func newEtcd(ns runtime.NegotiatedSerializer, storageGroupVersionString, memoryGroupVersionString string, etcdConfig etcdstorage.EtcdConfig) (etcdStorage storage.Interface, err error) {
if storageGroupVersionString == "" {
return etcdStorage, fmt.Errorf("storageVersion is required to create a etcd storage")
}
storageVersion, err := unversioned.ParseGroupVersion(storageGroupVersionString)
if err != nil {
return nil, fmt.Errorf("couldn't understand storage version %v: %v", storageGroupVersionString, err)
}
memoryVersion, err := unversioned.ParseGroupVersion(memoryGroupVersionString)
if err != nil {
return nil, fmt.Errorf("couldn't understand memory version %v: %v", memoryGroupVersionString, err)
}
var storageConfig etcdstorage.EtcdStorageConfig
storageConfig.Config = etcdConfig
s, ok := ns.SerializerForMediaType("application/json", nil)
if !ok {
return nil, fmt.Errorf("unable to find serializer for JSON")
}
glog.Infof("constructing etcd storage interface.\n sv: %v\n mv: %v\n", storageVersion, memoryVersion)
encoder := ns.EncoderForVersion(s, storageVersion)
decoder := ns.DecoderToVersion(s, memoryVersion)
if memoryVersion.Group != storageVersion.Group {
// Allow this codec to translate between groups.
if err = versioning.EnableCrossGroupEncoding(encoder, memoryVersion.Group, storageVersion.Group); err != nil {
return nil, fmt.Errorf("error setting up encoder for %v: %v", storageGroupVersionString, err)
}
if err = versioning.EnableCrossGroupDecoding(decoder, storageVersion.Group, memoryVersion.Group); err != nil {
return nil, fmt.Errorf("error setting up decoder for %v: %v", storageGroupVersionString, err)
}
}
storageConfig.Codec = runtime.NewCodec(encoder, decoder)
return storageConfig.NewStorage()
}
func negotiateOutputSerializer(req *http.Request, ns runtime.NegotiatedSerializer) (runtime.Serializer, string, error) {
acceptHeader := req.Header.Get("Accept")
supported := ns.SupportedMediaTypes()
if len(acceptHeader) == 0 && len(supported) > 0 {
acceptHeader = supported[0]
}
accept, ok := negotiate(acceptHeader, supported)
if !ok {
return nil, "", errNotAcceptable{supported}
}
pretty := isPrettyPrint(req)
if _, ok := accept.Params["pretty"]; !ok && pretty {
accept.Params["pretty"] = "1"
}
mediaType := accept.Type
if len(accept.SubType) > 0 {
mediaType += "/" + accept.SubType
}
if s, ok := ns.SerializerForMediaType(mediaType, accept.Params); ok {
return s, mediaType, nil
}
return nil, "", errNotAcceptable{supported}
}
func negotiateOutputSerializer(req *http.Request, ns runtime.NegotiatedSerializer) (runtime.SerializerInfo, error) {
supported := ns.SupportedMediaTypes()
mediaType, params, err := negotiateOutput(req, supported)
if err != nil {
return runtime.SerializerInfo{}, err
}
if s, ok := ns.SerializerForMediaType(mediaType, params); ok {
return s, nil
}
return runtime.SerializerInfo{}, errNotAcceptable{supported}
}
func negotiateInputSerializer(req *http.Request, s runtime.NegotiatedSerializer) (runtime.SerializerInfo, error) {
supported := s.SupportedMediaTypes()
mediaType := req.Header.Get("Content-Type")
if len(mediaType) == 0 {
mediaType = supported[0]
}
mediaType, options, err := mime.ParseMediaType(mediaType)
if err != nil {
return runtime.SerializerInfo{}, errUnsupportedMediaType{supported}
}
out, ok := s.SerializerForMediaType(mediaType, options)
if !ok {
return runtime.SerializerInfo{}, errUnsupportedMediaType{supported}
}
return out, nil
}
func newEtcd(etcdServerList []string, ns runtime.NegotiatedSerializer, storageGroupVersionString, pathPrefix string) (etcdStorage storage.Interface, err error) {
if storageGroupVersionString == "" {
return etcdStorage, fmt.Errorf("storageVersion is required to create a etcd storage")
}
storageVersion, err := unversioned.ParseGroupVersion(storageGroupVersionString)
if err != nil {
return nil, err
}
var storageConfig etcdstorage.EtcdConfig
storageConfig.ServerList = etcdServerList
storageConfig.Prefix = pathPrefix
s, ok := ns.SerializerForMediaType("application/json", nil)
if !ok {
return nil, fmt.Errorf("unable to find serializer for JSON")
}
storageConfig.Codec = runtime.NewCodec(ns.EncoderForVersion(s, storageVersion), ns.DecoderToVersion(s, unversioned.GroupVersion{Group: storageVersion.Group, Version: runtime.APIVersionInternal}))
return storageConfig.NewStorage()
}
func newEtcd(ns runtime.NegotiatedSerializer, storageVersion, memoryVersion unversioned.GroupVersion, config storagebackend.Config) (etcdStorage storage.Interface, err error) {
s, ok := ns.SerializerForMediaType("application/json", nil)
if !ok {
return nil, fmt.Errorf("unable to find serializer for JSON")
}
encoder := ns.EncoderForVersion(s, storageVersion)
decoder := ns.DecoderToVersion(s, memoryVersion)
if memoryVersion.Group != storageVersion.Group {
// Allow this codec to translate between groups.
if err = versioning.EnableCrossGroupEncoding(encoder, memoryVersion.Group, storageVersion.Group); err != nil {
return nil, fmt.Errorf("error setting up encoder from %v to %v: %v", memoryVersion, storageVersion, err)
}
if err = versioning.EnableCrossGroupDecoding(decoder, storageVersion.Group, memoryVersion.Group); err != nil {
return nil, fmt.Errorf("error setting up decoder from %v to %v: %v", storageVersion, memoryVersion, err)
}
}
config.Codec = runtime.NewCodec(encoder, decoder)
return storagebackend.Create(config)
}