99 lines
2.9 KiB
Go
99 lines
2.9 KiB
Go
|
// Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
|
||
|
|
|
||
|
|
package common
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
"fmt"
|
||
|
|
"io/ioutil"
|
||
|
|
"net/http"
|
||
|
|
)
|
||
|
|
|
||
|
|
// ServiceError models all potential errors generated the service call
|
||
|
|
type ServiceError interface {
|
||
|
|
// The http status code of the error
|
||
|
|
GetHTTPStatusCode() int
|
||
|
|
|
||
|
|
// The human-readable error string as sent by the service
|
||
|
|
GetMessage() string
|
||
|
|
|
||
|
|
// A short error code that defines the error, meant for programmatic parsing.
|
||
|
|
// See https://docs.cloud.oracle.com/Content/API/References/apierrors.htm
|
||
|
|
GetCode() string
|
||
|
|
|
||
|
|
// Unique Oracle-assigned identifier for the request.
|
||
|
|
// If you need to contact Oracle about a particular request, please provide the request ID.
|
||
|
|
GetOpcRequestID() string
|
||
|
|
}
|
||
|
|
|
||
|
|
type servicefailure struct {
|
||
|
|
StatusCode int
|
||
|
|
Code string `json:"code,omitempty"`
|
||
|
|
Message string `json:"message,omitempty"`
|
||
|
|
OpcRequestID string `json:"opc-request-id"`
|
||
|
|
}
|
||
|
|
|
||
|
|
func newServiceFailureFromResponse(response *http.Response) error {
|
||
|
|
var err error
|
||
|
|
|
||
|
|
se := servicefailure{
|
||
|
|
StatusCode: response.StatusCode,
|
||
|
|
Code: "BadErrorResponse",
|
||
|
|
OpcRequestID: response.Header.Get("opc-request-id")}
|
||
|
|
|
||
|
|
//If there is an error consume the body, entirely
|
||
|
|
body, err := ioutil.ReadAll(response.Body)
|
||
|
|
if err != nil {
|
||
|
|
se.Message = fmt.Sprintf("The body of the response was not readable, due to :%s", err.Error())
|
||
|
|
return se
|
||
|
|
}
|
||
|
|
|
||
|
|
err = json.Unmarshal(body, &se)
|
||
|
|
if err != nil {
|
||
|
|
Debugf("Error response could not be parsed due to: %s", err.Error())
|
||
|
|
se.Message = fmt.Sprintf("Failed to parse json from response body due to: %s. With response body %s.", err.Error(), string(body[:]))
|
||
|
|
return se
|
||
|
|
}
|
||
|
|
return se
|
||
|
|
}
|
||
|
|
|
||
|
|
func (se servicefailure) Error() string {
|
||
|
|
return fmt.Sprintf("Service error:%s. %s. http status code: %d. Opc request id: %s",
|
||
|
|
se.Code, se.Message, se.StatusCode, se.OpcRequestID)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (se servicefailure) GetHTTPStatusCode() int {
|
||
|
|
return se.StatusCode
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
func (se servicefailure) GetMessage() string {
|
||
|
|
return se.Message
|
||
|
|
}
|
||
|
|
|
||
|
|
func (se servicefailure) GetCode() string {
|
||
|
|
return se.Code
|
||
|
|
}
|
||
|
|
|
||
|
|
func (se servicefailure) GetOpcRequestID() string {
|
||
|
|
return se.OpcRequestID
|
||
|
|
}
|
||
|
|
|
||
|
|
// IsServiceError returns false if the error is not service side, otherwise true
|
||
|
|
// additionally it returns an interface representing the ServiceError
|
||
|
|
func IsServiceError(err error) (failure ServiceError, ok bool) {
|
||
|
|
failure, ok = err.(servicefailure)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
type deadlineExceededByBackoffError struct{}
|
||
|
|
|
||
|
|
func (deadlineExceededByBackoffError) Error() string {
|
||
|
|
return "now() + computed backoff duration exceeds request deadline"
|
||
|
|
}
|
||
|
|
|
||
|
|
// DeadlineExceededByBackoff is the error returned by Call() when GetNextDuration() returns a time.Duration that would
|
||
|
|
// force the user to wait past the request deadline before re-issuing a request. This enables us to exit early, since
|
||
|
|
// we cannot succeed based on the configured retry policy.
|
||
|
|
var DeadlineExceededByBackoff error = deadlineExceededByBackoffError{}
|