operator-sdk-memcached-operator-implement-controller-1-fetch-memcached.go

func (r *MemcachedReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
    log := r.Log.WithValues("memcached", req.NamespacedName)

    // 1. Fetch the Memcached instance
    memcached := &cachev1alpha1.Memcached{}
    err := r.Get(ctx, req.NamespacedName, memcached)
    if err != nil {
        if errors.IsNotFound(err) {
            log.Info("1. Fetch the Memcached instance. Memcached resource not found. Ignoring since object must be deleted")
            return ctrl.Result{}, nil
        }
        // Error reading the object - requeue the request.
        log.Error(err, "1. Fetch the Memcached instance. Failed to get Mmecached")
        return ctrl.Result{}, err
    }
    log.Info("1. Fetch the Memcached instance. Memchached resource found", "memcached.Name", memcached.Name, "memcached.Namespace", memcached.Namespace)

    return ctrl.Result{}, nil
}