mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-23 14:50:24 +00:00
86 lines
2.4 KiB
Go
86 lines
2.4 KiB
Go
/*
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Copyright 2022 The Ceph-CSI Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package errors
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import (
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goerrors "errors"
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"fmt"
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"github.com/ceph/go-ceph/rados"
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"golang.org/x/sys/unix"
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)
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// ErrObjectOutOfDate is an error returned by RADOS read/write ops whose
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// rados_*_op_assert_version failed.
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var ErrObjectOutOfDate = goerrors.New("object is out of date since the last time it was read, try again later")
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// UnexpectedReadSize formats an error message for a failure due to bad read
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// size.
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func UnexpectedReadSize(expectedBytes, actualBytes int) error {
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return fmt.Errorf("unexpected size read: expected %d bytes, got %d",
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expectedBytes, actualBytes)
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}
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// UnknownObjectVersion formats an error message for a failure due to unknown
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// reftracker object version.
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func UnknownObjectVersion(unknownVersion uint32) error {
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return fmt.Errorf("unknown reftracker version %d", unknownVersion)
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}
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// FailedObjectRead formats an error message for a failed RADOS read op.
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func FailedObjectRead(cause error) error {
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if cause != nil {
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return fmt.Errorf("failed to read object: %w", TryRADOSAborted(cause))
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}
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return nil
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}
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// FailedObjectRead formats an error message for a failed RADOS read op.
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func FailedObjectWrite(cause error) error {
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if cause != nil {
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return fmt.Errorf("failed to write object: %w", TryRADOSAborted(cause))
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}
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return nil
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}
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// TryRADOSAborted tries to extract rados_*_op_assert_version from opErr.
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func TryRADOSAborted(opErr error) error {
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if opErr == nil {
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return nil
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}
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var radosOpErr rados.OperationError
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if !goerrors.As(opErr, &radosOpErr) {
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return opErr
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}
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//nolint:errorlint // Can't use errors.As() because rados.radosError is private.
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errnoErr, ok := radosOpErr.OpError.(interface{ ErrorCode() int })
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if !ok {
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return opErr
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}
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errno := errnoErr.ErrorCode()
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if errno == -int(unix.EOVERFLOW) || errno == -int(unix.ERANGE) {
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return ErrObjectOutOfDate
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}
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return nil
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}
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