118 lines
3.0 KiB
Go
118 lines
3.0 KiB
Go
package resource
|
|
|
|
import (
|
|
"strconv"
|
|
|
|
"github.com/derailed/k9s/internal/k8s"
|
|
"github.com/rs/zerolog/log"
|
|
autoscalingv1 "k8s.io/api/autoscaling/v1"
|
|
)
|
|
|
|
// HorizontalPodAutoscalerV1 tracks a kubernetes resource.
|
|
type HorizontalPodAutoscalerV1 struct {
|
|
*Base
|
|
instance *autoscalingv1.HorizontalPodAutoscaler
|
|
}
|
|
|
|
// NewHorizontalPodAutoscalerV1List returns a new resource list.
|
|
func NewHorizontalPodAutoscalerV1List(c Connection, ns string) List {
|
|
return NewList(
|
|
ns,
|
|
"hpa",
|
|
NewHorizontalPodAutoscalerV1(c),
|
|
AllVerbsAccess|DescribeAccess,
|
|
)
|
|
}
|
|
|
|
// NewHorizontalPodAutoscalerV1 instantiates a new HorizontalPodAutoscalerV1.
|
|
func NewHorizontalPodAutoscalerV1(c Connection) *HorizontalPodAutoscalerV1 {
|
|
hpa := &HorizontalPodAutoscalerV1{&Base{Connection: c, Resource: k8s.NewHorizontalPodAutoscalerV1(c)}, nil}
|
|
hpa.Factory = hpa
|
|
|
|
return hpa
|
|
}
|
|
|
|
// New builds a new HorizontalPodAutoscalerV1 instance from a k8s resource.
|
|
func (r *HorizontalPodAutoscalerV1) New(i interface{}) Columnar {
|
|
c := NewHorizontalPodAutoscalerV1(r.Connection)
|
|
switch instance := i.(type) {
|
|
case *autoscalingv1.HorizontalPodAutoscaler:
|
|
c.instance = instance
|
|
case autoscalingv1.HorizontalPodAutoscaler:
|
|
c.instance = &instance
|
|
default:
|
|
log.Fatal().Msgf("unknown HorizontalPodAutoscalerV1 type %#v", i)
|
|
}
|
|
c.path = c.namespacedName(c.instance.ObjectMeta)
|
|
|
|
return c
|
|
}
|
|
|
|
// Marshal resource to yaml.
|
|
func (r *HorizontalPodAutoscalerV1) Marshal(path string) (string, error) {
|
|
ns, n := namespaced(path)
|
|
i, err := r.Resource.Get(ns, n)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
hpa := i.(*autoscalingv1.HorizontalPodAutoscaler)
|
|
hpa.TypeMeta.APIVersion = "autoscaling/v1"
|
|
hpa.TypeMeta.Kind = "HorizontalPodAutoscaler"
|
|
|
|
return r.marshalObject(hpa)
|
|
}
|
|
|
|
// Header return resource header.
|
|
func (*HorizontalPodAutoscalerV1) Header(ns string) Row {
|
|
hh := Row{}
|
|
if ns == AllNamespaces {
|
|
hh = append(hh, "NAMESPACE")
|
|
}
|
|
|
|
return append(hh,
|
|
"NAME",
|
|
"REFERENCE",
|
|
"TARGETS",
|
|
"MINPODS",
|
|
"MAXPODS",
|
|
"REPLICAS",
|
|
"AGE")
|
|
}
|
|
|
|
// Fields retrieves displayable fields.
|
|
func (r *HorizontalPodAutoscalerV1) Fields(ns string) Row {
|
|
ff := make(Row, 0, len(r.Header(ns)))
|
|
|
|
i := r.instance
|
|
if ns == AllNamespaces {
|
|
ff = append(ff, i.Namespace)
|
|
}
|
|
|
|
return append(ff,
|
|
i.ObjectMeta.Name,
|
|
i.Spec.ScaleTargetRef.Name,
|
|
r.toMetrics(i.Spec, i.Status),
|
|
strconv.Itoa(int(*i.Spec.MinReplicas)),
|
|
strconv.Itoa(int(i.Spec.MaxReplicas)),
|
|
strconv.Itoa(int(i.Status.CurrentReplicas)),
|
|
toAge(i.ObjectMeta.CreationTimestamp),
|
|
)
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Helpers...
|
|
|
|
func (r *HorizontalPodAutoscalerV1) toMetrics(spec autoscalingv1.HorizontalPodAutoscalerSpec, status autoscalingv1.HorizontalPodAutoscalerStatus) string {
|
|
current := "<unknown>"
|
|
if status.CurrentCPUUtilizationPercentage != nil {
|
|
current = strconv.Itoa(int(*status.CurrentCPUUtilizationPercentage)) + "%"
|
|
}
|
|
|
|
target := "<unknown>"
|
|
if spec.TargetCPUUtilizationPercentage != nil {
|
|
target = strconv.Itoa(int(*spec.TargetCPUUtilizationPercentage))
|
|
}
|
|
return current + "/" + target + "%"
|
|
}
|