mirror of https://github.com/k3s-io/k3s
91 lines
3.9 KiB
Go
91 lines
3.9 KiB
Go
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/*
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Copyright 2014 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package validatingwebhookconfiguration
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import (
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"context"
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"reflect"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/validation/field"
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"k8s.io/apiserver/pkg/storage/names"
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"k8s.io/kubernetes/pkg/api/legacyscheme"
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"k8s.io/kubernetes/pkg/apis/admissionregistration"
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"k8s.io/kubernetes/pkg/apis/admissionregistration/validation"
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)
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// validatingWebhookConfigurationStrategy implements verification logic for validatingWebhookConfiguration.
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type validatingWebhookConfigurationStrategy struct {
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runtime.ObjectTyper
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names.NameGenerator
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}
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// Strategy is the default logic that applies when creating and updating validatingWebhookConfiguration objects.
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var Strategy = validatingWebhookConfigurationStrategy{legacyscheme.Scheme, names.SimpleNameGenerator}
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// NamespaceScoped returns true because all validatingWebhookConfiguration' need to be within a namespace.
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func (validatingWebhookConfigurationStrategy) NamespaceScoped() bool {
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return false
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}
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// PrepareForCreate clears the status of an validatingWebhookConfiguration before creation.
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func (validatingWebhookConfigurationStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
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ic := obj.(*admissionregistration.ValidatingWebhookConfiguration)
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ic.Generation = 1
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}
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// PrepareForUpdate clears fields that are not allowed to be set by end users on update.
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func (validatingWebhookConfigurationStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
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newIC := obj.(*admissionregistration.ValidatingWebhookConfiguration)
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oldIC := old.(*admissionregistration.ValidatingWebhookConfiguration)
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// Any changes to the spec increment the generation number, any changes to the
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// status should reflect the generation number of the corresponding object.
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// See metav1.ObjectMeta description for more information on Generation.
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if !reflect.DeepEqual(oldIC.Webhooks, newIC.Webhooks) {
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newIC.Generation = oldIC.Generation + 1
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}
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}
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// Validate validates a new validatingWebhookConfiguration.
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func (validatingWebhookConfigurationStrategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
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ic := obj.(*admissionregistration.ValidatingWebhookConfiguration)
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return validation.ValidateValidatingWebhookConfiguration(ic)
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}
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// Canonicalize normalizes the object after validation.
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func (validatingWebhookConfigurationStrategy) Canonicalize(obj runtime.Object) {
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}
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// AllowCreateOnUpdate is true for validatingWebhookConfiguration; this means you may create one with a PUT request.
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func (validatingWebhookConfigurationStrategy) AllowCreateOnUpdate() bool {
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return false
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}
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// ValidateUpdate is the default update validation for an end user.
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func (validatingWebhookConfigurationStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
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validationErrorList := validation.ValidateValidatingWebhookConfiguration(obj.(*admissionregistration.ValidatingWebhookConfiguration))
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updateErrorList := validation.ValidateValidatingWebhookConfigurationUpdate(obj.(*admissionregistration.ValidatingWebhookConfiguration), old.(*admissionregistration.ValidatingWebhookConfiguration))
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return append(validationErrorList, updateErrorList...)
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}
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// AllowUnconditionalUpdate is the default update policy for validatingWebhookConfiguration objects. Status update should
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// only be allowed if version match.
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func (validatingWebhookConfigurationStrategy) AllowUnconditionalUpdate() bool {
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return false
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}
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