Merge pull request #2964 from comtravo/fix/lambda-update-function-con…

…figuration

resource/aws_lambda_function: Make rate limit errors retryable

aws/resource_aws_lambda_function.go

@@ -639,10 +639,24 @@ func resourceAwsLambdaFunctionUpdate(d *schema.ResourceData, meta interface{}) e
 
 	if configUpdate {
 		log.Printf("[DEBUG] Send Update Lambda Function Configuration request: %#v", configReq)
-		_, err := conn.UpdateFunctionConfiguration(configReq)
+
+		err := resource.Retry(10*time.Minute, func() *resource.RetryError {
+			_, err := conn.UpdateFunctionConfiguration(configReq)
+			if err != nil {
+				log.Printf("[DEBUG] Received error modifying Lambda Function Configuration %s: %s", d.Id(), err)
+
+				if isAWSErr(err, "InvalidParameterValueException", "Your request has been throttled by EC2, please make sure you have enough API rate limit.") {
+					log.Printf("[DEBUG] Received %s, retrying UpdateFunctionConfiguration", err)
+					return resource.RetryableError(err)
+				}
+				return resource.NonRetryableError(err)
+			}
+			return nil
+		})
 		if err != nil {
 			return fmt.Errorf("Error modifying Lambda Function Configuration %s: %s", d.Id(), err)
 		}
+
 		d.SetPartial("description")
 		d.SetPartial("handler")
 		d.SetPartial("memory_size")