18 lines
625 B
Bash
18 lines
625 B
Bash
#!/bin/sh
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set -eu
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umask 077
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if [ "$#" -ne 1 ] || [ ! -f "$1" ]; then
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echo "Aufruf: scripts/restore.sh backups/backup_YYYY-MM-DD_HHMM.sql.gz" >&2
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exit 1
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fi
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WORK=$(mktemp -d)
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trap 'rm -rf "$WORK"' EXIT
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trap 'exit 1' HUP INT TERM
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# Decompress completely before touching the target database. SQL errors roll
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# back the entire restore rather than leaving a partially restored database.
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gzip -dc "$1" > "$WORK/dump.sql"
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test -s "$WORK/dump.sql"
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docker compose exec -T db sh -c 'exec psql --single-transaction -v ON_ERROR_STOP=1 -U "$POSTGRES_USER" -d "$POSTGRES_DB"' < "$WORK/dump.sql"
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echo "Wiederherstellung abgeschlossen."
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