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Signed-off-by: Davanum Srinivas <davanum@gmail.com>

Kubernetes-commit: a9593d634c6a053848413e600dadbf974627515f
This commit is contained in:
Davanum Srinivas
2022-07-19 20:54:13 -04:00
committed by Kubernetes Publisher
parent b5c7588f8a
commit 2a6c116e40
23 changed files with 247 additions and 239 deletions
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44
util/retry/util.go
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@@ -74,30 +74,30 @@ func OnError(backoff wait.Backoff, retriable func(error) bool, fn func() error)
// backoff, and then try again. On a non-"Conflict" error, or if it retries too many times
// and gives up, RetryOnConflict will return an error to the caller.
//
// err := retry.RetryOnConflict(retry.DefaultRetry, func() error {
// // Fetch the resource here; you need to refetch it on every try, since
// // if you got a conflict on the last update attempt then you need to get
// // the current version before making your own changes.
// pod, err := c.Pods("mynamespace").Get(name, metav1.GetOptions{})
// if err != nil {
// return err
// }
// err := retry.RetryOnConflict(retry.DefaultRetry, func() error {
// // Fetch the resource here; you need to refetch it on every try, since
// // if you got a conflict on the last update attempt then you need to get
// // the current version before making your own changes.
// pod, err := c.Pods("mynamespace").Get(name, metav1.GetOptions{})
// if err != nil {
// return err
// }
//
// // Make whatever updates to the resource are needed
// pod.Status.Phase = v1.PodFailed
// // Make whatever updates to the resource are needed
// pod.Status.Phase = v1.PodFailed
//
// // Try to update
// _, err = c.Pods("mynamespace").UpdateStatus(pod)
// // You have to return err itself here (not wrapped inside another error)
// // so that RetryOnConflict can identify it correctly.
// return err
// })
// if err != nil {
// // May be conflict if max retries were hit, or may be something unrelated
// // like permissions or a network error
// return err
// }
// ...
// // Try to update
// _, err = c.Pods("mynamespace").UpdateStatus(pod)
// // You have to return err itself here (not wrapped inside another error)
// // so that RetryOnConflict can identify it correctly.
// return err
// })
// if err != nil {
// // May be conflict if max retries were hit, or may be something unrelated
// // like permissions or a network error
// return err
// }
// ...
//
// TODO: Make Backoff an interface?
func RetryOnConflict(backoff wait.Backoff, fn func() error) error {