[Serverless Search] Remove unwanted alterting rule and connector types (#162105)

## Summary

This moves alerting in Serverless Search to the Stack Management
alerting page, and removes

To remove these rule types, I had to disable the observability,
securitySolution, uptime, monitoring and infra plugins and make sure
that their server plugins (not just the frontend plugins) respected the
`enabled: false` flag.

config/serverless.es.yml

@@ -2,8 +2,15 @@
 
 ## Disable APM and Uptime, enable Enterprise Search
 xpack.apm.enabled: false
+
+xpack.cloudSecurityPosture.enabled: false
+xpack.infra.enabled: false
+xpack.observability.enabled: false
+xpack.securitySolution.enabled: false
+xpack.serverless.observability.enabled: false
 xpack.uptime.enabled: false
 enterpriseSearch.enabled: false
+monitoring.ui.enabled: false
 
 ## Enable the Serverless Search plugin
 xpack.serverless.search.enabled: true
@@ -16,3 +23,6 @@ xpack.serverless.plugin.developer.projectSwitcher.currentType: 'search'
 
 # Specify in telemetry the project type
 telemetry.labels.serverless: search
+
+# Alerts config
+xpack.actions.enabledActionTypes: ['.email', '.index', '.slack', '.jira', '.webhook', '.teams']

x-pack/plugins/infra/common/plugin_config_types.ts

@@ -14,6 +14,7 @@ export interface InfraConfig {
       group_by_page_size: number;
     };
   };
+  enabled: boolean;
   inventory: {
     compositeSize: number;
   };

x-pack/plugins/infra/server/lib/alerting/metric_threshold/metric_threshold_executor.test.ts

@@ -1901,6 +1901,7 @@ const createMockStaticConfiguration = (sources: any): InfraConfig => ({
   logs: {
     app_target: 'logs-ui',
   },
+  enabled: true,
   sources,
 });
 

x-pack/plugins/infra/server/lib/sources/sources.test.ts

@@ -125,6 +125,7 @@ const createMockStaticConfiguration = (sources: any): InfraConfig => ({
     app_target: 'logs-ui',
   },
   sources,
+  enabled: true,
 });
 
 const createRequestContext = (savedObject?: SavedObject<unknown>) => {

x-pack/plugins/infra/server/plugin.ts

@@ -60,6 +60,7 @@ import { mapSourceToLogView } from './utils/map_source_to_log_view';
 
 export const config: PluginConfigDescriptor<InfraConfig> = {
   schema: schema.object({
+    enabled: schema.boolean({ defaultValue: true }),
     // Setting variants only allowed in the Serverless offering, otherwise always default `logs-ui` value
     logs: schema.conditional(
       schema.contextRef('serverless'),

x-pack/plugins/serverless_search/kibana.jsonc

@@ -17,7 +17,6 @@
       "grokdebugger",
       "management",
       "ml",
-      "observabilityShared",
       "painlessLab",
       "searchprofiler",
       "security",

x-pack/plugins/serverless_search/public/layout/nav.tsx

@@ -67,7 +67,12 @@ const navigationTree: NavigationTreeDefinition = {
                 );
               },
             },
-            { link: 'observability-overview:alerts' },
+            {
+              link: 'management:triggersActions',
+              title: i18n.translate('xpack.serverlessSearch.nav.alerts', {
+                defaultMessage: 'Alerts',
+              }),
+            },
           ],
         },
         {

x-pack/plugins/serverless_search/public/plugin.ts

@@ -69,11 +69,10 @@ export class ServerlessSearchPlugin
 
   public start(
     core: CoreStart,
-    { serverless, management, observabilityShared, cloud }: ServerlessSearchPluginStartDependencies
+    { serverless, management, cloud }: ServerlessSearchPluginStartDependencies
   ): ServerlessSearchPluginStart {
     serverless.setProjectHome('/app/elasticsearch');
     serverless.setSideNavComponent(createComponent(core, { serverless, cloud }));
-    observabilityShared.setIsSidebarEnabled(false);
     management.setupCardsNavigation({
       enabled: true,
       hideLinksTo: [appIds.MAINTENANCE_WINDOWS],

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

@@ -10,7 +10,6 @@ import { ManagementSetup, ManagementStart } from '@kbn/management-plugin/public'
 import { SecurityPluginStart } from '@kbn/security-plugin/public';
 import { ServerlessPluginSetup, ServerlessPluginStart } from '@kbn/serverless/public';
 import { SharePluginStart } from '@kbn/share-plugin/public';
-import { ObservabilitySharedPluginStart } from '@kbn/observability-shared-plugin/public';
 
 // eslint-disable-next-line @typescript-eslint/no-empty-interface
 export interface ServerlessSearchPluginSetup {}
@@ -27,7 +26,6 @@ export interface ServerlessSearchPluginSetupDependencies {
 export interface ServerlessSearchPluginStartDependencies {
   cloud: CloudStart;
   management: ManagementStart;
-  observabilityShared: ObservabilitySharedPluginStart;
   security: SecurityPluginStart;
   serverless: ServerlessPluginStart;
   share: SharePluginStart;

x-pack/plugins/serverless_search/tsconfig.json

@@ -30,6 +30,5 @@
     "@kbn/ml-plugin",
     "@kbn/management-cards-navigation",
     "@kbn/core-elasticsearch-server",
-    "@kbn/observability-shared-plugin",
   ]
 }