From c0f3b093c704da85252044b3a177dbabab63c49a Mon Sep 17 00:00:00 2001 From: HuabingZhao Date: Thu, 31 Aug 2017 11:59:47 +0800 Subject: add vendor package Issue-Id: OOM-61 Change-Id: I251336e3b711b14f8ae9a8b0bf6055011a1d9bc8 Signed-off-by: HuabingZhao --- .../vendor/k8s.io/kubernetes/pkg/runtime/codec.go | 198 +++++++++++++++++++++ 1 file changed, 198 insertions(+) create mode 100644 kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/codec.go (limited to 'kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/codec.go') diff --git a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/codec.go b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/codec.go new file mode 100644 index 0000000..3f7681c --- /dev/null +++ b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/codec.go @@ -0,0 +1,198 @@ +/* +Copyright 2014 The Kubernetes Authors. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package runtime + +import ( + "bytes" + "encoding/base64" + "fmt" + "io" + "net/url" + "reflect" + + "k8s.io/kubernetes/pkg/api/unversioned" + "k8s.io/kubernetes/pkg/conversion/queryparams" +) + +// codec binds an encoder and decoder. +type codec struct { + Encoder + Decoder +} + +// NewCodec creates a Codec from an Encoder and Decoder. +func NewCodec(e Encoder, d Decoder) Codec { + return codec{e, d} +} + +// Encode is a convenience wrapper for encoding to a []byte from an Encoder +func Encode(e Encoder, obj Object) ([]byte, error) { + // TODO: reuse buffer + buf := &bytes.Buffer{} + if err := e.Encode(obj, buf); err != nil { + return nil, err + } + return buf.Bytes(), nil +} + +// Decode is a convenience wrapper for decoding data into an Object. +func Decode(d Decoder, data []byte) (Object, error) { + obj, _, err := d.Decode(data, nil, nil) + return obj, err +} + +// DecodeInto performs a Decode into the provided object. +func DecodeInto(d Decoder, data []byte, into Object) error { + out, gvk, err := d.Decode(data, nil, into) + if err != nil { + return err + } + if out != into { + return fmt.Errorf("unable to decode %s into %v", gvk, reflect.TypeOf(into)) + } + return nil +} + +// EncodeOrDie is a version of Encode which will panic instead of returning an error. For tests. +func EncodeOrDie(e Encoder, obj Object) string { + bytes, err := Encode(e, obj) + if err != nil { + panic(err) + } + return string(bytes) +} + +// UseOrCreateObject returns obj if the canonical ObjectKind returned by the provided typer matches gvk, or +// invokes the ObjectCreator to instantiate a new gvk. Returns an error if the typer cannot find the object. +func UseOrCreateObject(t ObjectTyper, c ObjectCreater, gvk unversioned.GroupVersionKind, obj Object) (Object, error) { + if obj != nil { + into, _, err := t.ObjectKinds(obj) + if err != nil { + return nil, err + } + if gvk == into[0] { + return obj, nil + } + } + return c.New(gvk) +} + +// NoopEncoder converts an Decoder to a Serializer or Codec for code that expects them but only uses decoding. +type NoopEncoder struct { + Decoder +} + +var _ Serializer = NoopEncoder{} + +func (n NoopEncoder) Encode(obj Object, w io.Writer) error { + return fmt.Errorf("encoding is not allowed for this codec: %v", reflect.TypeOf(n.Decoder)) +} + +// NoopDecoder converts an Encoder to a Serializer or Codec for code that expects them but only uses encoding. +type NoopDecoder struct { + Encoder +} + +var _ Serializer = NoopDecoder{} + +func (n NoopDecoder) Decode(data []byte, gvk *unversioned.GroupVersionKind, into Object) (Object, *unversioned.GroupVersionKind, error) { + return nil, nil, fmt.Errorf("decoding is not allowed for this codec: %v", reflect.TypeOf(n.Encoder)) +} + +// NewParameterCodec creates a ParameterCodec capable of transforming url values into versioned objects and back. +func NewParameterCodec(scheme *Scheme) ParameterCodec { + return ¶meterCodec{ + typer: scheme, + convertor: scheme, + creator: scheme, + } +} + +// parameterCodec implements conversion to and from query parameters and objects. +type parameterCodec struct { + typer ObjectTyper + convertor ObjectConvertor + creator ObjectCreater +} + +var _ ParameterCodec = ¶meterCodec{} + +// DecodeParameters converts the provided url.Values into an object of type From with the kind of into, and then +// converts that object to into (if necessary). Returns an error if the operation cannot be completed. +func (c *parameterCodec) DecodeParameters(parameters url.Values, from unversioned.GroupVersion, into Object) error { + if len(parameters) == 0 { + return nil + } + targetGVKs, _, err := c.typer.ObjectKinds(into) + if err != nil { + return err + } + targetGVK := targetGVKs[0] + if targetGVK.GroupVersion() == from { + return c.convertor.Convert(¶meters, into) + } + input, err := c.creator.New(from.WithKind(targetGVK.Kind)) + if err != nil { + return err + } + if err := c.convertor.Convert(¶meters, input); err != nil { + return err + } + return c.convertor.Convert(input, into) +} + +// EncodeParameters converts the provided object into the to version, then converts that object to url.Values. +// Returns an error if conversion is not possible. +func (c *parameterCodec) EncodeParameters(obj Object, to unversioned.GroupVersion) (url.Values, error) { + gvks, _, err := c.typer.ObjectKinds(obj) + if err != nil { + return nil, err + } + gvk := gvks[0] + if to != gvk.GroupVersion() { + out, err := c.convertor.ConvertToVersion(obj, to) + if err != nil { + return nil, err + } + obj = out + } + return queryparams.Convert(obj) +} + +type base64Serializer struct { + Serializer +} + +func NewBase64Serializer(s Serializer) Serializer { + return &base64Serializer{s} +} + +func (s base64Serializer) Encode(obj Object, stream io.Writer) error { + e := base64.NewEncoder(base64.StdEncoding, stream) + err := s.Serializer.Encode(obj, e) + e.Close() + return err +} + +func (s base64Serializer) Decode(data []byte, defaults *unversioned.GroupVersionKind, into Object) (Object, *unversioned.GroupVersionKind, error) { + out := make([]byte, base64.StdEncoding.DecodedLen(len(data))) + n, err := base64.StdEncoding.Decode(out, data) + if err != nil { + return nil, nil, err + } + return s.Serializer.Decode(out[:n], defaults, into) +} -- cgit 1.2.3-korg