)

// ClusterDiff prints a diff between Istiod and Envoy clusters to the passed writer
func (c *Comparator) ClusterDiff() error {
	envoyBytes, istiodBytes := &bytes.Buffer{}, &bytes.Buffer{}
	envoyClusterDump, err := c.envoy.GetDynamicClusterDump(true)
	if err != nil {
		envoyBytes.WriteString(err.Error())
	} else {
		envoy, err := protomarshal.ToJSONWithAnyResolver(envoyClusterDump, "    ", &envoyResolver)
		if err != nil {