[APM] Add Experimental Mode for APM UI (#139553)

* experimental tab

* moving apm specific settings

* reverting and addin LazyField

* one setting to rule them all

* renaming tab

* new setting option and flyout

* flyout footer

* refactoring

* creating hook

* removing utils

* saving on kbn adv settings

* saved object

* refactoring

* extracting apm experimental features

* auto subs

* removing auto-subscribe feature

* fixing ci

* removing common settings

* new api to fetch labs items

* renaming

* renaming labs settings

* fixing ci

* handling exception

* [CI] Auto-commit changed files from 'node scripts/eslint --no-cache --fix'

* fixing ci

* addressing pr comments

Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>

src/plugins/advanced_settings/public/index.ts

@@ -20,6 +20,10 @@ export { ComponentRegistry } from './component_registry';
 const LazyField = React.lazy(() => import('./management_app/components/field'));
 export { LazyField };
 
+export { toEditableConfig } from './management_app/lib/to_editable_config';
+
 export function plugin(initializerContext: PluginInitializerContext) {
   return new AdvancedSettingsPlugin();
 }
+
+export type { FieldState } from './management_app/types';

src/plugins/kibana_usage_collection/server/collectors/management/schema.ts

@@ -518,6 +518,10 @@ export const stackManagementSchema: MakeSchemaFrom<UsageStats> = {
     type: 'boolean',
     _meta: { description: 'Non-default value of setting.' },
   },
+  'observability:apmLabsButton': {
+    type: 'boolean',
+    _meta: { description: 'Non-default value of setting.' },
+  },
   'observability:apmProgressiveLoading': {
     type: 'keyword',
     _meta: { description: 'Non-default value of setting.' },

src/plugins/kibana_usage_collection/server/collectors/management/types.ts

@@ -139,6 +139,7 @@ export interface UsageStats {
   'lens:useFieldExistenceSampling': boolean;
   'metrics:allowCheckingForFailedShards': boolean;
   'observability:apmOperationsTab': boolean;
+  'observability:apmLabsButton': boolean;
   'observability:apmProgressiveLoading': string;
   'observability:apmServiceGroupMaxNumberOfServices': number;
   'observability:apmServiceInventoryOptimizedSorting': boolean;

src/plugins/telemetry/schema/oss_plugins.json

@@ -8622,6 +8622,12 @@
             "description": "Non-default value of setting."
           }
         },
+        "observability:apmLabsButton": {
+          "type": "boolean",
+          "_meta": {
+            "description": "Non-default value of setting."
+          }
+        },
         "observability:apmProgressiveLoading": {
           "type": "keyword",
           "_meta": {
@@ -10257,4 +10263,4 @@
       }
     }
   }
-}
+}

x-pack/plugins/apm/kibana.json

@@ -19,7 +19,8 @@
     "triggersActionsUi",
     "share",
     "unifiedSearch",
-    "dataViews"
+    "dataViews",
+    "advancedSettings"
   ],
   "optionalPlugins": [
     "actions",
@@ -48,4 +49,4 @@
     "observability",
     "esUiShared"
   ]
-}
+}

x-pack/plugins/apm/public/components/app/settings/general_settings/index.tsx

@@ -0,0 +1,91 @@
+/*
+ * 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 { EuiButton } from '@elastic/eui';
+import { LazyField } from '@kbn/advanced-settings-plugin/public';
+import { i18n } from '@kbn/i18n';
+import {
+  apmLabsButton,
+  apmProgressiveLoading,
+  apmServiceGroupMaxNumberOfServices,
+  defaultApmServiceEnvironment,
+  enableComparisonByDefault,
+  enableInspectEsQueries,
+} from '@kbn/observability-plugin/common';
+import { isEmpty } from 'lodash';
+import React from 'react';
+import { useApmPluginContext } from '../../../../context/apm_plugin/use_apm_plugin_context';
+import { useApmEditableSettings } from '../../../../hooks/use_apm_editable_settings';
+
+const apmSettingsKeys = [
+  enableComparisonByDefault,
+  defaultApmServiceEnvironment,
+  apmProgressiveLoading,
+  apmServiceGroupMaxNumberOfServices,
+  enableInspectEsQueries,
+  apmLabsButton,
+];
+
+export function GeneralSettings() {
+  const { docLinks, notifications } = useApmPluginContext().core;
+  const {
+    handleFieldChange,
+    settingsEditableConfig,
+    unsavedChanges,
+    saveAll,
+    isSaving,
+  } = useApmEditableSettings(apmSettingsKeys);
+
+  async function handleSave() {
+    try {
+      const reloadPage = Object.keys(unsavedChanges).some((key) => {
+        return settingsEditableConfig[key].requiresPageReload;
+      });
+      await saveAll();
+      if (reloadPage) {
+        window.location.reload();
+      }
+    } catch (e) {
+      const error = e as Error;
+      notifications.toasts.addDanger({
+        title: i18n.translate('xpack.apm.apmSettings.save.error', {
+          defaultMessage: 'An error occurred while saving the settings',
+        }),
+        text: error.message,
+      });
+    }
+  }
+
+  return (
+    <>
+      {apmSettingsKeys.map((settingKey) => {
+        const editableConfig = settingsEditableConfig[settingKey];
+        return (
+          <LazyField
+            key={settingKey}
+            setting={editableConfig}
+            handleChange={handleFieldChange}
+            enableSaving
+            docLinks={docLinks.links}
+            toasts={notifications.toasts}
+            unsavedChanges={unsavedChanges[settingKey]}
+          />
+        );
+      })}
+      <EuiButton
+        fill
+        isLoading={isSaving}
+        disabled={isEmpty(unsavedChanges)}
+        onClick={handleSave}
+      >
+        {i18n.translate('xpack.apm.labs.reload', {
+          defaultMessage: 'Reload to apply changes',
+        })}
+      </EuiButton>
+    </>
+  );
+}

x-pack/plugins/apm/public/components/routing/settings/index.tsx

@@ -20,6 +20,7 @@ import { CustomLinkOverview } from '../../app/settings/custom_link';
 import { Schema } from '../../app/settings/schema';
 import { AnomalyDetection } from '../../app/settings/anomaly_detection';
 import { AgentKeys } from '../../app/settings/agent_keys';
+import { GeneralSettings } from '../../app/settings/general_settings';
 
 function page({
   title,
@@ -54,6 +55,14 @@ export const settings = {
       </Breadcrumb>
     ),
     children: {
+      '/settings/general-settings': page({
+        title: i18n.translate(
+          'xpack.apm.views.settings.generalSettings.title',
+          { defaultMessage: 'General settings' }
+        ),
+        element: <GeneralSettings />,
+        tab: 'general-settings',
+      }),
       '/settings/agent-configuration': page({
         tab: 'agent-configuration',
         title: i18n.translate(
@@ -133,7 +142,7 @@ export const settings = {
         tab: 'agent-keys',
       }),
       '/settings': {
-        element: <Redirect to="/settings/agent-configuration" />,
+        element: <Redirect to="/settings/general-settings" />,
       },
     },
   },

x-pack/plugins/apm/public/components/routing/templates/settings_template.tsx

@@ -8,12 +8,11 @@
 import { EuiPageHeaderProps } from '@elastic/eui';
 import { i18n } from '@kbn/i18n';
 import React from 'react';
-import { History } from 'history';
-import { useHistory } from 'react-router-dom';
 import { CoreStart } from '@kbn/core/public';
 import { ApmMainTemplate } from './apm_main_template';
 import { useApmPluginContext } from '../../../context/apm_plugin/use_apm_plugin_context';
-import { getLegacyApmHref } from '../../shared/links/apm/apm_link';
+import { useApmRouter } from '../../../hooks/use_apm_router';
+import { ApmRouter } from '../apm_route_config';
 
 type Tab = NonNullable<EuiPageHeaderProps['tabs']>[0] & {
   key:
@@ -22,7 +21,8 @@ type Tab = NonNullable<EuiPageHeaderProps['tabs']>[0] & {
     | 'anomaly-detection'
     | 'apm-indices'
     | 'custom-links'
-    | 'schema';
+    | 'schema'
+    | 'general-settings';
   hidden?: boolean;
 };
 
@@ -33,8 +33,8 @@ interface Props {
 
 export function SettingsTemplate({ children, selectedTab }: Props) {
   const { core } = useApmPluginContext();
-  const history = useHistory();
+  const router = useApmRouter();
-  const tabs = getTabs({ history, core, selectedTab });
+  const tabs = getTabs({ core, selectedTab, router });
 
   return (
     <ApmMainTemplate
@@ -52,51 +52,44 @@ export function SettingsTemplate({ children, selectedTab }: Props) {
 }
 
 function getTabs({
-  history,
   core,
   selectedTab,
+  router,
 }: {
-  history: History;
   core: CoreStart;
   selectedTab: Tab['key'];
+  router: ApmRouter;
 }) {
-  const { basePath } = core.http;
   const canAccessML = !!core.application.capabilities.ml?.canAccessML;
-  const { search } = history.location;
 
   const tabs: Tab[] = [
+    {
+      key: 'general-settings',
+      label: i18n.translate('xpack.apm.settings.generalSettings', {
+        defaultMessage: 'General settings',
+      }),
+      href: router.link('/settings/general-settings'),
+    },
     {
       key: 'agent-configuration',
       label: i18n.translate('xpack.apm.settings.agentConfig', {
         defaultMessage: 'Agent Configuration',
       }),
-      href: getLegacyApmHref({
+      href: router.link('/settings/agent-configuration'),
-        basePath,
-        path: `/settings/agent-configuration`,
-        search,
-      }),
     },
     {
       key: 'agent-keys',
       label: i18n.translate('xpack.apm.settings.agentKeys', {
         defaultMessage: 'Agent Keys',
       }),
-      href: getLegacyApmHref({
+      href: router.link('/settings/agent-keys'),
-        basePath,
-        path: `/settings/agent-keys`,
-        search,
-      }),
     },
     {
       key: 'anomaly-detection',
       label: i18n.translate('xpack.apm.settings.anomalyDetection', {
         defaultMessage: 'Anomaly detection',
       }),
-      href: getLegacyApmHref({
+      href: router.link('/settings/anomaly-detection'),
-        basePath,
-        path: `/settings/anomaly-detection`,
-        search,
-      }),
       hidden: !canAccessML,
     },
     {
@@ -104,29 +97,21 @@ function getTabs({
       label: i18n.translate('xpack.apm.settings.customizeApp', {
         defaultMessage: 'Custom Links',
       }),
-      href: getLegacyApmHref({
+      href: router.link('/settings/custom-links'),
-        basePath,
-        path: `/settings/custom-links`,
-        search,
-      }),
     },
     {
       key: 'apm-indices',
       label: i18n.translate('xpack.apm.settings.indices', {
         defaultMessage: 'Indices',
       }),
-      href: getLegacyApmHref({
+      href: router.link('/settings/apm-indices'),
-        basePath,
-        path: `/settings/apm-indices`,
-        search,
-      }),
     },
     {
       key: 'schema',
       label: i18n.translate('xpack.apm.settings.schema', {
         defaultMessage: 'Schema',
       }),
-      href: getLegacyApmHref({ basePath, path: `/settings/schema`, search }),
+      href: router.link('/settings/schema'),
     },
   ];
 

x-pack/plugins/apm/public/components/shared/apm_header_action_menu/index.tsx

@@ -6,6 +6,7 @@
  */
 
 import { EuiHeaderLink, EuiHeaderLinks } from '@elastic/eui';
+import { apmLabsButton } from '@kbn/observability-plugin/common';
 import { i18n } from '@kbn/i18n';
 import React from 'react';
 import { getAlertingCapabilities } from '../../alerting/get_alerting_capabilities';
@@ -15,6 +16,7 @@ import { AlertingPopoverAndFlyout } from './alerting_popover_flyout';
 import { AnomalyDetectionSetupLink } from './anomaly_detection_setup_link';
 import { useServiceName } from '../../../hooks/use_service_name';
 import { InspectorHeaderLink } from './inspector_header_link';
+import { Labs } from './labs';
 
 export function ApmHeaderActionMenu() {
   const { core, plugins } = useApmPluginContext();
@@ -40,8 +42,14 @@ export function ApmHeaderActionMenu() {
     return basePath.prepend(path);
   }
 
+  const isLabsButtonEnabled = core.uiSettings.get<boolean>(
+    apmLabsButton,
+    false
+  );
+
   return (
     <EuiHeaderLinks gutterSize="xs">
+      {isLabsButtonEnabled && <Labs />}
       <EuiHeaderLink
         color="text"
         href={apmHref('/storage-explorer')}

x-pack/plugins/apm/public/components/shared/apm_header_action_menu/labs/index.tsx

@@ -0,0 +1,28 @@
+/*
+ * 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 { EuiButtonEmpty } from '@elastic/eui';
+import { i18n } from '@kbn/i18n';
+import React, { useState } from 'react';
+import { LabsFlyout } from './labs_flyout';
+
+export function Labs() {
+  const [isOpen, setIsOpen] = useState(false);
+
+  function toggleFlyoutVisibility() {
+    setIsOpen((state) => !state);
+  }
+
+  return (
+    <>
+      <EuiButtonEmpty color="text" onClick={toggleFlyoutVisibility}>
+        {i18n.translate('xpack.apm.labs', { defaultMessage: 'Labs' })}
+      </EuiButtonEmpty>
+      {isOpen && <LabsFlyout onClose={toggleFlyoutVisibility} />}
+    </>
+  );
+}

x-pack/plugins/apm/public/components/shared/apm_header_action_menu/labs/labs_flyout.tsx

@@ -0,0 +1,147 @@
+/*
+ * 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 {
+  EuiButton,
+  EuiButtonEmpty,
+  EuiFlexGroup,
+  EuiFlexItem,
+  EuiFlyout,
+  EuiFlyoutBody,
+  EuiFlyoutFooter,
+  EuiFlyoutHeader,
+  EuiHorizontalRule,
+  EuiIcon,
+  EuiLoadingContent,
+  EuiTitle,
+} from '@elastic/eui';
+import { LazyField } from '@kbn/advanced-settings-plugin/public';
+import { i18n } from '@kbn/i18n';
+import React from 'react';
+import { useApmPluginContext } from '../../../../context/apm_plugin/use_apm_plugin_context';
+import { useApmEditableSettings } from '../../../../hooks/use_apm_editable_settings';
+import { useFetcher, FETCH_STATUS } from '../../../../hooks/use_fetcher';
+
+interface Props {
+  onClose: () => void;
+}
+
+export function LabsFlyout({ onClose }: Props) {
+  const { docLinks, notifications } = useApmPluginContext().core;
+
+  const { data, status } = useFetcher(
+    (callApmApi) => callApmApi('GET /internal/apm/settings/labs'),
+    []
+  );
+  const labsItems = data?.labsItems || [];
+
+  const {
+    handleFieldChange,
+    settingsEditableConfig,
+    unsavedChanges,
+    saveAll,
+    isSaving,
+    cleanUnsavedChanges,
+  } = useApmEditableSettings(labsItems);
+
+  async function handleSave() {
+    try {
+      const reloadPage = Object.keys(unsavedChanges).some((key) => {
+        return settingsEditableConfig[key].requiresPageReload;
+      });
+
+      await saveAll();
+
+      if (reloadPage) {
+        window.location.reload();
+      } else {
+        onClose();
+      }
+    } catch (e) {
+      const error = e as Error;
+      notifications.toasts.addDanger({
+        title: i18n.translate('xpack.apm.apmSettings.save.error', {
+          defaultMessage: 'An error occurred while saving the settings',
+        }),
+        text: error.message,
+      });
+    }
+  }
+
+  function handelCancel() {
+    cleanUnsavedChanges();
+    onClose();
+  }
+
+  const isLoading =
+    status === FETCH_STATUS.NOT_INITIATED || status === FETCH_STATUS.LOADING;
+
+  return (
+    <EuiFlyout onClose={onClose}>
+      <EuiFlyoutHeader hasBorder>
+        <EuiFlexGroup gutterSize="m">
+          <EuiFlexItem grow={false}>
+            <EuiIcon type="beaker" size="xl" />
+          </EuiFlexItem>
+          <EuiFlexItem grow={false}>
+            <EuiTitle>
+              <h2>
+                {i18n.translate('xpack.apm.labs', {
+                  defaultMessage: 'Labs',
+                })}
+              </h2>
+            </EuiTitle>
+          </EuiFlexItem>
+        </EuiFlexGroup>
+      </EuiFlyoutHeader>
+
+      {isLoading ? (
+        <EuiLoadingContent lines={3} />
+      ) : (
+        <>
+          <EuiFlyoutBody>
+            {labsItems.map((settingKey, i) => {
+              const editableConfig = settingsEditableConfig[settingKey];
+              return (
+                <>
+                  <LazyField
+                    key={settingKey}
+                    setting={editableConfig}
+                    handleChange={handleFieldChange}
+                    enableSaving
+                    docLinks={docLinks.links}
+                    toasts={notifications.toasts}
+                    unsavedChanges={unsavedChanges[settingKey]}
+                  />
+                  <EuiHorizontalRule />
+                </>
+              );
+            })}
+          </EuiFlyoutBody>
+          <EuiFlyoutFooter>
+            <EuiFlexGroup justifyContent="spaceBetween">
+              <EuiFlexItem grow={false}>
+                <EuiButtonEmpty onClick={handelCancel}>
+                  {i18n.translate('xpack.apm.labs.cancel', {
+                    defaultMessage: 'Cancel',
+                  })}
+                </EuiButtonEmpty>
+              </EuiFlexItem>
+              <EuiFlexItem grow={false}>
+                <EuiButton fill isLoading={isSaving} onClick={handleSave}>
+                  {i18n.translate('xpack.apm.labs.reload', {
+                    defaultMessage: 'Reload to apply changes',
+                  })}
+                </EuiButton>
+              </EuiFlexItem>
+            </EuiFlexGroup>
+          </EuiFlyoutFooter>
+        </>
+      )}
+    </EuiFlyout>
+  );
+}

x-pack/plugins/apm/public/hooks/use_apm_editable_settings.tsx

@@ -0,0 +1,104 @@
+/*
+ * 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 { useKibana } from '@kbn/kibana-react-plugin/public';
+import { useMemo, useState } from 'react';
+import { FieldState } from '@kbn/advanced-settings-plugin/public';
+import { toEditableConfig } from '@kbn/advanced-settings-plugin/public';
+import { IUiSettingsClient } from '@kbn/core/public';
+import { isEmpty } from 'lodash';
+
+function getEditableConfig({
+  settingsKeys,
+  uiSettings,
+}: {
+  settingsKeys: string[];
+  uiSettings?: IUiSettingsClient;
+}) {
+  if (!uiSettings) {
+    return {};
+  }
+  const uiSettingsDefinition = uiSettings.getAll();
+  const config: Record<string, ReturnType<typeof toEditableConfig>> = {};
+
+  settingsKeys.forEach((key) => {
+    const settingDef = uiSettingsDefinition?.[key];
+    if (settingDef) {
+      const editableConfig = toEditableConfig({
+        def: settingDef,
+        name: key,
+        value: settingDef.userValue,
+        isCustom: uiSettings.isCustom(key),
+        isOverridden: uiSettings.isOverridden(key),
+      });
+      config[key] = editableConfig;
+    }
+  });
+  return config;
+}
+
+export function useApmEditableSettings(settingsKeys: string[]) {
+  const { services } = useKibana();
+  const { uiSettings } = services;
+  const [isSaving, setIsSaving] = useState(false);
+  const [forceReloadSettings, setForceReloadSettings] = useState(0);
+  const [unsavedChanges, setUnsavedChanges] = useState<
+    Record<string, FieldState>
+  >({});
+
+  const settingsEditableConfig = useMemo(
+    () => {
+      return getEditableConfig({ settingsKeys, uiSettings });
+    },
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+    [uiSettings, settingsKeys, forceReloadSettings]
+  );
+
+  function handleFieldChange(key: string, fieldState: FieldState) {
+    setUnsavedChanges((state) => {
+      const newState = { ...state };
+      const { value, defVal } = settingsEditableConfig[key];
+      const currentValue = value === undefined ? defVal : value;
+      if (currentValue === fieldState.value) {
+        // Delete property from unsaved object if user changes it to the value that was already saved
+        delete newState[key];
+      } else {
+        newState[key] = fieldState;
+      }
+      return newState;
+    });
+  }
+
+  function cleanUnsavedChanges() {
+    setUnsavedChanges({});
+  }
+
+  async function saveAll() {
+    if (uiSettings && !isEmpty(unsavedChanges)) {
+      try {
+        setIsSaving(true);
+        const arr = Object.entries(unsavedChanges).map(([key, fieldState]) =>
+          uiSettings.set(key, fieldState.value)
+        );
+
+        await Promise.all(arr);
+        setForceReloadSettings((state) => ++state);
+        cleanUnsavedChanges();
+      } finally {
+        setIsSaving(false);
+      }
+    }
+  }
+
+  return {
+    settingsEditableConfig,
+    unsavedChanges,
+    handleFieldChange,
+    saveAll,
+    isSaving,
+    cleanUnsavedChanges,
+  };
+}

x-pack/plugins/apm/server/routes/apm_routes/get_global_apm_server_route_repository.ts

@@ -41,6 +41,7 @@ import { timeRangeMetadataRoute } from '../time_range_metadata/route';
 import { traceRouteRepository } from '../traces/route';
 import { transactionRouteRepository } from '../transactions/route';
 import { storageExplorerRouteRepository } from '../storage_explorer/route';
+import { labsRouteRepository } from '../settings/labs/route';
 
 function getTypedGlobalApmServerRouteRepository() {
   const repository = {
@@ -75,6 +76,7 @@ function getTypedGlobalApmServerRouteRepository() {
     ...infrastructureRouteRepository,
     ...debugTelemetryRoute,
     ...timeRangeMetadataRoute,
+    ...labsRouteRepository,
   };
 
   return repository;

x-pack/plugins/apm/server/routes/settings/labs/route.ts

@@ -0,0 +1,22 @@
+/*
+ * 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 { uiSettings } from '@kbn/observability-plugin/server';
+import { createApmServerRoute } from '../../apm_routes/create_apm_server_route';
+
+const getLabsRoute = createApmServerRoute({
+  endpoint: 'GET /internal/apm/settings/labs',
+  options: { tags: ['access:apm'] },
+  handler: async (): Promise<{ labsItems: string[] }> => {
+    const labsItems = Object.entries(uiSettings)
+      .filter(([key, value]): boolean | undefined => value.showInLabs)
+      .map(([key]): string => key);
+    return { labsItems };
+  },
+});
+
+export const labsRouteRepository = getLabsRoute;

x-pack/plugins/observability/common/index.ts

@@ -12,15 +12,18 @@ export { formatDurationFromTimeUnitChar } from './utils/formatters';
 export { ProcessorEvent } from './processor_event';
 
 export {
+  enableNewSyntheticsView,
   enableInspectEsQueries,
   maxSuggestions,
   enableComparisonByDefault,
   defaultApmServiceEnvironment,
-  apmServiceInventoryOptimizedSorting,
   apmProgressiveLoading,
+  enableServiceGroups,
+  apmServiceInventoryOptimizedSorting,
   apmServiceGroupMaxNumberOfServices,
   apmTraceExplorerTab,
   apmOperationsTab,
+  apmLabsButton,
 } from './ui_settings_keys';
 
 export {

x-pack/plugins/observability/common/ui_settings_keys.ts

@@ -18,3 +18,4 @@ export const apmServiceGroupMaxNumberOfServices =
   'observability:apmServiceGroupMaxNumberOfServices';
 export const apmTraceExplorerTab = 'observability:apmTraceExplorerTab';
 export const apmOperationsTab = 'observability:apmOperationsTab';
+export const apmLabsButton = 'observability:apmLabsButton';

x-pack/plugins/observability/server/index.ts

@@ -51,3 +51,5 @@ export const plugin = (initContext: PluginInitializerContext) =>
 
 export type { Mappings, ObservabilityPluginSetup, ScopedAnnotationsClient };
 export { createOrUpdateIndex, unwrapEsResponse, WrappedElasticsearchClientError };
+
+export { uiSettings } from './ui_settings';

x-pack/plugins/observability/server/ui_settings.ts

@@ -21,6 +21,7 @@ import {
   apmServiceGroupMaxNumberOfServices,
   apmTraceExplorerTab,
   apmOperationsTab,
+  apmLabsButton,
 } from '../common/ui_settings_keys';
 
 const technicalPreviewLabel = i18n.translate(
@@ -30,10 +31,12 @@ const technicalPreviewLabel = i18n.translate(
   }
 );
 
+type UiSettings = UiSettingsParams<boolean | number | string> & { showInLabs?: boolean };
+
 /**
  * uiSettings definitions for Observability.
  */
-export const uiSettings: Record<string, UiSettingsParams<boolean | number | string>> = {
+export const uiSettings: Record<string, UiSettings> = {
   [enableNewSyntheticsView]: {
     category: [observabilityFeatureId],
     name: i18n.translate('xpack.observability.enableNewSyntheticsViewExperimentName', {
@@ -60,6 +63,7 @@ export const uiSettings: Record<string, UiSettingsParams<boolean | number | stri
       defaultMessage: 'Inspect Elasticsearch queries in API responses.',
     }),
     schema: schema.boolean(),
+    requiresPageReload: true,
   },
   [maxSuggestions]: {
     category: [observabilityFeatureId],
@@ -160,6 +164,7 @@ export const uiSettings: Record<string, UiSettingsParams<boolean | number | stri
     }),
     schema: schema.boolean(),
     requiresPageReload: true,
+    showInLabs: true,
   },
   [apmServiceInventoryOptimizedSorting]: {
     category: [observabilityFeatureId],
@@ -178,6 +183,7 @@ export const uiSettings: Record<string, UiSettingsParams<boolean | number | stri
     value: false,
     requiresPageReload: false,
     type: 'boolean',
+    showInLabs: true,
   },
   [apmServiceGroupMaxNumberOfServices]: {
     category: [observabilityFeatureId],
@@ -204,6 +210,7 @@ export const uiSettings: Record<string, UiSettingsParams<boolean | number | stri
     value: false,
     requiresPageReload: true,
     type: 'boolean',
+    showInLabs: true,
   },
   [apmOperationsTab]: {
     category: [observabilityFeatureId],
@@ -219,5 +226,20 @@ export const uiSettings: Record<string, UiSettingsParams<boolean | number | stri
     value: false,
     requiresPageReload: true,
     type: 'boolean',
+    showInLabs: true,
+  },
+  [apmLabsButton]: {
+    category: [observabilityFeatureId],
+    name: i18n.translate('xpack.observability.apmLabs', {
+      defaultMessage: 'Enable labs button in APM',
+    }),
+    description: i18n.translate('xpack.observability.apmLabsDescription', {
+      defaultMessage:
+        'This flag determines if the viewer has access to the Labs button, a quick way to enable and disable technical preview features in APM.',
+    }),
+    schema: schema.boolean(),
+    value: false,
+    requiresPageReload: true,
+    type: 'boolean',
   },
 };