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Review feedback: fix context handling in LeaseCandidateGCController

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Signed-off-by: Dr. Stefan Schimanski <stefan.schimanski@gmail.com>
This commit is contained in:
Dr. Stefan Schimanski
2024-07-23 20:51:37 +02:00
committed by Jefftree
parent 15affefcab
commit a738daa88a
2 changed files with 8 additions and 7 deletions
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13
pkg/controlplane/controller/leaderelection/leasecandidategc_controller.go
View File

@@ -21,6 +21,7 @@ import (
"fmt"
"time"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
@@ -55,23 +56,23 @@ func NewLeaseCandidateGC(clientset kubernetes.Interface, gcCheckPeriod time.Dura
}
// Run starts one worker.
func (c *LeaseCandidateGCController) Run(stopCh <-chan struct{}) {
func (c *LeaseCandidateGCController) Run(ctx context.Context) {
defer utilruntime.HandleCrash()
defer klog.Infof("Shutting down apiserver leasecandidate garbage collector")
klog.Infof("Starting apiserver leasecandidate garbage collector")
if !cache.WaitForCacheSync(stopCh, c.leaseCandidatesSynced) {
if !cache.WaitForCacheSync(ctx.Done(), c.leaseCandidatesSynced) {
utilruntime.HandleError(fmt.Errorf("timed out waiting for caches to sync"))
return
}
go wait.Until(c.gc, c.gcCheckPeriod, stopCh)
go wait.UntilWithContext(ctx, c.gc, c.gcCheckPeriod)
<-stopCh
<-ctx.Done()
}
func (c *LeaseCandidateGCController) gc() {
func (c *LeaseCandidateGCController) gc(ctx context.Context) {
lcs, err := c.leaseCandidateLister.List(labels.Everything())
if err != nil {
klog.ErrorS(err, "Error while listing lease candidates")
@@ -92,7 +93,7 @@ func (c *LeaseCandidateGCController) gc() {
continue
}
if err := c.kubeclientset.CoordinationV1alpha1().LeaseCandidates(lc.Namespace).Delete(
context.TODO(), lc.Name, metav1.DeleteOptions{}); err != nil {
ctx, lc.Name, metav1.DeleteOptions{}); err != nil && !apierrors.IsNotFound(err) {
klog.ErrorS(err, "Error deleting lease")
}
}

2
pkg/controlplane/controller/leaderelection/leasecandidategc_controller_test.go
View File

@@ -128,7 +128,7 @@ func TestLeaseCandidateGCController(t *testing.T) {
cache.WaitForCacheSync(ctx.Done(), controller.leaseCandidatesSynced)
go controller.Run(ctx.Done())
go controller.Run(ctx)
err := wait.PollUntilContextTimeout(ctx, 100*time.Millisecond, 600*time.Second, true, func(ctx context.Context) (done bool, err error) {
lcs, err := client.CoordinationV1alpha1().LeaseCandidates("default").List(ctx, metav1.ListOptions{})
if err != nil {