aws-cloudformation - REST API openapi 规范 AWS API Gateway 与 serverless.com 框架集成

Question

我正在试用由 AWS 作为提供商的 serverless.com。我想使用 API Gateway 和 Lambda 制作一个简单的 hello world 应用程序，在其中我根据 openapi 规范发布 API。

我在这个forum post中看到过我需要将规范声明为 serverless.yml 文件中的资源，但是这样做时，在执行 sls deploy 时出现以下错误:

我认为我基本上是正确的，除了在 openapi 规范文件中我不知道如何正确引用我正在创建的 API 的 URI。这就是我收到错误的原因吗？

  Serverless Error ---------------------------------------

  An error occurred: ApiGatewayRestApi - Errors found during import:
    Unable to put integration on 'GET' for resource at path '/hello': Invalid function ARN or invalid uri (Service: AmazonApiGateway; Status Code: 400; Error Code: BadRequestException; Request ID: ...).

  Get Support --------------------------------------------
     Docs:          docs.serverless.com
     Bugs:          github.com/serverless/serverless/issues
     Issues:        forum.serverless.com

  Your Environment Information ---------------------------
     Operating System:          darwin
     Node Version:              12.16.2
     Framework Version:         1.67.3
     Plugin Version:            3.6.6
     SDK Version:               2.3.0
     Components Version:        2.29.3

我正在尝试我能想到的最简单的例子:

# serverless.yml
service: accounts-api

provider:
  name: aws
  apiName: accounts
  runtime: nodejs12.x
  stage: dev
  region: ap-southeast-2

functions:
  hello:
    handler: functions/handler.hello
    events:
      - http:
           path: /accounts
           method: GET

# The resources attribute will be sent directly to CloudFormation in raw format
resources:
    Resources:
      ApiGatewayRestApi:
        Type: 'AWS::ApiGateway::RestApi'
        Properties:
          Name: ${self:provider.apiName}-${self:provider.stage}
          Body:
            ${file(specs/simple-spec.yml)}
      ApiGatewayDeployment:
        Type: AWS::ApiGateway::Deployment
        Properties:
          RestApiId:
            Ref: ApiGatewayRestApi
          StageName: ${self:provider.stage}

和 openapi 规范:

openapi: 3.0.0
info:
  version: 1.0.0
  title: Hello API
  description: Returns a hello world message

paths:
  /hello:
    get:
      description: Returns a hello world message              
      responses:
        '200':
          description: Successful response
      security:
      - api_key: []
      x-amazon-apigateway-auth:
        type: none          
      x-amazon-apigateway-integration:
         x-amazon-apigateway-integration:
         type: aws_proxy
         uri: arn:aws:apigateway:ap-southeast-2:lambda:path/2015-03-31/functions/arn:aws:lambda:ap-southeast-2:idAccount:function:hello/invocations
         httpMethod: GET
         passthroughBehavior: when_no_templates
         payloadFormatVersion: 1.0

Answer 1

在您的 serverless.yml 文件中，您将在 region: ap-southeast-2 但在 openapi 定义内创建 lambda (uri: arn:aws:apigateway:ap-northeast- 1:lambda...) 您正在引用不同的区域:ap-northeast-1