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