async-import plugins in the server side (#170856)

Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>

dev_docs/key_concepts/anatomy_of_a_plugin.mdx

@@ -122,7 +122,7 @@ If you are developing in TypeScript (which we recommend), you will need to add a
 core capabilities as an argument. It should return an instance of its plugin class for Kibana to load.
 
 ```ts
-import type { PluginInitializerContext } from '@kbn/core/server';
+import type { PluginInitializerContext } from '@kbn/core/public';
 import { DemoPlugin } from './plugin';
 
 export function plugin(initializerContext: PluginInitializerContext) {
@@ -177,7 +177,16 @@ export class DemoPlugin implements Plugin {
 
 ### server/index.ts
 
-`server/index.ts` is the entry-point into the server-side code of this plugin. It is identical in almost every way to the client-side entry-point:
+`server/index.ts` is the entry-point into the server-side code of this plugin.
+
+```ts
+import type { PluginInitializerContext } from '@kbn/core/server';
+
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { DemoPlugin } = await import('./plugin');
+  return new DemoPlugin(initializerContext);
+}
+```
 
 ### server/plugin.ts
 

docs/developer/architecture/core/configuration-service.asciidoc

@@ -35,7 +35,7 @@ export type MyPluginConfigType = TypeOf<typeof config.schema>;
 
 * Read config value exposed via `PluginInitializerContext`:
 
-*my_plugin/server/index.ts*
+*my_plugin/server/plugin.ts*
 [source,typescript]
 ----
 import type { PluginInitializerContext } from '@kbn/core/server';

docs/developer/architecture/kibana-platform-plugin-api.asciidoc

@@ -100,9 +100,9 @@ entry-point:
 [source,typescript]
 ----
 import type { PluginInitializerContext } from '@kbn/core/server';
-import { MyPlugin } from './plugin';
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { MyPlugin } = await import('./plugin');
   return new MyPlugin(initializerContext);
 }
 ----

examples/bfetch_explorer/server/index.ts

@@ -6,6 +6,7 @@
  * Side Public License, v 1.
  */
 
-import { BfetchExplorerPlugin } from './plugin';
-
-export const plugin = () => new BfetchExplorerPlugin();
+export const plugin = async () => {
+  const { BfetchExplorerPlugin } = await import('./plugin');
+  return new BfetchExplorerPlugin();
+};

examples/content_management_examples/server/index.ts

@@ -7,8 +7,8 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { ContentManagementExamplesPlugin } from './plugin';
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { ContentManagementExamplesPlugin } = await import('./plugin');
   return new ContentManagementExamplesPlugin(initializerContext);
 }

examples/embeddable_examples/server/index.ts

@@ -8,6 +8,7 @@
 
 import { PluginInitializer } from '@kbn/core/server';
 
-import { EmbeddableExamplesPlugin } from './plugin';
-
-export const plugin: PluginInitializer<void, void> = () => new EmbeddableExamplesPlugin();
+export const plugin: PluginInitializer<void, void> = async () => {
+  const { EmbeddableExamplesPlugin } = await import('./plugin');
+  return new EmbeddableExamplesPlugin();
+};

examples/feature_control_examples/server/index.ts

@@ -6,6 +6,8 @@
  * Side Public License, v 1.
  */
 import { PluginInitializer } from '@kbn/core/server';
-import { FeatureControlsPluginExample } from './plugin';
 
-export const plugin: PluginInitializer<void, void> = () => new FeatureControlsPluginExample();
+export const plugin: PluginInitializer<void, void> = async () => {
+  const { FeatureControlsPluginExample } = await import('./plugin');
+  return new FeatureControlsPluginExample();
+};

examples/field_formats_example/server/index.ts

@@ -6,8 +6,7 @@
  * Side Public License, v 1.
  */
 
-import { FieldFormatsExamplePlugin } from './plugin';
-
-export function plugin() {
+export async function plugin() {
+  const { FieldFormatsExamplePlugin } = await import('./plugin');
   return new FieldFormatsExamplePlugin();
 }

examples/files_example/server/index.ts

@@ -7,11 +7,11 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { FilesExamplePlugin } from './plugin';
 
 //  This exports static code and TypeScript types,
 //  as well as, Kibana Platform `plugin()` initializer.
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { FilesExamplePlugin } = await import('./plugin');
   return new FilesExamplePlugin(initializerContext);
 }

examples/guided_onboarding_example/server/index.ts

@@ -7,6 +7,8 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { GuidedOnboardingExamplePlugin } from './plugin';
 
-export const plugin = (ctx: PluginInitializerContext) => new GuidedOnboardingExamplePlugin(ctx);
+export const plugin = async (ctx: PluginInitializerContext) => {
+  const { GuidedOnboardingExamplePlugin } = await import('./plugin');
+  return new GuidedOnboardingExamplePlugin(ctx);
+};

examples/preboot_example/server/index.ts

@@ -10,11 +10,13 @@ import type { TypeOf } from '@kbn/config-schema';
 import type { PluginConfigDescriptor, PluginInitializerContext } from '@kbn/core/server';
 
 import { ConfigSchema } from './config';
-import { PrebootExamplePlugin } from './plugin';
 
 export const config: PluginConfigDescriptor<TypeOf<typeof ConfigSchema>> = {
   schema: ConfigSchema,
   exposeToBrowser: { token: true },
 };
 
-export const plugin = (context: PluginInitializerContext) => new PrebootExamplePlugin(context);
+export const plugin = async (context: PluginInitializerContext) => {
+  const { PrebootExamplePlugin } = await import('./plugin');
+  return new PrebootExamplePlugin(context);
+};

examples/response_stream/server/index.ts

@@ -8,8 +8,7 @@
 
 import { PluginInitializerContext } from '@kbn/core/server';
 
-import { ResponseStreamPlugin } from './plugin';
-
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { ResponseStreamPlugin } = await import('./plugin');
   return new ResponseStreamPlugin(initializerContext);
 }

examples/routing_example/server/index.ts

@@ -8,6 +8,7 @@
 
 import { PluginInitializer } from '@kbn/core/server';
 
-import { RoutingExamplePlugin } from './plugin';
-
-export const plugin: PluginInitializer<{}, {}> = () => new RoutingExamplePlugin();
+export const plugin: PluginInitializer<{}, {}> = async () => {
+  const { RoutingExamplePlugin } = await import('./plugin');
+  return new RoutingExamplePlugin();
+};

examples/screenshot_mode_example/server/index.ts

@@ -7,6 +7,8 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { ScreenshotModeExamplePlugin } from './plugin';
 
-export const plugin = (ctx: PluginInitializerContext) => new ScreenshotModeExamplePlugin(ctx);
+export const plugin = async (ctx: PluginInitializerContext) => {
+  const { ScreenshotModeExamplePlugin } = await import('./plugin');
+  return new ScreenshotModeExamplePlugin(ctx);
+};

examples/search_examples/server/index.ts

@@ -7,9 +7,9 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { SearchExamplesPlugin } from './plugin';
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { SearchExamplesPlugin } = await import('./plugin');
   return new SearchExamplesPlugin(initializerContext);
 }
 

examples/user_profile_examples/server/index.ts

@@ -5,6 +5,8 @@
  * in compliance with, at your election, the Elastic License 2.0 or the Server
  * Side Public License, v 1.
  */
-import { UserProfilesPlugin } from './plugin';
 
-export const plugin = () => new UserProfilesPlugin();
+export const plugin = async () => {
+  const { UserProfilesPlugin } = await import('./plugin');
+  return new UserProfilesPlugin();
+};

examples/v8_profiler_examples/server/index.ts

@@ -7,8 +7,8 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { V8ProfilerExamplesPlugin } from './plugin';
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { V8ProfilerExamplesPlugin } = await import('./plugin');
   return new V8ProfilerExamplesPlugin(initializerContext);
 }

packages/core/plugins/core-plugins-server-internal/src/plugin.test.ts

@@ -157,7 +157,7 @@ describe('`constructor` correctly sets non-external source', () => {
   });
 });
 
-test('`setup` fails if `plugin` initializer is not exported', () => {
+test('`setup` fails if the plugin has not been initialized', () => {
   const manifest = createPluginManifest();
   const opaqueId = Symbol();
   const plugin = new PluginWrapper({
@@ -176,11 +176,32 @@ test('`setup` fails if `plugin` initializer is not exported', () => {
   expect(() =>
     plugin.setup(createPluginSetupContext({ deps: setupDeps, plugin, runtimeResolver }), {})
   ).toThrowErrorMatchingInlineSnapshot(
+    `"The plugin is not initialized. Call the init method first."`
+  );
+});
+
+test('`init` fails if `plugin` initializer is not exported', async () => {
+  const manifest = createPluginManifest();
+  const opaqueId = Symbol();
+  const plugin = new PluginWrapper({
+    path: 'plugin-without-initializer-path',
+    manifest,
+    opaqueId,
+    initializerContext: createPluginInitializerContext({
+      coreContext,
+      opaqueId,
+      manifest,
+      instanceInfo,
+      nodeInfo,
+    }),
+  });
+
+  await expect(() => plugin.init()).rejects.toThrowErrorMatchingInlineSnapshot(
     `"Plugin \\"some-plugin-id\\" does not export \\"plugin\\" definition (plugin-without-initializer-path)."`
   );
 });
 
-test('`setup` fails if plugin initializer is not a function', () => {
+test('`init` fails if plugin initializer is not a function', async () => {
   const manifest = createPluginManifest();
   const opaqueId = Symbol();
   const plugin = new PluginWrapper({
@@ -196,14 +217,12 @@ test('`setup` fails if plugin initializer is not a function', () => {
     }),
   });
 
-  expect(() =>
-    plugin.setup(createPluginSetupContext({ deps: setupDeps, plugin, runtimeResolver }), {})
-  ).toThrowErrorMatchingInlineSnapshot(
+  await expect(() => plugin.init()).rejects.toThrowErrorMatchingInlineSnapshot(
     `"Definition of plugin \\"some-plugin-id\\" should be a function (plugin-with-wrong-initializer-path)."`
   );
 });
 
-test('`setup` fails if initializer does not return object', () => {
+test('`init` fails if initializer does not return object', async () => {
   const manifest = createPluginManifest();
   const opaqueId = Symbol();
   const plugin = new PluginWrapper({
@@ -219,16 +238,14 @@ test('`setup` fails if initializer does not return object', () => {
     }),
   });
 
-  mockPluginInitializer.mockReturnValue(null);
+  mockPluginInitializer.mockResolvedValue(null);
 
-  expect(() =>
-    plugin.setup(createPluginSetupContext({ deps: setupDeps, plugin, runtimeResolver }), {})
-  ).toThrowErrorMatchingInlineSnapshot(
+  await expect(() => plugin.init()).rejects.toThrowErrorMatchingInlineSnapshot(
     `"Initializer for plugin \\"some-plugin-id\\" is expected to return plugin instance, but returned \\"null\\"."`
   );
 });
 
-test('`setup` fails if object returned from initializer does not define `setup` function', () => {
+test('`init` fails if object returned from initializer does not define `setup` function', async () => {
   const manifest = createPluginManifest();
   const opaqueId = Symbol();
   const plugin = new PluginWrapper({
@@ -245,11 +262,9 @@ test('`setup` fails if object returned from initializer does not define `setup`
   });
 
   const mockPluginInstance = { run: jest.fn() };
-  mockPluginInitializer.mockReturnValue(mockPluginInstance);
+  mockPluginInitializer.mockResolvedValue(mockPluginInstance);
 
-  expect(() =>
-    plugin.setup(createPluginSetupContext({ deps: setupDeps, plugin, runtimeResolver }), {})
-  ).toThrowErrorMatchingInlineSnapshot(
+  await expect(() => plugin.init()).rejects.toThrowErrorMatchingInlineSnapshot(
     `"Instance of plugin \\"some-plugin-id\\" does not define \\"setup\\" function."`
   );
 });
@@ -272,7 +287,9 @@ test('`setup` initializes plugin and calls appropriate lifecycle hook', async ()
   });
 
   const mockPluginInstance = { setup: jest.fn().mockResolvedValue({ contract: 'yes' }) };
-  mockPluginInitializer.mockReturnValue(mockPluginInstance);
+  mockPluginInitializer.mockResolvedValue(mockPluginInstance);
+
+  await plugin.init();
 
   const setupContext = createPluginSetupContext({ deps: setupDeps, plugin, runtimeResolver });
   const setupDependencies = { 'some-required-dep': { contract: 'no' } };
@@ -323,8 +340,9 @@ test('`start` fails invoked for the `preboot` plugin', async () => {
   });
 
   const mockPluginInstance = { setup: jest.fn() };
-  mockPluginInitializer.mockReturnValue(mockPluginInstance);
+  mockPluginInitializer.mockResolvedValue(mockPluginInstance);
 
+  await plugin.init();
   await plugin.setup({} as any, {} as any);
 
   expect(() => plugin.start({} as any, {} as any)).toThrowErrorMatchingInlineSnapshot(
@@ -355,8 +373,9 @@ test('`start` calls plugin.start with context and dependencies', async () => {
     setup: jest.fn(),
     start: jest.fn().mockResolvedValue(pluginStartContract),
   };
-  mockPluginInitializer.mockReturnValue(mockPluginInstance);
+  mockPluginInitializer.mockResolvedValue(mockPluginInstance);
 
+  await plugin.init();
   await plugin.setup({} as any, {} as any);
 
   const startContract = await plugin.start(context, deps);
@@ -399,8 +418,9 @@ test("`start` resolves `startDependencies` Promise after plugin's start", async
       return pluginStartContract;
     },
   };
-  mockPluginInitializer.mockReturnValue(mockPluginInstance);
+  mockPluginInitializer.mockResolvedValue(mockPluginInstance);
 
+  await plugin.init();
   await plugin.setup({} as any, {} as any);
 
   const startDependenciesCheck = plugin.startDependencies.then((resolvedStartDeps) => {
@@ -429,7 +449,7 @@ test('`stop` fails if plugin is not set up', async () => {
   });
 
   const mockPluginInstance = { setup: jest.fn(), stop: jest.fn() };
-  mockPluginInitializer.mockReturnValue(mockPluginInstance);
+  mockPluginInitializer.mockResolvedValue(mockPluginInstance);
 
   await expect(plugin.stop()).rejects.toMatchInlineSnapshot(
     `[Error: Plugin "some-plugin-id" can't be stopped since it isn't set up.]`
@@ -453,7 +473,8 @@ test('`stop` does nothing if plugin does not define `stop` function', async () =
     }),
   });
 
-  mockPluginInitializer.mockReturnValue({ setup: jest.fn() });
+  mockPluginInitializer.mockResolvedValue({ setup: jest.fn() });
+  await plugin.init();
   await plugin.setup(createPluginSetupContext({ deps: setupDeps, plugin, runtimeResolver }), {});
 
   await expect(plugin.stop()).resolves.toBeUndefined();
@@ -476,7 +497,8 @@ test('`stop` calls `stop` defined by the plugin instance', async () => {
   });
 
   const mockPluginInstance = { setup: jest.fn(), stop: jest.fn() };
-  mockPluginInitializer.mockReturnValue(mockPluginInstance);
+  mockPluginInitializer.mockResolvedValue(mockPluginInstance);
+  await plugin.init();
   await plugin.setup(createPluginSetupContext({ deps: setupDeps, plugin, runtimeResolver }), {});
 
   await expect(plugin.stop()).resolves.toBeUndefined();

packages/core/plugins/core-plugins-server-internal/src/plugin.ts

@@ -87,6 +87,10 @@ export class PluginWrapper<
     this.includesUiPlugin = params.manifest.ui;
   }
 
+  public async init() {
+    this.instance = await this.createPluginInstance();
+  }
+
   /**
    * Instantiates plugin and calls `setup` function exposed by the plugin initializer.
    * @param setupContext Context that consists of various core services tailored specifically
@@ -98,7 +102,9 @@ export class PluginWrapper<
     setupContext: CoreSetup<TPluginsStart> | CorePreboot,
     plugins: TPluginsSetup
   ): TSetup | Promise<TSetup> {
-    this.instance = this.createPluginInstance();
+    if (!this.instance) {
+      throw new Error('The plugin is not initialized. Call the init method first.');
+    }
 
     if (this.isPrebootPluginInstance(this.instance)) {
       return this.instance.setup(setupContext as CorePreboot, plugins);
@@ -170,7 +176,7 @@ export class PluginWrapper<
     return configDescriptor;
   }
 
-  private createPluginInstance() {
+  private async createPluginInstance() {
     this.log.debug('Initializing plugin');
 
     // eslint-disable-next-line @typescript-eslint/no-var-requires
@@ -186,7 +192,7 @@ export class PluginWrapper<
       throw new Error(`Definition of plugin "${this.name}" should be a function (${this.path}).`);
     }
 
-    const instance = initializer(this.initializerContext);
+    const instance = await initializer(this.initializerContext);
     if (!instance || typeof instance !== 'object') {
       throw new Error(
         `Initializer for plugin "${

packages/core/plugins/core-plugins-server-internal/src/plugins_system.test.ts

@@ -43,7 +43,7 @@ function createPlugin(
     type?: PluginType;
   } = {}
 ): PluginWrapper<any, any> {
-  return new PluginWrapper<any, any>({
+  const plugin = new PluginWrapper<any, any>({
     path: 'some-path',
     manifest: {
       id,
@@ -62,6 +62,8 @@ function createPlugin(
     opaqueId: Symbol(id),
     initializerContext: { logger } as any,
   });
+  jest.spyOn(plugin, 'init').mockResolvedValue();
+  return plugin;
 }
 
 const prebootDeps = coreInternalLifecycleMock.createInternalPreboot();
@@ -602,7 +604,10 @@ describe('setup', () => {
     mockCreatePluginSetupContext.mockImplementation(() => ({}));
 
     const promise = pluginsSystem.setupPlugins(setupDeps);
-    jest.runAllTimers();
+    process.nextTick(() => {
+      // let the await init go through. then simulate the timeout
+      jest.runAllTimers();
+    });
 
     await expect(promise).rejects.toMatchInlineSnapshot(
       `[Error: Setup lifecycle of "timeout-setup" plugin wasn't completed in 10sec. Consider disabling the plugin and re-start.]`

packages/core/plugins/core-plugins-server-internal/src/plugins_system.ts

@@ -131,6 +131,7 @@ export class PluginsSystem<T extends PluginType> {
         });
       }
 
+      await plugin.init();
       let contract: unknown;
       const contractOrPromise = plugin.setup(pluginSetupContext, pluginDepContracts);
       if (isPromise(contractOrPromise)) {

packages/core/plugins/core-plugins-server/src/types.ts

@@ -473,7 +473,8 @@ export type PluginInitializer<
   TPluginsStart extends object = object
 > = (
   core: PluginInitializerContext
-) =>
+) => Promise<
   | Plugin<TSetup, TStart, TPluginsSetup, TPluginsStart>
   | PrebootPlugin<TSetup, TPluginsSetup>
-  | AsyncPlugin<TSetup, TStart, TPluginsSetup, TPluginsStart>;
+  | AsyncPlugin<TSetup, TStart, TPluginsSetup, TPluginsStart>
+>;

packages/kbn-plugin-generator/template/server/index.ts.ejs

@@ -1,11 +1,10 @@
 import { PluginInitializerContext } from '<%= importFromRoot('src/core/server') %>';
-import { <%= upperCamelCase(name) %>Plugin } from './plugin';
-
 
 //  This exports static code and TypeScript types,
 //  as well as, Kibana Platform `plugin()` initializer.
 
- export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { <%= upperCamelCase(name) %>Plugin } = await import('./plugin');
   return new <%= upperCamelCase(name) %>Plugin(initializerContext);
 }
 

src/plugins/advanced_settings/server/index.ts

@@ -7,9 +7,10 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { AdvancedSettingsServerPlugin } from './plugin';
 
 export { config } from './config';
 
-export const plugin = (initContext: PluginInitializerContext) =>
-  new AdvancedSettingsServerPlugin(initContext);
+export const plugin = async (initContext: PluginInitializerContext) => {
+  const { AdvancedSettingsServerPlugin } = await import('./plugin');
+  return new AdvancedSettingsServerPlugin(initContext);
+};

src/plugins/bfetch/server/index.ts

@@ -7,10 +7,10 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { BfetchServerPlugin } from './plugin';
 
 export type { BfetchServerSetup, BfetchServerStart, BatchProcessingRouteParams } from './plugin';
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { BfetchServerPlugin } = await import('./plugin');
   return new BfetchServerPlugin(initializerContext);
 }

src/plugins/bfetch/server/mocks.ts

@@ -31,7 +31,7 @@ const createPlugin = async () => {
   const pluginInitializerContext = coreMock.createPluginInitializerContext();
   const coreSetup = coreMock.createSetup();
   const coreStart = coreMock.createStart();
-  const plugin = pluginInitializer(pluginInitializerContext);
+  const plugin = await pluginInitializer(pluginInitializerContext);
   const setup = await plugin.setup(coreSetup, {});
 
   return {

src/plugins/chart_expressions/expression_gauge/server/index.ts

@@ -6,8 +6,7 @@
  * Side Public License, v 1.
  */
 
-import { ExpressionGaugePlugin } from './plugin';
-
-export function plugin() {
+export async function plugin() {
+  const { ExpressionGaugePlugin } = await import('./plugin');
   return new ExpressionGaugePlugin();
 }

src/plugins/chart_expressions/expression_heatmap/server/index.ts

@@ -6,8 +6,7 @@
  * Side Public License, v 1.
  */
 
-import { ExpressionHeatmapPlugin } from './plugin';
-
-export function plugin() {
+export async function plugin() {
+  const { ExpressionHeatmapPlugin } = await import('./plugin');
   return new ExpressionHeatmapPlugin();
 }

src/plugins/chart_expressions/expression_legacy_metric/server/index.ts

@@ -6,8 +6,7 @@
  * Side Public License, v 1.
  */
 
-import { ExpressionLegacyMetricPlugin } from './plugin';
-
-export function plugin() {
+export async function plugin() {
+  const { ExpressionLegacyMetricPlugin } = await import('./plugin');
   return new ExpressionLegacyMetricPlugin();
 }

src/plugins/chart_expressions/expression_metric/server/index.ts

@@ -6,8 +6,7 @@
  * Side Public License, v 1.
  */
 
-import { ExpressionMetricPlugin } from './plugin';
-
-export function plugin() {
+export async function plugin() {
+  const { ExpressionMetricPlugin } = await import('./plugin');
   return new ExpressionMetricPlugin();
 }

src/plugins/chart_expressions/expression_partition_vis/server/index.ts

@@ -6,9 +6,8 @@
  * Side Public License, v 1.
  */
 
-import { ExpressionPartitionVisPlugin } from './plugin';
-
-export function plugin() {
+export async function plugin() {
+  const { ExpressionPartitionVisPlugin } = await import('./plugin');
   return new ExpressionPartitionVisPlugin();
 }
 

src/plugins/chart_expressions/expression_tagcloud/server/index.ts

@@ -6,8 +6,7 @@
  * Side Public License, v 1.
  */
 
-import { ExpressionTagcloudPlugin } from './plugin';
-
-export function plugin() {
+export async function plugin() {
+  const { ExpressionTagcloudPlugin } = await import('./plugin');
   return new ExpressionTagcloudPlugin();
 }

src/plugins/chart_expressions/expression_xy/server/index.ts

@@ -6,9 +6,8 @@
  * Side Public License, v 1.
  */
 
-import { ExpressionXyPlugin } from './plugin';
-
-export function plugin() {
+export async function plugin() {
+  const { ExpressionXyPlugin } = await import('./plugin');
   return new ExpressionXyPlugin();
 }
 

src/plugins/charts/server/index.ts

@@ -6,8 +6,10 @@
  * Side Public License, v 1.
  */
 
-import { ChartsServerPlugin } from './plugin';
 export type { CustomPaletteArguments, CustomPaletteState, SystemPaletteArguments } from '../common';
 export { paletteIds } from '../common';
 
-export const plugin = () => new ChartsServerPlugin();
+export const plugin = async () => {
+  const { ChartsServerPlugin } = await import('./plugin');
+  return new ChartsServerPlugin();
+};

src/plugins/console/server/index.ts

@@ -8,10 +8,12 @@
 
 import { PluginInitializerContext } from '@kbn/core/server';
 
-import { ConsoleServerPlugin } from './plugin';
-
 export type { ConsoleSetup, ConsoleStart } from './types';
 
 export { config } from './config';
 
-export const plugin = (ctx: PluginInitializerContext) => new ConsoleServerPlugin(ctx);
+export const plugin = async (ctx: PluginInitializerContext) => {
+  const { ConsoleServerPlugin } = await import('./plugin');
+
+  return new ConsoleServerPlugin(ctx);
+};

src/plugins/content_management/server/index.ts

@@ -7,9 +7,8 @@
  */
 import type { PluginInitializerContext } from '@kbn/core/server';
 
-import { ContentManagementPlugin } from './plugin';
-
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { ContentManagementPlugin } = await import('./plugin');
   return new ContentManagementPlugin(initializerContext);
 }
 

src/plugins/controls/server/index.ts

@@ -6,8 +6,9 @@
  * Side Public License, v 1.
  */
 
-import { ControlsPlugin } from './plugin';
-
-export const plugin = () => new ControlsPlugin();
+export const plugin = async () => {
+  const { ControlsPlugin } = await import('./plugin');
+  return new ControlsPlugin();
+};
 
 export { initializeControlGroupTelemetry } from './control_group/control_group_telemetry';

src/plugins/custom_integrations/server/index.ts

@@ -8,12 +8,12 @@
 
 import { schema } from '@kbn/config-schema';
 import { PluginInitializerContext } from '@kbn/core/server';
-import { CustomIntegrationsPlugin } from './plugin';
 
 //  This exports static code and TypeScript types,
 //  as well as, Kibana Platform `plugin()` initializer.
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { CustomIntegrationsPlugin } = await import('./plugin');
   return new CustomIntegrationsPlugin(initializerContext);
 }
 

src/plugins/dashboard/server/index.ts

@@ -7,7 +7,6 @@
  */
 
 import { PluginInitializerContext, PluginConfigDescriptor } from '@kbn/core/server';
-import { DashboardPlugin } from './plugin';
 import { configSchema, ConfigSchema } from '../config';
 
 export const config: PluginConfigDescriptor<ConfigSchema> = {
@@ -20,7 +19,8 @@ export const config: PluginConfigDescriptor<ConfigSchema> = {
 //  This exports static code and TypeScript types,
 //  as well as, Kibana Platform `plugin()` initializer.
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { DashboardPlugin } = await import('./plugin');
   return new DashboardPlugin(initializerContext);
 }
 

src/plugins/data/server/index.ts

@@ -8,7 +8,7 @@
 
 import { PluginConfigDescriptor, PluginInitializerContext } from '@kbn/core/server';
 import { ConfigSchema, configSchema } from '../config';
-import { DataServerPlugin, DataPluginSetup, DataPluginStart } from './plugin';
+import type { DataServerPlugin, DataPluginSetup, DataPluginStart } from './plugin';
 
 export { getEsQueryConfig, DEFAULT_QUERY_LANGUAGE } from '../common';
 
@@ -101,12 +101,13 @@ export { getTime, parseInterval } from '../common';
  * @public
  */
 
-export function plugin(initializerContext: PluginInitializerContext<ConfigSchema>) {
+export async function plugin(initializerContext: PluginInitializerContext<ConfigSchema>) {
+  const { DataServerPlugin } = await import('./plugin');
   return new DataServerPlugin(initializerContext);
 }
 
 export type { DataPluginSetup as PluginSetup, DataPluginStart as PluginStart };
-export { DataServerPlugin as Plugin };
+export type { DataServerPlugin as Plugin };
 
 export const config: PluginConfigDescriptor<ConfigSchema> = {
   deprecations: configDeprecationProvider,

src/plugins/data_view_field_editor/server/index.ts

@@ -6,8 +6,8 @@
  * Side Public License, v 1.
  */
 import { PluginInitializerContext } from '@kbn/core/server';
-import { IndexPatternPlugin } from './plugin';
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { IndexPatternPlugin } = await import('./plugin');
   return new IndexPatternPlugin(initializerContext);
 }

src/plugins/data_view_management/server/index.ts

@@ -7,8 +7,8 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { IndexPatternManagementPlugin } from './plugin';
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { IndexPatternManagementPlugin } = await import('./plugin');
   return new IndexPatternManagementPlugin(initializerContext);
 }

src/plugins/data_views/server/index.ts

@@ -19,7 +19,7 @@ export type {
 } from './types';
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { DataViewsServerPlugin } from './plugin';
+import type { DataViewsServerPlugin } from './plugin';
 import { DataViewsServerPluginSetup, DataViewsServerPluginStart } from './types';
 export type { dataViewsServiceFactory } from './data_views_service_factory';
 
@@ -28,7 +28,8 @@ export type { dataViewsServiceFactory } from './data_views_service_factory';
  * @public
  */
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { DataViewsServerPlugin } = await import('./plugin');
   return new DataViewsServerPlugin(initializerContext);
 }
 
@@ -36,7 +37,7 @@ export type {
   DataViewsServerPluginSetup as PluginSetup,
   DataViewsServerPluginStart as PluginStart,
 };
-export { DataViewsServerPlugin as Plugin };
+export type { DataViewsServerPlugin as Plugin };
 
 const configSchema = schema.object({
   scriptedFieldsEnabled: schema.conditional(

src/plugins/dev_tools/server/index.ts

@@ -7,9 +7,10 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { DevToolsServerPlugin } from './plugin';
 
 export { config } from './config';
 
-export const plugin = (initContext: PluginInitializerContext) =>
-  new DevToolsServerPlugin(initContext);
+export const plugin = async (initContext: PluginInitializerContext) => {
+  const { DevToolsServerPlugin } = await import('./plugin');
+  return new DevToolsServerPlugin(initContext);
+};

src/plugins/discover/server/index.ts

@@ -9,7 +9,6 @@
 import { KibanaRequest } from '@kbn/core/server';
 import { DataPluginStart } from '@kbn/data-plugin/server/plugin';
 import { ColumnsFromLocatorFn, SearchSourceFromLocatorFn, TitleFromLocatorFn } from './locator';
-import { DiscoverServerPlugin } from './plugin';
 
 export interface DiscoverServerPluginStartDeps {
   data: DataPluginStart;
@@ -29,4 +28,7 @@ export interface DiscoverServerPluginStart {
   locator: DiscoverServerPluginLocatorService;
 }
 
-export const plugin = () => new DiscoverServerPlugin();
+export const plugin = async () => {
+  const { DiscoverServerPlugin } = await import('./plugin');
+  return new DiscoverServerPlugin();
+};

src/plugins/embeddable/server/index.ts

@@ -6,7 +6,7 @@
  * Side Public License, v 1.
  */
 
-import { EmbeddableServerPlugin, EmbeddableSetup, EmbeddableStart } from './plugin';
+import { EmbeddableSetup, EmbeddableStart } from './plugin';
 
 export type { EmbeddableSetup, EmbeddableStart };
 
@@ -14,4 +14,7 @@ export type { EnhancementRegistryDefinition } from './types';
 
 export type { EmbeddableRegistryDefinition } from '../common';
 
-export const plugin = () => new EmbeddableServerPlugin();
+export const plugin = async () => {
+  const { EmbeddableServerPlugin } = await import('./plugin');
+  return new EmbeddableServerPlugin();
+};

src/plugins/es_ui_shared/server/index.ts

@@ -9,7 +9,7 @@
 export { handleEsError, parseEsError } from './errors';
 
 /** dummy plugin*/
-export function plugin() {
+export async function plugin() {
   return new (class EsUiSharedPlugin {
     setup() {}
     start() {}

src/plugins/event_annotation/server/index.ts

@@ -7,7 +7,8 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core-plugins-server';
-import { EventAnnotationServerPlugin } from './plugin';
 
-export const plugin = (initializerContext: PluginInitializerContext) =>
-  new EventAnnotationServerPlugin(initializerContext);
+export const plugin = async (initializerContext: PluginInitializerContext) => {
+  const { EventAnnotationServerPlugin } = await import('./plugin');
+  return new EventAnnotationServerPlugin(initializerContext);
+};

src/plugins/expression_image/server/index.ts

@@ -6,10 +6,9 @@
  * Side Public License, v 1.
  */
 
-import { ExpressionImagePlugin } from './plugin';
-
 export type { ExpressionImagePluginSetup, ExpressionImagePluginStart } from './plugin';
 
-export function plugin() {
+export async function plugin() {
+  const { ExpressionImagePlugin } = await import('./plugin');
   return new ExpressionImagePlugin();
 }

src/plugins/expression_metric/server/index.ts

@@ -6,10 +6,9 @@
  * Side Public License, v 1.
  */
 
-import { ExpressionMetricPlugin } from './plugin';
-
 export type { ExpressionMetricPluginSetup, ExpressionMetricPluginStart } from './plugin';
 
-export function plugin() {
+export async function plugin() {
+  const { ExpressionMetricPlugin } = await import('./plugin');
   return new ExpressionMetricPlugin();
 }

src/plugins/expression_repeat_image/server/index.ts

@@ -6,10 +6,9 @@
  * Side Public License, v 1.
  */
 
-import { ExpressionRepeatImagePlugin } from './plugin';
-
 export type { ExpressionRepeatImagePluginSetup, ExpressionRepeatImagePluginStart } from './plugin';
 
-export function plugin() {
+export async function plugin() {
+  const { ExpressionRepeatImagePlugin } = await import('./plugin');
   return new ExpressionRepeatImagePlugin();
 }

src/plugins/expression_reveal_image/server/index.ts

@@ -6,10 +6,9 @@
  * Side Public License, v 1.
  */
 
-import { ExpressionRevealImagePlugin } from './plugin';
-
 export type { ExpressionRevealImagePluginSetup, ExpressionRevealImagePluginStart } from './plugin';
 
-export function plugin() {
+export async function plugin() {
+  const { ExpressionRevealImagePlugin } = await import('./plugin');
   return new ExpressionRevealImagePlugin();
 }

src/plugins/expression_shape/server/index.ts

@@ -6,10 +6,9 @@
  * Side Public License, v 1.
  */
 
-import { ExpressionShapePlugin } from './plugin';
-
 export type { ExpressionShapePluginSetup, ExpressionShapePluginStart } from './plugin';
 
-export function plugin() {
+export async function plugin() {
+  const { ExpressionShapePlugin } = await import('./plugin');
   return new ExpressionShapePlugin();
 }

src/plugins/expressions/server/index.ts

@@ -7,13 +7,14 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { ExpressionsServerPlugin } from './plugin';
+import type { ExpressionsServerPlugin } from './plugin';
 
 export type { ExpressionsServerSetup, ExpressionsServerStart } from './plugin';
 
 // Kibana Platform.
 export { ExpressionsServerPlugin as Plugin };
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { ExpressionsServerPlugin } = await import('./plugin');
   return new ExpressionsServerPlugin(initializerContext);
 }
 

src/plugins/expressions/server/mocks.ts

@@ -41,7 +41,7 @@ const createPlugin = async () => {
   const pluginInitializerContext = coreMock.createPluginInitializerContext();
   const coreSetup = coreMock.createSetup();
   const coreStart = coreMock.createStart();
-  const plugin = pluginInitializer(pluginInitializerContext);
+  const plugin = await pluginInitializer(pluginInitializerContext);
   const setup = await plugin.setup(coreSetup);
 
   return {

src/plugins/field_formats/server/index.ts

@@ -7,10 +7,10 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { FieldFormatsPlugin } from './plugin';
 export { DateFormat, DateNanosFormat } from './lib/converters';
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { FieldFormatsPlugin } = await import('./plugin');
   return new FieldFormatsPlugin(initializerContext);
 }
 

src/plugins/files/server/index.ts

@@ -7,7 +7,6 @@
  */
 
 import type { PluginInitializerContext } from '@kbn/core/server';
-import { FilesPlugin } from './plugin';
 
 export type {
   FileClient,
@@ -44,6 +43,7 @@ export type {
 } from './file_service';
 export type { FileServiceFactory } from './file_service/file_service_factory';
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { FilesPlugin } = await import('./plugin');
   return new FilesPlugin(initializerContext);
 }

src/plugins/ftr_apis/server/index.ts

@@ -7,9 +7,9 @@
  */
 
 import type { PluginInitializerContext } from '@kbn/core/server';
-import { FtrApisPlugin } from './plugin';
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { FtrApisPlugin } = await import('./plugin');
   return new FtrApisPlugin(initializerContext);
 }
 

src/plugins/guided_onboarding/server/index.ts

@@ -7,9 +7,9 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { GuidedOnboardingPlugin } from './plugin';
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { GuidedOnboardingPlugin } = await import('./plugin');
   return new GuidedOnboardingPlugin(initializerContext);
 }
 

src/plugins/home/server/index.ts

@@ -23,7 +23,6 @@ export type {
   ScopedTutorialContextFactory,
 } from './services';
 import { PluginInitializerContext, PluginConfigDescriptor } from '@kbn/core/server';
-import { HomeServerPlugin } from './plugin';
 import { configSchema, ConfigSchema } from '../config';
 
 export const config: PluginConfigDescriptor<ConfigSchema> = {
@@ -33,6 +32,9 @@ export const config: PluginConfigDescriptor<ConfigSchema> = {
   schema: configSchema,
 };
 
-export const plugin = (initContext: PluginInitializerContext) => new HomeServerPlugin(initContext);
+export const plugin = async (initContext: PluginInitializerContext) => {
+  const { HomeServerPlugin } = await import('./plugin');
+  return new HomeServerPlugin(initContext);
+};
 
 export { INSTRUCTION_VARIANT } from '../common/instruction_variant';

src/plugins/input_control_vis/server/index.ts

@@ -6,7 +6,7 @@
  * Side Public License, v 1.
  */
 
-import { CoreSetup, PluginConfigDescriptor, PluginInitializerContext } from '@kbn/core/server';
+import type { CoreSetup, PluginConfigDescriptor, PluginInitializerContext } from '@kbn/core/server';
 import type { VisualizationsServerSetup } from '@kbn/visualizations-plugin/server';
 
 import { configSchema, InputControlConfig } from '../config';
@@ -22,7 +22,7 @@ interface PluginSetupDependencies {
   visualizations: VisualizationsServerSetup;
 }
 
-export const plugin = (initializerContext: PluginInitializerContext) => ({
+export const plugin = async (initializerContext: PluginInitializerContext) => ({
   setup(core: CoreSetup, plugins: PluginSetupDependencies) {
     const { readOnly } = initializerContext.config.get<InputControlConfig>();
     if (readOnly) {

src/plugins/interactive_setup/server/index.ts

@@ -14,12 +14,14 @@ import type {
 } from '@kbn/core/server';
 
 import { ConfigSchema } from './config';
-import { InteractiveSetupPlugin } from './plugin';
 
 export const config: PluginConfigDescriptor<TypeOf<typeof ConfigSchema>> = {
   schema: ConfigSchema,
 };
 
-export const plugin: PluginInitializer<void, never> = (
+export const plugin: PluginInitializer<void, never> = async (
   initializerContext: PluginInitializerContext
-) => new InteractiveSetupPlugin(initializerContext);
+) => {
+  const { InteractiveSetupPlugin } = await import('./plugin');
+  return new InteractiveSetupPlugin(initializerContext);
+};

src/plugins/kibana_usage_collection/server/index.ts

@@ -7,11 +7,11 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { KibanaUsageCollectionPlugin } from './plugin';
 
 //  This exports static code and TypeScript types,
 //  as well as, Kibana Platform `plugin()` initializer.
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { KibanaUsageCollectionPlugin } = await import('./plugin');
   return new KibanaUsageCollectionPlugin(initializerContext);
 }

src/plugins/kibana_usage_collection/server/plugin.test.ts

@@ -17,9 +17,10 @@ import {
 } from '@kbn/usage-collection-plugin/server/mocks';
 import { cloudDetailsMock, registerEbtCountersMock } from './plugin.test.mocks';
 import { plugin } from '.';
+import type { KibanaUsageCollectionPlugin } from './plugin';
 
 describe('kibana_usage_collection', () => {
-  const pluginInstance = plugin(coreMock.createPluginInitializerContext({}));
+  let pluginInstance: KibanaUsageCollectionPlugin;
 
   const usageCollectors: CollectorOptions[] = [];
 
@@ -33,6 +34,10 @@ describe('kibana_usage_collection', () => {
     return createUsageCollectionSetupMock().makeStatsCollector(opts);
   });
 
+  beforeAll(async () => {
+    pluginInstance = await plugin(coreMock.createPluginInitializerContext({}));
+  });
+
   beforeEach(() => {
     cloudDetailsMock.mockClear();
   });

src/plugins/links/server/index.ts

@@ -7,6 +7,8 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core-plugins-server';
-import { LinksServerPlugin } from './plugin';
 
-export const plugin = (initContext: PluginInitializerContext) => new LinksServerPlugin(initContext);
+export const plugin = async (initContext: PluginInitializerContext) => {
+  const { LinksServerPlugin } = await import('./plugin');
+  return new LinksServerPlugin(initContext);
+};

src/plugins/management/server/index.ts

@@ -7,8 +7,9 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { ManagementServerPlugin } from './plugin';
 export { config } from './config';
 
-export const plugin = (initContext: PluginInitializerContext) =>
-  new ManagementServerPlugin(initContext);
+export const plugin = async (initContext: PluginInitializerContext) => {
+  const { ManagementServerPlugin } = await import('./plugin');
+  return new ManagementServerPlugin(initContext);
+};

src/plugins/maps_ems/server/index.ts

@@ -6,17 +6,10 @@
  * Side Public License, v 1.
  */
 
-import {
-  CoreSetup,
-  PluginInitializerContext,
-  Plugin,
-  PluginConfigDescriptor,
-} from '@kbn/core/server';
-import { LicensingPluginSetup } from '@kbn/licensing-plugin/server';
-import { ILicense } from '@kbn/licensing-plugin/common/types';
+import { PluginInitializerContext, PluginConfigDescriptor } from '@kbn/core/server';
 import { MapConfig, mapConfigSchema } from '../config';
-import { EMSSettings, LICENSE_CHECK_ID } from '../common';
 export type { EMSSettings } from '../common';
+export type { MapsEmsPluginServerSetup } from './plugin';
 
 export const config: PluginConfigDescriptor<MapConfig> = {
   exposeToBrowser: {
@@ -32,48 +25,7 @@ export const config: PluginConfigDescriptor<MapConfig> = {
   schema: mapConfigSchema,
 };
 
-export interface MapsEmsPluginServerSetup {
-  config: MapConfig;
-  createEMSSettings: () => EMSSettings;
-}
-
-interface MapsEmsSetupServerDependencies {
-  licensing?: LicensingPluginSetup;
-}
-
-export class MapsEmsPlugin implements Plugin<MapsEmsPluginServerSetup> {
-  readonly _initializerContext: PluginInitializerContext<MapConfig>;
-
-  constructor(initializerContext: PluginInitializerContext<MapConfig>) {
-    this._initializerContext = initializerContext;
-  }
-
-  public setup(core: CoreSetup, plugins: MapsEmsSetupServerDependencies) {
-    const mapConfig = this._initializerContext.config.get();
-
-    let isEnterprisePlus = false;
-    if (plugins.licensing) {
-      function updateLicenseState(license: ILicense) {
-        const enterprise = license.check(LICENSE_CHECK_ID, 'enterprise');
-        isEnterprisePlus = enterprise.state === 'valid';
-      }
-
-      plugins.licensing.refresh().then(updateLicenseState);
-      plugins.licensing.license$.subscribe(updateLicenseState);
-    }
-
-    return {
-      config: mapConfig,
-      createEMSSettings: () => {
-        return new EMSSettings(mapConfig, () => {
-          return isEnterprisePlus;
-        });
-      },
-    };
-  }
-
-  public start() {}
-}
-
-export const plugin = (initializerContext: PluginInitializerContext) =>
-  new MapsEmsPlugin(initializerContext);
+export const plugin = async (initializerContext: PluginInitializerContext) => {
+  const { MapsEmsPlugin } = await import('./plugin');
+  return new MapsEmsPlugin(initializerContext);
+};

src/plugins/maps_ems/server/plugin.ts

@@ -0,0 +1,56 @@
+/*
+ * 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 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { ILicense, LicensingPluginSetup } from '@kbn/licensing-plugin/server';
+import { Plugin, PluginInitializerContext } from '@kbn/core-plugins-server';
+import { CoreSetup } from '@kbn/core-lifecycle-server';
+import { MapConfig } from '../config';
+import { LICENSE_CHECK_ID, EMSSettings } from '../common';
+
+export interface MapsEmsPluginServerSetup {
+  config: MapConfig;
+  createEMSSettings: () => EMSSettings;
+}
+
+interface MapsEmsSetupServerDependencies {
+  licensing?: LicensingPluginSetup;
+}
+
+export class MapsEmsPlugin implements Plugin<MapsEmsPluginServerSetup> {
+  readonly _initializerContext: PluginInitializerContext<MapConfig>;
+
+  constructor(initializerContext: PluginInitializerContext<MapConfig>) {
+    this._initializerContext = initializerContext;
+  }
+
+  public setup(core: CoreSetup, plugins: MapsEmsSetupServerDependencies) {
+    const mapConfig = this._initializerContext.config.get();
+
+    let isEnterprisePlus = false;
+    if (plugins.licensing) {
+      function updateLicenseState(license: ILicense) {
+        const enterprise = license.check(LICENSE_CHECK_ID, 'enterprise');
+        isEnterprisePlus = enterprise.state === 'valid';
+      }
+
+      plugins.licensing.refresh().then(updateLicenseState);
+      plugins.licensing.license$.subscribe(updateLicenseState);
+    }
+
+    return {
+      config: mapConfig,
+      createEMSSettings: () => {
+        return new EMSSettings(mapConfig, () => {
+          return isEnterprisePlus;
+        });
+      },
+    };
+  }
+
+  public start() {}
+}

src/plugins/maps_ems/tsconfig.json

@@ -11,6 +11,8 @@
     "@kbn/config-schema",
     "@kbn/config",
     "@kbn/core-http-common",
+    "@kbn/core-plugins-server",
+    "@kbn/core-lifecycle-server",
   ],
   "exclude": [
     "target/**/*",

src/plugins/newsfeed/server/index.ts

@@ -7,7 +7,6 @@
  */
 
 import { PluginConfigDescriptor } from '@kbn/core/server';
-import { NewsfeedPlugin } from './plugin';
 import { configSchema, NewsfeedConfigType } from './config';
 
 export const config: PluginConfigDescriptor<NewsfeedConfigType> = {
@@ -19,6 +18,7 @@ export const config: PluginConfigDescriptor<NewsfeedConfigType> = {
   },
 };
 
-export function plugin() {
+export async function plugin() {
+  const { NewsfeedPlugin } = await import('./plugin');
   return new NewsfeedPlugin();
 }

src/plugins/presentation_util/server/index.ts

@@ -6,7 +6,8 @@
  * Side Public License, v 1.
  */
 
-import { PresentationUtilPlugin } from './plugin';
-
 export { SETTING_CATEGORY } from './ui_settings';
-export const plugin = () => new PresentationUtilPlugin();
+export const plugin = async () => {
+  const { PresentationUtilPlugin } = await import('./plugin');
+  return new PresentationUtilPlugin();
+};

src/plugins/saved_objects_finder/server/index.ts

@@ -6,6 +6,7 @@
  * Side Public License, v 1.
  */
 
-import { SavedObjectsServerPlugin } from './plugin';
-
-export const plugin = () => new SavedObjectsServerPlugin();
+export const plugin = async () => {
+  const { SavedObjectsServerPlugin } = await import('./plugin');
+  return new SavedObjectsServerPlugin();
+};

src/plugins/saved_objects_management/server/index.ts

@@ -7,10 +7,11 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { SavedObjectsManagementPlugin } from './plugin';
 
-export const plugin = (context: PluginInitializerContext) =>
-  new SavedObjectsManagementPlugin(context);
+export const plugin = async (context: PluginInitializerContext) => {
+  const { SavedObjectsManagementPlugin } = await import('./plugin');
+  return new SavedObjectsManagementPlugin(context);
+};
 
 export type {
   SavedObjectsManagementPluginSetup,

src/plugins/saved_search/server/index.ts

@@ -7,9 +7,10 @@
  */
 
 import type { PluginInitializerContext } from '@kbn/core-plugins-server';
-import { SavedSearchServerPlugin } from './plugin';
 
 export { getSavedSearch } from './services/saved_searches';
 
-export const plugin = (initContext: PluginInitializerContext) =>
-  new SavedSearchServerPlugin(initContext);
+export const plugin = async (initContext: PluginInitializerContext) => {
+  const { SavedSearchServerPlugin } = await import('./plugin');
+  return new SavedSearchServerPlugin(initContext);
+};

src/plugins/screenshot_mode/server/index.ts

@@ -6,8 +6,6 @@
  * Side Public License, v 1.
  */
 
-import { ScreenshotModePlugin } from './plugin';
-
 export {
   setScreenshotModeEnabled,
   KBN_SCREENSHOT_MODE_HEADER,
@@ -20,6 +18,7 @@ export type {
   ScreenshotModePluginStart,
 } from './types';
 
-export function plugin() {
+export async function plugin() {
+  const { ScreenshotModePlugin } = await import('./plugin');
   return new ScreenshotModePlugin();
 }

src/plugins/share/server/index.ts

@@ -7,12 +7,12 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { SharePlugin } from './plugin';
 
 export type { SharePluginSetup, SharePluginStart } from './plugin';
 
 export { CSV_QUOTE_VALUES_SETTING, CSV_SEPARATOR_SETTING } from '../common/constants';
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { SharePlugin } = await import('./plugin');
   return new SharePlugin(initializerContext);
 }

src/plugins/telemetry/server/index.ts

@@ -8,13 +8,14 @@
 
 import type { PluginInitializerContext } from '@kbn/core/server';
 import type { TelemetryConfigType } from './config';
-import { TelemetryPlugin } from './plugin';
 
 export { config } from './config';
 export type { TelemetryPluginSetup, TelemetryPluginStart } from './plugin';
 
-export const plugin = (initializerContext: PluginInitializerContext<TelemetryConfigType>) =>
-  new TelemetryPlugin(initializerContext);
+export const plugin = async (initializerContext: PluginInitializerContext<TelemetryConfigType>) => {
+  const { TelemetryPlugin } = await import('./plugin');
+  return new TelemetryPlugin(initializerContext);
+};
 export { getClusterUuids, getLocalStats } from './telemetry_collection';
 
 export type {

src/plugins/telemetry_collection_manager/server/index.ts

@@ -7,12 +7,12 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { TelemetryCollectionManagerPlugin } from './plugin';
 
 //  This exports static code and TypeScript types,
 //  as well as, Kibana Platform `plugin()` initializer.
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { TelemetryCollectionManagerPlugin } = await import('./plugin');
   return new TelemetryCollectionManagerPlugin(initializerContext);
 }
 

src/plugins/ui_actions_enhanced/server/index.ts

@@ -6,14 +6,13 @@
  * Side Public License, v 1.
  */
 
-import { AdvancedUiActionsServerPlugin } from './plugin';
-
-export function plugin() {
+export async function plugin() {
+  const { AdvancedUiActionsServerPlugin } = await import('./plugin');
   return new AdvancedUiActionsServerPlugin();
 }
 
-export { AdvancedUiActionsServerPlugin as Plugin };
 export type {
+  AdvancedUiActionsServerPlugin as Plugin,
   SetupContract as AdvancedUiActionsSetup,
   StartContract as AdvancedUiActionsStart,
 } from './plugin';

src/plugins/unified_search/server/index.ts

@@ -8,7 +8,7 @@
 
 import { PluginConfigDescriptor, PluginInitializerContext } from '@kbn/core/server';
 import { ConfigSchema, configSchema } from '../config';
-import {
+import type {
   UnifiedSearchServerPlugin,
   UnifiedSearchServerPluginSetup,
   UnifiedSearchServerPluginStart,
@@ -21,7 +21,8 @@ import { autocompleteConfigDeprecationProvider } from './config_deprecations';
  * @public
  */
 
-export function plugin(initializerContext: PluginInitializerContext<ConfigSchema>) {
+export async function plugin(initializerContext: PluginInitializerContext<ConfigSchema>) {
+  const { UnifiedSearchServerPlugin } = await import('./plugin');
   return new UnifiedSearchServerPlugin(initializerContext);
 }
 
@@ -29,7 +30,7 @@ export type {
   UnifiedSearchServerPluginSetup as PluginSetup,
   UnifiedSearchServerPluginStart as PluginStart,
 };
-export { UnifiedSearchServerPlugin as Plugin };
+export type { UnifiedSearchServerPlugin as Plugin };
 
 export const config: PluginConfigDescriptor<ConfigSchema> = {
   deprecations: autocompleteConfigDeprecationProvider,

src/plugins/usage_collection/server/index.ts

@@ -7,7 +7,6 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { UsageCollectionPlugin } from './plugin';
 
 export type {
   Collector,
@@ -31,5 +30,7 @@ export { USAGE_COUNTERS_SAVED_OBJECT_TYPE, serializeCounterKey } from './usage_c
 
 export type { UsageCollectionSetup } from './plugin';
 export { config } from './config';
-export const plugin = (initializerContext: PluginInitializerContext) =>
-  new UsageCollectionPlugin(initializerContext);
+export const plugin = async (initializerContext: PluginInitializerContext) => {
+  const { UsageCollectionPlugin } = await import('./plugin');
+  return new UsageCollectionPlugin(initializerContext);
+};

src/plugins/vis_type_markdown/server/index.ts

@@ -17,7 +17,7 @@ export const config: PluginConfigDescriptor<ConfigSchema> = {
   ],
 };
 
-export const plugin = () => ({
+export const plugin = async () => ({
   setup() {},
   start() {},
 });

src/plugins/vis_types/gauge/server/index.ts

@@ -8,7 +8,6 @@
 
 import { PluginInitializerContext, PluginConfigDescriptor } from '@kbn/core/server';
 import { configSchema, GaugeConfig } from '../config';
-import { VisTypeGaugeServerPlugin } from './plugin';
 
 export const config: PluginConfigDescriptor<GaugeConfig> = {
   exposeToBrowser: {
@@ -17,5 +16,7 @@ export const config: PluginConfigDescriptor<GaugeConfig> = {
   schema: configSchema,
 };
 
-export const plugin = (initializerContext: PluginInitializerContext) =>
-  new VisTypeGaugeServerPlugin(initializerContext);
+export const plugin = async (initializerContext: PluginInitializerContext) => {
+  const { VisTypeGaugeServerPlugin } = await import('./plugin');
+  return new VisTypeGaugeServerPlugin(initializerContext);
+};

src/plugins/vis_types/heatmap/server/index.ts

@@ -8,7 +8,6 @@
 
 import { PluginConfigDescriptor, PluginInitializerContext } from '@kbn/core/server';
 import { configSchema, HeatmapConfig } from '../config';
-import { VisTypeHeatmapServerPlugin } from './plugin';
 
 export const config: PluginConfigDescriptor<HeatmapConfig> = {
   exposeToBrowser: {
@@ -17,5 +16,7 @@ export const config: PluginConfigDescriptor<HeatmapConfig> = {
   schema: configSchema,
 };
 
-export const plugin = (initializerContext: PluginInitializerContext) =>
-  new VisTypeHeatmapServerPlugin(initializerContext);
+export const plugin = async (initializerContext: PluginInitializerContext) => {
+  const { VisTypeHeatmapServerPlugin } = await import('./plugin');
+  return new VisTypeHeatmapServerPlugin(initializerContext);
+};

src/plugins/vis_types/metric/server/index.ts

@@ -22,7 +22,7 @@ interface PluginSetupDependencies {
   visualizations: VisualizationsServerSetup;
 }
 
-export const plugin = (initializerContext: PluginInitializerContext) => ({
+export const plugin = async (initializerContext: PluginInitializerContext) => ({
   setup(core: CoreSetup, plugins: PluginSetupDependencies) {
     const { readOnly } = initializerContext.config.get<MetricConfig>();
     if (readOnly) {

src/plugins/vis_types/pie/server/index.ts

@@ -8,7 +8,6 @@
 
 import { PluginConfigDescriptor, PluginInitializerContext } from '@kbn/core/server';
 import { configSchema, PieConfig } from '../config';
-import { VisTypePieServerPlugin } from './plugin';
 
 export const config: PluginConfigDescriptor<PieConfig> = {
   exposeToBrowser: {
@@ -17,5 +16,7 @@ export const config: PluginConfigDescriptor<PieConfig> = {
   schema: configSchema,
 };
 
-export const plugin = (initializerContext: PluginInitializerContext) =>
-  new VisTypePieServerPlugin(initializerContext);
+export const plugin = async (initializerContext: PluginInitializerContext) => {
+  const { VisTypePieServerPlugin } = await import('./plugin');
+  return new VisTypePieServerPlugin(initializerContext);
+};

src/plugins/vis_types/timelion/server/index.ts

@@ -8,7 +8,6 @@
 
 import { PluginConfigDescriptor, PluginInitializerContext } from '@kbn/core/server';
 import { configSchema, TimelionConfig } from '../config';
-import { TimelionPlugin } from './plugin';
 
 export const config: PluginConfigDescriptor<TimelionConfig> = {
   exposeToBrowser: {
@@ -18,5 +17,7 @@ export const config: PluginConfigDescriptor<TimelionConfig> = {
   deprecations: ({ unused }) => [unused('graphiteUrls', { level: 'warning' })],
 };
 
-export const plugin = (initializerContext: PluginInitializerContext) =>
-  new TimelionPlugin(initializerContext);
+export const plugin = async (initializerContext: PluginInitializerContext) => {
+  const { TimelionPlugin } = await import('./plugin');
+  return new TimelionPlugin(initializerContext);
+};

src/plugins/vis_types/timeseries/server/index.ts

@@ -8,7 +8,6 @@
 
 import { PluginInitializerContext, PluginConfigDescriptor } from '@kbn/core/server';
 import { VisTypeTimeseriesConfig, config as configSchema } from '../config';
-import { VisTypeTimeseriesPlugin } from './plugin';
 
 export type { VisTypeTimeseriesSetup } from './plugin';
 
@@ -21,7 +20,8 @@ export const config: PluginConfigDescriptor<VisTypeTimeseriesConfig> = {
   schema: configSchema,
 };
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { VisTypeTimeseriesPlugin } = await import('./plugin');
   return new VisTypeTimeseriesPlugin(initializerContext);
 }
 

src/plugins/vis_types/vega/server/index.ts

@@ -9,7 +9,6 @@
 import { PluginConfigDescriptor, PluginInitializerContext } from '@kbn/core/server';
 
 import { configSchema, ConfigSchema } from '../config';
-import { VisTypeVegaPlugin } from './plugin';
 
 export const config: PluginConfigDescriptor<ConfigSchema> = {
   exposeToBrowser: {
@@ -18,7 +17,8 @@ export const config: PluginConfigDescriptor<ConfigSchema> = {
   schema: configSchema,
 };
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { VisTypeVegaPlugin } = await import('./plugin');
   return new VisTypeVegaPlugin(initializerContext);
 }
 

src/plugins/vis_types/vislib/server/index.ts

@@ -8,7 +8,6 @@
 
 import { PluginConfigDescriptor } from '@kbn/core/server';
 import { configSchema, VislibConfig } from '../config';
-import { VisTypeVislibServerPlugin } from './plugin';
 
 export const config: PluginConfigDescriptor<VislibConfig> = {
   exposeToBrowser: {
@@ -17,4 +16,7 @@ export const config: PluginConfigDescriptor<VislibConfig> = {
   schema: configSchema,
 };
 
-export const plugin = () => new VisTypeVislibServerPlugin();
+export const plugin = async () => {
+  const { VisTypeVislibServerPlugin } = await import('./plugin');
+  return new VisTypeVislibServerPlugin();
+};

src/plugins/vis_types/xy/server/index.ts

@@ -8,7 +8,6 @@
 
 import { PluginConfigDescriptor, PluginInitializerContext } from '@kbn/core/server';
 import { configSchema, XyConfig } from '../config';
-import { VisTypeXYServerPlugin } from './plugin';
 
 export const config: PluginConfigDescriptor<XyConfig> = {
   exposeToBrowser: {
@@ -17,5 +16,7 @@ export const config: PluginConfigDescriptor<XyConfig> = {
   schema: configSchema,
 };
 
-export const plugin = (initializerContext: PluginInitializerContext) =>
-  new VisTypeXYServerPlugin(initializerContext);
+export const plugin = async (initializerContext: PluginInitializerContext) => {
+  const { VisTypeXYServerPlugin } = await import('./plugin');
+  return new VisTypeXYServerPlugin(initializerContext);
+};

src/plugins/visualizations/server/index.ts

@@ -7,12 +7,12 @@
  */
 
 import { PluginInitializerContext } from '@kbn/core/server';
-import { VisualizationsPlugin } from './plugin';
 
 //  This exports static code and TypeScript types,
 //  as well as, Kibana Platform `plugin()` initializer.
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
+  const { VisualizationsPlugin } = await import('./plugin');
   return new VisualizationsPlugin(initializerContext);
 }
 

test/analytics/plugins/analytics_ftr_helpers/server/index.ts

@@ -8,4 +8,4 @@
 
 import { AnalyticsFTRHelpers } from './plugin';
 
-export const plugin = () => new AnalyticsFTRHelpers();
+export const plugin = async () => new AnalyticsFTRHelpers();

test/analytics/plugins/analytics_plugin_a/server/index.ts

@@ -8,4 +8,4 @@
 
 import { AnalyticsPluginAPlugin } from './plugin';
 
-export const plugin = () => new AnalyticsPluginAPlugin();
+export const plugin = async () => new AnalyticsPluginAPlugin();

test/common/plugins/newsfeed/server/index.ts

@@ -9,6 +9,6 @@
 import type { PluginInitializerContext } from '@kbn/core/server';
 import { NewsFeedSimulatorPlugin } from './plugin';
 
-export function plugin(initializerContext: PluginInitializerContext) {
+export async function plugin(initializerContext: PluginInitializerContext) {
   return new NewsFeedSimulatorPlugin(initializerContext);
 }

test/common/plugins/otel_metrics/server/index.ts

@@ -8,4 +8,4 @@
 
 import { OpenTelemetryUsageTest } from './plugin';
 
-export const plugin = () => new OpenTelemetryUsageTest();
+export const plugin = async () => new OpenTelemetryUsageTest();

test/health_gateway/plugins/status/server/index.ts

@@ -8,6 +8,6 @@
 
 import { HealthGatewayStatusPlugin } from './plugin';
 
-export function plugin() {
+export async function plugin() {
   return new HealthGatewayStatusPlugin();
 }

test/interactive_setup_api_integration/plugins/test_endpoints/server/index.ts

@@ -11,7 +11,9 @@ import path from 'path';
 
 import type { PluginInitializer, PrebootPlugin } from '@kbn/core/server';
 
-export const plugin: PluginInitializer<void, never> = (initializerContext): PrebootPlugin => ({
+export const plugin: PluginInitializer<void, never> = async (
+  initializerContext
+): Promise<PrebootPlugin> => ({
   setup: (core) => {
     core.http.registerRoutes('', (router) => {
       router.get(

test/interpreter_functional/plugins/kbn_tp_run_pipeline/server/index.ts

@@ -9,4 +9,5 @@
 import { PluginInitializer } from '@kbn/core/server';
 import { TestPlugin, TestPluginSetup, TestPluginStart } from './plugin';
 
-export const plugin: PluginInitializer<TestPluginSetup, TestPluginStart> = () => new TestPlugin();
+export const plugin: PluginInitializer<TestPluginSetup, TestPluginStart> = async () =>
+  new TestPlugin();

test/node_roles_functional/plugins/core_plugin_initializer_context/server/index.ts

@@ -9,5 +9,5 @@
 import type { PluginInitializerContext } from '@kbn/core/server';
 import { CorePluginInitializerContextPlugin } from './plugin';
 
-export const plugin = (initializerContext: PluginInitializerContext) =>
+export const plugin = async (initializerContext: PluginInitializerContext) =>
   new CorePluginInitializerContextPlugin(initializerContext);