Merge pull request #71158 from liggitt/revert-openapi-publish

Revert openapi publish

hack/import-restrictions.yaml

@@ -123,7 +123,6 @@
   - k8s.io/apiserver
   - k8s.io/client-go
   - k8s.io/klog
-  - k8s.io/kube-openapi
 
 - baseImportPath: "./vendor/k8s.io/kube-openapi/"
   allowedImports:

staging/src/k8s.io/apiextensions-apiserver/BUILD

@@ -50,7 +50,6 @@ filegroup(
         "//staging/src/k8s.io/apiextensions-apiserver/pkg/controller/status:all-srcs",
         "//staging/src/k8s.io/apiextensions-apiserver/pkg/crdserverscheme:all-srcs",
         "//staging/src/k8s.io/apiextensions-apiserver/pkg/features:all-srcs",
-        "//staging/src/k8s.io/apiextensions-apiserver/pkg/openapi:all-srcs",
         "//staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresource:all-srcs",
         "//staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresourcedefinition:all-srcs",
         "//staging/src/k8s.io/apiextensions-apiserver/test/integration:all-srcs",

staging/src/k8s.io/apiextensions-apiserver/Godeps/Godeps.json

@@ -2262,10 +2262,6 @@
 			"ImportPath": "k8s.io/klog",
 			"Rev": "8139d8cb77af419532b33dfa7dd09fbc5f1d344f"
 		},
-		{
-			"ImportPath": "k8s.io/kube-openapi/pkg/aggregator",
-			"Rev": "c59034cc13d587f5ef4e85ca0ade0c1866ae8e1d"
-		},
 		{
 			"ImportPath": "k8s.io/kube-openapi/pkg/builder",
 			"Rev": "c59034cc13d587f5ef4e85ca0ade0c1866ae8e1d"

staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/BUILD

@@ -36,7 +36,6 @@ go_library(
         "//staging/src/k8s.io/apiextensions-apiserver/pkg/controller/status:go_default_library",
         "//staging/src/k8s.io/apiextensions-apiserver/pkg/crdserverscheme:go_default_library",
         "//staging/src/k8s.io/apiextensions-apiserver/pkg/features:go_default_library",
-        "//staging/src/k8s.io/apiextensions-apiserver/pkg/openapi:go_default_library",
         "//staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresource:go_default_library",
         "//staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresource/tableconvertor:go_default_library",
         "//staging/src/k8s.io/apiextensions-apiserver/pkg/registry/customresourcedefinition:go_default_library",

staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/apiserver.go

@@ -41,7 +41,6 @@ import (
 	"k8s.io/apiextensions-apiserver/pkg/controller/establish"
 	"k8s.io/apiextensions-apiserver/pkg/controller/finalizer"
 	"k8s.io/apiextensions-apiserver/pkg/controller/status"
-	openapiaggregator "k8s.io/apiextensions-apiserver/pkg/openapi"
 	"k8s.io/apiextensions-apiserver/pkg/registry/customresourcedefinition"
 
 	_ "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
@@ -205,13 +204,7 @@ func (c completedConfig) New(delegationTarget genericapiserver.DelegationTarget)
 		return nil
 	})
 	s.GenericAPIServer.AddPostStartHook("start-apiextensions-controllers", func(context genericapiserver.PostStartHookContext) error {
-		// create OpenAPI aggregation manager in the last step because only now genericapiserver's the OpenAPI services and spec is available (after PrepareRun).
-		crdOpenAPIAggregationManager, err := openapiaggregator.NewAggregationManager(s.GenericAPIServer.OpenAPIService, s.GenericAPIServer.OpenAPIVersionedService, s.GenericAPIServer.StaticOpenAPISpec)
-		if err != nil {
-			return err
-		}
-
-		go crdController.Run(context.StopCh, crdOpenAPIAggregationManager)
+		go crdController.Run(context.StopCh)
 		go namingController.Run(context.StopCh)
 		go establishingController.Run(context.StopCh)
 		go finalizingController.Run(5, context.StopCh)

staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/customresource_discovery_controller.go

@@ -31,15 +31,12 @@ import (
 	"k8s.io/apimachinery/pkg/util/wait"
 	"k8s.io/apimachinery/pkg/version"
 	"k8s.io/apiserver/pkg/endpoints/discovery"
-	utilfeature "k8s.io/apiserver/pkg/util/feature"
 	"k8s.io/client-go/tools/cache"
 	"k8s.io/client-go/util/workqueue"
 
 	"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
 	informers "k8s.io/apiextensions-apiserver/pkg/client/informers/internalversion/apiextensions/internalversion"
 	listers "k8s.io/apiextensions-apiserver/pkg/client/listers/apiextensions/internalversion"
-	apiextensionsfeatures "k8s.io/apiextensions-apiserver/pkg/features"
-	apiextensionsopenapi "k8s.io/apiextensions-apiserver/pkg/openapi"
 )
 
 type DiscoveryController struct {
@@ -53,8 +50,6 @@ type DiscoveryController struct {
 	syncFn func(version schema.GroupVersion) error
 
 	queue workqueue.RateLimitingInterface
-
-	openAPIAggregationManager apiextensionsopenapi.AggregationManager
 }
 
 func NewDiscoveryController(crdInformer informers.CustomResourceDefinitionInformer, versionHandler *versionDiscoveryHandler, groupHandler *groupDiscoveryHandler) *DiscoveryController {
@@ -88,7 +83,6 @@ func (c *DiscoveryController) sync(version schema.GroupVersion) error {
 	if err != nil {
 		return err
 	}
-	apiServiceName := version.Group + "." + version.Version
 	foundVersion := false
 	foundGroup := false
 	for _, crd := range crds {
@@ -125,25 +119,6 @@ func (c *DiscoveryController) sync(version schema.GroupVersion) error {
 			continue
 		}
 		foundVersion = true
-		if c.openAPIAggregationManager != nil && utilfeature.DefaultFeatureGate.Enabled(apiextensionsfeatures.CustomResourceValidation) {
-			validationSchema, err := getSchemaForVersion(crd, version.Version)
-			if err != nil {
-				return err
-			}
-
-			// We aggregate the schema even if it's nil as it maybe a removal of the schema for this CRD,
-			// and the aggreated OpenAPI spec should reflect this change.
-			crdspec, etag, err := apiextensionsopenapi.CustomResourceDefinitionOpenAPISpec(&crd.Spec, version.Version, validationSchema)
-			if err != nil {
-				return err
-			}
-
-			// Add/update the local API service's spec for the CRD in apiExtensionsServer's
-			// openAPIAggregationManager
-			if err := c.openAPIAggregationManager.AddUpdateLocalAPIServiceSpec(apiServiceName, crdspec, etag); err != nil {
-				return err
-			}
-		}
 
 		verbs := metav1.Verbs([]string{"delete", "deletecollection", "get", "list", "patch", "create", "update", "watch"})
 		// if we're terminating we don't allow some verbs
@@ -189,14 +164,6 @@ func (c *DiscoveryController) sync(version schema.GroupVersion) error {
 	if !foundGroup {
 		c.groupHandler.unsetDiscovery(version.Group)
 		c.versionHandler.unsetDiscovery(version)
-		if c.openAPIAggregationManager != nil && utilfeature.DefaultFeatureGate.Enabled(apiextensionsfeatures.CustomResourceValidation) {
-			// Remove the local API service for the CRD in apiExtensionsServer's
-			// openAPIAggregationManager.
-			// Note that we don't check if apiServiceName exists in openAPIAggregationManager
-			// because RemoveAPIServiceSpec properly handles non-existing API service by
-			// returning no error.
-			return c.openAPIAggregationManager.RemoveAPIServiceSpec(apiServiceName)
-		}
 		return nil
 	}
 
@@ -213,14 +180,6 @@ func (c *DiscoveryController) sync(version schema.GroupVersion) error {
 
 	if !foundVersion {
 		c.versionHandler.unsetDiscovery(version)
-		if c.openAPIAggregationManager != nil && utilfeature.DefaultFeatureGate.Enabled(apiextensionsfeatures.CustomResourceValidation) {
-			// Remove the local API service for the CRD in apiExtensionsServer's
-			// openAPIAggregationManager.
-			// Note that we don't check if apiServiceName exists in openAPIAggregationManager
-			// because RemoveAPIServiceSpec properly handles non-existing API service by
-			// returning no error.
-			return c.openAPIAggregationManager.RemoveAPIServiceSpec(apiServiceName)
-		}
 		return nil
 	}
 	c.versionHandler.setDiscovery(version, discovery.NewAPIVersionHandler(Codecs, version, discovery.APIResourceListerFunc(func() []metav1.APIResource {
@@ -236,15 +195,13 @@ func sortGroupDiscoveryByKubeAwareVersion(gd []metav1.GroupVersionForDiscovery)
 	})
 }
 
-func (c *DiscoveryController) Run(stopCh <-chan struct{}, crdOpenAPIAggregationManager apiextensionsopenapi.AggregationManager) {
+func (c *DiscoveryController) Run(stopCh <-chan struct{}) {
 	defer utilruntime.HandleCrash()
 	defer c.queue.ShutDown()
 	defer klog.Infof("Shutting down DiscoveryController")
 
 	klog.Infof("Starting DiscoveryController")
 
-	c.openAPIAggregationManager = crdOpenAPIAggregationManager
-
 	if !cache.WaitForCacheSync(stopCh, c.crdsSynced) {
 		utilruntime.HandleError(fmt.Errorf("timed out waiting for caches to sync"))
 		return

staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/validation/validation.go

@@ -50,17 +50,8 @@ func ValidateCustomResource(customResource interface{}, validator *validate.Sche
 	return nil
 }
 
-// ConvertJSONSchemaProps converts the schema from apiextensions.JSONSchemaPropos to go-openapi/spec.Schema.
+// ConvertJSONSchemaProps converts the schema from apiextensions.JSONSchemaPropos to go-openapi/spec.Schema
 func ConvertJSONSchemaProps(in *apiextensions.JSONSchemaProps, out *spec.Schema) error {
-	return ConvertJSONSchemaPropsWithPostProcess(in, out, nil)
-}
-
-// PostProcessFunc post-processes one node of a spec.Schema.
-type PostProcessFunc func(*spec.Schema) error
-
-// ConvertJSONSchemaPropsWithPostProcess converts the schema from apiextensions.JSONSchemaPropos to go-openapi/spec.Schema
-// and run a post process step on each JSONSchemaProps node.
-func ConvertJSONSchemaPropsWithPostProcess(in *apiextensions.JSONSchemaProps, out *spec.Schema, postProcess PostProcessFunc) error {
 	if in == nil {
 		return nil
 	}
@@ -95,43 +86,41 @@ func ConvertJSONSchemaPropsWithPostProcess(in *apiextensions.JSONSchemaProps, ou
 		out.Example = *(in.Example)
 	}
 
-	if in.Enum != nil {
-		out.Enum = make([]interface{}, len(in.Enum))
-		for k, v := range in.Enum {
-			out.Enum[k] = v
-		}
+	out.Enum = make([]interface{}, len(in.Enum))
+	for k, v := range in.Enum {
+		out.Enum[k] = v
 	}
 
-	if err := convertSliceOfJSONSchemaProps(&in.AllOf, &out.AllOf, postProcess); err != nil {
+	if err := convertSliceOfJSONSchemaProps(&in.AllOf, &out.AllOf); err != nil {
 		return err
 	}
-	if err := convertSliceOfJSONSchemaProps(&in.OneOf, &out.OneOf, postProcess); err != nil {
+	if err := convertSliceOfJSONSchemaProps(&in.OneOf, &out.OneOf); err != nil {
 		return err
 	}
-	if err := convertSliceOfJSONSchemaProps(&in.AnyOf, &out.AnyOf, postProcess); err != nil {
+	if err := convertSliceOfJSONSchemaProps(&in.AnyOf, &out.AnyOf); err != nil {
 		return err
 	}
 
 	if in.Not != nil {
 		in, out := &in.Not, &out.Not
 		*out = new(spec.Schema)
-		if err := ConvertJSONSchemaPropsWithPostProcess(*in, *out, postProcess); err != nil {
+		if err := ConvertJSONSchemaProps(*in, *out); err != nil {
 			return err
 		}
 	}
 
 	var err error
-	out.Properties, err = convertMapOfJSONSchemaProps(in.Properties, postProcess)
+	out.Properties, err = convertMapOfJSONSchemaProps(in.Properties)
 	if err != nil {
 		return err
 	}
 
-	out.PatternProperties, err = convertMapOfJSONSchemaProps(in.PatternProperties, postProcess)
+	out.PatternProperties, err = convertMapOfJSONSchemaProps(in.PatternProperties)
 	if err != nil {
 		return err
 	}
 
-	out.Definitions, err = convertMapOfJSONSchemaProps(in.Definitions, postProcess)
+	out.Definitions, err = convertMapOfJSONSchemaProps(in.Definitions)
 	if err != nil {
 		return err
 	}
@@ -146,7 +135,7 @@ func ConvertJSONSchemaPropsWithPostProcess(in *apiextensions.JSONSchemaProps, ou
 	if in.AdditionalProperties != nil {
 		in, out := &in.AdditionalProperties, &out.AdditionalProperties
 		*out = new(spec.SchemaOrBool)
-		if err := convertJSONSchemaPropsorBool(*in, *out, postProcess); err != nil {
+		if err := convertJSONSchemaPropsorBool(*in, *out); err != nil {
 			return err
 		}
 	}
@@ -154,7 +143,7 @@ func ConvertJSONSchemaPropsWithPostProcess(in *apiextensions.JSONSchemaProps, ou
 	if in.AdditionalItems != nil {
 		in, out := &in.AdditionalItems, &out.AdditionalItems
 		*out = new(spec.SchemaOrBool)
-		if err := convertJSONSchemaPropsorBool(*in, *out, postProcess); err != nil {
+		if err := convertJSONSchemaPropsorBool(*in, *out); err != nil {
 			return err
 		}
 	}
@@ -162,7 +151,7 @@ func ConvertJSONSchemaPropsWithPostProcess(in *apiextensions.JSONSchemaProps, ou
 	if in.Items != nil {
 		in, out := &in.Items, &out.Items
 		*out = new(spec.SchemaOrArray)
-		if err := convertJSONSchemaPropsOrArray(*in, *out, postProcess); err != nil {
+		if err := convertJSONSchemaPropsOrArray(*in, *out); err != nil {
 			return err
 		}
 	}
@@ -172,7 +161,7 @@ func ConvertJSONSchemaPropsWithPostProcess(in *apiextensions.JSONSchemaProps, ou
 		*out = make(spec.Dependencies, len(*in))
 		for key, val := range *in {
 			newVal := new(spec.SchemaOrStringArray)
-			if err := convertJSONSchemaPropsOrStringArray(&val, newVal, postProcess); err != nil {
+			if err := convertJSONSchemaPropsOrStringArray(&val, newVal); err != nil {
 				return err
 			}
 			(*out)[key] = *newVal
@@ -185,20 +174,14 @@ func ConvertJSONSchemaPropsWithPostProcess(in *apiextensions.JSONSchemaProps, ou
 		out.ExternalDocs.URL = in.ExternalDocs.URL
 	}
 
-	if postProcess != nil {
-		if err := postProcess(out); err != nil {
-			return err
-		}
-	}
-
 	return nil
 }
 
-func convertSliceOfJSONSchemaProps(in *[]apiextensions.JSONSchemaProps, out *[]spec.Schema, postProcess PostProcessFunc) error {
+func convertSliceOfJSONSchemaProps(in *[]apiextensions.JSONSchemaProps, out *[]spec.Schema) error {
 	if in != nil {
 		for _, jsonSchemaProps := range *in {
 			schema := spec.Schema{}
-			if err := ConvertJSONSchemaPropsWithPostProcess(&jsonSchemaProps, &schema, postProcess); err != nil {
+			if err := ConvertJSONSchemaProps(&jsonSchemaProps, &schema); err != nil {
 				return err
 			}
 			*out = append(*out, schema)
@@ -207,27 +190,25 @@ func convertSliceOfJSONSchemaProps(in *[]apiextensions.JSONSchemaProps, out *[]s
 	return nil
 }
 
-func convertMapOfJSONSchemaProps(in map[string]apiextensions.JSONSchemaProps, postProcess PostProcessFunc) (map[string]spec.Schema, error) {
-	if in == nil {
-		return nil, nil
-	}
-
+func convertMapOfJSONSchemaProps(in map[string]apiextensions.JSONSchemaProps) (map[string]spec.Schema, error) {
 	out := make(map[string]spec.Schema)
-	for k, jsonSchemaProps := range in {
-		schema := spec.Schema{}
-		if err := ConvertJSONSchemaPropsWithPostProcess(&jsonSchemaProps, &schema, postProcess); err != nil {
-			return nil, err
+	if len(in) != 0 {
+		for k, jsonSchemaProps := range in {
+			schema := spec.Schema{}
+			if err := ConvertJSONSchemaProps(&jsonSchemaProps, &schema); err != nil {
+				return nil, err
+			}
+			out[k] = schema
 		}
-		out[k] = schema
 	}
 	return out, nil
 }
 
-func convertJSONSchemaPropsOrArray(in *apiextensions.JSONSchemaPropsOrArray, out *spec.SchemaOrArray, postProcess PostProcessFunc) error {
+func convertJSONSchemaPropsOrArray(in *apiextensions.JSONSchemaPropsOrArray, out *spec.SchemaOrArray) error {
 	if in.Schema != nil {
 		in, out := &in.Schema, &out.Schema
 		*out = new(spec.Schema)
-		if err := ConvertJSONSchemaPropsWithPostProcess(*in, *out, postProcess); err != nil {
+		if err := ConvertJSONSchemaProps(*in, *out); err != nil {
 			return err
 		}
 	}
@@ -235,7 +216,7 @@ func convertJSONSchemaPropsOrArray(in *apiextensions.JSONSchemaPropsOrArray, out
 		in, out := &in.JSONSchemas, &out.Schemas
 		*out = make([]spec.Schema, len(*in))
 		for i := range *in {
-			if err := ConvertJSONSchemaPropsWithPostProcess(&(*in)[i], &(*out)[i], postProcess); err != nil {
+			if err := ConvertJSONSchemaProps(&(*in)[i], &(*out)[i]); err != nil {
 				return err
 			}
 		}
@@ -243,24 +224,24 @@ func convertJSONSchemaPropsOrArray(in *apiextensions.JSONSchemaPropsOrArray, out
 	return nil
 }
 
-func convertJSONSchemaPropsorBool(in *apiextensions.JSONSchemaPropsOrBool, out *spec.SchemaOrBool, postProcess PostProcessFunc) error {
+func convertJSONSchemaPropsorBool(in *apiextensions.JSONSchemaPropsOrBool, out *spec.SchemaOrBool) error {
 	out.Allows = in.Allows
 	if in.Schema != nil {
 		in, out := &in.Schema, &out.Schema
 		*out = new(spec.Schema)
-		if err := ConvertJSONSchemaPropsWithPostProcess(*in, *out, postProcess); err != nil {
+		if err := ConvertJSONSchemaProps(*in, *out); err != nil {
 			return err
 		}
 	}
 	return nil
 }
 
-func convertJSONSchemaPropsOrStringArray(in *apiextensions.JSONSchemaPropsOrStringArray, out *spec.SchemaOrStringArray, postProcess PostProcessFunc) error {
+func convertJSONSchemaPropsOrStringArray(in *apiextensions.JSONSchemaPropsOrStringArray, out *spec.SchemaOrStringArray) error {
 	out.Property = in.Property
 	if in.Schema != nil {
 		in, out := &in.Schema, &out.Schema
 		*out = new(spec.Schema)
-		if err := ConvertJSONSchemaPropsWithPostProcess(*in, *out, postProcess); err != nil {
+		if err := ConvertJSONSchemaProps(*in, *out); err != nil {
 			return err
 		}
 	}

staging/src/k8s.io/apiextensions-apiserver/pkg/openapi/BUILD

@@ -1,49 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "aggregator.go",
-        "construction.go",
-        "conversion.go",
-        "swagger_util.go",
-    ],
-    importmap = "k8s.io/kubernetes/vendor/k8s.io/apiextensions-apiserver/pkg/openapi",
-    importpath = "k8s.io/apiextensions-apiserver/pkg/openapi",
-    visibility = ["//visibility:public"],
-    deps = [
-        "//staging/src/k8s.io/api/autoscaling/v1:go_default_library",
-        "//staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions:go_default_library",
-        "//staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/validation:go_default_library",
-        "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
-        "//staging/src/k8s.io/apimachinery/pkg/util/runtime:go_default_library",
-        "//vendor/github.com/go-openapi/spec:go_default_library",
-        "//vendor/k8s.io/kube-openapi/pkg/aggregator:go_default_library",
-        "//vendor/k8s.io/kube-openapi/pkg/handler:go_default_library",
-    ],
-)
-
-go_test(
-    name = "go_default_test",
-    srcs = ["conversion_test.go"],
-    embed = [":go_default_library"],
-    deps = [
-        "//staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions:go_default_library",
-        "//staging/src/k8s.io/apimachinery/pkg/util/diff:go_default_library",
-        "//vendor/github.com/go-openapi/spec:go_default_library",
-    ],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [":package-srcs"],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)

staging/src/k8s.io/apiextensions-apiserver/pkg/openapi/aggregator.go

@@ -1,232 +0,0 @@
-/*
-Copyright 2018 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 openapi
-
-import (
-	"fmt"
-	"sync"
-
-	"github.com/go-openapi/spec"
-
-	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
-	"k8s.io/kube-openapi/pkg/aggregator"
-	"k8s.io/kube-openapi/pkg/handler"
-)
-
-// AggregationManager is the interface between OpenAPI Aggregator service and a controller
-// that manages CRD openapi spec aggregation
-type AggregationManager interface {
-	// AddUpdateLocalAPIService allows adding/updating local API service with nil handler and
-	// nil Spec.Service. This function can be used for local dynamic OpenAPI spec aggregation
-	// management (e.g. CRD)
-	AddUpdateLocalAPIServiceSpec(name string, spec *spec.Swagger, etag string) error
-	RemoveAPIServiceSpec(apiServiceName string) error
-}
-
-type specAggregator struct {
-	// mutex protects all members of this struct.
-	rwMutex sync.RWMutex
-
-	// Map of API Services' OpenAPI specs by their name
-	openAPISpecs map[string]*openAPISpecInfo
-
-	// provided for dynamic OpenAPI spec
-	openAPIService          *handler.OpenAPIService
-	openAPIVersionedService *handler.OpenAPIService
-}
-
-var _ AggregationManager = &specAggregator{}
-
-// NewAggregationManager constructs a specAggregator from input openAPIService, openAPIVersionedService and
-// recorded static OpenAPI spec. The function returns an AggregationManager interface.
-func NewAggregationManager(openAPIService, openAPIVersionedService *handler.OpenAPIService, staticSpec *spec.Swagger) (AggregationManager, error) {
-	// openAPIVersionedService and deprecated openAPIService should be initialized together
-	if (openAPIService == nil) != (openAPIVersionedService == nil) {
-		return nil, fmt.Errorf("unexpected openapi service initialization error")
-	}
-	return &specAggregator{
-		openAPISpecs: map[string]*openAPISpecInfo{
-			"initial_static_spec": {
-				spec: staticSpec,
-			},
-		},
-		openAPIService:          openAPIService,
-		openAPIVersionedService: openAPIVersionedService,
-	}, nil
-}
-
-// openAPISpecInfo is used to store OpenAPI spec with its priority.
-// It can be used to sort specs with their priorities.
-type openAPISpecInfo struct {
-	// Name of a registered ApiService
-	name string
-
-	// Specification of this API Service. If null then the spec is not loaded yet.
-	spec *spec.Swagger
-	etag string
-}
-
-// buildOpenAPISpec aggregates all OpenAPI specs.  It is not thread-safe. The caller is responsible to hold proper locks.
-func (s *specAggregator) buildOpenAPISpec() (specToReturn *spec.Swagger, err error) {
-	specs := []openAPISpecInfo{}
-	for _, specInfo := range s.openAPISpecs {
-		if specInfo.spec == nil {
-			continue
-		}
-		specs = append(specs, *specInfo)
-	}
-	if len(specs) == 0 {
-		return &spec.Swagger{}, nil
-	}
-	for _, specInfo := range specs {
-		if specToReturn == nil {
-			specToReturn, err = aggregator.CloneSpec(specInfo.spec)
-			if err != nil {
-				return nil, err
-			}
-			continue
-		}
-		mergeSpecs(specToReturn, specInfo.spec)
-	}
-	// Add minimum required keys if missing, to properly serve the OpenAPI spec
-	// through apiextensions-apiserver HTTP handler. These keys will not be
-	// aggregated to top-level OpenAPI spec (only paths and definitions will).
-	// However these keys make the OpenAPI->proto serialization happy.
-	if specToReturn.Info == nil {
-		specToReturn.Info = &spec.Info{
-			InfoProps: spec.InfoProps{
-				Title: "Kubernetes",
-			},
-		}
-	}
-	if len(specToReturn.Swagger) == 0 {
-		specToReturn.Swagger = "2.0"
-	}
-	return specToReturn, nil
-}
-
-// updateOpenAPISpec aggregates all OpenAPI specs.  It is not thread-safe. The caller is responsible to hold proper locks.
-func (s *specAggregator) updateOpenAPISpec() error {
-	if s.openAPIService == nil || s.openAPIVersionedService == nil {
-		// openAPIVersionedService and deprecated openAPIService should be initialized together
-		if !(s.openAPIService == nil && s.openAPIVersionedService == nil) {
-			return fmt.Errorf("unexpected openapi service initialization error")
-		}
-		return nil
-	}
-	specToServe, err := s.buildOpenAPISpec()
-	if err != nil {
-		return err
-	}
-	// openAPIService.UpdateSpec and openAPIVersionedService.UpdateSpec read the same swagger spec
-	// serially and update their local caches separately. Both endpoints will have same spec in
-	// their caches if the caller is holding proper locks.
-	err = s.openAPIService.UpdateSpec(specToServe)
-	if err != nil {
-		return err
-	}
-	return s.openAPIVersionedService.UpdateSpec(specToServe)
-}
-
-// tryUpdatingServiceSpecs tries updating openAPISpecs map with specified specInfo, and keeps the map intact
-// if the update fails.
-func (s *specAggregator) tryUpdatingServiceSpecs(specInfo *openAPISpecInfo) error {
-	orgSpecInfo, exists := s.openAPISpecs[specInfo.name]
-	s.openAPISpecs[specInfo.name] = specInfo
-	if err := s.updateOpenAPISpec(); err != nil {
-		if exists {
-			s.openAPISpecs[specInfo.name] = orgSpecInfo
-		} else {
-			delete(s.openAPISpecs, specInfo.name)
-		}
-		return err
-	}
-	return nil
-}
-
-// tryDeleteServiceSpecs tries delete specified specInfo from openAPISpecs map, and keeps the map intact
-// if the update fails.
-func (s *specAggregator) tryDeleteServiceSpecs(apiServiceName string) error {
-	orgSpecInfo, exists := s.openAPISpecs[apiServiceName]
-	if !exists {
-		return nil
-	}
-	delete(s.openAPISpecs, apiServiceName)
-	if err := s.updateOpenAPISpec(); err != nil {
-		s.openAPISpecs[apiServiceName] = orgSpecInfo
-		return err
-	}
-	return nil
-}
-
-// AddUpdateLocalAPIService allows adding/updating local API service with nil handler and
-// nil Spec.Service. This function can be used for local dynamic OpenAPI spec aggregation
-// management (e.g. CRD)
-func (s *specAggregator) AddUpdateLocalAPIServiceSpec(name string, spec *spec.Swagger, etag string) error {
-	s.rwMutex.Lock()
-	defer s.rwMutex.Unlock()
-
-	return s.tryUpdatingServiceSpecs(&openAPISpecInfo{
-		name: name,
-		spec: spec,
-		etag: etag,
-	})
-}
-
-// RemoveAPIServiceSpec removes an api service from OpenAPI aggregation. If it does not exist, no error is returned.
-// It is thread safe.
-func (s *specAggregator) RemoveAPIServiceSpec(apiServiceName string) error {
-	s.rwMutex.Lock()
-	defer s.rwMutex.Unlock()
-
-	if _, existingService := s.openAPISpecs[apiServiceName]; !existingService {
-		return nil
-	}
-
-	return s.tryDeleteServiceSpecs(apiServiceName)
-}
-
-// mergeSpecs simply adds source openapi spec to dest and ignores any path/definition
-// conflicts because CRD openapi spec should not have conflict
-func mergeSpecs(dest, source *spec.Swagger) {
-	// Paths may be empty, due to [ACL constraints](http://goo.gl/8us55a#securityFiltering).
-	if source.Paths == nil {
-		// If Path is nil, none of the model defined in Definitions is used and we
-		// should not do anything.
-		// NOTE: this should not happen for CRD specs, because we automatically construct
-		// the Paths for CRD specs. We use utilruntime.HandleError to log this impossible
-		// case
-		utilruntime.HandleError(fmt.Errorf("unexpected CRD spec with empty Path: %v", *source))
-		return
-	}
-	if dest.Paths == nil {
-		dest.Paths = &spec.Paths{}
-	}
-	for k, v := range source.Definitions {
-		if dest.Definitions == nil {
-			dest.Definitions = spec.Definitions{}
-		}
-		dest.Definitions[k] = v
-	}
-	for k, v := range source.Paths.Paths {
-		// PathItem may be empty, due to [ACL constraints](http://goo.gl/8us55a#securityFiltering).
-		if dest.Paths.Paths == nil {
-			dest.Paths.Paths = map[string]spec.PathItem{}
-		}
-		dest.Paths.Paths[k] = v
-	}
-}

staging/src/k8s.io/apiextensions-apiserver/pkg/openapi/construction.go

@@ -1,371 +0,0 @@
-/*
-Copyright 2018 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 openapi
-
-import (
-	"fmt"
-	"strings"
-
-	"github.com/go-openapi/spec"
-	"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
-)
-
-// ResourceKind determines the scope of an API object: if it's the parent resource,
-// scale subresource or status subresource.
-type ResourceKind string
-
-const (
-	// Resource specifies an object of custom resource kind
-	Resource ResourceKind = "Resource"
-	// Scale specifies an object of custom resource's scale subresource kind
-	Scale ResourceKind = "Scale"
-	// Status specifies an object of custom resource's status subresource kind
-	Status ResourceKind = "Status"
-
-	scaleSchemaRef    = "#/definitions/io.k8s.api.autoscaling.v1.Scale"
-	statusSchemaRef   = "#/definitions/io.k8s.apimachinery.pkg.apis.meta.v1.Status"
-	listMetaSchemaRef = "#/definitions/io.k8s.apimachinery.pkg.apis.meta.v1.ListMeta"
-	patchSchemaRef    = "#/definitions/io.k8s.apimachinery.pkg.apis.meta.v1.Patch"
-)
-
-// SwaggerConstructor takes in CRD OpenAPI schema and CustomResourceDefinitionSpec, and
-// constructs the OpenAPI swagger that an apiserver serves.
-type SwaggerConstructor struct {
-	// schema is the CRD's OpenAPI v2 schema
-	schema *spec.Schema
-
-	status, scale bool
-
-	group    string
-	version  string
-	kind     string
-	listKind string
-	plural   string
-	scope    apiextensions.ResourceScope
-}
-
-// NewSwaggerConstructor creates a new SwaggerConstructor using the CRD OpenAPI schema
-// and CustomResourceDefinitionSpec
-func NewSwaggerConstructor(schema *spec.Schema, crdSpec *apiextensions.CustomResourceDefinitionSpec, version string) (*SwaggerConstructor, error) {
-	ret := &SwaggerConstructor{
-		schema:   schema,
-		group:    crdSpec.Group,
-		version:  version,
-		kind:     crdSpec.Names.Kind,
-		listKind: crdSpec.Names.ListKind,
-		plural:   crdSpec.Names.Plural,
-		scope:    crdSpec.Scope,
-	}
-
-	sub, err := getSubresourcesForVersion(crdSpec, version)
-	if err != nil {
-		return nil, err
-	}
-	if sub != nil {
-		ret.status = sub.Status != nil
-		ret.scale = sub.Scale != nil
-	}
-
-	return ret, nil
-}
-
-// ConstructCRDOpenAPISpec constructs the complete OpenAPI swagger (spec).
-func (c *SwaggerConstructor) ConstructCRDOpenAPISpec() *spec.Swagger {
-	basePath := fmt.Sprintf("/apis/%s/%s/%s", c.group, c.version, c.plural)
-	if c.scope == apiextensions.NamespaceScoped {
-		basePath = fmt.Sprintf("/apis/%s/%s/namespaces/{namespace}/%s", c.group, c.version, c.plural)
-	}
-
-	model := fmt.Sprintf("%s.%s.%s", c.group, c.version, c.kind)
-	listModel := fmt.Sprintf("%s.%s.%s", c.group, c.version, c.listKind)
-
-	var schema spec.Schema
-	if c.schema != nil {
-		schema = *c.schema
-	}
-
-	ret := &spec.Swagger{
-		SwaggerProps: spec.SwaggerProps{
-			Paths: &spec.Paths{
-				Paths: map[string]spec.PathItem{
-					basePath: {
-						PathItemProps: spec.PathItemProps{
-							Get:        c.listOperation(),
-							Post:       c.createOperation(),
-							Delete:     c.deleteCollectionOperation(),
-							Parameters: pathParameters(),
-						},
-					},
-					fmt.Sprintf("%s/{name}", basePath): {
-						PathItemProps: spec.PathItemProps{
-							Get:        c.readOperation(Resource),
-							Put:        c.replaceOperation(Resource),
-							Delete:     c.deleteOperation(),
-							Patch:      c.patchOperation(Resource),
-							Parameters: pathParameters(),
-						},
-					},
-				},
-			},
-			Definitions: spec.Definitions{
-				model:     schema,
-				listModel: *c.listSchema(),
-			},
-		},
-	}
-
-	if c.status {
-		ret.SwaggerProps.Paths.Paths[fmt.Sprintf("%s/{name}/status", basePath)] = spec.PathItem{
-			PathItemProps: spec.PathItemProps{
-				Get:        c.readOperation(Status),
-				Put:        c.replaceOperation(Status),
-				Patch:      c.patchOperation(Status),
-				Parameters: pathParameters(),
-			},
-		}
-	}
-
-	if c.scale {
-		ret.SwaggerProps.Paths.Paths[fmt.Sprintf("%s/{name}/scale", basePath)] = spec.PathItem{
-			PathItemProps: spec.PathItemProps{
-				Get:        c.readOperation(Scale),
-				Put:        c.replaceOperation(Scale),
-				Patch:      c.patchOperation(Scale),
-				Parameters: pathParameters(),
-			},
-		}
-		// TODO(roycaihw): this is a hack to let apiExtension apiserver and generic kube-apiserver
-		// to have the same io.k8s.api.autoscaling.v1.Scale definition, so that aggregator server won't
-		// detect name conflict and create a duplicate io.k8s.api.autoscaling.v1.Scale_V2 schema
-		// when aggregating the openapi spec. It would be better if apiExtension apiserver serves
-		// identical definition through the same code path (using routes) as generic kube-apiserver.
-		ret.SwaggerProps.Definitions["io.k8s.api.autoscaling.v1.Scale"] = *scaleSchema()
-		ret.SwaggerProps.Definitions["io.k8s.api.autoscaling.v1.ScaleSpec"] = *scaleSpecSchema()
-		ret.SwaggerProps.Definitions["io.k8s.api.autoscaling.v1.ScaleStatus"] = *scaleStatusSchema()
-	}
-
-	return ret
-}
-
-// baseOperation initializes a base operation that all operations build upon
-func (c *SwaggerConstructor) baseOperation(kind ResourceKind, action string) *spec.Operation {
-	op := spec.NewOperation(c.operationID(kind, action)).
-		WithConsumes(
-			"application/json",
-			"application/yaml",
-		).
-		WithProduces(
-			"application/json",
-			"application/yaml",
-		).
-		WithTags(fmt.Sprintf("%s_%s", c.group, c.version)).
-		RespondsWith(401, unauthorizedResponse())
-	op.Schemes = []string{"https"}
-	op.AddExtension("x-kubernetes-action", action)
-
-	// Add x-kubernetes-group-version-kind extension
-	// For CRD scale subresource, the x-kubernetes-group-version-kind is autoscaling.v1.Scale
-	switch kind {
-	case Scale:
-		op.AddExtension("x-kubernetes-group-version-kind", []map[string]string{
-			{
-				"group":   "autoscaling",
-				"kind":    "Scale",
-				"version": "v1",
-			},
-		})
-	default:
-		op.AddExtension("x-kubernetes-group-version-kind", []map[string]string{
-			{
-				"group":   c.group,
-				"kind":    c.kind,
-				"version": c.version,
-			},
-		})
-	}
-	return op
-}
-
-// listOperation constructs a list operation for a CRD
-func (c *SwaggerConstructor) listOperation() *spec.Operation {
-	op := c.baseOperation(Resource, "list").
-		WithDescription(fmt.Sprintf("list or watch objects of kind %s", c.kind)).
-		RespondsWith(200, okResponse(fmt.Sprintf("#/definitions/%s.%s.%s", c.group, c.version, c.listKind)))
-	return addCollectionOperationParameters(op)
-}
-
-// createOperation constructs a create operation for a CRD
-func (c *SwaggerConstructor) createOperation() *spec.Operation {
-	ref := c.constructSchemaRef(Resource)
-	return c.baseOperation(Resource, "create").
-		WithDescription(fmt.Sprintf("create a %s", c.kind)).
-		RespondsWith(200, okResponse(ref)).
-		RespondsWith(201, createdResponse(ref)).
-		RespondsWith(202, acceptedResponse(ref)).
-		AddParam((&spec.Parameter{ParamProps: spec.ParamProps{Schema: spec.RefSchema(ref)}}).
-			Named("body").
-			WithLocation("body").
-			AsRequired())
-}
-
-// deleteOperation constructs a delete operation for a CRD
-func (c *SwaggerConstructor) deleteOperation() *spec.Operation {
-	op := c.baseOperation(Resource, "delete").
-		WithDescription(fmt.Sprintf("delete a %s", c.kind)).
-		RespondsWith(200, okResponse(statusSchemaRef)).
-		RespondsWith(202, acceptedResponse(statusSchemaRef))
-	return addDeleteOperationParameters(op)
-}
-
-// deleteCollectionOperation constructs a deletecollection operation for a CRD
-func (c *SwaggerConstructor) deleteCollectionOperation() *spec.Operation {
-	op := c.baseOperation(Resource, "deletecollection").
-		WithDescription(fmt.Sprintf("delete collection of %s", c.kind))
-	return addCollectionOperationParameters(op)
-}
-
-// readOperation constructs a read operation for a CRD, CRD's scale subresource
-// or CRD's status subresource
-func (c *SwaggerConstructor) readOperation(kind ResourceKind) *spec.Operation {
-	ref := c.constructSchemaRef(kind)
-	action := "read"
-	return c.baseOperation(kind, action).
-		WithDescription(c.constructDescription(kind, action)).
-		RespondsWith(200, okResponse(ref))
-}
-
-// replaceOperation constructs a replace operation for a CRD, CRD's scale subresource
-// or CRD's status subresource
-func (c *SwaggerConstructor) replaceOperation(kind ResourceKind) *spec.Operation {
-	ref := c.constructSchemaRef(kind)
-	action := "replace"
-	return c.baseOperation(kind, action).
-		WithDescription(c.constructDescription(kind, action)).
-		RespondsWith(200, okResponse(ref)).
-		RespondsWith(201, createdResponse(ref)).
-		AddParam((&spec.Parameter{ParamProps: spec.ParamProps{Schema: spec.RefSchema(ref)}}).
-			Named("body").
-			WithLocation("body").
-			AsRequired())
-}
-
-// patchOperation constructs a patch operation for a CRD, CRD's scale subresource
-// or CRD's status subresource
-func (c *SwaggerConstructor) patchOperation(kind ResourceKind) *spec.Operation {
-	ref := c.constructSchemaRef(kind)
-	action := "patch"
-	return c.baseOperation(kind, action).
-		WithDescription(c.constructDescription(kind, "partially update")).
-		RespondsWith(200, okResponse(ref)).
-		AddParam((&spec.Parameter{ParamProps: spec.ParamProps{Schema: spec.RefSchema(patchSchemaRef)}}).
-			Named("body").
-			WithLocation("body").
-			AsRequired())
-}
-
-// listSchema constructs the OpenAPI schema for a list of CRD objects
-func (c *SwaggerConstructor) listSchema() *spec.Schema {
-	ref := c.constructSchemaRef(Resource)
-	s := new(spec.Schema).
-		WithDescription(fmt.Sprintf("%s is a list of %s", c.listKind, c.kind)).
-		WithRequired("items").
-		SetProperty("apiVersion", *spec.StringProperty().
-			WithDescription(swaggerTypeMetaDescriptions["apiVersion"])).
-		SetProperty("items", *spec.ArrayProperty(spec.RefSchema(ref)).
-			WithDescription(fmt.Sprintf("List of %s. More info: https://git.k8s.io/community/contributors/devel/api-conventions.md", c.plural))).
-		SetProperty("kind", *spec.StringProperty().
-			WithDescription(swaggerTypeMetaDescriptions["kind"])).
-		SetProperty("metadata", *spec.RefSchema(listMetaSchemaRef).
-			WithDescription(swaggerListDescriptions["metadata"]))
-	s.AddExtension("x-kubernetes-group-version-kind", map[string]string{
-		"group":   c.group,
-		"kind":    c.listKind,
-		"version": c.version,
-	})
-	return s
-}
-
-// operationID generates the ID for an operation
-func (c *SwaggerConstructor) operationID(kind ResourceKind, action string) string {
-	var collectionTemplate, namespacedTemplate, subresourceTemplate string
-	if action == "deletecollection" {
-		action = "delete"
-		collectionTemplate = "Collection"
-	}
-	if c.scope == apiextensions.NamespaceScoped {
-		namespacedTemplate = "Namespaced"
-	}
-	switch kind {
-	case Status:
-		subresourceTemplate = "Status"
-	case Scale:
-		subresourceTemplate = "Scale"
-	}
-	return fmt.Sprintf("%s%s%s%s%s%s%s", action, strings.Title(c.group), strings.Title(c.version), collectionTemplate, namespacedTemplate, c.kind, subresourceTemplate)
-}
-
-// constructSchemaRef generates a reference to an object schema, based on the ResourceKind
-// used by an operation
-func (c *SwaggerConstructor) constructSchemaRef(kind ResourceKind) string {
-	var ref string
-	switch kind {
-	case Scale:
-		ref = scaleSchemaRef
-	default:
-		ref = fmt.Sprintf("#/definitions/%s.%s.%s", c.group, c.version, c.kind)
-	}
-	return ref
-}
-
-// constructDescription generates a description for READ, REPLACE and PATCH operations, based on
-// the ResourceKind used by the operation
-func (c *SwaggerConstructor) constructDescription(kind ResourceKind, action string) string {
-	var descriptionTemplate string
-	switch kind {
-	case Status:
-		descriptionTemplate = "status of "
-	case Scale:
-		descriptionTemplate = "scale of "
-	}
-	return fmt.Sprintf("%s %sthe specified %s", action, descriptionTemplate, c.kind)
-}
-
-// hasPerVersionSubresources returns true if a CRD spec uses per-version subresources.
-func hasPerVersionSubresources(versions []apiextensions.CustomResourceDefinitionVersion) bool {
-	for _, v := range versions {
-		if v.Subresources != nil {
-			return true
-		}
-	}
-	return false
-}
-
-// getSubresourcesForVersion returns the subresources for given version in given CRD spec.
-func getSubresourcesForVersion(spec *apiextensions.CustomResourceDefinitionSpec, version string) (*apiextensions.CustomResourceSubresources, error) {
-	if !hasPerVersionSubresources(spec.Versions) {
-		return spec.Subresources, nil
-	}
-	if spec.Subresources != nil {
-		return nil, fmt.Errorf("malformed CustomResourceDefinitionSpec version %s: top-level and per-version subresources must be mutual exclusive", version)
-	}
-	for _, v := range spec.Versions {
-		if version == v.Name {
-			return v.Subresources, nil
-		}
-	}
-	return nil, fmt.Errorf("version %s not found in CustomResourceDefinitionSpec", version)
-}

staging/src/k8s.io/apiextensions-apiserver/pkg/openapi/conversion.go

@@ -1,45 +0,0 @@
-/*
-Copyright 2018 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 openapi
-
-import (
-	"github.com/go-openapi/spec"
-	"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
-	"k8s.io/apiextensions-apiserver/pkg/apiserver/validation"
-)
-
-// ConvertJSONSchemaPropsToOpenAPIv2Schema converts our internal OpenAPI v3 schema
-// (*apiextensions.JSONSchemaProps) to an OpenAPI v2 schema (*spec.Schema).
-// NOTE: we use versioned type (v1beta1) here so that we can properly marshal the object
-// using the JSON tags
-func ConvertJSONSchemaPropsToOpenAPIv2Schema(in *apiextensions.JSONSchemaProps) (*spec.Schema, error) {
-	if in == nil {
-		return nil, nil
-	}
-
-	out := new(spec.Schema)
-	validation.ConvertJSONSchemaPropsWithPostProcess(in, out, func(p *spec.Schema) error {
-		// Remove unsupported fields in OpenAPI v2
-		p.OneOf = nil
-		p.AnyOf = nil
-		p.Not = nil
-
-		return nil
-	})
-
-	return out, nil
-}

staging/src/k8s.io/apiextensions-apiserver/pkg/openapi/conversion_test.go

@@ -1,528 +0,0 @@
-/*
-Copyright 2018 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 openapi
-
-import (
-	"reflect"
-	"testing"
-
-	"github.com/go-openapi/spec"
-	"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
-	"k8s.io/apimachinery/pkg/util/diff"
-)
-
-func Test_ConvertJSONSchemaPropsToOpenAPIv2Schema(t *testing.T) {
-	testStr := "test"
-	testStr2 := "test2"
-	testFloat64 := float64(6.4)
-	testInt64 := int64(64)
-	testApiextensionsJSON := apiextensions.JSON(testStr)
-
-	tests := []struct {
-		name     string
-		in       *apiextensions.JSONSchemaProps
-		expected *spec.Schema
-	}{
-		{
-			name: "id",
-			in: &apiextensions.JSONSchemaProps{
-				ID: testStr,
-			},
-			expected: new(spec.Schema).
-				WithID(testStr),
-		},
-		{
-			name: "$schema",
-			in: &apiextensions.JSONSchemaProps{
-				Schema: "test",
-			},
-			expected: &spec.Schema{
-				SchemaProps: spec.SchemaProps{
-					Schema: "test",
-				},
-			},
-		},
-		{
-			name: "$ref",
-			in: &apiextensions.JSONSchemaProps{
-				Ref: &testStr,
-			},
-			expected: spec.RefSchema(testStr),
-		},
-		{
-			name: "description",
-			in: &apiextensions.JSONSchemaProps{
-				Description: testStr,
-			},
-			expected: new(spec.Schema).
-				WithDescription(testStr),
-		},
-		{
-			name: "type and format",
-			in: &apiextensions.JSONSchemaProps{
-				Type:   testStr,
-				Format: testStr2,
-			},
-			expected: new(spec.Schema).
-				Typed(testStr, testStr2),
-		},
-		{
-			name: "title",
-			in: &apiextensions.JSONSchemaProps{
-				Title: testStr,
-			},
-			expected: new(spec.Schema).
-				WithTitle(testStr),
-		},
-		{
-			name: "default",
-			in: &apiextensions.JSONSchemaProps{
-				Default: &testApiextensionsJSON,
-			},
-			expected: new(spec.Schema).
-				WithDefault(testStr),
-		},
-		{
-			name: "maximum and exclusiveMaximum",
-			in: &apiextensions.JSONSchemaProps{
-				Maximum:          &testFloat64,
-				ExclusiveMaximum: true,
-			},
-			expected: new(spec.Schema).
-				WithMaximum(testFloat64, true),
-		},
-		{
-			name: "minimum and exclusiveMinimum",
-			in: &apiextensions.JSONSchemaProps{
-				Minimum:          &testFloat64,
-				ExclusiveMinimum: true,
-			},
-			expected: new(spec.Schema).
-				WithMinimum(testFloat64, true),
-		},
-		{
-			name: "maxLength",
-			in: &apiextensions.JSONSchemaProps{
-				MaxLength: &testInt64,
-			},
-			expected: new(spec.Schema).
-				WithMaxLength(testInt64),
-		},
-		{
-			name: "minLength",
-			in: &apiextensions.JSONSchemaProps{
-				MinLength: &testInt64,
-			},
-			expected: new(spec.Schema).
-				WithMinLength(testInt64),
-		},
-		{
-			name: "pattern",
-			in: &apiextensions.JSONSchemaProps{
-				Pattern: testStr,
-			},
-			expected: new(spec.Schema).
-				WithPattern(testStr),
-		},
-		{
-			name: "maxItems",
-			in: &apiextensions.JSONSchemaProps{
-				MaxItems: &testInt64,
-			},
-			expected: new(spec.Schema).
-				WithMaxItems(testInt64),
-		},
-		{
-			name: "minItems",
-			in: &apiextensions.JSONSchemaProps{
-				MinItems: &testInt64,
-			},
-			expected: new(spec.Schema).
-				WithMinItems(testInt64),
-		},
-		{
-			name: "uniqueItems",
-			in: &apiextensions.JSONSchemaProps{
-				UniqueItems: true,
-			},
-			expected: new(spec.Schema).
-				UniqueValues(),
-		},
-		{
-			name: "multipleOf",
-			in: &apiextensions.JSONSchemaProps{
-				MultipleOf: &testFloat64,
-			},
-			expected: new(spec.Schema).
-				WithMultipleOf(testFloat64),
-		},
-		{
-			name: "enum",
-			in: &apiextensions.JSONSchemaProps{
-				Enum: []apiextensions.JSON{apiextensions.JSON(testStr), apiextensions.JSON(testStr2)},
-			},
-			expected: new(spec.Schema).
-				WithEnum(testStr, testStr2),
-		},
-		{
-			name: "maxProperties",
-			in: &apiextensions.JSONSchemaProps{
-				MaxProperties: &testInt64,
-			},
-			expected: new(spec.Schema).
-				WithMaxProperties(testInt64),
-		},
-		{
-			name: "minProperties",
-			in: &apiextensions.JSONSchemaProps{
-				MinProperties: &testInt64,
-			},
-			expected: new(spec.Schema).
-				WithMinProperties(testInt64),
-		},
-		{
-			name: "required",
-			in: &apiextensions.JSONSchemaProps{
-				Required: []string{testStr, testStr2},
-			},
-			expected: new(spec.Schema).
-				WithRequired(testStr, testStr2),
-		},
-		{
-			name: "items single props",
-			in: &apiextensions.JSONSchemaProps{
-				Items: &apiextensions.JSONSchemaPropsOrArray{
-					Schema: &apiextensions.JSONSchemaProps{
-						Type: "boolean",
-					},
-				},
-			},
-			expected: &spec.Schema{
-				SchemaProps: spec.SchemaProps{
-					Items: &spec.SchemaOrArray{
-						Schema: spec.BooleanProperty(),
-					},
-				},
-			},
-		},
-		{
-			name: "items array props",
-			in: &apiextensions.JSONSchemaProps{
-				Items: &apiextensions.JSONSchemaPropsOrArray{
-					JSONSchemas: []apiextensions.JSONSchemaProps{
-						{Type: "boolean"},
-						{Type: "string"},
-					},
-				},
-			},
-			expected: &spec.Schema{
-				SchemaProps: spec.SchemaProps{
-					Items: &spec.SchemaOrArray{
-						Schemas: []spec.Schema{
-							*spec.BooleanProperty(),
-							*spec.StringProperty(),
-						},
-					},
-				},
-			},
-		},
-		{
-			name: "allOf",
-			in: &apiextensions.JSONSchemaProps{
-				AllOf: []apiextensions.JSONSchemaProps{
-					{Type: "boolean"},
-					{Type: "string"},
-				},
-			},
-			expected: new(spec.Schema).
-				WithAllOf(*spec.BooleanProperty(), *spec.StringProperty()),
-		},
-		{
-			name: "oneOf",
-			in: &apiextensions.JSONSchemaProps{
-				OneOf: []apiextensions.JSONSchemaProps{
-					{Type: "boolean"},
-					{Type: "string"},
-				},
-			},
-			expected: new(spec.Schema),
-			// expected: &spec.Schema{
-			// 	SchemaProps: spec.SchemaProps{
-			// 		OneOf: []spec.Schema{
-			// 			*spec.BooleanProperty(),
-			// 			*spec.StringProperty(),
-			// 		},
-			// 	},
-			// },
-		},
-		{
-			name: "anyOf",
-			in: &apiextensions.JSONSchemaProps{
-				AnyOf: []apiextensions.JSONSchemaProps{
-					{Type: "boolean"},
-					{Type: "string"},
-				},
-			},
-			expected: new(spec.Schema),
-			// expected: &spec.Schema{
-			// 	SchemaProps: spec.SchemaProps{
-			// 		AnyOf: []spec.Schema{
-			// 			*spec.BooleanProperty(),
-			// 			*spec.StringProperty(),
-			// 		},
-			// 	},
-			// },
-		},
-		{
-			name: "not",
-			in: &apiextensions.JSONSchemaProps{
-				Not: &apiextensions.JSONSchemaProps{
-					Type: "boolean",
-				},
-			},
-			expected: new(spec.Schema),
-			// expected: &spec.Schema{
-			// 	SchemaProps: spec.SchemaProps{
-			// 		Not: spec.BooleanProperty(),
-			// 	},
-			// },
-		},
-		{
-			name: "nested logic",
-			in: &apiextensions.JSONSchemaProps{
-				AllOf: []apiextensions.JSONSchemaProps{
-					{
-						Not: &apiextensions.JSONSchemaProps{
-							Type: "boolean",
-						},
-					},
-					{
-						AnyOf: []apiextensions.JSONSchemaProps{
-							{Type: "boolean"},
-							{Type: "string"},
-						},
-					},
-					{
-						OneOf: []apiextensions.JSONSchemaProps{
-							{Type: "boolean"},
-							{Type: "string"},
-						},
-					},
-					{Type: "string"},
-				},
-				AnyOf: []apiextensions.JSONSchemaProps{
-					{
-						Not: &apiextensions.JSONSchemaProps{
-							Type: "boolean",
-						},
-					},
-					{
-						AnyOf: []apiextensions.JSONSchemaProps{
-							{Type: "boolean"},
-							{Type: "string"},
-						},
-					},
-					{
-						OneOf: []apiextensions.JSONSchemaProps{
-							{Type: "boolean"},
-							{Type: "string"},
-						},
-					},
-					{Type: "string"},
-				},
-				OneOf: []apiextensions.JSONSchemaProps{
-					{
-						Not: &apiextensions.JSONSchemaProps{
-							Type: "boolean",
-						},
-					},
-					{
-						AnyOf: []apiextensions.JSONSchemaProps{
-							{Type: "boolean"},
-							{Type: "string"},
-						},
-					},
-					{
-						OneOf: []apiextensions.JSONSchemaProps{
-							{Type: "boolean"},
-							{Type: "string"},
-						},
-					},
-					{Type: "string"},
-				},
-				Not: &apiextensions.JSONSchemaProps{
-					Not: &apiextensions.JSONSchemaProps{
-						Type: "boolean",
-					},
-					AnyOf: []apiextensions.JSONSchemaProps{
-						{Type: "boolean"},
-						{Type: "string"},
-					},
-					OneOf: []apiextensions.JSONSchemaProps{
-						{Type: "boolean"},
-						{Type: "string"},
-					},
-				},
-			},
-			expected: new(spec.Schema).
-				WithAllOf(spec.Schema{}, spec.Schema{}, spec.Schema{}, *spec.StringProperty()),
-		},
-		{
-			name: "properties",
-			in: &apiextensions.JSONSchemaProps{
-				Properties: map[string]apiextensions.JSONSchemaProps{
-					testStr: {Type: "boolean"},
-				},
-			},
-			expected: new(spec.Schema).
-				SetProperty(testStr, *spec.BooleanProperty()),
-		},
-		{
-			name: "additionalProperties",
-			in: &apiextensions.JSONSchemaProps{
-				AdditionalProperties: &apiextensions.JSONSchemaPropsOrBool{
-					Allows: true,
-					Schema: &apiextensions.JSONSchemaProps{Type: "boolean"},
-				},
-			},
-			expected: &spec.Schema{
-				SchemaProps: spec.SchemaProps{
-					AdditionalProperties: &spec.SchemaOrBool{
-						Allows: true,
-						Schema: spec.BooleanProperty(),
-					},
-				},
-			},
-		},
-		{
-			name: "patternProperties",
-			in: &apiextensions.JSONSchemaProps{
-				PatternProperties: map[string]apiextensions.JSONSchemaProps{
-					testStr: {Type: "boolean"},
-				},
-			},
-			expected: &spec.Schema{
-				SchemaProps: spec.SchemaProps{
-					PatternProperties: map[string]spec.Schema{
-						testStr: *spec.BooleanProperty(),
-					},
-				},
-			},
-		},
-		{
-			name: "dependencies schema",
-			in: &apiextensions.JSONSchemaProps{
-				Dependencies: apiextensions.JSONSchemaDependencies{
-					testStr: apiextensions.JSONSchemaPropsOrStringArray{
-						Schema: &apiextensions.JSONSchemaProps{Type: "boolean"},
-					},
-				},
-			},
-			expected: &spec.Schema{
-				SchemaProps: spec.SchemaProps{
-					Dependencies: spec.Dependencies{
-						testStr: spec.SchemaOrStringArray{
-							Schema: spec.BooleanProperty(),
-						},
-					},
-				},
-			},
-		},
-		{
-			name: "dependencies string array",
-			in: &apiextensions.JSONSchemaProps{
-				Dependencies: apiextensions.JSONSchemaDependencies{
-					testStr: apiextensions.JSONSchemaPropsOrStringArray{
-						Property: []string{testStr2},
-					},
-				},
-			},
-			expected: &spec.Schema{
-				SchemaProps: spec.SchemaProps{
-					Dependencies: spec.Dependencies{
-						testStr: spec.SchemaOrStringArray{
-							Property: []string{testStr2},
-						},
-					},
-				},
-			},
-		},
-		{
-			name: "additionalItems",
-			in: &apiextensions.JSONSchemaProps{
-				AdditionalItems: &apiextensions.JSONSchemaPropsOrBool{
-					Allows: true,
-					Schema: &apiextensions.JSONSchemaProps{Type: "boolean"},
-				},
-			},
-			expected: &spec.Schema{
-				SchemaProps: spec.SchemaProps{
-					AdditionalItems: &spec.SchemaOrBool{
-						Allows: true,
-						Schema: spec.BooleanProperty(),
-					},
-				},
-			},
-		},
-		{
-			name: "definitions",
-			in: &apiextensions.JSONSchemaProps{
-				Definitions: apiextensions.JSONSchemaDefinitions{
-					testStr: apiextensions.JSONSchemaProps{Type: "boolean"},
-				},
-			},
-			expected: &spec.Schema{
-				SchemaProps: spec.SchemaProps{
-					Definitions: spec.Definitions{
-						testStr: *spec.BooleanProperty(),
-					},
-				},
-			},
-		},
-		{
-			name: "externalDocs",
-			in: &apiextensions.JSONSchemaProps{
-				ExternalDocs: &apiextensions.ExternalDocumentation{
-					Description: testStr,
-					URL:         testStr2,
-				},
-			},
-			expected: new(spec.Schema).
-				WithExternalDocs(testStr, testStr2),
-		},
-		{
-			name: "example",
-			in: &apiextensions.JSONSchemaProps{
-				Example: &testApiextensionsJSON,
-			},
-			expected: new(spec.Schema).
-				WithExample(testStr),
-		},
-	}
-
-	for _, test := range tests {
-		t.Run(test.name, func(t *testing.T) {
-			out, err := ConvertJSONSchemaPropsToOpenAPIv2Schema(test.in)
-			if err != nil {
-				t.Fatalf("unexpected error in converting openapi schema: %v", err)
-			}
-			if !reflect.DeepEqual(*out, *test.expected) {
-				t.Errorf("unexpected result:\n  want=%v\n   got=%v\n\n%s", *test.expected, *out, diff.ObjectDiff(*test.expected, *out))
-			}
-		})
-	}
-}

staging/src/k8s.io/apiextensions-apiserver/pkg/openapi/swagger_util.go

@@ -1,227 +0,0 @@
-/*
-Copyright 2018 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 openapi
-
-import (
-	"crypto/sha512"
-	"encoding/json"
-	"fmt"
-
-	"github.com/go-openapi/spec"
-	autoscalingv1 "k8s.io/api/autoscaling/v1"
-	"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-)
-
-const (
-	deleteOptionsSchemaRef = "#/definitions/io.k8s.apimachinery.pkg.apis.meta.v1.DeleteOptions"
-	objectMetaSchemaRef    = "#/definitions/io.k8s.apimachinery.pkg.apis.meta.v1.ObjectMeta"
-	scaleSpecSchemaRef     = "#/definitions/io.k8s.api.autoscaling.v1.ScaleSpec"
-	scaleStatusSchemaRef   = "#/definitions/io.k8s.api.autoscaling.v1.ScaleStatus"
-)
-
-var swaggerTypeMetaDescriptions = metav1.TypeMeta{}.SwaggerDoc()
-var swaggerDeleteOptionsDescriptions = metav1.DeleteOptions{}.SwaggerDoc()
-var swaggerListDescriptions = metav1.List{}.SwaggerDoc()
-var swaggerListOptionsDescriptions = metav1.ListOptions{}.SwaggerDoc()
-var swaggerScaleDescriptions = autoscalingv1.Scale{}.SwaggerDoc()
-var swaggerScaleSpecDescriptions = autoscalingv1.ScaleSpec{}.SwaggerDoc()
-var swaggerScaleStatusDescriptions = autoscalingv1.ScaleStatus{}.SwaggerDoc()
-
-// calcSwaggerEtag calculates an etag of the OpenAPI swagger (spec)
-func calcSwaggerEtag(openAPISpec *spec.Swagger) (string, error) {
-	specBytes, err := json.MarshalIndent(openAPISpec, " ", " ")
-	if err != nil {
-		return "", err
-	}
-	return fmt.Sprintf("\"%X\"", sha512.Sum512(specBytes)), nil
-}
-
-// pathParameters constructs the Parameter used by all paths in the CRD swagger (spec)
-func pathParameters() []spec.Parameter {
-	return []spec.Parameter{
-		*spec.QueryParam("pretty").
-			Typed("string", "").
-			UniqueValues().
-			WithDescription("If 'true', then the output is pretty printed."),
-	}
-}
-
-// addDeleteOperationParameters add the body&query parameters used by a delete operation
-func addDeleteOperationParameters(op *spec.Operation) *spec.Operation {
-	return op.
-		AddParam((&spec.Parameter{ParamProps: spec.ParamProps{Schema: spec.RefSchema(deleteOptionsSchemaRef)}}).
-			Named("body").
-			WithLocation("body").
-			AsRequired()).
-		AddParam(spec.QueryParam("dryRun").
-			Typed("string", "").
-			UniqueValues().
-			WithDescription(swaggerDeleteOptionsDescriptions["dryRun"])).
-		AddParam(spec.QueryParam("gracePeriodSeconds").
-			Typed("integer", "").
-			UniqueValues().
-			WithDescription(swaggerDeleteOptionsDescriptions["gracePeriodSeconds"])).
-		AddParam(spec.QueryParam("orphanDependents").
-			Typed("boolean", "").
-			UniqueValues().
-			WithDescription(swaggerDeleteOptionsDescriptions["orphanDependents"])).
-		AddParam(spec.QueryParam("propagationPolicy").
-			Typed("string", "").
-			UniqueValues().
-			WithDescription(swaggerDeleteOptionsDescriptions["propagationPolicy"]))
-}
-
-// addCollectionOperationParameters adds the query parameters used by list and deletecollection
-// operations
-func addCollectionOperationParameters(op *spec.Operation) *spec.Operation {
-	return op.
-		AddParam(spec.QueryParam("continue").
-			Typed("string", "").
-			UniqueValues().
-			WithDescription(swaggerListOptionsDescriptions["continue"])).
-		AddParam(spec.QueryParam("fieldSelector").
-			Typed("string", "").
-			UniqueValues().
-			WithDescription(swaggerListOptionsDescriptions["fieldSelector"])).
-		AddParam(spec.QueryParam("includeUninitialized").
-			Typed("boolean", "").
-			UniqueValues().
-			WithDescription(swaggerListOptionsDescriptions["includeUninitialized"])).
-		AddParam(spec.QueryParam("labelSelector").
-			Typed("string", "").
-			UniqueValues().
-			WithDescription(swaggerListOptionsDescriptions["labelSelector"])).
-		AddParam(spec.QueryParam("limit").
-			Typed("integer", "").
-			UniqueValues().
-			WithDescription(swaggerListOptionsDescriptions["limit"])).
-		AddParam(spec.QueryParam("resourceVersion").
-			Typed("string", "").
-			UniqueValues().
-			WithDescription(swaggerListOptionsDescriptions["resourceVersion"])).
-		AddParam(spec.QueryParam("timeoutSeconds").
-			Typed("integer", "").
-			UniqueValues().
-			WithDescription(swaggerListOptionsDescriptions["timeoutSeconds"])).
-		AddParam(spec.QueryParam("watch").
-			Typed("boolean", "").
-			UniqueValues().
-			WithDescription(swaggerListOptionsDescriptions["watch"]))
-}
-
-// okResponse constructs a 200 OK response with the input object schema reference
-func okResponse(ref string) *spec.Response {
-	return spec.NewResponse().
-		WithDescription("OK").
-		WithSchema(spec.RefSchema(ref))
-}
-
-// createdResponse constructs a 201 Created response with the input object schema reference
-func createdResponse(ref string) *spec.Response {
-	return spec.NewResponse().
-		WithDescription("Created").
-		WithSchema(spec.RefSchema(ref))
-}
-
-// acceptedResponse constructs a 202 Accepted response with the input object schema reference
-func acceptedResponse(ref string) *spec.Response {
-	return spec.NewResponse().
-		WithDescription("Accepted").
-		WithSchema(spec.RefSchema(ref))
-}
-
-// unauthorizedResponse constructs a 401 Unauthorized response
-func unauthorizedResponse() *spec.Response {
-	return spec.NewResponse().
-		WithDescription("Unauthorized")
-}
-
-// scaleSchema constructs the OpenAPI schema for io.k8s.api.autoscaling.v1.Scale objects
-// TODO(roycaihw): this is a hack to let apiExtension apiserver and generic kube-apiserver
-// to have the same io.k8s.api.autoscaling.v1.Scale definition, so that aggregator server won't
-// detect name conflict and create a duplicate io.k8s.api.autoscaling.v1.Scale_V2 schema
-// when aggregating the openapi spec. It would be better if apiExtension apiserver serves
-// identical definition through the same code path (using routes) as generic kube-apiserver.
-func scaleSchema() *spec.Schema {
-	s := new(spec.Schema).
-		WithDescription(swaggerScaleDescriptions[""]).
-		SetProperty("apiVersion", *spec.StringProperty().
-			WithDescription(swaggerTypeMetaDescriptions["apiVersion"])).
-		SetProperty("kind", *spec.StringProperty().
-			WithDescription(swaggerTypeMetaDescriptions["kind"])).
-		SetProperty("metadata", *spec.RefSchema(objectMetaSchemaRef).
-			WithDescription(swaggerScaleDescriptions["metadata"])).
-		SetProperty("spec", *spec.RefSchema(scaleSpecSchemaRef).
-			WithDescription(swaggerScaleDescriptions["spec"])).
-		SetProperty("status", *spec.RefSchema(scaleStatusSchemaRef).
-			WithDescription(swaggerScaleDescriptions["status"]))
-
-	s.AddExtension("x-kubernetes-group-version-kind", []map[string]string{
-		{
-			"group":   "autoscaling",
-			"kind":    "Scale",
-			"version": "v1",
-		},
-	})
-	return s
-}
-
-// scaleSchema constructs the OpenAPI schema for io.k8s.api.autoscaling.v1.ScaleSpec objects
-func scaleSpecSchema() *spec.Schema {
-	return new(spec.Schema).
-		WithDescription(swaggerScaleSpecDescriptions[""]).
-		SetProperty("replicas", *spec.Int32Property().
-			WithDescription(swaggerScaleSpecDescriptions["replicas"]))
-}
-
-// scaleSchema constructs the OpenAPI schema for io.k8s.api.autoscaling.v1.ScaleStatus objects
-func scaleStatusSchema() *spec.Schema {
-	return new(spec.Schema).
-		WithDescription(swaggerScaleStatusDescriptions[""]).
-		WithRequired("replicas").
-		SetProperty("replicas", *spec.Int32Property().
-			WithDescription(swaggerScaleStatusDescriptions["replicas"])).
-		SetProperty("selector", *spec.StringProperty().
-			WithDescription(swaggerScaleStatusDescriptions["selector"]))
-}
-
-// CustomResourceDefinitionOpenAPISpec constructs the OpenAPI spec (swagger) and calculates
-// etag for a given CustomResourceDefinitionSpec.
-// NOTE: in apiserver we general operates on internal types. We are using versioned (v1beta1)
-// validation schema here because we need the json tags to properly marshal the object to
-// JSON.
-func CustomResourceDefinitionOpenAPISpec(crdSpec *apiextensions.CustomResourceDefinitionSpec, version string, validationSchema *apiextensions.CustomResourceValidation) (*spec.Swagger, string, error) {
-	schema := &spec.Schema{}
-	if validationSchema != nil && validationSchema.OpenAPIV3Schema != nil {
-		var err error
-		schema, err = ConvertJSONSchemaPropsToOpenAPIv2Schema(validationSchema.OpenAPIV3Schema)
-		if err != nil {
-			return nil, "", err
-		}
-	}
-	crdSwaggerConstructor, err := NewSwaggerConstructor(schema, crdSpec, version)
-	if err != nil {
-		return nil, "", err
-	}
-	crdOpenAPISpec := crdSwaggerConstructor.ConstructCRDOpenAPISpec()
-	etag, err := calcSwaggerEtag(crdOpenAPISpec)
-	if err != nil {
-		return nil, "", err
-	}
-	return crdOpenAPISpec, etag, nil
-}

staging/src/k8s.io/apiserver/pkg/server/BUILD

@@ -116,7 +116,6 @@ go_library(
         "//vendor/k8s.io/klog:go_default_library",
         "//vendor/k8s.io/kube-openapi/pkg/builder:go_default_library",
         "//vendor/k8s.io/kube-openapi/pkg/common:go_default_library",
-        "//vendor/k8s.io/kube-openapi/pkg/handler:go_default_library",
         "//vendor/k8s.io/kube-openapi/pkg/util:go_default_library",
         "//vendor/k8s.io/kube-openapi/pkg/util/proto:go_default_library",
     ],

staging/src/k8s.io/apiserver/pkg/server/genericapiserver.go

@@ -25,8 +25,7 @@ import (
 	"time"
 
 	systemd "github.com/coreos/go-systemd/daemon"
-	swagger "github.com/emicklei/go-restful-swagger12"
-	"github.com/go-openapi/spec"
+	"github.com/emicklei/go-restful-swagger12"
 	"k8s.io/klog"
 
 	"k8s.io/apimachinery/pkg/api/meta"
@@ -48,7 +47,6 @@ import (
 	restclient "k8s.io/client-go/rest"
 	openapibuilder "k8s.io/kube-openapi/pkg/builder"
 	openapicommon "k8s.io/kube-openapi/pkg/common"
-	"k8s.io/kube-openapi/pkg/handler"
 	openapiutil "k8s.io/kube-openapi/pkg/util"
 	openapiproto "k8s.io/kube-openapi/pkg/util/proto"
 )
@@ -126,11 +124,6 @@ type GenericAPIServer struct {
 	swaggerConfig *swagger.Config
 	openAPIConfig *openapicommon.Config
 
-	// Expose the registered OpenAPI Services and built static OpenAPI spec if openAPIConfig is non-nil
-	OpenAPIService          *handler.OpenAPIService // for endpoint /swagger.json
-	OpenAPIVersionedService *handler.OpenAPIService // for endpoint /openapi/v2
-	StaticOpenAPISpec       *spec.Swagger
-
 	// PostStartHooks are each called after the server has started listening, in a separate go func for each
 	// with no guarantee of ordering between them.  The map key is a name used for error reporting.
 	// It may kill the process with a panic if it wishes to by returning an error.
@@ -247,7 +240,7 @@ func (s *GenericAPIServer) PrepareRun() preparedGenericAPIServer {
 		routes.Swagger{Config: s.swaggerConfig}.Install(s.Handler.GoRestfulContainer)
 	}
 	if s.openAPIConfig != nil {
-		s.OpenAPIService, s.OpenAPIVersionedService, s.StaticOpenAPISpec = routes.OpenAPI{
+		routes.OpenAPI{
 			Config: s.openAPIConfig,
 		}.Install(s.Handler.GoRestfulContainer, s.Handler.NonGoRestfulMux)
 	}

staging/src/k8s.io/apiserver/pkg/server/routes/BUILD

@@ -32,10 +32,8 @@ go_library(
         "//vendor/github.com/elazarl/go-bindata-assetfs:go_default_library",
         "//vendor/github.com/emicklei/go-restful:go_default_library",
         "//vendor/github.com/emicklei/go-restful-swagger12:go_default_library",
-        "//vendor/github.com/go-openapi/spec:go_default_library",
         "//vendor/github.com/prometheus/client_golang/prometheus:go_default_library",
         "//vendor/k8s.io/klog:go_default_library",
-        "//vendor/k8s.io/kube-openapi/pkg/builder:go_default_library",
         "//vendor/k8s.io/kube-openapi/pkg/common:go_default_library",
         "//vendor/k8s.io/kube-openapi/pkg/handler:go_default_library",
     ],

staging/src/k8s.io/apiserver/pkg/server/routes/openapi.go

@@ -18,11 +18,9 @@ package routes
 
 import (
 	restful "github.com/emicklei/go-restful"
-	"github.com/go-openapi/spec"
 	"k8s.io/klog"
 
 	"k8s.io/apiserver/pkg/server/mux"
-	"k8s.io/kube-openapi/pkg/builder"
 	"k8s.io/kube-openapi/pkg/common"
 	"k8s.io/kube-openapi/pkg/handler"
 )
@@ -32,27 +30,17 @@ type OpenAPI struct {
 	Config *common.Config
 }
 
-// Install adds the SwaggerUI webservice to the given mux. This function returns
-// the built static OpenAPI spec and the registered OpenAPI services to allow
-// further OpenAPI spec aggregation.
-func (oa OpenAPI) Install(c *restful.Container, mux *mux.PathRecorderMux) (openAPIService, openAPIVersionedService *handler.OpenAPIService, spec *spec.Swagger) {
-	var err error
-	// Record the static OpenAPI spec to allow further OpenAPI spec aggregation
-	// with this static spec on the registered OpenAPI services
-	spec, err = builder.BuildOpenAPISpec(c.RegisteredWebServices(), oa.Config)
-	if err != nil {
-		klog.Fatalf("Failed to build open api spec for root: %v", err)
-	}
+// Install adds the SwaggerUI webservice to the given mux.
+func (oa OpenAPI) Install(c *restful.Container, mux *mux.PathRecorderMux) {
 	// NOTE: [DEPRECATION] We will announce deprecation for format-separated endpoints for OpenAPI spec,
 	// and switch to a single /openapi/v2 endpoint in Kubernetes 1.10. The design doc and deprecation process
 	// are tracked at: https://docs.google.com/document/d/19lEqE9lc4yHJ3WJAJxS_G7TcORIJXGHyq3wpwcH28nU.
-	openAPIService, err = handler.RegisterOpenAPIService(spec, "/swagger.json", mux)
+	_, err := handler.BuildAndRegisterOpenAPIService("/swagger.json", c.RegisteredWebServices(), oa.Config, mux)
 	if err != nil {
 		klog.Fatalf("Failed to register open api spec for root: %v", err)
 	}
-	openAPIVersionedService, err = handler.RegisterOpenAPIVersionedService(spec, "/openapi/v2", mux)
+	_, err = handler.BuildAndRegisterOpenAPIVersionedService("/openapi/v2", c.RegisteredWebServices(), oa.Config, mux)
 	if err != nil {
 		klog.Fatalf("Failed to register versioned open api spec for root: %v", err)
 	}
-	return openAPIService, openAPIVersionedService, spec
 }

staging/src/k8s.io/kube-aggregator/pkg/controllers/openapi/aggregator.go

@@ -53,19 +53,12 @@ type specAggregator struct {
 	// provided for dynamic OpenAPI spec
 	openAPIService          *handler.OpenAPIService
 	openAPIVersionedService *handler.OpenAPIService
-
-	// initialized is set to be true at the end of startup. All local specs
-	// must be registered before initialized is set, we panic otherwise.
-	initialized bool
 }
 
 var _ AggregationManager = &specAggregator{}
 
 // This function is not thread safe as it only being called on startup.
 func (s *specAggregator) addLocalSpec(spec *spec.Swagger, localHandler http.Handler, name, etag string) {
-	if s.initialized {
-		panic("Local spec must not be added after startup")
-	}
 	localAPIService := apiregistration.APIService{}
 	localAPIService.Name = name
 	s.openAPISpecs[name] = &openAPISpecInfo{
@@ -76,17 +69,6 @@ func (s *specAggregator) addLocalSpec(spec *spec.Swagger, localHandler http.Hand
 	}
 }
 
-// GetAPIServicesName returns the names of APIServices recorded in specAggregator.openAPISpecs.
-// We use this function to pass the names of local APIServices to the controller in this package,
-// so that the controller can periodically sync the OpenAPI spec from delegation API servers.
-func (s *specAggregator) GetAPIServiceNames() []string {
-	names := make([]string, len(s.openAPISpecs))
-	for key := range s.openAPISpecs {
-		names = append(names, key)
-	}
-	return names
-}
-
 // BuildAndRegisterAggregator registered OpenAPI aggregator handler. This function is not thread safe as it only being called on startup.
 func BuildAndRegisterAggregator(downloader *Downloader, delegationTarget server.DelegationTarget, webServices []*restful.WebService,
 	config *common.Config, pathHandler common.PathHandler) (AggregationManager, error) {
@@ -142,9 +124,6 @@ func BuildAndRegisterAggregator(downloader *Downloader, delegationTarget server.
 		return nil, err
 	}
 
-	// We set initialized to be true to forbid any future local spec addition
-	s.initialized = true
-
 	return s, nil
 }
 

staging/src/k8s.io/kube-aggregator/pkg/controllers/openapi/controller.go

@@ -49,9 +49,6 @@ type AggregationManager interface {
 	UpdateAPIServiceSpec(apiServiceName string, spec *spec.Swagger, etag string) error
 	RemoveAPIServiceSpec(apiServiceName string) error
 	GetAPIServiceInfo(apiServiceName string) (handler http.Handler, etag string, exists bool)
-
-	// GetAPIServicesName returns the names of APIServices recorded in AggregationManager.
-	GetAPIServiceNames() []string
 }
 
 // AggregationController periodically check for changes in OpenAPI specs of APIServices and update/remove
@@ -75,18 +72,6 @@ func NewAggregationController(downloader *Downloader, openAPIAggregationManager
 	}
 
 	c.syncHandler = c.sync
-	// During initialization, openAPIAggregationManager only has record of local APIServices. There must be
-	// no aggregated APIService recorded, because aggregated APIServices only get added to openAPIAggregationManager
-	// by calling AggregationController.AddAPIService or AggregationController.UpdateAPIService after the
-	// controller is initialized.
-	// Here we add delegation target API services to queue, to periodically sync dynamic OpenAPI spec from
-	// delegation target.
-	// NOTE: openAPIAggregationManager.GetAPIServiceNames() will also return the APIService of non-name spec
-	// for aggregator, which has no http.Handler. The first time sync (when popping off from queue) for
-	// this APIService will be a no-op, and the controller will drop the APIService from queue.
-	for _, name := range openAPIAggregationManager.GetAPIServiceNames() {
-		c.queue.AddAfter(name, time.Second)
-	}
 
 	return c
 }

test/e2e/apimachinery/custom_resource_definition.go

@@ -17,22 +17,16 @@ limitations under the License.
 package apimachinery
 
 import (
-	"fmt"
-	"strings"
-	"time"
-
 	"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
 	"k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
 	"k8s.io/apiextensions-apiserver/test/integration/fixtures"
 	utilversion "k8s.io/apimachinery/pkg/util/version"
-	"k8s.io/apimachinery/pkg/util/wait"
 	"k8s.io/kubernetes/test/e2e/framework"
 
 	. "github.com/onsi/ginkgo"
 )
 
 var crdVersion = utilversion.MustParseSemantic("v1.7.0")
-var crdOpenAPIVersion = utilversion.MustParseSemantic("v1.13.0")
 
 var _ = SIGDescribe("CustomResourceDefinition resources", func() {
 
@@ -73,58 +67,5 @@ var _ = SIGDescribe("CustomResourceDefinition resources", func() {
 				}
 			}()
 		})
-
-		It("has OpenAPI spec served with CRD Validation chema", func() {
-			framework.SkipUnlessServerVersionGTE(crdOpenAPIVersion, f.ClientSet.Discovery())
-
-			config, err := framework.LoadConfig()
-			if err != nil {
-				framework.Failf("failed to load config: %v", err)
-			}
-
-			apiExtensionClient, err := clientset.NewForConfig(config)
-			if err != nil {
-				framework.Failf("failed to initialize apiExtensionClient: %v", err)
-			}
-
-			randomDefinition := fixtures.NewRandomNameCustomResourceDefinition(v1beta1.ClusterScoped)
-
-			//create CRD and waits for the resource to be recognized and available.
-			randomDefinition, err = fixtures.CreateNewCustomResourceDefinition(randomDefinition, apiExtensionClient, f.DynamicClient)
-			if err != nil {
-				framework.Failf("failed to create CustomResourceDefinition: %v", err)
-			}
-
-			// TODO(roycaihw): think about tweaking feature gates in e2e test (is it possible/easy
-			// to do so?) and have CRD use top-level/per-version schema
-			// Also need to test NamespaceScoped CRDs
-
-			// We use a wait.Poll block here because the kube-aggregator openapi
-			// controller takes time to rotate the queue and resync apiextensions-apiserver's spec
-			if err := wait.Poll(5*time.Second, 120*time.Second, func() (bool, error) {
-				data, err := f.ClientSet.CoreV1().RESTClient().Get().
-					AbsPath("/swagger.json").
-					DoRaw()
-
-				if err != nil {
-					return false, err
-				}
-				// TODO(roycaihw): verify more Paths and List Definitions, also for multiple versions
-				baseDefinition := fmt.Sprintf("%s.%s.%s", randomDefinition.Spec.Group, randomDefinition.Spec.Version, randomDefinition.Spec.Names.Kind)
-				basePath := fmt.Sprintf("/apis/%s/%s/%s", randomDefinition.Spec.Group, randomDefinition.Spec.Version, randomDefinition.Spec.Names.Plural)
-				return strings.Contains(string(data), basePath) &&
-					strings.Contains(string(data), baseDefinition), nil
-			}); err != nil {
-				framework.Failf("failed to wait for apiserver to serve openapi spec for registered CRD: %v", err)
-			}
-
-			defer func() {
-				err = fixtures.DeleteCustomResourceDefinition(randomDefinition, apiExtensionClient)
-				if err != nil {
-					framework.Failf("failed to delete CustomResourceDefinition: %v", err)
-				}
-			}()
-		})
-
 	})
 })

test/integration/master/BUILD

@@ -66,7 +66,6 @@ go_test(
         "//test/integration/framework:go_default_library",
         "//test/utils:go_default_library",
         "//vendor/github.com/evanphx/json-patch:go_default_library",
-        "//vendor/github.com/go-openapi/spec:go_default_library",
         "//vendor/sigs.k8s.io/yaml:go_default_library",
     ] + select({
         "@io_bazel_rules_go//go/platform:android": [

test/integration/master/crd_test.go

@@ -18,12 +18,9 @@ package master
 
 import (
 	"encoding/json"
-	"fmt"
 	"testing"
 	"time"
 
-	"github.com/go-openapi/spec"
-
 	admissionregistrationv1alpha1 "k8s.io/api/admissionregistration/v1alpha1"
 	networkingv1 "k8s.io/api/networking/v1"
 	apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
@@ -275,91 +272,6 @@ func TestCRD(t *testing.T) {
 	}
 }
 
-func TestCRDOpenAPI(t *testing.T) {
-	defer utilfeaturetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.Initializers, true)()
-	result := kubeapiservertesting.StartTestServerOrDie(t, nil, nil, framework.SharedEtcd())
-	defer result.TearDownFn()
-	kubeclient, err := kubernetes.NewForConfig(result.ClientConfig)
-	if err != nil {
-		t.Fatalf("Unexpected error: %v", err)
-	}
-	apiextensionsclient, err := apiextensionsclientset.NewForConfig(result.ClientConfig)
-	if err != nil {
-		t.Fatalf("Unexpected error: %v", err)
-	}
-	t.Logf("Trying to create a custom resource without conflict")
-	crd := &apiextensionsv1beta1.CustomResourceDefinition{
-		ObjectMeta: metav1.ObjectMeta{
-			Name: "foos.cr.bar.com",
-		},
-		Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
-			Group:   "cr.bar.com",
-			Version: "v1",
-			Scope:   apiextensionsv1beta1.NamespaceScoped,
-			Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
-				Plural: "foos",
-				Kind:   "Foo",
-			},
-			Validation: &apiextensionsv1beta1.CustomResourceValidation{
-				OpenAPIV3Schema: &apiextensionsv1beta1.JSONSchemaProps{
-					Properties: map[string]apiextensionsv1beta1.JSONSchemaProps{
-						"foo": {Type: "string"},
-					},
-				},
-			},
-		},
-	}
-	etcd.CreateTestCRDs(t, apiextensionsclient, false, crd)
-	waitForSpec := func(expectedType string) {
-		t.Logf(`Waiting for {properties: {"foo": {"type":"%s"}}} to show up in schema`, expectedType)
-		lastMsg := ""
-		if err := wait.PollImmediate(500*time.Millisecond, 120*time.Second, func() (bool, error) {
-			lastMsg = ""
-			bs, err := kubeclient.RESTClient().Get().AbsPath("openapi", "v2").DoRaw()
-			if err != nil {
-				return false, err
-			}
-			spec := spec.Swagger{}
-			if err := json.Unmarshal(bs, &spec); err != nil {
-				return false, err
-			}
-			if spec.SwaggerProps.Paths == nil {
-				lastMsg = "spec.SwaggerProps.Paths is nil"
-				return false, nil
-			}
-			d, ok := spec.SwaggerProps.Definitions["cr.bar.com.v1.Foo"]
-			if !ok {
-				lastMsg = `spec.SwaggerProps.Definitions["cr.bar.com.v1.Foo"] not found`
-				return false, nil
-			}
-			p, ok := d.Properties["foo"]
-			if !ok {
-				lastMsg = `spec.SwaggerProps.Definitions["cr.bar.com.v1.Foo"].Properties["foo"] not found`
-				return false, nil
-			}
-			if !p.Type.Contains(expectedType) {
-				lastMsg = fmt.Sprintf(`spec.SwaggerProps.Definitions["cr.bar.com.v1.Foo"].Properties["foo"].Type should be %q, but got: %q`, expectedType, p.Type)
-				return false, nil
-			}
-			return true, nil
-		}); err != nil {
-			t.Fatalf("Failed to see %s OpenAPI spec in discovery: %v, last message: %s", crd.Name, err, lastMsg)
-		}
-	}
-	waitForSpec("string")
-	crd, err = apiextensionsclient.ApiextensionsV1beta1().CustomResourceDefinitions().Get(crd.Name, metav1.GetOptions{})
-	if err != nil {
-		t.Fatal(err)
-	}
-	prop := crd.Spec.Validation.OpenAPIV3Schema.Properties["foo"]
-	prop.Type = "boolean"
-	crd.Spec.Validation.OpenAPIV3Schema.Properties["foo"] = prop
-	if _, err = apiextensionsclient.ApiextensionsV1beta1().CustomResourceDefinitions().Update(crd); err != nil {
-		t.Fatal(err)
-	}
-	waitForSpec("boolean")
-}
-
 type Foo struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`