHO "Restore Source File:      ${TMPFILE}"
	fi

	echo -n "Extracting database dump from tape... "
	tar xf /dev/st0 --directory /tmp
	if [ $? -ne 0 ] ; then
		echo "FAIL"
		echo "   Failed to Restore from /dev/st0 to /tmp/" >>
$LOG_FILE
		SHOW_ERR=true
	fi

	if [ ${SHOW_ERR} != true ] ; then
		### Note: $DATESTRING = yymmdd (eg. 080519)
		echo "Creating new database ${DBNAME}${DATESTRING}" >>
$LOG_FILE
		/usr/local/bin/psql --command "CREATE DATABASE
${DBNAME}${DATESTRING} ENCODING = 'SQL_ASCII';" > /dev/null
		if [ $? -eq 0 ] ; then
			echo "Restoring /tmp/psqldump.sql.502 to
${DBNAME}${DATESTRING}" >> $LOG_FILE
			/usr/local/bin/psql ${DBNAME}${DATESTRING} <
/tmp/psqldump.sql.502
		else
			echo "Failed to Create Database!" >> $LOG_FILE
			SHOW_ERR=true
		fi
	fi
Fi
</snip>

> su - $PGUSER -c "pg_restore -h localhost -U postgres --disable-triggers -c
-d $database $backup_dir/$server-$database-data.gz" >> $logfile
> or 
> su - $PGUSER -c "pg_restore -h localhost -U postgres --disable-triggers -c
-d $database $backup_dir/$server-$database-data.gz >> $logfile"

Perhaps something like this: (it's Monday morning, so I might be suggesting
something stupid)
LOG=`su - $PGUSER -c "pg_restore -h localhost -U postgres --disable-triggers
-c -d $database $backup_dir/$server-$database-data.gz"`
echo $LOG >> $logfile


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Next:From: Glyn AstillDate: 2008-05-19 11:03:28
Subject: Re: pg_restore test procedures (a bit OT)
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Subject: Re: Global / cluster-wide functions

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