dsiv4041 2018-03-22 05:07
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一个Go二进制文件中可能有多个lambda函数吗?

I am experimenting with Go on AWS lambda, and i found that each function requires a binary to be uploaded for execution.

My question is that, is it possible to have a single binary that can have two different Handler functions, which can be loaded by two different lambda functions.

for example

func Handler(request events.APIGatewayProxyRequest) (events.APIGatewayProxyResponse, error) {
    fmt.Println("Received body in Handler 1: ", request.Body)

    return events.APIGatewayProxyResponse{Body: request.Body, StatusCode: 200}, nil
}
func Handler1(request events.APIGatewayProxyRequest) (events.APIGatewayProxyResponse, error) {
    fmt.Println("Received body in Handler 2: ", request.Body)

    return events.APIGatewayProxyResponse{Body: request.Body, StatusCode: 200}, nil
}

func EndPoint1() {
    lambda.Start(Handler)
}
func EndPoint2() {
    lambda.Start(Handler1)
}

and calling the EndPoints in main in such a way that it registers both the EndPoints and the same binary would be uploaded to both the functions MyFunction1 and MyFunction2.

I understand that having two different binary is good because it reduces the load/size of each function.

But this is just an experimentation.

Thanks in advance :)

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  • dongliao9233 2018-03-22 18:15
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    I believe it is not possible since Lambda console says the handler is the name of the executable file:

    Handler: The executable file name value. For example, "myHandler" would call the main function in the package “main” of the myHandler executable program.

    So one single executable file is unable to host two different handlers.

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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