added ai insight logger

Author: yuliia-fryshko

x-pack/solutions/observability/plugins/observability_agent_builder/server/plugin.ts

@@ -38,10 +38,12 @@ export class ObservabilityAgentBuilderPlugin
     >
 {
   private readonly logger: Logger;
+  private readonly aiInsightsLogger: Logger;
   private readonly dataRegistry: ObservabilityAgentBuilderDataRegistry;
 
   constructor(initContext: PluginInitializerContext) {
     this.logger = initContext.logger.get();
+    this.aiInsightsLogger = this.logger.get('aiInsights');
     this.dataRegistry = new ObservabilityAgentBuilderDataRegistry(this.logger);
   }
 
@@ -72,7 +74,12 @@ export class ObservabilityAgentBuilderPlugin
       this.logger.error(`Error registering observability attachments: ${error}`);
     });
 
-    registerServerRoutes({ core, plugins, logger: this.logger, dataRegistry: this.dataRegistry });
+    registerServerRoutes({
+      core,
+      plugins,
+      logger: this.aiInsightsLogger,
+      dataRegistry: this.dataRegistry,
+    });
 
     if (plugins.searchInferenceEndpoints) {
       plugins.searchInferenceEndpoints.features.register(observabilityParentFeature);

x-pack/solutions/observability/plugins/observability_agent_builder/server/routes/ai_insights/route.ts

@@ -44,6 +44,23 @@ function getRawErrorMessage(error: unknown): string {
   }
 }
 
+function logAiInsightRouteError({
+  logger,
+  routeType,
+  error,
+}: {
+  logger: Pick<Logger, 'debug' | 'error'>;
+  routeType: 'alert' | 'error' | 'log';
+  error: unknown;
+}) {
+  const message = getRawErrorMessage(error);
+  logger.error(`Failed to generate AI insight for ${routeType} route: ${message}`);
+
+  if (error instanceof Error) {
+    logger.debug(error.stack ?? error.message);
+  }
+}
+
 function aiInsightSseErrorResponse({
   response,
   message,
@@ -176,7 +193,7 @@ export function getObservabilityAgentBuilderAiInsightsRouteRepository(): ServerR
           }),
         });
       } catch (error) {
-        logger.error(error);
+        logAiInsightRouteError({ logger, routeType: 'alert', error });
         return routeAiInsightError({
           error,
           response,
@@ -247,7 +264,7 @@ export function getObservabilityAgentBuilderAiInsightsRouteRepository(): ServerR
           }),
         });
       } catch (error) {
-        logger.error(error);
+        logAiInsightRouteError({ logger, routeType: 'error', error });
         return routeAiInsightError({
           error,
           response,
@@ -326,7 +343,7 @@ export function getObservabilityAgentBuilderAiInsightsRouteRepository(): ServerR
           }),
         });
       } catch (error) {
-        logger.error(error);
+        logAiInsightRouteError({ logger, routeType: 'log', error });
         return routeAiInsightError({
           error,
           response,