rds.ModifyDBClusterInput (ScalingConfiguration.MinCapacity) Fail

[ptilotta]

Hi,

We use this function in a AWS Lambda, but we're having the error of

runtime error: invalid memory address or nil pointer dereference: errorString
[{"path":"github.com/aws/aws-lambda-go@v1.24.0/lambda/errors.go","line":39,"label":"lambdaPanicResponse"},{"path":"github.com/aws/aws-lambda-go@v1.24.0/lambda/function.go","line":36,"label":"(Function).Invoke.func1"},{"path":"runtime/panic.go","line":679,"label":"gopanic"},{"path":"runtime/panic.go","line":199,"label":"panicmem"},{"path":"runtime/signal_unix.go","line":394,"label":"sigpanic"},{"path":"Lamda/main.go","line":55,"label":"HandlerAcus"},{"path":"reflect/value.go","line":460,"label":"Value.call"},{"path":"reflect/value.go","line":321,"label":"Value.Call"},{"path":"github.com/aws/aws-lambda-go@v1.24.0/lambda/handler.go","line":124,"label":"NewHandler.func1"},{"path":"github.com/aws/aws-lambda-go@v1.24.0/lambda/handler.go","line":24,"label":"lambdaHandler.Invoke"},{"path":"github.com/aws/aws-lambda-go@v1.24.0/lambda/function.go","line":64,"label":"(Function).Invoke"},{"path":"reflect/value.go","line":460,"label":"Value.call"},{"path":"reflect/value.go","line":321,"label":"Value.Call"},{"path":"net/rpc/server.go","line":377,"label":"(*service).call"},{"path":"runtime/asm_amd64.s","line":1357,"label":"goexit"}]

the code is

`func main() {
lambda.Start(proceso)
}

func proceso(parametros Parametros) {
cfg, err := config.LoadDefaultConfig(context.TODO(), config.WithRegion("us-east-1"))
if err != nil {
log.Fatalf("unable to load SDK config, %v", err)
}

acusN32 := int32(parametros.Acus)

svc := rds.NewFromConfig(cfg)

// Configura el objeto rds.ModifyCurrentDBClusterCapacityInput
var param rds.ModifyDBClusterInput
param.ScalingConfiguration.MinCapacity = &acusN32
param.DBClusterIdentifier = &parametros.Instancia

/* resp, err := svc.ModifyCurrentDBClusterCapacity(context.TODO(), &param) */
resp, err := svc.ModifyDBCluster(context.TODO(),  &param)

if err != nil {
	log.Fatalf("falló al modificar ACUS, %v", err)
} else {
	log.Println("Los ACUS de " + *&parametros.Instancia + " quedaron seteados en " + string(*resp.DBCluster.Capacity))
}

}
`

The line error is this
var param rds.ModifyDBClusterInput param.ScalingConfiguration.MinCapacity = &acusN32 param.DBClusterIdentifier = &parametros.Instancia

What's Wrong ?

Thanks

[marc-ostrow]

What version were you targeting. The latest service operation API for ModifyCurrentDBClusterCapacity (as of 17a3908) does not have a ScalingConfiguration attribute in its input structure, nor does it have the DBCluster attribute in its output structure.