// writeNegotiated renders an object in the content type negotiated by the client
func writeNegotiated(s runtime.NegotiatedSerializer, gv unversioned.GroupVersion, w http.ResponseWriter, req *http.Request, statusCode int, object runtime.Object) {
serializer, err := negotiateOutputSerializer(req, s)
if err != nil {
status := errToAPIStatus(err)
writeRawJSON(int(status.Code), status, w)
return
}
w.Header().Set("Content-Type", serializer.MediaType)
w.WriteHeader(statusCode)
encoder := s.EncoderForVersion(serializer, gv)
if err := encoder.Encode(object, w); err != nil {
errorJSONFatal(err, encoder, w)
}
}
// Adds a service to return the supported resources, E.g., a such web service
// will be registered at /apis/extensions/v1.
func AddSupportedResourcesWebService(s runtime.NegotiatedSerializer, ws *restful.WebService, groupVersion unversioned.GroupVersion, apiResources []unversioned.APIResource) {
ss := s
if keepUnversioned(groupVersion.Group) {
// Because in release 1.1, /apis/extensions/v1beta1 returns response
// with empty APIVersion, we use StripVersionNegotiatedSerializer to
// keep the response backwards compatible.
ss = StripVersionNegotiatedSerializer{s}
}
resourceHandler := SupportedResourcesHandler(ss, groupVersion, apiResources)
ws.Route(ws.GET("/").To(resourceHandler).
Doc("get available resources").
Operation("getAPIResources").
Produces(s.SupportedMediaTypes()...).
Consumes(s.SupportedMediaTypes()...).
Writes(unversioned.APIResourceList{}))
}
// Adds a service to return the supported api versions at /apis.
func AddApisWebService(s runtime.NegotiatedSerializer, container *restful.Container, apiPrefix string, f func(req *restful.Request) []unversioned.APIGroup) {
// Because in release 1.1, /apis returns response with empty APIVersion, we
// use StripVersionNegotiatedSerializer to keep the response backwards
// compatible.
ss := StripVersionNegotiatedSerializer{s}
rootAPIHandler := RootAPIHandler(ss, f)
ws := new(restful.WebService)
ws.Path(apiPrefix)
ws.Doc("get available API versions")
ws.Route(ws.GET("/").To(rootAPIHandler).
Doc("get available API versions").
Operation("getAPIVersions").
Produces(s.SupportedMediaTypes()...).
Consumes(s.SupportedMediaTypes()...).
Writes(unversioned.APIGroupList{}))
container.Add(ws)
}
// Adds a service to return the supported api versions at the legacy /api.
func AddApiWebService(s runtime.NegotiatedSerializer, container *restful.Container, apiPrefix string, getAPIVersionsFunc func(req *restful.Request) *unversioned.APIVersions) {
// TODO: InstallREST should register each version automatically
// Because in release 1.1, /api returns response with empty APIVersion, we
// use StripVersionNegotiatedSerializer to keep the response backwards
// compatible.
ss := StripVersionNegotiatedSerializer{s}
versionHandler := APIVersionHandler(ss, getAPIVersionsFunc)
ws := new(restful.WebService)
ws.Path(apiPrefix)
ws.Doc("get available API versions")
ws.Route(ws.GET("/").To(versionHandler).
Doc("get available API versions").
Operation("getAPIVersions").
Produces(s.SupportedMediaTypes()...).
Consumes(s.SupportedMediaTypes()...).
Writes(unversioned.APIVersions{}))
container.Add(ws)
}
// Adds a service to return the supported versions, preferred version, and name
// of a group. E.g., a such web service will be registered at /apis/extensions.
func AddGroupWebService(s runtime.NegotiatedSerializer, container *restful.Container, path string, group unversioned.APIGroup) {
ss := s
if keepUnversioned(group.Name) {
// Because in release 1.1, /apis/extensions returns response with empty
// APIVersion, we use StripVersionNegotiatedSerializer to keep the
// response backwards compatible.
ss = StripVersionNegotiatedSerializer{s}
}
groupHandler := GroupHandler(ss, group)
ws := new(restful.WebService)
ws.Path(path)
ws.Doc("get information of a group")
ws.Route(ws.GET("/").To(groupHandler).
Doc("get information of a group").
Operation("getAPIGroup").
Produces(s.SupportedMediaTypes()...).
Consumes(s.SupportedMediaTypes()...).
Writes(unversioned.APIGroup{}))
container.Add(ws)
}