[AO] - Add scaffolding and the main chart to the Logs threshold Alert…

… Details page (#153081)

## Summary
### This is a kickoff PR; more PRs will follow up. 

It closes #152738
<img width="1191" alt="Screenshot 2023-03-23 at 13 10 09"
src="https://user-images.githubusercontent.com/6838659/227239913-4516cf44-92f6-454c-a7af-72dafb12cfb6.png">


### Checklist

Delete any items that are not applicable to this PR.

- [x] Any text added follows [EUI's writing
guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)
- [x] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios

x-pack/plugins/infra/common/alerting/logs/log_threshold/types.ts

@@ -401,3 +401,8 @@ export const isOptimizableGroupedThreshold = (
     return false;
   }
 };
+
+export interface ExecutionTimeRange {
+  gte?: number;
+  lte: number;
+}

x-pack/plugins/infra/common/http_api/log_alerts/chart_preview_data.ts

@@ -85,6 +85,13 @@ export const getLogAlertsChartPreviewDataRequestPayloadRT = rt.type({
     logView: persistedLogViewReferenceRT,
     alertParams: getLogAlertsChartPreviewDataAlertParamsSubsetRT,
     buckets: rt.number,
+    executionTimeRange: rt.union([
+      rt.undefined,
+      rt.type({
+        gte: rt.number,
+        lte: rt.number,
+      }),
+    ]),
   }),
 });
 

x-pack/plugins/infra/public/alerting/log_threshold/components/alert_details_app_section/index.tsx

@@ -0,0 +1,57 @@
+/*
+ * 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; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+import { EuiFlexGroup, EuiFlexItem } from '@elastic/eui';
+import { ALERT_DURATION, ALERT_END } from '@kbn/rule-data-utils';
+import moment from 'moment';
+import React from 'react';
+import { type PartialCriterion } from '../../../../../common/alerting/logs/log_threshold';
+import { CriterionPreview } from '../expression_editor/criterion_preview_chart';
+import { AlertDetailsAppSectionProps } from './types';
+
+const AlertDetailsAppSection = ({ rule, alert }: AlertDetailsAppSectionProps) => {
+  const ruleWindowSizeMS = moment
+    .duration(rule.params.timeSize, rule.params.timeUnit)
+    .asMilliseconds();
+  const alertDurationMS = alert.fields[ALERT_DURATION]! / 1000;
+  const TWENTY_TIMES_RULE_WINDOW_MS = 20 * ruleWindowSizeMS;
+  /**
+   * This is part or the requirements (RFC).
+   * If the alert is less than 20 units of `FOR THE LAST <x> <units>` then we should draw a time range of 20 units.
+   * IE. The user set "FOR THE LAST 5 minutes" at a minimum we should show 100 minutes.
+   */
+  const rangeFrom =
+    alertDurationMS < TWENTY_TIMES_RULE_WINDOW_MS
+      ? Number(moment(alert.start).subtract(TWENTY_TIMES_RULE_WINDOW_MS, 'millisecond').format('x'))
+      : Number(moment(alert.start).subtract(ruleWindowSizeMS, 'millisecond').format('x'));
+
+  const rangeTo = alert.active
+    ? Date.now()
+    : Number(moment(alert.fields[ALERT_END]).add(ruleWindowSizeMS, 'millisecond').format('x'));
+
+  return (
+    // Create a chart per-criteria
+    <EuiFlexGroup>
+      {rule.params.criteria.map((criteria) => {
+        const chartCriterion = criteria as PartialCriterion;
+        return (
+          <EuiFlexItem>
+            <CriterionPreview
+              key={chartCriterion.field}
+              ruleParams={rule.params}
+              sourceId={rule.params.logView.logViewId}
+              chartCriterion={chartCriterion}
+              showThreshold={true}
+              executionTimeRange={{ gte: rangeFrom, lte: rangeTo }}
+            />
+          </EuiFlexItem>
+        );
+      })}
+    </EuiFlexGroup>
+  );
+};
+// eslint-disable-next-line import/no-default-export
+export default AlertDetailsAppSection;

x-pack/plugins/infra/public/alerting/log_threshold/components/alert_details_app_section/types.ts

@@ -0,0 +1,15 @@
+/*
+ * 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; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { Rule } from '@kbn/alerting-plugin/common';
+import { TopAlert } from '@kbn/observability-plugin/public';
+import { PartialRuleParams } from '../../../../../common/alerting/logs/log_threshold';
+
+export interface AlertDetailsAppSectionProps {
+  rule: Rule<PartialRuleParams>;
+  alert: TopAlert;
+}

x-pack/plugins/infra/public/alerting/log_threshold/components/expression_editor/criterion_preview_chart.tsx

@@ -21,6 +21,7 @@ import {
 import { EuiText } from '@elastic/eui';
 import { FormattedMessage } from '@kbn/i18n-react';
 import { useKibana } from '@kbn/kibana-react-plugin/public';
+import { ExecutionTimeRange } from '../../../../types';
 import {
   ChartContainer,
   LoadingState,
@@ -56,13 +57,15 @@ interface Props {
   chartCriterion: Partial<Criterion>;
   sourceId: string;
   showThreshold: boolean;
+  executionTimeRange?: ExecutionTimeRange;
 }
 
 export const CriterionPreview: React.FC<Props> = ({
   ruleParams,
   chartCriterion,
   sourceId,
   showThreshold,
+  executionTimeRange,
 }) => {
   const chartAlertParams: GetLogAlertsChartPreviewDataAlertParamsSubset | null = useMemo(() => {
     const { field, comparator, value } = chartCriterion;
@@ -106,6 +109,7 @@ export const CriterionPreview: React.FC<Props> = ({
       threshold={ruleParams.count}
       chartAlertParams={chartAlertParams}
       showThreshold={showThreshold}
+      executionTimeRange={executionTimeRange}
     />
   );
 };
@@ -116,6 +120,7 @@ interface ChartProps {
   threshold?: Threshold;
   chartAlertParams: GetLogAlertsChartPreviewDataAlertParamsSubset;
   showThreshold: boolean;
+  executionTimeRange?: ExecutionTimeRange;
 }
 
 const CriterionPreviewChart: React.FC<ChartProps> = ({
@@ -124,6 +129,7 @@ const CriterionPreviewChart: React.FC<ChartProps> = ({
   threshold,
   chartAlertParams,
   showThreshold,
+  executionTimeRange,
 }) => {
   const { uiSettings } = useKibana().services;
   const isDarkMode = uiSettings?.get('theme:darkMode') || false;
@@ -138,6 +144,7 @@ const CriterionPreviewChart: React.FC<ChartProps> = ({
     sourceId,
     ruleParams: chartAlertParams,
     buckets,
+    executionTimeRange,
   });
 
   useDebounce(

x-pack/plugins/infra/public/alerting/log_threshold/components/expression_editor/hooks/use_chart_preview_data.tsx

@@ -8,6 +8,7 @@
 import { useState, useMemo } from 'react';
 import { HttpHandler } from '@kbn/core/public';
 import { useKibana } from '@kbn/kibana-react-plugin/public';
+import { ExecutionTimeRange } from '../../../../../types';
 import { useTrackedPromise } from '../../../../../utils/use_tracked_promise';
 import {
   GetLogAlertsChartPreviewDataSuccessResponsePayload,
@@ -22,11 +23,16 @@ interface Options {
   sourceId: string;
   ruleParams: GetLogAlertsChartPreviewDataAlertParamsSubset;
   buckets: number;
+  executionTimeRange?: ExecutionTimeRange;
 }
 
-export const useChartPreviewData = ({ sourceId, ruleParams, buckets }: Options) => {
+export const useChartPreviewData = ({
+  sourceId,
+  ruleParams,
+  buckets,
+  executionTimeRange,
+}: Options) => {
   const { http } = useKibana().services;
-
   const [chartPreviewData, setChartPreviewData] = useState<
     GetLogAlertsChartPreviewDataSuccessResponsePayload['data']['series']
   >([]);
@@ -36,7 +42,13 @@ export const useChartPreviewData = ({ sourceId, ruleParams, buckets }: Options)
       cancelPreviousOn: 'creation',
       createPromise: async () => {
         setHasError(false);
-        return await callGetChartPreviewDataAPI(sourceId, http!.fetch, ruleParams, buckets);
+        return await callGetChartPreviewDataAPI(
+          sourceId,
+          http!.fetch,
+          ruleParams,
+          buckets,
+          executionTimeRange
+        );
       },
       onResolve: ({ data: { series } }) => {
         setHasError(false);
@@ -66,7 +78,8 @@ export const callGetChartPreviewDataAPI = async (
   sourceId: string,
   fetch: HttpHandler,
   alertParams: GetLogAlertsChartPreviewDataAlertParamsSubset,
-  buckets: number
+  buckets: number,
+  executionTimeRange?: ExecutionTimeRange
 ) => {
   const response = await fetch(LOG_ALERTS_CHART_PREVIEW_DATA_PATH, {
     method: 'POST',
@@ -76,6 +89,7 @@ export const callGetChartPreviewDataAPI = async (
           logView: { type: 'log-view-reference', logViewId: sourceId },
           alertParams,
           buckets,
+          executionTimeRange,
         },
       })
     ),

x-pack/plugins/infra/public/alerting/log_threshold/log_threshold_rule_type.tsx

@@ -7,6 +7,7 @@
 
 import { i18n } from '@kbn/i18n';
 import { ObservabilityRuleTypeModel } from '@kbn/observability-plugin/public';
+import { lazy } from 'react';
 import {
   LOG_DOCUMENT_COUNT_RULE_TYPE_ID,
   PartialRuleParams,
@@ -33,6 +34,7 @@ export function createLogThresholdRuleType(
     documentationUrl(docLinks) {
       return `${docLinks.links.observability.logsThreshold}`;
     },
+    alertDetailsAppSection: lazy(() => import('./components/alert_details_app_section')),
     ruleParamsExpression,
     validate: validateExpression,
     defaultActionMessage: i18n.translate(

x-pack/plugins/infra/public/types.ts

@@ -112,6 +112,11 @@ export interface LensOptions {
   breakdownSize: number;
 }
 
+export interface ExecutionTimeRange {
+  gte: number;
+  lte: number;
+}
+
 type PropsOf<T> = T extends React.ComponentType<infer ComponentProps> ? ComponentProps : never;
 type FirstArgumentOf<Func> = Func extends (arg1: infer FirstArgument, ...rest: any[]) => any
   ? FirstArgument

x-pack/plugins/infra/server/lib/alerting/log_threshold/log_threshold_chart_preview.ts

@@ -7,6 +7,7 @@
 
 import { i18n } from '@kbn/i18n';
 import {
+  ExecutionTimeRange,
   GroupedSearchQueryResponse,
   GroupedSearchQueryResponseRT,
   isOptimizedGroupedSearchQueryResponse,
@@ -35,7 +36,8 @@ export async function getChartPreviewData(
   resolvedLogView: ResolvedLogView,
   callWithRequest: KibanaFramework['callWithRequest'],
   alertParams: GetLogAlertsChartPreviewDataAlertParamsSubset,
-  buckets: number
+  buckets: number,
+  executionTimeRange?: ExecutionTimeRange
 ) {
   const { indices, timestampField, runtimeMappings } = resolvedLogView;
   const { groupBy, timeSize, timeUnit } = alertParams;
@@ -47,11 +49,10 @@ export async function getChartPreviewData(
     timeSize: timeSize * buckets,
   };
 
-  const executionTimestamp = Date.now();
   const { rangeFilter } = buildFiltersFromCriteria(
     expandedAlertParams,
     timestampField,
-    executionTimestamp
+    executionTimeRange
   );
 
   const query = isGrouped
@@ -60,14 +61,14 @@ export async function getChartPreviewData(
         timestampField,
         indices,
         runtimeMappings,
-        executionTimestamp
+        executionTimeRange
       )
     : getUngroupedESQuery(
         expandedAlertParams,
         timestampField,
         indices,
         runtimeMappings,
-        executionTimestamp
+        executionTimeRange
       );
 
   if (!query) {

x-pack/plugins/infra/server/lib/alerting/log_threshold/log_threshold_executor.test.ts

@@ -140,7 +140,9 @@ const baseRuleParams: Pick<RuleParams, 'count' | 'timeSize' | 'timeUnit' | 'logV
 
 const TIMESTAMP_FIELD = '@timestamp';
 const FILEBEAT_INDEX = 'filebeat-*';
-const EXECUTION_TIMESTAMP = new Date('2022-01-01T00:00:00.000Z').valueOf();
+const EXECUTION_TIMERANGE = {
+  lte: new Date('2022-01-01T00:00:00.000Z').valueOf(),
+};
 
 const runtimeMappings: estypes.MappingRuntimeFields = {
   runtime_field: {
@@ -173,7 +175,7 @@ describe('Log threshold executor', () => {
         ...baseRuleParams,
         criteria: positiveCriteria,
       };
-      const filters = buildFiltersFromCriteria(ruleParams, TIMESTAMP_FIELD, EXECUTION_TIMESTAMP);
+      const filters = buildFiltersFromCriteria(ruleParams, TIMESTAMP_FIELD, EXECUTION_TIMERANGE);
       expect(filters.mustFilters).toEqual(expectedPositiveFilterClauses);
     });
 
@@ -182,14 +184,14 @@ describe('Log threshold executor', () => {
         ...baseRuleParams,
         criteria: negativeCriteria,
       };
-      const filters = buildFiltersFromCriteria(ruleParams, TIMESTAMP_FIELD, EXECUTION_TIMESTAMP);
+      const filters = buildFiltersFromCriteria(ruleParams, TIMESTAMP_FIELD, EXECUTION_TIMERANGE);
 
       expect(filters.mustNotFilters).toEqual(expectedNegativeFilterClauses);
     });
 
     test('Handles time range', () => {
       const ruleParams: RuleParams = { ...baseRuleParams, criteria: [] };
-      const filters = buildFiltersFromCriteria(ruleParams, TIMESTAMP_FIELD, EXECUTION_TIMESTAMP);
+      const filters = buildFiltersFromCriteria(ruleParams, TIMESTAMP_FIELD, EXECUTION_TIMERANGE);
       expect(typeof filters.rangeFilter.range[TIMESTAMP_FIELD].gte).toBe('number');
       expect(typeof filters.rangeFilter.range[TIMESTAMP_FIELD].lte).toBe('number');
       expect(filters.rangeFilter.range[TIMESTAMP_FIELD].format).toBe('epoch_millis');
@@ -212,7 +214,7 @@ describe('Log threshold executor', () => {
           TIMESTAMP_FIELD,
           FILEBEAT_INDEX,
           runtimeMappings,
-          EXECUTION_TIMESTAMP
+          EXECUTION_TIMERANGE
         );
         expect(query).toEqual({
           index: 'filebeat-*',
@@ -264,7 +266,7 @@ describe('Log threshold executor', () => {
             TIMESTAMP_FIELD,
             FILEBEAT_INDEX,
             runtimeMappings,
-            EXECUTION_TIMESTAMP
+            EXECUTION_TIMERANGE
           );
 
           expect(query).toEqual({
@@ -344,7 +346,7 @@ describe('Log threshold executor', () => {
             TIMESTAMP_FIELD,
             FILEBEAT_INDEX,
             runtimeMappings,
-            EXECUTION_TIMESTAMP
+            EXECUTION_TIMERANGE
           );
 
           expect(query).toEqual({