forked from hswaw/hscloud
66 lines
2.1 KiB
Go
66 lines
2.1 KiB
Go
// Copyright 2017 The kubecfg authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package utils
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import (
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"fmt"
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log "github.com/sirupsen/logrus"
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"k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/client-go/discovery"
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"k8s.io/kube-openapi/pkg/util/proto"
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"k8s.io/kube-openapi/pkg/util/proto/validation"
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"k8s.io/kubectl/pkg/util/openapi"
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)
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// OpenAPISchema represents an OpenAPI schema for a given GroupVersionKind.
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type OpenAPISchema struct {
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schema proto.Schema
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}
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// NewOpenAPISchemaFor returns the OpenAPISchema object ready to validate objects of given GroupVersion
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func NewOpenAPISchemaFor(delegate discovery.OpenAPISchemaInterface, gvk schema.GroupVersionKind) (*OpenAPISchema, error) {
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log.Debugf("Fetching schema for %v", gvk)
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doc, err := delegate.OpenAPISchema()
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if err != nil {
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return nil, err
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}
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res, err := openapi.NewOpenAPIData(doc)
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if err != nil {
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return nil, err
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}
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sc := res.LookupResource(gvk)
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if sc == nil {
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gvr := schema.GroupResource{
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// TODO(mkm): figure out a meaningful group+resource for schemas.
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Group: "schema",
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Resource: "schema",
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}
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return nil, errors.NewNotFound(gvr, fmt.Sprintf("%s", gvk))
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}
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return &OpenAPISchema{schema: sc}, nil
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}
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// Validate is the primary entrypoint into this class
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func (s *OpenAPISchema) Validate(obj *unstructured.Unstructured) []error {
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gvk := obj.GroupVersionKind()
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log.Infof("validate object %q", gvk)
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return validation.ValidateModel(obj.UnstructuredContent(), s.schema, fmt.Sprintf("%s.%s", gvk.Version, gvk.Kind))
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}
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