Example #1
0
func (infra *Infrastructure) createLambdaFunction(roleArn string, payload []byte) error {
	svc := lambda.New(session.New(), infra.config)

	_, err := svc.GetFunction(&lambda.GetFunctionInput{
		FunctionName: aws.String("goad"),
	})

	if err != nil {
		if awsErr, ok := err.(awserr.Error); ok {
			if awsErr.Code() == "ResourceNotFoundException" {
				_, err := svc.CreateFunction(&lambda.CreateFunctionInput{
					Code: &lambda.FunctionCode{
						ZipFile: payload,
					},
					FunctionName: aws.String("goad"),
					Handler:      aws.String("index.handler"),
					Role:         aws.String(roleArn),
					Runtime:      aws.String("nodejs"),
					Description:  aws.String("Description"),
					MemorySize:   aws.Int64(128),
					Publish:      aws.Bool(true),
					Timeout:      aws.Int64(300),
				})
				if err != nil {
					if awsErr, ok := err.(awserr.Error); ok {
						// Calling this function too soon after creating the role might
						// fail, so we should retry after a little while.
						// TODO: limit the number of retries.
						if awsErr.Code() == "InvalidParameterValueException" {
							time.Sleep(time.Second)
							return infra.createLambdaFunction(roleArn, payload)
						}
					}
					return err
				}
			}
		}
	}

	return nil
}
Example #2
0
func setChecksumError(r *request.Request, format string, args ...interface{}) {
	r.Retryable = aws.Bool(true)
	r.Error = awserr.New("InvalidChecksum", fmt.Sprintf(format, args...), nil)
}
Example #3
0
				}
				return
			}
		}
		if r.HTTPResponse == nil {
			// Add a dummy request response object to ensure the HTTPResponse
			// value is consistent.
			r.HTTPResponse = &http.Response{
				StatusCode: int(0),
				Status:     http.StatusText(int(0)),
				Body:       ioutil.NopCloser(bytes.NewReader([]byte{})),
			}
		}
		// Catch all other request errors.
		r.Error = awserr.New("RequestError", "send request failed", err)
		r.Retryable = aws.Bool(true) // network errors are retryable
	}
}}

// ValidateResponseHandler is a request handler to validate service response.
var ValidateResponseHandler = request.NamedHandler{Name: "core.ValidateResponseHandler", Fn: func(r *request.Request) {
	if r.HTTPResponse.StatusCode == 0 || r.HTTPResponse.StatusCode >= 300 {
		// this may be replaced by an UnmarshalError handler
		r.Error = awserr.New("UnknownError", "unknown error", nil)
	}
}}

// AfterRetryHandler performs final checks to determine if the request should
// be retried and how long to delay.
var AfterRetryHandler = request.NamedHandler{Name: "core.AfterRetryHandler", Fn: func(r *request.Request) {
	// If one of the other handlers already set the retry state