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
58
59
60
61
62
63
64
65
66
|
package query
import (
"encoding/xml"
"io/ioutil"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/request"
)
type xmlErrorResponse struct {
XMLName xml.Name `xml:"ErrorResponse"`
Code string `xml:"Error>Code"`
Message string `xml:"Error>Message"`
RequestID string `xml:"RequestId"`
}
type xmlServiceUnavailableResponse struct {
XMLName xml.Name `xml:"ServiceUnavailableException"`
}
// UnmarshalErrorHandler is a name request handler to unmarshal request errors
var UnmarshalErrorHandler = request.NamedHandler{Name: "awssdk.query.UnmarshalError", Fn: UnmarshalError}
// UnmarshalError unmarshals an error response for an AWS Query service.
func UnmarshalError(r *request.Request) {
defer r.HTTPResponse.Body.Close()
bodyBytes, err := ioutil.ReadAll(r.HTTPResponse.Body)
if err != nil {
r.Error = awserr.New("SerializationError", "failed to read from query HTTP response body", err)
return
}
// First check for specific error
resp := xmlErrorResponse{}
decodeErr := xml.Unmarshal(bodyBytes, &resp)
if decodeErr == nil {
reqID := resp.RequestID
if reqID == "" {
reqID = r.RequestID
}
r.Error = awserr.NewRequestFailure(
awserr.New(resp.Code, resp.Message, nil),
r.HTTPResponse.StatusCode,
reqID,
)
return
}
// Check for unhandled error
servUnavailResp := xmlServiceUnavailableResponse{}
unavailErr := xml.Unmarshal(bodyBytes, &servUnavailResp)
if unavailErr == nil {
r.Error = awserr.NewRequestFailure(
awserr.New("ServiceUnavailableException", "service is unavailable", nil),
r.HTTPResponse.StatusCode,
r.RequestID,
)
return
}
// Failed to retrieve any error message from the response body
r.Error = awserr.New("SerializationError",
"failed to decode query XML error response", decodeErr)
}
|
