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>
59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
package retryer
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import (
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"context"
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"errors"
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"testing"
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"time"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/pkg/service/tree"
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"github.com/aws/aws-sdk-go-v2/aws"
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"github.com/aws/aws-sdk-go-v2/aws/retry"
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"github.com/stretchr/testify/require"
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)
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func TestRetryer(t *testing.T) {
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ctx := context.Background()
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retryer := retry.NewStandard(func(options *retry.StandardOptions) {
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options.MaxAttempts = 3
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options.Backoff = retry.BackoffDelayerFunc(func(int, error) (time.Duration, error) { return 0, nil })
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options.Retryables = []retry.IsErrorRetryable{retry.IsErrorRetryableFunc(func(err error) aws.Ternary {
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if errors.Is(err, tree.ErrNodeAccessDenied) {
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return aws.TrueTernary
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}
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return aws.FalseTernary
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})}
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})
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t.Run("no retryable", func(t *testing.T) {
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count := 0
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err := MakeWithRetry(ctx, func() error {
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count++
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if count == 1 {
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return tree.ErrNodeNotFound
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}
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return tree.ErrNodeAccessDenied
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}, retryer)
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require.ErrorIs(t, err, tree.ErrNodeNotFound)
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})
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t.Run("retry", func(t *testing.T) {
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count := 0
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err := MakeWithRetry(ctx, func() error {
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count++
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if count < 3 {
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return tree.ErrNodeAccessDenied
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}
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return nil
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}, retryer)
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require.NoError(t, err)
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})
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t.Run("retry exhausted", func(t *testing.T) {
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err := MakeWithRetry(ctx, func() error {
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return tree.ErrNodeAccessDenied
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}, retryer)
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require.ErrorIs(t, err, tree.ErrNodeAccessDenied)
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})
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}
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