chore: updated code

Author: aryamohanan

packages/collector/src/announceCycle/unannounced.js

@@ -225,9 +225,10 @@ function applySpanBatchingConfiguration(agentResponse) {
 
 /**
  * - The agent configuration currently uses a pipe ('|') as a separator for endpoints.
- * - This function splits the string by both pipe ('|') and comma (',') to ensure compatibility.
+ * - This function supports both ('|') and comma (',') to ensure future compatibility.
  * - Additionally, it supports the `string[]` format for backward compatibility,
- *   as this was the previously used standard.
+ *   as this was the previously used standard. The final design decision is not yet completed.
+ *   https://github.ibm.com/instana/requests-for-discussion/pull/84
  *
  * @param {AgentAnnounceResponse} agentResponse
  */

packages/collector/test/apps/agentStubControls.js

@@ -43,6 +43,8 @@ class AgentStubControls {
         env.KAFKA_TRACE_CORRELATION = opts.kafkaConfig.traceCorrelation.toString();
       }
     }
+    // This is not the INSTANA_IGNORE_ENDPOINTS env. We  use this "IGNORE_ENDPOINTS" env for the fake agent to
+    // serve the ignore endpoints config to our tracer.
     if (opts.ignoreEndpoints) {
       env.IGNORE_ENDPOINTS = JSON.stringify(opts.ignoreEndpoints);
     }

packages/core/src/util/normalizeConfig.js

@@ -723,5 +723,9 @@ function normalizeIgnoreEndpoints(config) {
         `Failed to parse INSTANA_IGNORE_ENDPOINTS: ${process.env.INSTANA_IGNORE_ENDPOINTS}. Error: ${error.message}`
       );
     }
+  } else {
+    return;
   }
+
+  logger.debug(`Ignore endpoints have been configured: ${JSON.stringify(config.tracing.ignoreEndpoints)}`);
 }