chore: add changeset for AbortSignal fix in msgraph provider

Signed-off-by: Lokesh Kaki <lokeshkaki1@gmail.com>

.changeset/fluffy-colts-stop.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog-backend-module-msgraph': patch
+---
+
+Fixed scheduler task remaining stuck in running state after pod termination by propagating AbortSignal into MicrosoftGraphOrgEntityProvider.read()

plugins/catalog-backend-module-msgraph/src/processors/MicrosoftGraphOrgEntityProvider.test.ts

@@ -286,19 +286,24 @@ describe('MicrosoftGraphOrgEntityProvider', () => {
     readMicrosoftGraphOrgMocked.mockImplementationOnce(
       async (_client, _tenantId, options) => {
         if (options.signal?.aborted) {
-          throw new DOMException('The operation was aborted', 'AbortError');
+          const error = new Error('The operation was aborted');
+          error.name = 'AbortError';
+          throw error;
         }
         return { users: [], groups: [] };
       },
     );
 
     const taskDef = localTaskRunner.getTasks()[0];
-    // Should resolve without throwing (the error is caught and logged internally)
+    // Should resolve without throwing (abort is caught and logged at debug level)
     await (taskDef.fn as (signal: AbortSignal) => Promise<void>)(
       controller.signal,
     );
 
     expect(entityProviderConnection.applyMutation).not.toHaveBeenCalled();
+    expect(logger.debug).toHaveBeenCalledWith(
+      expect.stringContaining('refresh aborted due to shutdown'),
+    );
   });
 
   it('fail without schedule and scheduler', () => {

plugins/catalog-backend-module-msgraph/src/processors/MicrosoftGraphOrgEntityProvider.ts

@@ -397,6 +397,12 @@ export class MicrosoftGraphOrgEntityProvider implements EntityProvider {
           try {
             await this.read({ logger, signal: abortSignal });
           } catch (error) {
+            if (error instanceof Error && error.name === 'AbortError') {
+              logger.debug(
+                `${this.getProviderName()} refresh aborted due to shutdown`,
+              );
+              return;
+            }
             logger.error(
               `${this.getProviderName()} refresh failed, ${error}`,
               error,