k9s/internal/render/ev.go

87 lines
1.8 KiB
Go

package render
import (
"fmt"
"strconv"
"strings"
"github.com/derailed/k9s/internal/client"
"github.com/derailed/tview"
"github.com/gdamore/tcell"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
)
// Event renders a K8s Event to screen.
type Event struct{}
// ColorerFunc colors a resource row.
func (Event) ColorerFunc() ColorerFunc {
return func(ns string, r RowEvent) tcell.Color {
c := DefaultColorer(ns, r)
markCol := 3
if !client.IsAllNamespaces(ns) {
markCol = 2
}
switch strings.TrimSpace(r.Row.Fields[markCol]) {
case "Failed":
c = ErrColor
case "Killing":
c = KillColor
}
return c
}
}
// Header returns a header rbw.
func (Event) Header(ns string) HeaderRow {
var h HeaderRow
if client.IsAllNamespaces(ns) {
h = append(h, Header{Name: "NAMESPACE"})
}
return append(h,
Header{Name: "NAME"},
Header{Name: "REASON"},
Header{Name: "SOURCE"},
Header{Name: "COUNT", Align: tview.AlignRight},
Header{Name: "MESSAGE"},
Header{Name: "AGE", Decorator: AgeDecorator},
)
}
// Render renders a K8s resource to screen.
func (e Event) Render(o interface{}, ns string, r *Row) error {
raw, ok := o.(*unstructured.Unstructured)
if !ok {
return fmt.Errorf("Expected Event, but got %T", o)
}
var ev v1.Event
err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &ev)
if err != nil {
return err
}
r.ID = MetaFQN(ev.ObjectMeta)
r.Fields = make(Fields, 0, len(e.Header(ns)))
if client.IsAllNamespaces(ns) {
r.Fields = append(r.Fields, ev.Namespace)
}
r.Fields = append(r.Fields,
asRef(ev.InvolvedObject),
ev.Reason,
ev.Source.Component,
strconv.Itoa(int(ev.Count)),
Truncate(ev.Message, 80),
toAge(ev.LastTimestamp))
return nil
}
func asRef(r v1.ObjectReference) string {
return strings.ToLower(r.Kind) + ":" + r.Name
}