2026-06-08 00:03:53 +08:00
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#!/bin/bash
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# ============================================================
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# Hindsight 备份任务（每日 02:30 跑，cron 部署参考 crontab/）
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# - 热备份：docker exec pg_dump 落盘到 bind 挂载的 backups/
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# - 保留 7 天的 .sql.gz
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# ============================================================
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set -euo pipefail
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2026-06-08 03:28:26 +08:00
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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# shellcheck source=/dev/null
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source "${SCRIPT_DIR}/env.cfg"
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BACKUP_DIR="${Volumes_Path}/backups"
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2026-06-08 00:03:53 +08:00
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KEEP_DAYS=7
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TS=$(date +%Y%m%d_%H%M%S)
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FNAME="hindsight_db_${TS}.sql.gz"
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mkdir -p "${BACKUP_DIR}"
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docker exec hindsight-db pg_dump \
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-U hindsight_user \
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-d hindsight_db \
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--no-owner --no-privileges \
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| gzip > "${BACKUP_DIR}/${FNAME}"
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# 清理超过 KEEP_DAYS 天的旧备份
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find "${BACKUP_DIR}" -name "hindsight_db_*.sql.gz" -mtime +${KEEP_DAYS} -delete
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echo "[backup] ok: ${FNAME} ($(du -h "${BACKUP_DIR}/${FNAME}" | cut -f1))"
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