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errors.go
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errors.go
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//
// Copyright (C) 2019-2020 Vdaas.org Vald team ( kpango, rinx, kmrmt )
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Package errors provides error types and function
package errors
import (
"reflect"
"runtime"
"github.com/cockroachdb/errors"
"github.com/cockroachdb/errors/errbase"
)
var (
ErrTimeoutParseFailed = func(timeout string) error {
return Errorf("invalid timeout value: %s\t:timeout parse error out put failed", timeout)
}
ErrServerNotFound = func(name string) error {
return Errorf("server %s not found", name)
}
ErrOptionFailed = func(err error, ref reflect.Value) error {
return Wrapf(err, "failed to setup option :\t%s",
runtime.FuncForPC(ref.Pointer()).Name())
}
ErrArgumentParseFailed = func(err error) error {
return Wrap(err, "argument parse failed")
}
ErrBackoffTimeout = func(err error) error {
return Wrap(err, "backoff timeout by limitation")
}
ErrInvalidTypeConversion = func(i interface{}, tgt interface{}) error {
return Errorf("invalid type conversion %v to %v", reflect.TypeOf(i), reflect.TypeOf(tgt))
}
ErrLoggingRetry = func(err error, ref reflect.Value) error {
return Wrapf(err, "failed to output %s logs, retrying...",
runtime.FuncForPC(ref.Pointer()).Name())
}
ErrLoggingFailed = func(err error, ref reflect.Value) error {
return Wrapf(err, "failed to output %s logs",
runtime.FuncForPC(ref.Pointer()).Name())
}
New = func(msg string) error {
if msg == "" {
return nil
}
return errors.New(msg)
}
Wrap = func(err error, msg string) error {
if err != nil {
if msg != "" {
return errors.Wrap(err, msg)
}
return err
}
return New(msg)
}
Wrapf = func(err error, format string, args ...interface{}) error {
if err != nil {
if format != "" && len(args) > 0 {
return errors.Wrapf(err, format, args...)
}
return err
}
return Errorf(format, args...)
}
Cause = func(err error) error {
if err != nil {
return errors.Cause(err)
}
return nil
}
Errorf = func(format string, args ...interface{}) error {
if format != "" && args != nil && len(args) > 0 {
return errors.Errorf(format, args...)
}
return nil
}
As = errors.As
Is = errors.Is
UnWrapOnce = errbase.UnwrapOnce
UnWrapAll = errbase.UnwrapAll
)