Add proxy to faasd up

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

cmd/up.go

@@ -65,6 +65,7 @@ func runUp(_ *cobra.Command, _ []string) error {
 	log.Printf("Supervisor init done in: %s\n", time.Since(start).String())
 
 	shutdownTimeout := time.Second * 1
+	timeout := time.Second * 60
 
 	wg := sync.WaitGroup{}
 	wg.Add(1)
@@ -85,6 +86,12 @@ func runUp(_ *cobra.Command, _ []string) error {
 		})
 	}()
 
+	go func() {
+		wd, _ := os.Getwd()
+		proxy := pkg.NewProxy(path.Join(wd, "hosts"), timeout)
+		proxy.Start()
+	}()
+
 	wg.Wait()
 	return nil
 }

pkg/proxy.go

@@ -0,0 +1,33 @@
+package pkg
+
+import (
+	"fmt"
+	"net/http"
+
+	"time"
+)
+
+func NewProxy(hosts string, timeout time.Duration) *Proxy {
+
+	return &Proxy{
+		Hosts:   hosts,
+		Timeout: timeout,
+	}
+}
+
+type Proxy struct {
+	Hosts   string
+	Timeout time.Duration
+}
+
+func (p *Proxy) Start() error {
+	tcp := 8080
+	s := &http.Server{
+		Addr:           fmt.Sprintf(":%d", tcp),
+		ReadTimeout:    p.Timeout,
+		WriteTimeout:   p.Timeout,
+		MaxHeaderBytes: 1 << 20, // Max header of 1MB
+	}
+
+	return s.ListenAndServe()
+}

pkg/supervisor.go

@@ -186,7 +186,6 @@ func (s *Supervisor) Start(svcs []Service) error {
 		}
 		log.Println("Exited: ", exitStatusC)
 
-		// call start on the task to execute the redis server
 		if err := task.Start(ctx); err != nil {
 			log.Println("Task err: ", err)
 			return err