Looking for a way to get the source ip from requests

[l1x]

I am using http_lambda with Tower / Axum in Rust and I was wondering if there is a way to get the source IP where the request is coming from.

I used to be able to do that in Python with source_ip = request.client.host. I am not sure what are the modes where this is possible.

Is it possible when CloudFront directly sending traffic to the Lambda function? Is this possible at all?

This does not work:

use lambda_http::ext::extensions::RequestExt;

async fn get_request_details(request: Request) -> RequestDetails {
    let ctx = request.lambda_context_ref();

    match ctx {
        Some(cc) => info!("{:?}", cc),
        None => info!("No client context"),
    }

    RequestDetails {
        client_ip: "127.0.0.1".parse(),
    }
}

[l1x]

As it turns out it is really simple:

let ctx: lambda_http::request::RequestContext = request.request_context();
info!("{:?}", ctx);

ApiGatewayV2(ApiGatewayV2httpRequestContext { route_key: Some("$default"), account_id: Some("anonymous"), stage: Some("$default"), request_id: Some("a2cc41b3-25ec-4271-b920-42436b132b87"), authorizer: None, apiid: Some("rnwi3vgflhmpqsfimm2gv6bq6m0slffd"), domain_name: Some("rnwi3vgflhmpqsfimm2gv6bq6m0slffd.lambda-url.eu-west-1.on.aws"), domain_prefix: Some("rnwi3vgflhmpqsfimm2gv6bq6m0slffd"), time: Some("07/Jan/2024:19:34:11 +0000"), time_epoch: 1704656051745, http: ApiGatewayV2httpRequestContextHttpDescription { method: POST, path: Some("/view/auth/magic-link"), protocol: Some("HTTP/1.1"), source_ip: Some("11.23.33.55"), user_agent: Some("curl/8.1.2") }, authentication: None })

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