[SecuritySolution] Create integration link added to Security onboarding page (#187201)

## Summary

Link panel to go to create integrations added. It is a compressed
version of the link card displayed on the integrations page. The
integration creation feature is not enabled by default, to enable the
feature:
```
xpack.integration_assistant.enabled: true
```


![link](2532819e-da6e-4d2f-ab07-45042d6a069f)

When the integrationAssistant plugin is not enabled (default) the link
does not appear.


![no_link](82cc67b1-ce16-4fd8-ad59-f8a4d4cd31fb)

---------

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

x-pack/plugins/fleet/public/applications/integrations/layouts/default.tsx

@@ -81,7 +81,7 @@ export const DefaultLayout: React.FC<Props> = memo(
         rightColumn={
           CreateIntegrationCardButton ? (
             <EuiFlexItem grow={false}>
-              <CreateIntegrationCardButton href={getHref('integration_create')} />
+              <CreateIntegrationCardButton />
             </EuiFlexItem>
           ) : undefined
         }

x-pack/plugins/integration_assistant/public/components/create_integration_card_button/create_integration_card_button.tsx

@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-import React from 'react';
+import React, { useCallback, useMemo } from 'react';
 import {
   EuiLink,
   EuiPanel,
@@ -15,41 +15,53 @@ import {
   EuiIcon,
   EuiText,
   EuiTitle,
-  useEuiTheme,
+  useEuiPaddingCSS,
 } from '@elastic/eui';
 import { FormattedMessage } from '@kbn/i18n-react';
 import { css } from '@emotion/react';
 import integrationsImage from '../../common/images/integrations_light.svg';
+import { useKibana } from '../../common/hooks/use_kibana';
 
-const useStyles = () => {
-  const { euiTheme } = useEuiTheme();
+const useStyles = (compressed: boolean) => {
+  const paddings = useEuiPaddingCSS();
   return {
     image: css`
-      width: 160px;
-      height: 155px;
+      width: ${compressed ? '140px' : '160px'};
+      height: ${compressed ? '90px' : '155px'};
       object-fit: cover;
       object-position: left center;
     `,
     container: css`
-      height: 135px;
+      height: ${compressed ? '80px' : '135px'};
     `,
     textContainer: css`
       height: 100%;
-      padding: ${euiTheme.size.l} 0 ${euiTheme.size.l} ${euiTheme.size.l};
+      ${compressed ? `${paddings.m.styles}` : `${paddings.l.styles} padding-right: 0;`}
     `,
   };
 };
 
 export interface CreateIntegrationCardButtonProps {
-  href: string;
+  compressed?: boolean;
 }
 export const CreateIntegrationCardButton = React.memo<CreateIntegrationCardButtonProps>(
-  ({ href }) => {
-    const styles = useStyles();
+  ({ compressed = false }) => {
+    const { getUrlForApp, navigateToUrl } = useKibana().services.application;
+    const styles = useStyles(compressed);
+
+    const href = useMemo(() => getUrlForApp('integrations', { path: '/create' }), [getUrlForApp]);
+    const navigate = useCallback(
+      (ev) => {
+        ev.preventDefault();
+        navigateToUrl(href);
+      },
+      [href, navigateToUrl]
+    );
+
     return (
       <EuiPanel hasShadow={false} hasBorder paddingSize="none">
         <EuiFlexGroup
-          justifyContent="flexEnd"
+          justifyContent="spaceBetween"
           gutterSize="none"
           css={styles.container}
           responsive={false}
@@ -70,18 +82,26 @@ export const CreateIntegrationCardButton = React.memo<CreateIntegrationCardButto
                     />
                   </h2>
                 </EuiTitle>
-                <EuiText size="s">
-                  <FormattedMessage
-                    id="xpack.integrationAssistant.createIntegrationDescription"
-                    defaultMessage="Create a custom one to fit your requirements"
-                  />
-                </EuiText>
+                {!compressed && (
+                  <EuiText size="s">
+                    <FormattedMessage
+                      id="xpack.integrationAssistant.createIntegrationDescription"
+                      defaultMessage="Create a custom one to fit your requirements"
+                    />
+                  </EuiText>
+                )}
               </EuiFlexItem>
               <EuiFlexItem grow={false}>
-                <EuiLink color="primary" href={href}>
-                  <EuiFlexGroup justifyContent="center" gutterSize="s" responsive={false}>
+                {/* eslint-disable-next-line @elastic/eui/href-or-on-click */}
+                <EuiLink color="primary" href={href} onClick={navigate}>
+                  <EuiFlexGroup
+                    justifyContent="center"
+                    alignItems="center"
+                    gutterSize={compressed ? 'xs' : 's'}
+                    responsive={false}
+                  >
                     <EuiFlexItem grow={false}>
-                      <EuiIcon type="plusInCircle" />
+                      <EuiIcon type="plusInCircle" size={compressed ? 's' : 'm'} />
                     </EuiFlexItem>
                     <EuiFlexItem>
                       <FormattedMessage

x-pack/plugins/security_solution/kibana.jsonc

@@ -70,7 +70,8 @@
       "dataViewFieldEditor",
       "osquery",
       "savedObjectsTaggingOss",
-      "guidedOnboarding"
+      "guidedOnboarding",
+      "integrationAssistant"
     ],
     "requiredBundles": [
       "esUiShared",

x-pack/plugins/security_solution/public/common/components/landing_page/onboarding/step_links/add_integration_buttons.tsx

@@ -10,6 +10,7 @@ import { i18n } from '@kbn/i18n';
 import { LinkButton } from '@kbn/security-solution-navigation/links';
 import type { IconType } from '@elastic/eui';
 import { EuiFlexGroup, EuiFlexItem, EuiIcon, EuiPanel, EuiText, EuiTitle } from '@elastic/eui';
+import { useKibana } from '../../../../lib/kibana/kibana_react';
 import { AddIntegrationsSteps } from '../types';
 import { useStepContext } from '../context/step_context';
 import { IntegrationsPageName } from './types';
@@ -153,32 +154,41 @@ const AddIntegrationPanel: React.FC<{
 });
 AddIntegrationPanel.displayName = 'AddIntegrationPanel';
 
-export const AddIntegrationButtons: React.FC = React.memo(() => (
-  <EuiFlexGroup direction="column" className="step-paragraph" gutterSize="m">
-    <EuiFlexItem grow={false}>
-      <AddIntegrationPanel
-        title={ADD_CLOUD_INTEGRATIONS_TITLE}
-        description={ADD_CLOUD_INTEGRATIONS_DESCRIPTION}
-        icon={CloudIntegrationsIcon}
-        buttonId={IntegrationsPageName.integrationsSecurityCloud}
-      />
-    </EuiFlexItem>
-    <EuiFlexItem grow={false}>
-      <AddIntegrationPanel
-        title={ADD_EDR_XDR_INTEGRATIONS_TITLE}
-        description={ADD_EDR_XDR_INTEGRATIONS_DESCRIPTION}
-        icon={EdrXdrIntegrationsIcon}
-        buttonId={IntegrationsPageName.integrationsSecurityEdrXrd}
-      />
-    </EuiFlexItem>
-    <EuiFlexItem grow={false}>
-      <AddIntegrationPanel
-        title={ADD_ALL_INTEGRATIONS_TITLE}
-        description={ADD_ALL_INTEGRATIONS_DESCRIPTION}
-        icon="logoSecurity"
-        buttonId={IntegrationsPageName.integrationsSecurity}
-      />
-    </EuiFlexItem>
-  </EuiFlexGroup>
-));
+export const AddIntegrationButtons: React.FC = React.memo(() => {
+  const { integrationAssistant } = useKibana().services;
+  const CreateIntegrationCardButton = integrationAssistant?.CreateIntegrationCardButton;
+  return (
+    <EuiFlexGroup direction="column" className="step-paragraph" gutterSize="m">
+      <EuiFlexItem grow={false}>
+        <AddIntegrationPanel
+          title={ADD_CLOUD_INTEGRATIONS_TITLE}
+          description={ADD_CLOUD_INTEGRATIONS_DESCRIPTION}
+          icon={CloudIntegrationsIcon}
+          buttonId={IntegrationsPageName.integrationsSecurityCloud}
+        />
+      </EuiFlexItem>
+      <EuiFlexItem grow={false}>
+        <AddIntegrationPanel
+          title={ADD_EDR_XDR_INTEGRATIONS_TITLE}
+          description={ADD_EDR_XDR_INTEGRATIONS_DESCRIPTION}
+          icon={EdrXdrIntegrationsIcon}
+          buttonId={IntegrationsPageName.integrationsSecurityEdrXrd}
+        />
+      </EuiFlexItem>
+      <EuiFlexItem grow={false}>
+        <AddIntegrationPanel
+          title={ADD_ALL_INTEGRATIONS_TITLE}
+          description={ADD_ALL_INTEGRATIONS_DESCRIPTION}
+          icon="logoSecurity"
+          buttonId={IntegrationsPageName.integrationsSecurity}
+        />
+      </EuiFlexItem>
+      {CreateIntegrationCardButton && (
+        <EuiFlexItem grow={false}>
+          <CreateIntegrationCardButton compressed />
+        </EuiFlexItem>
+      )}
+    </EuiFlexGroup>
+  );
+});
 AddIntegrationButtons.displayName = 'AddIntegrationButtons';

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

@@ -60,6 +60,7 @@ import type { ChartsPluginStart } from '@kbn/charts-plugin/public';
 import type { SavedSearchPublicPluginStart } from '@kbn/saved-search-plugin/public';
 import type { PluginStartContract } from '@kbn/alerting-plugin/public/plugin';
 import type { MapsStartApi } from '@kbn/maps-plugin/public';
+import type { IntegrationAssistantPluginStart } from '@kbn/integration-assistant-plugin/public';
 import type { ResolverPluginSetup } from './resolver/types';
 import type { Inspect } from '../common/search_strategy';
 import type { Detections } from './detections';
@@ -152,6 +153,7 @@ export interface StartPlugins {
   savedSearch: SavedSearchPublicPluginStart;
   alerting: PluginStartContract;
   core: CoreStart;
+  integrationAssistant?: IntegrationAssistantPluginStart;
 }
 
 export interface StartPluginsDependencies extends StartPlugins {

x-pack/plugins/security_solution/tsconfig.json

@@ -209,5 +209,6 @@
     "@kbn/core-analytics-browser",
     "@kbn/core-i18n-browser",
     "@kbn/core-theme-browser",
+    "@kbn/integration-assistant-plugin",
   ]
 }