vendor files

vendor/k8s.io/kube-openapi/pkg/util/proto/doc.go

@@ -0,0 +1,19 @@
+/*
+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 proto is a collection of libraries for parsing and indexing the type definitions.
+// The openapi spec contains the object model definitions and extensions metadata.
+package proto

vendor/k8s.io/kube-openapi/pkg/util/proto/document.go

@@ -0,0 +1,285 @@
+/*
+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 proto
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+
+	openapi_v2 "github.com/googleapis/gnostic/OpenAPIv2"
+	yaml "gopkg.in/yaml.v2"
+)
+
+func newSchemaError(path *Path, format string, a ...interface{}) error {
+	err := fmt.Sprintf(format, a...)
+	if path.Len() == 0 {
+		return fmt.Errorf("SchemaError: %v", err)
+	}
+	return fmt.Errorf("SchemaError(%v): %v", path, err)
+}
+
+// VendorExtensionToMap converts openapi VendorExtension to a map.
+func VendorExtensionToMap(e []*openapi_v2.NamedAny) map[string]interface{} {
+	values := map[string]interface{}{}
+
+	for _, na := range e {
+		if na.GetName() == "" || na.GetValue() == nil {
+			continue
+		}
+		if na.GetValue().GetYaml() == "" {
+			continue
+		}
+		var value interface{}
+		err := yaml.Unmarshal([]byte(na.GetValue().GetYaml()), &value)
+		if err != nil {
+			continue
+		}
+
+		values[na.GetName()] = value
+	}
+
+	return values
+}
+
+// Definitions is an implementation of `Models`. It looks for
+// models in an openapi Schema.
+type Definitions struct {
+	models map[string]Schema
+}
+
+var _ Models = &Definitions{}
+
+// NewOpenAPIData creates a new `Models` out of the openapi document.
+func NewOpenAPIData(doc *openapi_v2.Document) (Models, error) {
+	definitions := Definitions{
+		models: map[string]Schema{},
+	}
+
+	// Save the list of all models first. This will allow us to
+	// validate that we don't have any dangling reference.
+	for _, namedSchema := range doc.GetDefinitions().GetAdditionalProperties() {
+		definitions.models[namedSchema.GetName()] = nil
+	}
+
+	// Now, parse each model. We can validate that references exists.
+	for _, namedSchema := range doc.GetDefinitions().GetAdditionalProperties() {
+		path := NewPath(namedSchema.GetName())
+		schema, err := definitions.ParseSchema(namedSchema.GetValue(), &path)
+		if err != nil {
+			return nil, err
+		}
+		definitions.models[namedSchema.GetName()] = schema
+	}
+
+	return &definitions, nil
+}
+
+// We believe the schema is a reference, verify that and returns a new
+// Schema
+func (d *Definitions) parseReference(s *openapi_v2.Schema, path *Path) (Schema, error) {
+	if len(s.GetProperties().GetAdditionalProperties()) > 0 {
+		return nil, newSchemaError(path, "unallowed embedded type definition")
+	}
+	if len(s.GetType().GetValue()) > 0 {
+		return nil, newSchemaError(path, "definition reference can't have a type")
+	}
+
+	if !strings.HasPrefix(s.GetXRef(), "#/definitions/") {
+		return nil, newSchemaError(path, "unallowed reference to non-definition %q", s.GetXRef())
+	}
+	reference := strings.TrimPrefix(s.GetXRef(), "#/definitions/")
+	if _, ok := d.models[reference]; !ok {
+		return nil, newSchemaError(path, "unknown model in reference: %q", reference)
+	}
+	return &Ref{
+		BaseSchema:  d.parseBaseSchema(s, path),
+		reference:   reference,
+		definitions: d,
+	}, nil
+}
+
+func (d *Definitions) parseBaseSchema(s *openapi_v2.Schema, path *Path) BaseSchema {
+	return BaseSchema{
+		Description: s.GetDescription(),
+		Extensions:  VendorExtensionToMap(s.GetVendorExtension()),
+		Path:        *path,
+	}
+}
+
+// We believe the schema is a map, verify and return a new schema
+func (d *Definitions) parseMap(s *openapi_v2.Schema, path *Path) (Schema, error) {
+	if len(s.GetType().GetValue()) != 0 && s.GetType().GetValue()[0] != object {
+		return nil, newSchemaError(path, "invalid object type")
+	}
+	if s.GetAdditionalProperties().GetSchema() == nil {
+		return nil, newSchemaError(path, "invalid object doesn't have additional properties")
+	}
+	sub, err := d.ParseSchema(s.GetAdditionalProperties().GetSchema(), path)
+	if err != nil {
+		return nil, err
+	}
+	return &Map{
+		BaseSchema: d.parseBaseSchema(s, path),
+		SubType:    sub,
+	}, nil
+}
+
+func (d *Definitions) parsePrimitive(s *openapi_v2.Schema, path *Path) (Schema, error) {
+	var t string
+	if len(s.GetType().GetValue()) > 1 {
+		return nil, newSchemaError(path, "primitive can't have more than 1 type")
+	}
+	if len(s.GetType().GetValue()) == 1 {
+		t = s.GetType().GetValue()[0]
+	}
+	switch t {
+	case String:
+	case Number:
+	case Integer:
+	case Boolean:
+	case "": // Some models are completely empty, and can be safely ignored.
+		// Do nothing
+	default:
+		return nil, newSchemaError(path, "Unknown primitive type: %q", t)
+	}
+	return &Primitive{
+		BaseSchema: d.parseBaseSchema(s, path),
+		Type:       t,
+		Format:     s.GetFormat(),
+	}, nil
+}
+
+func (d *Definitions) parseArray(s *openapi_v2.Schema, path *Path) (Schema, error) {
+	if len(s.GetType().GetValue()) != 1 {
+		return nil, newSchemaError(path, "array should have exactly one type")
+	}
+	if s.GetType().GetValue()[0] != array {
+		return nil, newSchemaError(path, `array should have type "array"`)
+	}
+	if len(s.GetItems().GetSchema()) != 1 {
+		return nil, newSchemaError(path, "array should have exactly one sub-item")
+	}
+	sub, err := d.ParseSchema(s.GetItems().GetSchema()[0], path)
+	if err != nil {
+		return nil, err
+	}
+	return &Array{
+		BaseSchema: d.parseBaseSchema(s, path),
+		SubType:    sub,
+	}, nil
+}
+
+func (d *Definitions) parseKind(s *openapi_v2.Schema, path *Path) (Schema, error) {
+	if len(s.GetType().GetValue()) != 0 && s.GetType().GetValue()[0] != object {
+		return nil, newSchemaError(path, "invalid object type")
+	}
+	if s.GetProperties() == nil {
+		return nil, newSchemaError(path, "object doesn't have properties")
+	}
+
+	fields := map[string]Schema{}
+
+	for _, namedSchema := range s.GetProperties().GetAdditionalProperties() {
+		var err error
+		path := path.FieldPath(namedSchema.GetName())
+		fields[namedSchema.GetName()], err = d.ParseSchema(namedSchema.GetValue(), &path)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return &Kind{
+		BaseSchema:     d.parseBaseSchema(s, path),
+		RequiredFields: s.GetRequired(),
+		Fields:         fields,
+	}, nil
+}
+
+func (d *Definitions) parseArbitrary(s *openapi_v2.Schema, path *Path) (Schema, error) {
+	return &Arbitrary{
+		BaseSchema: d.parseBaseSchema(s, path),
+	}, nil
+}
+
+// ParseSchema creates a walkable Schema from an openapi schema. While
+// this function is public, it doesn't leak through the interface.
+func (d *Definitions) ParseSchema(s *openapi_v2.Schema, path *Path) (Schema, error) {
+	objectTypes := s.GetType().GetValue()
+	if len(objectTypes) == 1 {
+		t := objectTypes[0]
+		switch t {
+		case object:
+			return d.parseMap(s, path)
+		case array:
+			return d.parseArray(s, path)
+		}
+
+	}
+	if s.GetXRef() != "" {
+		return d.parseReference(s, path)
+	}
+	if s.GetProperties() != nil {
+		return d.parseKind(s, path)
+	}
+	if len(objectTypes) == 0 || (len(objectTypes) == 1 && objectTypes[0] == "") {
+		return d.parseArbitrary(s, path)
+	}
+	return d.parsePrimitive(s, path)
+}
+
+// LookupModel is public through the interface of Models. It
+// returns a visitable schema from the given model name.
+func (d *Definitions) LookupModel(model string) Schema {
+	return d.models[model]
+}
+
+func (d *Definitions) ListModels() []string {
+	models := []string{}
+
+	for model := range d.models {
+		models = append(models, model)
+	}
+
+	sort.Strings(models)
+	return models
+}
+
+type Ref struct {
+	BaseSchema
+
+	reference   string
+	definitions *Definitions
+}
+
+var _ Reference = &Ref{}
+
+func (r *Ref) Reference() string {
+	return r.reference
+}
+
+func (r *Ref) SubSchema() Schema {
+	return r.definitions.models[r.reference]
+}
+
+func (r *Ref) Accept(v SchemaVisitor) {
+	v.VisitReference(r)
+}
+
+func (r *Ref) GetName() string {
+	return fmt.Sprintf("Reference to %q", r.reference)
+}

vendor/k8s.io/kube-openapi/pkg/util/proto/openapi.go

@@ -0,0 +1,276 @@
+/*
+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 proto
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+)
+
+// Defines openapi types.
+const (
+	Integer = "integer"
+	Number  = "number"
+	String  = "string"
+	Boolean = "boolean"
+
+	// These types are private as they should never leak, and are
+	// represented by actual structs.
+	array  = "array"
+	object = "object"
+)
+
+// Models interface describe a model provider. They can give you the
+// schema for a specific model.
+type Models interface {
+	LookupModel(string) Schema
+	ListModels() []string
+}
+
+// SchemaVisitor is an interface that you need to implement if you want
+// to "visit" an openapi schema. A dispatch on the Schema type will call
+// the appropriate function based on its actual type:
+// - Array is a list of one and only one given subtype
+// - Map is a map of string to one and only one given subtype
+// - Primitive can be string, integer, number and boolean.
+// - Kind is an object with specific fields mapping to specific types.
+// - Reference is a link to another definition.
+type SchemaVisitor interface {
+	VisitArray(*Array)
+	VisitMap(*Map)
+	VisitPrimitive(*Primitive)
+	VisitKind(*Kind)
+	VisitReference(Reference)
+}
+
+// SchemaVisitorArbitrary is an additional visitor interface which handles
+// arbitrary types. For backwards compatability, it's a separate interface
+// which is checked for at runtime.
+type SchemaVisitorArbitrary interface {
+	SchemaVisitor
+	VisitArbitrary(*Arbitrary)
+}
+
+// Schema is the base definition of an openapi type.
+type Schema interface {
+	// Giving a visitor here will let you visit the actual type.
+	Accept(SchemaVisitor)
+
+	// Pretty print the name of the type.
+	GetName() string
+	// Describes how to access this field.
+	GetPath() *Path
+	// Describes the field.
+	GetDescription() string
+	// Returns type extensions.
+	GetExtensions() map[string]interface{}
+}
+
+// Path helps us keep track of type paths
+type Path struct {
+	parent *Path
+	key    string
+}
+
+func NewPath(key string) Path {
+	return Path{key: key}
+}
+
+func (p *Path) Get() []string {
+	if p == nil {
+		return []string{}
+	}
+	if p.key == "" {
+		return p.parent.Get()
+	}
+	return append(p.parent.Get(), p.key)
+}
+
+func (p *Path) Len() int {
+	return len(p.Get())
+}
+
+func (p *Path) String() string {
+	return strings.Join(p.Get(), "")
+}
+
+// ArrayPath appends an array index and creates a new path
+func (p *Path) ArrayPath(i int) Path {
+	return Path{
+		parent: p,
+		key:    fmt.Sprintf("[%d]", i),
+	}
+}
+
+// FieldPath appends a field name and creates a new path
+func (p *Path) FieldPath(field string) Path {
+	return Path{
+		parent: p,
+		key:    fmt.Sprintf(".%s", field),
+	}
+}
+
+// BaseSchema holds data used by each types of schema.
+type BaseSchema struct {
+	Description string
+	Extensions  map[string]interface{}
+
+	Path Path
+}
+
+func (b *BaseSchema) GetDescription() string {
+	return b.Description
+}
+
+func (b *BaseSchema) GetExtensions() map[string]interface{} {
+	return b.Extensions
+}
+
+func (b *BaseSchema) GetPath() *Path {
+	return &b.Path
+}
+
+// Array must have all its element of the same `SubType`.
+type Array struct {
+	BaseSchema
+
+	SubType Schema
+}
+
+var _ Schema = &Array{}
+
+func (a *Array) Accept(v SchemaVisitor) {
+	v.VisitArray(a)
+}
+
+func (a *Array) GetName() string {
+	return fmt.Sprintf("Array of %s", a.SubType.GetName())
+}
+
+// Kind is a complex object. It can have multiple different
+// subtypes for each field, as defined in the `Fields` field. Mandatory
+// fields are listed in `RequiredFields`. The key of the object is
+// always of type `string`.
+type Kind struct {
+	BaseSchema
+
+	// Lists names of required fields.
+	RequiredFields []string
+	// Maps field names to types.
+	Fields map[string]Schema
+}
+
+var _ Schema = &Kind{}
+
+func (k *Kind) Accept(v SchemaVisitor) {
+	v.VisitKind(k)
+}
+
+func (k *Kind) GetName() string {
+	properties := []string{}
+	for key := range k.Fields {
+		properties = append(properties, key)
+	}
+	return fmt.Sprintf("Kind(%v)", properties)
+}
+
+// IsRequired returns true if `field` is a required field for this type.
+func (k *Kind) IsRequired(field string) bool {
+	for _, f := range k.RequiredFields {
+		if f == field {
+			return true
+		}
+	}
+	return false
+}
+
+// Keys returns a alphabetically sorted list of keys.
+func (k *Kind) Keys() []string {
+	keys := make([]string, 0)
+	for key := range k.Fields {
+		keys = append(keys, key)
+	}
+	sort.Strings(keys)
+	return keys
+}
+
+// Map is an object who values must all be of the same `SubType`.
+// The key of the object is always of type `string`.
+type Map struct {
+	BaseSchema
+
+	SubType Schema
+}
+
+var _ Schema = &Map{}
+
+func (m *Map) Accept(v SchemaVisitor) {
+	v.VisitMap(m)
+}
+
+func (m *Map) GetName() string {
+	return fmt.Sprintf("Map of %s", m.SubType.GetName())
+}
+
+// Primitive is a literal. There can be multiple types of primitives,
+// and this subtype can be visited through the `subType` field.
+type Primitive struct {
+	BaseSchema
+
+	// Type of a primitive must be one of: integer, number, string, boolean.
+	Type   string
+	Format string
+}
+
+var _ Schema = &Primitive{}
+
+func (p *Primitive) Accept(v SchemaVisitor) {
+	v.VisitPrimitive(p)
+}
+
+func (p *Primitive) GetName() string {
+	if p.Format == "" {
+		return p.Type
+	}
+	return fmt.Sprintf("%s (%s)", p.Type, p.Format)
+}
+
+// Arbitrary is a value of any type (primitive, object or array)
+type Arbitrary struct {
+	BaseSchema
+}
+
+var _ Schema = &Arbitrary{}
+
+func (a *Arbitrary) Accept(v SchemaVisitor) {
+	if visitor, ok := v.(SchemaVisitorArbitrary); ok {
+		visitor.VisitArbitrary(a)
+	}
+}
+
+func (a *Arbitrary) GetName() string {
+	return "Arbitrary value (primitive, object or array)"
+}
+
+// Reference implementation depends on the type of document.
+type Reference interface {
+	Schema
+
+	Reference() string
+	SubSchema() Schema
+}

vendor/k8s.io/kube-openapi/pkg/util/proto/openapi_suite_test.go

@@ -0,0 +1,49 @@
+/*
+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 proto_test
+
+import (
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/ginkgo/config"
+	. "github.com/onsi/ginkgo/types"
+	. "github.com/onsi/gomega"
+
+	"fmt"
+	"testing"
+)
+
+func TestOpenapi(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecsWithDefaultAndCustomReporters(t, "Openapi Suite", []Reporter{newlineReporter{}})
+}
+
+// Print a newline after the default newlineReporter due to issue
+// https://github.com/jstemmer/go-junit-report/issues/31
+type newlineReporter struct{}
+
+func (newlineReporter) SpecSuiteWillBegin(config GinkgoConfigType, summary *SuiteSummary) {}
+
+func (newlineReporter) BeforeSuiteDidRun(setupSummary *SetupSummary) {}
+
+func (newlineReporter) AfterSuiteDidRun(setupSummary *SetupSummary) {}
+
+func (newlineReporter) SpecWillRun(specSummary *SpecSummary) {}
+
+func (newlineReporter) SpecDidComplete(specSummary *SpecSummary) {}
+
+// SpecSuiteDidEnd Prints a newline between "35 Passed | 0 Failed | 0 Pending | 0 Skipped" and "--- PASS:"
+func (newlineReporter) SpecSuiteDidEnd(summary *SuiteSummary) { fmt.Printf("\n") }

vendor/k8s.io/kube-openapi/pkg/util/proto/openapi_test.go

@@ -0,0 +1,207 @@
+/*
+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 proto_test
+
+import (
+	"path/filepath"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	"k8s.io/kube-openapi/pkg/util/proto"
+	"k8s.io/kube-openapi/pkg/util/proto/testing"
+)
+
+var fakeSchema = testing.Fake{Path: filepath.Join("testing", "swagger.json")}
+
+var _ = Describe("Reading apps/v1beta1/Deployment from openAPIData", func() {
+	var models proto.Models
+	BeforeEach(func() {
+		s, err := fakeSchema.OpenAPISchema()
+		Expect(err).To(BeNil())
+		models, err = proto.NewOpenAPIData(s)
+		Expect(err).To(BeNil())
+	})
+
+	model := "io.k8s.api.apps.v1beta1.Deployment"
+	var schema proto.Schema
+	It("should lookup the Schema by its model name", func() {
+		schema = models.LookupModel(model)
+		Expect(schema).ToNot(BeNil())
+	})
+
+	var deployment *proto.Kind
+	It("should be a Kind", func() {
+		deployment = schema.(*proto.Kind)
+		Expect(deployment).ToNot(BeNil())
+	})
+
+	It("should have a path", func() {
+		Expect(deployment.GetPath().Get()).To(Equal([]string{"io.k8s.api.apps.v1beta1.Deployment"}))
+	})
+
+	It("should have a kind key of type string", func() {
+		Expect(deployment.Fields).To(HaveKey("kind"))
+		key := deployment.Fields["kind"].(*proto.Primitive)
+		Expect(key).ToNot(BeNil())
+		Expect(key.Type).To(Equal("string"))
+		Expect(key.GetPath().Get()).To(Equal([]string{"io.k8s.api.apps.v1beta1.Deployment", ".kind"}))
+	})
+
+	It("should have a apiVersion key of type string", func() {
+		Expect(deployment.Fields).To(HaveKey("apiVersion"))
+		key := deployment.Fields["apiVersion"].(*proto.Primitive)
+		Expect(key).ToNot(BeNil())
+		Expect(key.Type).To(Equal("string"))
+		Expect(key.GetPath().Get()).To(Equal([]string{"io.k8s.api.apps.v1beta1.Deployment", ".apiVersion"}))
+	})
+
+	It("should have a metadata key of type Reference", func() {
+		Expect(deployment.Fields).To(HaveKey("metadata"))
+		key := deployment.Fields["metadata"].(proto.Reference)
+		Expect(key).ToNot(BeNil())
+		Expect(key.Reference()).To(Equal("io.k8s.apimachinery.pkg.apis.meta.v1.ObjectMeta"))
+		subSchema := key.SubSchema().(*proto.Kind)
+		Expect(subSchema).ToNot(BeNil())
+	})
+
+	var status *proto.Kind
+	It("should have a status key of type Reference", func() {
+		Expect(deployment.Fields).To(HaveKey("status"))
+		key := deployment.Fields["status"].(proto.Reference)
+		Expect(key).ToNot(BeNil())
+		Expect(key.Reference()).To(Equal("io.k8s.api.apps.v1beta1.DeploymentStatus"))
+		status = key.SubSchema().(*proto.Kind)
+		Expect(status).ToNot(BeNil())
+	})
+
+	It("should have a valid DeploymentStatus", func() {
+		By("having availableReplicas key")
+		Expect(status.Fields).To(HaveKey("availableReplicas"))
+		replicas := status.Fields["availableReplicas"].(*proto.Primitive)
+		Expect(replicas).ToNot(BeNil())
+		Expect(replicas.Type).To(Equal("integer"))
+
+		By("having conditions key")
+		Expect(status.Fields).To(HaveKey("conditions"))
+		conditions := status.Fields["conditions"].(*proto.Array)
+		Expect(conditions).ToNot(BeNil())
+		Expect(conditions.GetName()).To(Equal(`Array of Reference to "io.k8s.api.apps.v1beta1.DeploymentCondition"`))
+		Expect(conditions.GetExtensions()).To(Equal(map[string]interface{}{
+			"x-kubernetes-patch-merge-key": "type",
+			"x-kubernetes-patch-strategy":  "merge",
+		}))
+		condition := conditions.SubType.(proto.Reference)
+		Expect(condition.Reference()).To(Equal("io.k8s.api.apps.v1beta1.DeploymentCondition"))
+	})
+
+	var spec *proto.Kind
+	It("should have a spec key of type Reference", func() {
+		Expect(deployment.Fields).To(HaveKey("spec"))
+		key := deployment.Fields["spec"].(proto.Reference)
+		Expect(key).ToNot(BeNil())
+		Expect(key.Reference()).To(Equal("io.k8s.api.apps.v1beta1.DeploymentSpec"))
+		spec = key.SubSchema().(*proto.Kind)
+		Expect(spec).ToNot(BeNil())
+	})
+
+	It("should have a spec with no gvk", func() {
+		_, found := spec.GetExtensions()["x-kubernetes-group-version-kind"]
+		Expect(found).To(BeFalse())
+	})
+
+	It("should have a spec with a PodTemplateSpec sub-field", func() {
+		Expect(spec.Fields).To(HaveKey("template"))
+		key := spec.Fields["template"].(proto.Reference)
+		Expect(key).ToNot(BeNil())
+		Expect(key.Reference()).To(Equal("io.k8s.api.core.v1.PodTemplateSpec"))
+	})
+})
+
+var _ = Describe("Reading authorization.k8s.io/v1/SubjectAccessReview from openAPIData", func() {
+	var models proto.Models
+	BeforeEach(func() {
+		s, err := fakeSchema.OpenAPISchema()
+		Expect(err).To(BeNil())
+		models, err = proto.NewOpenAPIData(s)
+		Expect(err).To(BeNil())
+	})
+
+	model := "io.k8s.api.authorization.v1.LocalSubjectAccessReview"
+	var schema proto.Schema
+	It("should lookup the Schema by its model", func() {
+		schema = models.LookupModel(model)
+		Expect(schema).ToNot(BeNil())
+	})
+
+	var sarspec *proto.Kind
+	It("should be a Kind and have a spec", func() {
+		sar := schema.(*proto.Kind)
+		Expect(sar).ToNot(BeNil())
+		Expect(sar.Fields).To(HaveKey("spec"))
+		specRef := sar.Fields["spec"].(proto.Reference)
+		Expect(specRef).ToNot(BeNil())
+		Expect(specRef.Reference()).To(Equal("io.k8s.api.authorization.v1.SubjectAccessReviewSpec"))
+		sarspec = specRef.SubSchema().(*proto.Kind)
+		Expect(sarspec).ToNot(BeNil())
+	})
+
+	It("should have a valid SubjectAccessReviewSpec", func() {
+		Expect(sarspec.Fields).To(HaveKey("extra"))
+		extra := sarspec.Fields["extra"].(*proto.Map)
+		Expect(extra).ToNot(BeNil())
+		Expect(extra.GetName()).To(Equal("Map of Array of string"))
+		Expect(extra.GetPath().Get()).To(Equal([]string{"io.k8s.api.authorization.v1.SubjectAccessReviewSpec", ".extra"}))
+		array := extra.SubType.(*proto.Array)
+		Expect(array).ToNot(BeNil())
+		Expect(array.GetName()).To(Equal("Array of string"))
+		Expect(array.GetPath().Get()).To(Equal([]string{"io.k8s.api.authorization.v1.SubjectAccessReviewSpec", ".extra"}))
+		str := array.SubType.(*proto.Primitive)
+		Expect(str).ToNot(BeNil())
+		Expect(str.Type).To(Equal("string"))
+		Expect(str.GetName()).To(Equal("string"))
+		Expect(str.GetPath().Get()).To(Equal([]string{"io.k8s.api.authorization.v1.SubjectAccessReviewSpec", ".extra"}))
+	})
+})
+
+var _ = Describe("Path", func() {
+	It("can be created by NewPath", func() {
+		path := proto.NewPath("key")
+		Expect(path.String()).To(Equal("key"))
+	})
+	It("can create and print complex paths", func() {
+		key := proto.NewPath("key")
+		array := key.ArrayPath(12)
+		field := array.FieldPath("subKey")
+
+		Expect(field.String()).To(Equal("key[12].subKey"))
+	})
+	It("has a length", func() {
+		key := proto.NewPath("key")
+		array := key.ArrayPath(12)
+		field := array.FieldPath("subKey")
+
+		Expect(field.Len()).To(Equal(3))
+	})
+	It("can look like an array", func() {
+		key := proto.NewPath("key")
+		array := key.ArrayPath(12)
+		field := array.FieldPath("subKey")
+
+		Expect(field.Get()).To(Equal([]string{"key", "[12]", ".subKey"}))
+	})
+})

vendor/k8s.io/kube-openapi/pkg/util/proto/testing/openapi.go

@@ -0,0 +1,62 @@
+/*
+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 (
+	"io/ioutil"
+	"os"
+	"sync"
+
+	yaml "gopkg.in/yaml.v2"
+
+	"github.com/googleapis/gnostic/OpenAPIv2"
+	"github.com/googleapis/gnostic/compiler"
+)
+
+// Fake opens and returns a openapi swagger from a file Path. It will
+// parse only once and then return the same copy everytime.
+type Fake struct {
+	Path string
+
+	once     sync.Once
+	document *openapi_v2.Document
+	err      error
+}
+
+// OpenAPISchema returns the openapi document and a potential error.
+func (f *Fake) OpenAPISchema() (*openapi_v2.Document, error) {
+	f.once.Do(func() {
+		_, err := os.Stat(f.Path)
+		if err != nil {
+			f.err = err
+			return
+		}
+		spec, err := ioutil.ReadFile(f.Path)
+		if err != nil {
+			f.err = err
+			return
+		}
+		var info yaml.MapSlice
+		err = yaml.Unmarshal(spec, &info)
+		if err != nil {
+			f.err = err
+			return
+		}
+		f.document, f.err = openapi_v2.NewDocument(info, compiler.NewContext("$root", nil))
+	})
+	return f.document, f.err
+}

vendor/k8s.io/kube-openapi/pkg/util/proto/validation/errors.go

@@ -0,0 +1,79 @@
+/*
+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 validation
+
+import (
+	"fmt"
+)
+
+type errors struct {
+	errors []error
+}
+
+func (e *errors) Errors() []error {
+	return e.errors
+}
+
+func (e *errors) AppendErrors(err ...error) {
+	e.errors = append(e.errors, err...)
+}
+
+type ValidationError struct {
+	Path string
+	Err  error
+}
+
+func (e ValidationError) Error() string {
+	return fmt.Sprintf("ValidationError(%s): %v", e.Path, e.Err)
+}
+
+type InvalidTypeError struct {
+	Path     string
+	Expected string
+	Actual   string
+}
+
+func (e InvalidTypeError) Error() string {
+	return fmt.Sprintf("invalid type for %s: got %q, expected %q", e.Path, e.Actual, e.Expected)
+}
+
+type MissingRequiredFieldError struct {
+	Path  string
+	Field string
+}
+
+func (e MissingRequiredFieldError) Error() string {
+	return fmt.Sprintf("missing required field %q in %s", e.Field, e.Path)
+}
+
+type UnknownFieldError struct {
+	Path  string
+	Field string
+}
+
+func (e UnknownFieldError) Error() string {
+	return fmt.Sprintf("unknown field %q in %s", e.Field, e.Path)
+}
+
+type InvalidObjectTypeError struct {
+	Path string
+	Type string
+}
+
+func (e InvalidObjectTypeError) Error() string {
+	return fmt.Sprintf("unknown object type %q in %s", e.Type, e.Path)
+}

vendor/k8s.io/kube-openapi/pkg/util/proto/validation/types.go

@@ -0,0 +1,298 @@
+/*
+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 validation
+
+import (
+	"reflect"
+	"sort"
+
+	"k8s.io/kube-openapi/pkg/util/proto"
+)
+
+type validationItem interface {
+	proto.SchemaVisitor
+
+	Errors() []error
+	Path() *proto.Path
+}
+
+type baseItem struct {
+	errors errors
+	path   proto.Path
+}
+
+// Errors returns the list of errors found for this item.
+func (item *baseItem) Errors() []error {
+	return item.errors.Errors()
+}
+
+// AddValidationError wraps the given error into a ValidationError and
+// attaches it to this item.
+func (item *baseItem) AddValidationError(err error) {
+	item.errors.AppendErrors(ValidationError{Path: item.path.String(), Err: err})
+}
+
+// AddError adds a regular (non-validation related) error to the list.
+func (item *baseItem) AddError(err error) {
+	item.errors.AppendErrors(err)
+}
+
+// CopyErrors adds a list of errors to this item. This is useful to copy
+// errors from subitems.
+func (item *baseItem) CopyErrors(errs []error) {
+	item.errors.AppendErrors(errs...)
+}
+
+// Path returns the path of this item, helps print useful errors.
+func (item *baseItem) Path() *proto.Path {
+	return &item.path
+}
+
+// mapItem represents a map entry in the yaml.
+type mapItem struct {
+	baseItem
+
+	Map map[string]interface{}
+}
+
+func (item *mapItem) sortedKeys() []string {
+	sortedKeys := []string{}
+	for key := range item.Map {
+		sortedKeys = append(sortedKeys, key)
+	}
+	sort.Strings(sortedKeys)
+	return sortedKeys
+}
+
+var _ validationItem = &mapItem{}
+
+func (item *mapItem) VisitPrimitive(schema *proto.Primitive) {
+	item.AddValidationError(InvalidTypeError{Path: schema.GetPath().String(), Expected: schema.Type, Actual: "map"})
+}
+
+func (item *mapItem) VisitArray(schema *proto.Array) {
+	item.AddValidationError(InvalidTypeError{Path: schema.GetPath().String(), Expected: "array", Actual: "map"})
+}
+
+func (item *mapItem) VisitMap(schema *proto.Map) {
+	for _, key := range item.sortedKeys() {
+		subItem, err := itemFactory(item.Path().FieldPath(key), item.Map[key])
+		if err != nil {
+			item.AddError(err)
+			continue
+		}
+		schema.SubType.Accept(subItem)
+		item.CopyErrors(subItem.Errors())
+	}
+}
+
+func (item *mapItem) VisitKind(schema *proto.Kind) {
+	// Verify each sub-field.
+	for _, key := range item.sortedKeys() {
+		if item.Map[key] == nil {
+			continue
+		}
+		subItem, err := itemFactory(item.Path().FieldPath(key), item.Map[key])
+		if err != nil {
+			item.AddError(err)
+			continue
+		}
+		if _, ok := schema.Fields[key]; !ok {
+			item.AddValidationError(UnknownFieldError{Path: schema.GetPath().String(), Field: key})
+			continue
+		}
+		schema.Fields[key].Accept(subItem)
+		item.CopyErrors(subItem.Errors())
+	}
+
+	// Verify that all required fields are present.
+	for _, required := range schema.RequiredFields {
+		if v, ok := item.Map[required]; !ok || v == nil {
+			item.AddValidationError(MissingRequiredFieldError{Path: schema.GetPath().String(), Field: required})
+		}
+	}
+}
+
+func (item *mapItem) VisitArbitrary(schema *proto.Arbitrary) {
+}
+
+func (item *mapItem) VisitReference(schema proto.Reference) {
+	// passthrough
+	schema.SubSchema().Accept(item)
+}
+
+// arrayItem represents a yaml array.
+type arrayItem struct {
+	baseItem
+
+	Array []interface{}
+}
+
+var _ validationItem = &arrayItem{}
+
+func (item *arrayItem) VisitPrimitive(schema *proto.Primitive) {
+	item.AddValidationError(InvalidTypeError{Path: schema.GetPath().String(), Expected: schema.Type, Actual: "array"})
+}
+
+func (item *arrayItem) VisitArray(schema *proto.Array) {
+	for i, v := range item.Array {
+		path := item.Path().ArrayPath(i)
+		if v == nil {
+			item.AddValidationError(InvalidObjectTypeError{Type: "nil", Path: path.String()})
+			continue
+		}
+		subItem, err := itemFactory(path, v)
+		if err != nil {
+			item.AddError(err)
+			continue
+		}
+		schema.SubType.Accept(subItem)
+		item.CopyErrors(subItem.Errors())
+	}
+}
+
+func (item *arrayItem) VisitMap(schema *proto.Map) {
+	item.AddValidationError(InvalidTypeError{Path: schema.GetPath().String(), Expected: "map", Actual: "array"})
+}
+
+func (item *arrayItem) VisitKind(schema *proto.Kind) {
+	item.AddValidationError(InvalidTypeError{Path: schema.GetPath().String(), Expected: "map", Actual: "array"})
+}
+
+func (item *arrayItem) VisitArbitrary(schema *proto.Arbitrary) {
+}
+
+func (item *arrayItem) VisitReference(schema proto.Reference) {
+	// passthrough
+	schema.SubSchema().Accept(item)
+}
+
+// primitiveItem represents a yaml value.
+type primitiveItem struct {
+	baseItem
+
+	Value interface{}
+	Kind  string
+}
+
+var _ validationItem = &primitiveItem{}
+
+func (item *primitiveItem) VisitPrimitive(schema *proto.Primitive) {
+	// Some types of primitives can match more than one (a number
+	// can be a string, but not the other way around). Return from
+	// the switch if we have a valid possible type conversion
+	// NOTE(apelisse): This logic is blindly copied from the
+	// existing swagger logic, and I'm not sure I agree with it.
+	switch schema.Type {
+	case proto.Boolean:
+		switch item.Kind {
+		case proto.Boolean:
+			return
+		}
+	case proto.Integer:
+		switch item.Kind {
+		case proto.Integer, proto.Number:
+			return
+		}
+	case proto.Number:
+		switch item.Kind {
+		case proto.Number:
+			return
+		}
+	case proto.String:
+		return
+	}
+
+	item.AddValidationError(InvalidTypeError{Path: schema.GetPath().String(), Expected: schema.Type, Actual: item.Kind})
+}
+
+func (item *primitiveItem) VisitArray(schema *proto.Array) {
+	item.AddValidationError(InvalidTypeError{Path: schema.GetPath().String(), Expected: "array", Actual: item.Kind})
+}
+
+func (item *primitiveItem) VisitMap(schema *proto.Map) {
+	item.AddValidationError(InvalidTypeError{Path: schema.GetPath().String(), Expected: "map", Actual: item.Kind})
+}
+
+func (item *primitiveItem) VisitKind(schema *proto.Kind) {
+	item.AddValidationError(InvalidTypeError{Path: schema.GetPath().String(), Expected: "map", Actual: item.Kind})
+}
+
+func (item *primitiveItem) VisitArbitrary(schema *proto.Arbitrary) {
+}
+
+func (item *primitiveItem) VisitReference(schema proto.Reference) {
+	// passthrough
+	schema.SubSchema().Accept(item)
+}
+
+// itemFactory creates the relevant item type/visitor based on the current yaml type.
+func itemFactory(path proto.Path, v interface{}) (validationItem, error) {
+	// We need to special case for no-type fields in yaml (e.g. empty item in list)
+	if v == nil {
+		return nil, InvalidObjectTypeError{Type: "nil", Path: path.String()}
+	}
+	kind := reflect.TypeOf(v).Kind()
+	switch kind {
+	case reflect.Bool:
+		return &primitiveItem{
+			baseItem: baseItem{path: path},
+			Value:    v,
+			Kind:     proto.Boolean,
+		}, nil
+	case reflect.Int,
+		reflect.Int8,
+		reflect.Int16,
+		reflect.Int32,
+		reflect.Int64,
+		reflect.Uint,
+		reflect.Uint8,
+		reflect.Uint16,
+		reflect.Uint32,
+		reflect.Uint64:
+		return &primitiveItem{
+			baseItem: baseItem{path: path},
+			Value:    v,
+			Kind:     proto.Integer,
+		}, nil
+	case reflect.Float32,
+		reflect.Float64:
+		return &primitiveItem{
+			baseItem: baseItem{path: path},
+			Value:    v,
+			Kind:     proto.Number,
+		}, nil
+	case reflect.String:
+		return &primitiveItem{
+			baseItem: baseItem{path: path},
+			Value:    v,
+			Kind:     proto.String,
+		}, nil
+	case reflect.Array,
+		reflect.Slice:
+		return &arrayItem{
+			baseItem: baseItem{path: path},
+			Array:    v.([]interface{}),
+		}, nil
+	case reflect.Map:
+		return &mapItem{
+			baseItem: baseItem{path: path},
+			Map:      v.(map[string]interface{}),
+		}, nil
+	}
+	return nil, InvalidObjectTypeError{Type: kind.String(), Path: path.String()}
+}

vendor/k8s.io/kube-openapi/pkg/util/proto/validation/validation.go

@@ -0,0 +1,30 @@
+/*
+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 validation
+
+import (
+	"k8s.io/kube-openapi/pkg/util/proto"
+)
+
+func ValidateModel(obj interface{}, schema proto.Schema, name string) []error {
+	rootValidation, err := itemFactory(proto.NewPath(name), obj)
+	if err != nil {
+		return []error{err}
+	}
+	schema.Accept(rootValidation)
+	return rootValidation.Errors()
+}