k9s/internal/model/hpa.go

50 lines
1.2 KiB
Go

package model
import (
"context"
"fmt"
"github.com/derailed/k9s/internal"
"github.com/rs/zerolog/log"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
)
// HorizontalPodAutoscaler represents a HPA resource model.
type HorizontalPodAutoscaler struct {
Resource
}
// List returns a collection of nodes.
func (h *HorizontalPodAutoscaler) List(ctx context.Context) ([]runtime.Object, error) {
strLabel, ok := ctx.Value(internal.KeyLabels).(string)
lsel := labels.Everything()
if sel, err := labels.ConvertSelectorToLabelsMap(strLabel); ok && err == nil {
lsel = sel.AsSelector()
}
gvrs := []string{
"autoscaling/v2beta2/horizontalpodautoscalers",
"autoscaling/v2beta1/horizontalpodautoscalers",
"autoscaling/v1/horizontalpodautoscalers",
}
for _, gvr := range gvrs {
oo, err := h.list(gvr, lsel)
if err == nil && len(oo) > 0 {
return oo, nil
}
}
log.Error().Err(fmt.Errorf("No results for any known HPA versions"))
return []runtime.Object{}, nil
}
func (h *HorizontalPodAutoscaler) list(gvr string, sel labels.Selector) ([]runtime.Object, error) {
oo, err := h.factory.List(gvr, h.namespace, sel)
if err != nil {
return nil, err
}
return oo, nil
}