// ClientForGroupVersion returns a client for the specified groupVersion, creates one if none exists. Kind
// in the GroupVersionKind may be empty.
func (c *clientPoolImpl) ClientForGroupVersionKind(kind unversioned.GroupVersionKind) (*Client, error) {
c.lock.Lock()
defer c.lock.Unlock()
gv := kind.GroupVersion()
// do we have a client already configured?
if existingClient, found := c.clients[gv]; found {
return existingClient, nil
}
// avoid changing the original config
confCopy := *c.config
conf := &confCopy
// we need to set the api path based on group version, if no group, default to legacy path
conf.APIPath = c.apiPathResolverFunc(kind)
// we need to make a client
conf.GroupVersion = &gv
if conf.NegotiatedSerializer == nil {
streamingInfo, _ := api.Codecs.StreamingSerializerForMediaType("application/json;stream=watch", nil)
conf.NegotiatedSerializer = serializer.NegotiatedSerializerWrapper(runtime.SerializerInfo{Serializer: dynamicCodec{}}, streamingInfo)
}
dynamicClient, err := NewClient(conf)
if err != nil {
return nil, err
}
c.clients[gv] = dynamicClient
return dynamicClient, nil
}
func setDiscoveryDefaults(config *rest.Config) error {
config.APIPath = ""
config.GroupVersion = nil
codec := runtime.NoopEncoder{Decoder: api.Codecs.UniversalDecoder()}
config.NegotiatedSerializer = serializer.NegotiatedSerializerWrapper(runtime.SerializerInfo{Serializer: codec})
if len(config.UserAgent) == 0 {
config.UserAgent = rest.DefaultKubernetesUserAgent()
}
return nil
}
// ContentConfig returns a rest.ContentConfig for dynamic types.
func ContentConfig() rest.ContentConfig {
// TODO: it's questionable that this should be using anything other than unstructured schema and JSON
codec := dynamicCodec{}
streamingInfo, _ := api.Codecs.StreamingSerializerForMediaType("application/json;stream=watch", nil)
return rest.ContentConfig{
AcceptContentTypes: runtime.ContentTypeJSON,
ContentType: runtime.ContentTypeJSON,
NegotiatedSerializer: serializer.NegotiatedSerializerWrapper(runtime.SerializerInfo{Serializer: codec}, streamingInfo),
}
}
// ContentConfig returns a rest.ContentConfig for dynamic types.
func ContentConfig() rest.ContentConfig {
var jsonInfo runtime.SerializerInfo
// TODO: api.Codecs here should become "pkg/apis/server/scheme" which is the minimal core you need
// to talk to a kubernetes server
for _, info := range api.Codecs.SupportedMediaTypes() {
if info.MediaType == runtime.ContentTypeJSON {
jsonInfo = info
break
}
}
jsonInfo.Serializer = dynamicCodec{}
jsonInfo.PrettySerializer = nil
return rest.ContentConfig{
AcceptContentTypes: runtime.ContentTypeJSON,
ContentType: runtime.ContentTypeJSON,
NegotiatedSerializer: serializer.NegotiatedSerializerWrapper(jsonInfo),
}
}