How to get request id for Dynamodb and S3 calls using SDK?

[jeevankk]

I can't find the documentation anywhere. When we contacted AWS support regarding another issue they asked us to log the request id. I can't find it anywhere.

[lsegal]

You can get the request ID from the headers of the response:

dynamodb.listTables(function(err, data) {
  console.log(this.httpResponse.headers['x-amzn-requestid']);
});

[jeevankk]

@lsegal

aws-sdk-js/lib/service_interface/rest_json.js

Line 36 in 5ae1bd9

resp.data.RequestId = resp.httpResponse.headers['x-amz-request-id'] ||

According to this line

resp.data.RequestId = resp.httpResponse.headers['x-amz-request-id'] ||
                          resp.httpResponse.headers['x-amzn-requestid'];

you are setting the request id to resp.data.RequestId. Can I access like this.data.RequestId ?

[lsegal]

That is only for REST JSON services. DynamoDB happens to be an RPC JSON service, and not REST based. That said, it would be trivial to copy that same code over to json.rb, which is what the RPC JSON protocol uses.

[jeevankk]

I think request id should be a part of error which is returned by AWS-SDK, since AWS support team will not be able to help us until we provide them the request id.

[lsegal]

Hi @jeevankkwy. I've made the above change that adds a AWS.Response.requestId property that should be accessible from all services. Note that the property is no longer modeled in the "data" bag, which makes it a breaking change (and will only be available in the 2.x releases).

Let me know if you think the request ID is better off in the data property-- it's not too late to move this back, but putting it directly in the response should give it some better documentation visibility.

[lock]

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