Handle bulkGet errors on package retrieval from ES storage (#111114) (#111147)

Co-authored-by: Josh Dover <1813008+joshdover@users.noreply.github.com>

Author: kibanamachine

x-pack/plugins/fleet/server/services/epm/archive/storage.ts

@@ -23,6 +23,8 @@ import type {
 } from '../../../../common';
 import { pkgToPkgKey } from '../registry';
 
+import { appContextService } from '../../app_context';
+
 import { getArchiveEntry, setArchiveEntry, setArchiveFilelist, setPackageInfo } from './index';
 import type { ArchiveEntry } from './index';
 import { parseAndVerifyPolicyTemplates, parseAndVerifyStreams } from './validation';
@@ -165,15 +167,35 @@ export const getEsPackage = async (
   references: PackageAssetReference[],
   savedObjectsClient: SavedObjectsClientContract
 ) => {
+  const logger = appContextService.getLogger();
   const pkgKey = pkgToPkgKey({ name: pkgName, version: pkgVersion });
   const bulkRes = await savedObjectsClient.bulkGet<PackageAsset>(
     references.map((reference) => ({
       ...reference,
       fields: ['asset_path', 'data_utf8', 'data_base64'],
     }))
   );
+  const errors = bulkRes.saved_objects.filter((so) => so.error || !so.attributes);
   const assets = bulkRes.saved_objects.map((so) => so.attributes);
 
+  if (errors.length) {
+    const resolvedErrors = errors.map((so) =>
+      so.error
+        ? { type: so.type, id: so.id, error: so.error }
+        : !so.attributes
+        ? { type: so.type, id: so.id, error: { error: `No attributes retrieved` } }
+        : { type: so.type, id: so.id, error: { error: `Unknown` } }
+    );
+
+    logger.warn(
+      `Failed to retrieve ${pkgName}-${pkgVersion} package from ES storage. bulkGet failed for assets: ${JSON.stringify(
+        resolvedErrors
+      )}`
+    );
+
+    return undefined;
+  }
+
   const paths: string[] = [];
   const entries: ArchiveEntry[] = assets.map(packageAssetToArchiveEntry);
   entries.forEach(({ path, buffer }) => {

x-pack/plugins/fleet/server/services/epm/packages/get.ts

@@ -217,7 +217,10 @@ export async function getPackageFromSource(options: {
         installedPkg.package_assets,
         savedObjectsClient
       );
-      logger.debug(`retrieved installed package ${pkgName}-${pkgVersion} from ES`);
+
+      if (res) {
+        logger.debug(`retrieved installed package ${pkgName}-${pkgVersion} from ES`);
+      }
     }
     // for packages not in cache or package storage and installed from registry, check registry
     if (!res && pkgInstallSource === 'registry') {