Add new flag --crds-version of default CRD version to generated

If the Velero CLI can't discover the Kubernetes preferred CRD API
version, use the flag --crds-version to determine the CRDs version.

Signed-off-by: JenTing Hsiao <jenting.hsiao@suse.com>

pkg/install/resources.go

@@ -19,8 +19,6 @@ package install
 import (
 	"time"
 
-	velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
-
 	corev1 "k8s.io/api/core/v1"
 	rbacv1 "k8s.io/api/rbac/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -28,7 +26,9 @@ import (
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 
-	"github.com/vmware-tanzu/velero/config/crd/crds"
+	v1crds "github.com/vmware-tanzu/velero/config/crd/v1/crds"
+	v1beta1crds "github.com/vmware-tanzu/velero/config/crd/v1beta1/crds"
+	velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
 )
 
 var (
@@ -216,17 +216,26 @@ type VeleroOptions struct {
 	NoDefaultBackupLocation           bool
 	CACertData                        []byte
 	Features                          []string
+	CRDsVersion                       string
 	DefaultVolumesToRestic            bool
 }
 
-func AllCRDs() *unstructured.UnstructuredList {
+func AllCRDs(perferredAPIVersion string) *unstructured.UnstructuredList {
 	resources := new(unstructured.UnstructuredList)
 	// Set the GVK so that the serialization framework outputs the list properly
 	resources.SetGroupVersionKind(schema.GroupVersionKind{Group: "", Version: "v1", Kind: "List"})
 
-	for _, crd := range crds.CRDs {
-		crd.SetLabels(Labels())
-		appendUnstructured(resources, crd)
+	switch perferredAPIVersion {
+	case "v1beta1":
+		for _, crd := range v1beta1crds.CRDs {
+			crd.SetLabels(Labels())
+			appendUnstructured(resources, crd)
+		}
+	case "v1":
+		for _, crd := range v1crds.CRDs {
+			crd.SetLabels(Labels())
+			appendUnstructured(resources, crd)
+		}
 	}
 
 	return resources
@@ -235,7 +244,7 @@ func AllCRDs() *unstructured.UnstructuredList {
 // AllResources returns a list of all resources necessary to install Velero, in the appropriate order, into a Kubernetes cluster.
 // Items are unstructured, since there are different data types returned.
 func AllResources(o *VeleroOptions) *unstructured.UnstructuredList {
-	resources := AllCRDs()
+	resources := AllCRDs(o.CRDsVersion)
 
 	ns := Namespace(o.Namespace)
 	appendUnstructured(resources, ns)