func readDir()

in volume-checker/main.go [31:52]

• 18 lines of code
• 4 McCabe index (conditional complexity)

func readDir(w http.ResponseWriter, r *http.Request) {
	dir := r.URL.Query().Get("dir")

	if dir == "" {
		w.WriteHeader(http.StatusOK)
		fmt.Fprintf(w, "'dir' query parameter not set")
		return
	}

	entries, err := os.ReadDir(dir)
	if err != nil {
		w.WriteHeader(http.StatusInternalServerError)
		fmt.Fprintf(w, "error reading directory '%s' within container: %v", dir, err)
		return
	}

	fmt.Fprintf(w, "entries in '%s':\n\n", dir)

	for _, e := range entries {
		fmt.Fprintf(w, "%s/%s\n", dir, e.Name())
	}
}