Added logs on startup & get ns opration

Author: avihuly

internal/pkg/cmd/reloader.go

@@ -138,6 +138,10 @@ func startReloader(cmd *cobra.Command, args []string) {
 		logrus.Fatal(err)
 	}
 
+	if len(namespaceLabelSelector) > 0 {
+		logrus.Warnf("namespace-selector is set, will detect changes in namespaces with these labels: %s.", namespaceLabelSelector)
+	}
+
 	collectors := metrics.SetupPrometheusEndpoint()
 
 	var controllers []*controller.Controller

internal/pkg/controller/controller.go

@@ -104,15 +104,25 @@ func (c *Controller) resourceInNamespaceSelector(raw interface{}) bool {
 
 	switch object := raw.(type) {
 	case *v1.ConfigMap:
-		namespace, _ := c.client.CoreV1().Namespaces().Get(context.Background(), object.ObjectMeta.Namespace, metav1.GetOptions{})
+		namespace, err := c.client.CoreV1().Namespaces().Get(context.Background(), object.ObjectMeta.Namespace, metav1.GetOptions{})
+		if err != nil {
+			logrus.Warn(err)
+			return false
+		}
+
 		for selectorKey, selectorVal := range c.namespaceSelector {
 			namespaceLabelVal, namespaceLabelKeyExists := namespace.ObjectMeta.Labels[selectorKey]
 			if !namespaceLabelKeyExists || selectorVal != namespaceLabelVal {
 				return false
 			}
 		}
 	case *v1.Secret:
-		namespace, _ := c.client.CoreV1().Namespaces().Get(context.Background(), object.ObjectMeta.Namespace, metav1.GetOptions{})
+		namespace, err := c.client.CoreV1().Namespaces().Get(context.Background(), object.ObjectMeta.Namespace, metav1.GetOptions{})
+		if err != nil {
+			logrus.Warn(err)
+			return false
+		}
+
 		for selectorKey, selectorVal := range c.namespaceSelector {
 			namespaceLabelVal, namespaceLabelKeyExists := namespace.ObjectMeta.Labels[selectorKey]
 			if !namespaceLabelKeyExists || selectorVal != namespaceLabelVal {