[UA] Remove 7->8 multitype check

.github/CODEOWNERS

@@ -991,7 +991,7 @@ x-pack/plugins/telemetry_collection_xpack @elastic/kibana-core
 x-pack/plugins/threat_intelligence @elastic/security-threat-hunting-investigations
 x-pack/plugins/timelines @elastic/security-threat-hunting-investigations
 x-pack/plugins/triggers_actions_ui @elastic/response-ops
-x-pack/plugins/upgrade_assistant @elastic/kibana-management
+x-pack/plugins/upgrade_assistant @elastic/kibana-core
 x-pack/plugins/watcher @elastic/kibana-management
 x-pack/solutions/observability/packages/observability_ai/observability_ai_common @elastic/obs-ai-assistant
 x-pack/solutions/observability/packages/observability_ai/observability_ai_server @elastic/obs-ai-assistant
@@ -2019,7 +2019,7 @@ x-pack/test/api_integration/apis/management/index_management/inference_endpoints
 /x-pack/test/stack_functional_integration/apps/ccs @elastic/kibana-management
 /x-pack/test/functional/services/data_stream.ts @elastic/kibana-management
 /x-pack/test/functional/page_objects/watcher_page.ts @elastic/kibana-management
-/x-pack/test/functional/page_objects/upgrade_assistant_page.ts @elastic/kibana-management
+/x-pack/test/functional/page_objects/upgrade_assistant_page.ts @elastic/kibana-core
 /x-pack/test/functional/page_objects/snapshot_restore_page.ts @elastic/kibana-management
 /x-pack/test/functional/page_objects/rollup_page.ts @elastic/kibana-management
 /x-pack/test/functional/page_objects/ingest_pipelines_page.ts @elastic/kibana-management
@@ -2042,7 +2042,7 @@ x-pack/test/api_integration/apis/management/index_management/inference_endpoints
 /x-pack/test/functional/apps/upgrade_assistant @elastic/kibana-core
 /x-pack/test/functional/apps/dev_tools @elastic/kibana-management
 /test/plugin_functional/test_suites/management @elastic/kibana-management
-/x-pack/test/upgrade_assistant_integration @elastic/kibana-management
+/x-pack/test/upgrade_assistant_integration @elastic/kibana-core
 /test/plugin_functional/plugins/management_test_plugin @elastic/kibana-management
 /test/functional/page_objects/management/*.ts @elastic/kibana-management
 /test/functional/page_objects/embedded_console.ts @elastic/kibana-management
@@ -3243,7 +3243,7 @@ x-pack/platform/plugins/private/snapshot_restore @elastic/kibana-management
 x-pack/platform/plugins/private/telemetry_collection_xpack @elastic/kibana-core
 x-pack/platform/plugins/private/transform @elastic/ml-ui
 x-pack/platform/plugins/private/translations @elastic/kibana-localization
-x-pack/platform/plugins/private/upgrade_assistant @elastic/kibana-management
+x-pack/platform/plugins/private/upgrade_assistant @elastic/kibana-core
 x-pack/platform/plugins/private/watcher @elastic/kibana-management
 x-pack/platform/plugins/shared/actions @elastic/response-ops
 x-pack/platform/plugins/shared/ai_infra/llm_tasks @elastic/appex-ai-infra

x-pack/platform/plugins/private/translations/translations/fr-FR.json

@@ -48401,8 +48401,6 @@
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.flyoutHeader": "Réindexer {index}",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.learnMoreLinkLabel": "En savoir plus",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.acceptChangesTitle": "Accepter les modifications",
-    "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.customTypeNameWarningDetail": "Les types de mapping ne sont plus pris en charge dans Elastic 8.x. Assurez-vous qu'aucun code d'application ou script n'utilise {mappingType}.",
-    "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.customTypeNameWarningTitle": "Remplacer le type de mapping {mappingType} par {defaultType}",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.deprecatedIndexSettingsWarningDetail": "Les paramètres d'index déclassés ont été détectés :",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.deprecatedIndexSettingsWarningTitle": "Retirer les paramètres d'index déclassés",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.destructiveCallout.calloutDetail": "Sauvegardez l'index avant de continuer. Pour poursuivre avec la réindexation, acceptez chaque modification.",

x-pack/platform/plugins/private/translations/translations/ja-JP.json

@@ -48248,8 +48248,6 @@
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.flyoutHeader": "再インデックス{index}",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.learnMoreLinkLabel": "詳細",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.acceptChangesTitle": "変更を承諾",
-    "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.customTypeNameWarningDetail": "マッピングタイプはElastic 8.xではサポートされていません。アプリケーションコードまたはスクリプトが{mappingType}に依存していないことを確認してください。",
-    "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.customTypeNameWarningTitle": "マッピングタイプ{mappingType}を{defaultType}で置き換えます",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.deprecatedIndexSettingsWarningDetail": "次の廃止予定のインデックス設定が検出されました。",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.deprecatedIndexSettingsWarningTitle": "廃止予定のインデックス設定を削除",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.destructiveCallout.calloutDetail": "続行する前に、インデックスをバックアップしてください。再インデックスを続行するには、各変更を承諾してください。",

x-pack/platform/plugins/private/translations/translations/zh-CN.json

@@ -47537,8 +47537,6 @@
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.flyoutHeader": "重新索引 {index}",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.learnMoreLinkLabel": "了解详情",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.acceptChangesTitle": "接受更改",
-    "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.customTypeNameWarningDetail": "映射类型在 Elastic 8.x 中不再受支持。确保没有应用程序代码或脚本依赖 {mappingType}。",
-    "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.customTypeNameWarningTitle": "将映射类型 {mappingType} 替换为 {defaultType}",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.deprecatedIndexSettingsWarningDetail": "检测到以下弃用的索引设置：",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.deprecatedIndexSettingsWarningTitle": "移除弃用的索引设置",
     "xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.destructiveCallout.calloutDetail": "继续前备份索引。要继续重新索引，请接受每个更改。",

x-pack/plugins/upgrade_assistant/common/types.ts

@@ -121,17 +121,15 @@ export interface ReindexOperation {
 
 export type ReindexSavedObject = SavedObject<ReindexOperation>;
 
-// 7.0 -> 8.0 warnings
-export type ReindexWarningTypes = 'customTypeName' | 'indexSetting' | 'replaceIndexWithAlias';
+// 8.0 -> 9.0 warnings
+export type ReindexWarningTypes = 'indexSetting' | 'replaceIndexWithAlias';
 
 export interface ReindexWarning {
   warningType: ReindexWarningTypes;
   /**
    * Optional metadata for deprecations
    *
    * @remark
-   * For example, for the "customTypeName" deprecation,
-   * we want to surface the typeName to the user.
    * For "indexSetting" we want to surface the deprecated settings.
    */
   meta?: {

x-pack/plugins/upgrade_assistant/public/application/components/es_deprecations/deprecation_types/reindex/flyout/warning_step.test.tsx

@@ -52,12 +52,6 @@ describe('WarningsFlyoutStep', () => {
       const defaultPropsWithWarnings = {
         ...defaultProps,
         warnings: [
-          {
-            warningType: 'customTypeName',
-            meta: {
-              typeName: 'my_mapping_type',
-            },
-          },
           {
             warningType: 'indexSetting',
             meta: {
@@ -76,9 +70,7 @@ describe('WarningsFlyoutStep', () => {
       button.simulate('click');
       expect(defaultPropsWithWarnings.continueReindex).not.toHaveBeenCalled();
 
-      // first warning (customTypeName)
-      wrapper.find(`input#${idForWarning(0)}`).simulate('change');
-      // second warning (indexSetting)
+      // first warning (indexSetting)
       wrapper.find(`input#${idForWarning(1)}`).simulate('change');
       button.simulate('click');
 

x-pack/plugins/upgrade_assistant/public/application/components/es_deprecations/deprecation_types/reindex/flyout/warning_step_checkbox.tsx

@@ -82,42 +82,6 @@ export interface WarningCheckboxProps {
   meta?: ReindexWarning['meta'];
 }
 
-export const CustomTypeNameWarningCheckbox: React.FunctionComponent<WarningCheckboxProps> = ({
-  isChecked,
-  onChange,
-  docLinks,
-  id,
-  meta,
-}) => {
-  return (
-    <WarningCheckbox
-      isChecked={isChecked}
-      onChange={onChange}
-      warningId={id}
-      label={
-        <FormattedMessage
-          id="xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.customTypeNameWarningTitle"
-          defaultMessage="Replace mapping type {mappingType} with {defaultType}"
-          values={{
-            mappingType: <EuiCode>{meta!.typeName as string}</EuiCode>,
-            defaultType: <EuiCode>_doc</EuiCode>,
-          }}
-        />
-      }
-      description={
-        <FormattedMessage
-          id="xpack.upgradeAssistant.checkupTab.reindexing.flyout.warningsStep.customTypeNameWarningDetail"
-          defaultMessage="Mapping types are no longer supported in Elastic 8.x. Ensure no application code or scripts rely on {mappingType}."
-          values={{
-            mappingType: <EuiCode>{meta!.typeName as string}</EuiCode>,
-          }}
-        />
-      }
-      documentationUrl={docLinks.elasticsearch.typesRemoval}
-    />
-  );
-};
-
 export const DeprecatedSettingWarningCheckbox: React.FunctionComponent<WarningCheckboxProps> = ({
   isChecked,
   onChange,

x-pack/plugins/upgrade_assistant/public/application/components/es_deprecations/deprecation_types/reindex/flyout/warnings_step.tsx

@@ -27,7 +27,6 @@ import {
 } from '../../../../../../../common/types';
 import { useAppContext } from '../../../../../app_context';
 import {
-  CustomTypeNameWarningCheckbox,
   DeprecatedSettingWarningCheckbox,
   ReplaceIndexWithAliasWarningCheckbox,
   WarningCheckboxProps,
@@ -40,7 +39,6 @@ interface CheckedIds {
 const warningToComponentMap: {
   [key in ReindexWarningTypes]: React.FunctionComponent<WarningCheckboxProps>;
 } = {
-  customTypeName: CustomTypeNameWarningCheckbox,
   indexSetting: DeprecatedSettingWarningCheckbox,
   replaceIndexWithAlias: ReplaceIndexWithAliasWarningCheckbox,
 };

x-pack/plugins/upgrade_assistant/server/lib/reindexing/index_settings.test.ts

@@ -182,71 +182,5 @@ describe('transformFlatSettings', () => {
         })
       ).toEqual([]);
     });
-
-    if (currentMajor === 7) {
-      describe('[7.x] customTypeName warning', () => {
-        it('returns customTypeName warning for non-_doc mapping types', () => {
-          expect(
-            getReindexWarnings({
-              settings: {},
-              mappings: { doc: {} },
-            })
-          ).toEqual([
-            {
-              warningType: 'customTypeName',
-              meta: {
-                typeName: 'doc',
-              },
-            },
-          ]);
-        });
-        it('does not return customTypeName warning for _doc mapping types', () => {
-          expect(
-            getReindexWarnings({
-              settings: {},
-              mappings: { _doc: {} },
-            })
-          ).toEqual([]);
-        });
-      });
-
-      describe('[7.x] deprecatedSetting warning', () => {
-        it('returns deprecatedSetting warning for deprecated index settings', () => {
-          expect(
-            getReindexWarnings({
-              settings: {
-                // Deprecated settings
-                'index.force_memory_term_dictionary': '1024',
-                'index.max_adjacency_matrix_filters': 'true',
-                'index.soft_deletes.enabled': 'true',
-              },
-              mappings: {},
-            })
-          ).toEqual([
-            {
-              warningType: 'indexSetting',
-              meta: {
-                deprecatedSettings: [
-                  'index.force_memory_term_dictionary',
-                  'index.max_adjacency_matrix_filters',
-                  'index.soft_deletes.enabled',
-                ],
-              },
-            },
-          ]);
-        });
-
-        it('does not return a deprecatedSetting warning for there are no deprecated index settings', () => {
-          expect(
-            getReindexWarnings({
-              settings: {
-                'index.number_of_replicas': '1',
-              },
-              mappings: {},
-            })
-          ).toEqual([]);
-        });
-      });
-    }
   });
 });

x-pack/plugins/upgrade_assistant/server/lib/reindexing/index_settings.ts

@@ -8,7 +8,7 @@
 import { flow, omit } from 'lodash';
 import { ReindexWarning } from '../../../common/types';
 import { versionService } from '../version';
-import { FlatSettings, FlatSettingsWithTypeName } from './types';
+import { FlatSettings } from './types';
 export interface ParsedIndexName {
   cleanIndexName: string;
   baseName: string;
@@ -75,27 +75,8 @@ export const generateNewIndexName = (indexName: string): string => {
     : `${currentVersion}-${sourceName}`;
 };
 
-export const getCustomTypeWarning = (
-  flatSettings: FlatSettingsWithTypeName | FlatSettings
-): ReindexWarning | undefined => {
-  const DEFAULT_TYPE_NAME = '_doc';
-  // In 7+, it's not possible to have more than one type,
-  // so always grab the first (and only) key.
-  const typeName = Object.getOwnPropertyNames(flatSettings.mappings)[0];
-  const typeNameWarning = Boolean(typeName && typeName !== DEFAULT_TYPE_NAME);
-
-  if (typeNameWarning) {
-    return {
-      warningType: 'customTypeName',
-      meta: {
-        typeName,
-      },
-    };
-  }
-};
-
 export const getDeprecatedSettingWarning = (
-  flatSettings: FlatSettingsWithTypeName | FlatSettings
+  flatSettings: FlatSettings
 ): ReindexWarning | undefined => {
   const { settings } = flatSettings;
 
@@ -131,19 +112,12 @@ export const getDeprecatedSettingWarning = (
  * Returns an array of warnings that should be displayed to user before reindexing begins.
  * @param flatSettings
  */
-export const getReindexWarnings = (
-  flatSettings: FlatSettingsWithTypeName | FlatSettings
-): ReindexWarning[] => {
+export const getReindexWarnings = (flatSettings: FlatSettings): ReindexWarning[] => {
   const warnings = [] as ReindexWarning[];
 
-  if (versionService.getMajorVersion() === 7) {
-    const customTypeWarning = getCustomTypeWarning(flatSettings);
+  if (versionService.getMajorVersion() === 8) {
     const deprecatedSettingWarning = getDeprecatedSettingWarning(flatSettings);
 
-    if (customTypeWarning) {
-      warnings.push(customTypeWarning);
-    }
-
     if (deprecatedSettingWarning) {
       warnings.push(deprecatedSettingWarning);
     }

x-pack/plugins/upgrade_assistant/server/lib/reindexing/reindex_actions.ts

@@ -20,9 +20,8 @@ import {
   ReindexStatus,
   ReindexStep,
 } from '../../../common/types';
-import { versionService } from '../version';
 import { generateNewIndexName } from './index_settings';
-import { FlatSettings, FlatSettingsWithTypeName } from './types';
+import { FlatSettings } from './types';
 
 // TODO: base on elasticsearch.requestTimeout?
 export const LOCK_WINDOW = moment.duration(90, 'seconds');
@@ -80,10 +79,7 @@ export interface ReindexActions {
    * Retrieve index settings (in flat, dot-notation style) and mappings.
    * @param indexName
    */
-  getFlatSettings(
-    indexName: string,
-    withTypeName?: boolean
-  ): Promise<FlatSettings | FlatSettingsWithTypeName | null>;
+  getFlatSettings(indexName: string): Promise<FlatSettings | null>;
 }
 
 export const reindexActionsFactory = (
@@ -208,23 +204,10 @@ export const reindexActionsFactory = (
     },
 
     async getFlatSettings(indexName: string) {
-      let flatSettings;
-
-      if (versionService.getMajorVersion() === 7) {
-        // On 7.x, we need to get index settings with mapping type
-        flatSettings = await esClient.indices.get({
-          index: indexName,
-          flat_settings: true,
-          // This @ts-ignore is needed on master since the flag is deprecated on >7.x
-          // @ts-ignore
-          include_type_name: true,
-        });
-      } else {
-        flatSettings = await esClient.indices.get({
-          index: indexName,
-          flat_settings: true,
-        });
-      }
+      const flatSettings = await esClient.indices.get({
+        index: indexName,
+        flat_settings: true,
+      });
 
       if (!flatSettings[indexName]) {
         return null;

x-pack/plugins/upgrade_assistant/server/lib/reindexing/types.ts

@@ -26,14 +26,3 @@ export interface FlatSettings {
     _meta?: MetaProperties;
   };
 }
-
-// Specific to 7.x-8 upgrade
-export interface FlatSettingsWithTypeName {
-  settings: estypes.IndicesIndexState['settings'];
-  mappings?: {
-    [typeName: string]: {
-      properties?: MappingProperties;
-      _meta?: MetaProperties;
-    };
-  };
-}

x-pack/plugins/upgrade_assistant/server/routes/reindex_indices/reindex_indices.test.ts

@@ -94,9 +94,9 @@ describe('reindex API', () => {
       });
       mockReindexService.detectReindexWarnings.mockResolvedValueOnce([
         {
-          warningType: 'customTypeName',
+          warningType: 'indexSetting',
           meta: {
-            typeName: 'my_mapping_type',
+            settingA: 'deprecated',
           },
         },
       ]);
@@ -120,9 +120,9 @@ describe('reindex API', () => {
       expect(data.reindexOp).toEqual({ indexName: 'wowIndex', status: ReindexStatus.inProgress });
       expect(data.warnings).toEqual([
         {
-          warningType: 'customTypeName',
+          warningType: 'indexSetting',
           meta: {
-            typeName: 'my_mapping_type',
+            settingA: 'deprecated',
           },
         },
       ]);