wg-manager: new pkg

pkg/wg-manager/cmd/main.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+func main() {
+	var bind = flag.String("bind", ":8081", "Bind port/socket")
+	flag.Parse()
+
+	// Prepare graceful shutdown
+	interrupt := make(chan os.Signal, 1)
+	signal.Notify(interrupt, os.Interrupt, syscall.SIGTERM)
+	signal.Notify(interrupt, os.Interrupt, syscall.SIGINT)
+
+	srv := &http.Server{
+		Addr: *bind,
+	}
+
+	log.Println("Registering handlers...")
+	mux := http.NewServeMux()
+	mux.HandleFunc("/register", register)
+	http.HandleFunc("/", mux.ServeHTTP)
+
+	// Serve content
+	go func() {
+		log.Fatal(srv.ListenAndServe())
+	}()
+	log.Println(fmt.Sprintf("Ready, listening on %s", *bind))
+
+	// Wait shutdown signal
+	<-interrupt
+
+	log.Print("The service is shutting down...")
+	srv.Shutdown(context.Background())
+	log.Println("done")
+}