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feedback: leasecandidate clients

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Kubernetes-commit: fac758164029e278e9bda924090ed078bb6514c8
This commit is contained in:
Jefftree
2024-07-23 14:28:08 +00:00
committed by Kubernetes Publisher
parent 1f27757b2f
commit 18dd587a4b
3 changed files with 19 additions and 14 deletions
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23
tools/leaderelection/leasecandidate.go
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@@ -63,9 +63,14 @@ type LeaseCandidate struct {
preferredStrategies []v1.CoordinatedLeaseStrategy
}
// NewCandidate creates new LeaseCandidate controller that creates a
// LeaseCandidate object if it does not exist and watches changes
// to the corresponding object and renews if PingTime is set.
// WARNING: This is an ALPHA feature. Ensure that the CoordinatedLeaderElection
// feature gate is on.
func NewCandidate(clientset kubernetes.Interface,
candidateName string,
candidateNamespace string,
candidateName string,
targetLease string,
binaryVersion, emulationVersion string,
preferredStrategies []v1.CoordinatedLeaseStrategy,
@@ -144,7 +149,6 @@ func (c *LeaseCandidate) processNextWorkItem(ctx context.Context) bool {
}
utilruntime.HandleError(err)
klog.Infof("processNextWorkItem.AddRateLimited: %v", key)
c.queue.AddRateLimited(key)
return true
@@ -161,9 +165,8 @@ func (c *LeaseCandidate) ensureLease(ctx context.Context) error {
if apierrors.IsNotFound(err) {
klog.V(2).Infof("Creating lease candidate")
// lease does not exist, create it.
leaseToCreate := c.newLease()
_, err := c.leaseClient.Create(ctx, leaseToCreate, metav1.CreateOptions{})
if err != nil {
leaseToCreate := c.newLeaseCandidate()
if _, err := c.leaseClient.Create(ctx, leaseToCreate, metav1.CreateOptions{}); err != nil {
return err
}
klog.V(2).Infof("Created lease candidate")
@@ -171,7 +174,7 @@ func (c *LeaseCandidate) ensureLease(ctx context.Context) error {
} else if err != nil {
return err
}
klog.V(2).Infof("lease candidate exists.. renewing")
klog.V(2).Infof("lease candidate exists. Renewing.")
clone := lease.DeepCopy()
clone.Spec.RenewTime = &metav1.MicroTime{Time: c.clock.Now()}
clone.Spec.PingTime = nil
@@ -182,8 +185,8 @@ func (c *LeaseCandidate) ensureLease(ctx context.Context) error {
return nil
}
func (c *LeaseCandidate) newLease() *v1alpha1.LeaseCandidate {
lease := &v1alpha1.LeaseCandidate{
func (c *LeaseCandidate) newLeaseCandidate() *v1alpha1.LeaseCandidate {
lc := &v1alpha1.LeaseCandidate{
ObjectMeta: metav1.ObjectMeta{
Name: c.name,
Namespace: c.namespace,
@@ -195,6 +198,6 @@ func (c *LeaseCandidate) newLease() *v1alpha1.LeaseCandidate {
PreferredStrategies: c.preferredStrategies,
},
}
lease.Spec.RenewTime = &metav1.MicroTime{Time: c.clock.Now()}
return lease
lc.Spec.RenewTime = &metav1.MicroTime{Time: c.clock.Now()}
return lc
}