Rename logs_level_enabled flag to spec_unstable_logs_enabled (#2291)

Author: lalitb

CONTRIBUTING.md

@@ -169,7 +169,7 @@ It's important to regularly review and remove the `otel_unstable` flag from the
 The potential features include:
 
 - Stable and non-experimental features that compliant to specification, and have a feature flag to minimize compilation size. Example: feature flags for signals (like `logs`, `traces`, `metrics`) and runtimes (`rt-tokio`, `rt-tokio-current-thread`, `rt-async-std`).
-- Stable and non-experimental features, although not part of the specification, are crucial for enhancing the tracing/log crate's functionality or boosting performance. These features are also subject to discussion and approval by the OpenTelemetry Rust Maintainers. An example of such a feature is `logs_level_enabled`.
+- Stable and non-experimental features, although not part of the specification, are crucial for enhancing the tracing/log crate's functionality or boosting performance. These features are also subject to discussion and approval by the OpenTelemetry Rust Maintainers.
 
 All such features should adhere to naming convention  `<signal>_<feature_name>`
 

opentelemetry-appender-log/CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Bump MSRV to 1.70 [#2179](https://github.com/open-telemetry/opentelemetry-rust/pull/2179)
 - [2193](https://github.com/open-telemetry/opentelemetry-rust/pull/2193) `opentelemetry-appender-log`: Output experimental code attributes 
+- **Breaking** [2291](https://github.com/open-telemetry/opentelemetry-rust/pull/2291) Rename `logs_level_enabled flag` to `spec_unstable_logs_enabled`. Please enable this updated flag if the feature is needed. This flag will be removed once the feature is stabilized in the specifications.
 
 ## v0.26.0
 Released 2024-Sep-30

opentelemetry-appender-log/Cargo.toml

@@ -21,14 +21,14 @@ opentelemetry-semantic-conventions = { path = "../opentelemetry-semantic-convent
 ] }
 
 [features]
-logs_level_enabled = ["opentelemetry/logs_level_enabled"]
+spec_unstable_logs_enabled = ["opentelemetry/spec_unstable_logs_enabled"]
 with-serde = ["log/kv_serde", "serde"]
 experimental_metadata_attributes = ["dep:opentelemetry-semantic-conventions"]
 
 [dev-dependencies]
 opentelemetry_sdk = { path = "../opentelemetry-sdk", features = [
   "testing",
-  "logs_level_enabled",
+  "spec_unstable_logs_enabled",
 ] }
 opentelemetry-stdout = { path = "../opentelemetry-stdout", features = ["logs"] }
 log = { workspace = true, features = ["kv_serde"] }

opentelemetry-appender-log/src/lib.rs

@@ -89,7 +89,7 @@
 //!
 //! This library provides the following Cargo features:
 //!
-//! - `logs_level_enabled`: Allow users to control the log level.
+//! - `spec_unstable_logs_enabled`: Allow users to control the log level.
 //! - `with-serde`: Support complex values as attributes without stringifying them.
 //!
 //! [Logs Bridge API]: https://opentelemetry.io/docs/specs/otel/logs/bridge-api/
@@ -117,11 +117,11 @@ where
     L: Logger + Send + Sync,
 {
     fn enabled(&self, _metadata: &Metadata) -> bool {
-        #[cfg(feature = "logs_level_enabled")]
+        #[cfg(feature = "spec_unstable_logs_enabled")]
         return self
             .logger
             .event_enabled(severity_of_level(_metadata.level()), _metadata.target());
-        #[cfg(not(feature = "logs_level_enabled"))]
+        #[cfg(not(feature = "spec_unstable_logs_enabled"))]
         true
     }
 
@@ -770,9 +770,9 @@ mod tests {
         // As a result of using `with_simple_exporter` while building the logger provider,
         // the processor used is a `SimpleLogProcessor` which has an implementation of `event_enabled`
         // that always returns true.
-        #[cfg(feature = "logs_level_enabled")]
+        #[cfg(feature = "spec_unstable_logs_enabled")]
         assert!(otel_log_appender.enabled(&log::Metadata::builder().build()));
-        #[cfg(not(feature = "logs_level_enabled"))]
+        #[cfg(not(feature = "spec_unstable_logs_enabled"))]
         assert!(otel_log_appender.enabled(&log::Metadata::builder().build()));
     }
 

opentelemetry-appender-tracing/CHANGELOG.md

@@ -3,6 +3,7 @@
 ## vNext
 
 - Bump MSRV to 1.70 [#2179](https://github.com/open-telemetry/opentelemetry-rust/pull/2179)
+- **Breaking** [2291](https://github.com/open-telemetry/opentelemetry-rust/pull/2291) Rename `logs_level_enabled flag` to `spec_unstable_logs_enabled`. Please enable this updated flag if the feature is needed. This flag will be removed once the feature is stabilized in the specifications.
 
 ## v0.26.0
 Released 2024-Sep-30

opentelemetry-appender-tracing/Cargo.toml

@@ -33,10 +33,10 @@ pprof = { version = "0.13", features = ["flamegraph", "criterion"] }
 
 [features]
 experimental_metadata_attributes = ["dep:tracing-log"]
-logs_level_enabled = ["opentelemetry/logs_level_enabled"]
+spec_unstable_logs_enabled = ["opentelemetry/spec_unstable_logs_enabled"]
 
 
 [[bench]]
 name = "logs"
 harness = false
-required-features = ["logs_level_enabled"]
+required-features = ["spec_unstable_logs_enabled"]

opentelemetry-appender-tracing/src/layer.rs

@@ -184,7 +184,7 @@ where
         self.logger.emit(log_record);
     }
 
-    #[cfg(feature = "logs_level_enabled")]
+    #[cfg(feature = "spec_unstable_logs_enabled")]
     fn event_enabled(
         &self,
         _event: &tracing_core::Event<'_>,

opentelemetry-sdk/CHANGELOG.md

@@ -45,6 +45,8 @@
 
   - Users calling public APIs that return these constructs (e.g, LoggerProvider::shutdown(), MeterProvider::force_flush()) should now import them from the SDK instead of the API.
   - Developers creating custom exporters should ensure they import these constructs from the SDK, not the API.
+  - [2291](https://github.com/open-telemetry/opentelemetry-rust/pull/2291) Rename `logs_level_enabled flag` to `spec_unstable_logs_enabled`. Please enable this updated flag if the feature is needed. This flag will be removed once the feature is stabilized in the specifications.
+
 
 - **BREAKING**: `Temporality` enum moved from `opentelemetry_sdk::metrics::data::Temporality` to `opentelemetry_sdk::metrics::Temporality`.
 

opentelemetry-sdk/Cargo.toml

@@ -46,7 +46,7 @@ default = ["trace", "metrics", "logs", "internal-logs"]
 trace = ["opentelemetry/trace", "rand", "async-trait", "percent-encoding"]
 jaeger_remote_sampler = ["trace", "opentelemetry-http", "http", "serde", "serde_json", "url"]
 logs = ["opentelemetry/logs", "async-trait", "serde_json"]
-logs_level_enabled = ["logs", "opentelemetry/logs_level_enabled"]
+spec_unstable_logs_enabled = ["logs", "opentelemetry/spec_unstable_logs_enabled"]
 metrics = ["opentelemetry/metrics", "glob", "async-trait"]
 testing = ["opentelemetry/testing", "trace", "metrics", "logs", "rt-async-std", "rt-tokio", "rt-tokio-current-thread", "tokio/macros", "tokio/rt-multi-thread"]
 rt-tokio = ["tokio", "tokio-stream"]

opentelemetry-sdk/src/export/logs/mod.rs

@@ -3,7 +3,7 @@ use crate::logs::LogRecord;
 use crate::logs::{LogError, LogResult};
 use crate::Resource;
 use async_trait::async_trait;
-#[cfg(feature = "logs_level_enabled")]
+#[cfg(feature = "spec_unstable_logs_enabled")]
 use opentelemetry::logs::Severity;
 use opentelemetry::InstrumentationScope;
 use std::fmt::Debug;
@@ -85,7 +85,7 @@ pub trait LogExporter: Send + Sync + Debug {
     async fn export(&mut self, batch: LogBatch<'_>) -> LogResult<()>;
     /// Shuts down the exporter.
     fn shutdown(&mut self) {}
-    #[cfg(feature = "logs_level_enabled")]
+    #[cfg(feature = "spec_unstable_logs_enabled")]
     /// Chek if logs are enabled.
     fn event_enabled(&self, _level: Severity, _target: &str, _name: &str) -> bool {
         // By default, all logs are enabled

opentelemetry-sdk/src/lib.rs

@@ -89,7 +89,7 @@
 //!
 //! For `logs` the following feature flags are available:
 //!
-//! * `logs_level_enabled`: control the log level
+//! * `spec_unstable_logs_enabled`: control the log level
 //!
 //! Support for recording and exporting telemetry asynchronously and perform
 //! metrics aggregation can be added via the following flags:

opentelemetry-sdk/src/logs/log_emitter.rs

@@ -3,7 +3,7 @@ use crate::{export::logs::LogExporter, runtime::RuntimeChannel, Resource};
 use crate::{logs::LogError, logs::LogResult};
 use opentelemetry::{otel_debug, trace::TraceContextExt, Context, InstrumentationScope};
 
-#[cfg(feature = "logs_level_enabled")]
+#[cfg(feature = "spec_unstable_logs_enabled")]
 use opentelemetry::logs::Severity;
 
 use std::time::SystemTime;
@@ -282,7 +282,7 @@ impl opentelemetry::logs::Logger for Logger {
         }
     }
 
-    #[cfg(feature = "logs_level_enabled")]
+    #[cfg(feature = "spec_unstable_logs_enabled")]
     fn event_enabled(&self, level: Severity, target: &str) -> bool {
         let provider = self.provider();
 

opentelemetry-sdk/src/logs/log_processor.rs

@@ -9,7 +9,7 @@ use futures_util::{
     future::{self, Either},
     {pin_mut, stream, StreamExt as _},
 };
-#[cfg(feature = "logs_level_enabled")]
+#[cfg(feature = "spec_unstable_logs_enabled")]
 use opentelemetry::logs::Severity;
 use opentelemetry::{otel_debug, otel_error, otel_warn, InstrumentationScope};
 
@@ -61,7 +61,7 @@ pub trait LogProcessor: Send + Sync + Debug {
     /// After shutdown returns the log processor should stop processing any logs.
     /// It's up to the implementation on when to drop the LogProcessor.
     fn shutdown(&self) -> LogResult<()>;
-    #[cfg(feature = "logs_level_enabled")]
+    #[cfg(feature = "spec_unstable_logs_enabled")]
     /// Check if logging is enabled
     fn event_enabled(&self, _level: Severity, _target: &str, _name: &str) -> bool {
         // By default, all logs are enabled

opentelemetry-stdout/Cargo.toml

@@ -23,7 +23,7 @@ rustdoc-args = ["--cfg", "docsrs"]
 default = ["trace", "metrics", "logs"]
 trace = ["opentelemetry/trace", "opentelemetry_sdk/trace", "futures-util"]
 metrics = ["async-trait", "opentelemetry/metrics", "opentelemetry_sdk/metrics"]
-logs = ["opentelemetry/logs", "opentelemetry_sdk/logs", "async-trait", "thiserror", "opentelemetry_sdk/logs_level_enabled"]
+logs = ["opentelemetry/logs", "opentelemetry_sdk/logs", "async-trait", "thiserror", "opentelemetry_sdk/spec_unstable_logs_enabled"]
 populate-logs-event-name = []
 
 [dependencies]

opentelemetry/CHANGELOG.md

@@ -47,6 +47,8 @@ let counter = meter.u64_counter("my_counter").build();
    - Moved `MetricError` enum from `opentelemetry::metrics::MetricError` to `opentelemetry_sdk::metrics::MetricError`
    - Moved `MetricResult` type alias from `opentelemetry::metrics::MetricResult` to `opentelemetry_sdk::metrics::MetricResult`
      These changes shouldn't directly affect the users of OpenTelemetry crate, as these constructs are used in SDK and Exporters. If you are an author of an sdk component/plug-in, like an exporter etc. please use these types from sdk. Refer [CHANGELOG.md](https://github.com/open-telemetry/opentelemetry-rust/blob/main/opentelemetry-sdk/CHANGELOG.md) for more details, under same version section.
+- **Breaking** [2291](https://github.com/open-telemetry/opentelemetry-rust/pull/2291) Rename `logs_level_enabled flag` to `spec_unstable_logs_enabled`. Please enable this updated flag if the feature is needed. This flag will be removed once the feature is stabilized in the specifications.
+
 
 ## v0.26.0
 Released 2024-Sep-30

opentelemetry/Cargo.toml

@@ -37,12 +37,12 @@ trace = ["pin-project-lite"]
 metrics = []
 testing = ["trace", "metrics"]
 logs = []
-logs_level_enabled = ["logs"]
+spec_unstable_logs_enabled = ["logs"]
 otel_unstable = []
 internal-logs = ["tracing"]
 
 [dev-dependencies]
-opentelemetry_sdk = { path = "../opentelemetry-sdk", features = ["logs_level_enabled"]} # for documentation tests
+opentelemetry_sdk = { path = "../opentelemetry-sdk", features = ["spec_unstable_logs_enabled"]} # for documentation tests
 criterion = { workspace = true }
 rand = { workspace = true }
 

opentelemetry/src/lib.rs

@@ -114,7 +114,7 @@
 //! The default feature flags are ["trace", "metrics", "logs"]
 //!
 //! The following feature flags provides additional configuration for `logs`:
-//! * `logs_level_enabled`: Allow users to control the log level
+//! * `spec_unstable_logs_enabled`: Allow users to control the log level
 //!
 //! The following feature flags enable APIs defined in OpenTelemetry specification that is in experimental phase:
 //! * `otel_unstable`: Includes unstable APIs.

opentelemetry/src/logs/logger.rs

@@ -2,7 +2,7 @@ use std::borrow::Cow;
 
 use crate::{logs::LogRecord, InstrumentationScope};
 
-#[cfg(feature = "logs_level_enabled")]
+#[cfg(feature = "spec_unstable_logs_enabled")]
 use super::Severity;
 
 /// The interface for emitting [`LogRecord`]s.
@@ -20,7 +20,7 @@ pub trait Logger {
     /// [`Context`]: crate::Context
     fn emit(&self, record: Self::LogRecord);
 
-    #[cfg(feature = "logs_level_enabled")]
+    #[cfg(feature = "spec_unstable_logs_enabled")]
     /// Check if the given log level is enabled.
     fn event_enabled(&self, level: Severity, target: &str) -> bool;
 }

opentelemetry/src/logs/noop.rs

@@ -78,7 +78,7 @@ impl Logger for NoopLogger {
         NoopLogRecord {}
     }
     fn emit(&self, _record: Self::LogRecord) {}
-    #[cfg(feature = "logs_level_enabled")]
+    #[cfg(feature = "spec_unstable_logs_enabled")]
     fn event_enabled(&self, _level: super::Severity, _target: &str) -> bool {
         false
     }

scripts/lint.sh

@@ -28,7 +28,7 @@ if rustup component add clippy; then
           -Dwarnings
   done
 
-  cargo_feature opentelemetry "trace,metrics,logs,logs_level_enabled,testing"
+  cargo_feature opentelemetry "trace,metrics,logs,spec_unstable_logs_enabled,testing"
 
   cargo_feature opentelemetry-otlp "default"
   cargo_feature opentelemetry-otlp "default,tls"

stress/Cargo.toml

@@ -43,8 +43,8 @@ doc = false
 ctrlc = "3.2.5"
 lazy_static = "1.4.0"
 num_cpus = "1.15.0"
-opentelemetry = { path = "../opentelemetry", features = ["metrics", "logs", "trace", "logs_level_enabled"] }
-opentelemetry_sdk = { path = "../opentelemetry-sdk", features = ["metrics", "logs", "trace", "logs_level_enabled"] }
+opentelemetry = { path = "../opentelemetry", features = ["metrics", "logs", "trace", "spec_unstable_logs_enabled"] }
+opentelemetry_sdk = { path = "../opentelemetry-sdk", features = ["metrics", "logs", "trace", "spec_unstable_logs_enabled"] }
 opentelemetry-appender-tracing = { path = "../opentelemetry-appender-tracing"}
 rand = { version = "0.8.4", features = ["small_rng"] }
 tracing = { workspace = true, features = ["std"]}