Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/pkg/apis/apps/validation/validation.go

@@ -0,0 +1,237 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+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 validation
+
+import (
+	"fmt"
+	"reflect"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	unversionedvalidation "k8s.io/apimachinery/pkg/apis/meta/v1/validation"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/util/validation/field"
+	"k8s.io/kubernetes/pkg/apis/apps"
+	api "k8s.io/kubernetes/pkg/apis/core"
+	apivalidation "k8s.io/kubernetes/pkg/apis/core/validation"
+)
+
+// ValidateStatefulSetName can be used to check whether the given StatefulSet name is valid.
+// Prefix indicates this name will be used as part of generation, in which case
+// trailing dashes are allowed.
+func ValidateStatefulSetName(name string, prefix bool) []string {
+	// TODO: Validate that there's name for the suffix inserted by the pods.
+	// Currently this is just "-index". In the future we may allow a user
+	// specified list of suffixes and we need  to validate the longest one.
+	return apivalidation.NameIsDNSSubdomain(name, prefix)
+}
+
+// Validates the given template and ensures that it is in accordance with the desired selector.
+func ValidatePodTemplateSpecForStatefulSet(template *api.PodTemplateSpec, selector labels.Selector, fldPath *field.Path) field.ErrorList {
+	allErrs := field.ErrorList{}
+	if template == nil {
+		allErrs = append(allErrs, field.Required(fldPath, ""))
+	} else {
+		if !selector.Empty() {
+			// Verify that the StatefulSet selector matches the labels in template.
+			labels := labels.Set(template.Labels)
+			if !selector.Matches(labels) {
+				allErrs = append(allErrs, field.Invalid(fldPath.Child("metadata", "labels"), template.Labels, "`selector` does not match template `labels`"))
+			}
+		}
+		// TODO: Add validation for PodSpec, currently this will check volumes, which we know will
+		// fail. We should really check that the union of the given volumes and volumeClaims match
+		// volume mounts in the containers.
+		// allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(template, fldPath)...)
+		allErrs = append(allErrs, unversionedvalidation.ValidateLabels(template.Labels, fldPath.Child("labels"))...)
+		allErrs = append(allErrs, apivalidation.ValidateAnnotations(template.Annotations, fldPath.Child("annotations"))...)
+		allErrs = append(allErrs, apivalidation.ValidatePodSpecificAnnotations(template.Annotations, &template.Spec, fldPath.Child("annotations"))...)
+	}
+	return allErrs
+}
+
+// ValidateStatefulSetSpec tests if required fields in the StatefulSet spec are set.
+func ValidateStatefulSetSpec(spec *apps.StatefulSetSpec, fldPath *field.Path) field.ErrorList {
+	allErrs := field.ErrorList{}
+
+	switch spec.PodManagementPolicy {
+	case "":
+		allErrs = append(allErrs, field.Required(fldPath.Child("podManagementPolicy"), ""))
+	case apps.OrderedReadyPodManagement, apps.ParallelPodManagement:
+	default:
+		allErrs = append(allErrs, field.Invalid(fldPath.Child("podManagementPolicy"), spec.PodManagementPolicy, fmt.Sprintf("must be '%s' or '%s'", apps.OrderedReadyPodManagement, apps.ParallelPodManagement)))
+	}
+
+	switch spec.UpdateStrategy.Type {
+	case "":
+		allErrs = append(allErrs, field.Required(fldPath.Child("updateStrategy"), ""))
+	case apps.OnDeleteStatefulSetStrategyType:
+		if spec.UpdateStrategy.RollingUpdate != nil {
+			allErrs = append(
+				allErrs,
+				field.Invalid(
+					fldPath.Child("updateStrategy").Child("rollingUpdate"),
+					spec.UpdateStrategy.RollingUpdate,
+					fmt.Sprintf("only allowed for updateStrategy '%s'", apps.RollingUpdateStatefulSetStrategyType)))
+		}
+	case apps.RollingUpdateStatefulSetStrategyType:
+		if spec.UpdateStrategy.RollingUpdate != nil {
+			allErrs = append(allErrs,
+				apivalidation.ValidateNonnegativeField(
+					int64(spec.UpdateStrategy.RollingUpdate.Partition),
+					fldPath.Child("updateStrategy").Child("rollingUpdate").Child("partition"))...)
+		}
+	default:
+		allErrs = append(allErrs,
+			field.Invalid(fldPath.Child("updateStrategy"), spec.UpdateStrategy,
+				fmt.Sprintf("must be '%s' or '%s'",
+					apps.RollingUpdateStatefulSetStrategyType,
+					apps.OnDeleteStatefulSetStrategyType)))
+	}
+
+	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.Replicas), fldPath.Child("replicas"))...)
+	if spec.Selector == nil {
+		allErrs = append(allErrs, field.Required(fldPath.Child("selector"), ""))
+	} else {
+		allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...)
+		if len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
+			allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is not valid for statefulset."))
+		}
+	}
+
+	selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
+	if err != nil {
+		allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, ""))
+	} else {
+		allErrs = append(allErrs, ValidatePodTemplateSpecForStatefulSet(&spec.Template, selector, fldPath.Child("template"))...)
+	}
+
+	if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways {
+		allErrs = append(allErrs, field.NotSupported(fldPath.Child("template", "spec", "restartPolicy"), spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
+	}
+	if spec.Template.Spec.ActiveDeadlineSeconds != nil {
+		allErrs = append(allErrs, field.Invalid(fldPath.Child("template", "spec", "activeDeadlineSeconds"), spec.Template.Spec.ActiveDeadlineSeconds, "must not be specified"))
+	}
+
+	return allErrs
+}
+
+// ValidateStatefulSet validates a StatefulSet.
+func ValidateStatefulSet(statefulSet *apps.StatefulSet) field.ErrorList {
+	allErrs := apivalidation.ValidateObjectMeta(&statefulSet.ObjectMeta, true, ValidateStatefulSetName, field.NewPath("metadata"))
+	allErrs = append(allErrs, ValidateStatefulSetSpec(&statefulSet.Spec, field.NewPath("spec"))...)
+	return allErrs
+}
+
+// ValidateStatefulSetUpdate tests if required fields in the StatefulSet are set.
+func ValidateStatefulSetUpdate(statefulSet, oldStatefulSet *apps.StatefulSet) field.ErrorList {
+	allErrs := apivalidation.ValidateObjectMetaUpdate(&statefulSet.ObjectMeta, &oldStatefulSet.ObjectMeta, field.NewPath("metadata"))
+
+	restoreReplicas := statefulSet.Spec.Replicas
+	statefulSet.Spec.Replicas = oldStatefulSet.Spec.Replicas
+
+	restoreTemplate := statefulSet.Spec.Template
+	statefulSet.Spec.Template = oldStatefulSet.Spec.Template
+
+	restoreStrategy := statefulSet.Spec.UpdateStrategy
+	statefulSet.Spec.UpdateStrategy = oldStatefulSet.Spec.UpdateStrategy
+
+	if !reflect.DeepEqual(statefulSet.Spec, oldStatefulSet.Spec) {
+		allErrs = append(allErrs, field.Forbidden(field.NewPath("spec"), "updates to statefulset spec for fields other than 'replicas', 'template', and 'updateStrategy' are forbidden."))
+	}
+	statefulSet.Spec.Replicas = restoreReplicas
+	statefulSet.Spec.Template = restoreTemplate
+	statefulSet.Spec.UpdateStrategy = restoreStrategy
+
+	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(statefulSet.Spec.Replicas), field.NewPath("spec", "replicas"))...)
+	return allErrs
+}
+
+// ValidateStatefulSetStatus validates a StatefulSetStatus.
+func ValidateStatefulSetStatus(status *apps.StatefulSetStatus, fieldPath *field.Path) field.ErrorList {
+	allErrs := field.ErrorList{}
+
+	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.Replicas), fieldPath.Child("replicas"))...)
+	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ReadyReplicas), fieldPath.Child("readyReplicas"))...)
+	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.CurrentReplicas), fieldPath.Child("currentReplicas"))...)
+	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UpdatedReplicas), fieldPath.Child("updatedReplicas"))...)
+	if status.ObservedGeneration != nil {
+		allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*status.ObservedGeneration), fieldPath.Child("observedGeneration"))...)
+	}
+	if status.CollisionCount != nil {
+		allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*status.CollisionCount), fieldPath.Child("collisionCount"))...)
+	}
+
+	msg := "cannot be greater than status.replicas"
+	if status.ReadyReplicas > status.Replicas {
+		allErrs = append(allErrs, field.Invalid(fieldPath.Child("readyReplicas"), status.ReadyReplicas, msg))
+	}
+	if status.CurrentReplicas > status.Replicas {
+		allErrs = append(allErrs, field.Invalid(fieldPath.Child("currentReplicas"), status.CurrentReplicas, msg))
+	}
+	if status.UpdatedReplicas > status.Replicas {
+		allErrs = append(allErrs, field.Invalid(fieldPath.Child("updatedReplicas"), status.UpdatedReplicas, msg))
+	}
+
+	return allErrs
+}
+
+// ValidateStatefulSetStatusUpdate tests if required fields in the StatefulSet are set.
+func ValidateStatefulSetStatusUpdate(statefulSet, oldStatefulSet *apps.StatefulSet) field.ErrorList {
+	allErrs := field.ErrorList{}
+	allErrs = append(allErrs, ValidateStatefulSetStatus(&statefulSet.Status, field.NewPath("status"))...)
+	allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&statefulSet.ObjectMeta, &oldStatefulSet.ObjectMeta, field.NewPath("metadata"))...)
+	// TODO: Validate status.
+	if apivalidation.IsDecremented(statefulSet.Status.CollisionCount, oldStatefulSet.Status.CollisionCount) {
+		value := int32(0)
+		if statefulSet.Status.CollisionCount != nil {
+			value = *statefulSet.Status.CollisionCount
+		}
+		allErrs = append(allErrs, field.Invalid(field.NewPath("status").Child("collisionCount"), value, "cannot be decremented"))
+	}
+	return allErrs
+}
+
+// ValidateControllerRevisionName can be used to check whether the given ControllerRevision name is valid.
+// Prefix indicates this name will be used as part of generation, in which case
+// trailing dashes are allowed.
+var ValidateControllerRevisionName = apivalidation.NameIsDNSSubdomain
+
+// ValidateControllerRevision collects errors for the fields of state and returns those errors as an ErrorList. If the
+// returned list is empty, state is valid. Validation is performed to ensure that state is a valid ObjectMeta, its name
+// is valid, and that it doesn't exceed the MaxControllerRevisionSize.
+func ValidateControllerRevision(revision *apps.ControllerRevision) field.ErrorList {
+	errs := field.ErrorList{}
+
+	errs = append(errs, apivalidation.ValidateObjectMeta(&revision.ObjectMeta, true, ValidateControllerRevisionName, field.NewPath("metadata"))...)
+	if revision.Data == nil {
+		errs = append(errs, field.Required(field.NewPath("data"), "data is mandatory"))
+	}
+	errs = append(errs, apivalidation.ValidateNonnegativeField(revision.Revision, field.NewPath("revision"))...)
+	return errs
+}
+
+// ValidateControllerRevisionUpdate collects errors pertaining to the mutation of an ControllerRevision Object. If the
+// returned ErrorList is empty the update operation is valid. Any mutation to the ControllerRevision's Data or Revision
+// is considered to be invalid.
+func ValidateControllerRevisionUpdate(newHistory, oldHistory *apps.ControllerRevision) field.ErrorList {
+	errs := field.ErrorList{}
+
+	errs = append(errs, apivalidation.ValidateObjectMetaUpdate(&newHistory.ObjectMeta, &oldHistory.ObjectMeta, field.NewPath("metadata"))...)
+	errs = append(errs, ValidateControllerRevision(newHistory)...)
+	errs = append(errs, apivalidation.ValidateImmutableField(newHistory.Data, oldHistory.Data, field.NewPath("data"))...)
+	return errs
+}