101 lines
2.7 KiB
Bash
Executable File
101 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
if [ -f /etc/default/pg_backup ] ; then
|
|
. /etc/default/pg_backup
|
|
else
|
|
N_DAYS_TO_SPARE=7
|
|
USE_NAGIOS=no
|
|
BUILD_DBLIST=yes
|
|
PG_USE_AUTH=yes
|
|
PG_PASS_FILE=/root/.pgpass
|
|
BACKUPDIR=/var/lib/pgsql/backups
|
|
DB_LIST=
|
|
fi
|
|
|
|
# Year month day - hour minute second
|
|
SAVE_TIME=$( date +%Y%m%d-%H%M%S )
|
|
TIMESTAMP=
|
|
RETVAL=0
|
|
#export LANG=C
|
|
HISTDIR=$BACKUPDIR/history
|
|
TIMESTAMP_LOG=$BACKUPDIR/.timestamp
|
|
# If nagios is active, save the report status for each backup
|
|
# Nagios return values: 0 = OK, 1 = WARNING, 2 = CRITICAL, 3 = UNKNOWN
|
|
NAGIOS_LOG=$BACKUPDIR/.nagios-status
|
|
|
|
if [ ! -d ${BACKUPDIR} ] ; then
|
|
mkdir -p ${BACKUPDIR}
|
|
fi
|
|
if [ ! -d ${HISTDIR} ] ; then
|
|
mkdir -p ${HISTDIR}
|
|
fi
|
|
LOCKFILE=${BACKUPDIR}/.dumplock
|
|
|
|
umask 0077
|
|
if [ "$BUILD_DBLIST" == "yes" ] ; then
|
|
# The psql -l command prints too much stuff
|
|
DB_LIST=$( psql -q -t -l -U postgres | grep -v template0 | grep -v template1 | grep -v : | grep -v ^\( | grep -v ^\- | awk '{print $1}' )
|
|
fi
|
|
|
|
if [ ! -f $LOCKFILE ] ; then
|
|
touch $LOCKFILE
|
|
if [ "$USE_NAGIOS" == "yes" ] ; then
|
|
> $NAGIOS_LOG
|
|
fi
|
|
if [ "${PG_USE_AUTH}" == "yes" -a ! -f $PG_PASS_FILE ] ; then
|
|
if [ "$USE_NAGIOS" == "yes" ] ; then
|
|
echo ".pgpass file not found, but authentication needed. All dbs: FAILED" >> $NAGIOS_LOG
|
|
fi
|
|
RETVAL=2
|
|
else
|
|
# Backup of the db system data
|
|
# pg_dumpall -U postgres -g > ${HISTDIR}/pgsql-global.data.$SAVE_TIME
|
|
# Dump all the databases
|
|
for db in $DB_LIST ; do
|
|
if [ "${PG_USE_AUTH}" == "yes" ] ; then
|
|
DB_IN_AUTFILE=$( grep :${db}: $PG_PASS_FILE )
|
|
DB_IN_AUTFILE_RETVAL=$?
|
|
if [ $DB_IN_AUTFILE_RETVAL -eq 0 ] ; then
|
|
PG_HOST=$( grep :${db}: $PG_PASS_FILE | cut -d : -f 1 )
|
|
PG_PORT=$( grep :${db}: $PG_PASS_FILE | cut -d : -f 2 )
|
|
PG_USER=$( grep :${db}: $PG_PASS_FILE | cut -d : -f 4 )
|
|
${PG_DUMP_BIN} -Fc -h $PG_HOST -p $PG_PORT -U $PG_USER $db > ${HISTDIR}/$db.data.$SAVE_TIME
|
|
DUMP_RESULT=$?
|
|
else
|
|
DUMP_RESULT=2
|
|
fi
|
|
else
|
|
${PG_DUMP_BIN} -Fc -U postgres $db > ${HISTDIR}/$db.data.$SAVE_TIME
|
|
DUMP_RESULT=$?
|
|
fi
|
|
|
|
if [ "$USE_NAGIOS" == "yes" ] ; then
|
|
if [ $DUMP_RESULT -ne 0 ] ; then
|
|
echo "$db:FAILED" >> $NAGIOS_LOG
|
|
RETVAL=$DUMP_RESULT
|
|
else
|
|
echo "$db:OK" >> $NAGIOS_LOG
|
|
fi
|
|
fi
|
|
pushd ${BACKUPDIR}/ >/dev/null 2>&1
|
|
rm -f $db.data
|
|
ln -s ${HISTDIR}/$db.data.$SAVE_TIME ./$db.data
|
|
popd >/dev/null 2>&1
|
|
done
|
|
fi
|
|
TIMESTAMP=$( date +%s )
|
|
echo "$TIMESTAMP" > $TIMESTAMP_LOG
|
|
rm -f $LOCKFILE
|
|
else
|
|
RETVAL=2
|
|
if [ "$USE_NAGIOS" == "yes" ] ; then
|
|
echo "old backup still running:WARNING" >> $NAGIOS_LOG
|
|
fi
|
|
fi
|
|
|
|
|
|
# Remove the old backups
|
|
find ${HISTDIR} -ctime +$N_DAYS_TO_SPARE -exec rm -f {} \;
|
|
|
|
exit $RETVAL
|