k9s/internal/render/cm.go

76 lines
1.7 KiB
Go

// SPDX-License-Identifier: Apache-2.0
// Copyright Authors of K9s
package render
import (
"fmt"
"strconv"
"github.com/derailed/k9s/internal/client"
"github.com/derailed/k9s/internal/model1"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
)
// ConfigMap renders a K8s ConfigMap to screen.
type ConfigMap struct {
Base
}
// Header returns a header row.
func (m ConfigMap) Header(_ string) model1.Header {
return m.doHeader(defaultCMHeader)
}
var defaultCMHeader = model1.Header{
model1.HeaderColumn{Name: "NAMESPACE"},
model1.HeaderColumn{Name: "NAME"},
model1.HeaderColumn{Name: "DATA"},
model1.HeaderColumn{Name: "VALID", Attrs: model1.Attrs{Wide: true}},
model1.HeaderColumn{Name: "AGE", Attrs: model1.Attrs{Time: true}},
}
// Render renders a K8s resource to screen.
func (m ConfigMap) Render(o any, _ string, row *model1.Row) error {
if err := m.defaultRow(o, row); err != nil {
return err
}
if m.specs.isEmpty() {
return nil
}
cols, err := m.specs.realize(o.(*unstructured.Unstructured), defaultCMHeader, row)
if err != nil {
return err
}
cols.hydrateRow(row)
return nil
}
// Render renders a K8s resource to screen.
func (ConfigMap) defaultRow(o any, r *model1.Row) error {
raw, ok := o.(*unstructured.Unstructured)
if !ok {
return fmt.Errorf("expected *Unstructured, but got %T", o)
}
var cm v1.ConfigMap
err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &cm)
if err != nil {
return err
}
r.ID = client.FQN(cm.Namespace, cm.Name)
r.Fields = model1.Fields{
cm.Namespace,
cm.Name,
strconv.Itoa(len(cm.Data)),
"",
ToAge(cm.GetCreationTimestamp()),
}
return nil
}