OpenClaw Backup
56 lines
1.9 KiB
Bash
Executable File
56 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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# ============================================================================
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# 向量记忆增量备份脚本
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# 策略：每日一个快照，通过 rsync --link-dest 指向前一天快照
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# 文件内容未变时使用硬链接（不占额外空间）
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# 保留最近 14 个每日快照
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# ============================================================================
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set -e
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SOURCE="$HOME/.openclaw/memory/main.sqlite"
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BACKUP_DIR="$HOME/openclaw-backup/vector_memory/snapshots"
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TODAY=$(date +%Y%m%d)
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YESTERDAY=$(date -d "yesterday" +%Y%m%d)
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SNAPSHOT_TODAY="$BACKUP_DIR/$TODAY"
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SNAPSHOT_YESTERDAY="$BACKUP_DIR/$YESTERDAY"
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mkdir -p "$BACKUP_DIR"
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log() {
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] [vector_backup] $1"
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}
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# ---- 检查源文件 ----
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if [ ! -f "$SOURCE" ]; then
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log "ERROR: 源文件不存在 $SOURCE"
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exit 1
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fi
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# ---- 执行增量/全量备份 ----
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if [ -n "$SNAPSHOT_YESTERDAY" ] && [ -d "$SNAPSHOT_YESTERDAY" ]; then
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# 有昨天快照：增量硬链接
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mkdir -p "$SNAPSHOT_TODAY"
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rsync -a --link-dest="$SNAPSHOT_YESTERDAY" "$SOURCE" "$SNAPSHOT_TODAY/main.sqlite"
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log "增量备份完成 → $SNAPSHOT_TODAY/main.sqlite ($(du -h "$SNAPSHOT_TODAY/main.sqlite" | cut -f1))"
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else
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# 无昨天快照（首次或跨天后首次）：全量
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mkdir -p "$SNAPSHOT_TODAY"
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cp "$SOURCE" "$SNAPSHOT_TODAY/main.sqlite"
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log "全量备份完成 → $SNAPSHOT_TODAY/main.sqlite ($(du -h "$SNAPSHOT_TODAY/main.sqlite" | cut -f1))"
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fi
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# ---- 清理 14 天前的快照 ----
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SNAP_COUNT=$(ls -d "$BACKUP_DIR"/20* 2>/dev/null | wc -l)
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if [ "$SNAP_COUNT" -gt 14 ]; then
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ls -dt "$BACKUP_DIR"/20* | tail -n +15 | xargs -r rm -rf
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log "已清理 14 天前的旧快照"
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fi
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# ---- 打印当前快照列表 ----
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log "当前每日快照（共 $SNAP_COUNT 个）:"
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for d in $(ls -dt "$BACKUP_DIR"/20* 2>/dev/null); do
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log " $(basename $d) ($(du -sh "$d" | cut -f1))"
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done
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log "总磁盘占用: $(du -sh "$BACKUP_DIR" | cut -f1)"
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