Update ingress godeps
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1068 changed files with 461467 additions and 117300 deletions
207
vendor/k8s.io/kubernetes/pkg/runtime/serializer/versioning/versioning.go
generated
vendored
207
vendor/k8s.io/kubernetes/pkg/runtime/serializer/versioning/versioning.go
generated
vendored
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@ -17,59 +17,20 @@ limitations under the License.
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package versioning
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import (
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"fmt"
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"io"
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"k8s.io/kubernetes/pkg/api/unversioned"
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"k8s.io/kubernetes/pkg/runtime"
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)
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// EnableCrossGroupDecoding modifies the given decoder in place, if it is a codec
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// from this package. It allows objects from one group to be auto-decoded into
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// another group. 'destGroup' must already exist in the codec.
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// TODO: this is an encapsulation violation and should be refactored
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func EnableCrossGroupDecoding(d runtime.Decoder, sourceGroup, destGroup string) error {
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internal, ok := d.(*codec)
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if !ok {
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return fmt.Errorf("unsupported decoder type")
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}
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dest, ok := internal.decodeVersion[destGroup]
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if !ok {
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return fmt.Errorf("group %q is not a possible destination group in the given codec", destGroup)
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}
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internal.decodeVersion[sourceGroup] = dest
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return nil
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}
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// EnableCrossGroupEncoding modifies the given encoder in place, if it is a codec
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// from this package. It allows objects from one group to be auto-decoded into
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// another group. 'destGroup' must already exist in the codec.
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// TODO: this is an encapsulation violation and should be refactored
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func EnableCrossGroupEncoding(e runtime.Encoder, sourceGroup, destGroup string) error {
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internal, ok := e.(*codec)
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if !ok {
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return fmt.Errorf("unsupported encoder type")
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}
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dest, ok := internal.encodeVersion[destGroup]
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if !ok {
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return fmt.Errorf("group %q is not a possible destination group in the given codec", destGroup)
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}
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internal.encodeVersion[sourceGroup] = dest
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return nil
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}
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// NewCodecForScheme is a convenience method for callers that are using a scheme.
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func NewCodecForScheme(
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// TODO: I should be a scheme interface?
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scheme *runtime.Scheme,
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encoder runtime.Encoder,
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decoder runtime.Decoder,
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encodeVersion []unversioned.GroupVersion,
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decodeVersion []unversioned.GroupVersion,
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encodeVersion runtime.GroupVersioner,
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decodeVersion runtime.GroupVersioner,
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) runtime.Codec {
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return NewCodec(encoder, decoder, runtime.UnsafeObjectConvertor(scheme), scheme, scheme, scheme, encodeVersion, decodeVersion)
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}
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@ -84,8 +45,8 @@ func NewCodec(
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creater runtime.ObjectCreater,
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copier runtime.ObjectCopier,
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typer runtime.ObjectTyper,
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encodeVersion []unversioned.GroupVersion,
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decodeVersion []unversioned.GroupVersion,
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encodeVersion runtime.GroupVersioner,
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decodeVersion runtime.GroupVersioner,
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) runtime.Codec {
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internal := &codec{
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encoder: encoder,
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@ -94,33 +55,10 @@ func NewCodec(
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creater: creater,
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copier: copier,
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typer: typer,
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}
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if encodeVersion != nil {
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internal.encodeVersion = make(map[string]unversioned.GroupVersion)
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for _, v := range encodeVersion {
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// first one for a group wins. This is consistent with best to worst order throughout the codebase
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if _, ok := internal.encodeVersion[v.Group]; ok {
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continue
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}
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internal.encodeVersion[v.Group] = v
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}
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if len(internal.encodeVersion) == 1 {
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for _, v := range internal.encodeVersion {
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internal.preferredEncodeVersion = []unversioned.GroupVersion{v}
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}
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}
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}
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if decodeVersion != nil {
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internal.decodeVersion = make(map[string]unversioned.GroupVersion)
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for _, v := range decodeVersion {
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// first one for a group wins. This is consistent with best to worst order throughout the codebase
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if _, ok := internal.decodeVersion[v.Group]; ok {
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continue
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}
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internal.decodeVersion[v.Group] = v
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}
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}
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encodeVersion: encodeVersion,
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decodeVersion: decodeVersion,
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}
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return internal
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}
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@ -132,10 +70,8 @@ type codec struct {
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copier runtime.ObjectCopier
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typer runtime.ObjectTyper
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encodeVersion map[string]unversioned.GroupVersion
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decodeVersion map[string]unversioned.GroupVersion
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preferredEncodeVersion []unversioned.GroupVersion
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encodeVersion runtime.GroupVersioner
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decodeVersion runtime.GroupVersioner
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}
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// Decode attempts a decode of the object, then tries to convert it to the internal version. If into is provided and the decoding is
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@ -152,6 +88,12 @@ func (c *codec) Decode(data []byte, defaultGVK *unversioned.GroupVersionKind, in
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return nil, gvk, err
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}
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if d, ok := obj.(runtime.NestedObjectDecoder); ok {
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if err := d.DecodeNestedObjects(DirectDecoder{c.decoder}); err != nil {
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return nil, gvk, err
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}
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}
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// if we specify a target, use generic conversion.
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if into != nil {
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if into == obj {
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@ -160,7 +102,7 @@ func (c *codec) Decode(data []byte, defaultGVK *unversioned.GroupVersionKind, in
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}
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return into, gvk, nil
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}
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if err := c.convertor.Convert(obj, into); err != nil {
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if err := c.convertor.Convert(obj, into, c.decodeVersion); err != nil {
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return nil, gvk, err
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}
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if isVersioned {
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@ -170,37 +112,7 @@ func (c *codec) Decode(data []byte, defaultGVK *unversioned.GroupVersionKind, in
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return into, gvk, nil
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}
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// invoke a version conversion
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group := gvk.Group
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if defaultGVK != nil {
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group = defaultGVK.Group
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}
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var targetGV unversioned.GroupVersion
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if c.decodeVersion == nil {
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// convert to internal by default
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targetGV.Group = group
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targetGV.Version = runtime.APIVersionInternal
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} else {
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gv, ok := c.decodeVersion[group]
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if !ok {
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// unknown objects are left in their original version
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if isVersioned {
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versioned.Objects = []runtime.Object{obj}
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return versioned, gvk, nil
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}
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return obj, gvk, nil
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}
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targetGV = gv
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}
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if gvk.GroupVersion() == targetGV {
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if isVersioned {
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versioned.Objects = []runtime.Object{obj}
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return versioned, gvk, nil
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}
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return obj, gvk, nil
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}
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// Convert if needed.
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if isVersioned {
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// create a copy, because ConvertToVersion does not guarantee non-mutation of objects
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copied, err := c.copier.Copy(obj)
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@ -209,14 +121,14 @@ func (c *codec) Decode(data []byte, defaultGVK *unversioned.GroupVersionKind, in
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}
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versioned.Objects = []runtime.Object{copied}
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}
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// Convert if needed.
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out, err := c.convertor.ConvertToVersion(obj, targetGV)
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out, err := c.convertor.ConvertToVersion(obj, c.decodeVersion)
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if err != nil {
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return nil, gvk, err
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}
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if isVersioned {
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versioned.Objects = append(versioned.Objects, out)
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if versioned.Last() != out {
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versioned.Objects = append(versioned.Objects, out)
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}
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return versioned, gvk, nil
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}
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return out, gvk, nil
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@ -225,51 +137,86 @@ func (c *codec) Decode(data []byte, defaultGVK *unversioned.GroupVersionKind, in
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// Encode ensures the provided object is output in the appropriate group and version, invoking
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// conversion if necessary. Unversioned objects (according to the ObjectTyper) are output as is.
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func (c *codec) Encode(obj runtime.Object, w io.Writer) error {
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if _, ok := obj.(*runtime.Unknown); ok {
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switch obj.(type) {
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case *runtime.Unknown, *runtime.Unstructured, *runtime.UnstructuredList:
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return c.encoder.Encode(obj, w)
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}
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gvks, isUnversioned, err := c.typer.ObjectKinds(obj)
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if err != nil {
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return err
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}
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gvk := gvks[0]
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if c.encodeVersion == nil || isUnversioned {
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if e, ok := obj.(runtime.NestedObjectEncoder); ok {
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if err := e.EncodeNestedObjects(DirectEncoder{Encoder: c.encoder, ObjectTyper: c.typer}); err != nil {
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return err
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}
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}
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objectKind := obj.GetObjectKind()
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old := objectKind.GroupVersionKind()
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objectKind.SetGroupVersionKind(gvk)
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objectKind.SetGroupVersionKind(gvks[0])
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err = c.encoder.Encode(obj, w)
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objectKind.SetGroupVersionKind(old)
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return err
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}
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targetGV, ok := c.encodeVersion[gvk.Group]
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// attempt a conversion to the sole encode version
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if !ok && c.preferredEncodeVersion != nil {
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ok = true
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targetGV = c.preferredEncodeVersion[0]
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}
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// if no fallback is available, error
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if !ok {
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return fmt.Errorf("the codec does not recognize group %q for kind %q and cannot encode it", gvk.Group, gvk.Kind)
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}
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// Perform a conversion if necessary
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objectKind := obj.GetObjectKind()
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old := objectKind.GroupVersionKind()
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out, err := c.convertor.ConvertToVersion(obj, targetGV)
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out, err := c.convertor.ConvertToVersion(obj, c.encodeVersion)
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if err != nil {
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if ok {
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return err
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}
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if e, ok := out.(runtime.NestedObjectEncoder); ok {
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if err := e.EncodeNestedObjects(DirectEncoder{Encoder: c.encoder, ObjectTyper: c.typer}); err != nil {
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return err
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}
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} else {
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obj = out
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}
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// Conversion is responsible for setting the proper group, version, and kind onto the outgoing object
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err = c.encoder.Encode(obj, w)
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err = c.encoder.Encode(out, w)
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// restore the old GVK, in case conversion returned the same object
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objectKind.SetGroupVersionKind(old)
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return err
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}
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// DirectEncoder serializes an object and ensures the GVK is set.
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type DirectEncoder struct {
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runtime.Encoder
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runtime.ObjectTyper
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}
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// Encode does not do conversion. It sets the gvk during serialization.
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func (e DirectEncoder) Encode(obj runtime.Object, stream io.Writer) error {
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gvks, _, err := e.ObjectTyper.ObjectKinds(obj)
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if err != nil {
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if runtime.IsNotRegisteredError(err) {
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return e.Encoder.Encode(obj, stream)
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}
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return err
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}
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kind := obj.GetObjectKind()
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oldGVK := kind.GroupVersionKind()
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kind.SetGroupVersionKind(gvks[0])
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err = e.Encoder.Encode(obj, stream)
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kind.SetGroupVersionKind(oldGVK)
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return err
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}
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// DirectDecoder clears the group version kind of a deserialized object.
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type DirectDecoder struct {
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runtime.Decoder
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}
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// Decode does not do conversion. It removes the gvk during deserialization.
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func (d DirectDecoder) Decode(data []byte, defaults *unversioned.GroupVersionKind, into runtime.Object) (runtime.Object, *unversioned.GroupVersionKind, error) {
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obj, gvk, err := d.Decoder.Decode(data, defaults, into)
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if obj != nil {
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kind := obj.GetObjectKind()
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// clearing the gvk is just a convention of a codec
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kind.SetGroupVersionKind(unversioned.GroupVersionKind{})
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}
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return obj, gvk, err
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}
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