forked from TrueCloudLab/frostfs-s3-gw
Denis Kirillov
5d6d5e41d0
Add two strategy for PutBucketSettings request retryer:
* exponential backoff (increasing up to `max_backoff` delays with jitter)
* constant backoff (always the same `max_backoff` delay between requests)
Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>
(cherry picked from commit bb81afc14a)
Signed-off-by: Alex Vanin <a.vanin@yadro.com>
52 lines
855 B
Go
52 lines
855 B
Go
package retryer
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import (
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"context"
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"fmt"
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"time"
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"github.com/aws/aws-sdk-go-v2/aws"
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)
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func MakeWithRetry(ctx context.Context, fn func() error, retryer aws.RetryerV2) (err error) {
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var attemptNum int
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maxAttempts := retryer.MaxAttempts()
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for {
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attemptNum++
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err = fn()
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if !retryer.IsErrorRetryable(err) {
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return err
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}
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if attemptNum >= maxAttempts {
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return fmt.Errorf("max retry attempts exausted, max %d: %w", maxAttempts, err)
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}
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retryDelay, reqErr := retryer.RetryDelay(attemptNum, err)
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if reqErr != nil {
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return reqErr
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}
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if reqErr = sleepWithContext(ctx, retryDelay); reqErr != nil {
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return reqErr
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}
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}
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}
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func sleepWithContext(ctx context.Context, dur time.Duration) error {
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t := time.NewTimer(dur)
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defer t.Stop()
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select {
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case <-t.C:
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break
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case <-ctx.Done():
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return ctx.Err()
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}
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return nil
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}
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