k9s/internal/render/cm.go

60 lines
1.3 KiB
Go

package render
import (
"fmt"
"strconv"
"github.com/derailed/tview"
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{}
// ColorerFunc colors a resource row.
func (ConfigMap) ColorerFunc() ColorerFunc {
return DefaultColorer
}
// Header returns a header row.
func (ConfigMap) Header(ns string) HeaderRow {
var h HeaderRow
if isAllNamespace(ns) {
h = append(h, Header{Name: "NAMESPACE"})
}
return append(h,
Header{Name: "NAME"},
Header{Name: "DATA", Align: tview.AlignRight},
Header{Name: "AGE", Decorator: AgeDecorator},
)
}
// Render renders a K8s resource to screen.
func (c ConfigMap) Render(o interface{}, ns string, r *Row) error {
raw, ok := o.(*unstructured.Unstructured)
if !ok {
return fmt.Errorf("Expected ConfigMap, but got %T", o)
}
var cm v1.ConfigMap
err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &cm)
if err != nil {
return err
}
r.ID = MetaFQN(cm.ObjectMeta)
r.Fields = make(Fields, 0, len(c.Header(ns)))
if isAllNamespace(ns) {
r.Fields = append(r.Fields, cm.Namespace)
}
r.Fields = append(r.Fields,
cm.Name,
strconv.Itoa(len(cm.Data)),
toAge(cm.ObjectMeta.CreationTimestamp),
)
return nil
}