func ValidateFlags()

in config/flags.go [24:47]

• 17 lines of code
• 8 McCabe index (conditional complexity)

func ValidateFlags() {

	if ClusterScoped && WatchNamespace != "" {
		// Ignore WatchNamespace if operator is cluster-scoped
		klog.Warning("Ignoring option 'watch-namespace' as 'cluster-scoped' is enabled")
		WatchNamespace = ""
	}

	runningInsideK8s := helpers.IsAppRunningInsideK8s()
	if !runningInsideK8s {
		if Kubeconfig == "" && MasterURL == "" {
			// Operator is running out of K8s Cluster but kubeconfig/masterURL are not specified.
			klog.Fatal("Ndb operator cannot connect to the Kubernetes Server.\n" +
				"Please specify kubeconfig or masterURL.")
		}

		// WatchNamespace is required for operator running in namespace-scoped mode out-of-cluster.
		if !ClusterScoped && WatchNamespace == "" {
			klog.Fatal("For operator running in namespace-scoped mode out-of-cluster, " +
				"'-watch-namespace' argument needs to be provided.")
		}
	}

}