aws_api_gateway_deployment: Error creating API Gateway Deployment: BadRequestException: No integration defined for method

[kwhitejr]

This error message feels like a perennial issue for aws_api_gateway_deployment. I want to deploy an API Gateway REST API with OpenAPI Spec. I've followed the official example and advice as closely as possible, and read through previous reports (11344 and official reply), but I still encounter error Error creating API Gateway Deployment: BadRequestException: No integration defined for method with the following setup. This is not a production app (yet), so I can freely destroy and (re-)apply, but hasn't helped yet.

I also gave it a try with a depends_on block in the deployment, but it made no difference.

Versions

Terraform v1.0.8
hashicorp/aws v3.62.0. <-- fwiw, I also gave v2.x.x a go and same result

modules/api-gateway/main.tf

resource "aws_api_gateway_rest_api" "rest_api" {
  name           = "${var.application_name} API"
  description    = var.description
  api_key_source = "HEADER"
  body = templatefile("${path.module}/../../../docs/api.yaml", {
    region         = var.region
    lambda_arn     = var.lambda_arn
    lambda_timeout = 29000
  })

  endpoint_configuration {
    types = ["REGIONAL"]
  }
}

resource "aws_api_gateway_deployment" "deployment" {
  rest_api_id = aws_api_gateway_rest_api.rest_api.id

  lifecycle {
    create_before_destroy = true
  }

  triggers = {
    redeployment = sha1(jsonencode(aws_api_gateway_rest_api.rest_api.body))
  }
}

resource "aws_api_gateway_stage" "stage" {
  deployment_id = aws_api_gateway_deployment.deployment.id
  rest_api_id   = aws_api_gateway_rest_api.rest_api.id
  stage_name    = var.stage_name
}

Error Output

...
module.topics_useast1.module.api_gateway.aws_api_gateway_rest_api.rest_api: Creating...
module.topics_useast1.module.api_gateway.aws_api_gateway_rest_api.rest_api: Creation complete after 3s [id=pdtajs9c1m]
module.topics_useast1.module.api_gateway.aws_lambda_permission.apig_to_lambda: Creating...
module.topics_useast1.module.api_gateway.aws_api_gateway_deployment.deployment: Creating...
module.topics_useast1.module.api_gateway.aws_lambda_permission.apig_to_lambda: Creation complete after 1s [id=AllowExecutionFromAPIGateway]
╷
│ Error: Error creating API Gateway Deployment: BadRequestException: No integration defined for method
│
│   with module.topics_useast1.module.api_gateway.aws_api_gateway_deployment.deployment,
│   on ../../../modules/api-gateway/main.tf line 16, in resource "aws_api_gateway_deployment" "deployment":
│   16: resource "aws_api_gateway_deployment" "deployment" {

@bflad am I taking crazy pills?

[kwhitejr]

Naturally, my mistake surfaced after I cried wolf. Turns out that my OpenAPI Spec lacked the proper x-amazon-apigateway-integration blocks.

I leave this here as a testament to my shame.

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