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record FoundIn with metrics instead of traces

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This is much more efficient in terms of network use and data storage,
and also easier to visualize.
This commit is contained in:
Charles Hall 2024-06-04 13:26:23 -07:00
parent 9364d44ce2
commit 0c2094a56f
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8 changed files with 142 additions and 68 deletions
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11
src/api/server_server.rs
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@ -67,7 +67,7 @@ use tracing::{debug, error, field, warn};
use crate::{
api::client_server::{self, claim_keys_helper, get_keys_helper},
observability::FoundIn,
observability::{FoundIn, Lookup, METRICS},
service::pdu::{gen_event_id_canonical_json, PduBuilder},
services, utils, Ar, Error, PduEvent, Ra, Result,
};
@ -128,7 +128,7 @@ impl FedDest {
}
}
#[tracing::instrument(skip(request), fields(destination_cache_result, url))]
#[tracing::instrument(skip(request), fields(url))]
pub(crate) async fn send_request<T>(
destination: &ServerName,
request: T,
@ -159,7 +159,7 @@ where
.cloned();
let (actual_destination, host) = if let Some(result) = cached_result {
FoundIn::Cache.record("destination_cache_result");
METRICS.record_lookup(Lookup::FederationDestination, FoundIn::Cache);
result
} else {
write_destination_to_cache = true;
@ -298,7 +298,10 @@ where
let response =
T::IncomingResponse::try_from_http_response(http_response);
if response.is_ok() && write_destination_to_cache {
FoundIn::Remote.record("destination_cache_result");
METRICS.record_lookup(
Lookup::FederationDestination,
FoundIn::Remote,
);
services()
.globals
.actual_destination_cache