k9s/internal/render/ev.go

104 lines
2.2 KiB
Go

// SPDX-License-Identifier: Apache-2.0
// Copyright Authors of K9s
package render
import (
"fmt"
"strings"
"github.com/derailed/k9s/internal/client"
"github.com/derailed/k9s/internal/model1"
"github.com/derailed/tcell/v2"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// Event renders a K8s Event to screen.
type Event struct {
Table
}
func (*Event) IsGeneric() bool {
return true
}
// ColorerFunc colors a resource row.
func (e *Event) ColorerFunc() model1.ColorerFunc {
return func(ns string, h model1.Header, re *model1.RowEvent) tcell.Color {
idx, ok := h.IndexOf("REASON", true)
if ok && strings.TrimSpace(re.Row.Fields[idx]) == "Killing" {
return model1.KillColor
}
return model1.DefaultColorer(ns, h, re)
}
}
var ageCols = map[string]struct{}{
"FIRST SEEN": {},
"LAST SEEN": {},
}
var wideCols = map[string]struct{}{
"SUBOBJECT": {},
"COUNT": {},
"SOURCE": {},
"FIRST SEEN": {},
"NAME": {},
"MESSAGE": {},
}
// Header returns a header row.
func (e *Event) Header(_ string) model1.Header {
if e.table == nil {
return model1.Header{}
}
hh := make(model1.Header, 0, len(e.table.ColumnDefinitions))
hh = append(hh, model1.HeaderColumn{Name: "NAMESPACE"})
for _, h := range e.table.ColumnDefinitions {
header := model1.HeaderColumn{Name: strings.ToUpper(h.Name)}
if _, ok := ageCols[header.Name]; ok {
header.Time = true
}
if _, ok := wideCols[header.Name]; ok {
header.Wide = true
}
hh = append(hh, header)
}
return hh
}
// Render renders a K8s resource to screen.
func (e *Event) Render(o interface{}, ns string, r *model1.Row) error {
row, ok := o.(metav1.TableRow)
if !ok {
return fmt.Errorf("expecting a TableRow but got %T", o)
}
nns, name, err := resourceNS(row.Object.Raw)
if err != nil {
return err
}
r.ID = client.FQN(nns, name)
r.Fields = make(model1.Fields, 0, len(e.Header(ns)))
r.Fields = append(r.Fields, nns)
for _, o := range row.Cells {
if o == nil {
r.Fields = append(r.Fields, Blank)
continue
}
if s, ok := o.(fmt.Stringer); ok {
r.Fields = append(r.Fields, s.String())
continue
}
if s, ok := o.(string); ok {
r.Fields = append(r.Fields, s)
continue
}
r.Fields = append(r.Fields, fmt.Sprintf("%v", o))
}
return nil
}