mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-24 20:24:09 +00:00
Convert and construct OpenAPI v2 spec from CRD
validation OpenAPI v3 Schema
This commit is contained in:
Haowei Cai
parent
3222a7033c
commit
e0d4c65b53
@ -0,0 +1,371 @@
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/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package openapi
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import (
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"fmt"
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"strings"
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"github.com/go-openapi/spec"
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"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
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)
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// ResourceKind determines the scope of an API object: if it's the parent resource,
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// scale subresource or status subresource.
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type ResourceKind string
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const (
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// Resource specifies an object of custom resource kind
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Resource ResourceKind = "Resource"
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// Scale specifies an object of custom resource's scale subresource kind
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Scale ResourceKind = "Scale"
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// Status specifies an object of custom resource's status subresource kind
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Status ResourceKind = "Status"
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scaleSchemaRef = "#/definitions/io.k8s.api.autoscaling.v1.Scale"
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statusSchemaRef = "#/definitions/io.k8s.apimachinery.pkg.apis.meta.v1.Status"
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listMetaSchemaRef = "#/definitions/io.k8s.apimachinery.pkg.apis.meta.v1.ListMeta"
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patchSchemaRef = "#/definitions/io.k8s.apimachinery.pkg.apis.meta.v1.Patch"
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)
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// SwaggerConstructor takes in CRD OpenAPI schema and CustomResourceDefinitionSpec, and
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// constructs the OpenAPI swagger that an apiserver serves.
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type SwaggerConstructor struct {
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// schema is the CRD's OpenAPI v2 schema
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schema *spec.Schema
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status, scale bool
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group string
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version string
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kind string
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listKind string
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plural string
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scope apiextensions.ResourceScope
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}
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// NewSwaggerConstructor creates a new SwaggerConstructor using the CRD OpenAPI schema
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// and CustomResourceDefinitionSpec
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func NewSwaggerConstructor(schema *spec.Schema, crdSpec *apiextensions.CustomResourceDefinitionSpec, version string) (*SwaggerConstructor, error) {
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ret := &SwaggerConstructor{
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schema: schema,
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group: crdSpec.Group,
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version: version,
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kind: crdSpec.Names.Kind,
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listKind: crdSpec.Names.ListKind,
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plural: crdSpec.Names.Plural,
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scope: crdSpec.Scope,
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}
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sub, err := getSubresourcesForVersion(crdSpec, version)
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if err != nil {
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return nil, err
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}
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if sub != nil {
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ret.status = sub.Status != nil
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ret.scale = sub.Scale != nil
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}
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return ret, nil
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}
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// ConstructCRDOpenAPISpec constructs the complete OpenAPI swagger (spec).
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func (c *SwaggerConstructor) ConstructCRDOpenAPISpec() *spec.Swagger {
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basePath := fmt.Sprintf("/apis/%s/%s/%s", c.group, c.version, c.plural)
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if c.scope == apiextensions.NamespaceScoped {
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basePath = fmt.Sprintf("/apis/%s/%s/namespaces/{namespace}/%s", c.group, c.version, c.plural)
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}
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model := fmt.Sprintf("%s.%s.%s", c.group, c.version, c.kind)
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listModel := fmt.Sprintf("%s.%s.%s", c.group, c.version, c.listKind)
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var schema spec.Schema
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if c.schema != nil {
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schema = *c.schema
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}
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ret := &spec.Swagger{
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SwaggerProps: spec.SwaggerProps{
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Paths: &spec.Paths{
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Paths: map[string]spec.PathItem{
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basePath: {
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PathItemProps: spec.PathItemProps{
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Get: c.listOperation(),
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Post: c.createOperation(),
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Delete: c.deleteCollectionOperation(),
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Parameters: pathParameters(),
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},
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},
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fmt.Sprintf("%s/{name}", basePath): {
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PathItemProps: spec.PathItemProps{
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Get: c.readOperation(Resource),
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Put: c.replaceOperation(Resource),
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Delete: c.deleteOperation(),
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Patch: c.patchOperation(Resource),
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Parameters: pathParameters(),
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},
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},
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},
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},
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Definitions: spec.Definitions{
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model: schema,
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listModel: *c.listSchema(),
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},
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},
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}
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if c.status {
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ret.SwaggerProps.Paths.Paths[fmt.Sprintf("%s/{name}/status", basePath)] = spec.PathItem{
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PathItemProps: spec.PathItemProps{
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Get: c.readOperation(Status),
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Put: c.replaceOperation(Status),
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Patch: c.patchOperation(Status),
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Parameters: pathParameters(),
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},
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}
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}
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if c.scale {
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ret.SwaggerProps.Paths.Paths[fmt.Sprintf("%s/{name}/scale", basePath)] = spec.PathItem{
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PathItemProps: spec.PathItemProps{
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Get: c.readOperation(Scale),
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Put: c.replaceOperation(Scale),
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Patch: c.patchOperation(Scale),
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Parameters: pathParameters(),
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},
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}
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// TODO(roycaihw): this is a hack to let apiExtension apiserver and generic kube-apiserver
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// to have the same io.k8s.api.autoscaling.v1.Scale definition, so that aggregator server won't
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// detect name conflict and create a duplicate io.k8s.api.autoscaling.v1.Scale_V2 schema
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// when aggregating the openapi spec. It would be better if apiExtension apiserver serves
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// identical definition through the same code path (using routes) as generic kube-apiserver.
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ret.SwaggerProps.Definitions["io.k8s.api.autoscaling.v1.Scale"] = *scaleSchema()
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ret.SwaggerProps.Definitions["io.k8s.api.autoscaling.v1.ScaleSpec"] = *scaleSpecSchema()
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ret.SwaggerProps.Definitions["io.k8s.api.autoscaling.v1.ScaleStatus"] = *scaleStatusSchema()
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}
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return ret
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}
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// baseOperation initializes a base operation that all operations build upon
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func (c *SwaggerConstructor) baseOperation(kind ResourceKind, action string) *spec.Operation {
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op := spec.NewOperation(c.operationID(kind, action)).
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WithConsumes(
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"application/json",
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"application/yaml",
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).
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WithProduces(
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"application/json",
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"application/yaml",
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).
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WithTags(fmt.Sprintf("%s_%s", c.group, c.version)).
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RespondsWith(401, unauthorizedResponse())
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op.Schemes = []string{"https"}
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op.AddExtension("x-kubernetes-action", action)
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// Add x-kubernetes-group-version-kind extension
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// For CRD scale subresource, the x-kubernetes-group-version-kind is autoscaling.v1.Scale
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switch kind {
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case Scale:
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op.AddExtension("x-kubernetes-group-version-kind", []map[string]string{
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{
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"group": "autoscaling",
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"kind": "Scale",
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"version": "v1",
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},
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})
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default:
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op.AddExtension("x-kubernetes-group-version-kind", []map[string]string{
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{
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"group": c.group,
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"kind": c.kind,
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"version": c.version,
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},
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})
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}
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return op
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}
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// listOperation constructs a list operation for a CRD
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func (c *SwaggerConstructor) listOperation() *spec.Operation {
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op := c.baseOperation(Resource, "list").
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WithDescription(fmt.Sprintf("list or watch objects of kind %s", c.kind)).
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RespondsWith(200, okResponse(fmt.Sprintf("#/definitions/%s.%s.%s", c.group, c.version, c.listKind)))
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return addCollectionOperationParameters(op)
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}
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// createOperation constructs a create operation for a CRD
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func (c *SwaggerConstructor) createOperation() *spec.Operation {
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ref := c.constructSchemaRef(Resource)
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return c.baseOperation(Resource, "create").
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WithDescription(fmt.Sprintf("create a %s", c.kind)).
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RespondsWith(200, okResponse(ref)).
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RespondsWith(201, createdResponse(ref)).
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RespondsWith(202, acceptedResponse(ref)).
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AddParam((&spec.Parameter{ParamProps: spec.ParamProps{Schema: spec.RefSchema(ref)}}).
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Named("body").
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WithLocation("body").
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AsRequired())
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}
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// deleteOperation constructs a delete operation for a CRD
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func (c *SwaggerConstructor) deleteOperation() *spec.Operation {
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op := c.baseOperation(Resource, "delete").
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WithDescription(fmt.Sprintf("delete a %s", c.kind)).
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RespondsWith(200, okResponse(statusSchemaRef)).
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RespondsWith(202, acceptedResponse(statusSchemaRef))
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return addDeleteOperationParameters(op)
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}
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// deleteCollectionOperation constructs a deletecollection operation for a CRD
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func (c *SwaggerConstructor) deleteCollectionOperation() *spec.Operation {
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op := c.baseOperation(Resource, "deletecollection").
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WithDescription(fmt.Sprintf("delete collection of %s", c.kind))
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return addCollectionOperationParameters(op)
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}
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// readOperation constructs a read operation for a CRD, CRD's scale subresource
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// or CRD's status subresource
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func (c *SwaggerConstructor) readOperation(kind ResourceKind) *spec.Operation {
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ref := c.constructSchemaRef(kind)
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action := "read"
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return c.baseOperation(kind, action).
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WithDescription(c.constructDescription(kind, action)).
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RespondsWith(200, okResponse(ref))
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}
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// replaceOperation constructs a replace operation for a CRD, CRD's scale subresource
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// or CRD's status subresource
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func (c *SwaggerConstructor) replaceOperation(kind ResourceKind) *spec.Operation {
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ref := c.constructSchemaRef(kind)
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action := "replace"
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return c.baseOperation(kind, action).
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WithDescription(c.constructDescription(kind, action)).
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RespondsWith(200, okResponse(ref)).
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RespondsWith(201, createdResponse(ref)).
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AddParam((&spec.Parameter{ParamProps: spec.ParamProps{Schema: spec.RefSchema(ref)}}).
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Named("body").
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WithLocation("body").
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AsRequired())
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}
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// patchOperation constructs a patch operation for a CRD, CRD's scale subresource
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// or CRD's status subresource
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func (c *SwaggerConstructor) patchOperation(kind ResourceKind) *spec.Operation {
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ref := c.constructSchemaRef(kind)
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action := "patch"
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return c.baseOperation(kind, action).
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WithDescription(c.constructDescription(kind, "partially update")).
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RespondsWith(200, okResponse(ref)).
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AddParam((&spec.Parameter{ParamProps: spec.ParamProps{Schema: spec.RefSchema(patchSchemaRef)}}).
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Named("body").
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WithLocation("body").
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AsRequired())
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}
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// listSchema constructs the OpenAPI schema for a list of CRD objects
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func (c *SwaggerConstructor) listSchema() *spec.Schema {
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ref := c.constructSchemaRef(Resource)
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s := new(spec.Schema).
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WithDescription(fmt.Sprintf("%s is a list of %s", c.listKind, c.kind)).
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WithRequired("items").
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SetProperty("apiVersion", *spec.StringProperty().
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WithDescription(swaggerTypeMetaDescriptions["apiVersion"])).
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SetProperty("items", *spec.ArrayProperty(spec.RefSchema(ref)).
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WithDescription(fmt.Sprintf("List of %s. More info: https://git.k8s.io/community/contributors/devel/api-conventions.md", c.plural))).
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SetProperty("kind", *spec.StringProperty().
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WithDescription(swaggerTypeMetaDescriptions["kind"])).
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SetProperty("metadata", *spec.RefSchema(listMetaSchemaRef).
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WithDescription(swaggerListDescriptions["metadata"]))
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s.AddExtension("x-kubernetes-group-version-kind", map[string]string{
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"group": c.group,
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"kind": c.listKind,
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"version": c.version,
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})
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return s
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}
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// operationID generates the ID for an operation
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func (c *SwaggerConstructor) operationID(kind ResourceKind, action string) string {
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var collectionTemplate, namespacedTemplate, subresourceTemplate string
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if action == "deletecollection" {
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action = "delete"
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collectionTemplate = "Collection"
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}
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if c.scope == apiextensions.NamespaceScoped {
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namespacedTemplate = "Namespaced"
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}
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switch kind {
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case Status:
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subresourceTemplate = "Status"
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case Scale:
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subresourceTemplate = "Scale"
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}
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return fmt.Sprintf("%s%s%s%s%s%s%s", action, strings.Title(c.group), strings.Title(c.version), collectionTemplate, namespacedTemplate, c.kind, subresourceTemplate)
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}
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// constructSchemaRef generates a reference to an object schema, based on the ResourceKind
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// used by an operation
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func (c *SwaggerConstructor) constructSchemaRef(kind ResourceKind) string {
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var ref string
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switch kind {
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case Scale:
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ref = scaleSchemaRef
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default:
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ref = fmt.Sprintf("#/definitions/%s.%s.%s", c.group, c.version, c.kind)
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}
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return ref
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}
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// constructDescription generates a description for READ, REPLACE and PATCH operations, based on
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// the ResourceKind used by the operation
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func (c *SwaggerConstructor) constructDescription(kind ResourceKind, action string) string {
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var descriptionTemplate string
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switch kind {
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case Status:
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descriptionTemplate = "status of "
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case Scale:
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descriptionTemplate = "scale of "
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}
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return fmt.Sprintf("%s %sthe specified %s", action, descriptionTemplate, c.kind)
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}
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// hasPerVersionSubresources returns true if a CRD spec uses per-version subresources.
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func hasPerVersionSubresources(versions []apiextensions.CustomResourceDefinitionVersion) bool {
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for _, v := range versions {
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if v.Subresources != nil {
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return true
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}
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}
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return false
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}
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// getSubresourcesForVersion returns the subresources for given version in given CRD spec.
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func getSubresourcesForVersion(spec *apiextensions.CustomResourceDefinitionSpec, version string) (*apiextensions.CustomResourceSubresources, error) {
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if !hasPerVersionSubresources(spec.Versions) {
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return spec.Subresources, nil
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}
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if spec.Subresources != nil {
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return nil, fmt.Errorf("malformed CustomResourceDefinitionSpec version %s: top-level and per-version subresources must be mutual exclusive", version)
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}
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for _, v := range spec.Versions {
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if version == v.Name {
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return v.Subresources, nil
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}
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}
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return nil, fmt.Errorf("version %s not found in CustomResourceDefinitionSpec", version)
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}
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@ -0,0 +1,49 @@
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/*
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Copyright 2018 The Kubernetes Authors.
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|
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Licensed under the Apache License, Version 2.0 (the "License");
|
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you may not use this file except in compliance with the License.
|
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You may obtain a copy of the License at
|
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|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
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|
||||
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.
|
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*/
|
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package openapi
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import (
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"encoding/json"
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"github.com/go-openapi/spec"
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"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
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)
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// ConvertJSONSchemaPropsToOpenAPIv2Schema converts our internal OpenAPI v3 schema
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// (*apiextensions.JSONSchemaProps) to an OpenAPI v2 schema (*spec.Schema).
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// NOTE: we use versioned type (v1beta1) here so that we can properly marshal the object
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// using the JSON tags
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func ConvertJSONSchemaPropsToOpenAPIv2Schema(in *v1beta1.JSONSchemaProps) (*spec.Schema, error) {
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if in == nil {
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return nil, nil
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}
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// Marshal JSONSchemaProps into JSON and unmarshal the data into spec.Schema
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data, err := json.Marshal(*in)
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if err != nil {
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return nil, err
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}
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out := new(spec.Schema)
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if err := out.UnmarshalJSON(data); err != nil {
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return nil, err
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}
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// Remove unsupported fields in OpenAPI v2
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out.OneOf = nil
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out.AnyOf = nil
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out.Not = nil
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return out, nil
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}
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@ -0,0 +1,448 @@
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/*
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Copyright 2018 The Kubernetes Authors.
|
||||
|
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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.
|
||||
*/
|
||||
|
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package openapi
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|
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import (
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"encoding/json"
|
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"reflect"
|
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"testing"
|
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|
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"github.com/go-openapi/spec"
|
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"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
|
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)
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func Test_ConvertJSONSchemaPropsToOpenAPIv2Schema(t *testing.T) {
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testStr := "test"
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testStr2 := "test2"
|
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testFloat64 := float64(6.4)
|
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testInt64 := int64(64)
|
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raw, _ := json.Marshal(testStr)
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raw2, _ := json.Marshal(testStr2)
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testApiextensionsJSON := v1beta1.JSON{Raw: raw}
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|
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tests := []struct {
|
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name string
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in *v1beta1.JSONSchemaProps
|
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expected *spec.Schema
|
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}{
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{
|
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name: "id",
|
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in: &v1beta1.JSONSchemaProps{
|
||||
ID: testStr,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithID(testStr),
|
||||
},
|
||||
{
|
||||
name: "$schema",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Schema: "test",
|
||||
},
|
||||
expected: &spec.Schema{
|
||||
SchemaProps: spec.SchemaProps{
|
||||
Schema: "test",
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "$ref",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Ref: &testStr,
|
||||
},
|
||||
expected: spec.RefSchema(testStr),
|
||||
},
|
||||
{
|
||||
name: "description",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Description: testStr,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithDescription(testStr),
|
||||
},
|
||||
{
|
||||
name: "type and format",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Type: testStr,
|
||||
Format: testStr2,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
Typed(testStr, testStr2),
|
||||
},
|
||||
{
|
||||
name: "title",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Title: testStr,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithTitle(testStr),
|
||||
},
|
||||
{
|
||||
name: "default",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Default: &testApiextensionsJSON,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithDefault(testStr),
|
||||
},
|
||||
{
|
||||
name: "maximum and exclusiveMaximum",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Maximum: &testFloat64,
|
||||
ExclusiveMaximum: true,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithMaximum(testFloat64, true),
|
||||
},
|
||||
{
|
||||
name: "minimum and exclusiveMinimum",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Minimum: &testFloat64,
|
||||
ExclusiveMinimum: true,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithMinimum(testFloat64, true),
|
||||
},
|
||||
{
|
||||
name: "maxLength",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
MaxLength: &testInt64,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithMaxLength(testInt64),
|
||||
},
|
||||
{
|
||||
name: "minLength",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
MinLength: &testInt64,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithMinLength(testInt64),
|
||||
},
|
||||
{
|
||||
name: "pattern",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Pattern: testStr,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithPattern(testStr),
|
||||
},
|
||||
{
|
||||
name: "maxItems",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
MaxItems: &testInt64,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithMaxItems(testInt64),
|
||||
},
|
||||
{
|
||||
name: "minItems",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
MinItems: &testInt64,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithMinItems(testInt64),
|
||||
},
|
||||
{
|
||||
name: "uniqueItems",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
UniqueItems: true,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
UniqueValues(),
|
||||
},
|
||||
{
|
||||
name: "multipleOf",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
MultipleOf: &testFloat64,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithMultipleOf(testFloat64),
|
||||
},
|
||||
{
|
||||
name: "enum",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Enum: []v1beta1.JSON{{Raw: raw}, {Raw: raw2}},
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithEnum(testStr, testStr2),
|
||||
},
|
||||
{
|
||||
name: "maxProperties",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
MaxProperties: &testInt64,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithMaxProperties(testInt64),
|
||||
},
|
||||
{
|
||||
name: "minProperties",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
MinProperties: &testInt64,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithMinProperties(testInt64),
|
||||
},
|
||||
{
|
||||
name: "required",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Required: []string{testStr, testStr2},
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithRequired(testStr, testStr2),
|
||||
},
|
||||
{
|
||||
name: "items single props",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Items: &v1beta1.JSONSchemaPropsOrArray{
|
||||
Schema: &v1beta1.JSONSchemaProps{
|
||||
Type: "boolean",
|
||||
},
|
||||
},
|
||||
},
|
||||
expected: &spec.Schema{
|
||||
SchemaProps: spec.SchemaProps{
|
||||
Items: &spec.SchemaOrArray{
|
||||
Schema: spec.BooleanProperty(),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "items array props",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Items: &v1beta1.JSONSchemaPropsOrArray{
|
||||
JSONSchemas: []v1beta1.JSONSchemaProps{
|
||||
{Type: "boolean"},
|
||||
{Type: "string"},
|
||||
},
|
||||
},
|
||||
},
|
||||
expected: &spec.Schema{
|
||||
SchemaProps: spec.SchemaProps{
|
||||
Items: &spec.SchemaOrArray{
|
||||
Schemas: []spec.Schema{
|
||||
*spec.BooleanProperty(),
|
||||
*spec.StringProperty(),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "allOf",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
AllOf: []v1beta1.JSONSchemaProps{
|
||||
{Type: "boolean"},
|
||||
{Type: "string"},
|
||||
},
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithAllOf(*spec.BooleanProperty(), *spec.StringProperty()),
|
||||
},
|
||||
{
|
||||
name: "oneOf",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
OneOf: []v1beta1.JSONSchemaProps{
|
||||
{Type: "boolean"},
|
||||
{Type: "string"},
|
||||
},
|
||||
},
|
||||
expected: new(spec.Schema),
|
||||
// expected: &spec.Schema{
|
||||
// SchemaProps: spec.SchemaProps{
|
||||
// OneOf: []spec.Schema{
|
||||
// *spec.BooleanProperty(),
|
||||
// *spec.StringProperty(),
|
||||
// },
|
||||
// },
|
||||
// },
|
||||
},
|
||||
{
|
||||
name: "anyOf",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
AnyOf: []v1beta1.JSONSchemaProps{
|
||||
{Type: "boolean"},
|
||||
{Type: "string"},
|
||||
},
|
||||
},
|
||||
expected: new(spec.Schema),
|
||||
// expected: &spec.Schema{
|
||||
// SchemaProps: spec.SchemaProps{
|
||||
// AnyOf: []spec.Schema{
|
||||
// *spec.BooleanProperty(),
|
||||
// *spec.StringProperty(),
|
||||
// },
|
||||
// },
|
||||
// },
|
||||
},
|
||||
{
|
||||
name: "not",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Not: &v1beta1.JSONSchemaProps{
|
||||
Type: "boolean",
|
||||
},
|
||||
},
|
||||
expected: new(spec.Schema),
|
||||
// expected: &spec.Schema{
|
||||
// SchemaProps: spec.SchemaProps{
|
||||
// Not: spec.BooleanProperty(),
|
||||
// },
|
||||
// },
|
||||
},
|
||||
{
|
||||
name: "properties",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Properties: map[string]v1beta1.JSONSchemaProps{
|
||||
testStr: {Type: "boolean"},
|
||||
},
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
SetProperty(testStr, *spec.BooleanProperty()),
|
||||
},
|
||||
{
|
||||
name: "additionalProperties",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
AdditionalProperties: &v1beta1.JSONSchemaPropsOrBool{
|
||||
Allows: true,
|
||||
Schema: &v1beta1.JSONSchemaProps{Type: "boolean"},
|
||||
},
|
||||
},
|
||||
expected: &spec.Schema{
|
||||
SchemaProps: spec.SchemaProps{
|
||||
AdditionalProperties: &spec.SchemaOrBool{
|
||||
Allows: true,
|
||||
Schema: spec.BooleanProperty(),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "patternProperties",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
PatternProperties: map[string]v1beta1.JSONSchemaProps{
|
||||
testStr: {Type: "boolean"},
|
||||
},
|
||||
},
|
||||
expected: &spec.Schema{
|
||||
SchemaProps: spec.SchemaProps{
|
||||
PatternProperties: map[string]spec.Schema{
|
||||
testStr: *spec.BooleanProperty(),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "dependencies schema",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Dependencies: v1beta1.JSONSchemaDependencies{
|
||||
testStr: v1beta1.JSONSchemaPropsOrStringArray{
|
||||
Schema: &v1beta1.JSONSchemaProps{Type: "boolean"},
|
||||
},
|
||||
},
|
||||
},
|
||||
expected: &spec.Schema{
|
||||
SchemaProps: spec.SchemaProps{
|
||||
Dependencies: spec.Dependencies{
|
||||
testStr: spec.SchemaOrStringArray{
|
||||
Schema: spec.BooleanProperty(),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "dependencies string array",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Dependencies: v1beta1.JSONSchemaDependencies{
|
||||
testStr: v1beta1.JSONSchemaPropsOrStringArray{
|
||||
Property: []string{testStr2},
|
||||
},
|
||||
},
|
||||
},
|
||||
expected: &spec.Schema{
|
||||
SchemaProps: spec.SchemaProps{
|
||||
Dependencies: spec.Dependencies{
|
||||
testStr: spec.SchemaOrStringArray{
|
||||
Property: []string{testStr2},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "additionalItems",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
AdditionalItems: &v1beta1.JSONSchemaPropsOrBool{
|
||||
Allows: true,
|
||||
Schema: &v1beta1.JSONSchemaProps{Type: "boolean"},
|
||||
},
|
||||
},
|
||||
expected: &spec.Schema{
|
||||
SchemaProps: spec.SchemaProps{
|
||||
AdditionalItems: &spec.SchemaOrBool{
|
||||
Allows: true,
|
||||
Schema: spec.BooleanProperty(),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "definitions",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Definitions: v1beta1.JSONSchemaDefinitions{
|
||||
testStr: v1beta1.JSONSchemaProps{Type: "boolean"},
|
||||
},
|
||||
},
|
||||
expected: &spec.Schema{
|
||||
SchemaProps: spec.SchemaProps{
|
||||
Definitions: spec.Definitions{
|
||||
testStr: *spec.BooleanProperty(),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "externalDocs",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
ExternalDocs: &v1beta1.ExternalDocumentation{
|
||||
Description: testStr,
|
||||
URL: testStr2,
|
||||
},
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithExternalDocs(testStr, testStr2),
|
||||
},
|
||||
{
|
||||
name: "example",
|
||||
in: &v1beta1.JSONSchemaProps{
|
||||
Example: &testApiextensionsJSON,
|
||||
},
|
||||
expected: new(spec.Schema).
|
||||
WithExample(testStr),
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range tests {
|
||||
out, err := ConvertJSONSchemaPropsToOpenAPIv2Schema(test.in)
|
||||
if err != nil {
|
||||
t.Errorf("unexpected error in converting openapi schema: %v", test.name)
|
||||
}
|
||||
if !reflect.DeepEqual(out, test.expected) {
|
||||
t.Errorf("result of conversion test '%v' didn't match, want: %v; got: %v", test.name, *test.expected, *out)
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,228 @@
|
||||
/*
|
||||
Copyright 2018 The Kubernetes Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package openapi
|
||||
|
||||
import (
|
||||
"crypto/sha512"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
|
||||
"github.com/go-openapi/spec"
|
||||
autoscalingv1 "k8s.io/api/autoscaling/v1"
|
||||
"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
|
||||
"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
|
||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
)
|
||||
|
||||
const (
|
||||
deleteOptionsSchemaRef = "#/definitions/io.k8s.apimachinery.pkg.apis.meta.v1.DeleteOptions"
|
||||
objectMetaSchemaRef = "#/definitions/io.k8s.apimachinery.pkg.apis.meta.v1.ObjectMeta"
|
||||
scaleSpecSchemaRef = "#/definitions/io.k8s.api.autoscaling.v1.ScaleSpec"
|
||||
scaleStatusSchemaRef = "#/definitions/io.k8s.api.autoscaling.v1.ScaleStatus"
|
||||
)
|
||||
|
||||
var swaggerTypeMetaDescriptions = metav1.TypeMeta{}.SwaggerDoc()
|
||||
var swaggerDeleteOptionsDescriptions = metav1.DeleteOptions{}.SwaggerDoc()
|
||||
var swaggerListDescriptions = metav1.List{}.SwaggerDoc()
|
||||
var swaggerListOptionsDescriptions = metav1.ListOptions{}.SwaggerDoc()
|
||||
var swaggerScaleDescriptions = autoscalingv1.Scale{}.SwaggerDoc()
|
||||
var swaggerScaleSpecDescriptions = autoscalingv1.ScaleSpec{}.SwaggerDoc()
|
||||
var swaggerScaleStatusDescriptions = autoscalingv1.ScaleStatus{}.SwaggerDoc()
|
||||
|
||||
// calcSwaggerEtag calculates an etag of the OpenAPI swagger (spec)
|
||||
func calcSwaggerEtag(openAPISpec *spec.Swagger) (string, error) {
|
||||
specBytes, err := json.MarshalIndent(openAPISpec, " ", " ")
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
return fmt.Sprintf("\"%X\"", sha512.Sum512(specBytes)), nil
|
||||
}
|
||||
|
||||
// pathParameters constructs the Parameter used by all paths in the CRD swagger (spec)
|
||||
func pathParameters() []spec.Parameter {
|
||||
return []spec.Parameter{
|
||||
*spec.QueryParam("pretty").
|
||||
Typed("string", "").
|
||||
UniqueValues().
|
||||
WithDescription("If 'true', then the output is pretty printed."),
|
||||
}
|
||||
}
|
||||
|
||||
// addDeleteOperationParameters add the body&query parameters used by a delete operation
|
||||
func addDeleteOperationParameters(op *spec.Operation) *spec.Operation {
|
||||
return op.
|
||||
AddParam((&spec.Parameter{ParamProps: spec.ParamProps{Schema: spec.RefSchema(deleteOptionsSchemaRef)}}).
|
||||
Named("body").
|
||||
WithLocation("body").
|
||||
AsRequired()).
|
||||
AddParam(spec.QueryParam("dryRun").
|
||||
Typed("string", "").
|
||||
UniqueValues().
|
||||
WithDescription(swaggerDeleteOptionsDescriptions["dryRun"])).
|
||||
AddParam(spec.QueryParam("gracePeriodSeconds").
|
||||
Typed("integer", "").
|
||||
UniqueValues().
|
||||
WithDescription(swaggerDeleteOptionsDescriptions["gracePeriodSeconds"])).
|
||||
AddParam(spec.QueryParam("orphanDependents").
|
||||
Typed("boolean", "").
|
||||
UniqueValues().
|
||||
WithDescription(swaggerDeleteOptionsDescriptions["orphanDependents"])).
|
||||
AddParam(spec.QueryParam("propagationPolicy").
|
||||
Typed("string", "").
|
||||
UniqueValues().
|
||||
WithDescription(swaggerDeleteOptionsDescriptions["propagationPolicy"]))
|
||||
}
|
||||
|
||||
// addCollectionOperationParameters adds the query parameters used by list and deletecollection
|
||||
// operations
|
||||
func addCollectionOperationParameters(op *spec.Operation) *spec.Operation {
|
||||
return op.
|
||||
AddParam(spec.QueryParam("continue").
|
||||
Typed("string", "").
|
||||
UniqueValues().
|
||||
WithDescription(swaggerListOptionsDescriptions["continue"])).
|
||||
AddParam(spec.QueryParam("fieldSelector").
|
||||
Typed("string", "").
|
||||
UniqueValues().
|
||||
WithDescription(swaggerListOptionsDescriptions["fieldSelector"])).
|
||||
AddParam(spec.QueryParam("includeUninitialized").
|
||||
Typed("boolean", "").
|
||||
UniqueValues().
|
||||
WithDescription(swaggerListOptionsDescriptions["includeUninitialized"])).
|
||||
AddParam(spec.QueryParam("labelSelector").
|
||||
Typed("string", "").
|
||||
UniqueValues().
|
||||
WithDescription(swaggerListOptionsDescriptions["labelSelector"])).
|
||||
AddParam(spec.QueryParam("limit").
|
||||
Typed("integer", "").
|
||||
UniqueValues().
|
||||
WithDescription(swaggerListOptionsDescriptions["limit"])).
|
||||
AddParam(spec.QueryParam("resourceVersion").
|
||||
Typed("string", "").
|
||||
UniqueValues().
|
||||
WithDescription(swaggerListOptionsDescriptions["resourceVersion"])).
|
||||
AddParam(spec.QueryParam("timeoutSeconds").
|
||||
Typed("integer", "").
|
||||
UniqueValues().
|
||||
WithDescription(swaggerListOptionsDescriptions["timeoutSeconds"])).
|
||||
AddParam(spec.QueryParam("watch").
|
||||
Typed("boolean", "").
|
||||
UniqueValues().
|
||||
WithDescription(swaggerListOptionsDescriptions["watch"]))
|
||||
}
|
||||
|
||||
// okResponse constructs a 200 OK response with the input object schema reference
|
||||
func okResponse(ref string) *spec.Response {
|
||||
return spec.NewResponse().
|
||||
WithDescription("OK").
|
||||
WithSchema(spec.RefSchema(ref))
|
||||
}
|
||||
|
||||
// createdResponse constructs a 201 Created response with the input object schema reference
|
||||
func createdResponse(ref string) *spec.Response {
|
||||
return spec.NewResponse().
|
||||
WithDescription("Created").
|
||||
WithSchema(spec.RefSchema(ref))
|
||||
}
|
||||
|
||||
// acceptedResponse constructs a 202 Accepted response with the input object schema reference
|
||||
func acceptedResponse(ref string) *spec.Response {
|
||||
return spec.NewResponse().
|
||||
WithDescription("Accepted").
|
||||
WithSchema(spec.RefSchema(ref))
|
||||
}
|
||||
|
||||
// unauthorizedResponse constructs a 401 Unauthorized response
|
||||
func unauthorizedResponse() *spec.Response {
|
||||
return spec.NewResponse().
|
||||
WithDescription("Unauthorized")
|
||||
}
|
||||
|
||||
// scaleSchema constructs the OpenAPI schema for io.k8s.api.autoscaling.v1.Scale objects
|
||||
// TODO(roycaihw): this is a hack to let apiExtension apiserver and generic kube-apiserver
|
||||
// to have the same io.k8s.api.autoscaling.v1.Scale definition, so that aggregator server won't
|
||||
// detect name conflict and create a duplicate io.k8s.api.autoscaling.v1.Scale_V2 schema
|
||||
// when aggregating the openapi spec. It would be better if apiExtension apiserver serves
|
||||
// identical definition through the same code path (using routes) as generic kube-apiserver.
|
||||
func scaleSchema() *spec.Schema {
|
||||
s := new(spec.Schema).
|
||||
WithDescription(swaggerScaleDescriptions[""]).
|
||||
SetProperty("apiVersion", *spec.StringProperty().
|
||||
WithDescription(swaggerTypeMetaDescriptions["apiVersion"])).
|
||||
SetProperty("kind", *spec.StringProperty().
|
||||
WithDescription(swaggerTypeMetaDescriptions["kind"])).
|
||||
SetProperty("metadata", *spec.RefSchema(objectMetaSchemaRef).
|
||||
WithDescription(swaggerScaleDescriptions["metadata"])).
|
||||
SetProperty("spec", *spec.RefSchema(scaleSpecSchemaRef).
|
||||
WithDescription(swaggerScaleDescriptions["spec"])).
|
||||
SetProperty("status", *spec.RefSchema(scaleStatusSchemaRef).
|
||||
WithDescription(swaggerScaleDescriptions["status"]))
|
||||
|
||||
s.AddExtension("x-kubernetes-group-version-kind", []map[string]string{
|
||||
{
|
||||
"group": "autoscaling",
|
||||
"kind": "Scale",
|
||||
"version": "v1",
|
||||
},
|
||||
})
|
||||
return s
|
||||
}
|
||||
|
||||
// scaleSchema constructs the OpenAPI schema for io.k8s.api.autoscaling.v1.ScaleSpec objects
|
||||
func scaleSpecSchema() *spec.Schema {
|
||||
return new(spec.Schema).
|
||||
WithDescription(swaggerScaleSpecDescriptions[""]).
|
||||
SetProperty("replicas", *spec.Int32Property().
|
||||
WithDescription(swaggerScaleSpecDescriptions["replicas"]))
|
||||
}
|
||||
|
||||
// scaleSchema constructs the OpenAPI schema for io.k8s.api.autoscaling.v1.ScaleStatus objects
|
||||
func scaleStatusSchema() *spec.Schema {
|
||||
return new(spec.Schema).
|
||||
WithDescription(swaggerScaleStatusDescriptions[""]).
|
||||
WithRequired("replicas").
|
||||
SetProperty("replicas", *spec.Int32Property().
|
||||
WithDescription(swaggerScaleStatusDescriptions["replicas"])).
|
||||
SetProperty("selector", *spec.StringProperty().
|
||||
WithDescription(swaggerScaleStatusDescriptions["selector"]))
|
||||
}
|
||||
|
||||
// CustomResourceDefinitionOpenAPISpec constructs the OpenAPI spec (swagger) and calculates
|
||||
// etag for a given CustomResourceDefinitionSpec.
|
||||
// NOTE: in apiserver we general operates on internal types. We are using versioned (v1beta1)
|
||||
// validation schema here because we need the json tags to properly marshal the object to
|
||||
// JSON.
|
||||
func CustomResourceDefinitionOpenAPISpec(crdSpec *apiextensions.CustomResourceDefinitionSpec, version string, validationSchema *v1beta1.CustomResourceValidation) (*spec.Swagger, string, error) {
|
||||
schema := &spec.Schema{}
|
||||
if validationSchema != nil && validationSchema.OpenAPIV3Schema != nil {
|
||||
var err error
|
||||
schema, err = ConvertJSONSchemaPropsToOpenAPIv2Schema(validationSchema.OpenAPIV3Schema)
|
||||
if err != nil {
|
||||
return nil, "", err
|
||||
}
|
||||
}
|
||||
crdSwaggerConstructor, err := NewSwaggerConstructor(schema, crdSpec, version)
|
||||
if err != nil {
|
||||
return nil, "", err
|
||||
}
|
||||
crdOpenAPISpec := crdSwaggerConstructor.ConstructCRDOpenAPISpec()
|
||||
etag, err := calcSwaggerEtag(crdOpenAPISpec)
|
||||
if err != nil {
|
||||
return nil, "", err
|
||||
}
|
||||
return crdOpenAPISpec, etag, nil
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user