mirror of
https://github.com/kubevirt/containerized-data-importer.git
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73 lines
2.2 KiB
Go
73 lines
2.2 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 admission
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import (
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"net/http"
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"k8s.io/api/admission/v1beta1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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// Func implements an AdmissionReview operation for a GroupVersionResource
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type Func func(review v1beta1.AdmissionReview) *v1beta1.AdmissionResponse
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// HandleEntry
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type admissionHandler struct {
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GVR metav1.GroupVersionResource
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Fn Func
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}
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// handle handles an admission request and returns a result
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func (ah admissionHandler) handle(review v1beta1.AdmissionReview) *v1beta1.AdmissionResponse {
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return ah.handle(review)
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}
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// Manager manages admission controllers
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type Manager struct {
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Entries map[string]admissionHandler
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SMux *http.ServeMux
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}
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// DefaultAdmissionFns is the default admission control functions registry
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var DefaultAdmissionFns = &Manager{
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SMux: http.DefaultServeMux,
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}
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// HandleFunc registers fn as an admission control webhook callback for the group,version,resources specified
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func (e *Manager) HandleFunc(path string, gvr metav1.GroupVersionResource, fn Func) {
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// Register the entry so a Webhook config is created
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e.Entries[path] = admissionHandler{gvr, fn}
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// Register the handler path
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e.SMux.Handle(path, httpHandler{fn})
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}
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// HandleFunc registers fn as an admission control webhook callback for the group,version,resources specified
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func HandleFunc(path string, gvr metav1.GroupVersionResource, fn Func) {
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DefaultAdmissionFns.HandleFunc(path, gvr, fn)
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}
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// ListenAndServeTLS starts the admission HttpServer.
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func ListenAndServeTLS(addr string) error {
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server := &http.Server{
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Addr: addr,
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TLSConfig: nil, // TODO: Set this
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}
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return server.ListenAndServeTLS("", "")
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}
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