From f5bda9994d5e6cb1ee42ade5e7786059feedf633 Mon Sep 17 00:00:00 2001 From: TomSweeneyRedHat Date: Tue, 14 Jan 2020 14:46:46 -0500 Subject: Bump to Buildah v1.13.1 Signed-off-by: TomSweeneyRedHat --- .../k8s.io/apimachinery/pkg/runtime/negotiate.go | 146 +++++++++++++++++++++ 1 file changed, 146 insertions(+) create mode 100644 vendor/k8s.io/apimachinery/pkg/runtime/negotiate.go (limited to 'vendor/k8s.io/apimachinery/pkg/runtime/negotiate.go') 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 +} -- cgit v1.2.3-54-g00ecf