わたしの部屋

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⚠️ 备份异常｜<SERVER1_ALIAS>
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<SERVER1_INSTANCE>
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数据库快照不存在：/var/backups/db/maibot.sqlite.gz
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📌 快照：<SNAPSHOT_ID>
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摘要
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时间  05-25 03:58 CST
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耗时  1 分钟
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上传  32.5 MiB / 17.9 MiB
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总量  438.59 MiB
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变化  +57 / ~67

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sudo ls -lh /var/backups/db

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total 11G
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-rw------- 1 root root 2.6G May 23 21:36 maibot-2026-05-23.sqlite
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-rw------- 1 root root 2.6G May 24 18:36 maibot-2026-05-24.sqlite
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-rw------- 1 root root 2.6G May 25 10:58 maibot-2026-05-25.sqlite
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-rw------- 1 root root 2.6G May 25 10:57 maibot.sqlite

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digraph ResticBackupSystem {
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  // 基础渲染与中文支持优化 (完美解决字体与字重问题)
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  fontname="Microsoft YaHei,Helvetica,Arial,sans-serif";
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  node [fontname="Microsoft YaHei,Helvetica,Arial,sans-serif", fontsize=10];
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  edge [fontname="Microsoft YaHei,Helvetica,Arial,sans-serif", fontsize=9];
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  // 整体画布属性 (优雅米白色背景与大间距布局)
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  rankdir=TB;
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  bgcolor="#fdfdfd";
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  label="多节点 Restic 备份及通信系统拓扑图 (DOT 建模)";
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  labelloc="t";
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  fontsize=14;
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  nodesep=0.7; // 增加节点间横向间距，防文字挤压
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  ranksep=0.9; // 增加层级间纵向间距，留出线段空间
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  // ===== 第一层：异构服务器集群 (水平同排对齐，极简现代圆角) =====
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  subgraph cluster_servers {
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    style=filled;
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    color="#e2e8f0";
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    fillcolor="#f8fafc";
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    label="五节点异构服务器集群";
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    labelloc="t";
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    fontsize=11;
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    margin=20; // 内部充足留白
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    // 水平一字排开，按业务流动排序：S1,S3 (左) | S4 (中) | S2,S5 (右)
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    { rank=same; s1; s3; s4; s2; s5; }
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    s1 [label="Server 1\n(snowluma)", shape=box, style="filled,rounded", fillcolor="#ffffff", color="#64748b", penwidth=1.5];
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    s3 [label="Server 3\n(MaiBot)", shape=box, style="filled,rounded", fillcolor="#ffffff", color="#3b82f6", penwidth=2.0];
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    s4 [label="Server 4\n(new-api)", shape=box, style="filled,rounded", fillcolor="#ffffff", color="#64748b", penwidth=1.5];
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    s2 [label="Server 2\n(MyBlog)", shape=box, style="filled,rounded", fillcolor="#ffffff", color="#64748b", penwidth=1.5];
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    s5 [label="Server 5\n(Aliyun)", shape=box, style="filled,rounded", fillcolor="#ffffff", color="#ef4444", penwidth=1.5];
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  }
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  // ===== 第二层：备份仓库 与 报警接收端 (左右调换，彻底解开交叉死结) =====
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  { rank=same; do_spaces; tg_bot; }
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  // 备份仓库 (左侧)
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  subgraph cluster_cloud {
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    style=filled;
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    color="#e0f2fe";
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    fillcolor="#f0f9ff";
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    label="云端加密备份仓库";
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    labelloc="b";
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    fontsize=11;
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    margin=15;
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    do_spaces [label="DO Spaces S3 仓库", shape=cylinder, style=filled, fillcolor="#ffffff", color="#0288d1", penwidth=2];
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  }
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  // 报警接收端 (右侧)
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  tg_bot [label="Telegram 报警机器人", shape=box, style="filled,rounded", fillcolor="#e6fffa", color="#0d9488", penwidth=2, margin="0.2,0.1"];
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  // ===== 核心业务数据与指令流 =====
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  // S1 <=> S3 双向协议流 (同在左侧，近距离垂直无干扰)
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  s1 -> s3 [dir=both, label="QQ 消息 & Agent 指令", color="#f59e0b", penwidth=1.5, fontcolor="#d97706"];
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  // S5 -> S2 SSH 消息隧道中继 (同在右侧，近距离水平无干扰)
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  s5 -> s2 [label="受限 SSH 隧道", color="#ef4444", style=dashed, penwidth=1.5, fontcolor="#ef4444"];
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  // ===== 备份上传数据流 (全部投射至左侧，避开右侧报警) =====
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  s1 -> do_spaces [color="#3b82f6", style=dashed, penwidth=1.0];
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  s2 -> do_spaces [color="#3b82f6", style=dashed, penwidth=1.0];
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  s3 -> do_spaces [color="#16a34a", label="2.6G SQLite 去重快照", penwidth=2.0, fontcolor="#15803d"];
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  s4 -> do_spaces [color="#2563eb", label="pg_dumpall 增量", penwidth=1.5, fontcolor="#1d4ed8"];
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  s5 -> do_spaces [color="#3b82f6", style=dashed, penwidth=1.0];
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  // ===== 监控报警通知流 (全部投射至右侧，避开左侧备份) =====
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  s1 -> tg_bot [color="#0d9488", style=dashed, penwidth=1.0];
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  s3 -> tg_bot [color="#0d9488", style=dashed, penwidth=1.0];
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  s4 -> tg_bot [color="#009688", style=dashed, penwidth=1.0];
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  s2 -> tg_bot [label="直连 / 代理中继", color="#0d9488", penwidth=1.5, fontcolor="#0f766e"];
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}