fix config nil error

pkg/simple/client/alerting/options.go

@@ -11,6 +11,11 @@ func NewAlertingOptions() *AlertingOptions {
 }
 
 func (s *AlertingOptions) ApplyTo(options *AlertingOptions) {
+	if options == nil {
+		options = s
+		return
+	}
+
 	if s.Endpoint != "" {
 		options.Endpoint = s.Endpoint
 	}

pkg/simple/client/devops/options.go

@@ -25,7 +25,12 @@ func NewDevopsOptions() *DevopsOptions {
 
 // ApplyTo apply configuration to another options
 func (s *DevopsOptions) ApplyTo(options *DevopsOptions) {
-	if s.Host != "" && options != nil {
+	if options == nil {
+		options = s
+		return
+	}
+
+	if s.Host != "" {
 		reflectutils.Override(options, s)
 	}
 }

pkg/simple/client/elasticsearch/options.go

@@ -26,6 +26,11 @@ func NewElasticSearchOptions() *ElasticSearchOptions {
 }
 
 func (s *ElasticSearchOptions) ApplyTo(options *ElasticSearchOptions) {
+	if options == nil {
+		options = s
+		return
+	}
+
 	if s.Host != "" {
 		reflectutils.Override(options, s)
 	}

pkg/simple/client/k8s/options.go

@@ -46,6 +46,10 @@ func (k *KubernetesOptions) Validate() []error {
 }
 
 func (k *KubernetesOptions) ApplyTo(options *KubernetesOptions) {
+	if options == nil {
+		options = k
+		return
+	}
 	reflectutils.Override(options, k)
 }
 

pkg/simple/client/kubesphere/options.go

@@ -16,6 +16,10 @@ func NewKubeSphereOptions() *KubeSphereOptions {
 }
 
 func (s *KubeSphereOptions) ApplyTo(options *KubeSphereOptions) {
+	if options == nil {
+		options = s
+		return
+	}
 	if s.AccountServer != "" {
 		options.AccountServer = s.AccountServer
 	}

pkg/simple/client/ldap/options.go

@@ -31,6 +31,11 @@ func (l *LdapOptions) Validate() []error {
 }
 
 func (l *LdapOptions) ApplyTo(options *LdapOptions) {
+	if options == nil {
+		options = l
+		return
+	}
+
 	if l.Host != "" {
 		reflectutils.Override(options, l)
 	}

pkg/simple/client/mysql/options.go

@@ -34,6 +34,10 @@ func (m *MySQLOptions) Validate() []error {
 }
 
 func (m *MySQLOptions) ApplyTo(options *MySQLOptions) {
+	if options == nil {
+		options = m
+		return
+	}
 	reflectutils.Override(options, m)
 }
 

pkg/simple/client/notification/options.go

@@ -11,6 +11,11 @@ func NewNotificationOptions() *NotificationOptions {
 }
 
 func (s *NotificationOptions) ApplyTo(options *NotificationOptions) {
+	if options == nil {
+		options = s
+		return
+	}
+
 	if s.Endpoint != "" {
 		options.Endpoint = s.Endpoint
 	}

pkg/simple/client/openpitrix/options.go

@@ -19,6 +19,11 @@ func NewOpenPitrixOptions() *OpenPitrixOptions {
 }
 
 func (s *OpenPitrixOptions) ApplyTo(options *OpenPitrixOptions) {
+	if options == nil {
+		options = s
+		return
+	}
+
 	if s.APIServer != "" {
 		reflectutils.Override(options, s)
 	}

pkg/simple/client/prometheus/options.go

@@ -23,6 +23,11 @@ func (s *PrometheusOptions) Validate() []error {
 }
 
 func (s *PrometheusOptions) ApplyTo(options *PrometheusOptions) {
+	if options == nil {
+		options = s
+		return
+	}
+
 	if s.Endpoint != "" {
 		options.Endpoint = s.Endpoint
 	}

pkg/simple/client/redis/options.go

@@ -44,6 +44,11 @@ func (r *RedisOptions) Validate() []error {
 
 // ApplyTo apply to another options if it's a enabled option(non empty host)
 func (r *RedisOptions) ApplyTo(options *RedisOptions) {
+	if options == nil {
+		options = r
+		return
+	}
+
 	if r.Host != "" {
 		reflectutils.Override(options, r)
 	}

pkg/simple/client/s2is3/options.go

@@ -40,6 +40,11 @@ func (s *S3Options) Validate() []error {
 
 // ApplyTo overrides options if it's valid, which endpoint is not empty
 func (s *S3Options) ApplyTo(options *S3Options) {
+	if options == nil {
+		options = s
+		return
+	}
+
 	if s.Endpoint != "" {
 		reflectutils.Override(options, s)
 	}

pkg/simple/client/servicemesh/options.go

@@ -31,6 +31,7 @@ func (s *ServiceMeshOptions) Validate() []error {
 
 func (s *ServiceMeshOptions) ApplyTo(options *ServiceMeshOptions) {
 	if options == nil {
+		options = s
 		return
 	}
 

pkg/simple/client/sonarqube/options.go

@@ -28,6 +28,7 @@ func (s *SonarQubeOptions) Validate() []error {
 
 func (s *SonarQubeOptions) ApplyTo(options *SonarQubeOptions) {
 	if options == nil {
+		options = s
 		return
 	}
 

pkg/utils/reflectutils/reflect.go

@@ -37,22 +37,23 @@ func In(value interface{}, container interface{}) bool {
 }
 
 func Override(left interface{}, right interface{}) {
-	if left == nil || right == nil {
+	if reflect.ValueOf(left).IsNil() || reflect.ValueOf(right).IsNil() {
 		return
 	}
 
 	if reflect.ValueOf(left).Type().Kind() != reflect.Ptr ||
-		reflect.ValueOf(right).Type().Kind() != reflect.Ptr {
+		reflect.ValueOf(right).Type().Kind() != reflect.Ptr ||
+		reflect.ValueOf(left).Kind() != reflect.ValueOf(right).Kind() {
 		return
 	}
 
-	old := reflect.ValueOf(left).Elem()
-	new := reflect.ValueOf(right).Elem()
+	oldVal := reflect.ValueOf(left).Elem()
+	newVal := reflect.ValueOf(right).Elem()
 
-	for i := 0; i < old.NumField(); i++ {
-		val := new.Field(i).Interface()
+	for i := 0; i < oldVal.NumField(); i++ {
+		val := newVal.Field(i).Interface()
 		if !reflect.DeepEqual(val, reflect.Zero(reflect.TypeOf(val)).Interface()) {
-			old.Field(i).Set(reflect.ValueOf(val))
+			oldVal.Field(i).Set(reflect.ValueOf(val))
 		}
 	}
 }