[Stack Monitoring] Elasticsearch Overview view migration (#111941)

* Elasticsearch overview first version

* Fix timezone in react components

* Extraxt on brush behaviour from elasticsearch overview page

* Fix overview component type

* Add elasticsearch pages template with some tabs

* Conditionally add some tabs for elasticsearch pages

* fix import and types

* Filter angular errors in react

* remove disabled property from tabs

* Add comment

x-pack/plugins/monitoring/public/application/hooks/use_charts.tsx

@@ -0,0 +1,81 @@
+/*
+ * 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 moment from 'moment';
+import { useContext, useState, useEffect, useRef } from 'react';
+import { useHistory } from 'react-router-dom';
+import { useKibana } from '../../../../../../src/plugins/kibana_react/public';
+import { MonitoringTimeContainer } from '../hooks/use_monitoring_time';
+
+export function useCharts() {
+  const { services } = useKibana<{ data: any }>();
+  const history = useHistory();
+  const { handleTimeChange } = useContext(MonitoringTimeContainer.Context);
+
+  const [zoomInLevel, setZoomInLevel] = useState(0);
+
+  // We need something to know when the onBrush event was fired because the pop state event
+  // is also fired when the onBrush event is fired (although only on the first onBrush event) and
+  // causing the zoomInLevel to change.
+  // In Angular, this was handled by removing the listener before updating the state and adding
+  // it again after some milliseconds, but the same trick didn't work in React.
+  const [onBrushHappened, _setOnBrushHappened] = useState(false);
+
+  const onBrushHappenedRef = useRef(onBrushHappened);
+
+  const setOnBrushHappened = (data: boolean) => {
+    onBrushHappenedRef.current = data;
+    _setOnBrushHappened(data);
+  };
+
+  useEffect(() => {
+    const popstateHandler = () => {
+      if (onBrushHappenedRef.current) {
+        setOnBrushHappened(false);
+      } else {
+        setZoomInLevel((currentZoomInLevel) => {
+          if (currentZoomInLevel > 0) {
+            return currentZoomInLevel - 1;
+          }
+          return 0;
+        });
+      }
+    };
+
+    window.addEventListener('popstate', popstateHandler);
+    return () => window.removeEventListener('popstate', popstateHandler);
+  }, []);
+
+  const onBrush = ({ xaxis }: any) => {
+    const { to, from } = xaxis;
+    const timezone = services.uiSettings?.get('dateFormat:tz');
+    const offset = getOffsetInMS(timezone);
+    const fromTime = moment(from - offset);
+    const toTime = moment(to - offset);
+    handleTimeChange(fromTime.toISOString(), toTime.toISOString());
+    setOnBrushHappened(true);
+    setZoomInLevel(zoomInLevel + 1);
+  };
+
+  const zoomInfo = {
+    zoomOutHandler: () => history.goBack(),
+    showZoomOutBtn: () => zoomInLevel > 0,
+  };
+
+  return {
+    onBrush,
+    zoomInfo,
+  };
+}
+
+const getOffsetInMS = (timezone: string) => {
+  if (timezone === 'Browser') {
+    return 0;
+  }
+  const offsetInMinutes = moment.tz(timezone).utcOffset();
+  const offsetInMS = offsetInMinutes * 1 * 60 * 1000;
+  return offsetInMS;
+};

x-pack/plugins/monitoring/public/application/hooks/use_monitoring_time.ts

@@ -4,9 +4,11 @@
  * 2.0; you may not use this file except in compliance with the Elastic License
  * 2.0.
  */
-import { useCallback, useState } from 'react';
+import { useCallback, useState, useContext } from 'react';
 import createContainer from 'constate';
 import { useKibana } from '../../../../../../src/plugins/kibana_react/public';
+import { Legacy } from '../../legacy_shims';
+import { GlobalStateContext } from '../../application/global_state_context';
 
 interface TimeOptions {
   from: string;
@@ -25,6 +27,8 @@ const DEFAULT_REFRESH_INTERVAL_PAUSE = false;
 
 export const useMonitoringTime = () => {
   const { services } = useKibana<{ data: any }>();
+  const state = useContext(GlobalStateContext);
+
   const defaultTimeRange = {
     ...DEFAULT_TIMERANGE,
     ...services.data?.query.timefilter.timefilter.getTime(),
@@ -39,8 +43,14 @@ export const useMonitoringTime = () => {
   const handleTimeChange = useCallback(
     (start: string, end: string) => {
       setTimeRange({ ...currentTimerange, from: start, to: end });
+      state.time = {
+        from: start,
+        to: end,
+      };
+      Legacy.shims.timefilter.setTime(state.time);
+      state.save?.();
     },
-    [currentTimerange, setTimeRange]
+    [currentTimerange, setTimeRange, state]
   );
 
   return {

x-pack/plugins/monitoring/public/application/index.tsx

@@ -18,6 +18,8 @@ import { GlobalStateProvider } from './global_state_context';
 import { ExternalConfigContext, ExternalConfig } from './external_config_context';
 import { createPreserveQueryHistory } from './preserve_query_history';
 import { RouteInit } from './route_init';
+import { ElasticsearchOverviewPage } from './pages/elasticsearch/overview';
+import { CODE_PATH_ELASTICSEARCH } from '../../common/constants';
 import { MonitoringTimeContainer } from './hooks/use_monitoring_time';
 import { BreadcrumbContainer } from './hooks/use_breadcrumbs';
 
@@ -72,6 +74,14 @@ const MonitoringApp: React.FC<{
                     codePaths={['all']}
                     fetchAllClusters={false}
                   />
+
+                  {/* ElasticSearch Views */}
+                  <RouteInit
+                    path="/elasticsearch"
+                    component={ElasticsearchOverviewPage}
+                    codePaths={[CODE_PATH_ELASTICSEARCH]}
+                    fetchAllClusters={false}
+                  />
                   <Redirect
                     to={{
                       pathname: '/loading',

x-pack/plugins/monitoring/public/application/pages/cluster/overview_page.tsx

@@ -51,10 +51,8 @@ export const ClusterOverview: React.FC<{}> = () => {
       {
         id: 'clusterName',
         label: clusters[0].cluster_name,
-        disabled: false,
-        description: clusters[0].cluster_name,
-        onClick: () => {},
         testSubj: 'clusterName',
+        route: '/overview',
       },
     ];
   }

x-pack/plugins/monitoring/public/application/pages/elasticsearch/elasticsearch_template.tsx

@@ -0,0 +1,69 @@
+/*
+ * 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 React from 'react';
+import { i18n } from '@kbn/i18n';
+import { includes } from 'lodash';
+import { PageTemplate } from '../page_template';
+import { TabMenuItem, PageTemplateProps } from '../page_template';
+import { ML_SUPPORTED_LICENSES } from '../../../../common/constants';
+
+interface ElasticsearchTemplateProps extends PageTemplateProps {
+  cluster: any;
+}
+
+export const ElasticsearchTemplate: React.FC<ElasticsearchTemplateProps> = ({
+  cluster,
+  ...props
+}) => {
+  const tabs: TabMenuItem[] = [
+    {
+      id: 'overview',
+      label: i18n.translate('xpack.monitoring.esNavigation.overviewLinkText', {
+        defaultMessage: 'Overview',
+      }),
+      route: '/elasticsearch',
+    },
+    {
+      id: 'nodes',
+      label: i18n.translate('xpack.monitoring.esNavigation.nodesLinkText', {
+        defaultMessage: 'Nodes',
+      }),
+      route: '/elasticsearch/nodes',
+    },
+    {
+      id: 'indices',
+      label: i18n.translate('xpack.monitoring.esNavigation.indicesLinkText', {
+        defaultMessage: 'Indices',
+      }),
+      route: '/elasticsearch/indices',
+    },
+  ];
+
+  if (mlIsSupported(cluster.license)) {
+    tabs.push({
+      id: 'ml',
+      label: i18n.translate('xpack.monitoring.esNavigation.jobsLinkText', {
+        defaultMessage: 'Machine learning jobs',
+      }),
+      route: '/elasticsearch/ml_jobs',
+    });
+  }
+
+  if (cluster.isCcrEnabled) {
+    tabs.push({
+      id: 'ccr',
+      label: i18n.translate('xpack.monitoring.esNavigation.ccrLinkText', {
+        defaultMessage: 'CCR',
+      }),
+      route: '/elasticsearch/ccr',
+    });
+  }
+
+  return <PageTemplate {...props} tabs={tabs} product="elasticsearch" />;
+};
+
+const mlIsSupported = (license: any) => includes(ML_SUPPORTED_LICENSES, license.type);

x-pack/plugins/monitoring/public/application/pages/elasticsearch/overview.tsx

@@ -0,0 +1,97 @@
+/*
+ * 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 React, { useContext, useState, useCallback } from 'react';
+import { i18n } from '@kbn/i18n';
+import { find } from 'lodash';
+import { ElasticsearchTemplate } from './elasticsearch_template';
+import { useKibana } from '../../../../../../../src/plugins/kibana_react/public';
+import { GlobalStateContext } from '../../global_state_context';
+import { ElasticsearchOverview } from '../../../components/elasticsearch';
+import { ComponentProps } from '../../route_init';
+import { useCharts } from '../../hooks/use_charts';
+
+export const ElasticsearchOverviewPage: React.FC<ComponentProps> = ({ clusters }) => {
+  const globalState = useContext(GlobalStateContext);
+  const { zoomInfo, onBrush } = useCharts();
+  const { services } = useKibana<{ data: any }>();
+  const clusterUuid = globalState.cluster_uuid;
+  const ccs = globalState.ccs;
+  const cluster = find(clusters, {
+    cluster_uuid: clusterUuid,
+  });
+  const [data, setData] = useState(null);
+  const [showShardActivityHistory, setShowShardActivityHistory] = useState(false);
+  const toggleShardActivityHistory = () => {
+    setShowShardActivityHistory(!showShardActivityHistory);
+  };
+  const filterShardActivityData = (shardActivity: any) => {
+    return shardActivity.filter((row: any) => {
+      return showShardActivityHistory || row.stage !== 'DONE';
+    });
+  };
+
+  const title = i18n.translate('xpack.monitoring.elasticsearch.overview.title', {
+    defaultMessage: 'Elasticsearch',
+  });
+
+  const pageTitle = i18n.translate('xpack.monitoring.elasticsearch.overview.pageTitle', {
+    defaultMessage: 'Elasticsearch overview',
+  });
+
+  const getPageData = useCallback(async () => {
+    const bounds = services.data?.query.timefilter.timefilter.getBounds();
+    const url = `../api/monitoring/v1/clusters/${clusterUuid}/elasticsearch`;
+
+    const response = await services.http?.fetch(url, {
+      method: 'POST',
+      body: JSON.stringify({
+        ccs,
+        timeRange: {
+          min: bounds.min.toISOString(),
+          max: bounds.max.toISOString(),
+        },
+      }),
+    });
+
+    setData(response);
+  }, [ccs, clusterUuid, services.data?.query.timefilter.timefilter, services.http]);
+
+  const renderOverview = (overviewData: any) => {
+    if (overviewData === null) {
+      return null;
+    }
+    const { clusterStatus, metrics, shardActivity, logs } = overviewData || {};
+    const shardActivityData = shardActivity && filterShardActivityData(shardActivity); // no filter on data = null
+
+    return (
+      <ElasticsearchOverview
+        clusterStatus={clusterStatus}
+        metrics={metrics}
+        logs={logs}
+        cluster={cluster}
+        shardActivity={shardActivityData}
+        onBrush={onBrush}
+        showShardActivityHistory={showShardActivityHistory}
+        toggleShardActivityHistory={toggleShardActivityHistory}
+        zoomInfo={zoomInfo}
+        data-test-subj="elasticsearchOverviewPage"
+      />
+    );
+  };
+
+  return (
+    <ElasticsearchTemplate
+      title={title}
+      pageTitle={pageTitle}
+      getPageData={getPageData}
+      data-test-subj="elasticsearchOverviewPage"
+      cluster={cluster}
+    >
+      <div data-test-subj="elasticsearchOverviewPage">{renderOverview(data)}</div>
+    </ElasticsearchTemplate>
+  );
+};