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#!/usr/bin/env bash
set -euo pipefail
: "${AIGW_RESTORE_DATABASE_URL:?AIGW_RESTORE_DATABASE_URL must point to an isolated drill database}"
backup="${1:?usage: restore-drill.sh BACKUP.dump}"
[[ -f "$backup" && -f "$backup.sha256" ]] || { printf 'backup or checksum is missing\n' >&2; exit 2; }
sha256sum -c "$backup.sha256"
case "$AIGW_RESTORE_DATABASE_URL" in
*localhost*|*127.0.0.1*|*restore*|*drill*) ;;
*) printf 'refusing restore: target URL must visibly identify localhost, restore, or drill\n' >&2; exit 2 ;;
esac
pg_restore --dbname="$AIGW_RESTORE_DATABASE_URL" --clean --if-exists --no-owner "$backup"
psql "$AIGW_RESTORE_DATABASE_URL" -v ON_ERROR_STOP=1 -c "SELECT count(*) AS tenants FROM tenants; SELECT count(*) AS usage_events FROM usage_events; SELECT count(*) AS ledger_entries FROM billing_ledger;"
printf 'restore drill completed for %s\n' "$backup"
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