fix(telemetry): update BatchLogProcessor to be async

Signed-off-by: Andrew Steurer <[email protected]>

Author: asteurer

Cargo.toml

@@ -148,7 +148,7 @@ lazy_static = "1.5"
 opentelemetry = "0.28"
 # The default `reqwest-blocking-client` causes a runtime panic
 opentelemetry-otlp = { version = "0.28", default-features = false, features = ["http-proto", "reqwest-client", "logs"]}
-opentelemetry_sdk = {version = "0.28", features = ["experimental_metrics_periodicreader_with_async_runtime", "experimental_trace_batch_span_processor_with_async_runtime"]}
+opentelemetry_sdk = {version = "0.28", features = ["experimental_metrics_periodicreader_with_async_runtime", "experimental_trace_batch_span_processor_with_async_runtime", "experimental_logs_batch_log_processor_with_async_runtime"]}
 path-absolutize = "3"
 pin-project-lite = "0.2.16"
 quote = "1"

crates/telemetry/src/logs.rs

@@ -3,8 +3,9 @@ use std::{ascii::escape_default, sync::OnceLock};
 use anyhow::bail;
 use opentelemetry::logs::{LogRecord, Logger, LoggerProvider};
 use opentelemetry_sdk::{
-    logs::{BatchConfigBuilder, BatchLogProcessor, SdkLogger},
+    logs::{log_processor_with_async_runtime::BatchLogProcessor, BatchConfigBuilder, SdkLogger},
     resource::{EnvResourceDetector, ResourceDetector, TelemetryResourceDetector},
+    runtime::Tokio,
     Resource,
 };
 
@@ -97,7 +98,7 @@ pub(crate) fn init_otel_logging_backend(spin_version: String) -> anyhow::Result<
     let provider = opentelemetry_sdk::logs::SdkLoggerProvider::builder()
         .with_resource(resource)
         .with_log_processor(
-            BatchLogProcessor::builder(exporter)
+            BatchLogProcessor::builder(exporter, Tokio)
                 .with_batch_config(BatchConfigBuilder::default().build())
                 .build(),
         )