mirror of
https://github.com/containers/skopeo.git
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Update to github.com/containers/common v0.49.0
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
This commit is contained in:
39
vendor/github.com/containers/common/pkg/retry/retry.go
generated
vendored
39
vendor/github.com/containers/common/pkg/retry/retry.go
generated
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@@ -12,25 +12,32 @@ import (
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"github.com/docker/distribution/registry/api/errcode"
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errcodev2 "github.com/docker/distribution/registry/api/v2"
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"github.com/hashicorp/go-multierror"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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)
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// RetryOptions defines the option to retry
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type RetryOptions struct {
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MaxRetry int // The number of times to possibly retry
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Delay time.Duration // The delay to use between retries, if set
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// Options defines the option to retry.
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type Options struct {
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MaxRetry int // The number of times to possibly retry.
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Delay time.Duration // The delay to use between retries, if set.
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}
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// RetryIfNecessary retries the operation in exponential backoff with the retryOptions
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func RetryIfNecessary(ctx context.Context, operation func() error, retryOptions *RetryOptions) error {
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// RetryOptions is deprecated, use Options.
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type RetryOptions = Options // nolint:revive
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// RetryIfNecessary deprecated function use IfNecessary.
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func RetryIfNecessary(ctx context.Context, operation func() error, options *Options) error { // nolint:revive
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return IfNecessary(ctx, operation, options)
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}
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// IfNecessary retries the operation in exponential backoff with the retry Options.
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func IfNecessary(ctx context.Context, operation func() error, options *Options) error {
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err := operation()
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for attempt := 0; err != nil && isRetryable(err) && attempt < retryOptions.MaxRetry; attempt++ {
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for attempt := 0; err != nil && isRetryable(err) && attempt < options.MaxRetry; attempt++ {
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delay := time.Duration(int(math.Pow(2, float64(attempt)))) * time.Second
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if retryOptions.Delay != 0 {
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delay = retryOptions.Delay
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if options.Delay != 0 {
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delay = options.Delay
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}
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logrus.Warnf("Failed, retrying in %s ... (%d/%d). Error: %v", delay, attempt+1, retryOptions.MaxRetry, err)
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logrus.Warnf("Failed, retrying in %s ... (%d/%d). Error: %v", delay, attempt+1, options.MaxRetry, err)
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select {
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case <-time.After(delay):
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break
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@@ -43,8 +50,6 @@ func RetryIfNecessary(ctx context.Context, operation func() error, retryOptions
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}
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func isRetryable(err error) bool {
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err = errors.Cause(err)
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switch err {
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case nil:
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return false
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@@ -91,6 +96,14 @@ func isRetryable(err error) bool {
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}
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}
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return true
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case net.Error:
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if e.Timeout() {
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return true
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}
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if unwrappable, ok := e.(unwrapper); ok {
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err = unwrappable.Unwrap()
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return isRetryable(err)
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}
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case unwrapper: // Test this last, because various error types might implement .Unwrap()
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err = e.Unwrap()
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return isRetryable(err)
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