| /* |
| Copyright 2014 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 rest |
| |
| import ( |
| "context" |
| "fmt" |
| "net/http" |
| "time" |
| |
| "k8s.io/apimachinery/pkg/api/meta" |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| metav1beta1 "k8s.io/apimachinery/pkg/apis/meta/v1beta1" |
| "k8s.io/apimachinery/pkg/runtime" |
| "k8s.io/apimachinery/pkg/runtime/schema" |
| ) |
| |
| type defaultTableConvertor struct { |
| qualifiedResource schema.GroupResource |
| } |
| |
| // NewDefaultTableConvertor creates a default convertor for the provided resource. |
| func NewDefaultTableConvertor(resource schema.GroupResource) TableConvertor { |
| return defaultTableConvertor{qualifiedResource: resource} |
| } |
| |
| var swaggerMetadataDescriptions = metav1.ObjectMeta{}.SwaggerDoc() |
| |
| func (c defaultTableConvertor) ConvertToTable(ctx context.Context, object runtime.Object, tableOptions runtime.Object) (*metav1beta1.Table, error) { |
| var table metav1beta1.Table |
| fn := func(obj runtime.Object) error { |
| m, err := meta.Accessor(obj) |
| if err != nil { |
| return errNotAcceptable{resource: c.qualifiedResource} |
| } |
| table.Rows = append(table.Rows, metav1beta1.TableRow{ |
| Cells: []interface{}{m.GetName(), m.GetCreationTimestamp().Time.UTC().Format(time.RFC3339)}, |
| Object: runtime.RawExtension{Object: obj}, |
| }) |
| return nil |
| } |
| switch { |
| case meta.IsListType(object): |
| if err := meta.EachListItem(object, fn); err != nil { |
| return nil, err |
| } |
| default: |
| if err := fn(object); err != nil { |
| return nil, err |
| } |
| } |
| if m, err := meta.ListAccessor(object); err == nil { |
| table.ResourceVersion = m.GetResourceVersion() |
| table.SelfLink = m.GetSelfLink() |
| table.Continue = m.GetContinue() |
| } else { |
| if m, err := meta.CommonAccessor(object); err == nil { |
| table.ResourceVersion = m.GetResourceVersion() |
| table.SelfLink = m.GetSelfLink() |
| } |
| } |
| table.ColumnDefinitions = []metav1beta1.TableColumnDefinition{ |
| {Name: "Name", Type: "string", Format: "name", Description: swaggerMetadataDescriptions["name"]}, |
| {Name: "Created At", Type: "date", Description: swaggerMetadataDescriptions["creationTimestamp"]}, |
| } |
| return &table, nil |
| } |
| |
| // errNotAcceptable indicates the resource doesn't support Table conversion |
| type errNotAcceptable struct { |
| resource schema.GroupResource |
| } |
| |
| func (e errNotAcceptable) Error() string { |
| return fmt.Sprintf("the resource %s does not support being converted to a Table", e.resource) |
| } |
| |
| func (e errNotAcceptable) Status() metav1.Status { |
| return metav1.Status{ |
| Status: metav1.StatusFailure, |
| Code: http.StatusNotAcceptable, |
| Reason: metav1.StatusReason("NotAcceptable"), |
| Message: e.Error(), |
| } |
| } |