[ML] Transforms: Adds clone feature to transforms list.

x-pack/legacy/plugins/transform/public/app/app.tsx

@@ -16,6 +16,7 @@ import { getAppProviders } from './app_dependencies';
 import { AuthorizationContext } from './lib/authorization';
 import { AppDependencies } from '../shim';
 
+import { CloneTransformSection } from './sections/clone_transform';
 import { CreateTransformSection } from './sections/create_transform';
 import { TransformManagementSection } from './sections/transform_management';
 
@@ -39,6 +40,10 @@ export const App: FC = () => {
   return (
     <div data-test-subj="transformApp">
       <Switch>
+        <Route
+          path={`${CLIENT_BASE_PATH}/${SECTION_SLUG.CLONE_TRANSFORM}/:transformId`}
+          component={CloneTransformSection}
+        />
         <Route
           path={`${CLIENT_BASE_PATH}/${SECTION_SLUG.CREATE_TRANSFORM}/:savedObjectId`}
           component={CreateTransformSection}

x-pack/legacy/plugins/transform/public/app/common/index.ts

@@ -76,11 +76,14 @@ export {
   TermsAgg,
 } from './pivot_group_by';
 export {
+  defaultQuery,
   getPreviewRequestBody,
   getCreateRequestBody,
   getPivotQuery,
   isDefaultQuery,
+  isMatchAllQuery,
   isSimpleQuery,
+  matchAllQuery,
   PivotQuery,
   SimpleQuery,
 } from './request';

x-pack/legacy/plugins/transform/public/app/common/request.test.ts

@@ -12,19 +12,26 @@ import { StepDetailsExposedState } from '../sections/create_transform/components
 import { PIVOT_SUPPORTED_GROUP_BY_AGGS } from './pivot_group_by';
 import { PivotAggsConfig, PIVOT_SUPPORTED_AGGS } from './pivot_aggs';
 import {
+  defaultQuery,
   getPreviewRequestBody,
   getCreateRequestBody,
   getPivotQuery,
   isDefaultQuery,
+  isMatchAllQuery,
   isSimpleQuery,
+  matchAllQuery,
   PivotQuery,
 } from './request';
 
-const defaultQuery: PivotQuery = { query_string: { query: '*' } };
-const matchAllQuery: PivotQuery = { match_all: {} };
 const simpleQuery: PivotQuery = { query_string: { query: 'airline:AAL' } };
 
 describe('Transform: Common', () => {
+  test('isMatchAllQuery()', () => {
+    expect(isMatchAllQuery(defaultQuery)).toBe(false);
+    expect(isMatchAllQuery(matchAllQuery)).toBe(true);
+    expect(isMatchAllQuery(simpleQuery)).toBe(false);
+  });
+
   test('isSimpleQuery()', () => {
     expect(isSimpleQuery(defaultQuery)).toBe(true);
     expect(isSimpleQuery(matchAllQuery)).toBe(false);

x-pack/legacy/plugins/transform/public/app/common/request.ts

@@ -53,6 +53,12 @@ export function isSimpleQuery(arg: any): arg is SimpleQuery {
   return arg.query_string !== undefined;
 }
 
+export const matchAllQuery = { match_all: {} };
+export function isMatchAllQuery(query: any): boolean {
+  return query.match_all && Object.keys(query.match_all).length === 0;
+}
+
+export const defaultQuery: PivotQuery = { query_string: { query: '*' } };
 export function isDefaultQuery(query: PivotQuery): boolean {
   return isSimpleQuery(query) && query.query_string.query === '*';
 }

x-pack/legacy/plugins/transform/public/app/constants/index.ts

@@ -8,6 +8,7 @@ export const CLIENT_BASE_PATH = '/management/elasticsearch/transform';
 
 export enum SECTION_SLUG {
   HOME = 'transform_management',
+  CLONE_TRANSFORM = 'clone_transform',
   CREATE_TRANSFORM = 'create_transform',
 }
 

x-pack/legacy/plugins/transform/public/app/lib/kibana/common.ts

@@ -4,17 +4,19 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import { SavedObjectsClientContract, IUiSettingsClient } from 'src/core/public';
+import { SavedObjectsClientContract, SimpleSavedObject, IUiSettingsClient } from 'src/core/public';
 import {
   IndexPattern,
   esQuery,
   IndexPatternsContract,
 } from '../../../../../../../../src/plugins/data/public';
 
+import { matchAllQuery } from '../../common';
+
 type IndexPatternId = string;
 type SavedSearchId = string;
 
-let indexPatternCache = [];
+let indexPatternCache: Array<SimpleSavedObject<Record<string, any>>> = [];
 let fullIndexPatterns;
 let currentIndexPattern = null;
 let currentSavedSearch = null;
@@ -53,6 +55,10 @@ export function loadIndexPatterns(
     });
 }
 
+export function getIndexPatternIdByTitle(indexPatternTitle: string): string | undefined {
+  return indexPatternCache.find(d => d?.attributes?.title === indexPatternTitle)?.id;
+}
+
 type CombinedQuery = Record<'bool', any> | unknown;
 
 export function loadCurrentIndexPattern(
@@ -69,12 +75,20 @@ export function loadCurrentSavedSearch(savedSearches: any, savedSearchId: SavedS
   return currentSavedSearch;
 }
 
+function isIndexPattern(arg: any): arg is IndexPattern {
+  return arg !== undefined;
+}
 // Helper for creating the items used for searching and job creation.
 export function createSearchItems(
   indexPattern: IndexPattern | undefined,
   savedSearch: any,
   config: IUiSettingsClient
-) {
+): {
+  indexPattern: IndexPattern;
+  savedSearch: any;
+  query: any;
+  combinedQuery: CombinedQuery;
+} {
   // query is only used by the data visualizer as it needs
   // a lucene query_string.
   // Using a blank query will cause match_all:{} to be used
@@ -86,17 +100,13 @@ export function createSearchItems(
 
   let combinedQuery: CombinedQuery = {
     bool: {
-      must: [
-        {
-          match_all: {},
-        },
-      ],
+      must: [matchAllQuery],
     },
   };
 
-  if (indexPattern === undefined && savedSearch !== null && savedSearch.id !== undefined) {
+  if (!isIndexPattern(indexPattern) && savedSearch !== null && savedSearch.id !== undefined) {
     const searchSource = savedSearch.searchSource;
-    indexPattern = searchSource.getField('index');
+    indexPattern = searchSource.getField('index') as IndexPattern;
 
     query = searchSource.getField('query');
     const fs = searchSource.getField('filter');
@@ -107,6 +117,10 @@ export function createSearchItems(
     combinedQuery = esQuery.buildEsQuery(indexPattern, [query], filters, esQueryConfigs);
   }
 
+  if (!isIndexPattern(indexPattern)) {
+    throw new Error('Index Pattern is not defined.');
+  }
+
   return {
     indexPattern,
     savedSearch,

x-pack/legacy/plugins/transform/public/app/lib/kibana/index.ts

@@ -4,6 +4,7 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
+export { getIndexPatternIdByTitle, loadIndexPatterns } from './common';
 export {
   useKibanaContext,
   InitializedKibanaContextValue,

x-pack/legacy/plugins/transform/public/app/lib/kibana/kibana_context.tsx

@@ -6,30 +6,26 @@
 
 import React, { createContext, useContext, FC } from 'react';
 
+import { IUiSettingsClient } from 'kibana/public';
+
 import { SavedSearch } from '../../../../../../../../src/legacy/core_plugins/kibana/public/discover/np_ready/types';
 import {
   IndexPattern,
   IndexPatternsContract,
 } from '../../../../../../../../src/plugins/data/public';
-import { KibanaConfig } from '../../../../../../../../src/legacy/server/kbn_server';
-
-// set() method is missing in original d.ts
-interface KibanaConfigTypeFix extends KibanaConfig {
-  set(key: string, value: any): void;
-}
 
 interface UninitializedKibanaContextValue {
-  initialized: boolean;
+  initialized: false;
 }
 
 export interface InitializedKibanaContextValue {
   combinedQuery: any;
-  currentIndexPattern: IndexPattern;
-  currentSavedSearch: SavedSearch;
   indexPatterns: IndexPatternsContract;
-  initialized: boolean;
+  initialized: true;
   kbnBaseUrl: string;
-  kibanaConfig: KibanaConfigTypeFix;
+  kibanaConfig: IUiSettingsClient;
+  currentIndexPattern: IndexPattern;
+  currentSavedSearch?: SavedSearch;
 }
 
 export type KibanaContextValue = UninitializedKibanaContextValue | InitializedKibanaContextValue;

x-pack/legacy/plugins/transform/public/app/lib/kibana/kibana_provider.tsx

@@ -17,7 +17,7 @@ import {
   loadCurrentSavedSearch,
 } from './common';
 
-import { KibanaContext, KibanaContextValue } from './kibana_context';
+import { InitializedKibanaContextValue, KibanaContext, KibanaContextValue } from './kibana_context';
 
 const indexPatterns = npStart.plugins.data.indexPatterns;
 const savedObjectsClient = npStart.core.savedObjects.client;
@@ -52,20 +52,20 @@ export const KibanaProvider: FC<Props> = ({ savedObjectId, children }) => {
 
     const kibanaConfig = npStart.core.uiSettings;
 
-    const { indexPattern, savedSearch, combinedQuery } = createSearchItems(
-      fetchedIndexPattern,
-      fetchedSavedSearch,
-      kibanaConfig
-    );
-
-    const kibanaContext = {
+    const {
+      indexPattern: currentIndexPattern,
+      savedSearch: currentSavedSearch,
       combinedQuery,
-      currentIndexPattern: indexPattern,
-      currentSavedSearch: savedSearch,
+    } = createSearchItems(fetchedIndexPattern, fetchedSavedSearch, kibanaConfig);
+
+    const kibanaContext: InitializedKibanaContextValue = {
       indexPatterns,
       initialized: true,
       kbnBaseUrl: npStart.core.injectedMetadata.getBasePath(),
       kibanaConfig,
+      combinedQuery,
+      currentIndexPattern,
+      currentSavedSearch,
     };
 
     setContextValue(kibanaContext);