elastic · mattkime · Aug 6, 2025 · May 21, 2025 · May 21, 2025 · May 21, 2025
diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
@@ -851,7 +851,9 @@ x-pack/platform/packages/private/security/authorization_core @elastic/kibana-sec
 x-pack/platform/packages/private/security/authorization_core_common @elastic/kibana-security
 x-pack/platform/packages/private/security/role_management_model @elastic/kibana-security
 x-pack/platform/packages/private/security/ui_components @elastic/kibana-security
-x-pack/platform/packages/private/upgrade-assistant @elastic/kibana-management
+x-pack/platform/packages/private/upgrade-assistant/common @elastic/kibana-management
+x-pack/platform/packages/private/upgrade-assistant/public @elastic/kibana-management
+x-pack/platform/packages/private/upgrade-assistant/server @elastic/kibana-management
 x-pack/platform/packages/shared/ai-assistant/ai-assistant-cta @elastic/appex-sharedux
 x-pack/platform/packages/shared/ai-assistant/common @elastic/search-kibana
 x-pack/platform/packages/shared/ai-assistant/icon @elastic/appex-sharedux
@@ -941,6 +943,7 @@ x-pack/platform/plugins/private/monitoring_collection @elastic/stack-monitoring
 x-pack/platform/plugins/private/observability_ai_assistant_management @elastic/obs-ai-assistant
 x-pack/platform/plugins/private/painless_lab @elastic/kibana-management
 x-pack/platform/plugins/private/product_intercept @elastic/appex-sharedux
+x-pack/platform/plugins/private/reindex_service @elastic/kibana-management
 x-pack/platform/plugins/private/remote_clusters @elastic/kibana-management
 x-pack/platform/plugins/private/reporting @elastic/response-ops
 x-pack/platform/plugins/private/rollup @elastic/kibana-management

diff --git a/docs/extend/plugin-list.md b/docs/extend/plugin-list.md
@@ -187,6 +187,7 @@ mapped_pages:
 | [productIntercept](https://github.com/elastic/kibana/blob/main/x-pack/platform/plugins/private/product_intercept/README.md) | This is a standalone plugin that leverages the intercept plugin to display product intercept used to gather information that is turn used to compute CSAT about user's experience of Kibana. |
 | [profiling](https://github.com/elastic/kibana/blob/main/x-pack/solutions/observability/plugins/profiling/README.md) | Universal Profiling provides fleet-wide, whole-system, continuous profiling with zero instrumentation. Get a comprehensive understanding of what lines of code are consuming compute resources throughout your entire fleet by visualizing your data in Kibana using the flamegraph, stacktraces, and top functions views. |
 | [profilingDataAccess](https://github.com/elastic/kibana/blob/main/x-pack/solutions/observability/plugins/profiling_data_access) | WARNING: Missing or empty README. |
+| [reindexService](https://github.com/elastic/kibana/blob/main/x-pack/platform/plugins/private/reindex_service/README.md) | Reindexing as a service |
 | [remoteClusters](https://github.com/elastic/kibana/blob/main/x-pack/platform/plugins/private/remote_clusters/README.md) | This plugin helps users manage their remote clusters, which enable cross-cluster search and cross-cluster replication. |
 | [reporting](https://github.com/elastic/kibana/blob/main/x-pack/platform/plugins/private/reporting/README.md) | An awesome Kibana reporting plugin |
 | [rollup](https://github.com/elastic/kibana/blob/main/x-pack/platform/plugins/private/rollup/README.md) | Welcome to the Kibana rollup plugin! This plugin provides Kibana support for Elasticsearch's rollup feature. Please refer to the Elasticsearch documentation to understand rollup indices and how to create rollup jobs. |

diff --git a/package.json b/package.json
@@ -792,6 +792,7 @@
     "@kbn/react-kibana-mount": "link:src/platform/packages/shared/react/kibana_mount",
     "@kbn/react-mute-legacy-root-warning": "link:src/platform/packages/private/kbn-react-mute-legacy-root-warning",
     "@kbn/recently-accessed": "link:src/platform/packages/shared/kbn-recently-accessed",
+    "@kbn/reindex-service-plugin": "link:x-pack/platform/plugins/private/reindex_service",
     "@kbn/remote-clusters-plugin": "link:x-pack/platform/plugins/private/remote_clusters",
     "@kbn/rendering-plugin": "link:src/platform/test/plugin_functional/plugins/rendering_plugin",
     "@kbn/repo-info": "link:src/platform/packages/shared/kbn-repo-info",
@@ -1051,7 +1052,9 @@
     "@kbn/unified-tabs-examples-plugin": "link:examples/unified_tabs_examples",
     "@kbn/unsaved-changes-badge": "link:src/platform/packages/private/kbn-unsaved-changes-badge",
     "@kbn/unsaved-changes-prompt": "link:src/platform/packages/shared/kbn-unsaved-changes-prompt",
-    "@kbn/upgrade-assistant": "link:x-pack/platform/packages/private/upgrade-assistant",
+    "@kbn/upgrade-assistant-pkg-common": "link:x-pack/platform/packages/private/upgrade-assistant/common",
+    "@kbn/upgrade-assistant-pkg-public": "link:x-pack/platform/packages/private/upgrade-assistant/public",
+    "@kbn/upgrade-assistant-pkg-server": "link:x-pack/platform/packages/private/upgrade-assistant/server",
     "@kbn/upgrade-assistant-plugin": "link:x-pack/platform/plugins/private/upgrade_assistant",
     "@kbn/uptime-plugin": "link:x-pack/solutions/observability/plugins/uptime",
     "@kbn/url-drilldown-plugin": "link:x-pack/platform/plugins/private/drilldowns/url_drilldown",

@@ -120,6 +120,7 @@ pageLoadAssetSize:
   productDocBase: 3058
   productIntercept: 9860
   profiling: 20716
+  reindexService: 2781
   remoteClusters: 10170
   reporting: 58600
   rollup: 12709

@@ -68,5 +68,5 @@ export const storybookAliases = {
   unified_doc_viewer: 'src/platform/plugins/shared/unified_doc_viewer/.storybook',
   unified_search: 'src/platform/plugins/shared/unified_search/.storybook',
   unified_tabs: 'src/platform/packages/shared/kbn-unified-tabs/.storybook',
-  upgrade_assistant: 'x-pack/platform/packages/private/upgrade-assistant/.storybook',
+  upgrade_assistant: 'x-pack/platform/packages/private/upgrade-assistant/public/.storybook',
 };
diff --git a/tsconfig.base.json b/tsconfig.base.json
@@ -1560,6 +1560,8 @@
       "@kbn/react-mute-legacy-root-warning/*": ["src/platform/packages/private/kbn-react-mute-legacy-root-warning/*"],
       "@kbn/recently-accessed": ["src/platform/packages/shared/kbn-recently-accessed"],
       "@kbn/recently-accessed/*": ["src/platform/packages/shared/kbn-recently-accessed/*"],
+      "@kbn/reindex-service-plugin": ["x-pack/platform/plugins/private/reindex_service"],
+      "@kbn/reindex-service-plugin/*": ["x-pack/platform/plugins/private/reindex_service/*"],
       "@kbn/relocate": ["packages/kbn-relocate"],
       "@kbn/relocate/*": ["packages/kbn-relocate/*"],
       "@kbn/remote-clusters-plugin": ["x-pack/platform/plugins/private/remote_clusters"],
@@ -2184,8 +2186,12 @@
       "@kbn/unsaved-changes-badge/*": ["src/platform/packages/private/kbn-unsaved-changes-badge/*"],
       "@kbn/unsaved-changes-prompt": ["src/platform/packages/shared/kbn-unsaved-changes-prompt"],
       "@kbn/unsaved-changes-prompt/*": ["src/platform/packages/shared/kbn-unsaved-changes-prompt/*"],
-      "@kbn/upgrade-assistant": ["x-pack/platform/packages/private/upgrade-assistant"],
-      "@kbn/upgrade-assistant/*": ["x-pack/platform/packages/private/upgrade-assistant/*"],
+      "@kbn/upgrade-assistant-pkg-common": ["x-pack/platform/packages/private/upgrade-assistant/common"],
+      "@kbn/upgrade-assistant-pkg-common/*": ["x-pack/platform/packages/private/upgrade-assistant/common/*"],
+      "@kbn/upgrade-assistant-pkg-public": ["x-pack/platform/packages/private/upgrade-assistant/public"],
+      "@kbn/upgrade-assistant-pkg-public/*": ["x-pack/platform/packages/private/upgrade-assistant/public/*"],
+      "@kbn/upgrade-assistant-pkg-server": ["x-pack/platform/packages/private/upgrade-assistant/server"],
+      "@kbn/upgrade-assistant-pkg-server/*": ["x-pack/platform/packages/private/upgrade-assistant/server/*"],
       "@kbn/upgrade-assistant-plugin": ["x-pack/platform/plugins/private/upgrade_assistant"],
       "@kbn/upgrade-assistant-plugin/*": ["x-pack/platform/plugins/private/upgrade_assistant/*"],
       "@kbn/uptime-plugin": ["x-pack/solutions/observability/plugins/uptime"],

diff --git a/x-pack/.i18nrc.json b/x-pack/.i18nrc.json
@@ -166,7 +166,10 @@
     "xpack.triggersActionsUI": "platform/plugins/shared/triggers_actions_ui",
     "xpack.upgradeAssistant": [
       "platform/plugins/private/upgrade_assistant",
-      "platform/packages/private/upgrade-assistant"
+      "platform/plugins/private/reindex_service",
+      "platform/packages/private/upgrade-assistant/common",
+      "platform/packages/private/upgrade-assistant/public",
+      "platform/packages/private/upgrade-assistant/server"
     ],
     "xpack.uptime": [
       "solutions/observability/plugins/uptime"

@@ -0,0 +1,3 @@
+# @kbn/upgrade-assistant-common
+
+Contains Upgrade Assistant related common code
@@ -0,0 +1,9 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+export * from './src/types';
+export * from './src/constants';
@@ -7,6 +7,6 @@
 
 module.exports = {
   preset: '@kbn/test',
-  rootDir: '../../../../..',
-  roots: ['<rootDir>/x-pack/platform/packages/private/upgrade-assistant'],
+  rootDir: '../../../../../..',
+  roots: ['<rootDir>/x-pack/platform/packages/private/upgrade-assistant/common'],
 };
@@ -0,0 +1,9 @@
+{
+  "type": "shared-common",
+  "id": "@kbn/upgrade-assistant-pkg-common",
+  "owner": [
+    "@elastic/kibana-management"
+  ],
+  "group": "platform",
+  "visibility": "private"
+}
@@ -1,5 +1,5 @@
 {
-  "name": "@kbn/upgrade-assistant",
+  "name": "@kbn/upgrade-assistant-pkg-common",
   "private": true,
   "version": "1.0.0",
   "license": "Elastic License 2.0"

@@ -0,0 +1,12 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+const ML_UPGRADE_OP_TYPE = 'upgrade-assistant-ml-upgrade-operation';
+const REINDEX_OP_TYPE = 'upgrade-assistant-reindex-operation';
+const UA_BASE_PATH = '/api/upgrade_assistant';
+
+export { ML_UPGRADE_OP_TYPE, REINDEX_OP_TYPE, UA_BASE_PATH };
@@ -0,0 +1,143 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { SavedObject } from '@kbn/core/types';
+
+// 8.0 -> 9.0 warnings
+export type IndexWarningType = 'indexSetting' | 'replaceIndexWithAlias' | 'makeIndexReadonly';
+
+export interface IndexWarning {
+  warningType: IndexWarningType;
+  flow: 'reindex' | 'readonly' | 'all';
+  /**
+   * Optional metadata for deprecations
+   *
+   * @remark
+   * For "indexSetting" we want to surface the deprecated settings.
+   */
+  meta?: {
+    [key: string]: string | string[] | boolean;
+  };
+}
+
+export interface QueueSettings {
+  /**
+   * A Unix timestamp of when the reindex operation was enqueued.
+   *
+   * @remark
+   * This is used by the reindexing scheduler to determine execution
+   * order.
+   */
+  queuedAt: number;
+
+  /**
+   * A Unix timestamp of when the reindex operation was started.
+   *
+   * @remark
+   * Updating this field is useful for _also_ updating the saved object "updated_at" field
+   * which is used to determine stale or abandoned reindex operations.
+   *
+   * For now this is used by the reindex worker scheduler to determine whether we have
+   * A queue item at the start of the queue.
+   *
+   */
+  startedAt?: number;
+}
+
+export interface ReindexOptions {
+  /**
+   * Whether to treat the index as if it were closed. This instructs the
+   * reindex strategy to first open the index, perform reindexing and
+   * then close the index again.
+   */
+  openAndClose?: boolean;
+
+  /**
+   * Set this key to configure a reindex operation as part of a
+   * batch to be run in series.
+   */
+  queueSettings?: QueueSettings;
+}
+
+export interface ReindexStatusResponse {
+  meta: {
+    indexName: string;
+    reindexName: string;
+    // Array of aliases pointing to the index being reindexed
+    aliases: string[];
+    isReadonly: boolean;
+    isFrozen: boolean;
+    isInDataStream: boolean;
+    isFollowerIndex: boolean;
+  };
+  warnings?: IndexWarning[];
+  reindexOp?: ReindexOperation;
+  hasRequiredPrivileges?: boolean;
+}
+
+export interface ReindexOperation {
+  indexName: string;
+  newIndexName: string;
+  status: ReindexStatus;
+  lastCompletedStep: ReindexStep;
+  locked: string | null;
+  reindexTaskId: string | null;
+  reindexTaskPercComplete: number | null;
+  errorMessage: string | null;
+  // This field is only used for the singleton IndexConsumerType documents.
+  runningReindexCount: number | null;
+  rollupJob?: string;
+
+  /**
+   * The original index settings to set after reindex is completed.
+   * The target index is created with other defaults to improve reindexing performance.
+   * https://github.com/elastic/kibana/issues/201605
+   */
+  backupSettings?: {
+    'index.number_of_replicas'?: number;
+    'index.refresh_interval'?: number;
+  };
+
+  /**
+   * Options for the reindexing strategy.
+   *
+   * @remark
+   * Marked as optional for backwards compatibility. We should still
+   * be able to handle older ReindexOperation objects.
+   */
+  reindexOptions?: ReindexOptions;
+}
+
+export interface ReindexOperationCancelResponse {
+  acknowledged: true;
+}
+
+export enum ReindexStep {
+  // Enum values are spaced out by 10 to give us room to insert steps in between.
+  created = 0,
+  readonly = 20,
+  newIndexCreated = 30,
+  reindexStarted = 40,
+  reindexCompleted = 50,
+  indexSettingsRestored = 55,
+  aliasCreated = 60,
+  originalIndexDeleted = 70,
+  existingAliasesUpdated = 80,
+}
+
+export enum ReindexStatus {
+  inProgress,
+  completed,
+  failed,
+  paused,
+  cancelled,
+  // Used by the UI to differentiate if there was a failure retrieving
+  // the status from the server API
+  fetchFailed,
+}
+
+export type ReindexSavedObject = SavedObject<ReindexOperation>;
@@ -0,0 +1,21 @@
+{
+  "extends": "../../../../../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "target/types",
+    "types": [
+      "jest",
+      "node",
+      "react"
+    ]
+  },
+  "include": [
+    "**/*.ts",
+    "**/*.tsx",
+  ],
+  "exclude": [
+    "target/**/*"
+  ],
+  "kbn_references": [
+    "@kbn/core",
+  ]
+}
@@ -1,3 +1,3 @@
-# @kbn/upgrade-assistant
+# @kbn/upgrade-assistant-pkg-public
 
 Contains Upgrade Assistant related components and constants to be used by the Upgrade Assistant app.
@@ -0,0 +1,12 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+module.exports = {
+  preset: '@kbn/test',
+  rootDir: '../../../../../..',
+  roots: ['<rootDir>/x-pack/platform/packages/private/upgrade-assistant/public'],
+};
@@ -1,6 +1,6 @@
 {
   "type": "shared-browser",
-  "id": "@kbn/upgrade-assistant",
+  "id": "@kbn/upgrade-assistant-pkg-public",
   "owner": [
     "@elastic/kibana-management"
   ],

@@ -0,0 +1,6 @@
+{
+  "name": "@kbn/upgrade-assistant-pkg-public",
+  "private": true,
+  "version": "1.0.0",
+  "license": "Elastic License 2.0"
+}
@@ -1,5 +1,5 @@
 {
-  "extends": "../../../../../tsconfig.base.json",
+  "extends": "../../../../../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "target/types",
     "types": [

@@ -0,0 +1,3 @@
+# @kbn/upgrade-assistant-pkg-server
+
+Contains Upgrade Assistant related server side utilities.
@@ -0,0 +1,24 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+export type {
+  FlatSettings,
+  IndexWarning,
+  IndexWarningType,
+  ResolveIndexResponseFromES,
+} from './src/types';
+export { getRollupJobByIndexName } from './src/rollup_job';
+export { getReindexWarnings } from './src/index_settings';
+export { Version } from './src/version';
+export { esIndicesStateCheck } from './src/es_indices_state_check';
+export { getIndexState } from './src/get_index_state';
+export {
+  reindexOperationSavedObjectType,
+  mlSavedObjectType,
+  REINDEX_OP_TYPE,
+} from './src/saved_object_types';
+export { versionCheckHandlerWrapper } from './src/es_version_precheck';
@@ -0,0 +1,12 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+module.exports = {
+  preset: '@kbn/test',
+  rootDir: '../../../../../..',
+  roots: ['<rootDir>/x-pack/platform/packages/private/upgrade-assistant/server'],
+};
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		# @kbn/upgrade-assistant-common

		Contains Upgrade Assistant related common code
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		# @kbn/upgrade-assistant-pkg-server

		Contains Upgrade Assistant related server side utilities.