Made OpenTelemetryServer closeable

Author: rpanic

packages/api/src/metrics/OpenTelemetryServer.ts

@@ -1,4 +1,6 @@
 import {
+  closeable,
+  Closeable,
   Sequencer,
   SequencerModule,
   sequencerModule,
@@ -32,10 +34,13 @@ export type OpenTelemetryServerConfig = {
 };
 
 @sequencerModule()
+@closeable()
 export class OpenTelemetryServer
   extends SequencerModule<OpenTelemetryServerConfig>
-  implements DependencyFactory
+  implements DependencyFactory, Closeable
 {
+  private sdk?: NodeSDK;
+
   public constructor(
     @inject("Sequencer") private readonly sequencer: Sequencer<any>
   ) {
@@ -92,10 +97,15 @@ export class OpenTelemetryServer
     });
 
     sdk.start();
+    this.sdk = sdk;
 
     // TODO Write logger to directly integrate with our logging library
     diag.setLogger(new DiagConsoleLogger(), DiagLogLevel.ERROR);
 
     log.info("OpenTelemetryServer started");
   }
+
+  public async close() {
+    await this.sdk?.shutdown();
+  }
 }