Convert DownloadRequest resource/controller to kubebuilder (#3004)

* Migrate DownloadRequest types to kubebuilder

Signed-off-by: Carlisia <carlisia@vmware.com>

* Migrate controller to kubebuilder

Signed-off-by: Carlisia <carlisia@vmware.com>

* Migrate download request cli to kubebuilder

Signed-off-by: Carlisia <carlisia@vmware.com>

* Format w make update

Signed-off-by: Carlisia <carlisia@vmware.com>

* Remove download file

Signed-off-by: Carlisia <carlisia@vmware.com>

* Remove kubebuilder from backup/restore apis

Signed-off-by: Carlisia <carlisia@vmware.com>

* Fix test description

Signed-off-by: Carlisia <carlisia@vmware.com>

* Import cleanups

Signed-off-by: Carlisia <carlisia@vmware.com>

* Refactor for controller runtime version update

Signed-off-by: Carlisia <carlisia@vmware.com>

* Remove year from the copyright

Signed-off-by: Carlisia <carlisia@vmware.com>

* Check for expiration regardless of phase

Signed-off-by: Carlisia <carlisia@vmware.com>

* Fix typos and godoc

Signed-off-by: Carlisia <carlisia@vmware.com>

* Fix test setup and fix a test case

Signed-off-by: Carlisia <carlisia@vmware.com>

pkg/builder/download_request_builder.go

@@ -0,0 +1,62 @@
+/*
+Copyright the Velero contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package builder
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
+)
+
+// DownloadRequestBuilder builds DownloadRequest objects.
+type DownloadRequestBuilder struct {
+	object *velerov1api.DownloadRequest
+}
+
+// ForDownloadRequest is the constructor for a DownloadRequestBuilder.
+func ForDownloadRequest(ns, name string) *DownloadRequestBuilder {
+	return &DownloadRequestBuilder{
+		object: &velerov1api.DownloadRequest{
+			TypeMeta: metav1.TypeMeta{
+				APIVersion: velerov1api.SchemeGroupVersion.String(),
+				Kind:       "DownloadRequest",
+			},
+			ObjectMeta: metav1.ObjectMeta{
+				Namespace: ns,
+				Name:      name,
+			},
+		},
+	}
+}
+
+// Result returns the built DownloadRequest.
+func (b *DownloadRequestBuilder) Result() *velerov1api.DownloadRequest {
+	return b.object
+}
+
+// Phase sets the DownloadRequest's status phase.
+func (b *DownloadRequestBuilder) Phase(phase velerov1api.DownloadRequestPhase) *DownloadRequestBuilder {
+	b.object.Status.Phase = phase
+	return b
+}
+
+// Target sets the DownloadRequest's target kind and target name.
+func (b *DownloadRequestBuilder) Target(targetKind velerov1api.DownloadTargetKind, targetName string) *DownloadRequestBuilder {
+	b.object.Spec.Target.Kind = targetKind
+	b.object.Spec.Target.Name = targetName
+	return b
+}