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utils.go
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/
utils.go
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package store
import (
"context"
"sort"
"github.com/pkg/errors"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/runtime"
"github.com/vmware-tanzu/octant/internal/util/kubernetes"
)
func EventsForObject(ctx context.Context, object runtime.Object, o Store) (*corev1.EventList, error) {
accessor := meta.NewAccessor()
namespace, err := accessor.Namespace(object)
if err != nil {
return nil, errors.Wrap(err, "get namespace for object")
}
apiVersion, err := accessor.APIVersion(object)
if err != nil {
return nil, errors.Wrap(err, "Get apiVersion for object")
}
kind, err := accessor.Kind(object)
if err != nil {
return nil, errors.Wrap(err, "get kind for object")
}
name, err := accessor.Name(object)
if err != nil {
return nil, errors.Wrap(err, "get name for object")
}
key := Key{
Namespace: namespace,
APIVersion: "v1",
Kind: "Event",
}
list, _, err := o.List(ctx, key)
if err != nil {
return nil, errors.Wrap(err, "list events for object")
}
eventList := &corev1.EventList{}
for _, unstructuredEvent := range list.Items {
event := &corev1.Event{}
err := kubernetes.FromUnstructured(&unstructuredEvent, event)
if err != nil {
return nil, err
}
involvedObject := event.InvolvedObject
if involvedObject.APIVersion == "autoscaling/v2beta2" || involvedObject.APIVersion == "autoscaling/v2beta1" {
involvedObject.APIVersion = "autoscaling/v1"
}
if involvedObject.Namespace == namespace &&
involvedObject.APIVersion == apiVersion &&
involvedObject.Kind == kind &&
involvedObject.Name == name {
eventList.Items = append(eventList.Items, *event)
}
}
sort.SliceStable(eventList.Items, func(i, j int) bool {
a := eventList.Items[i]
b := eventList.Items[j]
if b.LastTimestamp.After(a.LastTimestamp.Time) {
return true
}
return a.LastTimestamp.After(b.LastTimestamp.Time)
})
return eventList, nil
}