use istio client-go library instead of knative (#1661)

use istio client-go library instead of knative
bump kubernetes dependency version
change code coverage to codecov
This commit is contained in:
zryfish
2019-12-13 11:26:18 +08:00
committed by GitHub
parent f249a6e081
commit ea88c8803d
2071 changed files with 354531 additions and 108336 deletions

View File

@@ -18,6 +18,7 @@ package args
import (
"fmt"
"path/filepath"
"github.com/spf13/pflag"
"k8s.io/gengo/args"
@@ -38,6 +39,8 @@ func NewDefaults() (*args.GeneratorArgs, *CustomArgs) {
// WithoutDefaultFlagParsing() disables implicit addition of command line flags and parsing,
// which allows registering custom arguments afterwards
genericArgs := args.Default().WithoutDefaultFlagParsing()
genericArgs.GoHeaderFilePath = filepath.Join(args.DefaultSourceTree(), "k8s.io/kube-openapi/boilerplate/boilerplate.go.txt")
customArgs := &CustomArgs{}
genericArgs.CustomArgs = customArgs

View File

@@ -54,5 +54,4 @@ func main() {
); err != nil {
log.Fatalf("OpenAPI code generation error: %v", err)
}
log.Println("Code for OpenAPI definitions generated")
}

View File

@@ -31,8 +31,6 @@ import (
const (
OpenAPIVersion = "2.0"
// TODO: Make this configurable.
extensionPrefix = "x-kubernetes-"
)
type openAPI struct {
@@ -154,6 +152,11 @@ func (o *openAPI) buildDefinitionRecursively(name string) error {
schema.Extensions[k] = v
}
}
if v, ok := item.Schema.Extensions[common.ExtensionV2Schema]; ok {
if v2Schema, isOpenAPISchema := v.(spec.Schema); isOpenAPISchema {
schema = v2Schema
}
}
o.swagger.Definitions[uniqueName] = schema
for _, v := range item.Dependencies {
if err := o.buildDefinitionRecursively(v); err != nil {
@@ -270,7 +273,7 @@ func (o *openAPI) buildOperations(route restful.Route, inPathCommonParamsMap map
},
}
for k, v := range route.Metadata {
if strings.HasPrefix(k, extensionPrefix) {
if strings.HasPrefix(k, common.ExtensionPrefix) {
if ret.Extensions == nil {
ret.Extensions = spec.Extensions{}
}

View File

@@ -24,6 +24,12 @@ import (
"github.com/go-openapi/spec"
)
const (
// TODO: Make this configurable.
ExtensionPrefix = "x-kubernetes-"
ExtensionV2Schema = ExtensionPrefix + "v2-schema"
)
// OpenAPIDefinition describes single type. Normally these definitions are auto-generated using gen-openapi.
type OpenAPIDefinition struct {
Schema spec.Schema
@@ -43,6 +49,10 @@ type OpenAPIDefinitionGetter interface {
OpenAPIDefinition() *OpenAPIDefinition
}
type OpenAPIV3DefinitionGetter interface {
OpenAPIV3Definition() *OpenAPIDefinition
}
type PathHandler interface {
Handle(path string, handler http.Handler)
}
@@ -172,3 +182,11 @@ func EscapeJsonPointer(p string) string {
p = strings.Replace(p, "/", "~1", -1)
return p
}
func EmbedOpenAPIDefinitionIntoV2Extension(main OpenAPIDefinition, embedded OpenAPIDefinition) OpenAPIDefinition {
if main.Schema.Extensions == nil {
main.Schema.Extensions = make(map[string]interface{})
}
main.Schema.Extensions[ExtensionV2Schema] = embedded.Schema
return main
}

View File

@@ -139,6 +139,7 @@ func newAPILinter() *apiLinter {
rules: []APIRule{
&rules.NamesMatch{},
&rules.OmitEmptyMatchCase{},
&rules.ListTypeMissing{},
},
}
}

View File

@@ -32,6 +32,7 @@ type extensionAttributes struct {
xName string
kind types.Kind
allowedValues sets.String
enforceArray bool
}
// Extension tag to openapi extension attributes
@@ -46,8 +47,9 @@ var tagToExtension = map[string]extensionAttributes{
allowedValues: sets.NewString("merge", "retainKeys"),
},
"listMapKey": {
xName: "x-kubernetes-list-map-keys",
kind: types.Slice,
xName: "x-kubernetes-list-map-keys",
kind: types.Slice,
enforceArray: true,
},
"listType": {
xName: "x-kubernetes-list-type",
@@ -113,6 +115,10 @@ func (e extension) hasMultipleValues() bool {
return len(e.values) > 1
}
func (e extension) isAlwaysArrayFormat() bool {
return tagToExtension[e.idlTag].enforceArray
}
// Returns sorted list of map keys. Needed for deterministic testing.
func sortedMapKeys(m map[string][]string) []string {
keys := make([]string, len(m))

View File

@@ -171,7 +171,7 @@ func (g *openAPIGen) Init(c *generator.Context, w io.Writer) error {
sw.Do("return map[string]$.OpenAPIDefinition|raw${\n", argsFromType(nil))
for _, t := range c.Order {
err := newOpenAPITypeWriter(sw).generateCall(t)
err := newOpenAPITypeWriter(sw, c).generateCall(t)
if err != nil {
return err
}
@@ -186,7 +186,7 @@ func (g *openAPIGen) Init(c *generator.Context, w io.Writer) error {
func (g *openAPIGen) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
klog.V(5).Infof("generating for type %v", t)
sw := generator.NewSnippetWriter(w, c, "$", "$")
err := newOpenAPITypeWriter(sw).generate(t)
err := newOpenAPITypeWriter(sw, c).generate(t)
if err != nil {
return err
}
@@ -221,13 +221,15 @@ func shouldInlineMembers(m *types.Member) bool {
type openAPITypeWriter struct {
*generator.SnippetWriter
context *generator.Context
refTypes map[string]*types.Type
GetDefinitionInterface *types.Type
}
func newOpenAPITypeWriter(sw *generator.SnippetWriter) openAPITypeWriter {
func newOpenAPITypeWriter(sw *generator.SnippetWriter, c *generator.Context) openAPITypeWriter {
return openAPITypeWriter{
SnippetWriter: sw,
context: c,
refTypes: map[string]*types.Type{},
}
}
@@ -240,6 +242,16 @@ func methodReturnsValue(mt *types.Type, pkg, name string) bool {
return r.Name.Name == name && r.Name.Package == pkg
}
func hasOpenAPIV3DefinitionMethod(t *types.Type) bool {
for mn, mt := range t.Methods {
if mn != "OpenAPIV3Definition" {
continue
}
return methodReturnsValue(mt, openAPICommonPackagePath, "OpenAPIDefinition")
}
return false
}
func hasOpenAPIDefinitionMethod(t *types.Type) bool {
for mn, mt := range t.Methods {
if mn != "OpenAPIDefinition" {
@@ -302,9 +314,21 @@ func (g openAPITypeWriter) generateCall(t *types.Type) error {
case types.Struct:
args := argsFromType(t)
g.Do("\"$.$\": ", t.Name)
if hasOpenAPIDefinitionMethod(t) {
hasV2Definition := hasOpenAPIDefinitionMethod(t)
hasV2DefinitionTypeAndFormat := hasOpenAPIDefinitionMethods(t)
hasV3Definition := hasOpenAPIV3DefinitionMethod(t)
switch {
case hasV2DefinitionTypeAndFormat:
g.Do(nameTmpl+"(ref),\n", args)
case hasV2Definition && hasV3Definition:
g.Do("common.EmbedOpenAPIDefinitionIntoV2Extension($.type|raw${}.OpenAPIV3Definition(), $.type|raw${}.OpenAPIDefinition()),\n", args)
case hasV2Definition:
g.Do("$.type|raw${}.OpenAPIDefinition(),\n", args)
} else {
case hasV3Definition:
g.Do("$.type|raw${}.OpenAPIV3Definition(),\n", args)
default:
g.Do(nameTmpl+"(ref),\n", args)
}
}
@@ -315,14 +339,30 @@ func (g openAPITypeWriter) generate(t *types.Type) error {
// Only generate for struct type and ignore the rest
switch t.Kind {
case types.Struct:
if hasOpenAPIDefinitionMethod(t) {
hasV2Definition := hasOpenAPIDefinitionMethod(t)
hasV2DefinitionTypeAndFormat := hasOpenAPIDefinitionMethods(t)
hasV3Definition := hasOpenAPIV3DefinitionMethod(t)
if hasV2Definition || (hasV3Definition && !hasV2DefinitionTypeAndFormat) {
// already invoked directly
return nil
}
args := argsFromType(t)
g.Do("func "+nameTmpl+"(ref $.ReferenceCallback|raw$) $.OpenAPIDefinition|raw$ {\n", args)
if hasOpenAPIDefinitionMethods(t) {
switch {
case hasV2DefinitionTypeAndFormat && hasV3Definition:
g.Do("return common.EmbedOpenAPIDefinitionIntoV2Extension($.type|raw${}.OpenAPIV3Definition(), $.OpenAPIDefinition|raw${\n"+
"Schema: spec.Schema{\n"+
"SchemaProps: spec.SchemaProps{\n", args)
g.generateDescription(t.CommentLines)
g.Do("Type:$.type|raw${}.OpenAPISchemaType(),\n"+
"Format:$.type|raw${}.OpenAPISchemaFormat(),\n"+
"},\n"+
"},\n"+
"})\n}\n\n", args)
return nil
case hasV2DefinitionTypeAndFormat:
g.Do("return $.OpenAPIDefinition|raw${\n"+
"Schema: spec.Schema{\n"+
"SchemaProps: spec.SchemaProps{\n", args)
@@ -336,12 +376,23 @@ func (g openAPITypeWriter) generate(t *types.Type) error {
}
g.Do("return $.OpenAPIDefinition|raw${\nSchema: spec.Schema{\nSchemaProps: spec.SchemaProps{\n", args)
g.generateDescription(t.CommentLines)
g.Do("Properties: map[string]$.SpecSchemaType|raw${\n", args)
required, err := g.generateMembers(t, []string{})
g.Do("Type: []string{\"object\"},\n", nil)
// write members into a temporary buffer, in order to postpone writing out the Properties field. We only do
// that if it is not empty.
propertiesBuf := bytes.Buffer{}
bsw := g
bsw.SnippetWriter = generator.NewSnippetWriter(&propertiesBuf, g.context, "$", "$")
required, err := bsw.generateMembers(t, []string{})
if err != nil {
return err
}
g.Do("},\n", nil)
if propertiesBuf.Len() > 0 {
g.Do("Properties: map[string]$.SpecSchemaType|raw${\n", args)
g.Do(strings.Replace(propertiesBuf.String(), "$", "$\"$\"$", -1), nil) // escape $ (used as delimiter of the templates)
g.Do("},\n", nil)
}
if len(required) > 0 {
g.Do("Required: []string{\"$.$\"},\n", strings.Join(required, "\",\""))
}
@@ -350,13 +401,14 @@ func (g openAPITypeWriter) generate(t *types.Type) error {
return err
}
g.Do("},\n", nil)
g.Do("Dependencies: []string{\n", args)
// Map order is undefined, sort them or we may get a different file generated each time.
keys := []string{}
for k := range g.refTypes {
keys = append(keys, k)
}
sort.Strings(keys)
deps := []string{}
for _, k := range keys {
v := g.refTypes[k]
if t, _ := openapi.GetOpenAPITypeFormat(v.String()); t != "" {
@@ -364,9 +416,16 @@ func (g openAPITypeWriter) generate(t *types.Type) error {
// Will eliminate special case of time.Time
continue
}
g.Do("\"$.$\",", k)
deps = append(deps, k)
}
g.Do("},\n}\n}\n\n", nil)
if len(deps) > 0 {
g.Do("Dependencies: []string{\n", args)
for _, k := range deps {
g.Do("\"$.$\",", k)
}
g.Do("},\n", nil)
}
g.Do("}\n}\n\n", nil)
}
return nil
}
@@ -376,11 +435,18 @@ func (g openAPITypeWriter) generateStructExtensions(t *types.Type) error {
// Initially, we will only log struct extension errors.
if len(errors) > 0 {
for _, e := range errors {
klog.V(2).Infof("[%s]: %s\n", t.String(), e)
klog.Errorf("[%s]: %s\n", t.String(), e)
}
}
unions, errors := parseUnions(t)
if len(errors) > 0 {
for _, e := range errors {
klog.Errorf("[%s]: %s\n", t.String(), e)
}
}
// TODO(seans3): Validate struct extensions here.
g.emitExtensions(extensions)
g.emitExtensions(extensions, unions)
return nil
}
@@ -395,28 +461,35 @@ func (g openAPITypeWriter) generateMemberExtensions(m *types.Member, parent *typ
klog.V(2).Infof("%s %s\n", errorPrefix, e)
}
}
g.emitExtensions(extensions)
g.emitExtensions(extensions, nil)
return nil
}
func (g openAPITypeWriter) emitExtensions(extensions []extension) {
func (g openAPITypeWriter) emitExtensions(extensions []extension, unions []union) {
// If any extensions exist, then emit code to create them.
if len(extensions) == 0 {
if len(extensions) == 0 && len(unions) == 0 {
return
}
g.Do("VendorExtensible: spec.VendorExtensible{\nExtensions: spec.Extensions{\n", nil)
for _, extension := range extensions {
g.Do("\"$.$\": ", extension.xName)
if extension.hasMultipleValues() {
g.Do("[]string{\n", nil)
if extension.hasMultipleValues() || extension.isAlwaysArrayFormat() {
g.Do("[]interface{}{\n", nil)
}
for _, value := range extension.values {
g.Do("\"$.$\",\n", value)
}
if extension.hasMultipleValues() {
if extension.hasMultipleValues() || extension.isAlwaysArrayFormat() {
g.Do("},\n", nil)
}
}
if len(unions) > 0 {
g.Do("\"x-kubernetes-unions\": []interface{}{\n", nil)
for _, u := range unions {
u.emit(g)
}
g.Do("},\n", nil)
}
g.Do("},\n},\n", nil)
}
@@ -561,7 +634,7 @@ func (g openAPITypeWriter) generateMapProperty(t *types.Type) error {
return fmt.Errorf("map with non-string keys are not supported by OpenAPI in %v", t)
}
g.Do("Type: []string{\"object\"},\n", nil)
g.Do("AdditionalProperties: &spec.SchemaOrBool{\nSchema: &spec.Schema{\nSchemaProps: spec.SchemaProps{\n", nil)
g.Do("AdditionalProperties: &spec.SchemaOrBool{\nAllows: true,\nSchema: &spec.Schema{\nSchemaProps: spec.SchemaProps{\n", nil)
typeString, format := openapi.GetOpenAPITypeFormat(elemType.String())
if typeString != "" {
g.generateSimpleProperty(typeString, format)
@@ -574,7 +647,13 @@ func (g openAPITypeWriter) generateMapProperty(t *types.Type) error {
case types.Struct:
g.generateReferenceProperty(elemType)
case types.Slice, types.Array:
g.generateSliceProperty(elemType)
if err := g.generateSliceProperty(elemType); err != nil {
return err
}
case types.Map:
if err := g.generateMapProperty(elemType); err != nil {
return err
}
default:
return fmt.Errorf("map Element kind %v is not supported in %v", elemType.Kind, t.Name)
}
@@ -598,7 +677,13 @@ func (g openAPITypeWriter) generateSliceProperty(t *types.Type) error {
case types.Struct:
g.generateReferenceProperty(elemType)
case types.Slice, types.Array:
g.generateSliceProperty(elemType)
if err := g.generateSliceProperty(elemType); err != nil {
return err
}
case types.Map:
if err := g.generateMapProperty(elemType); err != nil {
return err
}
default:
return fmt.Errorf("slice Element kind %v is not supported in %v", elemType.Kind, t)
}

View File

@@ -0,0 +1,36 @@
package rules
import (
"k8s.io/gengo/types"
)
const ListTypeIDLTag = "listType"
// ListTypeMissing implements APIRule interface.
// A list type is required for inlined list.
type ListTypeMissing struct{}
// Name returns the name of APIRule
func (l *ListTypeMissing) Name() string {
return "list_type_missing"
}
// Validate evaluates API rule on type t and returns a list of field names in
// the type that violate the rule. Empty field name [""] implies the entire
// type violates the rule.
func (l *ListTypeMissing) Validate(t *types.Type) ([]string, error) {
fields := make([]string, 0)
switch t.Kind {
case types.Struct:
for _, m := range t.Members {
if m.Type.Kind == types.Slice && types.ExtractCommentTags("+", m.CommentLines)[ListTypeIDLTag] == nil {
fields = append(fields, m.Name)
continue
}
}
}
return fields, nil
}

207
vendor/k8s.io/kube-openapi/pkg/generators/union.go generated vendored Normal file
View File

@@ -0,0 +1,207 @@
/*
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 generators
import (
"fmt"
"sort"
"k8s.io/gengo/types"
)
const tagUnionMember = "union"
const tagUnionDeprecated = "unionDeprecated"
const tagUnionDiscriminator = "unionDiscriminator"
type union struct {
discriminator string
fieldsToDiscriminated map[string]string
}
// emit prints the union, can be called on a nil union (emits nothing)
func (u *union) emit(g openAPITypeWriter) {
if u == nil {
return
}
g.Do("map[string]interface{}{\n", nil)
if u.discriminator != "" {
g.Do("\"discriminator\": \"$.$\",\n", u.discriminator)
}
g.Do("\"fields-to-discriminateBy\": map[string]interface{}{\n", nil)
keys := []string{}
for field := range u.fieldsToDiscriminated {
keys = append(keys, field)
}
sort.Strings(keys)
for _, field := range keys {
g.Do("\"$.$\": ", field)
g.Do("\"$.$\",\n", u.fieldsToDiscriminated[field])
}
g.Do("},\n", nil)
g.Do("},\n", nil)
}
// Sets the discriminator if it's not set yet, otherwise return an error
func (u *union) setDiscriminator(value string) []error {
errors := []error{}
if u.discriminator != "" {
errors = append(errors, fmt.Errorf("at least two discriminators found: %v and %v", value, u.discriminator))
}
u.discriminator = value
return errors
}
// Add a new member to the union
func (u *union) addMember(jsonName, variableName string) {
if _, ok := u.fieldsToDiscriminated[jsonName]; ok {
panic(fmt.Errorf("same field (%v) found multiple times", jsonName))
}
u.fieldsToDiscriminated[jsonName] = variableName
}
// Makes sure that the union is valid, specifically looking for re-used discriminated
func (u *union) isValid() []error {
errors := []error{}
// Case 1: discriminator but no fields
if u.discriminator != "" && len(u.fieldsToDiscriminated) == 0 {
errors = append(errors, fmt.Errorf("discriminator set with no fields in union"))
}
// Case 2: two fields have the same discriminated value
discriminated := map[string]struct{}{}
for _, d := range u.fieldsToDiscriminated {
if _, ok := discriminated[d]; ok {
errors = append(errors, fmt.Errorf("discriminated value is used twice: %v", d))
}
discriminated[d] = struct{}{}
}
// Case 3: a field is both discriminator AND part of the union
if u.discriminator != "" {
if _, ok := u.fieldsToDiscriminated[u.discriminator]; ok {
errors = append(errors, fmt.Errorf("%v can't be both discriminator and part of the union", u.discriminator))
}
}
return errors
}
// Find unions either directly on the members (or inlined members, not
// going across types) or on the type itself, or on embedded types.
func parseUnions(t *types.Type) ([]union, []error) {
errors := []error{}
unions := []union{}
su, err := parseUnionStruct(t)
if su != nil {
unions = append(unions, *su)
}
errors = append(errors, err...)
eu, err := parseEmbeddedUnion(t)
unions = append(unions, eu...)
errors = append(errors, err...)
mu, err := parseUnionMembers(t)
if mu != nil {
unions = append(unions, *mu)
}
errors = append(errors, err...)
return unions, errors
}
// Find unions in embedded types, unions shouldn't go across types.
func parseEmbeddedUnion(t *types.Type) ([]union, []error) {
errors := []error{}
unions := []union{}
for _, m := range t.Members {
if hasOpenAPITagValue(m.CommentLines, tagValueFalse) {
continue
}
if !shouldInlineMembers(&m) {
continue
}
u, err := parseUnions(m.Type)
unions = append(unions, u...)
errors = append(errors, err...)
}
return unions, errors
}
// Look for union tag on a struct, and then include all the fields
// (except the discriminator if there is one). The struct shouldn't have
// embedded types.
func parseUnionStruct(t *types.Type) (*union, []error) {
errors := []error{}
if types.ExtractCommentTags("+", t.CommentLines)[tagUnionMember] == nil {
return nil, nil
}
u := &union{fieldsToDiscriminated: map[string]string{}}
for _, m := range t.Members {
jsonName := getReferableName(&m)
if jsonName == "" {
continue
}
if shouldInlineMembers(&m) {
errors = append(errors, fmt.Errorf("union structures can't have embedded fields: %v.%v", t.Name, m.Name))
continue
}
if types.ExtractCommentTags("+", m.CommentLines)[tagUnionDeprecated] != nil {
errors = append(errors, fmt.Errorf("union struct can't have unionDeprecated members: %v.%v", t.Name, m.Name))
continue
}
if types.ExtractCommentTags("+", m.CommentLines)[tagUnionDiscriminator] != nil {
errors = append(errors, u.setDiscriminator(jsonName)...)
} else {
if !hasOptionalTag(&m) {
errors = append(errors, fmt.Errorf("union members must be optional: %v.%v", t.Name, m.Name))
}
u.addMember(jsonName, m.Name)
}
}
return u, errors
}
// Find unions specifically on members.
func parseUnionMembers(t *types.Type) (*union, []error) {
errors := []error{}
u := &union{fieldsToDiscriminated: map[string]string{}}
for _, m := range t.Members {
jsonName := getReferableName(&m)
if jsonName == "" {
continue
}
if shouldInlineMembers(&m) {
continue
}
if types.ExtractCommentTags("+", m.CommentLines)[tagUnionDiscriminator] != nil {
errors = append(errors, u.setDiscriminator(jsonName)...)
}
if types.ExtractCommentTags("+", m.CommentLines)[tagUnionMember] != nil {
errors = append(errors, fmt.Errorf("union tag is not accepted on struct members: %v.%v", t.Name, m.Name))
continue
}
if types.ExtractCommentTags("+", m.CommentLines)[tagUnionDeprecated] != nil {
if !hasOptionalTag(&m) {
errors = append(errors, fmt.Errorf("union members must be optional: %v.%v", t.Name, m.Name))
}
u.addMember(jsonName, m.Name)
}
}
if len(u.fieldsToDiscriminated) == 0 {
return nil, nil
}
return u, append(errors, u.isValid()...)
}

View File

@@ -20,24 +20,21 @@ import (
"bytes"
"compress/gzip"
"crypto/sha512"
"encoding/json"
"fmt"
"mime"
"net/http"
"strings"
"sync"
"time"
"bitbucket.org/ww/goautoneg"
yaml "gopkg.in/yaml.v2"
"github.com/NYTimes/gziphandler"
restful "github.com/emicklei/go-restful"
"github.com/emicklei/go-restful"
"github.com/go-openapi/spec"
"github.com/golang/protobuf/proto"
openapi_v2 "github.com/googleapis/gnostic/OpenAPIv2"
"github.com/googleapis/gnostic/OpenAPIv2"
"github.com/googleapis/gnostic/compiler"
"github.com/json-iterator/go"
"github.com/munnerz/goautoneg"
"gopkg.in/yaml.v2"
"k8s.io/kube-openapi/pkg/builder"
"k8s.io/kube-openapi/pkg/common"
@@ -79,66 +76,13 @@ func computeETag(data []byte) string {
return fmt.Sprintf("\"%X\"", sha512.Sum512(data))
}
// 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.
//
// BuildAndRegisterOpenAPIService builds the spec and registers a handler to provide access to it.
// Use this method if your OpenAPI spec is static. If you want to update the spec, use BuildOpenAPISpec then RegisterOpenAPIService.
func BuildAndRegisterOpenAPIService(servePath string, webServices []*restful.WebService, config *common.Config, handler common.PathHandler) (*OpenAPIService, error) {
spec, err := builder.BuildOpenAPISpec(webServices, config)
if err != nil {
// NewOpenAPIService builds an OpenAPIService starting with the given spec.
func NewOpenAPIService(spec *spec.Swagger) (*OpenAPIService, error) {
o := &OpenAPIService{}
if err := o.UpdateSpec(spec); err != nil {
return nil, err
}
return RegisterOpenAPIService(spec, servePath, handler)
}
// 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.
//
// RegisterOpenAPIService registers a handler to provide access to provided swagger spec.
// Note: servePath should end with ".json" as the RegisterOpenAPIService assume it is serving a
// json file and will also serve .pb and .gz files.
func RegisterOpenAPIService(openapiSpec *spec.Swagger, servePath string, handler common.PathHandler) (*OpenAPIService, error) {
if !strings.HasSuffix(servePath, jsonExt) {
return nil, fmt.Errorf("serving path must end with \"%s\"", jsonExt)
}
servePathBase := strings.TrimSuffix(servePath, jsonExt)
o := OpenAPIService{}
if err := o.UpdateSpec(openapiSpec); err != nil {
return nil, err
}
type fileInfo struct {
ext string
getDataAndETag func() ([]byte, string, time.Time)
}
files := []fileInfo{
{".json", o.getSwaggerBytes},
{"-2.0.0.json", o.getSwaggerBytes},
{"-2.0.0.pb-v1", o.getSwaggerPbBytes},
{"-2.0.0.pb-v1.gz", o.getSwaggerPbGzBytes},
}
for _, file := range files {
path := servePathBase + file.ext
getDataAndETag := file.getDataAndETag
handler.Handle(path, gziphandler.GzipHandler(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
data, etag, lastModified := getDataAndETag()
w.Header().Set("Etag", etag)
// ServeContent will take care of caching using eTag.
http.ServeContent(w, r, path, lastModified, bytes.NewReader(data))
}),
))
}
return &o, nil
return o, nil
}
func (o *OpenAPIService) getSwaggerBytes() ([]byte, string, time.Time) {
@@ -160,11 +104,15 @@ func (o *OpenAPIService) getSwaggerPbGzBytes() ([]byte, string, time.Time) {
}
func (o *OpenAPIService) UpdateSpec(openapiSpec *spec.Swagger) (err error) {
specBytes, err := json.MarshalIndent(openapiSpec, " ", " ")
specBytes, err := jsoniter.ConfigCompatibleWithStandardLibrary.Marshal(openapiSpec)
if err != nil {
return err
}
specPb, err := toProtoBinary(specBytes)
var json map[string]interface{}
if err := jsoniter.ConfigCompatibleWithStandardLibrary.Unmarshal(specBytes, &json); err != nil {
return err
}
specPb, err := ToProtoBinary(json)
if err != nil {
return err
}
@@ -190,13 +138,50 @@ func (o *OpenAPIService) UpdateSpec(openapiSpec *spec.Swagger) (err error) {
return nil
}
func toProtoBinary(spec []byte) ([]byte, error) {
var info yaml.MapSlice
err := yaml.Unmarshal(spec, &info)
if err != nil {
return nil, err
func jsonToYAML(j map[string]interface{}) yaml.MapSlice {
if j == nil {
return nil
}
document, err := openapi_v2.NewDocument(info, compiler.NewContext("$root", nil))
ret := make(yaml.MapSlice, 0, len(j))
for k, v := range j {
ret = append(ret, yaml.MapItem{k, jsonToYAMLValue(v)})
}
return ret
}
func jsonToYAMLValue(j interface{}) interface{} {
switch j := j.(type) {
case map[string]interface{}:
return jsonToYAML(j)
case []interface{}:
ret := make([]interface{}, len(j))
for i := range j {
ret[i] = jsonToYAMLValue(j[i])
}
return ret
case float64:
// replicate the logic in https://github.com/go-yaml/yaml/blob/51d6538a90f86fe93ac480b35f37b2be17fef232/resolve.go#L151
if i64 := int64(j); j == float64(i64) {
if i := int(i64); i64 == int64(i) {
return i
}
return i64
}
if ui64 := uint64(j); j == float64(ui64) {
return ui64
}
return j
case int64:
if i := int(j); j == int64(i) {
return i
}
return j
}
return j
}
func ToProtoBinary(json map[string]interface{}) ([]byte, error) {
document, err := openapi_v2.NewDocument(jsonToYAML(json), compiler.NewContext("$root", nil))
if err != nil {
return nil, err
}
@@ -212,12 +197,18 @@ func toGzip(data []byte) []byte {
}
// RegisterOpenAPIVersionedService registers a handler to provide access to provided swagger spec.
func RegisterOpenAPIVersionedService(openapiSpec *spec.Swagger, servePath string, handler common.PathHandler) (*OpenAPIService, error) {
o := OpenAPIService{}
if err := o.UpdateSpec(openapiSpec); err != nil {
//
// Deprecated: use OpenAPIService.RegisterOpenAPIVersionedService instead.
func RegisterOpenAPIVersionedService(spec *spec.Swagger, servePath string, handler common.PathHandler) (*OpenAPIService, error) {
o, err := NewOpenAPIService(spec)
if err != nil {
return nil, err
}
return o, o.RegisterOpenAPIVersionedService(servePath, handler)
}
// RegisterOpenAPIVersionedService registers a handler to provide access to provided swagger spec.
func (o *OpenAPIService) RegisterOpenAPIVersionedService(servePath string, handler common.PathHandler) error {
accepted := []struct {
Type string
SubType string
@@ -258,7 +249,7 @@ func RegisterOpenAPIVersionedService(openapiSpec *spec.Swagger, servePath string
}),
))
return &o, nil
return nil
}
// BuildAndRegisterOpenAPIVersionedService builds the spec and registers a handler to provide access to it.
@@ -268,5 +259,9 @@ func BuildAndRegisterOpenAPIVersionedService(servePath string, webServices []*re
if err != nil {
return nil, err
}
return RegisterOpenAPIVersionedService(spec, servePath, handler)
o, err := NewOpenAPIService(spec)
if err != nil {
return nil, err
}
return o, o.RegisterOpenAPIVersionedService(servePath, handler)
}

430
vendor/k8s.io/kube-openapi/pkg/schemaconv/smd.go generated vendored Normal file
View File

@@ -0,0 +1,430 @@
/*
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 schemaconv
import (
"errors"
"fmt"
"path"
"sort"
"strings"
"k8s.io/kube-openapi/pkg/util/proto"
"sigs.k8s.io/structured-merge-diff/schema"
)
// ToSchema converts openapi definitions into a schema suitable for structured
// merge (i.e. kubectl apply v2).
func ToSchema(models proto.Models) (*schema.Schema, error) {
return ToSchemaWithPreserveUnknownFields(models, false)
}
// ToSchemaWithPreserveUnknownFields converts openapi definitions into a schema suitable for structured
// merge (i.e. kubectl apply v2), it will preserve unknown fields if specified.
func ToSchemaWithPreserveUnknownFields(models proto.Models, preserveUnknownFields bool) (*schema.Schema, error) {
c := convert{
input: models,
preserveUnknownFields: preserveUnknownFields,
output: &schema.Schema{},
}
if err := c.convertAll(); err != nil {
return nil, err
}
c.addCommonTypes()
return c.output, nil
}
type convert struct {
input proto.Models
preserveUnknownFields bool
output *schema.Schema
currentName string
current *schema.Atom
errorMessages []string
}
func (c *convert) push(name string, a *schema.Atom) *convert {
return &convert{
input: c.input,
preserveUnknownFields: c.preserveUnknownFields,
output: c.output,
currentName: name,
current: a,
}
}
func (c *convert) top() *schema.Atom { return c.current }
func (c *convert) pop(c2 *convert) {
c.errorMessages = append(c.errorMessages, c2.errorMessages...)
}
func (c *convert) convertAll() error {
for _, name := range c.input.ListModels() {
model := c.input.LookupModel(name)
c.insertTypeDef(name, model)
}
if len(c.errorMessages) > 0 {
return errors.New(strings.Join(c.errorMessages, "\n"))
}
return nil
}
func (c *convert) reportError(format string, args ...interface{}) {
c.errorMessages = append(c.errorMessages,
c.currentName+": "+fmt.Sprintf(format, args...),
)
}
func (c *convert) insertTypeDef(name string, model proto.Schema) {
def := schema.TypeDef{
Name: name,
}
c2 := c.push(name, &def.Atom)
model.Accept(c2)
c.pop(c2)
if def.Atom == (schema.Atom{}) {
// This could happen if there were a top-level reference.
return
}
c.output.Types = append(c.output.Types, def)
}
func (c *convert) addCommonTypes() {
c.output.Types = append(c.output.Types, untypedDef)
c.output.Types = append(c.output.Types, deducedDef)
}
var untypedName string = "__untyped_atomic_"
var untypedDef schema.TypeDef = schema.TypeDef{
Name: untypedName,
Atom: schema.Atom{
Scalar: ptr(schema.Scalar("untyped")),
List: &schema.List{
ElementType: schema.TypeRef{
NamedType: &untypedName,
},
ElementRelationship: schema.Atomic,
},
Map: &schema.Map{
ElementType: schema.TypeRef{
NamedType: &untypedName,
},
ElementRelationship: schema.Atomic,
},
},
}
var deducedName string = "__untyped_deduced_"
var deducedDef schema.TypeDef = schema.TypeDef{
Name: deducedName,
Atom: schema.Atom{
Scalar: ptr(schema.Scalar("untyped")),
List: &schema.List{
ElementType: schema.TypeRef{
NamedType: &untypedName,
},
ElementRelationship: schema.Atomic,
},
Map: &schema.Map{
ElementType: schema.TypeRef{
NamedType: &deducedName,
},
ElementRelationship: schema.Separable,
},
},
}
func (c *convert) makeRef(model proto.Schema, preserveUnknownFields bool) schema.TypeRef {
var tr schema.TypeRef
if r, ok := model.(*proto.Ref); ok {
if r.Reference() == "io.k8s.apimachinery.pkg.runtime.RawExtension" {
return schema.TypeRef{
NamedType: &untypedName,
}
}
// reference a named type
_, n := path.Split(r.Reference())
tr.NamedType = &n
} else {
// compute the type inline
c2 := c.push("inlined in "+c.currentName, &tr.Inlined)
c2.preserveUnknownFields = preserveUnknownFields
model.Accept(c2)
c.pop(c2)
if tr == (schema.TypeRef{}) {
// emit warning?
tr.NamedType = &untypedName
}
}
return tr
}
func makeUnions(extensions map[string]interface{}) ([]schema.Union, error) {
schemaUnions := []schema.Union{}
if iunions, ok := extensions["x-kubernetes-unions"]; ok {
unions, ok := iunions.([]interface{})
if !ok {
return nil, fmt.Errorf(`"x-kubernetes-unions" should be a list, got %#v`, unions)
}
for _, iunion := range unions {
union, ok := iunion.(map[interface{}]interface{})
if !ok {
return nil, fmt.Errorf(`"x-kubernetes-unions" items should be a map of string to unions, got %#v`, iunion)
}
unionMap := map[string]interface{}{}
for k, v := range union {
key, ok := k.(string)
if !ok {
return nil, fmt.Errorf(`"x-kubernetes-unions" has non-string key: %#v`, k)
}
unionMap[key] = v
}
schemaUnion, err := makeUnion(unionMap)
if err != nil {
return nil, err
}
schemaUnions = append(schemaUnions, schemaUnion)
}
}
// Make sure we have no overlap between unions
fs := map[string]struct{}{}
for _, u := range schemaUnions {
if u.Discriminator != nil {
if _, ok := fs[*u.Discriminator]; ok {
return nil, fmt.Errorf("%v field appears multiple times in unions", *u.Discriminator)
}
fs[*u.Discriminator] = struct{}{}
}
for _, f := range u.Fields {
if _, ok := fs[f.FieldName]; ok {
return nil, fmt.Errorf("%v field appears multiple times in unions", f.FieldName)
}
fs[f.FieldName] = struct{}{}
}
}
return schemaUnions, nil
}
func makeUnion(extensions map[string]interface{}) (schema.Union, error) {
union := schema.Union{
Fields: []schema.UnionField{},
}
if idiscriminator, ok := extensions["discriminator"]; ok {
discriminator, ok := idiscriminator.(string)
if !ok {
return schema.Union{}, fmt.Errorf(`"discriminator" must be a string, got: %#v`, idiscriminator)
}
union.Discriminator = &discriminator
}
if ifields, ok := extensions["fields-to-discriminateBy"]; ok {
fields, ok := ifields.(map[interface{}]interface{})
if !ok {
return schema.Union{}, fmt.Errorf(`"fields-to-discriminateBy" must be a map[string]string, got: %#v`, ifields)
}
// Needs sorted keys by field.
keys := []string{}
for ifield := range fields {
field, ok := ifield.(string)
if !ok {
return schema.Union{}, fmt.Errorf(`"fields-to-discriminateBy": field must be a string, got: %#v`, ifield)
}
keys = append(keys, field)
}
sort.Strings(keys)
reverseMap := map[string]struct{}{}
for _, field := range keys {
value := fields[field]
discriminated, ok := value.(string)
if !ok {
return schema.Union{}, fmt.Errorf(`"fields-to-discriminateBy"/%v: value must be a string, got: %#v`, field, value)
}
union.Fields = append(union.Fields, schema.UnionField{
FieldName: field,
DiscriminatorValue: discriminated,
})
// Check that we don't have the same discriminateBy multiple times.
if _, ok := reverseMap[discriminated]; ok {
return schema.Union{}, fmt.Errorf("Multiple fields have the same discriminated name: %v", discriminated)
}
reverseMap[discriminated] = struct{}{}
}
}
if union.Discriminator != nil && len(union.Fields) == 0 {
return schema.Union{}, fmt.Errorf("discriminator set to %v, but no fields in union", *union.Discriminator)
}
return union, nil
}
func (c *convert) VisitKind(k *proto.Kind) {
preserveUnknownFields := c.preserveUnknownFields
if p, ok := k.GetExtensions()["x-kubernetes-preserve-unknown-fields"]; ok && p == true {
preserveUnknownFields = true
}
a := c.top()
a.Map = &schema.Map{}
for _, name := range k.FieldOrder {
member := k.Fields[name]
tr := c.makeRef(member, preserveUnknownFields)
a.Map.Fields = append(a.Map.Fields, schema.StructField{
Name: name,
Type: tr,
})
}
unions, err := makeUnions(k.GetExtensions())
if err != nil {
c.reportError(err.Error())
return
}
// TODO: We should check that the fields and discriminator
// specified in the union are actual fields in the struct.
a.Map.Unions = unions
if preserveUnknownFields {
a.Map.ElementType = schema.TypeRef{
NamedType: &deducedName,
}
}
}
func toStringSlice(o interface{}) (out []string, ok bool) {
switch t := o.(type) {
case []interface{}:
for _, v := range t {
switch vt := v.(type) {
case string:
out = append(out, vt)
}
}
return out, true
}
return nil, false
}
func (c *convert) VisitArray(a *proto.Array) {
atom := c.top()
atom.List = &schema.List{
ElementRelationship: schema.Atomic,
}
l := atom.List
l.ElementType = c.makeRef(a.SubType, c.preserveUnknownFields)
ext := a.GetExtensions()
if val, ok := ext["x-kubernetes-list-type"]; ok {
if val == "atomic" {
l.ElementRelationship = schema.Atomic
} else if val == "set" {
l.ElementRelationship = schema.Associative
} else if val == "map" {
l.ElementRelationship = schema.Associative
if keys, ok := ext["x-kubernetes-list-map-keys"]; ok {
if keyNames, ok := toStringSlice(keys); ok {
l.Keys = keyNames
} else {
c.reportError("uninterpreted map keys: %#v", keys)
}
} else {
c.reportError("missing map keys")
}
} else {
c.reportError("unknown list type %v", val)
l.ElementRelationship = schema.Atomic
}
} else if val, ok := ext["x-kubernetes-patch-strategy"]; ok {
if val == "merge" || val == "merge,retainKeys" {
l.ElementRelationship = schema.Associative
if key, ok := ext["x-kubernetes-patch-merge-key"]; ok {
if keyName, ok := key.(string); ok {
l.Keys = []string{keyName}
} else {
c.reportError("uninterpreted merge key: %#v", key)
}
} else {
// It's not an error for this to be absent, it
// means it's a set.
}
} else if val == "retainKeys" {
} else {
c.reportError("unknown patch strategy %v", val)
l.ElementRelationship = schema.Atomic
}
}
}
func (c *convert) VisitMap(m *proto.Map) {
a := c.top()
a.Map = &schema.Map{}
a.Map.ElementType = c.makeRef(m.SubType, c.preserveUnknownFields)
// TODO: Get element relationship when we start putting it into the
// spec.
}
func ptr(s schema.Scalar) *schema.Scalar { return &s }
func (c *convert) VisitPrimitive(p *proto.Primitive) {
a := c.top()
switch p.Type {
case proto.Integer:
a.Scalar = ptr(schema.Numeric)
case proto.Number:
a.Scalar = ptr(schema.Numeric)
case proto.String:
switch p.Format {
case "":
a.Scalar = ptr(schema.String)
case "byte":
// byte really means []byte and is encoded as a string.
a.Scalar = ptr(schema.String)
case "int-or-string":
a.Scalar = ptr(schema.Scalar("untyped"))
case "date-time":
a.Scalar = ptr(schema.Scalar("untyped"))
default:
a.Scalar = ptr(schema.Scalar("untyped"))
}
case proto.Boolean:
a.Scalar = ptr(schema.Boolean)
default:
a.Scalar = ptr(schema.Scalar("untyped"))
}
}
func (c *convert) VisitArbitrary(a *proto.Arbitrary) {
*c.top() = untypedDef.Atom
if c.preserveUnknownFields {
*c.top() = deducedDef.Atom
}
}
func (c *convert) VisitReference(proto.Reference) {
// Do nothing, we handle references specially
}

2
vendor/k8s.io/kube-openapi/pkg/util/proto/OWNERS generated vendored Normal file
View File

@@ -0,0 +1,2 @@
approvers:
- apelisse

View File

@@ -92,13 +92,16 @@ func NewOpenAPIData(doc *openapi_v2.Document) (Models, error) {
// 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())
}
@@ -127,6 +130,7 @@ func (d *Definitions) parseMap(s *openapi_v2.Schema, path *Path) (Schema, error)
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),
@@ -157,6 +161,7 @@ func (d *Definitions) parsePrimitive(s *openapi_v2.Schema, path *Path) (Schema,
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)
}
@@ -175,6 +180,8 @@ func (d *Definitions) parseArray(s *openapi_v2.Schema, path *Path) (Schema, erro
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)
@@ -227,6 +234,8 @@ func (d *Definitions) parseArbitrary(s *openapi_v2.Schema, path *Path) (Schema,
// 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()
@@ -234,11 +243,15 @@ func (d *Definitions) ParseSchema(s *openapi_v2.Schema, path *Path) (Schema, err
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: what if it has additionalProperties or patternProperties?
// 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:
@@ -256,6 +269,8 @@ func (d *Definitions) ParseSchema(s *openapi_v2.Schema, path *Path) (Schema, err
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")
}
}

View File

@@ -21,14 +21,39 @@ import (
"strings"
)
// ToCanonicalName converts Golang package/type name into canonical OpenAPI name.
// Examples:
// [DEPRECATED] ToCanonicalName converts Golang package/type canonical name into REST friendly OpenAPI name.
// This method is deprecated because it has a misleading name. Please use ToRESTFriendlyName
// instead
//
// NOTE: actually the "canonical name" in this method should be named "REST friendly OpenAPI name",
// which is different from "canonical name" defined in GetCanonicalTypeName. The "canonical name" defined
// in GetCanonicalTypeName means Go type names with full package path.
//
// Examples of REST friendly OpenAPI name:
// Input: k8s.io/api/core/v1.Pod
// Output: io.k8s.api.core.v1.Pod
//
// Input: k8s.io/api/core/v1
// Output: io.k8s.api.core.v1
//
// Input: csi.storage.k8s.io/v1alpha1.CSINodeInfo
// Output: io.k8s.storage.csi.v1alpha1.CSINodeInfo
func ToCanonicalName(name string) string {
return ToRESTFriendlyName(name)
}
// ToRESTFriendlyName converts Golang package/type canonical name into REST friendly OpenAPI name.
//
// Examples of REST friendly OpenAPI name:
// Input: k8s.io/api/core/v1.Pod
// Output: io.k8s.api.core.v1.Pod
//
// Input: k8s.io/api/core/v1
// Output: io.k8s.api.core.v1
//
// Input: csi.storage.k8s.io/v1alpha1.CSINodeInfo
// Output: io.k8s.storage.csi.v1alpha1.CSINodeInfo
func ToRESTFriendlyName(name string) string {
nameParts := strings.Split(name, "/")
// Reverse first part. e.g., io.k8s... instead of k8s.io...
if len(nameParts) > 0 && strings.Contains(nameParts[0], ".") {
@@ -41,9 +66,30 @@ func ToCanonicalName(name string) string {
return strings.Join(nameParts, ".")
}
// OpenAPICanonicalTypeNamer is an interface for models without Go type to seed model name.
//
// OpenAPI canonical names are Go type names with full package path, for uniquely indentifying
// a model / Go type. If a Go type is vendored from another package, only the path after "/vendor/"
// should be used. For custom resource definition (CRD), the canonical name is expected to be
// group/version.kind
//
// Examples of canonical name:
// Go type: k8s.io/kubernetes/pkg/apis/core.Pod
// CRD: csi.storage.k8s.io/v1alpha1.CSINodeInfo
//
// Example for vendored Go type:
// Original full path: k8s.io/kubernetes/vendor/k8s.io/api/core/v1.Pod
// Canonical name: k8s.io/api/core/v1.Pod
type OpenAPICanonicalTypeNamer interface {
OpenAPICanonicalTypeName() string
}
// GetCanonicalTypeName will find the canonical type name of a sample object, removing
// the "vendor" part of the path
func GetCanonicalTypeName(model interface{}) string {
if namer, ok := model.(OpenAPICanonicalTypeNamer); ok {
return namer.OpenAPICanonicalTypeName()
}
t := reflect.TypeOf(model)
if t.Kind() == reflect.Ptr {
t = t.Elem()