feat: configure tracing logger via env var

Signed-off-by: Naseem <naseem@transit.app>
open-telemetry · Apr 18, 2020 · a47135c · a47135c
1 parent 609dfa3
commit a47135c
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/packages/opentelemetry-tracing/src/config.ts b/packages/opentelemetry-tracing/src/config.ts
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import { ALWAYS_SAMPLER, LogLevel } from '@opentelemetry/core';
+import { ALWAYS_SAMPLER, LogLevel, LogLevelStrings } from '@opentelemetry/core';
 
 /** Default limit for Message events per span */
 export const DEFAULT_MAX_EVENTS_PER_SPAN = 128;
@@ -31,7 +31,9 @@ export const DEFAULT_MAX_LINKS_PER_SPAN = 32;
  */
 export const DEFAULT_CONFIG = {
   defaultAttributes: {},
-  logLevel: LogLevel.INFO,
+  logLevel: process.env.OTEL_LOG_LEVEL
+    ? LogLevel[process.env.OTEL_LOG_LEVEL as LogLevelStrings]
+    : LogLevel.INFO,
   sampler: ALWAYS_SAMPLER,
   traceParams: {
     numberOfAttributesPerSpan: DEFAULT_MAX_ATTRIBUTES_PER_SPAN,