Fixes to allow topology to still work

Made writebackhost be advertised within `AdvertiseOSDF`

client/main.go

@@ -501,13 +501,14 @@ func DoStashCPSingle(sourceFile string, destination string, methods []string, re
 	OSDFDirectorUrl := param.Federation_DirectorUrl.GetString()
 	useOSDFDirector := viper.IsSet("Federation.DirectorURL")
 
-	var ns namespaces.Namespace
-
 	if destScheme == "stash" || destScheme == "osdf" || destScheme == "pelican" {
 		log.Debugln("Detected writeback")
+		if !strings.HasPrefix(destination, "/") {
+			destination = strings.TrimPrefix(destination, destScheme+"://")
+		}
+		var ns namespaces.Namespace
 		// If we have a director set, go through that for namespace info, otherwise use topology
 		if useOSDFDirector {
-			destination = strings.TrimPrefix(destination, destScheme+"://")
 			dirResp, err := QueryDirector(destination, OSDFDirectorUrl)
 			if err != nil {
 				log.Errorln("Error while querying the Director:", err)
@@ -542,6 +543,8 @@ func DoStashCPSingle(sourceFile string, destination string, methods []string, re
 	if string(sourceFile[0]) != "/" {
 		sourceFile = "/" + sourceFile
 	}
+
+	var ns namespaces.Namespace
 	// If we have a director set, go through that for namespace info, otherwise use topology
 	if useOSDFDirector {
 		dirResp, err := QueryDirector(sourceFile, OSDFDirectorUrl)

director/advertise.go

@@ -78,6 +78,7 @@ func AdvertiseOSDF() error {
 		nsAd.RequireToken = ns.UseTokenOnRead
 		nsAd.Path = ns.Path
 		nsAd.DirlistHost = ns.DirlistHost
+		nsAd.WritebackHost = ns.WritebackHost
 		issuerURL, err := url.Parse(ns.CredentialGeneration.Issuer)
 		if err != nil {
 			log.Warningf("Invalid URL %v when parsing topology response: %v\n", ns.CredentialGeneration.Issuer, err)