[7.x] Delete legacy search endpoint (#59341)

examples/search_explorer/public/es_strategy.tsx

@@ -33,8 +33,6 @@ import {
 import { DoSearch } from './do_search';
 import { GuideSection } from './guide_section';
 
-// @ts-ignore
-import serverPlugin from '!!raw-loader!./../../../src/plugins/data/server/search/es_search/es_search_service';
 // @ts-ignore
 import serverStrategy from '!!raw-loader!./../../../src/plugins/data/server/search/es_search/es_search_strategy';
 
@@ -127,10 +125,7 @@ export class EsSearchTest extends React.Component<Props, State> {
             },
             {
               title: 'Server',
-              code: [
-                { description: 'es_search_service.ts', snippet: serverPlugin },
-                { description: 'es_search_strategy.ts', snippet: serverStrategy },
-              ],
+              code: [{ description: 'es_search_strategy.ts', snippet: serverStrategy }],
             },
           ]}
           demo={this.renderDemo()}

src/plugins/data/server/search/es_search/index.ts

@@ -17,11 +17,6 @@
  * under the License.
  */
 
-import { PluginInitializerContext } from '../../../../../core/server';
-import { EsSearchService } from './es_search_service';
+export { esSearchStrategyProvider } from './es_search_strategy';
 
 export { ES_SEARCH_STRATEGY, IEsSearchRequest, IEsSearchResponse } from '../../../common/search';
-
-export function esSearchService(initializerContext: PluginInitializerContext) {
-  return new EsSearchService(initializerContext);
-}

src/plugins/data/server/search/i_search_setup.ts

@@ -17,12 +17,9 @@
  * under the License.
  */
 
-import { IContextProvider, APICaller } from 'kibana/server';
+import { IContextProvider } from 'kibana/server';
 import { ISearchContext } from './i_search_context';
-import { IResponseTypesMap, IRequestTypesMap } from './i_search';
 import { TRegisterSearchStrategyProvider, TSearchStrategyProvider } from './i_search_strategy';
-import { TStrategyTypes } from './strategy_types';
-import { DEFAULT_SEARCH_STRATEGY } from '../../common/search';
 
 /**
  * The setup contract exposed by the Search plugin exposes the search strategy extension
@@ -40,12 +37,4 @@ export interface ISearchSetup {
    * strategies.
    */
   registerSearchStrategyProvider: TRegisterSearchStrategyProvider;
-
-  __LEGACY: {
-    search: <T extends TStrategyTypes = typeof DEFAULT_SEARCH_STRATEGY>(
-      caller: APICaller,
-      request: IRequestTypesMap[T],
-      strategyName?: T
-    ) => Promise<IResponseTypesMap[T]>;
-  };
 }

src/plugins/data/server/search/search_service.test.ts

@@ -42,15 +42,6 @@ describe('Search service', () => {
       const setup = plugin.setup(mockCoreSetup);
       expect(setup).toHaveProperty('registerSearchStrategyContext');
       expect(setup).toHaveProperty('registerSearchStrategyProvider');
-      expect(setup).toHaveProperty('__LEGACY');
-    });
-  });
-
-  describe('__LEGACY', () => {
-    it('calls searchAPI.search', async () => {
-      const setup = plugin.setup(mockCoreSetup);
-      setup.__LEGACY.search(jest.fn(), {}, 'foo');
-      expect(mockSearchApi.search).toBeCalled();
     });
   });
 });

src/plugins/data/server/search/search_service.ts

@@ -32,7 +32,7 @@ import {
   TRegisterSearchStrategyProvider,
 } from './i_search_strategy';
 import { IRouteHandlerSearchContext } from './i_route_handler_search_context';
-import { esSearchService } from './es_search';
+import { ES_SEARCH_STRATEGY, esSearchStrategyProvider } from './es_search';
 
 declare module 'kibana/server' {
   interface RequestHandlerContext {
@@ -71,15 +71,6 @@ export class SearchService implements Plugin<ISearchSetup, void> {
     const api: ISearchSetup = {
       registerSearchStrategyContext: this.contextContainer!.registerContext,
       registerSearchStrategyProvider,
-      __LEGACY: {
-        search: (caller, request, strategyName) => {
-          const searchAPI = createApi({
-            caller,
-            searchStrategies: this.searchStrategies,
-          });
-          return searchAPI.search(request, {}, strategyName);
-        },
-      },
     };
 
     api.registerSearchStrategyContext(this.initializerContext.opaqueId, 'core', () => core);
@@ -89,10 +80,11 @@ export class SearchService implements Plugin<ISearchSetup, void> {
       () => this.initializerContext.config.legacy.globalConfig$
     );
 
-    // ES search capabilities are written in a way that it could easily be a separate plugin,
-    // however these two plugins are tightly coupled due to the default search strategy using
-    // es search types.
-    esSearchService(this.initializerContext).setup(core, { search: api });
+    api.registerSearchStrategyProvider(
+      this.initializerContext.opaqueId,
+      ES_SEARCH_STRATEGY,
+      esSearchStrategyProvider
+    );
 
     return api;
   }