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azure/b2/gs/s3/swift: adapt cloud backend

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This commit is contained in:
Michael Eischer
2024-05-11 00:11:23 +02:00
parent e793c002ec
commit d40f23e716
5 changed files with 116 additions and 3 deletions
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19
internal/backend/azure/azure.go
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@@ -167,6 +167,20 @@ func (be *Backend) IsNotExist(err error) bool {
return bloberror.HasCode(err, bloberror.BlobNotFound)
}
func (be *Backend) IsPermanentError(err error) bool {
if be.IsNotExist(err) {
return true
}
var aerr *azcore.ResponseError
if errors.As(err, &aerr) {
if aerr.StatusCode == http.StatusRequestedRangeNotSatisfiable || aerr.StatusCode == http.StatusUnauthorized || aerr.StatusCode == http.StatusForbidden {
return true
}
}
return false
}
// Join combines path components with slashes.
func (be *Backend) Join(p ...string) string {
return path.Join(p...)
@@ -313,6 +327,11 @@ func (be *Backend) openReader(ctx context.Context, h backend.Handle, length int,
return nil, err
}
if length > 0 && (resp.ContentLength == nil || *resp.ContentLength != int64(length)) {
_ = resp.Body.Close()
return nil, &azcore.ResponseError{ErrorCode: "restic-file-too-short", StatusCode: http.StatusRequestedRangeNotSatisfiable}
}
return resp.Body, err
}