AWS API Gateway错误：API Gateway无权将提供的角色假定为S3代理

Question

有类似的问题，但他们有我尝试过的答案。 我不确定我做错了什么，但任何帮助都会赞赏。

测试详情：

方法执行测试的错误; PUT请求：

Execution log for request test-request
Mon Oct 16 10:13:47 UTC 2017 : Starting execution for request: test-invoke-request
Mon Oct 16 10:13:47 UTC 2017 : HTTP Method: PUT, Resource Path: /pop-data-xmlz/test.xml
Mon Oct 16 10:13:47 UTC 2017 : Method request path: {item=test.xml, folder=pop-data-xmlz}
Mon Oct 16 10:13:47 UTC 2017 : Method request query string: {}
Mon Oct 16 10:13:47 UTC 2017 : Method request headers: {Content-Type=application/xml}
Mon Oct 16 10:13:47 UTC 2017 : Method request body before transformations: <test>
test string
</test>
Mon Oct 16 10:13:47 UTC 2017 : Request validation succeeded for content type application/json
Mon Oct 16 10:13:47 UTC 2017 : Execution failed due to configuration error: API Gateway does not have permission to assume the provided role
Mon Oct 16 10:13:47 UTC 2017 : Method completed with status: 500

我正在关注API Gateway To S3教程（http://docs.aws.amazon.com/apigateway/latest/developerguide/integrating-api-with-aws-services-s3.html）并尝试执行PUT请求。

API网关位于us-east-1，而S3存储桶位于us-east-2。

创建的角色： APIGatewayProxyCustom

附加了一个策略（pop-date-ingest），允许PUT请求到S3存储桶。

角色具有信任关系集：

Answer 1

要解决此问题，请转到您的IAM中的角色，然后选择“信任关系”标签。从这里编辑策略，并为主要服务添加“apigateway.amazonaws.com”，如下所示。除了现有的lambda权限之外，这将授予API网关承担运行函数的角色的能力。

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