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vendor update for E2E framework

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Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna
2019-05-31 15:15:11 +05:30
parent 9bb23e4e32
commit d300da19b7
2149 changed files with 598692 additions and 14107 deletions
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Apache License
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/*
Copyright 2016 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 common
import (
"net/http"
"strings"
"github.com/emicklei/go-restful"
"github.com/go-openapi/spec"
)
// OpenAPIDefinition describes single type. Normally these definitions are auto-generated using gen-openapi.
type OpenAPIDefinition struct {
Schema spec.Schema
Dependencies []string
}
type ReferenceCallback func(path string) spec.Ref
// GetOpenAPIDefinitions is collection of all definitions.
type GetOpenAPIDefinitions func(ReferenceCallback) map[string]OpenAPIDefinition
// OpenAPIDefinitionGetter gets openAPI definitions for a given type. If a type implements this interface,
// the definition returned by it will be used, otherwise the auto-generated definitions will be used. See
// GetOpenAPITypeFormat for more information about trade-offs of using this interface or GetOpenAPITypeFormat method when
// possible.
type OpenAPIDefinitionGetter interface {
OpenAPIDefinition() *OpenAPIDefinition
}
type PathHandler interface {
Handle(path string, handler http.Handler)
}
// Config is set of configuration for openAPI spec generation.
type Config struct {
// List of supported protocols such as https, http, etc.
ProtocolList []string
// Info is general information about the API.
Info *spec.Info
// DefaultResponse will be used if an operation does not have any responses listed. It
// will show up as ... "responses" : {"default" : $DefaultResponse} in the spec.
DefaultResponse *spec.Response
// ResponseDefinitions will be added to "responses" under the top-level swagger object. This is an object
// that holds responses definitions that can be used across operations. This property does not define
// global responses for all operations. For more info please refer:
// https://github.com/OAI/OpenAPI-Specification/blob/master/versions/2.0.md#fixed-fields
ResponseDefinitions map[string]spec.Response
// CommonResponses will be added as a response to all operation specs. This is a good place to add common
// responses such as authorization failed.
CommonResponses map[int]spec.Response
// List of webservice's path prefixes to ignore
IgnorePrefixes []string
// OpenAPIDefinitions should provide definition for all models used by routes. Failure to provide this map
// or any of the models will result in spec generation failure.
GetDefinitions GetOpenAPIDefinitions
// GetOperationIDAndTags returns operation id and tags for a restful route. It is an optional function to customize operation IDs.
GetOperationIDAndTags func(r *restful.Route) (string, []string, error)
// GetDefinitionName returns a friendly name for a definition base on the serving path. parameter `name` is the full name of the definition.
// It is an optional function to customize model names.
GetDefinitionName func(name string) (string, spec.Extensions)
// PostProcessSpec runs after the spec is ready to serve. It allows a final modification to the spec before serving.
PostProcessSpec func(*spec.Swagger) (*spec.Swagger, error)
// SecurityDefinitions is list of all security definitions for OpenAPI service. If this is not nil, the user of config
// is responsible to provide DefaultSecurity and (maybe) add unauthorized response to CommonResponses.
SecurityDefinitions *spec.SecurityDefinitions
// DefaultSecurity for all operations. This will pass as spec.SwaggerProps.Security to OpenAPI.
// For most cases, this will be list of acceptable definitions in SecurityDefinitions.
DefaultSecurity []map[string][]string
}
var schemaTypeFormatMap = map[string][]string{
"uint": {"integer", "int32"},
"uint8": {"integer", "byte"},
"uint16": {"integer", "int32"},
"uint32": {"integer", "int64"},
"uint64": {"integer", "int64"},
"int": {"integer", "int32"},
"int8": {"integer", "byte"},
"int16": {"integer", "int32"},
"int32": {"integer", "int32"},
"int64": {"integer", "int64"},
"byte": {"integer", "byte"},
"float64": {"number", "double"},
"float32": {"number", "float"},
"bool": {"boolean", ""},
"time.Time": {"string", "date-time"},
"string": {"string", ""},
"integer": {"integer", ""},
"number": {"number", ""},
"boolean": {"boolean", ""},
"[]byte": {"string", "byte"}, // base64 encoded characters
"interface{}": {"object", ""},
}
// This function is a reference for converting go (or any custom type) to a simple open API type,format pair. There are
// two ways to customize spec for a type. If you add it here, a type will be converted to a simple type and the type
// comment (the comment that is added before type definition) will be lost. The spec will still have the property
// comment. The second way is to implement OpenAPIDefinitionGetter interface. That function can customize the spec (so
// the spec does not need to be simple type,format) or can even return a simple type,format (e.g. IntOrString). For simple
// type formats, the benefit of adding OpenAPIDefinitionGetter interface is to keep both type and property documentation.
// Example:
// type Sample struct {
// ...
// // port of the server
// port IntOrString
// ...
// }
// // IntOrString documentation...
// type IntOrString { ... }
//
// Adding IntOrString to this function:
// "port" : {
// format: "string",
// type: "int-or-string",
// Description: "port of the server"
// }
//
// Implement OpenAPIDefinitionGetter for IntOrString:
//
// "port" : {
// $Ref: "#/definitions/IntOrString"
// Description: "port of the server"
// }
// ...
// definitions:
// {
// "IntOrString": {
// format: "string",
// type: "int-or-string",
// Description: "IntOrString documentation..." // new
// }
// }
//
func GetOpenAPITypeFormat(typeName string) (string, string) {
mapped, ok := schemaTypeFormatMap[typeName]
if !ok {
return "", ""
}
return mapped[0], mapped[1]
}
func EscapeJsonPointer(p string) string {
// Escaping reference name using rfc6901
p = strings.Replace(p, "~", "~0", -1)
p = strings.Replace(p, "/", "~1", -1)
return p
}

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/*
Copyright 2016 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 common holds shared code and types between open API code
// generator and spec generator.
package common

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/*
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

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/*
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"
"github.com/googleapis/gnostic/OpenAPIv2"
"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) {
// TODO(wrong): a schema with a $ref can have properties. We can ignore them (would be incomplete), but we cannot return an error.
if len(s.GetProperties().GetAdditionalProperties()) > 0 {
return nil, newSchemaError(path, "unallowed embedded type definition")
}
// TODO(wrong): a schema with a $ref can have a type. We can ignore it (would be incomplete), but we cannot return an error.
if len(s.GetType().GetValue()) > 0 {
return nil, newSchemaError(path, "definition reference can't have a type")
}
// TODO(wrong): $refs outside of the definitions are completely valid. We can ignore them (would be incomplete), but we cannot return an error.
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")
}
var sub Schema
// TODO(incomplete): this misses the boolean case as AdditionalProperties is a bool+schema sum type.
if s.GetAdditionalProperties().GetSchema() == nil {
sub = &Arbitrary{
BaseSchema: d.parseBaseSchema(s, path),
}
} else {
var err error
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: // do nothing
case Number: // do nothing
case Integer: // do nothing
case Boolean: // do nothing
// TODO(wrong): this misses "null". Would skip the null case (would be incomplete), but we cannot return an error.
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 {
// TODO(wrong): Items can have multiple elements. We can ignore Items then (would be incomplete), but we cannot return an error.
// TODO(wrong): "type: array" witohut any items at all is completely valid.
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{}
fieldOrder := []string{}
for _, namedSchema := range s.GetProperties().GetAdditionalProperties() {
var err error
name := namedSchema.GetName()
path := path.FieldPath(name)
fields[name], err = d.ParseSchema(namedSchema.GetValue(), &path)
if err != nil {
return nil, err
}
fieldOrder = append(fieldOrder, name)
}
return &Kind{
BaseSchema: d.parseBaseSchema(s, path),
RequiredFields: s.GetRequired(),
Fields: fields,
FieldOrder: fieldOrder,
}, 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) {
if s.GetXRef() != "" {
// TODO(incomplete): ignoring the rest of s is wrong. As long as there are no conflict, everything from s must be considered
// Reference: https://github.com/OAI/OpenAPI-Specification/blob/master/versions/2.0.md#path-item-object
return d.parseReference(s, path)
}
objectTypes := s.GetType().GetValue()
switch len(objectTypes) {
case 0:
// in the OpenAPI schema served by older k8s versions, object definitions created from structs did not include
// the type:object property (they only included the "properties" property), so we need to handle this case
// TODO: validate that we ever published empty, non-nil properties. JSON roundtripping nils them.
if s.GetProperties() != nil {
// TODO(wrong): when verifying a non-object later against this, it will be rejected as invalid type.
// TODO(CRD validation schema publishing): we have to filter properties (empty or not) if type=object is not given
return d.parseKind(s, path)
} else {
// Definition has no type and no properties. Treat it as an arbitrary value
// TODO(incomplete): what if it has additionalProperties=false or patternProperties?
// ANSWER: parseArbitrary is less strict than it has to be with patternProperties (which is ignored). So this is correct (of course not complete).
return d.parseArbitrary(s, path)
}
case 1:
t := objectTypes[0]
switch t {
case object:
if s.GetProperties() != nil {
return d.parseKind(s, path)
} else {
return d.parseMap(s, path)
}
case array:
return d.parseArray(s, path)
}
return d.parsePrimitive(s, path)
default:
// the OpenAPI generator never generates (nor it ever did in the past) OpenAPI type definitions with multiple types
// TODO(wrong): this is rejecting a completely valid OpenAPI spec
// TODO(CRD validation schema publishing): filter these out
return nil, newSchemaError(path, "definitions with multiple types aren't supported")
}
}
// 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)
}

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@ -0,0 +1,278 @@
/*
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 compatibility, 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
// FieldOrder reports the canonical order for the fields.
FieldOrder []string
}
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
}