{
  "name": "備份驗證與還原測試",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "cronExpression",
              "expression": "0 4 * * 0"
            }
          ]
        }
      },
      "id": "schedule",
      "name": "每週日 04:00",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [240, 300]
    },
    {
      "parameters": {
        "command": "#!/bin/bash\nset -e\n\n# 備份驗證腳本\nBACKUP_DIR=\"/home/wooo/backups/postgres\"\nTEST_DB=\"momo_backup_test\"\nREPORT=\"\"\n\n# 1. 找到最新備份\nLATEST_BACKUP=$(ls -t ${BACKUP_DIR}/*.sql.gz 2>/dev/null | head -1)\n\nif [ -z \"$LATEST_BACKUP\" ]; then\n  echo '{\"success\": false, \"error\": \"找不到備份檔案\"}'\n  exit 1\nfi\n\nBACKUP_DATE=$(stat -c %Y \"$LATEST_BACKUP\" 2>/dev/null || stat -f %m \"$LATEST_BACKUP\")\nBACKUP_SIZE=$(ls -lh \"$LATEST_BACKUP\" | awk '{print $5}')\n\n# 2. 建立測試資料庫\nkubectl exec -n momo momo-postgres-0 -- psql -U momo -c \"DROP DATABASE IF EXISTS ${TEST_DB};\" 2>/dev/null || true\nkubectl exec -n momo momo-postgres-0 -- psql -U momo -c \"CREATE DATABASE ${TEST_DB};\" 2>/dev/null\n\n# 3. 還原備份到測試資料庫\ngunzip -c \"$LATEST_BACKUP\" | kubectl exec -i -n momo momo-postgres-0 -- psql -U momo -d ${TEST_DB} 2>/dev/null\n\n# 4. 驗證還原結果\nTABLE_COUNT=$(kubectl exec -n momo momo-postgres-0 -- psql -U momo -d ${TEST_DB} -t -c \\\n  \"SELECT COUNT(*) FROM information_schema.tables WHERE table_schema = 'public';\" 2>/dev/null | tr -d ' ')\n\nPRODUCT_COUNT=$(kubectl exec -n momo momo-postgres-0 -- psql -U momo -d ${TEST_DB} -t -c \\\n  \"SELECT COUNT(*) FROM products;\" 2>/dev/null | tr -d ' ' || echo '0')\n\n# 5. 清理測試資料庫\nkubectl exec -n momo momo-postgres-0 -- psql -U momo -c \"DROP DATABASE IF EXISTS ${TEST_DB};\" 2>/dev/null\n\n# 6. 輸出結果\necho \"{\n  \\\"success\\\": true,\n  \\\"backupFile\\\": \\\"$(basename $LATEST_BACKUP)\\\",\n  \\\"backupSize\\\": \\\"${BACKUP_SIZE}\\\",\n  \\\"tableCount\\\": ${TABLE_COUNT:-0},\n  \\\"productCount\\\": ${PRODUCT_COUNT:-0},\n  \\\"verifiedAt\\\": \\\"$(date -Iseconds)\\\"\n}\"",
        "cwd": "/home/wooo"
      },
      "id": "verify-backup",
      "name": "驗證備份",
      "type": "n8n-nodes-base.executeCommand",
      "typeVersion": 1,
      "position": [460, 300],
      "continueOnFail": true
    },
    {
      "parameters": {
        "jsCode": "const output = $input.first().json.stdout || '';\nconst stderr = $input.first().json.stderr || '';\nconst exitCode = $input.first().json.exitCode;\nconst now = new Date().toLocaleString('zh-TW', { timeZone: 'Asia/Taipei' });\n\nlet result;\ntry {\n  result = JSON.parse(output.trim());\n} catch (e) {\n  result = { success: false, error: stderr || output };\n}\n\nlet message = '';\nif (result.success) {\n  message = `✅ <b>每週備份驗證成功</b>\\n\\n`;\n  message += `📁 備份檔案: ${result.backupFile}\\n`;\n  message += `📊 檔案大小: ${result.backupSize}\\n`;\n  message += `📋 資料表數: ${result.tableCount}\\n`;\n  message += `📦 商品數量: ${result.productCount}\\n`;\n  message += `⏰ 驗證時間: ${now}`;\n} else {\n  message = `🔴 <b>備份驗證失敗</b>\\n\\n`;\n  message += `❌ 錯誤: ${result.error || '未知錯誤'}\\n`;\n  message += `⏰ 時間: ${now}`;\n}\n\nreturn [{ json: { success: result.success, message } }];"
      },
      "id": "process-result",
      "name": "處理結果",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [680, 300]
    },
    {
      "parameters": {
        "url": "https://api.telegram.org/bot<TELEGRAM_BOT_TOKEN>/sendMessage",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={\n  \"chat_id\": \"5619078117\",\n  \"parse_mode\": \"HTML\",\n  \"text\": \"{{ $json.message }}\"\n}",
        "options": {}
      },
      "id": "telegram",
      "name": "發送報告",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [900, 300]
    }
  ],
  "connections": {
    "每週日 04:00": {
      "main": [
        [{ "node": "驗證備份", "type": "main", "index": 0 }]
      ]
    },
    "驗證備份": {
      "main": [
        [{ "node": "處理結果", "type": "main", "index": 0 }]
      ]
    },
    "處理結果": {
      "main": [
        [{ "node": "發送報告", "type": "main", "index": 0 }]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  },
  "staticData": null,
  "tags": [],
  "triggerCount": 0,
  "updatedAt": "2026-02-07T17:00:00.000Z",
  "versionId": "1"
}