38 lines
1.4 KiB
Bash
38 lines
1.4 KiB
Bash
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#!/usr/bin/env bash
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# ============================================================
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# 桃育种 Postgres 恢复（批3 备份容灾）
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# - pg_restore 恢复自定义格式（-Fc）备份
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# - 默认恢复 Temp/backup/ 最新一份，或显式指定 dump 文件
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# 用法: bash pg_restore.sh [dump_file]
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# 覆盖: DB_HOST/DB_PORT/DB_USER/DB_NAME/PGPASSWORD/BACKUP_DIR
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# 注意: --clean --if-exists 会先清空目标库同名对象，仅用于容灾恢复演练/重建。
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# ============================================================
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(cd "${SCRIPT_DIR}/../.." && pwd)"
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BACKUP_DIR="${BACKUP_DIR:-${PROJECT_ROOT}/Temp/backup}"
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DB_HOST="${DB_HOST:-localhost}"
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DB_PORT="${DB_PORT:-5432}"
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DB_USER="${DB_USER:-dpb}"
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DB_NAME="${DB_NAME:-dpb}"
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PGPASSWORD="${PGPASSWORD:-dpb}"
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export PGPASSWORD
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DUMP="${1:-}"
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if [ -z "${DUMP}" ]; then
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DUMP="$(ls -t "${BACKUP_DIR}"/pg_*.dump 2>/dev/null | head -1 || true)"
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fi
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if [ -z "${DUMP}" ] || [ ! -f "${DUMP}" ]; then
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echo "未找到备份文件: ${DUMP:-<none>}（指定文件或确认 Temp/backup/ 下有备份）" >&2
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exit 1
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fi
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if ! pg_restore -h "${DB_HOST}" -p "${DB_PORT}" -U "${DB_USER}" -d "${DB_NAME}" \
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--clean --if-exists --no-owner --no-privileges "${DUMP}" >/dev/null 2>&1; then
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echo "恢复失败: ${DUMP}" >&2
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exit 1
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fi
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echo "恢复完成: ${DUMP}"
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