refactor logging options

pkg/simple/client/alerting/options.go

@@ -0,0 +1,17 @@
+package alerting
+
+type AlertingOptions struct {
+	Endpoint string
+}
+
+func NewAlertingOptions() *AlertingOptions {
+	return &AlertingOptions{
+		Endpoint: "",
+	}
+}
+
+func (s *AlertingOptions) ApplyTo(options *AlertingOptions) {
+	if s.Endpoint != "" {
+		options.Endpoint = s.Endpoint
+	}
+}