init (#5)

apps/node-agent/cmd/node-agent/main.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"log"
+	"net/http"
+	"os"
+	"time"
+
+	"golang.org/x/net/webdav"
+)
+
+func main() {
+	port := env("PORT", "8090")
+	exportPath := env("BETTERNAS_EXPORT_PATH", ".")
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "text/plain; charset=utf-8")
+		_, _ = w.Write([]byte("ok\n"))
+	})
+
+	dav := &webdav.Handler{
+		Prefix:     "/dav",
+		FileSystem: webdav.Dir(exportPath),
+		LockSystem: webdav.NewMemLS(),
+	}
+	mux.Handle("/dav/", dav)
+
+	server := &http.Server{
+		Addr:              ":" + port,
+		Handler:           mux,
+		ReadHeaderTimeout: 5 * time.Second,
+	}
+
+	log.Printf("betterNAS node agent serving %s on :%s", exportPath, port)
+	log.Fatal(server.ListenAndServe())
+}
+
+func env(key, fallback string) string {
+	value, ok := os.LookupEnv(key)
+	if !ok || value == "" {
+		return fallback
+	}
+
+	return value
+}