[7.x] Don't make the caller do work the function can do (#83180)

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

@@ -16,12 +16,10 @@ import {
 } from '../../../types';
 import { installIndexPatterns } from '../kibana/index_pattern/install';
 import { installTemplates } from '../elasticsearch/template/install';
-import { generateESIndexPatterns } from '../elasticsearch/template/template';
 import { installPipelines, deletePreviousPipelines } from '../elasticsearch/ingest_pipeline/';
 import { installILMPolicy } from '../elasticsearch/ilm/install';
 import { installKibanaAssets, getKibanaAssets } from '../kibana/assets/install';
 import { updateCurrentWriteIndices } from '../elasticsearch/template/template';
-import { isRequiredPackage } from './index';
 import { deleteKibanaSavedObjectsAssets } from './remove';
 import { installTransform } from '../elasticsearch/transform/install';
 import { createInstallation, saveKibanaAssetsRefs, updateVersion } from './install';
@@ -47,30 +45,22 @@ export async function _installPackage({
   installType: InstallType;
   installSource: InstallSource;
 }): Promise<AssetReference[]> {
-  const { internal = false, name: pkgName, version: pkgVersion } = packageInfo;
-  const removable = !isRequiredPackage(pkgName);
-  const toSaveESIndexPatterns = generateESIndexPatterns(packageInfo.data_streams);
+  const { name: pkgName, version: pkgVersion } = packageInfo;
   // add the package installation to the saved object.
   // if some installation already exists, just update install info
-  if (!installedPkg) {
-    await createInstallation({
-      savedObjectsClient,
-      pkgName,
-      pkgVersion,
-      internal,
-      removable,
-      installed_kibana: [],
-      installed_es: [],
-      toSaveESIndexPatterns,
-      installSource,
-    });
-  } else {
+  if (installedPkg) {
     await savedObjectsClient.update(PACKAGES_SAVED_OBJECT_TYPE, pkgName, {
       install_version: pkgVersion,
       install_status: 'installing',
       install_started_at: new Date().toISOString(),
       install_source: installSource,
     });
+  } else {
+    await createInstallation({
+      savedObjectsClient,
+      packageInfo,
+      installSource,
+    });
   }
 
   // kick off `installIndexPatterns` & `installKibanaAssets` as early as possible because they're the longest running operations

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

@@ -4,18 +4,24 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import { SavedObject, SavedObjectsClientContract } from 'src/core/server';
 import semver from 'semver';
 import Boom from '@hapi/boom';
 import { UnwrapPromise } from '@kbn/utility-types';
-import { BulkInstallPackageInfo, InstallSource, defaultPackages } from '../../../../common';
+import { SavedObject, SavedObjectsClientContract } from 'src/core/server';
+import { generateESIndexPatterns } from '../elasticsearch/template/template';
+import { isRequiredPackage } from './index';
+import {
+  BulkInstallPackageInfo,
+  InstallablePackage,
+  InstallSource,
+  defaultPackages,
+} from '../../../../common';
 import { PACKAGES_SAVED_OBJECT_TYPE, MAX_TIME_COMPLETE_INSTALL } from '../../../constants';
 import {
   AssetReference,
   Installation,
   CallESAsCurrentUser,
   AssetType,
-  KibanaAssetReference,
   EsAssetReference,
   InstallType,
   KibanaAssetType,
@@ -346,31 +352,19 @@ export const updateVersion = async (
 };
 export async function createInstallation(options: {
   savedObjectsClient: SavedObjectsClientContract;
-  pkgName: string;
-  pkgVersion: string;
-  internal: boolean;
-  removable: boolean;
-  installed_kibana: KibanaAssetReference[];
-  installed_es: EsAssetReference[];
-  toSaveESIndexPatterns: Record<string, string>;
+  packageInfo: InstallablePackage;
   installSource: InstallSource;
 }) {
-  const {
-    savedObjectsClient,
-    pkgName,
-    pkgVersion,
-    internal,
-    removable,
-    installed_kibana: installedKibana,
-    installed_es: installedEs,
-    toSaveESIndexPatterns,
-    installSource,
-  } = options;
-  await savedObjectsClient.create<Installation>(
+  const { savedObjectsClient, packageInfo, installSource } = options;
+  const { internal = false, name: pkgName, version: pkgVersion } = packageInfo;
+  const removable = !isRequiredPackage(pkgName);
+  const toSaveESIndexPatterns = generateESIndexPatterns(packageInfo.data_streams);
+
+  const created = await savedObjectsClient.create<Installation>(
     PACKAGES_SAVED_OBJECT_TYPE,
     {
-      installed_kibana: installedKibana,
-      installed_es: installedEs,
+      installed_kibana: [],
+      installed_es: [],
       es_index_patterns: toSaveESIndexPatterns,
       name: pkgName,
       version: pkgVersion,
@@ -383,7 +377,8 @@ export async function createInstallation(options: {
     },
     { id: pkgName, overwrite: true }
   );
-  return [...installedKibana, ...installedEs];
+
+  return created;
 }
 
 export const saveKibanaAssetsRefs = async (