AutoIt

Call an AWS Lambda Function

See more AWS Misc Examples

Demonstrates how to call an AWS Lambda function. AutoIt

Local $bSuccess = False

;  This example requires the Chilkat API to have been previously unlocked.
;  See Global Unlock Sample for sample code.

$oRest = ObjCreate("Chilkat.Rest")

;  Connect to the Amazon AWS REST server.
;  such as https://email.us-west-2.amazonaws.com/
Local $bTls = True
Local $iPort = 443
Local $bAutoReconnect = True

;  -------------------------------------------------------------------------------------------
;  Note: The source of the lambda function (hosted on AWS) is shown at the bottom of this page.
;  --------------------------------------------------------------------------------------------

;  If your lambda function URL is: https://itwxyj3vd6gjtaerbfqnfccs2e0fplzh.lambda-url.us-west-2.on.aws/
;  then use just the domain part here:
$bSuccess = $oRest.Connect("itwxyj3vd6gjtaerbfqnfccs2e0fplzh.lambda-url.us-west-2.on.aws",$iPort,$bTls,$bAutoReconnect)

;  Provide AWS credentials for the REST call.
$oAuthAws = ObjCreate("Chilkat.AuthAws")
$oAuthAws.AccessKey = "AWS_ACCESS_KEY"
$oAuthAws.SecretKey = "AWS_SECRET_KEY"
;  the region should match our domain above..
$oAuthAws.Region = "us-west-2"
$oAuthAws.ServiceName = "lambda"

$oRest.SetAuthAws($oAuthAws)

$oJson = ObjCreate("Chilkat.JsonObject")
$oJson.UpdateString("name","Benny")

$oRest.AddHeader("Content-Type","application/json")

$oSbRequestBody = ObjCreate("Chilkat.StringBuilder")
$oJson.EmitSb($oSbRequestBody)

$oSbResponseBody = ObjCreate("Chilkat.StringBuilder")
$bSuccess = $oRest.FullRequestSb("POST","/",$oSbRequestBody,$oSbResponseBody)
If ($bSuccess = False) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

Local $iStatusCode = $oRest.ResponseStatusCode
If ($iStatusCode >= 400) Then
    ConsoleWrite("Response Status Code: " & $iStatusCode & @CRLF)
    ConsoleWrite("Response Body: " & $oSbResponseBody.GetAsString() & @CRLF)
    ConsoleWrite("Failed." & @CRLF)
    Exit
EndIf

ConsoleWrite("Response Body:" & @CRLF)
ConsoleWrite($oSbResponseBody.GetAsString() & @CRLF)

JavaScript

export const handler = async (event) => {

    let body = "Hello World";

    if (event.body) {
        const input = JSON.parse(event.body);
        if (input.name) {
            body = "Hello " + input.name;
        }
    }

    return {
        statusCode: 200,
        headers: {
            "Content-Type": "application/json"
        },
        body: JSON.stringify({
            message: body
        })
    };
};