77 lines
2.4 KiB
Go
77 lines
2.4 KiB
Go
/*
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Copyright 2017 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 configuration
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import (
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"fmt"
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"reflect"
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"k8s.io/api/admissionregistration/v1alpha1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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)
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type ExternalAdmissionHookConfigurationLister interface {
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List(opts metav1.ListOptions) (*v1alpha1.ExternalAdmissionHookConfigurationList, error)
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}
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type ExternalAdmissionHookConfigurationManager struct {
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*poller
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}
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func NewExternalAdmissionHookConfigurationManager(c ExternalAdmissionHookConfigurationLister) *ExternalAdmissionHookConfigurationManager {
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getFn := func() (runtime.Object, error) {
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list, err := c.List(metav1.ListOptions{})
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if err != nil {
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return nil, err
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}
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return mergeExternalAdmissionHookConfigurations(list), nil
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}
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return &ExternalAdmissionHookConfigurationManager{
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newPoller(getFn),
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}
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}
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// ExternalAdmissionHooks returns the merged ExternalAdmissionHookConfiguration.
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func (im *ExternalAdmissionHookConfigurationManager) ExternalAdmissionHooks() (*v1alpha1.ExternalAdmissionHookConfiguration, error) {
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configuration, err := im.poller.configuration()
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if err != nil {
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return nil, err
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}
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externalAdmissionHookConfiguration, ok := configuration.(*v1alpha1.ExternalAdmissionHookConfiguration)
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if !ok {
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return nil, fmt.Errorf("expected type %v, got type %v", reflect.TypeOf(externalAdmissionHookConfiguration), reflect.TypeOf(configuration))
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}
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return externalAdmissionHookConfiguration, nil
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}
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func (im *ExternalAdmissionHookConfigurationManager) Run(stopCh <-chan struct{}) {
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im.poller.Run(stopCh)
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}
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func mergeExternalAdmissionHookConfigurations(
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list *v1alpha1.ExternalAdmissionHookConfigurationList,
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) *v1alpha1.ExternalAdmissionHookConfiguration {
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configurations := list.Items
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var ret v1alpha1.ExternalAdmissionHookConfiguration
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for _, c := range configurations {
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ret.ExternalAdmissionHooks = append(ret.ExternalAdmissionHooks, c.ExternalAdmissionHooks...)
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}
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return &ret
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}
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