first working version

README.md

@@ -1,3 +1,10 @@
 # unixproxy
 
-A simple service to proxy unix sockets to http
+A simple service to proxy unix sockets to http. Useful for containerizing web services that don't natively support listening on unix sockets.
+
+Usage of unixproxy:
+  -unix string
+        Unix socket to listen on
+  -url string
+        URL to proxy to
+

main.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"net"
+	"net/http"
+	"net/http/httputil"
+	"net/url"
+	"os"
+	"time"
+)
+
+type myConfig struct {
+	MyURL  string
+	MySock string
+}
+
+func main() {
+	var c myConfig
+
+	flag.StringVar(&c.MyURL, "url", "", "URL to proxy to")
+	flag.StringVar(&c.MySock, "unix", "", "Unix socket to listen on")
+
+	flag.Parse()
+
+	if c.MySock == "" {
+		log.Fatal("sock argument required")
+	}
+	rpURL, err := url.Parse("http://127.0.0.1:8080")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if err := os.RemoveAll(c.MySock); err != nil {
+		log.Fatal(err)
+	}
+
+	frontendProxy := httputil.NewSingleHostReverseProxy(rpURL)
+
+	srv := &http.Server{
+		ReadTimeout:       2 * time.Second,
+		WriteTimeout:      3 * time.Second,
+		IdleTimeout:       30 * time.Second,
+		ReadHeaderTimeout: 20 * time.Second,
+		Handler:           frontendProxy,
+	}
+
+	unixListener, err := net.Listen("unix", c.MySock)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+	log.Fatal(srv.Serve(unixListener))
+}