[Partial Results] Update esaggs
expressions function to return partial results (#105620)
* Update `esaggs` expressions function to support partial results * Add partial results throttling in the expressions loader
This commit is contained in:
parent
dc45560e80
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@ -22,11 +22,12 @@ export interface IExpressionLoaderParams
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| [hasCompatibleActions](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.hascompatibleactions.md) | <code>ExpressionRenderHandlerParams['hasCompatibleActions']</code> | |
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| [inspectorAdapters](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.inspectoradapters.md) | <code>Adapters</code> | |
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| [onRenderError](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.onrendererror.md) | <code>RenderErrorHandlerFnType</code> | |
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| [partial](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.partial.md) | <code>boolean</code> | |
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| [partial](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.partial.md) | <code>boolean</code> | The flag to toggle on emitting partial results. By default, the partial results are disabled. |
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| [renderMode](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.rendermode.md) | <code>RenderMode</code> | |
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| [searchContext](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.searchcontext.md) | <code>SerializableState</code> | |
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| [searchSessionId](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.searchsessionid.md) | <code>string</code> | |
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| [syncColors](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.synccolors.md) | <code>boolean</code> | |
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| [throttle](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.throttle.md) | <code>number</code> | Throttling of partial results in milliseconds. By default, throttling is disabled. |
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| [uiState](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.uistate.md) | <code>unknown</code> | |
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| [variables](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.variables.md) | <code>Record<string, any></code> | |
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@ -4,6 +4,8 @@
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## IExpressionLoaderParams.partial property
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The flag to toggle on emitting partial results. By default, the partial results are disabled.
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<b>Signature:</b>
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```typescript
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@ -0,0 +1,13 @@
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<!-- Do not edit this file. It is automatically generated by API Documenter. -->
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[Home](./index.md) > [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) > [IExpressionLoaderParams](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.md) > [throttle](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.throttle.md)
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## IExpressionLoaderParams.throttle property
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Throttling of partial results in milliseconds. By default, throttling is disabled.
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<b>Signature:</b>
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```typescript
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throttle?: number;
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```
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@ -7,6 +7,7 @@
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*/
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import { i18n } from '@kbn/i18n';
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import { Observable } from 'rxjs';
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import { Datatable, ExpressionFunctionDefinition } from 'src/plugins/expressions/common';
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@ -22,7 +23,7 @@ import { handleRequest } from './request_handler';
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const name = 'esaggs';
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type Input = KibanaContext | null;
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type Output = Promise<Datatable>;
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type Output = Observable<Datatable>;
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interface Arguments {
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index: IndexPatternExpressionType;
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@ -6,6 +6,7 @@
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* Side Public License, v 1.
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*/
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import { from } from 'rxjs';
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import type { MockedKeys } from '@kbn/utility-types/jest';
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import type { Filter } from '../../../es_query';
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import type { IndexPattern } from '../../../index_patterns';
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@ -21,6 +22,7 @@ jest.mock('../../tabify', () => ({
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import { tabifyAggResponse } from '../../tabify';
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import { of } from 'rxjs';
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import { toArray } from 'rxjs/operators';
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describe('esaggs expression function - public', () => {
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let mockParams: MockedKeys<RequestHandlerParams>;
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@ -57,7 +59,7 @@ describe('esaggs expression function - public', () => {
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});
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test('should create a new search source instance', async () => {
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await handleRequest(mockParams);
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await handleRequest(mockParams).toPromise();
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expect(mockParams.searchSourceService.create).toHaveBeenCalledTimes(1);
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});
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@ -65,7 +67,7 @@ describe('esaggs expression function - public', () => {
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let searchSource: MockedKeys<ISearchSource>;
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beforeEach(async () => {
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await handleRequest(mockParams);
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await handleRequest(mockParams).toPromise();
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searchSource = await mockParams.searchSourceService.create();
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});
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@ -100,7 +102,7 @@ describe('esaggs expression function - public', () => {
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await handleRequest({
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...mockParams,
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filters: mockFilters,
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});
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}).toPromise();
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searchSource = await mockParams.searchSourceService.create();
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expect((searchSource.setField as jest.Mock).mock.calls[3]).toEqual(['filter', mockFilters]);
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});
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@ -118,14 +120,14 @@ describe('esaggs expression function - public', () => {
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await handleRequest({
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...mockParams,
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query: mockQuery,
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});
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}).toPromise();
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searchSource = await mockParams.searchSourceService.create();
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expect((searchSource.setField as jest.Mock).mock.calls[4]).toEqual(['query', mockQuery]);
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});
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});
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test('calls searchSource.fetch', async () => {
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await handleRequest(mockParams);
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await handleRequest(mockParams).toPromise();
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const searchSource = await mockParams.searchSourceService.create();
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expect(searchSource.fetch$).toHaveBeenCalledWith({
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@ -140,7 +142,7 @@ describe('esaggs expression function - public', () => {
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});
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test('tabifies response data', async () => {
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await handleRequest(mockParams);
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await handleRequest(mockParams).toPromise();
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expect(tabifyAggResponse).toHaveBeenCalledWith(
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mockParams.aggs,
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{},
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@ -155,7 +157,7 @@ describe('esaggs expression function - public', () => {
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await handleRequest({
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...mockParams,
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timeRange: { from: '2020-12-01', to: '2020-12-31' },
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});
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}).toPromise();
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expect((tabifyAggResponse as jest.Mock).mock.calls[0][2].timeRange).toMatchInlineSnapshot(`
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Object {
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"from": "2020-12-01T05:00:00.000Z",
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@ -167,4 +169,29 @@ describe('esaggs expression function - public', () => {
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}
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`);
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});
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test('returns partial results', async () => {
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const searchSource = await mockParams.searchSourceService.create();
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(searchSource.fetch$ as jest.MockedFunction<typeof searchSource.fetch$>).mockReturnValue(
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from([
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{
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rawResponse: {},
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},
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{
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rawResponse: {},
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},
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]) as ReturnType<typeof searchSource.fetch$>
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);
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const result = await handleRequest({
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...mockParams,
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query: { query: 'foo', language: 'bar' },
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})
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.pipe(toArray())
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.toPromise();
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expect(result).toHaveLength(2);
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expect(tabifyAggResponse).toHaveBeenCalledTimes(2);
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});
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});
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@ -7,6 +7,8 @@
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*/
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import { i18n } from '@kbn/i18n';
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import { defer } from 'rxjs';
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import { map, switchMap } from 'rxjs/operators';
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import { Adapters } from 'src/plugins/inspector/common';
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import { calculateBounds, Filter, IndexPattern, Query, TimeRange } from '../../../../common';
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@ -32,7 +34,7 @@ export interface RequestHandlerParams {
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getNow?: () => Date;
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}
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export const handleRequest = async ({
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export const handleRequest = ({
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abortSignal,
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aggs,
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filters,
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timeRange,
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getNow,
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}: RequestHandlerParams) => {
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return defer(async () => {
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const forceNow = getNow?.();
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const searchSource = await searchSourceService.create();
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@ -60,13 +63,15 @@ export const handleRequest = async ({
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// onSearchRequestStart will be called properly even though we use an inherited
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// search source.
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const timeFilterSearchSource = searchSource.createChild({ callParentStartHandlers: true });
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const requestSearchSource = timeFilterSearchSource.createChild({ callParentStartHandlers: true });
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const requestSearchSource = timeFilterSearchSource.createChild({
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callParentStartHandlers: true,
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});
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// If timeFields have been specified, use the specified ones, otherwise use primary time field of index
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// pattern if it's available.
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const defaultTimeField = indexPattern?.getTimeField?.();
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const defaultTimeFields = defaultTimeField ? [defaultTimeField.name] : [];
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const allTimeFields = timeFields && timeFields.length > 0 ? timeFields : defaultTimeFields;
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const allTimeFields = timeFields?.length ? timeFields : defaultTimeFields;
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aggs.setTimeRange(timeRange as TimeRange);
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aggs.setForceNow(forceNow);
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@ -100,7 +105,10 @@ export const handleRequest = async ({
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requestSearchSource.setField('filter', filters);
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requestSearchSource.setField('query', query);
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const { rawResponse: response } = await requestSearchSource
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return { allTimeFields, forceNow, requestSearchSource };
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}).pipe(
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switchMap(({ allTimeFields, forceNow, requestSearchSource }) =>
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requestSearchSource
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.fetch$({
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abortSignal,
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sessionId: searchSessionId,
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@ -115,8 +123,8 @@ export const handleRequest = async ({
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}),
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},
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})
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.toPromise();
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.pipe(
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map(({ rawResponse: response }) => {
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const parsedTimeRange = timeRange ? calculateBounds(timeRange, { forceNow }) : null;
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const tabifyParams = {
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metricsAtAllLevels: aggs.hierarchical,
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@ -126,7 +134,9 @@ export const handleRequest = async ({
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: undefined,
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};
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const tabifiedResponse = tabifyAggResponse(aggs, response, tabifyParams);
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return tabifiedResponse;
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return tabifyAggResponse(aggs, response, tabifyParams);
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})
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)
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)
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);
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};
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@ -6,6 +6,7 @@
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* Side Public License, v 1.
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*/
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import { of as mockOf } from 'rxjs';
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import type { MockedKeys } from '@kbn/utility-types/jest';
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import type { ExecutionContext } from 'src/plugins/expressions/public';
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import type { IndexPatternsContract } from '../../../common/index_patterns/index_patterns';
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jest.mock('../../../common/search/expressions', () => ({
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getEsaggsMeta: jest.fn().mockReturnValue({ name: 'esaggs' }),
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handleEsaggsRequest: jest.fn().mockResolvedValue({}),
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handleEsaggsRequest: jest.fn(() => mockOf({})),
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}));
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import { getEsaggsMeta, handleEsaggsRequest } from '../../../common/search/expressions';
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});
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test('calls indexPatterns.create with the values provided by the subexpression arg', async () => {
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await definition().fn(null, args, mockHandlers);
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await definition().fn(null, args, mockHandlers).toPromise();
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expect(startDependencies.indexPatterns.create).toHaveBeenCalledWith(args.index.value, true);
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});
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test('calls aggs.createAggConfigs with the values provided by the subexpression arg', async () => {
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await definition().fn(null, args, mockHandlers);
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await definition().fn(null, args, mockHandlers).toPromise();
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expect(startDependencies.aggs.createAggConfigs).toHaveBeenCalledWith(
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{},
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});
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test('calls handleEsaggsRequest with all of the right dependencies', async () => {
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await definition().fn(null, args, mockHandlers);
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await definition().fn(null, args, mockHandlers).toPromise();
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expect(handleEsaggsRequest).toHaveBeenCalledWith({
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abortSignal: mockHandlers.abortSignal,
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timeRange: { from: 'a', to: 'b' },
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} as KibanaContext;
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await definition().fn(input, args, mockHandlers);
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await definition().fn(input, args, mockHandlers).toPromise();
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expect(handleEsaggsRequest).toHaveBeenCalledWith(
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expect.objectContaining({
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@ -7,6 +7,8 @@
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*/
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import { get } from 'lodash';
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import { defer } from 'rxjs';
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import { switchMap } from 'rxjs/operators';
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import { StartServicesAccessor } from 'src/core/public';
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import {
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EsaggsExpressionFunctionDefinition,
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@ -35,7 +37,8 @@ export function getFunctionDefinition({
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}) {
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return (): EsaggsExpressionFunctionDefinition => ({
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...getEsaggsMeta(),
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async fn(input, args, { inspectorAdapters, abortSignal, getSearchSessionId }) {
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fn(input, args, { inspectorAdapters, abortSignal, getSearchSessionId }) {
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return defer(async () => {
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const { aggs, indexPatterns, searchSource, getNow } = await getStartDependencies();
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const indexPattern = await indexPatterns.create(args.index.value, true);
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);
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aggConfigs.hierarchical = args.metricsAtAllLevels;
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return await handleEsaggsRequest({
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return { aggConfigs, indexPattern, searchSource, getNow };
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}).pipe(
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switchMap(({ aggConfigs, indexPattern, searchSource, getNow }) =>
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handleEsaggsRequest({
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abortSignal,
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aggs: aggConfigs,
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filters: get(input, 'filters', undefined),
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@ -58,7 +64,9 @@ export function getFunctionDefinition({
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timeFields: args.timeFields,
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timeRange: get(input, 'timeRange', undefined),
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getNow,
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});
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})
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)
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);
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},
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});
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}
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@ -6,6 +6,7 @@
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* Side Public License, v 1.
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*/
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import { of as mockOf } from 'rxjs';
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import type { MockedKeys } from '@kbn/utility-types/jest';
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import { KibanaRequest } from 'src/core/server';
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import type { ExecutionContext } from 'src/plugins/expressions/server';
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jest.mock('../../../common/search/expressions', () => ({
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getEsaggsMeta: jest.fn().mockReturnValue({ name: 'esaggs' }),
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handleEsaggsRequest: jest.fn().mockResolvedValue({}),
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handleEsaggsRequest: jest.fn(() => mockOf({})),
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}));
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import { getEsaggsMeta, handleEsaggsRequest } from '../../../common/search/expressions';
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});
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test('calls getStartDependencies with the KibanaRequest', async () => {
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await definition().fn(null, args, mockHandlers);
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await definition().fn(null, args, mockHandlers).toPromise();
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expect(getStartDependencies).toHaveBeenCalledWith({ id: 'hi' });
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});
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test('calls indexPatterns.create with the values provided by the subexpression arg', async () => {
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await definition().fn(null, args, mockHandlers);
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await definition().fn(null, args, mockHandlers).toPromise();
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expect(startDependencies.indexPatterns.create).toHaveBeenCalledWith(args.index.value, true);
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});
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test('calls aggs.createAggConfigs with the values provided by the subexpression arg', async () => {
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await definition().fn(null, args, mockHandlers);
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await definition().fn(null, args, mockHandlers).toPromise();
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expect(startDependencies.aggs.createAggConfigs).toHaveBeenCalledWith(
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{},
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@ -104,7 +105,7 @@ describe('esaggs expression function - server', () => {
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});
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test('calls handleEsaggsRequest with all of the right dependencies', async () => {
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await definition().fn(null, args, mockHandlers);
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await definition().fn(null, args, mockHandlers).toPromise();
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expect(handleEsaggsRequest).toHaveBeenCalledWith({
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abortSignal: mockHandlers.abortSignal,
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@ -135,7 +136,7 @@ describe('esaggs expression function - server', () => {
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timeRange: { from: 'a', to: 'b' },
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} as KibanaContext;
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await definition().fn(input, args, mockHandlers);
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await definition().fn(input, args, mockHandlers).toPromise();
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expect(handleEsaggsRequest).toHaveBeenCalledWith(
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expect.objectContaining({
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@ -7,6 +7,8 @@
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*/
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import { get } from 'lodash';
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import { defer } from 'rxjs';
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import { switchMap } from 'rxjs/operators';
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import { i18n } from '@kbn/i18n';
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import { KibanaRequest, StartServicesAccessor } from 'src/core/server';
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import {
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@ -36,11 +38,8 @@ export function getFunctionDefinition({
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}): () => EsaggsExpressionFunctionDefinition {
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return () => ({
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...getEsaggsMeta(),
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async fn(
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input,
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args,
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{ inspectorAdapters, abortSignal, getSearchSessionId, getKibanaRequest }
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) {
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fn(input, args, { inspectorAdapters, abortSignal, getSearchSessionId, getKibanaRequest }) {
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return defer(async () => {
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const kibanaRequest = getKibanaRequest ? getKibanaRequest() : null;
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if (!kibanaRequest) {
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throw new Error(
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@ -62,7 +61,10 @@ export function getFunctionDefinition({
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aggConfigs.hierarchical = args.metricsAtAllLevels;
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return await handleEsaggsRequest({
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return { aggConfigs, indexPattern, searchSource };
|
||||
}).pipe(
|
||||
switchMap(({ aggConfigs, indexPattern, searchSource }) =>
|
||||
handleEsaggsRequest({
|
||||
abortSignal,
|
||||
aggs: aggConfigs,
|
||||
filters: get(input, 'filters', undefined),
|
||||
|
@ -74,7 +76,9 @@ export function getFunctionDefinition({
|
|||
searchSourceService: searchSource,
|
||||
timeFields: args.timeFields,
|
||||
timeRange: get(input, 'timeRange', undefined),
|
||||
});
|
||||
})
|
||||
)
|
||||
);
|
||||
},
|
||||
});
|
||||
}
|
||||
|
|
|
@ -8,6 +8,7 @@
|
|||
|
||||
import { of } from 'rxjs';
|
||||
import { first, skip, toArray } from 'rxjs/operators';
|
||||
import { TestScheduler } from 'rxjs/testing';
|
||||
import { loader, ExpressionLoader } from './loader';
|
||||
import { Observable } from 'rxjs';
|
||||
import {
|
||||
|
@ -22,6 +23,8 @@ const { __getLastExecution, __getLastRenderMode } = require('./services');
|
|||
|
||||
const element: HTMLElement = null as any;
|
||||
|
||||
let testScheduler: TestScheduler;
|
||||
|
||||
jest.mock('./services', () => {
|
||||
let renderMode: RenderMode | undefined;
|
||||
const renderers: Record<string, unknown> = {
|
||||
|
@ -88,6 +91,10 @@ describe('execute helper function', () => {
|
|||
describe('ExpressionLoader', () => {
|
||||
const expressionString = 'demodata';
|
||||
|
||||
beforeEach(() => {
|
||||
testScheduler = new TestScheduler((actual, expected) => expect(actual).toStrictEqual(expected));
|
||||
});
|
||||
|
||||
describe('constructor', () => {
|
||||
it('accepts expression string', () => {
|
||||
const expressionLoader = new ExpressionLoader(element, expressionString, {});
|
||||
|
@ -130,6 +137,7 @@ describe('ExpressionLoader', () => {
|
|||
const expressionLoader = new ExpressionLoader(element, 'var foo', {
|
||||
variables: { foo: of(1, 2) },
|
||||
partial: true,
|
||||
throttle: 0,
|
||||
});
|
||||
const { result, partial } = await expressionLoader.data$.pipe(first()).toPromise();
|
||||
|
||||
|
@ -137,6 +145,22 @@ describe('ExpressionLoader', () => {
|
|||
expect(result).toBe(1);
|
||||
});
|
||||
|
||||
it('throttles partial results', async () => {
|
||||
testScheduler.run(({ cold, expectObservable }) => {
|
||||
const expressionLoader = new ExpressionLoader(element, 'var foo', {
|
||||
variables: { foo: cold('a 5ms b 5ms c 10ms d', { a: 1, b: 2, c: 3, d: 4 }) },
|
||||
partial: true,
|
||||
throttle: 20,
|
||||
});
|
||||
|
||||
expectObservable(expressionLoader.data$).toBe('a 19ms c 2ms d', {
|
||||
a: expect.objectContaining({ result: 1 }),
|
||||
c: expect.objectContaining({ result: 3 }),
|
||||
d: expect.objectContaining({ result: 4 }),
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
it('emits on loading$ on initial load and on updates', async () => {
|
||||
const expressionLoader = new ExpressionLoader(element, expressionString, {});
|
||||
const loadingPromise = expressionLoader.loading$.pipe(toArray()).toPromise();
|
||||
|
|
|
@ -6,8 +6,8 @@
|
|||
* Side Public License, v 1.
|
||||
*/
|
||||
|
||||
import { BehaviorSubject, Observable, Subject, Subscription } from 'rxjs';
|
||||
import { filter, map, delay } from 'rxjs/operators';
|
||||
import { BehaviorSubject, Observable, Subject, Subscription, asyncScheduler, identity } from 'rxjs';
|
||||
import { filter, map, delay, throttleTime } from 'rxjs/operators';
|
||||
import { defaults } from 'lodash';
|
||||
import { UnwrapObservable } from '@kbn/utility-types';
|
||||
import { Adapters } from '../../inspector/public';
|
||||
|
@ -145,7 +145,10 @@ export class ExpressionLoader {
|
|||
.getData()
|
||||
.pipe(
|
||||
delay(0), // delaying until the next tick since we execute the expression in the constructor
|
||||
filter(({ partial }) => params.partial || !partial)
|
||||
filter(({ partial }) => params.partial || !partial),
|
||||
params.partial && params.throttle
|
||||
? throttleTime(params.throttle, asyncScheduler, { leading: true, trailing: true })
|
||||
: identity
|
||||
)
|
||||
.subscribe((value) => this.dataSubject.next(value));
|
||||
};
|
||||
|
@ -178,6 +181,7 @@ export class ExpressionLoader {
|
|||
this.params.syncColors = params.syncColors;
|
||||
this.params.debug = Boolean(params.debug);
|
||||
this.params.partial = Boolean(params.partial);
|
||||
this.params.throttle = Number(params.throttle ?? 1000);
|
||||
|
||||
this.params.inspectorAdapters = (params.inspectorAdapters ||
|
||||
this.execution?.inspect()) as Adapters;
|
||||
|
|
|
@ -908,7 +908,6 @@ export interface IExpressionLoaderParams {
|
|||
//
|
||||
// (undocumented)
|
||||
onRenderError?: RenderErrorHandlerFnType;
|
||||
// (undocumented)
|
||||
partial?: boolean;
|
||||
// Warning: (ae-forgotten-export) The symbol "RenderMode" needs to be exported by the entry point index.d.ts
|
||||
//
|
||||
|
@ -920,6 +919,7 @@ export interface IExpressionLoaderParams {
|
|||
searchSessionId?: string;
|
||||
// (undocumented)
|
||||
syncColors?: boolean;
|
||||
throttle?: number;
|
||||
// (undocumented)
|
||||
uiState?: unknown;
|
||||
// (undocumented)
|
||||
|
|
|
@ -48,7 +48,18 @@ export interface IExpressionLoaderParams {
|
|||
renderMode?: RenderMode;
|
||||
syncColors?: boolean;
|
||||
hasCompatibleActions?: ExpressionRenderHandlerParams['hasCompatibleActions'];
|
||||
|
||||
/**
|
||||
* The flag to toggle on emitting partial results.
|
||||
* By default, the partial results are disabled.
|
||||
*/
|
||||
partial?: boolean;
|
||||
|
||||
/**
|
||||
* Throttling of partial results in milliseconds. 0 is disabling the throttling.
|
||||
* By default, it equals 1000.
|
||||
*/
|
||||
throttle?: number;
|
||||
}
|
||||
|
||||
export interface ExpressionRenderError extends Error {
|
||||
|
|
Loading…
Reference in a new issue