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delta.go
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delta.go
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package kubebench
import (
"sync"
"time"
"github.com/samber/lo"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/wait"
)
func newDeltaState() *nodeDeltaState {
return &nodeDeltaState{
objectMap: make(map[types.UID]*nodeJob),
mu: sync.Mutex{},
}
}
type nodeJob struct {
node *corev1.Node
backoff wait.Backoff
next time.Time
}
func (n *nodeJob) ready() bool {
return n.next.Before(time.Now())
}
func (n *nodeJob) setFailed() {
n.next = time.Now().Add(n.backoff.Step())
}
type nodeDeltaState struct {
objectMap map[types.UID]*nodeJob
mu sync.Mutex
}
func (d *nodeDeltaState) upsert(o *corev1.Node) {
d.mu.Lock()
defer d.mu.Unlock()
key := o.GetUID()
if job, ok := d.objectMap[key]; ok {
job.node = o
return
}
nodeBackoff := wait.Backoff{
Duration: time.Second * 15,
Factor: 3,
Steps: 8,
}
w := &nodeJob{
backoff: nodeBackoff,
node: o,
next: time.Now(),
}
d.objectMap[key] = w
}
func (d *nodeDeltaState) delete(o *corev1.Node) {
d.mu.Lock()
defer d.mu.Unlock()
delete(d.objectMap, o.GetUID())
}
func (d *nodeDeltaState) peek() []*nodeJob {
d.mu.Lock()
defer d.mu.Unlock()
return lo.Values(d.objectMap)
}