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59 lines
1.7 KiB
59 lines
1.7 KiB
#!/usr/bin/env sh
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# Usage:
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# postgres_backup.sh [man] //Manual backup
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# postgres_backup.sh auto //Auto backup (separate backup location)
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# postgres_backup.sh [auto|man] debug //Outputs success messages to STDOUT
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# CONFIG
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### Example Config File ############
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###
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### PORT=5432
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### DIR=/var/lib/pgsql/backup
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### COMPRESSION=zstd
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### COMP_LEVEL=14
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### THREADS=2
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###
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####################################
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source ${HOME}/.postgres_backup.conf
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# END CONFIG
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## Check if automated, set appropriate directory
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[ "$1" = "auto" ] && DIR=${DIR}/auto || DIR=${DIR}/manual
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## Set date for timestamp
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DATE=$(date +%Y%m%d-%H%M)
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## Get list of DBs
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list_db=$(psql -p${PORT} -U postgres -t -c 'select datname from pg_database;' | grep -v 'template0\|template1\|postgres' | sed '/^$/d')
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case $COMPRESSION in
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xz)
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[ "$2" = "debug" ] && echo "Backed up globals using $COMPRESSION -${COMP_LEVEL}"
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pg_dumpall -p${PORT} -g | xz -T${THREADS} -${COMP_LEVEL} - > ${DIR}/globals_${DATE}.dmp.xz
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[ "$2" = "debug" ] && echo "Starting DB dump loop..."
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for db in $list_db; do
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pg_dump -O $db | xz -T${THREADS} -${COMP_LEVEL} - > ${DIR}/${db}-${DATE}.dmp.xz
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[ "$2" = "debug" ] && echo "Backed up $db using $COMPRESSION -${COMP_LEVEL}"
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done
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;;
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zstd)
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[ "$2" = "debug" ] && echo "Backed up globals using $COMPRESSION -${COMP_LEVEL}"
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pg_dumpall -p${PORT} -g | zstd -T${THREADS} -${COMP_LEVEL} -z - > ${DIR}/globals_${DATE}.dmp.zst
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[ "$2" = "debug" ] && echo "Starting DB dump loop..."
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for db in $list_db; do
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pg_dump -O $db | zstd -T${THREADS} -${COMP_LEVEL} -z - > ${DIR}/${db}-${DATE}.dmp.zst
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[ "$2" = "debug" ] && echo "Backed up $db using $COMPRESSION -${COMP_LEVEL}"
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done
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;;
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*)
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echo "ERROR 11: Compression not configured correctly!" >2
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exit 11
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;;
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esac
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exit 0
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