Basic tsnet http server hello world

server/http.go

@@ -0,0 +1,35 @@
+package server
+
+import (
+	"fmt"
+	"net/http"
+	"strconv"
+
+	"github.com/rs/zerolog/log"
+	"github.com/spf13/viper"
+	"tailscale.com/tsnet"
+)
+
+func SetupHttpServer(tsServer *tsnet.Server, readDevices chan ReadDevicesOp) {
+	port := viper.GetInt("http-server.port")
+
+	log.
+		Info().
+		Int("port", port).
+		Msgf("Starting http server on port %d", port)
+
+	// Create the Tailscale listener
+	listener, err := tsServer.Listen("tcp", ":"+strconv.Itoa(viper.GetInt("http-server.port")))
+	if err != nil {
+		log.Fatal().Err(err).Msg("could not listen on tailnet")
+	}
+	defer listener.Close()
+
+	// Start an http server on the port
+	err = http.Serve(listener, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintf(w, "Hello World")
+	}))
+	if err != nil {
+		log.Fatal().Err(err).Msg("http server error")
+	}
+}

server/server.go

@@ -49,6 +49,11 @@ func Start() {
 	// Setup the DNS server
 	go SetupDnsServer(tsServer, reads)
 
+	if viper.GetBool("http-server.enabled") {
+		// Setup the http server
+		go SetupHttpServer(tsServer, reads)
+	}
+
 	// Keep track of all the devices
 	var state = make(DeviceMap)
 	for {