mirror of https://github.com/k3s-io/k3s
103 lines
3.4 KiB
Go
103 lines
3.4 KiB
Go
/*
|
|
Copyright 2019 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 runtimeclass
|
|
|
|
import (
|
|
"context"
|
|
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/apimachinery/pkg/util/validation/field"
|
|
"k8s.io/apiserver/pkg/registry/rest"
|
|
"k8s.io/apiserver/pkg/storage/names"
|
|
utilfeature "k8s.io/apiserver/pkg/util/feature"
|
|
"k8s.io/kubernetes/pkg/api/legacyscheme"
|
|
"k8s.io/kubernetes/pkg/apis/node"
|
|
"k8s.io/kubernetes/pkg/apis/node/validation"
|
|
"k8s.io/kubernetes/pkg/features"
|
|
)
|
|
|
|
// strategy implements verification logic for RuntimeClass.
|
|
type strategy struct {
|
|
runtime.ObjectTyper
|
|
names.NameGenerator
|
|
}
|
|
|
|
// Strategy is the default logic that applies when creating and updating RuntimeClass objects.
|
|
var Strategy = strategy{legacyscheme.Scheme, names.SimpleNameGenerator}
|
|
|
|
// Strategy should implement rest.RESTCreateStrategy
|
|
var _ rest.RESTCreateStrategy = Strategy
|
|
|
|
// Strategy should implement rest.RESTUpdateStrategy
|
|
var _ rest.RESTUpdateStrategy = Strategy
|
|
|
|
// NamespaceScoped is false for RuntimeClasses
|
|
func (strategy) NamespaceScoped() bool {
|
|
return false
|
|
}
|
|
|
|
// AllowCreateOnUpdate is true for RuntimeClasses.
|
|
func (strategy) AllowCreateOnUpdate() bool {
|
|
return true
|
|
}
|
|
|
|
// PrepareForCreate clears fields that are not allowed to be set by end users
|
|
// on creation.
|
|
func (strategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
|
|
rc := obj.(*node.RuntimeClass)
|
|
|
|
if !utilfeature.DefaultFeatureGate.Enabled(features.PodOverhead) && rc != nil {
|
|
// Set Overhead to nil only if the feature is disabled and it is not used
|
|
rc.Overhead = nil
|
|
}
|
|
}
|
|
|
|
// PrepareForUpdate clears fields that are not allowed to be set by end users on update.
|
|
func (strategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
|
|
newRuntimeClass := obj.(*node.RuntimeClass)
|
|
oldRuntimeClass := old.(*node.RuntimeClass)
|
|
|
|
_, _ = newRuntimeClass, oldRuntimeClass
|
|
}
|
|
|
|
// Validate validates a new RuntimeClass. Validation must check for a correct signature.
|
|
func (strategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
|
|
runtimeClass := obj.(*node.RuntimeClass)
|
|
return validation.ValidateRuntimeClass(runtimeClass)
|
|
}
|
|
|
|
// Canonicalize normalizes the object after validation.
|
|
func (strategy) Canonicalize(obj runtime.Object) {
|
|
_ = obj.(*node.RuntimeClass)
|
|
}
|
|
|
|
// ValidateUpdate is the default update validation for an end user.
|
|
func (strategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
|
|
newObj := obj.(*node.RuntimeClass)
|
|
errorList := validation.ValidateRuntimeClass(newObj)
|
|
return append(errorList, validation.ValidateRuntimeClassUpdate(newObj, old.(*node.RuntimeClass))...)
|
|
}
|
|
|
|
// If AllowUnconditionalUpdate() is true and the object specified by
|
|
// the user does not have a resource version, then generic Update()
|
|
// populates it with the latest version. Else, it checks that the
|
|
// version specified by the user matches the version of latest etcd
|
|
// object.
|
|
func (strategy) AllowUnconditionalUpdate() bool {
|
|
return false
|
|
}
|