feat(logging): Send tracing events at or above INFO to Sentry as logs instead of breadcrumbs (#4820)

Author: lcian

CHANGELOG.md

@@ -18,12 +18,13 @@
 
 - Always combine replay payloads and remove feature flag guarding it. ([#4812](https://github.com/getsentry/relay/pull/4812))
 - Added version 2 of LLM cost specification. ([#4825](https://github.com/getsentry/relay/pull/4825))
+- Send `tracing` events at or above `INFO` to Sentry as logs. ([#4820](https://github.com/getsentry/relay/pull/4820))
 
 ## 25.6.0
 
 **Features**:
 
-- Add logic to extract event json from userdata in prosperodumps. ([#4755](https://github.com/getsentry/relay/pull/4755)
+- Add logic to extract event json from userdata in prosperodumps. ([#4755](https://github.com/getsentry/relay/pull/4755))
 - Add browser name/version to logs. ([#4757](https://github.com/getsentry/relay/pull/4757))
 - Accept standalone spans in the V2 format. This feature is still highly experimental! ([#4771](https://github.com/getsentry/relay/pull/4771))
 - Enable filtering sessions by IP address, release, and user agent. ([#4745](https://github.com/getsentry/relay/pull/4745))

Cargo.lock

@@ -164,11 +164,18 @@ regex-lite = "0.1.6"
 reqwest = "0.12.9"
 rmp-serde = "1.3.0"
 semver = "1.0.23"
-sentry = "0.36.0"
-sentry-core = "0.36.0"
+sentry = { version = "0.41.0", default-features = false, features = [
+    # default features, except `release-health` is disabled
+    "backtrace",
+    "contexts",
+    "debug-images",
+    "panic",
+    "transport"
+]}
+sentry-core = "0.41.0"
 sentry-kafka-schemas = { version = "1.3.2", default-features = false }
 sentry-release-parser = { version = "1.3.2", default-features = false }
-sentry-types = "0.36.0"
+sentry-types = "0.41.0"
 sentry_protos = "0.2.0"
 serde = { version = "1.0.215", features = ["derive", "rc"] }
 serde-transcode = "1.1.1"

Cargo.toml

@@ -20,6 +20,7 @@ relay-crash = { workspace = true, optional = true }
 sentry = { workspace = true, features = [
     "debug-images",
     "tracing",
+    "logs"
 ], optional = true }
 sentry-core = { workspace = true }
 serde = { workspace = true, optional = true }

relay-log/Cargo.toml

@@ -330,11 +330,13 @@ pub unsafe fn init(config: &LogConfig, sentry: &SentryConfig) {
     tracing_subscriber::registry()
         .with(format.with_filter(config.level_filter()))
         .with(
-            // Same as the default filter, except it converts warnings into events instead of breadcrumbs.
+            // Same as the default filter, except it converts warnings into events
+            // and also sends everything at or above INFO as logs instead of breadcrumbs.
             sentry::integrations::tracing::layer().event_filter(|md| match *md.level() {
-                tracing::Level::ERROR => EventFilter::Exception,
-                tracing::Level::WARN => EventFilter::Event,
-                tracing::Level::INFO => EventFilter::Breadcrumb,
+                tracing::Level::ERROR | tracing::Level::WARN => {
+                    EventFilter::Event | EventFilter::Log
+                }
+                tracing::Level::INFO => EventFilter::Log,
                 tracing::Level::DEBUG | tracing::Level::TRACE => EventFilter::Ignore,
             }),
         )

relay-log/src/setup.rs

@@ -20,7 +20,14 @@ mime_guess = "2.0.4"
 minidump-writer = "0.9.0"
 object = "0.36.0"
 rmpv = "1.3.0"
-sentry = "0.36.0"
+sentry = { version = "0.41.0", default-features = false, features = [
+    # default features, except `release-health` is disabled and `reqwest` is explicitly selected as the transport
+    "backtrace",
+    "contexts",
+    "debug-images",
+    "panic",
+    "reqwest",
+]}
 tracing = "0.1.40"
 watto = "0.1.0"
 

relay-prosperoconv/Cargo.toml

@@ -76,7 +76,7 @@ fn make_app(service: ServiceState) -> App {
             HeaderValue::from_static("cross-origin"),
         ))
         .layer(NewSentryLayer::new_from_top())
-        .layer(SentryHttpLayer::with_transaction())
+        .layer(SentryHttpLayer::new().enable_transaction())
         .layer(middlewares::trace_http_layer())
         .map_request(middlewares::remove_empty_encoding)
         .layer(RequestDecompressionLayer::new())

relay-server/src/services/server/mod.rs

@@ -246,6 +246,8 @@ def get_error_message(data):
         exc_msg = ": ".join(e.get("value", "") for e in reversed(exceptions))
         message = data.get("message", {})
         message = message if isinstance(message, str) else message.get("formatted")
+        if message and exc_msg:
+            return ": ".join((message, exc_msg))
         return exc_msg or message or "unknown error"
 
     @app.before_request