diff options
Diffstat (limited to 'vendor/k8s.io/apimachinery/pkg/runtime')
12 files changed, 499 insertions, 187 deletions
diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/codec.go b/vendor/k8s.io/apimachinery/pkg/runtime/codec.go index 284e32bc3..0bccf9dd9 100644 --- a/vendor/k8s.io/apimachinery/pkg/runtime/codec.go +++ b/vendor/k8s.io/apimachinery/pkg/runtime/codec.go @@ -19,13 +19,17 @@ package runtime import ( "bytes" "encoding/base64" + "encoding/json" "fmt" "io" "net/url" "reflect" + "strconv" + "strings" "k8s.io/apimachinery/pkg/conversion/queryparams" "k8s.io/apimachinery/pkg/runtime/schema" + "k8s.io/klog" ) // codec binds an encoder and decoder. @@ -100,10 +104,19 @@ type NoopEncoder struct { var _ Serializer = NoopEncoder{} +const noopEncoderIdentifier Identifier = "noop" + func (n NoopEncoder) Encode(obj Object, w io.Writer) error { + // There is no need to handle runtime.CacheableObject, as we don't + // process the obj at all. return fmt.Errorf("encoding is not allowed for this codec: %v", reflect.TypeOf(n.Decoder)) } +// Identifier implements runtime.Encoder interface. +func (n NoopEncoder) Identifier() Identifier { + return noopEncoderIdentifier +} + // NoopDecoder converts an Encoder to a Serializer or Codec for code that expects them but only uses encoding. type NoopDecoder struct { Encoder @@ -193,19 +206,51 @@ func (c *parameterCodec) EncodeParameters(obj Object, to schema.GroupVersion) (u type base64Serializer struct { Encoder Decoder + + identifier Identifier } func NewBase64Serializer(e Encoder, d Decoder) Serializer { - return &base64Serializer{e, d} + return &base64Serializer{ + Encoder: e, + Decoder: d, + identifier: identifier(e), + } +} + +func identifier(e Encoder) Identifier { + result := map[string]string{ + "name": "base64", + } + if e != nil { + result["encoder"] = string(e.Identifier()) + } + identifier, err := json.Marshal(result) + if err != nil { + klog.Fatalf("Failed marshaling identifier for base64Serializer: %v", err) + } + return Identifier(identifier) } func (s base64Serializer) Encode(obj Object, stream io.Writer) error { + if co, ok := obj.(CacheableObject); ok { + return co.CacheEncode(s.Identifier(), s.doEncode, stream) + } + return s.doEncode(obj, stream) +} + +func (s base64Serializer) doEncode(obj Object, stream io.Writer) error { e := base64.NewEncoder(base64.StdEncoding, stream) err := s.Encoder.Encode(obj, e) e.Close() return err } +// Identifier implements runtime.Encoder interface. +func (s base64Serializer) Identifier() Identifier { + return s.identifier +} + func (s base64Serializer) Decode(data []byte, defaults *schema.GroupVersionKind, into Object) (Object, *schema.GroupVersionKind, error) { out := make([]byte, base64.StdEncoding.DecodedLen(len(data))) n, err := base64.StdEncoding.Decode(out, data) @@ -238,6 +283,11 @@ var ( DisabledGroupVersioner GroupVersioner = disabledGroupVersioner{} ) +const ( + internalGroupVersionerIdentifier = "internal" + disabledGroupVersionerIdentifier = "disabled" +) + type internalGroupVersioner struct{} // KindForGroupVersionKinds returns an internal Kind if one is found, or converts the first provided kind to the internal version. @@ -253,6 +303,11 @@ func (internalGroupVersioner) KindForGroupVersionKinds(kinds []schema.GroupVersi return schema.GroupVersionKind{}, false } +// Identifier implements GroupVersioner interface. +func (internalGroupVersioner) Identifier() string { + return internalGroupVersionerIdentifier +} + type disabledGroupVersioner struct{} // KindForGroupVersionKinds returns false for any input. @@ -260,19 +315,9 @@ func (disabledGroupVersioner) KindForGroupVersionKinds(kinds []schema.GroupVersi return schema.GroupVersionKind{}, false } -// GroupVersioners implements GroupVersioner and resolves to the first exact match for any kind. -type GroupVersioners []GroupVersioner - -// KindForGroupVersionKinds returns the first match of any of the group versioners, or false if no match occurred. -func (gvs GroupVersioners) KindForGroupVersionKinds(kinds []schema.GroupVersionKind) (schema.GroupVersionKind, bool) { - for _, gv := range gvs { - target, ok := gv.KindForGroupVersionKinds(kinds) - if !ok { - continue - } - return target, true - } - return schema.GroupVersionKind{}, false +// Identifier implements GroupVersioner interface. +func (disabledGroupVersioner) Identifier() string { + return disabledGroupVersionerIdentifier } // Assert that schema.GroupVersion and GroupVersions implement GroupVersioner @@ -330,3 +375,22 @@ func (v multiGroupVersioner) KindForGroupVersionKinds(kinds []schema.GroupVersio } return schema.GroupVersionKind{}, false } + +// Identifier implements GroupVersioner interface. +func (v multiGroupVersioner) Identifier() string { + groupKinds := make([]string, 0, len(v.acceptedGroupKinds)) + for _, gk := range v.acceptedGroupKinds { + groupKinds = append(groupKinds, gk.String()) + } + result := map[string]string{ + "name": "multi", + "target": v.target.String(), + "accepted": strings.Join(groupKinds, ","), + "coerce": strconv.FormatBool(v.coerce), + } + identifier, err := json.Marshal(result) + if err != nil { + klog.Fatalf("Failed marshaling Identifier for %#v: %v", v, err) + } + return string(identifier) +} diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/conversion.go b/vendor/k8s.io/apimachinery/pkg/runtime/conversion.go index 08d2abfe6..0947dce73 100644 --- a/vendor/k8s.io/apimachinery/pkg/runtime/conversion.go +++ b/vendor/k8s.io/apimachinery/pkg/runtime/conversion.go @@ -61,19 +61,21 @@ var DefaultStringConversions = []interface{}{ Convert_Slice_string_To_int64, } -func Convert_Slice_string_To_string(input *[]string, out *string, s conversion.Scope) error { - if len(*input) == 0 { +func Convert_Slice_string_To_string(in *[]string, out *string, s conversion.Scope) error { + if len(*in) == 0 { *out = "" + return nil } - *out = (*input)[0] + *out = (*in)[0] return nil } -func Convert_Slice_string_To_int(input *[]string, out *int, s conversion.Scope) error { - if len(*input) == 0 { +func Convert_Slice_string_To_int(in *[]string, out *int, s conversion.Scope) error { + if len(*in) == 0 { *out = 0 + return nil } - str := (*input)[0] + str := (*in)[0] i, err := strconv.Atoi(str) if err != nil { return err @@ -83,15 +85,16 @@ func Convert_Slice_string_To_int(input *[]string, out *int, s conversion.Scope) } // Convert_Slice_string_To_bool will convert a string parameter to boolean. -// Only the absence of a value, a value of "false", or a value of "0" resolve to false. +// Only the absence of a value (i.e. zero-length slice), a value of "false", or a +// value of "0" resolve to false. // Any other value (including empty string) resolves to true. -func Convert_Slice_string_To_bool(input *[]string, out *bool, s conversion.Scope) error { - if len(*input) == 0 { +func Convert_Slice_string_To_bool(in *[]string, out *bool, s conversion.Scope) error { + if len(*in) == 0 { *out = false return nil } - switch strings.ToLower((*input)[0]) { - case "false", "0": + switch { + case (*in)[0] == "0", strings.EqualFold((*in)[0], "false"): *out = false default: *out = true @@ -99,15 +102,79 @@ func Convert_Slice_string_To_bool(input *[]string, out *bool, s conversion.Scope return nil } -func Convert_Slice_string_To_int64(input *[]string, out *int64, s conversion.Scope) error { - if len(*input) == 0 { +// Convert_Slice_string_To_bool will convert a string parameter to boolean. +// Only the absence of a value (i.e. zero-length slice), a value of "false", or a +// value of "0" resolve to false. +// Any other value (including empty string) resolves to true. +func Convert_Slice_string_To_Pointer_bool(in *[]string, out **bool, s conversion.Scope) error { + if len(*in) == 0 { + boolVar := false + *out = &boolVar + return nil + } + switch { + case (*in)[0] == "0", strings.EqualFold((*in)[0], "false"): + boolVar := false + *out = &boolVar + default: + boolVar := true + *out = &boolVar + } + return nil +} + +func string_to_int64(in string) (int64, error) { + return strconv.ParseInt(in, 10, 64) +} + +func Convert_string_To_int64(in *string, out *int64, s conversion.Scope) error { + if in == nil { + *out = 0 + return nil + } + i, err := string_to_int64(*in) + if err != nil { + return err + } + *out = i + return nil +} + +func Convert_Slice_string_To_int64(in *[]string, out *int64, s conversion.Scope) error { + if len(*in) == 0 { *out = 0 + return nil } - str := (*input)[0] - i, err := strconv.ParseInt(str, 10, 64) + i, err := string_to_int64((*in)[0]) if err != nil { return err } *out = i return nil } + +func Convert_string_To_Pointer_int64(in *string, out **int64, s conversion.Scope) error { + if in == nil { + *out = nil + return nil + } + i, err := string_to_int64(*in) + if err != nil { + return err + } + *out = &i + return nil +} + +func Convert_Slice_string_To_Pointer_int64(in *[]string, out **int64, s conversion.Scope) error { + if len(*in) == 0 { + *out = nil + return nil + } + i, err := string_to_int64((*in)[0]) + if err != nil { + return err + } + *out = &i + return nil +} diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/interfaces.go b/vendor/k8s.io/apimachinery/pkg/runtime/interfaces.go index bded5bf15..f44693c0c 100644 --- a/vendor/k8s.io/apimachinery/pkg/runtime/interfaces.go +++ b/vendor/k8s.io/apimachinery/pkg/runtime/interfaces.go @@ -37,13 +37,36 @@ type GroupVersioner interface { // Scheme.New(target) and then perform a conversion between the current Go type and the destination Go type. // Sophisticated implementations may use additional information about the input kinds to pick a destination kind. KindForGroupVersionKinds(kinds []schema.GroupVersionKind) (target schema.GroupVersionKind, ok bool) + // Identifier returns string representation of the object. + // Identifiers of two different encoders should be equal only if for every input + // kinds they return the same result. + Identifier() string } +// Identifier represents an identifier. +// Identitier of two different objects should be equal if and only if for every +// input the output they produce is exactly the same. +type Identifier string + // Encoder writes objects to a serialized form type Encoder interface { // Encode writes an object to a stream. Implementations may return errors if the versions are // incompatible, or if no conversion is defined. Encode(obj Object, w io.Writer) error + // Identifier returns an identifier of the encoder. + // Identifiers of two different encoders should be equal if and only if for every input + // object it will be encoded to the same representation by both of them. + // + // Identifier is inteted for use with CacheableObject#CacheEncode method. In order to + // correctly handle CacheableObject, Encode() method should look similar to below, where + // doEncode() is the encoding logic of implemented encoder: + // func (e *MyEncoder) Encode(obj Object, w io.Writer) error { + // if co, ok := obj.(CacheableObject); ok { + // return co.CacheEncode(e.Identifier(), e.doEncode, w) + // } + // return e.doEncode(obj, w) + // } + Identifier() Identifier } // Decoder attempts to load an object from data. @@ -132,6 +155,28 @@ type NegotiatedSerializer interface { DecoderToVersion(serializer Decoder, gv GroupVersioner) Decoder } +// ClientNegotiator handles turning an HTTP content type into the appropriate encoder. +// Use NewClientNegotiator or NewVersionedClientNegotiator to create this interface from +// a NegotiatedSerializer. +type ClientNegotiator interface { + // Encoder returns the appropriate encoder for the provided contentType (e.g. application/json) + // and any optional mediaType parameters (e.g. pretty=1), or an error. If no serializer is found + // a NegotiateError will be returned. The current client implementations consider params to be + // optional modifiers to the contentType and will ignore unrecognized parameters. + Encoder(contentType string, params map[string]string) (Encoder, error) + // Decoder returns the appropriate decoder for the provided contentType (e.g. application/json) + // and any optional mediaType parameters (e.g. pretty=1), or an error. If no serializer is found + // a NegotiateError will be returned. The current client implementations consider params to be + // optional modifiers to the contentType and will ignore unrecognized parameters. + Decoder(contentType string, params map[string]string) (Decoder, error) + // StreamDecoder returns the appropriate stream decoder for the provided contentType (e.g. + // application/json) and any optional mediaType parameters (e.g. pretty=1), or an error. If no + // serializer is found a NegotiateError will be returned. The Serializer and Framer will always + // be returned if a Decoder is returned. The current client implementations consider params to be + // optional modifiers to the contentType and will ignore unrecognized parameters. + StreamDecoder(contentType string, params map[string]string) (Decoder, Serializer, Framer, error) +} + // StorageSerializer is an interface used for obtaining encoders, decoders, and serializers // that can read and write data at rest. This would commonly be used by client tools that must // read files, or server side storage interfaces that persist restful objects. @@ -256,6 +301,27 @@ type Object interface { DeepCopyObject() Object } +// CacheableObject allows an object to cache its different serializations +// to avoid performing the same serialization multiple times. +type CacheableObject interface { + // CacheEncode writes an object to a stream. The <encode> function will + // be used in case of cache miss. The <encode> function takes ownership + // of the object. + // If CacheableObject is a wrapper, then deep-copy of the wrapped object + // should be passed to <encode> function. + // CacheEncode assumes that for two different calls with the same <id>, + // <encode> function will also be the same. + CacheEncode(id Identifier, encode func(Object, io.Writer) error, w io.Writer) error + // GetObject returns a deep-copy of an object to be encoded - the caller of + // GetObject() is the owner of returned object. The reason for making a copy + // is to avoid bugs, where caller modifies the object and forgets to copy it, + // thus modifying the object for everyone. + // The object returned by GetObject should be the same as the one that is supposed + // to be passed to <encode> function in CacheEncode method. + // If CacheableObject is a wrapper, the copy of wrapped object should be returned. + GetObject() Object +} + // Unstructured objects store values as map[string]interface{}, with only values that can be serialized // to JSON allowed. type Unstructured interface { diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/negotiate.go b/vendor/k8s.io/apimachinery/pkg/runtime/negotiate.go new file mode 100644 index 000000000..159b30120 --- /dev/null +++ b/vendor/k8s.io/apimachinery/pkg/runtime/negotiate.go @@ -0,0 +1,146 @@ +/* +Copyright 2019 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 ( + "fmt" + + "k8s.io/apimachinery/pkg/runtime/schema" +) + +// NegotiateError is returned when a ClientNegotiator is unable to locate +// a serializer for the requested operation. +type NegotiateError struct { + ContentType string + Stream bool +} + +func (e NegotiateError) Error() string { + if e.Stream { + return fmt.Sprintf("no stream serializers registered for %s", e.ContentType) + } + return fmt.Sprintf("no serializers registered for %s", e.ContentType) +} + +type clientNegotiator struct { + serializer NegotiatedSerializer + encode, decode GroupVersioner +} + +func (n *clientNegotiator) Encoder(contentType string, params map[string]string) (Encoder, error) { + // TODO: `pretty=1` is handled in NegotiateOutputMediaType, consider moving it to this method + // if client negotiators truly need to use it + mediaTypes := n.serializer.SupportedMediaTypes() + info, ok := SerializerInfoForMediaType(mediaTypes, contentType) + if !ok { + if len(contentType) != 0 || len(mediaTypes) == 0 { + return nil, NegotiateError{ContentType: contentType} + } + info = mediaTypes[0] + } + return n.serializer.EncoderForVersion(info.Serializer, n.encode), nil +} + +func (n *clientNegotiator) Decoder(contentType string, params map[string]string) (Decoder, error) { + mediaTypes := n.serializer.SupportedMediaTypes() + info, ok := SerializerInfoForMediaType(mediaTypes, contentType) + if !ok { + if len(contentType) != 0 || len(mediaTypes) == 0 { + return nil, NegotiateError{ContentType: contentType} + } + info = mediaTypes[0] + } + return n.serializer.DecoderToVersion(info.Serializer, n.decode), nil +} + +func (n *clientNegotiator) StreamDecoder(contentType string, params map[string]string) (Decoder, Serializer, Framer, error) { + mediaTypes := n.serializer.SupportedMediaTypes() + info, ok := SerializerInfoForMediaType(mediaTypes, contentType) + if !ok { + if len(contentType) != 0 || len(mediaTypes) == 0 { + return nil, nil, nil, NegotiateError{ContentType: contentType, Stream: true} + } + info = mediaTypes[0] + } + if info.StreamSerializer == nil { + return nil, nil, nil, NegotiateError{ContentType: info.MediaType, Stream: true} + } + return n.serializer.DecoderToVersion(info.Serializer, n.decode), info.StreamSerializer.Serializer, info.StreamSerializer.Framer, nil +} + +// NewClientNegotiator will attempt to retrieve the appropriate encoder, decoder, or +// stream decoder for a given content type. Does not perform any conversion, but will +// encode the object to the desired group, version, and kind. Use when creating a client. +func NewClientNegotiator(serializer NegotiatedSerializer, gv schema.GroupVersion) ClientNegotiator { + return &clientNegotiator{ + serializer: serializer, + encode: gv, + } +} + +// NewInternalClientNegotiator applies the default client rules for connecting to a Kubernetes apiserver +// where objects are converted to gv prior to sending and decoded to their internal representation prior +// to retrieval. +// +// DEPRECATED: Internal clients are deprecated and will be removed in a future Kubernetes release. +func NewInternalClientNegotiator(serializer NegotiatedSerializer, gv schema.GroupVersion) ClientNegotiator { + decode := schema.GroupVersions{ + { + Group: gv.Group, + Version: APIVersionInternal, + }, + // always include the legacy group as a decoding target to handle non-error `Status` return types + { + Group: "", + Version: APIVersionInternal, + }, + } + return &clientNegotiator{ + encode: gv, + decode: decode, + serializer: serializer, + } +} + +// NewSimpleClientNegotiator will negotiate for a single serializer. This should only be used +// for testing or when the caller is taking responsibility for setting the GVK on encoded objects. +func NewSimpleClientNegotiator(info SerializerInfo, gv schema.GroupVersion) ClientNegotiator { + return &clientNegotiator{ + serializer: &simpleNegotiatedSerializer{info: info}, + encode: gv, + } +} + +type simpleNegotiatedSerializer struct { + info SerializerInfo +} + +func NewSimpleNegotiatedSerializer(info SerializerInfo) NegotiatedSerializer { + return &simpleNegotiatedSerializer{info: info} +} + +func (n *simpleNegotiatedSerializer) SupportedMediaTypes() []SerializerInfo { + return []SerializerInfo{n.info} +} + +func (n *simpleNegotiatedSerializer) EncoderForVersion(e Encoder, _ GroupVersioner) Encoder { + return e +} + +func (n *simpleNegotiatedSerializer) DecoderToVersion(d Decoder, _gv GroupVersioner) Decoder { + return d +} diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/register.go b/vendor/k8s.io/apimachinery/pkg/runtime/register.go index eeb380c3d..1cd2e4c38 100644 --- a/vendor/k8s.io/apimachinery/pkg/runtime/register.go +++ b/vendor/k8s.io/apimachinery/pkg/runtime/register.go @@ -29,33 +29,3 @@ func (obj *TypeMeta) GroupVersionKind() schema.GroupVersionKind { } func (obj *TypeMeta) GetObjectKind() schema.ObjectKind { return obj } - -// GetObjectKind implements Object for VersionedObjects, returning an empty ObjectKind -// interface if no objects are provided, or the ObjectKind interface of the object in the -// highest array position. -func (obj *VersionedObjects) GetObjectKind() schema.ObjectKind { - last := obj.Last() - if last == nil { - return schema.EmptyObjectKind - } - return last.GetObjectKind() -} - -// First returns the leftmost object in the VersionedObjects array, which is usually the -// object as serialized on the wire. -func (obj *VersionedObjects) First() Object { - if len(obj.Objects) == 0 { - return nil - } - return obj.Objects[0] -} - -// Last is the rightmost object in the VersionedObjects array, which is the object after -// all transformations have been applied. This is the same object that would be returned -// by Decode in a normal invocation (without VersionedObjects in the into argument). -func (obj *VersionedObjects) Last() Object { - if len(obj.Objects) == 0 { - return nil - } - return obj.Objects[len(obj.Objects)-1] -} diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/schema/group_version.go b/vendor/k8s.io/apimachinery/pkg/runtime/schema/group_version.go index 4c67ed598..636103312 100644 --- a/vendor/k8s.io/apimachinery/pkg/runtime/schema/group_version.go +++ b/vendor/k8s.io/apimachinery/pkg/runtime/schema/group_version.go @@ -191,6 +191,11 @@ func (gv GroupVersion) String() string { return gv.Version } +// Identifier implements runtime.GroupVersioner interface. +func (gv GroupVersion) Identifier() string { + return gv.String() +} + // KindForGroupVersionKinds identifies the preferred GroupVersionKind out of a list. It returns ok false // if none of the options match the group. It prefers a match to group and version over just group. // TODO: Move GroupVersion to a package under pkg/runtime, since it's used by scheme. @@ -246,6 +251,15 @@ func (gv GroupVersion) WithResource(resource string) GroupVersionResource { // in fewer places. type GroupVersions []GroupVersion +// Identifier implements runtime.GroupVersioner interface. +func (gv GroupVersions) Identifier() string { + groupVersions := make([]string, 0, len(gv)) + for i := range gv { + groupVersions = append(groupVersions, gv[i].String()) + } + return fmt.Sprintf("[%s]", strings.Join(groupVersions, ",")) +} + // KindForGroupVersionKinds identifies the preferred GroupVersionKind out of a list. It returns ok false // if none of the options match the group. func (gvs GroupVersions) KindForGroupVersionKinds(kinds []GroupVersionKind) (GroupVersionKind, bool) { diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/serializer/codec_factory.go b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/codec_factory.go index d1d407397..f21b0ef19 100644 --- a/vendor/k8s.io/apimachinery/pkg/runtime/serializer/codec_factory.go +++ b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/codec_factory.go @@ -322,7 +322,3 @@ func (f WithoutConversionCodecFactory) DecoderToVersion(serializer runtime.Decod Decoder: serializer, } } - -// DirectCodecFactory was renamed to WithoutConversionCodecFactory in 1.15. -// TODO: remove in 1.16. -type DirectCodecFactory = WithoutConversionCodecFactory diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/json.go b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/json.go index 69ada8ecf..9d17f09e5 100644 --- a/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/json.go +++ b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/json.go @@ -31,6 +31,7 @@ import ( "k8s.io/apimachinery/pkg/runtime/serializer/recognizer" "k8s.io/apimachinery/pkg/util/framer" utilyaml "k8s.io/apimachinery/pkg/util/yaml" + "k8s.io/klog" ) // NewSerializer creates a JSON serializer that handles encoding versioned objects into the proper JSON form. If typer @@ -53,13 +54,28 @@ func NewYAMLSerializer(meta MetaFactory, creater runtime.ObjectCreater, typer ru // and are immutable. func NewSerializerWithOptions(meta MetaFactory, creater runtime.ObjectCreater, typer runtime.ObjectTyper, options SerializerOptions) *Serializer { return &Serializer{ - meta: meta, - creater: creater, - typer: typer, - options: options, + meta: meta, + creater: creater, + typer: typer, + options: options, + identifier: identifier(options), } } +// identifier computes Identifier of Encoder based on the given options. +func identifier(options SerializerOptions) runtime.Identifier { + result := map[string]string{ + "name": "json", + "yaml": strconv.FormatBool(options.Yaml), + "pretty": strconv.FormatBool(options.Pretty), + } + identifier, err := json.Marshal(result) + if err != nil { + klog.Fatalf("Failed marshaling identifier for json Serializer: %v", err) + } + return runtime.Identifier(identifier) +} + // SerializerOptions holds the options which are used to configure a JSON/YAML serializer. // example: // (1) To configure a JSON serializer, set `Yaml` to `false`. @@ -85,6 +101,8 @@ type Serializer struct { options SerializerOptions creater runtime.ObjectCreater typer runtime.ObjectTyper + + identifier runtime.Identifier } // Serializer implements Serializer @@ -188,16 +206,6 @@ func gvkWithDefaults(actual, defaultGVK schema.GroupVersionKind) schema.GroupVer // On success or most errors, the method will return the calculated schema kind. // The gvk calculate priority will be originalData > default gvk > into func (s *Serializer) Decode(originalData []byte, gvk *schema.GroupVersionKind, into runtime.Object) (runtime.Object, *schema.GroupVersionKind, error) { - if versioned, ok := into.(*runtime.VersionedObjects); ok { - into = versioned.Last() - obj, actual, err := s.Decode(originalData, gvk, into) - if err != nil { - return nil, actual, err - } - versioned.Objects = []runtime.Object{obj} - return versioned, actual, nil - } - data := originalData if s.options.Yaml { altered, err := yaml.YAMLToJSON(data) @@ -286,6 +294,13 @@ func (s *Serializer) Decode(originalData []byte, gvk *schema.GroupVersionKind, i // Encode serializes the provided object to the given writer. func (s *Serializer) Encode(obj runtime.Object, w io.Writer) error { + if co, ok := obj.(runtime.CacheableObject); ok { + return co.CacheEncode(s.Identifier(), s.doEncode, w) + } + return s.doEncode(obj, w) +} + +func (s *Serializer) doEncode(obj runtime.Object, w io.Writer) error { if s.options.Yaml { json, err := caseSensitiveJsonIterator.Marshal(obj) if err != nil { @@ -311,6 +326,11 @@ func (s *Serializer) Encode(obj runtime.Object, w io.Writer) error { return encoder.Encode(obj) } +// Identifier implements runtime.Encoder interface. +func (s *Serializer) Identifier() runtime.Identifier { + return s.identifier +} + // RecognizesData implements the RecognizingDecoder interface. func (s *Serializer) RecognizesData(peek io.Reader) (ok, unknown bool, err error) { if s.options.Yaml { diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/serializer/protobuf/protobuf.go b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/protobuf/protobuf.go index 0f33e1d82..f606b7d72 100644 --- a/vendor/k8s.io/apimachinery/pkg/runtime/serializer/protobuf/protobuf.go +++ b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/protobuf/protobuf.go @@ -86,6 +86,8 @@ type Serializer struct { var _ runtime.Serializer = &Serializer{} var _ recognizer.RecognizingDecoder = &Serializer{} +const serializerIdentifier runtime.Identifier = "protobuf" + // Decode attempts to convert the provided data into a protobuf message, extract the stored schema kind, apply the provided default // gvk, and then load that data into an object matching the desired schema kind or the provided into. If into is *runtime.Unknown, // the raw data will be extracted and no decoding will be performed. If into is not registered with the typer, then the object will @@ -93,23 +95,6 @@ var _ recognizer.RecognizingDecoder = &Serializer{} // not fully qualified with kind/version/group, the type of the into will be used to alter the returned gvk. On success or most // errors, the method will return the calculated schema kind. func (s *Serializer) Decode(originalData []byte, gvk *schema.GroupVersionKind, into runtime.Object) (runtime.Object, *schema.GroupVersionKind, error) { - if versioned, ok := into.(*runtime.VersionedObjects); ok { - into = versioned.Last() - obj, actual, err := s.Decode(originalData, gvk, into) - if err != nil { - return nil, actual, err - } - // the last item in versioned becomes into, so if versioned was not originally empty we reset the object - // array so the first position is the decoded object and the second position is the outermost object. - // if there were no objects in the versioned list passed to us, only add ourselves. - if into != nil && into != obj { - versioned.Objects = []runtime.Object{obj, into} - } else { - versioned.Objects = []runtime.Object{obj} - } - return versioned, actual, err - } - prefixLen := len(s.prefix) switch { case len(originalData) == 0: @@ -176,6 +161,13 @@ func (s *Serializer) Decode(originalData []byte, gvk *schema.GroupVersionKind, i // Encode serializes the provided object to the given writer. func (s *Serializer) Encode(obj runtime.Object, w io.Writer) error { + if co, ok := obj.(runtime.CacheableObject); ok { + return co.CacheEncode(s.Identifier(), s.doEncode, w) + } + return s.doEncode(obj, w) +} + +func (s *Serializer) doEncode(obj runtime.Object, w io.Writer) error { prefixSize := uint64(len(s.prefix)) var unk runtime.Unknown @@ -245,6 +237,11 @@ func (s *Serializer) Encode(obj runtime.Object, w io.Writer) error { } } +// Identifier implements runtime.Encoder interface. +func (s *Serializer) Identifier() runtime.Identifier { + return serializerIdentifier +} + // RecognizesData implements the RecognizingDecoder interface. func (s *Serializer) RecognizesData(peek io.Reader) (bool, bool, error) { prefix := make([]byte, 4) @@ -321,6 +318,8 @@ type RawSerializer struct { var _ runtime.Serializer = &RawSerializer{} +const rawSerializerIdentifier runtime.Identifier = "raw-protobuf" + // Decode attempts to convert the provided data into a protobuf message, extract the stored schema kind, apply the provided default // gvk, and then load that data into an object matching the desired schema kind or the provided into. If into is *runtime.Unknown, // the raw data will be extracted and no decoding will be performed. If into is not registered with the typer, then the object will @@ -332,20 +331,6 @@ func (s *RawSerializer) Decode(originalData []byte, gvk *schema.GroupVersionKind return nil, nil, fmt.Errorf("this serializer requires an object to decode into: %#v", s) } - if versioned, ok := into.(*runtime.VersionedObjects); ok { - into = versioned.Last() - obj, actual, err := s.Decode(originalData, gvk, into) - if err != nil { - return nil, actual, err - } - if into != nil && into != obj { - versioned.Objects = []runtime.Object{obj, into} - } else { - versioned.Objects = []runtime.Object{obj} - } - return versioned, actual, err - } - if len(originalData) == 0 { // TODO: treat like decoding {} from JSON with defaulting return nil, nil, fmt.Errorf("empty data") @@ -419,6 +404,13 @@ func unmarshalToObject(typer runtime.ObjectTyper, creater runtime.ObjectCreater, // Encode serializes the provided object to the given writer. Overrides is ignored. func (s *RawSerializer) Encode(obj runtime.Object, w io.Writer) error { + if co, ok := obj.(runtime.CacheableObject); ok { + return co.CacheEncode(s.Identifier(), s.doEncode, w) + } + return s.doEncode(obj, w) +} + +func (s *RawSerializer) doEncode(obj runtime.Object, w io.Writer) error { switch t := obj.(type) { case bufferedReverseMarshaller: // this path performs a single allocation during write but requires the caller to implement @@ -460,6 +452,11 @@ func (s *RawSerializer) Encode(obj runtime.Object, w io.Writer) error { } } +// Identifier implements runtime.Encoder interface. +func (s *RawSerializer) Identifier() runtime.Identifier { + return rawSerializerIdentifier +} + var LengthDelimitedFramer = lengthDelimitedFramer{} type lengthDelimitedFramer struct{} diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/serializer/versioning/versioning.go b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/versioning/versioning.go index ee5cb86f7..ced184c91 100644 --- a/vendor/k8s.io/apimachinery/pkg/runtime/serializer/versioning/versioning.go +++ b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/versioning/versioning.go @@ -17,12 +17,15 @@ limitations under the License. package versioning import ( + "encoding/json" "io" "reflect" + "sync" "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" "k8s.io/apimachinery/pkg/runtime" "k8s.io/apimachinery/pkg/runtime/schema" + "k8s.io/klog" ) // NewDefaultingCodecForScheme is a convenience method for callers that are using a scheme. @@ -62,6 +65,8 @@ func NewCodec( encodeVersion: encodeVersion, decodeVersion: decodeVersion, + identifier: identifier(encodeVersion, encoder), + originalSchemeName: originalSchemeName, } return internal @@ -78,19 +83,47 @@ type codec struct { encodeVersion runtime.GroupVersioner decodeVersion runtime.GroupVersioner + identifier runtime.Identifier + // originalSchemeName is optional, but when filled in it holds the name of the scheme from which this codec originates originalSchemeName string } +var identifiersMap sync.Map + +type codecIdentifier struct { + EncodeGV string `json:"encodeGV,omitempty"` + Encoder string `json:"encoder,omitempty"` + Name string `json:"name,omitempty"` +} + +// identifier computes Identifier of Encoder based on codec parameters. +func identifier(encodeGV runtime.GroupVersioner, encoder runtime.Encoder) runtime.Identifier { + result := codecIdentifier{ + Name: "versioning", + } + + if encodeGV != nil { + result.EncodeGV = encodeGV.Identifier() + } + if encoder != nil { + result.Encoder = string(encoder.Identifier()) + } + if id, ok := identifiersMap.Load(result); ok { + return id.(runtime.Identifier) + } + identifier, err := json.Marshal(result) + if err != nil { + klog.Fatalf("Failed marshaling identifier for codec: %v", err) + } + identifiersMap.Store(result, runtime.Identifier(identifier)) + return runtime.Identifier(identifier) +} + // Decode attempts a decode of the object, then tries to convert it to the internal version. If into is provided and the decoding is // successful, the returned runtime.Object will be the value passed as into. Note that this may bypass conversion if you pass an // into that matches the serialized version. func (c *codec) Decode(data []byte, defaultGVK *schema.GroupVersionKind, into runtime.Object) (runtime.Object, *schema.GroupVersionKind, error) { - versioned, isVersioned := into.(*runtime.VersionedObjects) - if isVersioned { - into = versioned.Last() - } - // If the into object is unstructured and expresses an opinion about its group/version, // create a new instance of the type so we always exercise the conversion path (skips short-circuiting on `into == obj`) decodeInto := into @@ -115,22 +148,11 @@ func (c *codec) Decode(data []byte, defaultGVK *schema.GroupVersionKind, into ru if into != nil { // perform defaulting if requested if c.defaulter != nil { - // create a copy to ensure defaulting is not applied to the original versioned objects - if isVersioned { - versioned.Objects = []runtime.Object{obj.DeepCopyObject()} - } c.defaulter.Default(obj) - } else { - if isVersioned { - versioned.Objects = []runtime.Object{obj} - } } // Short-circuit conversion if the into object is same object if into == obj { - if isVersioned { - return versioned, gvk, nil - } return into, gvk, nil } @@ -138,19 +160,9 @@ func (c *codec) Decode(data []byte, defaultGVK *schema.GroupVersionKind, into ru return nil, gvk, err } - if isVersioned { - versioned.Objects = append(versioned.Objects, into) - return versioned, gvk, nil - } return into, gvk, nil } - // Convert if needed. - if isVersioned { - // create a copy, because ConvertToVersion does not guarantee non-mutation of objects - versioned.Objects = []runtime.Object{obj.DeepCopyObject()} - } - // perform defaulting if requested if c.defaulter != nil { c.defaulter.Default(obj) @@ -160,18 +172,19 @@ func (c *codec) Decode(data []byte, defaultGVK *schema.GroupVersionKind, into ru if err != nil { return nil, gvk, err } - if isVersioned { - if versioned.Last() != out { - versioned.Objects = append(versioned.Objects, out) - } - return versioned, gvk, nil - } return out, gvk, nil } // Encode ensures the provided object is output in the appropriate group and version, invoking // conversion if necessary. Unversioned objects (according to the ObjectTyper) are output as is. func (c *codec) Encode(obj runtime.Object, w io.Writer) error { + if co, ok := obj.(runtime.CacheableObject); ok { + return co.CacheEncode(c.Identifier(), c.doEncode, w) + } + return c.doEncode(obj, w) +} + +func (c *codec) doEncode(obj runtime.Object, w io.Writer) error { switch obj := obj.(type) { case *runtime.Unknown: return c.encoder.Encode(obj, w) @@ -230,3 +243,8 @@ func (c *codec) Encode(obj runtime.Object, w io.Writer) error { // Conversion is responsible for setting the proper group, version, and kind onto the outgoing object return c.encoder.Encode(out, w) } + +// Identifier implements runtime.Encoder interface. +func (c *codec) Identifier() runtime.Identifier { + return c.identifier +} diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/types.go b/vendor/k8s.io/apimachinery/pkg/runtime/types.go index 3d3ebe5f9..31359f35f 100644 --- a/vendor/k8s.io/apimachinery/pkg/runtime/types.go +++ b/vendor/k8s.io/apimachinery/pkg/runtime/types.go @@ -95,7 +95,7 @@ type RawExtension struct { // Raw is the underlying serialization of this object. // // TODO: Determine how to detect ContentType and ContentEncoding of 'Raw' data. - Raw []byte `protobuf:"bytes,1,opt,name=raw"` + Raw []byte `json:"-" protobuf:"bytes,1,opt,name=raw"` // Object can hold a representation of this extension - useful for working with versioned // structs. Object Object `json:"-"` @@ -124,16 +124,3 @@ type Unknown struct { // Unspecified means ContentTypeJSON. ContentType string `protobuf:"bytes,4,opt,name=contentType"` } - -// VersionedObjects is used by Decoders to give callers a way to access all versions -// of an object during the decoding process. -// -// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object -// +k8s:deepcopy-gen=true -type VersionedObjects struct { - // Objects is the set of objects retrieved during decoding, in order of conversion. - // The 0 index is the object as serialized on the wire. If conversion has occurred, - // other objects may be present. The right most object is the same as would be returned - // by a normal Decode call. - Objects []Object -} diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/zz_generated.deepcopy.go b/vendor/k8s.io/apimachinery/pkg/runtime/zz_generated.deepcopy.go index 8b9182f35..b0393839e 100644 --- a/vendor/k8s.io/apimachinery/pkg/runtime/zz_generated.deepcopy.go +++ b/vendor/k8s.io/apimachinery/pkg/runtime/zz_generated.deepcopy.go @@ -73,36 +73,3 @@ func (in *Unknown) DeepCopyObject() Object { } return nil } - -// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. -func (in *VersionedObjects) DeepCopyInto(out *VersionedObjects) { - *out = *in - if in.Objects != nil { - in, out := &in.Objects, &out.Objects - *out = make([]Object, len(*in)) - for i := range *in { - if (*in)[i] != nil { - (*out)[i] = (*in)[i].DeepCopyObject() - } - } - } - return -} - -// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new VersionedObjects. -func (in *VersionedObjects) DeepCopy() *VersionedObjects { - if in == nil { - return nil - } - out := new(VersionedObjects) - in.DeepCopyInto(out) - return out -} - -// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new Object. -func (in *VersionedObjects) DeepCopyObject() Object { - if c := in.DeepCopy(); c != nil { - return c - } - return nil -} |