32f57732fe
refactor(common/cool/coolconfig): 修改RPC配置字段类型 将RPC字段从uint16类型更改为string类型的Address字段， 以支持更灵活的地址配置。同时更新了配置初始化逻辑， 从server.rpc改为server.address作为配置键。 ```
578 lines
17 KiB
Go
578 lines
17 KiB
Go
package middleware
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import (
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"blazing/modules/config/model"
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config "blazing/modules/config/service"
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"bufio"
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"context"
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"crypto/rand"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io"
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"net"
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"strings"
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"sync/atomic"
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"time"
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"github.com/gogf/gf/v2/os/glog"
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"github.com/gogf/gf/v2/util/grand"
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"github.com/lxzan/gws"
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"golang.org/x/crypto/ssh"
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)
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const (
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PingInterval = 10 * time.Second
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defaultWorkDir = "$HOME" // 全环境兼容
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randomStrLength = 4 // 缩短随机串长度
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cmdTimeout = 120 * time.Second // 延长超时（适配Screen安装+下载）
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)
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// SSHConfig SSH连接配置
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type SSHConfig struct {
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ServerIP string `json:"server_ip"`
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Port string `json:"port"`
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Username string `json:"username"`
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Password string `json:"password"`
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}
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// WebSSHMessage 消息结构
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type WebSSHMessage struct {
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Type string `json:"type"`
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Payload string `json:"payload"`
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}
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// TerminalSession 会话结构体（优化通道）
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type TerminalSession struct {
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WebSocket *gws.Conn
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SSHClient *ssh.Client
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SSHSession *ssh.Session
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Stdin io.WriteCloser
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Stdout io.Reader
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Ready bool
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outputBuf chan string // 增大通道缓存
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closed atomic.Bool
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}
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type ServerHandler struct {
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gws.BuiltinEventHandler
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session *TerminalSession
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model.ServerList
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isinstall uint32
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target net.Conn
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}
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// 生成随机文件名
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func (s *ServerHandler) generateRandomFileName() string {
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randBytes := make([]byte, randomStrLength)
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_, err := rand.Read(randBytes)
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if err != nil {
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return fmt.Sprintf("logic_%d", time.Now().UnixNano())
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}
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randStr := hex.EncodeToString(randBytes)
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timestamp := time.Now().Format("20060102150405")
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return fmt.Sprintf("logic_%s_%s", timestamp, randStr)
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}
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// 执行脚本命令
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func (s *ServerHandler) executeScript(scriptContent, scriptName string) (string, error) {
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if s.session == nil || s.session.closed.Load() || !s.session.Ready {
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return "", fmt.Errorf("session not ready")
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}
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// 生成临时脚本路径
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scriptPath := fmt.Sprintf("/tmp/%s.sh", scriptName)
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// 直接将脚本内容写入文件
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writeScriptCmd := fmt.Sprintf("cat > '%s' << 'DEPLOYMENT_SCRIPT_END'\n%s\nDEPLOYMENT_SCRIPT_END\n", scriptPath, scriptContent)
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_, err := s.session.Stdin.Write([]byte(writeScriptCmd))
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if err != nil {
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return "", err
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}
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// 等待一会儿确保脚本写入完成
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time.Sleep(time.Second)
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// 设置执行权限
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_, err = s.session.Stdin.Write([]byte(fmt.Sprintf("chmod +x %s\n", scriptPath)))
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if err != nil {
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return "", err
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}
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// 等待权限设置完成
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time.Sleep(time.Second)
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// 执行脚本并将输出发送到WebSocket（在命令中直接删除脚本文件）
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executeCmd := fmt.Sprintf("bash %s 2>&1; rm -f %s\n", scriptPath, scriptPath)
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_, err = s.session.Stdin.Write([]byte(executeCmd))
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if err != nil {
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return "", err
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}
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// 读取脚本执行输出
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output := ""
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done := make(chan bool)
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go func() {
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defer func() {
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if r := recover(); r != nil {
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glog.Error(context.Background(), "Script execution goroutine panic:", r)
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}
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}()
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scanner := bufio.NewScanner(s.session.Stdout)
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for scanner.Scan() {
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line := scanner.Text()
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// 检测到脚本执行完成标记则退出
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if strings.Contains(line, "#SCRIPT_EXECUTION_COMPLETE#") {
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break
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}
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// 忽略一些可能导致连接断开的输出
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if strings.Contains(line, "logout") || strings.Contains(line, "exit") {
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continue
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}
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output += line + "\n"
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s.sendTerminalOutput(s.session.WebSocket, line)
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}
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done <- true
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}()
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// 等待脚本执行完成或超时
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select {
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case <-done:
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return strings.TrimSpace(output), nil
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case <-time.After(cmdTimeout):
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return strings.TrimSpace(output), nil
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}
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}
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func (s *ServerHandler) executeFullDeployment() error {
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s.sendTerminalOutput(s.session.WebSocket, "开始执行完整自动化部署流程...")
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// 1. 获取并校验下载链接
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filename := config.NewServerService().GetFile()
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fileURL := "http://sun.72wo.cn/" + filename
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fileURL = strings.TrimSpace(fileURL)
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if fileURL == "" {
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return fmt.Errorf("下载链接为空")
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}
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// 前置校验：确保链接是合法的URL（包含http/https）
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if !strings.HasPrefix(fileURL, "http://") && !strings.HasPrefix(fileURL, "https://") {
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return fmt.Errorf("下载链接格式非法，缺少http/https协议：%s", fileURL)
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}
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s.sendTerminalOutput(s.session.WebSocket, fmt.Sprintf("【前置检查】有效下载链接：%s", fileURL))
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// 2. 生成目标文件路径
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randomFileName := s.generateRandomFileName()
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remoteExePath := fmt.Sprintf("%s/%s", defaultWorkDir, randomFileName)
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remoteWorkDir := defaultWorkDir
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onlineID := fmt.Sprintf("%d", s.ServerList.OnlineID)
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fixedScreenSession := "logic"
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// 3. 定义部署脚本（给每个%s加唯一标记，方便核对）
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deploymentScriptTpl := `
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set -e
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set -x
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# ===== 检查并安装screen =====
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echo "检查Screen是否已安装..."
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if command -v screen &> /dev/null; then
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echo "=== Screen已安装，跳过 ==="
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else
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echo "=== Screen未安装，开始安装 ==="
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if command -v apt &> /dev/null; then
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apt update -y && apt install -y screen
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elif command -v yum &> /dev/null; then
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yum install -y screen
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elif command -v dnf &> /dev/null; then
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dnf install -y screen
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elif command -v pacman &> /dev/null; then
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pacman -S --noconfirm screen
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else
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echo "❌ 不支持的包管理器，无法安装Screen"
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exit 1
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fi
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command -v screen || { echo "❌ Screen安装失败"; exit 1; }
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fi
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#!/bin/bash
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# 核心：无任何可能阻塞的命令，全程实时输出，100%不卡住 + 彻底清理所有logic会话
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set -euo pipefail
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# ===== 仅需配置这1个变量 =====
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SCREEN_NAME="logic"
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# ===== 颜色输出函数（确保能看到输出）=====
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red() { echo -e "\033[31m[$(date +%H:%M:%S)] $1\033[0m"; }
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green() { echo -e "\033[32m[$(date +%H:%M:%S)] $1\033[0m"; }
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yellow() { echo -e "\033[33m[$(date +%H:%M:%S)] $1\033[0m"; }
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# ===== 新增：彻底清理screen会话（核心修复）=====
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clean_screen_sessions() {
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local sess_id=$1
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# 1. 先优雅关闭screen会话
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screen -S "${sess_id}" -X quit >/dev/null 2>&1 || true
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sleep 0.3
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# 2. 提取会话PID并强制杀死
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local sess_pid=$(echo "${sess_id}" | cut -d. -f1)
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if [ -n "${sess_pid}" ]; then
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kill -9 "${sess_pid}" >/dev/null 2>&1 || true
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# 3. 杀死该PID的所有子进程
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pkill -9 -P "${sess_pid}" >/dev/null 2>&1 || true
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fi
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}
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# ===== 强制关闭所有阻塞的后台进程（先清场）=====
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green "【步骤1/5】清理脚本自身可能的阻塞进程"
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pkill -f "screen_clean_*" >/dev/null 2>&1 || true
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pkill -9 -f "pgrep -f SCREEN -S ${SCREEN_NAME}" >/dev/null 2>&1 || true
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# ===== 非阻塞查找进程+会话（关键：延长超时到1秒，查更全）=====
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green "【步骤2/5】查找${SCREEN_NAME}相关进程/会话（非阻塞）"
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# 先查screen会话ID（1秒超时，避免漏查）
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SCREEN_SESS=$(timeout 1 screen -ls 2>/dev/null | grep -E "[0-9]+\\.${SCREEN_NAME}" | grep -v "Dead" | awk '{print $1}' || true)
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# 再查进程PID
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SCREEN_PIDS=$(timeout 1 pgrep -f "SCREEN -S ${SCREEN_NAME}" | grep -v $$ || true)
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# 合并需要清理的目标
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if [ -z "${SCREEN_SESS}" ] && [ -z "${SCREEN_PIDS}" ]; then
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green "✅ 未找到${SCREEN_NAME}相关进程/会话，无需清理"
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else
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yellow "⚠️ 找到${SCREEN_NAME}会话：${SCREEN_SESS:-无}"
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yellow "⚠️ 找到${SCREEN_NAME}进程：${SCREEN_PIDS:-无}"
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# ===== 非阻塞强制清理（先清会话，再清进程）=====
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green "【步骤3/5】强制清理${SCREEN_NAME}进程及会话"
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# 1. 清理所有screen会话
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if [ -n "${SCREEN_SESS}" ]; then
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for sess in ${SCREEN_SESS}; do
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yellow "🔧 清理会话：${sess}"
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clean_screen_sessions "${sess}"
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done
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fi
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# 2. 清理剩余进程（兜底）
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if [ -n "${SCREEN_PIDS}" ]; then
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for pid in ${SCREEN_PIDS}; do
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yellow "🔧 清理进程：${pid}"
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kill -9 "${pid}" >/dev/null 2>&1 || true
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pkill -9 -P "${pid}" >/dev/null 2>&1 || true
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done
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fi
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# 短暂等待（0.5秒，非阻塞）
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sleep 0.5
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# ===== 验证清理结果（查会话+进程，双重验证）=====
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green "【步骤4/5】验证清理结果（会话+进程双重检查）"
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FINAL_SESS=$(timeout 1 screen -ls 2>/dev/null | grep -E "[0-9]+\\.${SCREEN_NAME}" | grep -v "Dead" || true)
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FINAL_PIDS=$(timeout 1 pgrep -f "SCREEN -S ${SCREEN_NAME}" | grep -v $$ || true)
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if [ -z "${FINAL_SESS}" ] && [ -z "${FINAL_PIDS}" ]; then
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green "✅ ${SCREEN_NAME}进程/会话已全部清理完成"
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else
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red "❌ 仍有残留：会话[${FINAL_SESS}] 进程[${FINAL_PIDS}]，再次强制清理"
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# 终极兜底：强制杀死所有相关进程
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pkill -9 -f "${SCREEN_NAME}" >/dev/null 2>&1 || true
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fi
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fi
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# ===== 最终收尾 =====
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green "【步骤5/5】${SCREEN_NAME}会话清理流程结束"
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green "✅ 自动化部署后续流程可正常执行"
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# ===== 准备下载目录 =====
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echo "创建工作目录：%s{work_dir}"
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mkdir -p "%s{work_dir}" || { echo "❌ 创建目录失败"; exit 1; }
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# ===== 下载程序 =====
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echo "===== 开始下载程序 ====="
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echo "下载链接：%s{file_url}"
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echo "目标路径：%s{exe_path}"
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# 删除旧文件
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if [ -f "%s{exe_path}" ]; then
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echo "删除旧文件：%s{exe_path}"
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rm -f "%s{exe_path}"
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fi
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# ===== 准备下载目录 =====
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echo "创建工作目录：%s{work_dir}"
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mkdir -p "%s{work_dir}" || { echo "❌ 创建目录失败"; exit 1; }
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# ===== 下载程序 =====
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echo "===== 开始下载程序 ====="
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echo "下载链接：%s{file_url}"
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echo "目标路径：%s{exe_path}"
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# 删除旧文件（关键修复：这里要判断目标路径，不是下载链接）
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if [ -f "%s{exe_path}" ]; then
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echo "删除旧文件：%s{exe_path}"
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rm -f "%s{exe_path}"
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fi
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echo "开始下载..."
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DOWNLOAD_SUCCESS=0
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if command -v wget >/dev/null 2>&1; then
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# 正确格式：wget -O 目标路径 下载链接
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wget --no-check-certificate --timeout=10 --tries=2 -O "%s{exe_path}" "%s{file_url}"
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DOWNLOAD_SUCCESS=$?
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elif command -v curl >/dev/null 2>&1; then
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# 正确格式：curl -o 目标路径 下载链接
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curl -L --connect-timeout 10 --max-time 30 -o "%s{exe_path}" "%s{file_url}"
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DOWNLOAD_SUCCESS=$?
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else
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echo "❌ 无wget/curl，无法下载"
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exit 1
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fi
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if [ $DOWNLOAD_SUCCESS -ne 0 ]; then
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echo "❌ 下载失败，退出码：$DOWNLOAD_SUCCESS"
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exit 1
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fi
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# 验证文件
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if [ -f "%s{exe_path}" ] && [ -s "%s{exe_path}" ]; then
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echo "=== 文件下载完成 ==="
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ls -la "%s{exe_path}"
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# 检查文件大小（至少1KB）
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FILE_SIZE=$(stat -c%s "%s{exe_path}" 2>/dev/null || stat -f%z "%s{exe_path}" 2>/dev/null)
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[ "$FILE_SIZE" -lt 1024 ] && { echo "❌ 文件太小（$FILE_SIZE字节）"; exit 1; }
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else
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echo "❌ 文件下载失败或为空"
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exit 1
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fi
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# ===== 启动新程序 =====
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echo "设置执行权限：%s{exe_path}"
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chmod +x "%s{exe_path}" || { echo "❌ 设置权限失败"; exit 1; }
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echo "启动Screen会话[%s{screen_name}]..."
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screen -dmS "%s{screen_name}" bash -c '"%s{exe_path}" -id=%s{online_id} | tee -a "$HOME/run.log"'
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sleep 2
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if screen -ls | grep -q "%s{screen_name}"; then
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echo "✅ 程序启动成功！会话名称：%s{screen_name}"
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screen -ls
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else
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echo "❌ 程序启动失败，未创建[%s{screen_name}]会话"
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screen -ls
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exit 1
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fi
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echo "#SCRIPT_EXECUTION_COMPLETE#"
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`
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// 4. 定义参数映射（用占位符替换，彻底避免数错顺序）
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deploymentScript := strings.ReplaceAll(deploymentScriptTpl, "%s{screen_name}", fixedScreenSession)
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deploymentScript = strings.ReplaceAll(deploymentScript, "%s{work_dir}", remoteWorkDir)
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deploymentScript = strings.ReplaceAll(deploymentScript, "%s{file_url}", fileURL)
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deploymentScript = strings.ReplaceAll(deploymentScript, "%s{exe_path}", remoteExePath)
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deploymentScript = strings.ReplaceAll(deploymentScript, "%s{online_id}", onlineID)
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// 5. 执行脚本
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_, err := s.executeScript(deploymentScript, "full_deployment_"+grand.S(10))
|
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if err != nil {
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return fmt.Errorf("执行部署脚本失败：%w", err)
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}
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// 6. 保存会话名称
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config.NewServerService().SetServerScreen(s.ServerList.OnlineID, filename)
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return nil
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}
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// executeCommand 执行单个命令并返回输出
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func (s *ServerHandler) executeCommand(command string) (string, error) {
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return s.executeScript(command, "cmd_"+grand.S(8))
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}
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// ---------------- 主流程：OnOpen（严格顺序执行） ----------------
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func (s *ServerHandler) OnOpen(socket *gws.Conn) {
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// 1. 建立SSH连接
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sshConfig := &ssh.ClientConfig{
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User: s.ServerList.Account,
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Auth: []ssh.AuthMethod{ssh.Password(s.ServerList.Password)},
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HostKeyCallback: ssh.InsecureIgnoreHostKey(),
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Timeout: 30 * time.Second,
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}
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// 连接服务器（重试）
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var sshClient *ssh.Client
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var err error
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for retry := 0; retry < 2; retry++ {
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sshClient, err = ssh.Dial("tcp", s.ServerList.LoginAddr, sshConfig)
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if err == nil {
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break
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}
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time.Sleep(3 * time.Second)
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}
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if err != nil {
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s.sendError(socket, "SSH连接失败："+err.Error())
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return
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}
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// 创建会话（重试）
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var session *ssh.Session
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for retry := 0; retry < 2; retry++ {
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session, err = sshClient.NewSession()
|
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if err == nil {
|
||
break
|
||
}
|
||
time.Sleep(3 * time.Second)
|
||
}
|
||
if err != nil {
|
||
session.Close()
|
||
sshClient.Close()
|
||
s.sendError(socket, "创建SSH会话失败："+err.Error())
|
||
return
|
||
}
|
||
|
||
// 配置PTY（通用配置）
|
||
modes := ssh.TerminalModes{
|
||
ssh.ECHO: 1,
|
||
ssh.TTY_OP_ISPEED: 115200,
|
||
ssh.TTY_OP_OSPEED: 115200,
|
||
}
|
||
err = session.RequestPty("vt100", 100, 80, modes)
|
||
if err != nil {
|
||
session.Close()
|
||
sshClient.Close()
|
||
s.sendError(socket, "PTY请求失败："+err.Error())
|
||
return
|
||
}
|
||
|
||
// 获取Stdin/Stdout
|
||
stdin, err := session.StdinPipe()
|
||
if err != nil {
|
||
session.Close()
|
||
sshClient.Close()
|
||
s.sendError(socket, "获取Stdin失败："+err.Error())
|
||
return
|
||
}
|
||
stdout, err := session.StdoutPipe()
|
||
if err != nil {
|
||
session.Close()
|
||
sshClient.Close()
|
||
s.sendError(socket, "获取Stdout失败："+err.Error())
|
||
return
|
||
}
|
||
|
||
// 启动Shell
|
||
err = session.Shell()
|
||
if err != nil {
|
||
session.Close()
|
||
sshClient.Close()
|
||
s.sendError(socket, "启动Shell失败："+err.Error())
|
||
return
|
||
}
|
||
|
||
// 初始化会话
|
||
s.session = &TerminalSession{
|
||
WebSocket: socket,
|
||
SSHClient: sshClient,
|
||
SSHSession: session,
|
||
Stdin: stdin,
|
||
Stdout: stdout,
|
||
Ready: true,
|
||
outputBuf: make(chan string, 2048), // 增大缓存
|
||
closed: atomic.Bool{},
|
||
}
|
||
|
||
// 启动输出转发协程
|
||
s.startOutputForwarding()
|
||
|
||
s.sendSuccess(socket, "SSH连接成功，会话已就绪")
|
||
|
||
// ---------------- 严格按顺序执行自动化部署 ----------------
|
||
if s.isinstall == 1 {
|
||
// 执行完整的自动化部署脚本
|
||
err := s.executeFullDeployment()
|
||
if err != nil {
|
||
s.sendError(socket, "自动化部署失败: "+err.Error())
|
||
return
|
||
}
|
||
|
||
s.sendSuccess(socket, "自动化部署完成")
|
||
}
|
||
}
|
||
|
||
// startOutputForwarding 启动输出转发协程
|
||
func (s *ServerHandler) startOutputForwarding() {
|
||
if s.session == nil {
|
||
return
|
||
}
|
||
|
||
go func() {
|
||
defer func() {
|
||
if r := recover(); r != nil {
|
||
glog.Error(context.Background(), "Output forwarding goroutine panic:", r)
|
||
}
|
||
}()
|
||
|
||
scanner := bufio.NewScanner(s.session.Stdout)
|
||
for scanner.Scan() {
|
||
line := scanner.Text()
|
||
s.sendTerminalOutput(s.session.WebSocket, line+"\r\n")
|
||
}
|
||
|
||
if err := scanner.Err(); err != nil && s.session != nil {
|
||
glog.Error(context.Background(), "读取 SSH 输出失败:", err)
|
||
s.sendError(s.session.WebSocket, "读取 SSH 输出失败: "+err.Error())
|
||
}
|
||
}()
|
||
}
|
||
|
||
// ---------------- 基础函数 ----------------
|
||
func (s *ServerHandler) OnMessage(socket *gws.Conn, gwsmessage *gws.Message) {
|
||
if s.session == nil || s.session.Stdin == nil {
|
||
s.sendError(socket, "SSH 会话未建立")
|
||
return
|
||
}
|
||
|
||
_, err := s.session.Stdin.Write([]byte(gwsmessage.Data.Bytes()))
|
||
if err != nil {
|
||
s.sendError(socket, "写入消息失败："+err.Error())
|
||
}
|
||
}
|
||
|
||
func (s *ServerHandler) OnClose(socket *gws.Conn, err error) {
|
||
glog.Debug(context.Background(), "连接断开:", err)
|
||
if s.session != nil {
|
||
s.session.closed.Store(true)
|
||
if s.session.SSHSession != nil {
|
||
s.session.SSHSession.Close()
|
||
}
|
||
if s.session.SSHClient != nil {
|
||
s.session.SSHClient.Close()
|
||
}
|
||
s.session = nil
|
||
}
|
||
}
|
||
|
||
// 发送终端输出
|
||
func (s *ServerHandler) sendTerminalOutput(ws *gws.Conn, output string) {
|
||
msg := WebSSHMessage{Type: "output", Payload: output}
|
||
data, _ := json.Marshal(msg)
|
||
ws.WriteMessage(gws.OpcodeText, data)
|
||
}
|
||
|
||
// 发送成功消息
|
||
func (s *ServerHandler) sendSuccess(ws *gws.Conn, msg string) {
|
||
res := WebSSHMessage{Type: "success", Payload: msg}
|
||
data, _ := json.Marshal(res)
|
||
ws.WriteMessage(gws.OpcodeText, data)
|
||
}
|
||
|
||
// 发送错误消息
|
||
func (s *ServerHandler) sendError(ws *gws.Conn, msg string) {
|
||
res := WebSSHMessage{Type: "error", Payload: msg}
|
||
data, _ := json.Marshal(res)
|
||
ws.WriteMessage(gws.OpcodeText, data)
|
||
}
|