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hotplug.go
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hotplug.go
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/*
Copyright 2021 KubeCube 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 hotplug
import (
"fmt"
hotplugv1 "github.com/kubecube-io/kubecube/pkg/apis/hotplug/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
)
type HotplugValidator struct {
hotplugv1.Hotplug
isMemberCluster bool
}
func NewHotplugValidator(isMemberCluster bool) *HotplugValidator {
return &HotplugValidator{isMemberCluster: isMemberCluster}
}
func (t *HotplugValidator) GetObjectKind() schema.ObjectKind {
return t
}
func (t *HotplugValidator) DeepCopyObject() runtime.Object {
return &HotplugValidator{}
}
func (t *HotplugValidator) ValidateCreate() (warnings admission.Warnings, err error) {
if t.Annotations != nil {
if v, ok := t.Annotations["kubecube.io/sync"]; ok {
if v == "true" {
return nil, nil
}
}
}
// member cluster do not allow change the config
if t.isMemberCluster {
return nil, fmt.Errorf("there is not allow change hotplug config in the member cluster, please do it in the pivot cluster")
}
return nil, nil
}
func (t *HotplugValidator) ValidateUpdate(old runtime.Object) (warnings admission.Warnings, err error) {
return t.ValidateCreate()
}
func (t *HotplugValidator) ValidateDelete() (warnings admission.Warnings, err error) {
// member cluster do not allow change the config
if t.isMemberCluster {
return nil, fmt.Errorf("there is not allow change hotplug config in the member cluster, please do it in the pivot cluster")
}
return nil, nil
}