-
Notifications
You must be signed in to change notification settings - Fork 0
/
errclassifier.go
57 lines (49 loc) · 1.47 KB
/
errclassifier.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
// Copyright 2021 The s3iot authors.
//
// 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
//
// http://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 awss3v2
import (
"errors"
"time"
"github.com/aws/aws-sdk-go-v2/aws/retry"
)
// ErrorClassifier classifies aws-sdk-go (v1) errors.
type ErrorClassifier struct {
ThrottleWait time.Duration
}
// DefaultThrottleWait is a default wait duration on throttle.
var DefaultThrottleWait = 5 * time.Second
// IsRetryable implements ErrorClassifier.
func (ErrorClassifier) IsRetryable(err error) bool {
for _, retryable := range retry.DefaultRetryables {
if retryable.IsErrorRetryable(err).Bool() {
return true
}
}
return false
}
type errorCode interface {
ErrorCode() string
}
// IsThrottle implements ErrorClassifier.
func (c ErrorClassifier) IsThrottle(err error) (time.Duration, bool) {
var v errorCode
if errors.As(err, &v) && v.ErrorCode() == "SlowDown" {
wait := c.ThrottleWait
if wait == 0 {
return DefaultThrottleWait, true
}
return wait, true
}
return 0, false
}