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#!/bin/bash
export PGUSER=postgres
pg_databases() { echo "SELECT datname FROM pg_catalog.pg_database" | psql -At }
dbs=$(pg_databases)
mkdir -p /var/backups/pg/ for db in $dbs; do if [[ "$db" == "template"* || "$db" == "postgres" ]]; then continue fi for exclude_db in $exclude_dbs; do if [ "$exclude_db" == "$db" ]; then echo "No backup for database $db as it is listed in 'exclude-dbs'." continue 2 fi done dst=/var/backups/pg/$db.sql.gz (( start = SECONDS )) echo "Dumping database $db..." >&2 pg_dump -Ox "$db" | gzip --rsyncable > "$dst.inprogress" errlvl="${PIPESTATUS[0]}" ## Atomic replace (( elapsed = SECONDS - start )) if [ "$errlvl" != "0" ]; then echo " !! Error when dumping database $db." >&2 rm "$dst.inprogress" else mv "$dst.inprogress" "$dst" printf " ..dumped %-35s (%12s in %10s)\n" "${dst##*/}" "$(du -sh "$dst" | cut -f 1)" "${elapsed}s" >&2 fi done
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