[Fleet] add support for fleet server urls (elastic#94364)

x-pack/plugins/fleet/common/types/index.ts

@@ -26,6 +26,9 @@ export interface FleetConfigType {
       host?: string;
       ca_sha256?: string;
     };
+    fleet_server?: {
+      hosts?: string[];
+    };
     agentPolicyRolloutRateLimitIntervalMs: number;
     agentPolicyRolloutRateLimitRequestPerInterval: number;
   };

x-pack/plugins/fleet/common/types/models/agent_policy.ts

@@ -66,9 +66,13 @@ export interface FullAgentPolicy {
       [key: string]: any;
     };
   };
-  fleet?: {
-    kibana: FullAgentPolicyKibanaConfig;
-  };
+  fleet?:
+    | {
+        hosts: string[];
+      }
+    | {
+        kibana: FullAgentPolicyKibanaConfig;
+      };
   inputs: FullAgentPolicyInput[];
   revision?: number;
   agent?: {

x-pack/plugins/fleet/common/types/models/settings.ts

@@ -8,9 +8,11 @@
 import type { SavedObjectAttributes } from 'src/core/public';
 
 export interface BaseSettings {
+  has_seen_add_data_notice?: boolean;
+  fleet_server_hosts: string[];
+  // TODO remove as part of https://github.com/elastic/kibana/issues/94303
   kibana_urls: string[];
   kibana_ca_sha256?: string;
-  has_seen_add_data_notice?: boolean;
 }
 
 export interface Settings extends BaseSettings {

x-pack/plugins/fleet/public/applications/fleet/components/enrollment_instructions/manual/index.tsx

@@ -13,6 +13,7 @@ import { FormattedMessage } from '@kbn/i18n/react';
 import type { EnrollmentAPIKey } from '../../../types';
 
 interface Props {
+  fleetServerHosts: string[];
   kibanaUrl: string;
   apiKey: EnrollmentAPIKey;
   kibanaCASha256?: string;
@@ -23,14 +24,32 @@ const CommandCode = styled.pre({
   overflow: 'scroll',
 });
 
+function getfleetServerHostsEnrollArgs(apiKey: EnrollmentAPIKey, fleetServerHosts: string[]) {
+  return `--url=${fleetServerHosts[0]} --enrollment-token=${apiKey.api_key}`;
+}
+
+function getKibanaUrlEnrollArgs(
+  apiKey: EnrollmentAPIKey,
+  kibanaUrl: string,
+  kibanaCASha256?: string
+) {
+  return `--kibana-url=${kibanaUrl} --enrollment-token=${apiKey.api_key}${
+    kibanaCASha256 ? ` --ca_sha256=${kibanaCASha256}` : ''
+  }`;
+}
+
 export const ManualInstructions: React.FunctionComponent<Props> = ({
   kibanaUrl,
   apiKey,
   kibanaCASha256,
+  fleetServerHosts,
 }) => {
-  const enrollArgs = `--kibana-url=${kibanaUrl} --enrollment-token=${apiKey.api_key}${
-    kibanaCASha256 ? ` --ca_sha256=${kibanaCASha256}` : ''
-  }`;
+  const fleetServerHostsNotEmpty = fleetServerHosts.length > 0;
+
+  const enrollArgs = fleetServerHostsNotEmpty
+    ? getfleetServerHostsEnrollArgs(apiKey, fleetServerHosts)
+    : // TODO remove as part of https://github.com/elastic/kibana/issues/94303
+      getKibanaUrlEnrollArgs(apiKey, kibanaUrl, kibanaCASha256);
 
   const linuxMacCommand = `./elastic-agent install -f ${enrollArgs}`;