All improvements in one commit.

environments/fetcher/cmd/main.go

@@ -42,7 +42,10 @@ func main() {
 		}
 	}
 
-	fetcher := fetcher.MakeFetcher(dir, *secretDir, *configDir)
+	fetcher, err := fetcher.MakeFetcher(dir, *secretDir, *configDir)
+	if err != nil {
+		log.Fatalf("Error making fetcher: %v", err)
+	}
 
 	if *specializeOnStart {
 		specializePod(fetcher, fetchPayload, loadPayload)
@@ -54,6 +57,8 @@ func main() {
 	mux.HandleFunc("/healthz", func(w http.ResponseWriter, r *http.Request) {
 		w.WriteHeader(http.StatusOK)
 	})
+
+	log.Println("Fetcher ready to receive requests")
 	http.ListenAndServe(":8000", mux)
 }
 

environments/fetcher/fetcher.go

@@ -74,14 +74,14 @@ func makeVolumeDir(dirPath string) {
 	}
 }
 
-func MakeFetcher(sharedVolumePath string, sharedSecretPath string, sharedConfigPath string) *Fetcher {
+func MakeFetcher(sharedVolumePath string, sharedSecretPath string, sharedConfigPath string) (*Fetcher, error) {
 	makeVolumeDir(sharedVolumePath)
 	makeVolumeDir(sharedSecretPath)
 	makeVolumeDir(sharedConfigPath)
 
 	fissionClient, kubeClient, _, err := crd.MakeFissionClient()
 	if err != nil {
-		return nil
+		return nil, err
 	}
 	return &Fetcher{
 		sharedVolumePath: sharedVolumePath,
@@ -89,7 +89,7 @@ func MakeFetcher(sharedVolumePath string, sharedSecretPath string, sharedConfigP
 		sharedConfigPath: sharedConfigPath,
 		fissionClient:    fissionClient,
 		kubeClient:       kubeClient,
-	}
+	}, nil
 }
 
 func downloadUrl(url string, localPath string) error {