discovery/marathon/marathon.go
func randomAppsURL(servers []string) string {
	// TODO: If possible update server list from Marathon at some point.
	server := servers[rand.Intn(len(servers))]
	return fmt.Sprintf("%s%s", server, appListPath)
}
func randomAppsURL(servers []string) string {
	// TODO: If possible update server list from Marathon at some point.
	server := servers[rand.Intn(len(servers))]
	return fmt.Sprintf("%s%s", server, appListPath)
}
// randomAppsURL randomly selects a server from an array and creates
// an URL pointing to the app list.