mirror of https://github.com/LemmyNet/lemmy.git
84 lines
2.8 KiB
Rust
84 lines
2.8 KiB
Rust
use actix_web::{http::StatusCode, ResponseError};
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use tracing::Span;
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use tracing_actix_web::RootSpanBuilder;
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// Code in this module adapted from DefaultRootSpanBuilder
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// https://github.com/LukeMathWalker/tracing-actix-web/blob/main/src/root_span_builder.rs
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// and root_span!
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// https://github.com/LukeMathWalker/tracing-actix-web/blob/main/src/root_span_macro.rs
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pub struct QuieterRootSpanBuilder;
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impl RootSpanBuilder for QuieterRootSpanBuilder {
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fn on_request_start(request: &actix_web::dev::ServiceRequest) -> Span {
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let request_id = tracing_actix_web::root_span_macro::private::get_request_id(request);
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tracing::info_span!(
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"HTTP request",
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http.method = %request.method(),
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http.scheme = request.connection_info().scheme(),
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http.host = %request.connection_info().host(),
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http.target = %request.uri().path(),
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http.status_code = tracing::field::Empty,
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otel.kind = "server",
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otel.status_code = tracing::field::Empty,
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trace_id = tracing::field::Empty,
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request_id = %request_id,
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exception.message = tracing::field::Empty,
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// Not proper OpenTelemetry, but their terminology is fairly exception-centric
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exception.details = tracing::field::Empty,
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)
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}
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fn on_request_end<B>(
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span: tracing::Span,
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outcome: &Result<actix_web::dev::ServiceResponse<B>, actix_web::Error>,
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) {
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match &outcome {
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Ok(response) => {
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if let Some(error) = response.response().error() {
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// use the status code already constructed for the outgoing HTTP response
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handle_error(span, response.status(), error.as_response_error());
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} else {
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let code: i32 = response.response().status().as_u16().into();
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span.record("http.status_code", code);
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span.record("otel.status_code", "OK");
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}
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}
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Err(error) => {
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let response_error = error.as_response_error();
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handle_error(span, response_error.status_code(), response_error);
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}
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};
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}
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}
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fn handle_error(span: Span, status_code: StatusCode, response_error: &dyn ResponseError) {
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let code: i32 = status_code.as_u16().into();
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span.record("http.status_code", code);
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if status_code.is_client_error() {
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span.record("otel.status_code", "OK");
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} else {
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span.record("otel.status_code", "ERROR");
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}
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// pre-formatting errors is a workaround for https://github.com/tokio-rs/tracing/issues/1565
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let display_error = format!("{response_error}");
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tracing::info_span!(
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parent: None,
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"Error encountered while processing the incoming HTTP request"
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)
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.in_scope(|| {
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if status_code.is_client_error() {
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tracing::warn!("{}", display_error);
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} else {
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tracing::error!("{}", display_error);
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}
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});
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span.record("exception.message", &tracing::field::display(display_error));
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}
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