forked from werdnum/kubernetes-pressurecooker
/
evicter_type.go
60 lines (50 loc) · 1.35 KB
/
evicter_type.go
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package multicooker
import (
"time"
"github.com/golang/glog"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/scheme"
typedv1 "k8s.io/client-go/kubernetes/typed/core/v1"
"k8s.io/client-go/tools/record"
)
type Evicter struct {
client kubernetes.Interface
nodeName string
nodeRef *v1.ObjectReference
recorder record.EventRecorder
minPodAge time.Duration
backoff time.Duration
lastEviction time.Time
}
func NewEvicter(client kubernetes.Interface, nodeName string, backoff string, minPodAge string) (*Evicter, error) {
backoffDuration, err := time.ParseDuration(backoff)
if err != nil {
return nil, err
}
minPodAgeDuration, err := time.ParseDuration(minPodAge)
if err != nil {
return nil, err
}
b := record.NewBroadcaster()
b.StartLogging(glog.Infof)
b.StartRecordingToSink(&typedv1.EventSinkImpl{
Interface: client.CoreV1().Events(""),
})
r := b.NewRecorder(scheme.Scheme, v1.EventSource{Host: nodeName, Component: ComponentName + "/evicter"})
nodeRef := &v1.ObjectReference{
Kind: "Node",
Name: nodeName,
UID: types.UID(nodeName),
Namespace: "",
}
return &Evicter{
client: client,
nodeName: nodeName,
nodeRef: nodeRef,
recorder: r,
backoff: backoffDuration,
minPodAge: minPodAgeDuration,
}, nil
}