[Metrics UI] Add Process tab to Enhanced Node Details

x-pack/plugins/infra/common/http_api/host_details/index.ts

@@ -0,0 +1,7 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+export * from './process_list';

x-pack/plugins/infra/common/http_api/host_details/process_list.ts

@@ -0,0 +1,20 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import * as rt from 'io-ts';
+import { MetricsAPITimerangeRT, MetricsAPISeriesRT } from '../metrics_api';
+
+export const ProcessListAPIRequestRT = rt.type({
+  hostTerm: rt.record(rt.string, rt.string),
+  timerange: MetricsAPITimerangeRT,
+  indexPattern: rt.string,
+});
+
+export const ProcessListAPIResponseRT = rt.array(MetricsAPISeriesRT);
+
+export type ProcessListAPIRequest = rt.TypeOf<typeof ProcessListAPIRequestRT>;
+
+export type ProcessListAPIResponse = rt.TypeOf<typeof ProcessListAPIResponseRT>;

x-pack/plugins/infra/common/http_api/index.ts

@@ -11,3 +11,4 @@ export * from './metrics_explorer';
 export * from './metrics_api';
 export * from './log_alerts';
 export * from './snapshot_api';
+export * from './host_details';

x-pack/plugins/infra/public/pages/metrics/inventory_view/components/bottom_drawer.tsx

@@ -38,7 +38,11 @@ export const BottomDrawer: React.FC<{
     <BottomActionContainer ref={isOpen ? measureRef : null} isOpen={isOpen}>
       <BottomActionTopBar ref={isOpen ? null : measureRef}>
         <EuiFlexItem grow={false}>
-          <ShowHideButton iconType={isOpen ? 'arrowDown' : 'arrowRight'} onClick={onClick}>
+          <ShowHideButton
+            aria-expanded={isOpen}
+            iconType={isOpen ? 'arrowDown' : 'arrowRight'}
+            onClick={onClick}
+          >
             {isOpen ? hideHistory : showHistory}
           </ShowHideButton>
         </EuiFlexItem>

x-pack/plugins/infra/public/pages/metrics/inventory_view/components/node_details/overlay.tsx

@@ -4,11 +4,9 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import { EuiTabbedContent } from '@elastic/eui';
+import { EuiPortal, EuiTabs, EuiTab, EuiPanel, EuiTitle } from '@elastic/eui';
 import { FormattedMessage } from '@kbn/i18n/react';
-import { EuiPanel } from '@elastic/eui';
-import React, { CSSProperties, useMemo } from 'react';
-import { EuiText } from '@elastic/eui';
+import React, { CSSProperties, useMemo, useState } from 'react';
 import { EuiFlexGroup, EuiFlexItem, EuiButtonEmpty } from '@elastic/eui';
 import { euiStyled } from '../../../../../../../observability/public';
 import { InfraWaffleMapNode, InfraWaffleMapOptions } from '../../../../../lib/lib';
@@ -17,6 +15,7 @@ import { MetricsTab } from './tabs/metrics';
 import { LogsTab } from './tabs/logs';
 import { ProcessesTab } from './tabs/processes';
 import { PropertiesTab } from './tabs/properties';
+import { OVERLAY_Y_START, OVERLAY_BOTTOM_MARGIN, OVERLAY_HEADER_SIZE } from './tabs/shared';
 
 interface Props {
   isOpen: boolean;
@@ -48,46 +47,63 @@ export const NodeContextPopover = ({
     });
   }, [tabConfigs, node, nodeType, currentTime, options]);
 
+  const [selectedTab, setSelectedTab] = useState(0);
+
   if (!isOpen) {
     return null;
   }
 
   return (
-    <EuiPanel hasShadow={true} paddingSize={'none'} style={panelStyle}>
-      <OverlayHeader>
-        <EuiFlexGroup alignItems={'center'}>
-          <EuiFlexItem grow={true}>
-            <EuiText>
-              <h4>{node.name}</h4>
-            </EuiText>
-          </EuiFlexItem>
-          <EuiFlexItem grow={false}>
-            <EuiButtonEmpty onClick={onClose} iconType={'cross'}>
-              <FormattedMessage id="xpack.infra.infra.nodeDetails.close" defaultMessage="Close" />
-            </EuiButtonEmpty>
-          </EuiFlexItem>
-        </EuiFlexGroup>
-      </OverlayHeader>
-      <EuiTabbedContent tabs={tabs} />
-    </EuiPanel>
+    <EuiPortal>
+      <EuiPanel hasShadow={true} paddingSize={'none'} style={panelStyle}>
+        <OverlayHeader>
+          <OverlayHeaderTitleWrapper>
+            <EuiFlexItem grow={true}>
+              <EuiTitle size="s">
+                <h4>{node.name}</h4>
+              </EuiTitle>
+            </EuiFlexItem>
+            <EuiFlexItem grow={false}>
+              <EuiButtonEmpty onClick={onClose} iconType={'cross'}>
+                <FormattedMessage id="xpack.infra.infra.nodeDetails.close" defaultMessage="Close" />
+              </EuiButtonEmpty>
+            </EuiFlexItem>
+          </OverlayHeaderTitleWrapper>
+          <EuiTabs>
+            {tabs.map((tab, i) => (
+              <EuiTab key={tab.id} isSelected={i === selectedTab} onClick={() => setSelectedTab(i)}>
+                {tab.name}
+              </EuiTab>
+            ))}
+          </EuiTabs>
+        </OverlayHeader>
+        {tabs[selectedTab].content}
+      </EuiPanel>
+    </EuiPortal>
   );
 };
 
 const OverlayHeader = euiStyled.div`
   border-color: ${(props) => props.theme.eui.euiBorderColor};
   border-bottom-width: ${(props) => props.theme.eui.euiBorderWidthThick};
-  padding: ${(props) => props.theme.eui.euiSizeS};
   padding-bottom: 0;
   overflow: hidden;
+  background-color: ${(props) => props.theme.eui.euiColorLightestShade};
+  height: ${OVERLAY_HEADER_SIZE}px;
+`;
+
+const OverlayHeaderTitleWrapper = euiStyled(EuiFlexGroup).attrs({ alignItems: 'center' })`
+  padding: ${(props) => props.theme.eui.paddingSizes.s} ${(props) =>
+  props.theme.eui.paddingSizes.m} 0;
 `;
 
 const panelStyle: CSSProperties = {
   position: 'absolute',
   right: 10,
-  top: -100,
+  top: OVERLAY_Y_START,
   width: '50%',
-  maxWidth: 600,
+  maxWidth: 730,
   zIndex: 2,
-  height: '50vh',
+  height: `calc(100vh - ${OVERLAY_Y_START + OVERLAY_BOTTOM_MARGIN}px)`,
   overflow: 'hidden',
 };

x-pack/plugins/infra/public/pages/metrics/inventory_view/components/node_details/tabs/processes/index.tsx

@@ -0,0 +1,102 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import React, { useMemo, useState } from 'react';
+import { i18n } from '@kbn/i18n';
+import { EuiSearchBar, EuiSpacer, EuiEmptyPrompt, EuiButton, Query } from '@elastic/eui';
+import { useProcessList } from '../../../../hooks/use_process_list';
+import { TabContent, TabProps } from '../shared';
+import { STATE_NAMES } from './states';
+import { SummaryTable } from './summary_table';
+import { ProcessesTable } from './processes_table';
+
+const TabComponent = ({ currentTime, node, nodeType, options }: TabProps) => {
+  const [searchFilter, setSearchFilter] = useState<Query>(EuiSearchBar.Query.MATCH_ALL);
+
+  const hostTerm = useMemo(() => {
+    const field =
+      options.fields && Reflect.has(options.fields, nodeType)
+        ? Reflect.get(options.fields, nodeType)
+        : nodeType;
+    return { [field]: node.name };
+  }, [options, node, nodeType]);
+
+  const { loading, error, response, makeRequest: reload } = useProcessList(
+    hostTerm,
+    'metricbeat-*',
+    options.fields!.timestamp,
+    currentTime
+  );
+
+  if (error) {
+    return (
+      <TabContent>
+        <EuiEmptyPrompt
+          iconType="tableDensityNormal"
+          title={
+            <h4>
+              {i18n.translate('xpack.infra.metrics.nodeDetails.processListError', {
+                defaultMessage: 'Unable to show process data',
+              })}
+            </h4>
+          }
+          actions={
+            <EuiButton color="primary" fill onClick={reload}>
+              {i18n.translate('xpack.infra.metrics.nodeDetails.processListRetry', {
+                defaultMessage: 'Try again',
+              })}
+            </EuiButton>
+          }
+        />
+      </TabContent>
+    );
+  }
+
+  return (
+    <TabContent>
+      <SummaryTable isLoading={loading} processList={response ?? []} />
+      <EuiSpacer size="m" />
+      <EuiSearchBar
+        query={searchFilter}
+        onChange={({ query }) => setSearchFilter(query ?? EuiSearchBar.Query.MATCH_ALL)}
+        box={{
+          incremental: true,
+          placeholder: i18n.translate('xpack.infra.metrics.nodeDetails.searchForProcesses', {
+            defaultMessage: 'Search for processes…',
+          }),
+        }}
+        filters={[
+          {
+            type: 'field_value_selection',
+            field: 'state',
+            name: 'State',
+            operator: 'exact',
+            multiSelect: false,
+            options: Object.entries(STATE_NAMES).map(([value, view]: [string, string]) => ({
+              value,
+              view,
+            })),
+          },
+        ]}
+      />
+      <EuiSpacer size="m" />
+      <ProcessesTable
+        currentTime={currentTime}
+        isLoading={loading || !response}
+        processList={response ?? []}
+        searchFilter={searchFilter}
+      />
+    </TabContent>
+  );
+};
+
+export const ProcessesTab = {
+  id: 'processes',
+  name: i18n.translate('xpack.infra.metrics.nodeDetails.tabs.processes', {
+    defaultMessage: 'Processes',
+  }),
+  content: TabComponent,
+};

x-pack/plugins/infra/public/pages/metrics/inventory_view/components/node_details/tabs/processes/parse_process_list.ts

@@ -0,0 +1,55 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import { ProcessListAPIResponse } from '../../../../../../../../common/http_api';
+import { Process } from './types';
+
+export const parseProcessList = (processList: ProcessListAPIResponse) =>
+  processList.map((process) => {
+    const command = process.id;
+    let mostRecentPoint;
+    for (let i = process.rows.length - 1; i >= 0; i--) {
+      const point = process.rows[i];
+      if (point && Array.isArray(point.meta) && point.meta?.length) {
+        mostRecentPoint = point;
+        break;
+      }
+    }
+    if (!mostRecentPoint) return { command, cpu: null, memory: null, startTime: null, state: null };
+
+    const { cpu, memory } = mostRecentPoint;
+    const { system, process: processMeta, user } = (mostRecentPoint.meta as any[])[0];
+    const startTime = system.process.cpu.start_time;
+    const state = system.process.state;
+
+    const timeseries = {
+      cpu: pickTimeseries(process.rows, 'cpu'),
+      memory: pickTimeseries(process.rows, 'memory'),
+    };
+
+    return {
+      command,
+      cpu,
+      memory,
+      startTime,
+      state,
+      pid: processMeta.pid,
+      user: user.name,
+      timeseries,
+    } as Process;
+  });
+
+const pickTimeseries = (rows: any[], metricID: string) => ({
+  rows: rows.map((row) => ({
+    timestamp: row.timestamp,
+    metric_0: row[metricID],
+  })),
+  columns: [
+    { name: 'timestamp', type: 'date' },
+    { name: 'metric_0', type: 'number' },
+  ],
+  id: metricID,
+});