54 lines
2.2 KiB
Go
54 lines
2.2 KiB
Go
/*
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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 handlers
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import (
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"net/http"
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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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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/kubernetes/pkg/genericapiserver/endpoints/handlers/responsewriters"
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"github.com/emicklei/go-restful"
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)
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type APIResourceLister interface {
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ListAPIResources() []metav1.APIResource
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}
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// RootAPIHandler returns a handler which will list the provided groups and versions as available.
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func RootAPIHandler(s runtime.NegotiatedSerializer, f func(req *restful.Request) []metav1.APIGroup) restful.RouteFunction {
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return func(req *restful.Request, resp *restful.Response) {
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responsewriters.WriteObjectNegotiated(s, schema.GroupVersion{}, resp.ResponseWriter, req.Request, http.StatusOK, &metav1.APIGroupList{Groups: f(req)})
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}
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}
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// GroupHandler returns a handler which will return the api.GroupAndVersion of
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// the group.
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func GroupHandler(s runtime.NegotiatedSerializer, group metav1.APIGroup) restful.RouteFunction {
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return func(req *restful.Request, resp *restful.Response) {
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responsewriters.WriteObjectNegotiated(s, schema.GroupVersion{}, resp.ResponseWriter, req.Request, http.StatusOK, &group)
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}
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}
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// SupportedResourcesHandler returns a handler which will list the provided resources as available.
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func SupportedResourcesHandler(s runtime.NegotiatedSerializer, groupVersion schema.GroupVersion, lister APIResourceLister) restful.RouteFunction {
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return func(req *restful.Request, resp *restful.Response) {
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responsewriters.WriteObjectNegotiated(s, schema.GroupVersion{}, resp.ResponseWriter, req.Request, http.StatusOK, &metav1.APIResourceList{GroupVersion: groupVersion.String(), APIResources: lister.ListAPIResources()})
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}
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}
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