我正在尝试从 API 网关端点代理配置为网站的 S3 存储桶。我使用控制台成功配置了端点,但无法使用 Cloudformation 重新创建配置。
经过大量的试验、错误和猜测,我想出了以下 CF 堆栈模板,它让我非常接近:
Resources:
Api:
Type: 'AWS::ApiGateway::RestApi'
Properties:
Name: ApiDocs
Resource:
Type: 'AWS::ApiGateway::Resource'
Properties:
ParentId: !GetAtt Api.RootResourceId
RestApiId: !Ref Api
PathPart: '{proxy+}'
RootMethod:
Type: 'AWS::ApiGateway::Method'
Properties:
HttpMethod: ANY
ResourceId: !GetAtt Api.RootResourceId
RestApiId: !Ref Api
AuthorizationType: NONE
Integration:
IntegrationHttpMethod: ANY
Type: HTTP_PROXY
Uri: 'http://my-bucket.s3-website-${AWS::Region}.amazonaws.com/'
PassthroughBehavior: WHEN_NO_MATCH
IntegrationResponses:
- StatusCode: 200
ProxyMethod:
Type: 'AWS::ApiGateway::Method'
Properties:
HttpMethod: ANY
ResourceId: !Ref Resource
RestApiId: !Ref Api
AuthorizationType: NONE
RequestParameters:
method.request.path.proxy: true
Integration:
CacheKeyParameters:
- 'method.request.path.proxy'
RequestParameters:
integration.request.path.proxy: 'method.request.path.proxy'
IntegrationHttpMethod: ANY
Type: HTTP_PROXY
Uri: 'http://my-bucket.s3-website-${AWS::Region}.amazonaws.com/{proxy}'
PassthroughBehavior: WHEN_NO_MATCH
IntegrationResponses:
- StatusCode: 200
Deployment:
DependsOn:
- RootMethod
- ProxyMethod
Type: 'AWS::ApiGateway::Deployment'
Properties:
RestApiId: !Ref Api
StageName: dev
使用此模板我可以成功获取存储桶网站的根目录,但代理资源给了我一个 500:
curl -i https://abcdef.execute-api.eu-west-1.amazonaws.com/dev/index.html
HTTP/1.1 500 Internal Server Error
Content-Type: application/json
Content-Length: 36
Connection: keep-alive
Date: Mon, 11 Dec 2017 16:36:02 GMT
x-amzn-RequestId: 6014a809-de91-11e7-95e4-dda6e24d156a
X-Cache: Error from cloudfront
Via: 1.1 8f6f9aba914cc74bcbbf3c57e10df26a.cloudfront.net (CloudFront)
X-Amz-Cf-Id: TlOCX3eemHfY0aiVk9MLCp4qFzUEn5I0QUTIPkh14o6-nh7YAfUn5Q==
{"message": "Internal server error"}
我不知道如何调试那个 500。
为了找出可能出现的问题,我比较了aws apigateway get-resource
在我在控制台中手动创建的资源(正在运行)和 Cloudformation 制作的资源(未运行)上。资源看起来完全一样。的输出get-method
然而,略有不同,我不确定是否可以使用 Cloudformation 使它们完全相同。
工作方式配置:
{
"apiKeyRequired": false,
"httpMethod": "ANY",
"methodIntegration": {
"integrationResponses": {
"200": {
"responseTemplates": {
"application/json": null
},
"statusCode": "200"
}
},
"passthroughBehavior": "WHEN_NO_MATCH",
"cacheKeyParameters": [
"method.request.path.proxy"
],
"requestParameters": {
"integration.request.path.proxy": "method.request.path.proxy"
},
"uri": "http://muybucket.s3-website-eu-west-1.amazonaws.com/{proxy}",
"httpMethod": "ANY",
"cacheNamespace": "abcdefg",
"type": "HTTP_PROXY"
},
"requestParameters": {
"method.request.path.proxy": true
},
"authorizationType": "NONE"
}
不起作用的配置:
{
"apiKeyRequired": false,
"httpMethod": "ANY",
"methodIntegration": {
"integrationResponses": {
"200": {
"responseParameters": {},
"responseTemplates": {},
"statusCode": "200"
}
},
"passthroughBehavior": "WHEN_NO_MATCH",
"cacheKeyParameters": [
"method.request.path.proxy"
],
"requestParameters": {
"integration.request.path.proxy": "method.request.path.proxy"
},
"uri": "http://mybucket.s3-website-eu-west-1.amazonaws.com/{proxy}",
"httpMethod": "ANY",
"requestTemplates": {},
"cacheNamespace": "abcdef",
"type": "HTTP_PROXY"
},
"requestParameters": {
"method.request.path.proxy": true
},
"requestModels": {},
"authorizationType": "NONE"
}
差异:
- 工作配置有
responseTemplates
set to "application/json": null
。据我所知,没有办法明确设置映射null
使用云信息。我的 CF 方法在这里只有一个空对象。
- 我的CF方法有
"responseParameters": {},
,而工作配置没有responseParameters
at all
- 我的CF方法有
"requestModels": {},
,而工作配置没有requestModels
at all
在控制台中比较两者,看起来完全一样。
我现在束手无策:我做错了什么?使用 Cloudformation 可以实现这一点吗?