reconcile.go

currentConfigMap := &corev1.ConfigMap{}
newConfigMap := r.createConfigMap(instance, map[string]string{instance.Spec.Config.ConfigMapKey: instance.Spec.Config.ConfigMapValue})
err = r.client.Get(context.TODO(), types.NamespacedName{Name: instance.Spec.Config.ConfigMapName, Namespace: request.Namespace}, currentConfigMap)
if err == nil {
	if !reflect.DeepEqual(currentConfigMap.Data, newConfigMap.Data) {
		reqLogger.Info(fmt.Sprintf("ConfigMap will be changed: %v", instance.Spec.Config.ConfigMapName))
		if r.client.Update(context.TODO(), newConfigMap) != nil {
			return reconcile.Result{}, err
		}

		for _, deployment := range instance.Spec.LinkedDeployments {
			reqLogger.Info(fmt.Sprintf("Deployment will be restarted: %v", deployment))
			if r.restartDeployment(deployment, request.Namespace) != nil {
				return reconcile.Result{}, err
			}
		}
	}
}