c17103f184
This reverts commit93be3f7735. Revert "update vendor kube-openapi" This reverts commit006f80e35d.
134 lines
3.5 KiB
Go
134 lines
3.5 KiB
Go
/*
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Copyright 2017 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 validation
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import (
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"errors"
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"fmt"
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"strings"
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"k8s.io/apimachinery/pkg/runtime/schema"
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utilerrors "k8s.io/apimachinery/pkg/util/errors"
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"k8s.io/apimachinery/pkg/util/json"
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"k8s.io/apimachinery/pkg/util/yaml"
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"k8s.io/kubernetes/pkg/api"
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apiutil "k8s.io/kubernetes/pkg/api/util"
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"k8s.io/kubernetes/pkg/kubectl/cmd/util/openapi"
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)
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type SchemaValidation struct {
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resources openapi.Resources
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}
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func NewSchemaValidation(resources openapi.Resources) *SchemaValidation {
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return &SchemaValidation{
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resources: resources,
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}
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}
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func (v *SchemaValidation) ValidateBytes(data []byte) error {
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obj, err := parse(data)
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if err != nil {
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return err
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}
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gvk, err := getObjectKind(obj)
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if err != nil {
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return err
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}
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if strings.HasSuffix(gvk.Kind, "List") {
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return utilerrors.NewAggregate(v.validateList(obj))
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}
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return utilerrors.NewAggregate(v.validateResource(obj, gvk))
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}
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func (v *SchemaValidation) validateList(object interface{}) []error {
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fields := object.(map[string]interface{})
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if fields == nil {
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return []error{errors.New("invalid object to validate")}
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}
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errs := []error{}
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for _, item := range fields["items"].([]interface{}) {
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if gvk, err := getObjectKind(item); err != nil {
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errs = append(errs, err)
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} else {
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errs = append(errs, v.validateResource(item, gvk)...)
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}
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}
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return errs
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}
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func (v *SchemaValidation) validateResource(obj interface{}, gvk schema.GroupVersionKind) []error {
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if !api.Registry.IsEnabledVersion(gvk.GroupVersion()) {
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// if we don't have this in our scheme, just skip
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// validation because its an object we don't recognize
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return nil
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}
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resource := v.resources.LookupResource(gvk)
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if resource == nil {
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return []error{fmt.Errorf("unknown object type %#v", gvk)}
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}
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rootValidation, err := itemFactory(openapi.NewPath(gvk.Kind), obj)
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if err != nil {
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return []error{err}
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}
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resource.Accept(rootValidation)
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return rootValidation.Errors()
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}
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func parse(data []byte) (interface{}, error) {
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var obj interface{}
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out, err := yaml.ToJSON(data)
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if err != nil {
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return nil, err
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}
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if err := json.Unmarshal(out, &obj); err != nil {
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return nil, err
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}
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return obj, nil
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}
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func getObjectKind(object interface{}) (schema.GroupVersionKind, error) {
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fields := object.(map[string]interface{})
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if fields == nil {
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return schema.GroupVersionKind{}, errors.New("invalid object to validate")
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}
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apiVersion := fields["apiVersion"]
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if apiVersion == nil {
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return schema.GroupVersionKind{}, errors.New("apiVersion not set")
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}
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if _, ok := apiVersion.(string); !ok {
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return schema.GroupVersionKind{}, errors.New("apiVersion isn't string type")
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}
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version := apiutil.GetVersion(apiVersion.(string))
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group := apiutil.GetGroup(apiVersion.(string))
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kind := fields["kind"]
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if kind == nil {
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return schema.GroupVersionKind{}, errors.New("kind not set")
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}
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if _, ok := kind.(string); !ok {
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return schema.GroupVersionKind{}, errors.New("kind isn't string type")
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}
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return schema.GroupVersionKind{Group: group, Version: version, Kind: kind.(string)}, nil
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}
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