Arun Kumar Mohan
65d16bfc94
Fetched latest lib-bucket-provisioner changes as well. Signed-off-by: Arun Kumar Mohan <amohan@redhat.com>
51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package bucket
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import (
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"context"
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"time"
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"github.com/pkg/errors"
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storagev1 "k8s.io/api/storage/v1"
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kerrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/wait"
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)
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const (
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waitDuration = time.Second * 3
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waitFactor = 2
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waitJitter = 0.5
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waitSteps = 5
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waitCap = time.Minute * 5
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)
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var backoff = wait.Backoff{
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Duration: waitDuration,
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Factor: waitFactor,
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Jitter: waitJitter,
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Steps: waitSteps,
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Cap: waitCap,
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}
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func (p *Provisioner) getStorageClassWithBackoff(name string) (class *storagev1.StorageClass, err error) {
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ctx := context.TODO()
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logger.Infof("getting storage class %q", name)
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classClient := p.context.Clientset.StorageV1().StorageClasses()
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// Retry Get() with backoff. Errors other than IsNotFound are ignored.
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err = wait.ExponentialBackoff(backoff, func() (done bool, err error) {
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class, err = classClient.Get(ctx, name, metav1.GetOptions{})
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if err == nil {
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return true, nil
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}
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if kerrors.IsNotFound(err) {
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return true, err
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}
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logger.Errorf("error getting class %q, retrying. %v", name, err)
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return false, nil
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})
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if err != nil {
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return nil, errors.Wrapf(err, "unable to Get storageclass %q", name)
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}
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return
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}
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