PostgreSQL用Backupスクリプト

pg_dump.sh

#/bin/sh

# PostgreSQL database backup script
# Version 1.1 [Apr. 17, 2002] Add routine: deleting exipired files.
# Version 1.0 [Sep. 10, 2002] First release.

# * Feature
# Dump to DATABASE_NAME_YYMMDD.pgdmp.
# Delete expired pgdmp file.
# Output log.

# Setting
PATH="$PATH":/usr/local/pgsql/bin
PG=/usr/local/pgsql
export LD_LIBRARY_PATH="$LD_LIBRARY_PATH":$PG/lib
export PGLIB=$PG/lib
export PGDATA=$PG/data

# Get all DB name
TARGET_DB=`psql -l -P format=unaligned -P fieldsep=, -P tuples_only |perl -F, -lane "if (@F[0] ne 'template0') {print @F[0]}"`

DIR=/backup/postgres
LOG=$DIR/pgdump.log
BACKUPDIR=$DIR/dbbackup
EXPIRE_DAY=14

# Main routine
echo "pg_dump start." `date` >>$LOG
date=`date +%Y%m%d`

for db_name in $TARGET_DB
do
  DUMP_FILE_PATH=$BACKUPDIR/${db_name}_${date}.pgdmp
  /usr/local/pgsql/bin/pg_dump $db_name -b -o -Fc > $DUMP_FILE_PATH 2>>$LOG
  echo "Database $db_name backup complete." `date` >>$LOG
done

echo "pg_dump complete." `date` >>$LOG

echo "Delete expired pgdmp file start." `date` >>$LOG
find $BACKUPDIR -type f -daystart -mtime +$EXPIRE_DAY |xargs /bin/rm -f
echo "Delete expired pgdmp file complete." `date` >>$LOG