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tableconvertor.go
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tableconvertor.go
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// SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Gardener contributors
//
// SPDX-License-Identifier: Apache-2.0
package storage
import (
"context"
"k8s.io/apimachinery/pkg/api/meta"
metatable "k8s.io/apimachinery/pkg/api/meta/table"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
metav1beta1 "k8s.io/apimachinery/pkg/apis/meta/v1beta1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apiserver/pkg/registry/rest"
"github.com/gardener/gardener/pkg/apis/core"
)
var swaggerMetadataDescriptions = metav1.ObjectMeta{}.SwaggerDoc()
type convertor struct {
headers []metav1beta1.TableColumnDefinition
}
func newTableConvertor() rest.TableConvertor {
return &convertor{
headers: []metav1beta1.TableColumnDefinition{
{Name: "Name", Type: "string", Format: "name", Description: swaggerMetadataDescriptions["name"]},
{Name: "Age", Type: "date", Description: swaggerMetadataDescriptions["creationTimestamp"]},
},
}
}
// ConvertToTable converts the output to a table.
func (c *convertor) ConvertToTable(_ context.Context, o runtime.Object, _ runtime.Object) (*metav1beta1.Table, error) {
var (
err error
table = &metav1beta1.Table{
ColumnDefinitions: c.headers,
}
)
if m, err := meta.ListAccessor(o); err == nil {
table.ResourceVersion = m.GetResourceVersion()
table.Continue = m.GetContinue()
} else {
if m, err := meta.CommonAccessor(o); err == nil {
table.ResourceVersion = m.GetResourceVersion()
}
}
table.Rows, err = metatable.MetaToTableRow(o, func(o runtime.Object, _ metav1.Object, _, _ string) ([]interface{}, error) {
var (
obj = o.(*core.ControllerDeployment)
cells = []interface{}{}
)
cells = append(cells, obj.Name)
cells = append(cells, metatable.ConvertToHumanReadableDateType(obj.CreationTimestamp))
return cells, nil
})
return table, err
}