lambda.tf

resource "aws_iam_role" "lambda-exec-role" {
  name = "lambda-exec-role"

  assume_role_policy = <<EOF
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Action": "sts:AssumeRole",
      "Principal": {
        "Service": "lambda.amazonaws.com"
      },
      "Effect": "Allow",
      "Sid": ""
    }
  ]
}
EOF
}

resource "aws_lambda_function" "simulator_function" {
  function_name = "simulator_function"
  handler = "example.Main::handleRequest"
  runtime = "java8"

  timeout = 180

  memory_size = "512"

  role = "${aws_iam_role.lambda-exec-role.arn}"

  s3_bucket = "${aws_s3_bucket.artifacts.id}"
  s3_key = "full.jar"
}

resource "aws_lambda_permission" "simulator_function_permission" {
  action = "lambda:InvokeFunction"
  function_name = "${aws_lambda_function.simulator_function.function_name}"
  principal = "apigateway.amazonaws.com"

  statement_id = "AllowExecutionFromAPIGateway"

  source_arn = "${aws_api_gateway_rest_api.simulator-gateway.execution_arn}/*/*/*"
}