k9s/internal/dao/hpa.go

49 lines
1.1 KiB
Go

package dao
import (
"context"
"github.com/derailed/k9s/internal"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
)
var (
_ Accessor = (*HorizontalPodAutoscaler)(nil)
_ Nuker = (*HorizontalPodAutoscaler)(nil)
)
// HorizontalPodAutoscaler represents a HPA resource model.
type HorizontalPodAutoscaler struct {
Resource
}
// List returns a collection of nodes.
func (h *HorizontalPodAutoscaler) List(ctx context.Context, ns string) ([]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()
}
rev, err := h.Factory.Client().ServerVersion()
if err != nil {
return nil, err
}
gvr := "autoscaling/v1/horizontalpodautoscalers"
if rev.Minor >= "23" {
gvr = "autoscaling/v2/horizontalpodautoscalers"
}
return h.list(gvr, ns, lsel)
}
func (h *HorizontalPodAutoscaler) list(gvr, ns string, sel labels.Selector) ([]runtime.Object, error) {
oo, err := h.Factory.List(gvr, ns, true, sel)
if err != nil {
return nil, err
}
return oo, nil
}