fix: Missing error log for in-cluster config

pkg/client/config/config.go

@@ -113,7 +113,7 @@ func GetConfigWithContext(context string) (*rest.Config, error) {
 var loadInClusterConfig = rest.InClusterConfig
 
 // loadConfig loads a REST Config as per the rules specified in GetConfig.
-func loadConfig(context string) (*rest.Config, error) {
+func loadConfig(context string) (config *rest.Config, configErr error) {
 	// If a flag is specified with the config location, use that
 	if len(kubeconfig) > 0 {
 		return loadConfigWithContext("", &clientcmd.ClientConfigLoadingRules{ExplicitPath: kubeconfig}, context)
@@ -125,6 +125,12 @@ func loadConfig(context string) (*rest.Config, error) {
 	if len(kubeconfigPath) == 0 {
 		if c, err := loadInClusterConfig(); err == nil {
 			return c, nil
+		} else {
+			defer func() {
+				if configErr != nil {
+					log.Error(err, "unable to load in-cluster config")
+				}
+			}()
 		}
 	}