k8m

#!/bin/bash # 检查是否传入了必要的参数 if [ -z "$1" ] || [ -z "$2" ]; then echo "Usage: $0 <binary_name> <watch_directory>" exit 1 fi APP_NAME="$1" # 要监控的二进制文件名（如 demo） WATCH_PATH="$2" # 监控的目录（如 /app） APP_PATH="${WATCH_PATH}/${APP_NAME}" # 上传的新文件路径 CURRENT_PATH="${WATCH_PATH}/${APP_NAME}.current" # 运行中的文件路径 # 启动应用程序 start_app() { echo "Starting ${APP_NAME}..." mv "$APP_PATH" "$CURRENT_PATH" # 将新上传的文件重命名 chmod +x "$CURRENT_PATH" # 确保文件可执行 sleep 1 "$CURRENT_PATH" & APP_PID=$! echo "${APP_NAME} started with PID: $APP_PID" } # 停止应用程序 stop_app() { if [ -n "$APP_PID" ]; then echo "Stopping ${APP_NAME} with PID: $APP_PID" kill "$APP_PID" wait "$APP_PID" 2>/dev/null echo "${APP_NAME} stopped" fi } # 初次启动程序 start_app # 使用 inotifywait 监控 APP_PATH 的 close_write 事件，确保只在新的文件写入完成后触发 while true; do # 监听 close_write 事件，排除文件重命名的误触发 inotifywait -e close_write --exclude "${APP_NAME}.current" "$WATCH_PATH" sleep 1 # 检查是否是新的文件写入完成 if [ -f "$APP_PATH" ]; then echo "Detected new version of ${APP_NAME}, restarting..." # 删除旧文件并启动新程序 rm -f "$CURRENT_PATH" stop_app sleep 1 start_app fi done