DRA: add device taints API

This adds the "DeviceTaint" top-level type to v1alpha3 and related fields to
ResourceSlice and ResourceClaim. It's complete enough bring up an API server
and generate files.

Author: pohly

pkg/api/testing/defaulting_test.go

@@ -135,14 +135,20 @@ func TestDefaulting(t *testing.T) {
 		{Group: "rbac.authorization.k8s.io", Version: "v1", Kind: "ClusterRoleBindingList"}:                        {},
 		{Group: "rbac.authorization.k8s.io", Version: "v1", Kind: "RoleBinding"}:                                   {},
 		{Group: "rbac.authorization.k8s.io", Version: "v1", Kind: "RoleBindingList"}:                               {},
+		{Group: "resource.k8s.io", Version: "v1alpha3", Kind: "DeviceTaintRule"}:                                   {},
+		{Group: "resource.k8s.io", Version: "v1alpha3", Kind: "DeviceTaintRuleList"}:                               {},
 		{Group: "resource.k8s.io", Version: "v1alpha3", Kind: "ResourceClaim"}:                                     {},
 		{Group: "resource.k8s.io", Version: "v1alpha3", Kind: "ResourceClaimList"}:                                 {},
 		{Group: "resource.k8s.io", Version: "v1alpha3", Kind: "ResourceClaimTemplate"}:                             {},
 		{Group: "resource.k8s.io", Version: "v1alpha3", Kind: "ResourceClaimTemplateList"}:                         {},
+		{Group: "resource.k8s.io", Version: "v1alpha3", Kind: "ResourceSlice"}:                                     {},
+		{Group: "resource.k8s.io", Version: "v1alpha3", Kind: "ResourceSliceList"}:                                 {},
 		{Group: "resource.k8s.io", Version: "v1beta1", Kind: "ResourceClaim"}:                                      {},
 		{Group: "resource.k8s.io", Version: "v1beta1", Kind: "ResourceClaimList"}:                                  {},
 		{Group: "resource.k8s.io", Version: "v1beta1", Kind: "ResourceClaimTemplate"}:                              {},
 		{Group: "resource.k8s.io", Version: "v1beta1", Kind: "ResourceClaimTemplateList"}:                          {},
+		{Group: "resource.k8s.io", Version: "v1beta1", Kind: "ResourceSlice"}:                                      {},
+		{Group: "resource.k8s.io", Version: "v1beta1", Kind: "ResourceSliceList"}:                                  {},
 		{Group: "admissionregistration.k8s.io", Version: "v1alpha1", Kind: "ValidatingAdmissionPolicy"}:            {},
 		{Group: "admissionregistration.k8s.io", Version: "v1alpha1", Kind: "ValidatingAdmissionPolicyList"}:        {},
 		{Group: "admissionregistration.k8s.io", Version: "v1alpha1", Kind: "ValidatingAdmissionPolicyBinding"}:     {},

pkg/apis/resource/fuzzer/fuzzer.go

@@ -17,6 +17,9 @@ limitations under the License.
 package fuzzer
 
 import (
+	"time"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
 	"k8s.io/kubernetes/pkg/apis/resource"
@@ -57,6 +60,24 @@ var Funcs = func(codecs runtimeserializer.CodecFactory) []interface{} {
 				}[c.Int31n(2)]
 			}
 		},
+		func(r *resource.DeviceToleration, c randfill.Continue) {
+			c.FillNoCustom(r)
+			if r.Operator == "" {
+				r.Operator = []resource.DeviceTolerationOperator{
+					resource.DeviceTolerationOpEqual,
+					resource.DeviceTolerationOpExists,
+				}[c.Int31n(2)]
+			}
+		},
+		func(r *resource.DeviceTaint, c randfill.Continue) {
+			c.FillNoCustom(r)
+			if r.TimeAdded == nil {
+				// Current time is more or less random.
+				// Truncate to seconds because sub-second resolution
+				// does not survive round-tripping.
+				r.TimeAdded = &metav1.Time{Time: time.Now().Truncate(time.Second)}
+			}
+		},
 		func(r *resource.OpaqueDeviceConfiguration, c randfill.Continue) {
 			c.FillNoCustom(r)
 			// Match the fuzzer default content for runtime.Object.

pkg/apis/resource/register.go

@@ -54,6 +54,8 @@ func addKnownTypes(scheme *runtime.Scheme) error {
 	scheme.AddKnownTypes(SchemeGroupVersion,
 		&DeviceClass{},
 		&DeviceClassList{},
+		&DeviceTaintRule{},
+		&DeviceTaintRuleList{},
 		&ResourceClaim{},
 		&ResourceClaimList{},
 		&ResourceClaimTemplate{},