Merge branch 'main' into main

Author: cijothomas

Cargo.toml

@@ -45,4 +45,4 @@ tokio-stream = "0.1.1"
 tracing = { version = "0.1", default-features = false }
 tracing-core = { version = "0.1", default-features = false }
 tracing-subscriber = { version = "0.3", default-features = false }
-url = { version = "2.2", default-features = false }
+url = { version = "=2.5.0", default-features = false } #pinning the version supporting rustc 1.65

opentelemetry-otlp/examples/basic-otlp-http/src/main.rs

@@ -52,15 +52,11 @@ fn init_tracer_provider() -> Result<sdktrace::TracerProvider, TraceError> {
 }
 
 fn init_metrics() -> Result<opentelemetry_sdk::metrics::SdkMeterProvider, MetricsError> {
-    let provider = opentelemetry_otlp::new_pipeline()
+    opentelemetry_otlp::new_pipeline()
         .metrics(opentelemetry_sdk::runtime::Tokio)
         .with_exporter(http_exporter().with_endpoint("http://localhost:4318/v1/metrics"))
         .with_resource(RESOURCE.clone())
-        .build();
-    match provider {
-        Ok(provider) => Ok(provider),
-        Err(err) => Err(err),
-    }
+        .build()
 }
 
 #[tokio::main]
@@ -83,6 +79,7 @@ async fn main() -> Result<(), Box<dyn Error + Send + Sync + 'static>> {
     );
 
     let meter_provider = result.unwrap();
+    global::set_meter_provider(meter_provider.clone());
 
     // Opentelemetry will not provide a global API to manage the logger
     // provider. Application users must manage the lifecycle of the logger