expose LoggingService to legacy platform (#36376) (#36650)

src/core/server/legacy/legacy_service.test.ts

@@ -188,6 +188,7 @@ describe('once LegacyService is set up with connection info', () => {
           someOption: 'foo',
         },
         handledConfigPaths: ['foo.bar'],
+        logger,
       }
     );
 
@@ -214,6 +215,7 @@ describe('once LegacyService is set up with connection info', () => {
           someOption: 'foo',
         },
         handledConfigPaths: ['foo.bar'],
+        logger,
       }
     );
 
@@ -340,6 +342,7 @@ describe('once LegacyService is set up without connection info', () => {
         startDeps: disabledHttpStartDeps,
         serverOptions: { autoListen: false },
         handledConfigPaths: ['foo.bar'],
+        logger,
       }
     );
   });

src/core/server/legacy/legacy_service.ts

@@ -148,6 +148,7 @@ export class LegacyService implements CoreService {
       handledConfigPaths: await this.coreContext.configService.getUsedPaths(),
       setupDeps,
       startDeps,
+      logger: this.coreContext.logger,
     });
 
     // The kbnWorkerType check is necessary to prevent the repl

src/legacy/server/kbn_server.d.ts

@@ -24,6 +24,7 @@ import {
   HttpServiceSetup,
   HttpServiceStart,
   ConfigService,
+  LoggerFactory,
   PluginsServiceSetup,
   PluginsServiceStart,
 } from '../../core/server';
@@ -88,6 +89,9 @@ type Unpromise<T> = T extends Promise<infer U> ? U : T;
 // eslint-disable-next-line import/no-default-export
 export default class KbnServer {
   public readonly newPlatform: {
+    coreContext: {
+      logger: LoggerFactory;
+    };
     setup: {
       core: {
         elasticsearch: ElasticsearchServiceSetup;

src/legacy/server/kbn_server.js

@@ -55,8 +55,11 @@ export default class KbnServer {
     this.rootDir = rootDir;
     this.settings = settings || {};
 
-    const { setupDeps, startDeps, serverOptions, handledConfigPaths } = core;
+    const { setupDeps, startDeps, serverOptions, handledConfigPaths, logger } = core;
     this.newPlatform = {
+      coreContext: {
+        logger,
+      },
       setup: {
         core: {
           elasticsearch: setupDeps.elasticsearch,