» Resource: aws_api_gateway_integration

resource "aws_api_gateway_rest_api" "MyDemoAPI" {
  name        = "MyDemoAPI"
  description = "This is my API for demonstration purposes"
}

resource "aws_api_gateway_resource" "MyDemoResource" {
  rest_api_id = "${aws_api_gateway_rest_api.MyDemoAPI.id}"
  parent_id   = "${aws_api_gateway_rest_api.MyDemoAPI.root_resource_id}"
  path_part   = "mydemoresource"
}

resource "aws_api_gateway_method" "MyDemoMethod" {
  rest_api_id   = "${aws_api_gateway_rest_api.MyDemoAPI.id}"
  resource_id   = "${aws_api_gateway_resource.MyDemoResource.id}"
  http_method   = "GET"
  authorization = "NONE"
}

resource "aws_api_gateway_integration" "MyDemoIntegration" {
  rest_api_id          = "${aws_api_gateway_rest_api.MyDemoAPI.id}"
  resource_id          = "${aws_api_gateway_resource.MyDemoResource.id}"
  http_method          = "${aws_api_gateway_method.MyDemoMethod.http_method}"
  type                 = "MOCK"
  cache_key_parameters = ["method.request.path.param"]
  cache_namespace      = "foobar"
  timeout_milliseconds = 29000

  request_parameters = {
    "integration.request.header.X-Authorization" = "'static'"
  }

  # Transforms the incoming XML request to JSON
  request_templates = {
    "application/xml" = <<EOF
{
   "body" : $input.json('$')
}
EOF
  }
}

# Variables
variable "myregion" {}

variable "accountId" {}

# API Gateway
resource "aws_api_gateway_rest_api" "api" {
  name = "myapi"
}

resource "aws_api_gateway_resource" "resource" {
  path_part   = "resource"
  parent_id   = "${aws_api_gateway_rest_api.api.root_resource_id}"
  rest_api_id = "${aws_api_gateway_rest_api.api.id}"
}

resource "aws_api_gateway_method" "method" {
  rest_api_id   = "${aws_api_gateway_rest_api.api.id}"
  resource_id   = "${aws_api_gateway_resource.resource.id}"
  http_method   = "GET"
  authorization = "NONE"
}

resource "aws_api_gateway_integration" "integration" {
  rest_api_id             = "${aws_api_gateway_rest_api.api.id}"
  resource_id             = "${aws_api_gateway_resource.resource.id}"
  http_method             = "${aws_api_gateway_method.method.http_method}"
  integration_http_method = "POST"
  type                    = "AWS_PROXY"
  uri                     = "arn:aws:apigateway:${var.myregion}:lambda:path/2015-03-31/functions/${aws_lambda_function.lambda.arn}/invocations"
}

# Lambda
resource "aws_lambda_permission" "apigw_lambda" {
  statement_id  = "AllowExecutionFromAPIGateway"
  action        = "lambda:InvokeFunction"
  function_name = "${aws_lambda_function.lambda.arn}"
  principal     = "apigateway.amazonaws.com"

  # More: http://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-control-access-using-iam-policies-to-invoke-api.html
  source_arn = "arn:aws:execute-api:${var.myregion}:${var.accountId}:${aws_api_gateway_rest_api.api.id}/*/${aws_api_gateway_method.method.http_method}/${aws_api_gateway_resource.resource.path}"
}

resource "aws_lambda_function" "lambda" {
  filename         = "lambda.zip"
  function_name    = "mylambda"
  role             = "${aws_iam_role.role.arn}"
  handler          = "lambda.lambda_handler"
  runtime          = "python2.7"
  # The filebase64sha256() function is available in Terraform 0.11.12 and later
  # For Terraform 0.11.11 and earlier, use the base64sha256() function and the file() function:
  # source_code_hash = "${base64sha256(file("lambda.zip"))}"
  source_code_hash = "${filebase64sha256("lambda.zip")}"
}

# IAM
resource "aws_iam_role" "role" {
  name = "myrole"

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

variable "name" {}
variable "subnet_id" {}

resource "aws_lb" "test" {
  name               = "${var.name}"
  internal           = true
  load_balancer_type = "network"
  subnets            = ["${var.subnet_id}"]
}

resource "aws_api_gateway_vpc_link" "test" {
  name        = "${var.name}"
  target_arns = ["${aws_lb.test.arn}"]
}

resource "aws_api_gateway_rest_api" "test" {
  name = "${var.name}"
}

resource "aws_api_gateway_resource" "test" {
  rest_api_id = "${aws_api_gateway_rest_api.test.id}"
  parent_id   = "${aws_api_gateway_rest_api.test.root_resource_id}"
  path_part   = "test"
}

resource "aws_api_gateway_method" "test" {
  rest_api_id   = "${aws_api_gateway_rest_api.test.id}"
  resource_id   = "${aws_api_gateway_resource.test.id}"
  http_method   = "GET"
  authorization = "NONE"

  request_models = {
    "application/json" = "Error"
  }
}

resource "aws_api_gateway_integration" "test" {
  rest_api_id = "${aws_api_gateway_rest_api.test.id}"
  resource_id = "${aws_api_gateway_resource.test.id}"
  http_method = "${aws_api_gateway_method.test.http_method}"

  request_templates = {
    "application/json" = ""
    "application/xml"  = "#set($inputRoot = $input.path('$'))\n{ }"
  }

  request_parameters = {
    "integration.request.header.X-Authorization" = "'static'"
    "integration.request.header.X-Foo"           = "'Bar'"
  }

  type                    = "HTTP"
  uri                     = "https://www.google.de"
  integration_http_method = "GET"
  passthrough_behavior    = "WHEN_NO_MATCH"
  content_handling        = "CONVERT_TO_TEXT"

  connection_type = "VPC_LINK"
  connection_id   = "${aws_api_gateway_vpc_link.test.id}"
}

$ terraform import aws_api_gateway_integration.example 12345abcde/67890fghij/GET