Migrate server-side Root and Server to packages (#144990)

## Summary

Fix https://github.com/elastic/kibana/issues/144255

Create the `@kbn/core-root-server-internal` package, and move `Root`,
`Server` and `bootstrap` to it.

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

.github/CODEOWNERS

@@ -837,6 +837,7 @@ packages/core/rendering/core-rendering-browser-mocks @elastic/kibana-core
 packages/core/rendering/core-rendering-server-internal @elastic/kibana-core
 packages/core/rendering/core-rendering-server-mocks @elastic/kibana-core
 packages/core/root/core-root-browser-internal @elastic/kibana-core
+packages/core/root/core-root-server-internal @elastic/kibana-core
 packages/core/saved-objects/core-saved-objects-api-browser @elastic/kibana-core
 packages/core/saved-objects/core-saved-objects-api-server @elastic/kibana-core
 packages/core/saved-objects/core-saved-objects-api-server-internal @elastic/kibana-core

package.json

@@ -282,6 +282,7 @@
     "@kbn/core-rendering-server-internal": "link:bazel-bin/packages/core/rendering/core-rendering-server-internal",
     "@kbn/core-rendering-server-mocks": "link:bazel-bin/packages/core/rendering/core-rendering-server-mocks",
     "@kbn/core-root-browser-internal": "link:bazel-bin/packages/core/root/core-root-browser-internal",
+    "@kbn/core-root-server-internal": "link:bazel-bin/packages/core/root/core-root-server-internal",
     "@kbn/core-saved-objects-api-browser": "link:bazel-bin/packages/core/saved-objects/core-saved-objects-api-browser",
     "@kbn/core-saved-objects-api-server": "link:bazel-bin/packages/core/saved-objects/core-saved-objects-api-server",
     "@kbn/core-saved-objects-api-server-internal": "link:bazel-bin/packages/core/saved-objects/core-saved-objects-api-server-internal",

packages/BUILD.bazel

@@ -147,6 +147,7 @@ filegroup(
     "//packages/core/rendering/core-rendering-server-internal:build",
     "//packages/core/rendering/core-rendering-server-mocks:build",
     "//packages/core/root/core-root-browser-internal:build",
+    "//packages/core/root/core-root-server-internal:build",
     "//packages/core/saved-objects/core-saved-objects-api-browser:build",
     "//packages/core/saved-objects/core-saved-objects-api-server:build",
     "//packages/core/saved-objects/core-saved-objects-api-server-internal:build",
@@ -508,6 +509,7 @@ filegroup(
     "//packages/core/rendering/core-rendering-server-internal:build_types",
     "//packages/core/rendering/core-rendering-server-mocks:build_types",
     "//packages/core/root/core-root-browser-internal:build_types",
+    "//packages/core/root/core-root-server-internal:build_types",
     "//packages/core/saved-objects/core-saved-objects-api-browser:build_types",
     "//packages/core/saved-objects/core-saved-objects-api-server:build_types",
     "//packages/core/saved-objects/core-saved-objects-api-server-internal:build_types",

packages/core/root/core-root-server-internal/BUILD.bazel

@@ -0,0 +1,167 @@
+load("@npm//@bazel/typescript:index.bzl", "ts_config")
+load("@build_bazel_rules_nodejs//:index.bzl", "js_library")
+load("//src/dev/bazel:index.bzl", "jsts_transpiler", "pkg_npm", "pkg_npm_types", "ts_project")
+
+PKG_DIRNAME = "core-root-server-internal"
+PKG_REQUIRE_NAME = "@kbn/core-root-server-internal"
+
+SOURCE_FILES = glob(
+  [
+    "**/*.ts",
+  ],
+  exclude = [
+    "**/*.config.js",
+    "**/*.mock.*",
+    "**/*.test.*",
+    "**/*.stories.*",
+    "**/__snapshots__/**",
+    "**/integration_tests/**",
+    "**/mocks/**",
+    "**/scripts/**",
+    "**/storybook/**",
+    "**/test_fixtures/**",
+    "**/test_helpers/**",
+  ],
+)
+
+SRCS = SOURCE_FILES
+
+filegroup(
+  name = "srcs",
+  srcs = SRCS,
+)
+
+NPM_MODULE_EXTRA_FILES = [
+  "package.json",
+]
+
+RUNTIME_DEPS = [
+  "@npm//elastic-apm-node",
+  "//packages/kbn-utils",
+  "//packages/kbn-config",
+  "//packages/kbn-ebt-tools",
+  "//packages/core/doc-links/core-doc-links-server-internal",
+  "//packages/core/logging/core-logging-server-internal",
+  "//packages/core/config/core-config-server-internal",
+  "//packages/core/node/core-node-server-internal",
+  "//packages/core/analytics/core-analytics-server-internal",
+  "//packages/core/environment/core-environment-server-internal",
+  "//packages/core/execution-context/core-execution-context-server-internal",
+  "//packages/core/preboot/core-preboot-server-internal",
+  "//packages/core/http/core-http-context-server-internal",
+  "//packages/core/http/core-http-server-internal",
+  "//packages/core/elasticsearch/core-elasticsearch-server-internal",
+  "//packages/core/metrics/core-metrics-server-internal",
+  "//packages/core/capabilities/core-capabilities-server-internal",
+  "//packages/core/saved-objects/core-saved-objects-base-server-internal",
+  "//packages/core/saved-objects/core-saved-objects-server-internal",
+  "//packages/core/i18n/core-i18n-server-internal",
+  "//packages/core/deprecations/core-deprecations-server-internal",
+  "//packages/core/usage-data/core-usage-data-server-internal",
+  "//packages/core/status/core-status-server-internal",
+  "//packages/core/ui-settings/core-ui-settings-server-internal",
+  "//packages/core/http/core-http-request-handler-context-server-internal",
+  "//packages/core/rendering/core-rendering-server-internal",
+  "//packages/core/http/core-http-resources-server-internal",
+  "//packages/core/plugins/core-plugins-server-internal",
+  "//packages/core/apps/core-apps-server-internal",
+]
+
+TYPES_DEPS = [
+  "@npm//@types/node",
+  "@npm//@types/jest",
+  "@npm//elastic-apm-node",
+  "//packages/kbn-utils:npm_module_types",
+  "//packages/kbn-logging:npm_module_types",
+  "//packages/kbn-config:npm_module_types",
+  "//packages/kbn-ebt-tools:npm_module_types",
+  "//packages/core/base/core-base-server-internal:npm_module_types",
+  "//packages/core/doc-links/core-doc-links-server-internal:npm_module_types",
+  "//packages/core/logging/core-logging-server-internal:npm_module_types",
+  "//packages/core/config/core-config-server-internal:npm_module_types",
+  "//packages/core/node/core-node-server-internal:npm_module_types",
+  "//packages/core/analytics/core-analytics-server-internal:npm_module_types",
+  "//packages/core/analytics/core-analytics-server:npm_module_types",
+  "//packages/core/environment/core-environment-server-internal:npm_module_types",
+  "//packages/core/execution-context/core-execution-context-server-internal:npm_module_types",
+  "//packages/core/preboot/core-preboot-server-internal:npm_module_types",
+  "//packages/core/http/core-http-context-server-internal:npm_module_types",
+  "//packages/core/http/core-http-server-internal:npm_module_types",
+  "//packages/core/elasticsearch/core-elasticsearch-server-internal:npm_module_types",
+  "//packages/core/metrics/core-metrics-server-internal:npm_module_types",
+  "//packages/core/capabilities/core-capabilities-server-internal:npm_module_types",
+  "//packages/core/saved-objects/core-saved-objects-server:npm_module_types",
+  "//packages/core/saved-objects/core-saved-objects-base-server-internal:npm_module_types",
+  "//packages/core/saved-objects/core-saved-objects-server-internal:npm_module_types",
+  "//packages/core/i18n/core-i18n-server-internal:npm_module_types",
+  "//packages/core/deprecations/core-deprecations-server-internal:npm_module_types",
+  "//packages/core/usage-data/core-usage-data-server-internal:npm_module_types",
+  "//packages/core/status/core-status-server-internal:npm_module_types",
+  "//packages/core/ui-settings/core-ui-settings-server-internal:npm_module_types",
+  "//packages/core/http/core-http-request-handler-context-server-internal:npm_module_types",
+  "//packages/core/http/core-http-request-handler-context-server:npm_module_types",
+  "//packages/core/rendering/core-rendering-server-internal:npm_module_types",
+  "//packages/core/http/core-http-resources-server-internal:npm_module_types",
+  "//packages/core/lifecycle/core-lifecycle-server-internal:npm_module_types",
+  "//packages/core/plugins/core-plugins-server-internal:npm_module_types",
+  "//packages/core/apps/core-apps-server-internal:npm_module_types",
+]
+
+jsts_transpiler(
+  name = "target_node",
+  srcs = SRCS,
+  build_pkg_name = package_name(),
+)
+
+ts_config(
+  name = "tsconfig",
+  src = "tsconfig.json",
+  deps = [
+    "//:tsconfig.base.json",
+    "//:tsconfig.bazel.json",
+  ],
+)
+
+ts_project(
+  name = "tsc_types",
+  args = ['--pretty'],
+  srcs = SRCS,
+  deps = TYPES_DEPS,
+  declaration = True,
+  emit_declaration_only = True,
+  out_dir = "target_types",
+  tsconfig = ":tsconfig",
+)
+
+js_library(
+  name = PKG_DIRNAME,
+  srcs = NPM_MODULE_EXTRA_FILES,
+  deps = RUNTIME_DEPS + [":target_node"],
+  package_name = PKG_REQUIRE_NAME,
+  visibility = ["//visibility:public"],
+)
+
+js_library(
+  name = "npm_module_types",
+  srcs = NPM_MODULE_EXTRA_FILES,
+  deps = RUNTIME_DEPS + [":target_node", ":tsc_types"],
+  package_name = PKG_REQUIRE_NAME,
+  visibility = ["//visibility:public"],
+)
+
+pkg_npm(
+  name = "npm_module",
+  deps = [":" + PKG_DIRNAME],
+)
+
+filegroup(
+  name = "build",
+  srcs = [":npm_module"],
+  visibility = ["//visibility:public"],
+)
+
+filegroup(
+  name = "build_types",
+  srcs = [":npm_module_types"],
+  visibility = ["//visibility:public"],
+)

packages/core/root/core-root-server-internal/README.md

@@ -0,0 +1,6 @@
+# @kbn/core-root-server-internal
+
+This package exposes the root components required to start the Core system on the server side.
+- the `Root` class
+- the `Server` class
+- the `bootstap` function

packages/core/root/core-root-server-internal/index.ts

@@ -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 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.
+ */
+
+export { Server, Root, bootstrap } from './src';

packages/core/root/core-root-server-internal/jest.config.js

@@ -0,0 +1,13 @@
+/*
+ * 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.
+ */
+
+module.exports = {
+  preset: '@kbn/test/jest_node',
+  rootDir: '../../../..',
+  roots: ['<rootDir>/packages/core/root/core-root-server-internal'],
+};

packages/core/root/core-root-server-internal/kibana.jsonc

@@ -0,0 +1,7 @@
+{
+  "type": "shared-common",
+  "id": "@kbn/core-root-server-internal",
+  "owner": "@elastic/kibana-core",
+  "runtimeDeps": [],
+  "typeDeps": [],
+}

packages/core/root/core-root-server-internal/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "@kbn/core-root-server-internal",
+  "private": true,
+  "version": "1.0.0",
+  "main": "./target_node/index.js",
+  "types": "./target_types/index.d.ts",
+  "author": "Kibana Core",
+  "license": "SSPL-1.0 OR Elastic License 2.0"
+}

packages/core/root/core-root-server-internal/src/index.ts

@@ -0,0 +1,11 @@
+/*
+ * 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.
+ */
+
+export { Server } from './server';
+export { bootstrap } from './bootstrap';
+export { Root } from './root';

packages/core/root/core-root-server-internal/src/root/index.ts

@@ -16,7 +16,7 @@ import {
   distinctUntilChanged,
 } from 'rxjs/operators';
 import type { Logger, LoggerFactory } from '@kbn/logging';
-import { Env, RawConfigurationProvider } from '@kbn/config';
+import type { Env, RawConfigurationProvider } from '@kbn/config';
 import { LoggingConfigType, LoggingSystem } from '@kbn/core-logging-server-internal';
 import apm from 'elastic-apm-node';
 import { isEqual } from 'lodash';

packages/core/root/core-root-server-internal/src/server.ts

@@ -8,6 +8,7 @@
 
 import apm from 'elastic-apm-node';
 import { config as pathConfig } from '@kbn/utils';
+import { reportPerformanceMetricEvent } from '@kbn/ebt-tools';
 import type { Logger, LoggerFactory } from '@kbn/logging';
 import { ConfigService, Env, RawConfigurationProvider } from '@kbn/config';
 import type { ServiceConfigDescriptor } from '@kbn/core-base-server-internal';
@@ -24,7 +25,6 @@ import {
 import { NodeService, nodeConfig } from '@kbn/core-node-server-internal';
 import { AnalyticsService } from '@kbn/core-analytics-server-internal';
 import type { AnalyticsServiceSetup, AnalyticsServiceStart } from '@kbn/core-analytics-server';
-import { reportPerformanceMetricEvent } from '@kbn/ebt-tools';
 import { EnvironmentService, pidConfig } from '@kbn/core-environment-server-internal';
 import {
   ExecutionContextService,
@@ -69,7 +69,7 @@ import type {
 import { RenderingService } from '@kbn/core-rendering-server-internal';
 
 import { HttpResourcesService } from '@kbn/core-http-resources-server-internal';
-import {
+import type {
   InternalCorePreboot,
   InternalCoreSetup,
   InternalCoreStart,

packages/core/root/core-root-server-internal/tsconfig.json

@@ -0,0 +1,15 @@
+{
+  "extends": "../../../../tsconfig.bazel.json",
+  "compilerOptions": {
+    "declaration": true,
+    "emitDeclarationOnly": true,
+    "outDir": "target_types",
+    "types": [
+      "jest",
+      "node"
+    ]
+  },
+  "include": [
+    "**/*.ts",
+  ]
+}

src/core/server/index.ts

@@ -48,6 +48,8 @@ import type { RequestHandlerContext } from '@kbn/core-http-request-handler-conte
 import type { HttpResources } from '@kbn/core-http-resources-server';
 import type { PluginsServiceSetup, PluginsServiceStart } from '@kbn/core-plugins-server-internal';
 
+export { bootstrap } from '@kbn/core-root-server-internal';
+
 export type { PluginOpaqueId } from '@kbn/core-base-common';
 export type {
   CoreUsageStats,
@@ -65,8 +67,6 @@ export type {
 
 export type { KibanaExecutionContext } from '@kbn/core-execution-context-common';
 export type { IExecutionContextContainer } from '@kbn/core-execution-context-server';
-
-export { bootstrap } from './bootstrap';
 export type { Capabilities } from '@kbn/core-capabilities-common';
 export type {
   CapabilitiesProvider,

src/core/server/integration_tests/core_app/core_app_routes.test.ts

@@ -6,8 +6,8 @@
  * Side Public License, v 1.
  */
 
+import { Root } from '@kbn/core-root-server-internal';
 import * as kbnTestServer from '../../../test_helpers/kbn_server';
-import { Root } from '../../root';
 
 describe('Core app routes', () => {
   let root: Root;

src/core/server/integration_tests/core_app/default_route_provider_config.test.ts

@@ -6,8 +6,8 @@
  * Side Public License, v 1.
  */
 
+import { Root } from '@kbn/core-root-server-internal';
 import * as kbnTestServer from '../../../test_helpers/kbn_server';
-import { Root } from '../../root';
 
 describe('default route provider', () => {
   let esServer: kbnTestServer.TestElasticsearchUtils;

src/core/server/integration_tests/core_app/static_assets.test.ts

@@ -6,8 +6,8 @@
  * Side Public License, v 1.
  */
 
+import { Root } from '@kbn/core-root-server-internal';
 import * as kbnTestServer from '../../../test_helpers/kbn_server';
-import { Root } from '../../root';
 
 describe('Platform assets', function () {
   let root: Root;

src/core/server/integration_tests/elasticsearch/client.test.ts

@@ -10,13 +10,13 @@ import { esTestConfig } from '@kbn/test';
 import * as http from 'http';
 import supertest from 'supertest';
 
+import { Root } from '@kbn/core-root-server-internal';
 import {
   createRootWithCorePlugins,
   createTestServers,
   TestElasticsearchUtils,
   TestKibanaUtils,
 } from '../../../test_helpers/kbn_server';
-import { Root } from '../../root';
 
 describe('elasticsearch clients', () => {
   let esServer: TestElasticsearchUtils;

src/core/server/integration_tests/saved_objects/migrations/7.7.2_xpack_100k.test.ts

@@ -14,7 +14,7 @@ import { getEnvOptions } from '@kbn/config-mocks';
 import type { ElasticsearchClient } from '@kbn/core-elasticsearch-server';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
 import type { InternalCoreStart } from '@kbn/core-lifecycle-server-internal';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 
 const kibanaVersion = Env.createDefault(REPO_ROOT, getEnvOptions()).packageInfo.version;
 const logFilePath = path.join(__dirname, '7.7.2_xpack_100k.log');

src/core/server/integration_tests/saved_objects/migrations/7_13_0_failed_action_tasks.test.ts

@@ -10,7 +10,7 @@ import Path from 'path';
 import fs from 'fs/promises';
 import type { ElasticsearchClient } from '@kbn/core-elasticsearch-server';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 
 const logFilePath = Path.join(__dirname, '7_13_failed_action_tasks.log');
 

src/core/server/integration_tests/saved_objects/migrations/7_13_0_transform_failures.test.ts

@@ -14,7 +14,7 @@ import { REPO_ROOT } from '@kbn/utils';
 import { getEnvOptions } from '@kbn/config-mocks';
 import type { ElasticsearchClient } from '@kbn/core-elasticsearch-server';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 import { SearchTotalHits } from '@elastic/elasticsearch/lib/api/types';
 import { getMigrationDocLink } from './test_utils';
 

src/core/server/integration_tests/saved_objects/migrations/7_13_0_unknown_types.test.ts

@@ -14,7 +14,7 @@ import { REPO_ROOT } from '@kbn/utils';
 import { getEnvOptions } from '@kbn/config-mocks';
 import type { ElasticsearchClient } from '@kbn/core-elasticsearch-server';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
-import type { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 
 const logFilePath = Path.join(__dirname, '7_13_unknown_types.log');
 

src/core/server/integration_tests/saved_objects/migrations/actions/es_errors.test.ts

@@ -6,10 +6,10 @@
  * Side Public License, v 1.
  */
 import type * as estypes from '@elastic/elasticsearch/lib/api/typesWithBodyKey';
-import { ElasticsearchClient } from '../../../..';
 import { InternalCoreStart } from '@kbn/core-lifecycle-server-internal';
+import { Root } from '@kbn/core-root-server-internal';
+import type { ElasticsearchClient } from '../../../..';
 import * as kbnTestServer from '../../../../../test_helpers/kbn_server';
-import { Root } from '../../../../root';
 import {
   isWriteBlockException,
   isClusterShardLimitExceeded,

src/core/server/integration_tests/saved_objects/migrations/batch_size_bytes.test.ts

@@ -10,7 +10,7 @@ import Path from 'path';
 import fs from 'fs/promises';
 import JSON5 from 'json5';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 import type { ElasticsearchClient } from '@kbn/core-elasticsearch-server';
 import { Env } from '@kbn/config';
 import { REPO_ROOT } from '@kbn/utils';

src/core/server/integration_tests/saved_objects/migrations/batch_size_bytes_exceeds_es_content_length.test.ts

@@ -11,7 +11,7 @@ import fs from 'fs/promises';
 import JSON5 from 'json5';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
 import { retryAsync } from '@kbn/core-saved-objects-migration-server-mocks';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 
 const logFilePath = Path.join(__dirname, 'batch_size_bytes_exceeds_es_content_length.log');
 

src/core/server/integration_tests/saved_objects/migrations/check_registered_types.test.ts

@@ -8,7 +8,7 @@
 
 import type { ISavedObjectTypeRegistry } from '@kbn/core-saved-objects-server';
 import { getMigrationHash } from '@kbn/core-test-helpers-so-type-serializer';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
 
 describe('checking migration metadata changes on all registered SO types', () => {

src/core/server/integration_tests/saved_objects/migrations/cleanup.test.ts

@@ -11,7 +11,7 @@ import Fs from 'fs';
 import Util from 'util';
 import JSON5 from 'json5';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
-import type { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 import { getMigrationDocLink } from './test_utils';
 
 const migrationDocLink = getMigrationDocLink().resolveMigrationFailures;

src/core/server/integration_tests/saved_objects/migrations/collects_corrupt_docs.test.ts

@@ -10,7 +10,7 @@ import Path from 'path';
 import Fs from 'fs';
 import Util from 'util';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 import { getMigrationDocLink } from './test_utils';
 
 const migrationDocLink = getMigrationDocLink().resolveMigrationFailures;

src/core/server/integration_tests/saved_objects/migrations/corrupt_outdated_docs.test.ts

@@ -10,7 +10,7 @@ import Path from 'path';
 import Fs from 'fs';
 import Util from 'util';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 
 const logFilePath = Path.join(__dirname, 'corrupt_outdated_docs.log');
 

src/core/server/integration_tests/saved_objects/migrations/incompatible_cluster_routing_allocation.test.ts

@@ -10,7 +10,7 @@ import Path from 'path';
 import fs from 'fs/promises';
 import JSON5 from 'json5';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 import type { ElasticsearchClient } from '@kbn/core-elasticsearch-server';
 import { LogRecord } from '@kbn/logging';
 import { getDocVersion } from './test_utils';

src/core/server/integration_tests/saved_objects/migrations/migration_from_older_v1.test.ts

@@ -17,7 +17,7 @@ import { ElasticsearchClient } from '@kbn/core-elasticsearch-server';
 import type { SavedObjectsRawDoc } from '@kbn/core-saved-objects-server';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
 import { InternalCoreStart } from '@kbn/core-lifecycle-server-internal';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 
 const kibanaVersion = Env.createDefault(REPO_ROOT, getEnvOptions()).packageInfo.version;
 

src/core/server/integration_tests/saved_objects/migrations/migration_from_same_v1.test.ts

@@ -17,7 +17,7 @@ import type { SavedObjectsRawDoc } from '@kbn/core-saved-objects-server';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
 import { ElasticsearchClient } from '@kbn/core-elasticsearch-server';
 import { InternalCoreStart } from '@kbn/core-lifecycle-server-internal';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 
 const kibanaVersion = Env.createDefault(REPO_ROOT, getEnvOptions()).packageInfo.version;
 

src/core/server/integration_tests/saved_objects/migrations/multiple_es_nodes.test.ts

@@ -12,7 +12,7 @@ import { kibanaServerTestUser } from '@kbn/test';
 import { kibanaPackageJson as pkg } from '@kbn/utils';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
 import type { ElasticsearchClient } from '@kbn/core-elasticsearch-server';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 
 const LOG_FILE_PREFIX = 'migration_test_multiple_es_nodes';
 

src/core/server/integration_tests/saved_objects/migrations/multiple_kibana_nodes.test.ts

@@ -13,7 +13,7 @@ import { kibanaPackageJson as pkg } from '@kbn/utils';
 import type { SavedObjectsType } from '@kbn/core-saved-objects-server';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
 import type { ElasticsearchClient } from '@kbn/core-elasticsearch-server';
-import type { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 
 const LOG_FILE_PREFIX = 'migration_test_multiple_kibana_nodes';
 

src/core/server/integration_tests/saved_objects/migrations/outdated_docs.test.ts

@@ -12,7 +12,7 @@ import Util from 'util';
 import { kibanaPackageJson as pkg } from '@kbn/utils';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
 import type { ElasticsearchClient } from '@kbn/core-elasticsearch-server';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 
 const logFilePath = Path.join(__dirname, 'outdated_docs.log');
 

src/core/server/integration_tests/saved_objects/migrations/rewriting_id.test.ts

@@ -12,7 +12,7 @@ import Util from 'util';
 import { kibanaPackageJson as pkg } from '@kbn/utils';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
 import type { ElasticsearchClient } from '@kbn/core-elasticsearch-server';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 import { deterministicallyRegenerateObjectId } from '@kbn/core-saved-objects-migration-server-internal';
 
 const logFilePath = Path.join(__dirname, 'rewriting_id.log');

src/core/server/integration_tests/saved_objects/migrations/wait_for_migration_completion.test.ts

@@ -12,7 +12,7 @@ import JSON5 from 'json5';
 import { kibanaPackageJson as pkg } from '@kbn/utils';
 import { retryAsync } from '@kbn/core-saved-objects-migration-server-mocks';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 
 const logFilePath = Path.join(__dirname, 'wait_for_migration_completion.log');
 

src/core/server/integration_tests/saved_objects/service/lib/repository.test.ts

@@ -8,7 +8,7 @@
 
 import { InternalCoreStart } from '@kbn/core-lifecycle-server-internal';
 import * as kbnTestServer from '../../../../../test_helpers/kbn_server';
-import { Root } from '../../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 
 const { startES } = kbnTestServer.createTestServers({
   adjustTimeout: (t: number) => jest.setTimeout(t),

src/core/server/integration_tests/saved_objects/service/lib/repository_with_proxy.test.ts

@@ -12,7 +12,7 @@ import { URL } from 'url';
 import type { SavedObject } from '@kbn/core-saved-objects-common';
 import type { ISavedObjectsRepository } from '@kbn/core-saved-objects-api-server';
 import type { InternalCoreSetup, InternalCoreStart } from '@kbn/core-lifecycle-server-internal';
-import { Root } from '../../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 import * as kbnTestServer from '../../../../../test_helpers/kbn_server';
 import {
   declareGetRoute,

src/core/server/integration_tests/saved_objects/validation/validator.test.ts

@@ -16,7 +16,7 @@ import type { ISavedObjectsRepository } from '@kbn/core-saved-objects-api-server
 import type { SavedObjectsType } from '@kbn/core-saved-objects-server';
 import { getEnvOptions } from '@kbn/config-mocks';
 import type { InternalCoreSetup, InternalCoreStart } from '@kbn/core-lifecycle-server-internal';
-import { Root } from '../../../root';
+import { Root } from '@kbn/core-root-server-internal';
 import * as kbnTestServer from '../../../../test_helpers/kbn_server';
 
 const kibanaVersion = Env.createDefault(REPO_ROOT, getEnvOptions()).packageInfo.version;

src/core/test_helpers/kbn_server.ts

@@ -22,7 +22,7 @@ import {
 import { CliArgs, Env } from '@kbn/config';
 
 import type { InternalCoreSetup, InternalCoreStart } from '@kbn/core-lifecycle-server-internal';
-import { Root } from '../server/root';
+import { Root } from '@kbn/core-root-server-internal';
 
 export type HttpMethod = 'delete' | 'get' | 'head' | 'post' | 'put' | 'patch';
 

tsconfig.base.json

@@ -282,6 +282,8 @@
       "@kbn/core-rendering-server-mocks/*": ["packages/core/rendering/core-rendering-server-mocks/*"],
       "@kbn/core-root-browser-internal": ["packages/core/root/core-root-browser-internal"],
       "@kbn/core-root-browser-internal/*": ["packages/core/root/core-root-browser-internal/*"],
+      "@kbn/core-root-server-internal": ["packages/core/root/core-root-server-internal"],
+      "@kbn/core-root-server-internal/*": ["packages/core/root/core-root-server-internal/*"],
       "@kbn/core-saved-objects-api-browser": ["packages/core/saved-objects/core-saved-objects-api-browser"],
       "@kbn/core-saved-objects-api-browser/*": ["packages/core/saved-objects/core-saved-objects-api-browser/*"],
       "@kbn/core-saved-objects-api-server": ["packages/core/saved-objects/core-saved-objects-api-server"],

yarn.lock

@@ -3294,6 +3294,10 @@
   version "0.0.0"
   uid ""
 
+"@kbn/core-root-server-internal@link:bazel-bin/packages/core/root/core-root-server-internal":
+  version "0.0.0"
+  uid ""
+
 "@kbn/core-saved-objects-api-browser@link:bazel-bin/packages/core/saved-objects/core-saved-objects-api-browser":
   version "0.0.0"
   uid ""