80 lines
3.4 KiB
Plaintext
80 lines
3.4 KiB
Plaintext
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#!/bin/sh
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# /etc/init.d/S99archery
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# 系统启动时处理致命错误恢复（仅处理无法启动的情况）
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# 注意：应用的启动由系统自动启动机制处理（通过 auto_start.txt）
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# 功能：
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# 1. 处理致命错误（无法启动）- 恢复 main.py
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# 2. 如果重启次数超过阈值，恢复 main.py 并重启系统
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APP_DIR="/maixapp/apps/t11"
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MAIN_PY="$APP_DIR/main.py"
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PENDING_FILE="$APP_DIR/ota_pending.json"
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BACKUP_BASE="$APP_DIR/backups"
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# 进入应用目录
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cd "$APP_DIR" || exit 0
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# 检查 pending 文件，如果存在且超过重启次数，恢复 main.py（处理致命错误）
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if [ -f "$PENDING_FILE" ]; then
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echo "[S99] 检测到 ota_pending.json，检查重启计数..."
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# 尝试从JSON中提取重启计数（使用grep简单提取）
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RESTART_COUNT=$(cat "$PENDING_FILE" 2>/dev/null | grep -o '"restart_count":[0-9]*' | grep -o '[0-9]*' || echo "0")
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MAX_RESTARTS=$(cat "$PENDING_FILE" 2>/dev/null | grep -o '"max_restarts":[0-9]*' | grep -o '[0-9]*' || echo "3")
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if [ -n "$RESTART_COUNT" ] && [ "$RESTART_COUNT" -ge "$MAX_RESTARTS" ]; then
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echo "[S99] 检测到重启次数 ($RESTART_COUNT) 超过阈值 ($MAX_RESTARTS)，恢复 main.py..."
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# 尝试从JSON中提取备份目录
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BACKUP_DIR=$(cat "$PENDING_FILE" 2>/dev/null | grep -o '"backup_dir":"[^"]*"' | grep -o '/[^"]*' || echo "")
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if [ -n "$BACKUP_DIR" ] && [ -f "$BACKUP_DIR/main.py" ]; then
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# 使用指定的备份目录
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echo "[S99] 从备份目录恢复: $BACKUP_DIR/main.py"
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cp "$BACKUP_DIR/main.py" "$MAIN_PY" 2>/dev/null && echo "[S99] 已恢复 main.py"
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else
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# 查找最新的备份目录
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LATEST_BACKUP=$(ls -dt "$BACKUP_BASE"/backup_* 2>/dev/null | head -1)
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if [ -n "$LATEST_BACKUP" ] && [ -f "$LATEST_BACKUP/main.py" ]; then
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echo "[S99] 从最新备份恢复: $LATEST_BACKUP/main.py"
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cp "$LATEST_BACKUP/main.py" "$MAIN_PY" 2>/dev/null && echo "[S99] 已恢复 main.py"
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else
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# 如果没有备份目录，尝试使用 main.py.bak
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if [ -f "$APP_DIR/main.py.bak" ]; then
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echo "[S99] 从 main.py.bak 恢复"
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cp "$APP_DIR/main.py.bak" "$MAIN_PY" 2>/dev/null && echo "[S99] 已恢复 main.py"
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fi
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fi
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fi
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# 恢复后重置重启计数，避免循环恢复
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# 注意：不在这里删除 pending 文件，让 main.py 在心跳成功后删除
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# 但是重置重启计数，以便恢复后的版本可以重新开始计数
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python3 -c "
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import json, os
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try:
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pending_path = '$PENDING_FILE'
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if os.path.exists(pending_path):
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with open(pending_path, 'r', encoding='utf-8') as f:
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d = json.load(f)
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d['restart_count'] = 0 # 重置重启计数
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with open(pending_path, 'w', encoding='utf-8') as f:
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json.dump(d, f)
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print('[S99] 已重置重启计数为 0')
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except Exception as e:
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print(f'[S99] 重置重启计数失败: {e}')
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" 2>/dev/null || echo "[S99] 无法重置重启计数（可能需要Python支持）"
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echo "[S99] 已恢复 main.py，重启系统..."
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echo "[S99] 注意：pending 文件将在心跳成功后由 main.py 删除"
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sleep 2
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reboot
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exit 0
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fi
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fi
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# 不启动应用，让系统自动启动机制处理
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# 这个脚本只负责处理致命错误恢复
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exit 0
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