k9s/internal/render/sts.go

83 lines
1.9 KiB
Go

package render
import (
"fmt"
"strconv"
"strings"
"github.com/derailed/k9s/internal/client"
"github.com/gdamore/tcell"
appsv1 "k8s.io/api/apps/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
)
// StatefulSet renders a K8s StatefulSet to screen.
type StatefulSet struct{}
// ColorerFunc colors a resource row.
func (StatefulSet) ColorerFunc() ColorerFunc {
return func(ns string, r RowEvent) tcell.Color {
c := DefaultColorer(ns, r)
if r.Kind == EventAdd || r.Kind == EventUpdate {
return c
}
readyCol := 2
if !client.IsAllNamespaces(ns) {
readyCol--
}
tokens := strings.Split(strings.TrimSpace(r.Row.Fields[readyCol]), "/")
curr, des := tokens[0], tokens[1]
if curr != des {
return ErrColor
}
return StdColor
}
}
// Header returns a header row.
func (StatefulSet) 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: "READY"},
Header{Name: "SELECTOR"},
Header{Name: "SERVICE"},
Header{Name: "AGE", Decorator: AgeDecorator},
)
}
// Render renders a K8s resource to screen.
func (s StatefulSet) Render(o interface{}, ns string, r *Row) error {
raw, ok := o.(*unstructured.Unstructured)
if !ok {
return fmt.Errorf("Expected StatefulSet, but got %T", o)
}
var sts appsv1.StatefulSet
err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &sts)
if err != nil {
return err
}
r.ID = MetaFQN(sts.ObjectMeta)
r.Fields = make(Fields, 0, len(s.Header(ns)))
if client.IsAllNamespaces(ns) {
r.Fields = append(r.Fields, sts.Namespace)
}
r.Fields = append(r.Fields,
sts.Name,
strconv.Itoa(int(sts.Status.Replicas))+"/"+strconv.Itoa(int(*sts.Spec.Replicas)),
asSelector(sts.Spec.Selector),
na(sts.Spec.ServiceName),
toAge(sts.ObjectMeta.CreationTimestamp),
)
return nil
}