vendor files

vendor/k8s.io/apimachinery/pkg/api/testing/codec.go

@@ -0,0 +1,86 @@
+/*
+Copyright 2017 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 testing
+
+import (
+	"fmt"
+	"mime"
+	"os"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
+	"k8s.io/apimachinery/pkg/runtime/serializer/recognizer"
+)
+
+var (
+	testCodecMediaType        string
+	testStorageCodecMediaType string
+)
+
+// TestCodec returns the codec for the API version to test against, as set by the
+// KUBE_TEST_API_TYPE env var.
+func TestCodec(codecs runtimeserializer.CodecFactory, gvs ...schema.GroupVersion) runtime.Codec {
+	if len(testCodecMediaType) != 0 {
+		serializerInfo, ok := runtime.SerializerInfoForMediaType(codecs.SupportedMediaTypes(), testCodecMediaType)
+		if !ok {
+			panic(fmt.Sprintf("no serializer for %s", testCodecMediaType))
+		}
+		return codecs.CodecForVersions(serializerInfo.Serializer, codecs.UniversalDeserializer(), schema.GroupVersions(gvs), nil)
+	}
+	return codecs.LegacyCodec(gvs...)
+}
+
+// TestStorageCodec returns the codec for the API version to test against used in storage, as set by the
+// KUBE_TEST_API_STORAGE_TYPE env var.
+func TestStorageCodec(codecs runtimeserializer.CodecFactory, gvs ...schema.GroupVersion) runtime.Codec {
+	if len(testStorageCodecMediaType) != 0 {
+		serializerInfo, ok := runtime.SerializerInfoForMediaType(codecs.SupportedMediaTypes(), testStorageCodecMediaType)
+		if !ok {
+			panic(fmt.Sprintf("no serializer for %s", testStorageCodecMediaType))
+		}
+
+		// etcd2 only supports string data - we must wrap any result before returning
+		// TODO: remove for etcd3 / make parameterizable
+		serializer := serializerInfo.Serializer
+		if !serializerInfo.EncodesAsText {
+			serializer = runtime.NewBase64Serializer(serializer, serializer)
+		}
+
+		decoder := recognizer.NewDecoder(serializer, codecs.UniversalDeserializer())
+		return codecs.CodecForVersions(serializer, decoder, schema.GroupVersions(gvs), nil)
+
+	}
+	return codecs.LegacyCodec(gvs...)
+}
+
+func init() {
+	var err error
+	if apiMediaType := os.Getenv("KUBE_TEST_API_TYPE"); len(apiMediaType) > 0 {
+		testCodecMediaType, _, err = mime.ParseMediaType(apiMediaType)
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	if storageMediaType := os.Getenv("KUBE_TEST_API_STORAGE_TYPE"); len(storageMediaType) > 0 {
+		testStorageCodecMediaType, _, err = mime.ParseMediaType(storageMediaType)
+		if err != nil {
+			panic(err)
+		}
+	}
+}