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Signed-off-by: Yassine TIJANI <ytijani@vmware.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| /* | ||
| Copyright 2018 The Kubernetes 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 aws | ||
|
|
||
| import ( | ||
| "net/http" | ||
|
|
||
| "github.com/aws/aws-sdk-go/aws/awserr" | ||
| "github.com/aws/aws-sdk-go/service/elbv2" | ||
| "github.com/pkg/errors" | ||
| ) | ||
|
|
||
| var _ error = &ELBError{} | ||
|
|
||
| // ELBError is an error exposed to users of this library. | ||
| type ELBError struct { //nolint | ||
| err error | ||
|
|
||
| Code int | ||
| } | ||
|
|
||
| // Error implements the Error interface. | ||
| func (e *ELBError) Error() string { | ||
| return e.err.Error() | ||
| } | ||
|
|
||
| // NewNotFound returns a new error which indicates that the resource of the kind and the name was not found. | ||
| func NewNotFound(err error) error { | ||
| return &ELBError{ | ||
| err: err, | ||
| Code: http.StatusNotFound, | ||
| } | ||
| } | ||
|
|
||
| // NewConflict returns a new error which indicates that the request cannot be processed due to a conflict. | ||
| func NewConflict(err error) error { | ||
| return &ELBError{ | ||
| err: err, | ||
| Code: http.StatusConflict, | ||
| } | ||
| } | ||
|
|
||
| // IsNotFound returns true if the error was created by NewNotFound. | ||
| func IsNotFound(err error) bool { | ||
| if ReasonForError(err) == http.StatusNotFound { | ||
| return true | ||
| } | ||
| if code, ok := Code(errors.Cause(err)); ok { | ||
| switch code { | ||
| case elbv2.ErrCodeListenerNotFoundException: | ||
| return true | ||
| case elbv2.ErrCodeLoadBalancerNotFoundException: | ||
| return true | ||
| case elbv2.ErrCodeTargetGroupNotFoundException: | ||
| return true | ||
| } | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| // IsConflict returns true if the error was created by NewConflict. | ||
| func IsConflict(err error) bool { | ||
| return ReasonForError(err) == http.StatusConflict | ||
| } | ||
|
|
||
| // IsSDKError returns true if the error is of type awserr.Error. | ||
| func IsSDKError(err error) (ok bool) { | ||
| _, ok = errors.Cause(err).(awserr.Error) | ||
| return | ||
| } | ||
|
|
||
| // ReasonForError returns the HTTP status for a particular error. | ||
| func ReasonForError(err error) int { | ||
| switch t := errors.Cause(err).(type) { | ||
| case *ELBError: | ||
| return t.Code | ||
| } | ||
| return -1 | ||
| } | ||
|
|
||
| // Code returns the AWS error code as a string | ||
| func Code(err error) (string, bool) { | ||
| if awserr, ok := err.(awserr.Error); ok { | ||
| return awserr.Code(), true | ||
| } | ||
| return "", false | ||
| } |
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