docs: Changelog

Cargo.lock

@@ -3305,6 +3305,8 @@ dependencies = [
  "prost",
  "reqwest",
  "thiserror 2.0.17",
+ "tokio",
+ "tonic",
  "tracing",
 ]
 

Cargo.toml

@@ -426,7 +426,7 @@ features = ["rt-tokio"]
 
 [workspace.dependencies.opentelemetry-otlp]
 version = "0.31.0"
-features = ["http", "trace", "logs", "metrics"]
+features = ["http", "grpc-tonic", "trace", "logs", "metrics"]
 
 
 

changelog.d/1251.feature

@@ -0,0 +1 @@
+Enabled the OLTP exporter in default builds, and allow configuring the exporter protocol. (@Jade).

conduwuit-example.toml

@@ -26,8 +26,8 @@
 # Also see the `[global.well_known]` config section at the very bottom.
 #
 # Examples of delegation:
-# - https://puppygock.gay/.well-known/matrix/server
+# - https://continuwuity.org/.well-known/matrix/server
-# - https://puppygock.gay/.well-known/matrix/client
+# - https://continuwuity.org/.well-known/matrix/client
 #
 # YOU NEED TO EDIT THIS. THIS CANNOT BE CHANGED AFTER WITHOUT A DATABASE
 # WIPE.
@@ -608,6 +608,11 @@
 #
 #otlp_filter = "info"
 
+# Protocol to use for OTLP tracing export. Options are "http" or "grpc".
+# The HTTP protocol uses port 4318 by default, while gRPC uses port 4317.
+#
+#otlp_protocol = "http"
+
 # If the 'perf_measurements' compile-time feature is enabled, enables
 # collecting folded stack trace profile of tracing spans using
 # tracing_flame. The resulting profile can be visualized with inferno[1],
@@ -1533,7 +1538,7 @@
 # a normal continuwuity admin command. The reply will be publicly visible
 # to the room, originating from the sender.
 #
-# example: \\!admin debug ping puppygock.gay
+# example: \\!admin debug ping continuwuity.org
 #
 #admin_escape_commands = true
 
@@ -1551,7 +1556,8 @@
 # For example: `./continuwuity --execute "server admin-notice continuwuity
 # has started up at $(date)"`
 #
-# example: admin_execute = ["debug ping puppygock.gay", "debug echo hi"]`
+# example: admin_execute = ["debug ping continuwuity.org", "debug echo
+# hi"]`
 #
 #admin_execute = []
 

docs/development/contributing.mdx

@@ -149,11 +149,12 @@ of it, especially when the CI completed successfully and everything so it
 *looks* done.
 
 Before submitting a pull request, please ensure:
-1. Your code passes all CI checks (formatting, linting, typo detection, etc.)
+1. Your code passes all CI checks (formatting, linting, typo detection, etc.). Run pre-commit for this.
 2. Your code follows the [code style guide](./code_style)
 3. Your commit messages follow the conventional commits format
 4. Tests are added for new functionality
 5. Documentation is updated if needed
+6. You have written a [news fragment](#writing-news-fragments) for your changes
 
 Direct all PRs/MRs to the `main` branch.
 
@@ -171,3 +172,32 @@ continuwuity Matrix rooms for Code of Conduct violations.
 [sytest]: https://github.com/matrix-org/sytest/
 [mdbook]: https://rust-lang.github.io/mdBook/
 [documentation.yml]: https://forgejo.ellis.link/continuwuation/continuwuity/src/branch/main/.forgejo/workflows/documentation.yml
+
+#### Writing news fragments
+
+In order to make writing our changelogs easier, we make use of [Towncrier]. Towncrier builds changelogs based on
+"news fragments", which are little markdown files in the `changelog.d/` directory that describe individual changes.
+
+When you make a pull request that changes functionality, fixes a bug, or adds documentation, please add a news fragment
+describing your change. The file name *MUST* be in the format of `{pull_request_number}.{type}`, where `{type}` is one
+of the following:
+
+- `feature` - for new features
+- `bugfix` - for bug fixes
+- `doc` - for documentation changes
+- `misc` - for other changes that don't fit the above categories
+
+For example:
+
+```bash
+$ echo "Fixed the quantum flux stabiliser. Contributed by @alice." > changelog.d/42.bugfix
+```
+
+(Note: If you want to credit yourself, you should reference your forgejo handle, however links to other platforms are also acceptable.)
+
+When the next release is made, Towncrier will automatically include your news fragment in the changelog.
+
+You can read more about writing news fragments in the [Towncrier tutorial][tt].
+
+[Towncrier]: https://towncrier.readthedocs.io/
+[tt]: https://towncrier.readthedocs.io/en/stable/tutorial.html#creating-news-fragments

src/core/config/mod.rs

@@ -69,8 +69,8 @@ pub struct Config {
 	/// Also see the `[global.well_known]` config section at the very bottom.
 	///
 	/// Examples of delegation:
-	/// - https://puppygock.gay/.well-known/matrix/server
+	/// - https://continuwuity.org/.well-known/matrix/server
-	/// - https://puppygock.gay/.well-known/matrix/client
+	/// - https://continuwuity.org/.well-known/matrix/client
 	///
 	/// YOU NEED TO EDIT THIS. THIS CANNOT BE CHANGED AFTER WITHOUT A DATABASE
 	/// WIPE.
@@ -737,6 +737,13 @@ pub struct Config {
 	#[serde(default = "default_otlp_filter", alias = "jaeger_filter")]
 	pub otlp_filter: String,
 
+	/// Protocol to use for OTLP tracing export. Options are "http" or "grpc".
+	/// The HTTP protocol uses port 4318 by default, while gRPC uses port 4317.
+	///
+	/// default: "http"
+	#[serde(default = "default_otlp_protocol")]
+	pub otlp_protocol: String,
+
 	/// If the 'perf_measurements' compile-time feature is enabled, enables
 	/// collecting folded stack trace profile of tracing spans using
 	/// tracing_flame. The resulting profile can be visualized with inferno[1],
@@ -1752,7 +1759,7 @@ pub struct Config {
 	/// a normal continuwuity admin command. The reply will be publicly visible
 	/// to the room, originating from the sender.
 	///
-	/// example: \\!admin debug ping puppygock.gay
+	/// example: \\!admin debug ping continuwuity.org
 	#[serde(default = "true_fn")]
 	pub admin_escape_commands: bool,
 
@@ -1770,7 +1777,8 @@ pub struct Config {
 	/// For example: `./continuwuity --execute "server admin-notice continuwuity
 	/// has started up at $(date)"`
 	///
-	/// example: admin_execute = ["debug ping puppygock.gay", "debug echo hi"]`
+	/// example: admin_execute = ["debug ping continuwuity.org", "debug echo
+	/// hi"]`
 	///
 	/// default: []
 	#[serde(default)]
@@ -2418,6 +2426,8 @@ fn default_otlp_filter() -> String {
 		.to_owned()
 }
 
+fn default_otlp_protocol() -> String { "http".to_owned() }
+
 fn default_tracing_flame_output_path() -> String { "./tracing.folded".to_owned() }
 
 fn default_trusted_servers() -> Vec<OwnedServerName> {

src/main/Cargo.toml

@@ -63,7 +63,8 @@ standard = [
 	"systemd",
 	"url_preview",
 	"zstd_compression",
-    "sentry_telemetry"
+    "sentry_telemetry",
+    "otlp_telemetry"
 ]
 full = [
     "standard",
@@ -124,12 +125,15 @@ ldap = [
 media_thumbnail = [
 	"conduwuit-service/media_thumbnail",
 ]
-perf_measurements = [
+otlp_telemetry = [
 	"dep:opentelemetry",
-	"dep:tracing-flame",
 	"dep:tracing-opentelemetry",
 	"dep:opentelemetry_sdk",
 	"dep:opentelemetry-otlp",
+]
+perf_measurements = [
+	"dep:tracing-flame",
+	"otlp_telemetry",
 	"conduwuit-core/perf_measurements",
 	"conduwuit-core/sentry_telemetry",
 ]

src/main/logging.rs

@@ -7,8 +7,10 @@ use conduwuit_core::{
 	log::{ConsoleFormat, ConsoleWriter, LogLevelReloadHandles, capture, fmt_span},
 	result::UnwrapOrErr,
 };
-#[cfg(feature = "perf_measurements")]
+#[cfg(feature = "otlp_telemetry")]
 use opentelemetry::trace::TracerProvider;
+#[cfg(feature = "otlp_telemetry")]
+use opentelemetry_otlp::WithExportConfig;
 use tracing_subscriber::{EnvFilter, Layer, Registry, fmt, layer::SubscriberExt, reload};
 
 #[cfg(feature = "perf_measurements")]
@@ -70,6 +72,57 @@ pub(crate) fn init(
 		subscriber.with(sentry_layer.with_filter(sentry_reload_filter))
 	};
 
+	#[cfg(feature = "otlp_telemetry")]
+	let subscriber = {
+		let otlp_filter = EnvFilter::try_new(&config.otlp_filter)
+			.map_err(|e| err!(Config("otlp_filter", "{e}.")))?;
+
+		let otlp_layer = config.allow_otlp.then(|| {
+			opentelemetry::global::set_text_map_propagator(
+				opentelemetry_sdk::propagation::TraceContextPropagator::new(),
+			);
+
+			let exporter = match config.otlp_protocol.as_str() {
+				| "grpc" => opentelemetry_otlp::SpanExporter::builder()
+					.with_tonic()
+					.with_protocol(opentelemetry_otlp::Protocol::Grpc)
+					.build()
+					.expect("Failed to create OTLP gRPC exporter"),
+				| "http" => opentelemetry_otlp::SpanExporter::builder()
+					.with_http()
+					.build()
+					.expect("Failed to create OTLP HTTP exporter"),
+				| protocol => {
+					debug_warn!(
+						"Invalid OTLP protocol '{}', falling back to HTTP. Valid options are \
+						 'http' or 'grpc'.",
+						protocol
+					);
+					opentelemetry_otlp::SpanExporter::builder()
+						.with_http()
+						.build()
+						.expect("Failed to create OTLP HTTP exporter")
+				},
+			};
+
+			let provider = opentelemetry_sdk::trace::SdkTracerProvider::builder()
+				.with_batch_exporter(exporter)
+				.build();
+
+			let tracer = provider.tracer(conduwuit_core::name());
+
+			let telemetry = tracing_opentelemetry::layer().with_tracer(tracer);
+
+			let (otlp_reload_filter, otlp_reload_handle) =
+				reload::Layer::new(otlp_filter.clone());
+			reload_handles.add("otlp", Box::new(otlp_reload_handle));
+
+			Some(telemetry.with_filter(otlp_reload_filter))
+		});
+
+		subscriber.with(otlp_layer)
+	};
+
 	#[cfg(feature = "perf_measurements")]
 	let (subscriber, flame_guard) = {
 		let (flame_layer, flame_guard) = if config.tracing_flame {
@@ -89,35 +142,7 @@ pub(crate) fn init(
 			(None, None)
 		};
 
-		let otlp_filter = EnvFilter::try_new(&config.otlp_filter)
+		let subscriber = subscriber.with(flame_layer);
-			.map_err(|e| err!(Config("otlp_filter", "{e}.")))?;
-
-		let otlp_layer = config.allow_otlp.then(|| {
-			opentelemetry::global::set_text_map_propagator(
-				opentelemetry_sdk::propagation::TraceContextPropagator::new(),
-			);
-
-			let exporter = opentelemetry_otlp::SpanExporter::builder()
-				.with_http()
-				.build()
-				.expect("Failed to create OTLP exporter");
-
-			let provider = opentelemetry_sdk::trace::SdkTracerProvider::builder()
-				.with_batch_exporter(exporter)
-				.build();
-
-			let tracer = provider.tracer(conduwuit_core::name());
-
-			let telemetry = tracing_opentelemetry::layer().with_tracer(tracer);
-
-			let (otlp_reload_filter, otlp_reload_handle) =
-				reload::Layer::new(otlp_filter.clone());
-			reload_handles.add("otlp", Box::new(otlp_reload_handle));
-
-			Some(telemetry.with_filter(otlp_reload_filter))
-		});
-
-		let subscriber = subscriber.with(flame_layer).with(otlp_layer);
 		(subscriber, flame_guard)
 	};
 

towncrier.toml

@@ -0,0 +1,4 @@
+[tool.towncrier]
+name = "Continuwuity"
+directory = "changelog.d"
+filename = "CHANGELOG.md"