Function indexHandler

server.go:124–134

indexHandler handles requests to the server for the root location "/". A listing of the attached devices is obtained and applied to the index.html template response. An error page is returned if an error occurred.

(w http.ResponseWriter, r *http.Request)

// A listing of the attached devices is obtained and applied to the index.html template response.
// An error page is returned if an error occurred.
func indexHandler(w http.ResponseWriter, r *http.Request) {
	cmd := exec.Command("lsblk", "--nodeps")
	stdout, err := cmd.Output()
	if err != nil {
		errorPage(w, err);
	}

	p := &IndexPage{Lsblk: stdout}
	t, _ := template.ParseFiles("./templates/index.html")
	t.Execute(w, p)
}

// errorPage returns an HTML error page, inserting error details into the error.html template.
func errorPage(w http.ResponseWriter, err error) {