init

config/main.go

@@ -0,0 +1,170 @@
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"os/exec"
+	"time"
+)
+
+var (
+	configPath  string
+	serverAddr  string
+	originalApp string
+)
+
+func main() {
+	flag.StringVar(&configPath, "config", "config.json", "path to config file")
+	flag.StringVar(&serverAddr, "addr", ":9090", "address for config server")
+	flag.StringVar(&originalApp, "app", "./override", "path to the original app")
+	flag.Parse()
+
+	http.HandleFunc("/api/config", handleConfig)
+	http.HandleFunc("/api/restart", handleRestart)
+	http.HandleFunc("/api/start", start)
+	http.HandleFunc("/api/stop", stop)
+	http.HandleFunc("/_ping", handlePing)
+	http.Handle("/", http.FileServer(http.Dir("web")))
+
+	log.Printf("Config server starting on %s", serverAddr)
+	log.Fatal(http.ListenAndServe(serverAddr, nil))
+}
+
+func handleConfig(w http.ResponseWriter, r *http.Request) {
+	if r.Method == http.MethodGet {
+		config, err := LoadConfig(configPath)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_, err = w.Write(config)
+		if err != nil {
+			return
+		}
+	} else if r.Method == http.MethodPost {
+		var newConfig map[string]interface{}
+		err := json.NewDecoder(r.Body).Decode(&newConfig)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+		err = SaveConfig(configPath, newConfig)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		w.WriteHeader(http.StatusOK)
+	} else {
+		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+	}
+}
+
+func handleRestart(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	cmd := exec.Command(originalApp)
+	err := cmd.Start()
+	if err != nil {
+		http.Error(w, "Failed to restart the application", http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusOK)
+	_, err = w.Write([]byte("Application restarted"))
+	if err != nil {
+		return
+	}
+}
+
+func start(w http.ResponseWriter, r *http.Request) {
+	cmd := exec.Command("override")
+	err := cmd.Start()
+	if err != nil {
+		http.Error(w, "Failed to start override: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
+	w.WriteHeader(http.StatusOK)
+}
+
+func stop(w http.ResponseWriter, r *http.Request) {
+	cmd := exec.Command("pkill", "override")
+	err := cmd.Run()
+	if err != nil {
+		http.Error(w, "Failed to stop override: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
+	w.WriteHeader(http.StatusOK)
+}
+
+func handlePing(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet {
+		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	bindAddress := r.URL.Query().Get("bind")
+	protocol := r.URL.Query().Get("protocol")
+
+	if bindAddress == "" {
+		http.Error(w, "bind address is required", http.StatusBadRequest)
+		return
+	}
+
+	if protocol == "" {
+		protocol = "http" // 默认使用http
+	}
+
+	url := fmt.Sprintf("%s://%s/_ping", protocol, bindAddress)
+
+	client := &http.Client{
+		Timeout: 5 * time.Second,
+	}
+
+	resp, err := client.Get(url)
+	if err != nil {
+		w.WriteHeader(http.StatusServiceUnavailable)
+		err := json.NewEncoder(w).Encode(map[string]string{
+			"msg": fmt.Sprintf("无法连接到服务器: %v", err),
+		})
+		if err != nil {
+			return
+		}
+		return
+	}
+	defer func(Body io.ReadCloser) {
+		err := Body.Close()
+		if err != nil {
+
+		}
+	}(resp.Body)
+
+	if resp.StatusCode == http.StatusOK {
+		w.WriteHeader(http.StatusOK)
+		err := json.NewEncoder(w).Encode(map[string]interface{}{
+			"msg": "服务器已启动并正常运行",
+			"data": map[string]interface{}{
+				"now": time.Now().Unix(),
+				"ns1": "200 OK",
+			},
+		})
+		if err != nil {
+			return
+		}
+	} else {
+		w.WriteHeader(http.StatusBadGateway)
+		err := json.NewEncoder(w).Encode(map[string]string{
+			"msg": fmt.Sprintf("服务器响应异常: %s", resp.Status),
+		})
+		if err != nil {
+			return
+		}
+	}
+}