[CLOUD] Add deployment data in the onboarding route (#235847)

## Summary

 elastic/cloud-ui#103
 
The data will be available via the `/internal/cloud/solution` API, the
field is `resource_data.deployment.name`


### Checklist

- [x] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios

---------

Co-authored-by: kibanamachine <[email protected]>

Author: XavierM

x-pack/platform/plugins/shared/cloud/common/types.ts

@@ -25,6 +25,10 @@ export interface ResourceData {
       type: 'general' | 'vector' | 'timeseries';
     };
   };
+  deployment?: {
+    id?: string;
+    name?: string;
+  };
 }
 export interface CloudSecurityAnswer {
   useCase: 'siem' | 'cloud' | 'edr' | 'other';

x-pack/platform/plugins/shared/cloud/server/plugin.ts

@@ -265,8 +265,12 @@ export class CloudPlugin implements Plugin<CloudSetup, CloudStart> {
                         ),
                       })
                     ),
-                    // Can be added in the future if needed:
-                    // deployment: schema.maybe(schema.object({})),
+                    deployment: schema.maybe(
+                      schema.object({
+                        id: schema.maybe(schema.string()),
+                        name: schema.maybe(schema.string()),
+                      })
+                    ),
                   })
                 ),
               },

x-pack/platform/test/functional_cloud/tests/onboarding.ts

@@ -294,6 +294,111 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
       });
     });
 
+    it('Redirect and save deployment at creation time', async () => {
+      const resourceDataString = '{"deployment":{"id":"deployment-id","name":"deployment-name"}}';
+
+      await browser.get(
+        deployment.getHostPort() +
+          `/app/cloud/onboarding?onboarding_token=vector&resource_data=${resourceDataString}&next=${encodeURIComponent(
+            '/app/security/get_started'
+          )}#some=hash-value`
+      );
+      await find.byCssSelector('[data-test-subj="userMenuButton"]', 20000);
+
+      // We need to make sure that both path and hash are respected.
+      const currentURL = parse(await browser.getCurrentUrl());
+      expect(currentURL.pathname).to.eql('/app/security/get_started');
+      expect(currentURL.hash).to.eql('#some=hash-value');
+
+      const {
+        body: { onboardingData, resourceData },
+      } = await supertest
+        .get('/internal/cloud/solution')
+        .set('kbn-xsrf', 'xxx')
+        .set('x-elastic-internal-origin', 'cloud')
+        .set('elastic-api-version', '1')
+        .expect(200);
+      expect(onboardingData).to.eql({
+        token: 'vector',
+      });
+
+      expect(resourceData).to.eql({
+        deployment: {
+          id: 'deployment-id',
+          name: 'deployment-name',
+        },
+      });
+    });
+
+    it('Redirect and update deployment', async () => {
+      const resourceDataString = '{"deployment":{"id":"deployment-id","name":"deployment-name"}}';
+
+      await browser.get(
+        deployment.getHostPort() +
+          `/app/cloud/onboarding?onboarding_token=token&resource_data=${resourceDataString}&next=${encodeURIComponent(
+            '/app/security/get_started'
+          )}#some=hash-value`
+      );
+      await find.byCssSelector('[data-test-subj="userMenuButton"]', 20000);
+
+      // We need to make sure that both path and hash are respected.
+      const currentURL = parse(await browser.getCurrentUrl());
+      expect(currentURL.pathname).to.eql('/app/security/get_started');
+      expect(currentURL.hash).to.eql('#some=hash-value');
+
+      const {
+        body: { onboardingData, resourceData },
+      } = await supertest
+        .get('/internal/cloud/solution')
+        .set('kbn-xsrf', 'xxx')
+        .set('x-elastic-internal-origin', 'cloud')
+        .set('elastic-api-version', '1')
+        .expect(200);
+
+      expect(onboardingData).to.eql({
+        token: 'token',
+      });
+
+      expect(resourceData).to.eql({
+        deployment: {
+          id: 'deployment-id',
+          name: 'deployment-name',
+        },
+      });
+
+      const resourceDataStringUpdated =
+        '{"deployment":{"id":"new-deployment-id","name":"new-deployment-name"}}';
+
+      await browser.get(
+        deployment.getHostPort() +
+          `/app/cloud/onboarding?resource_data=${resourceDataStringUpdated}&next=${encodeURIComponent(
+            '/app/security/get_started'
+          )}#some=hash-value`
+      );
+
+      await find.byCssSelector('[data-test-subj="userMenuButton"]', 20000);
+
+      const {
+        body: { onboardingData: onboardingDataUpdated, resourceData: resourceDataUpdated },
+      } = await supertest
+        .get('/internal/cloud/solution')
+        .set('kbn-xsrf', 'xxx')
+        .set('x-elastic-internal-origin', 'cloud')
+        .set('elastic-api-version', '1')
+        .expect(200);
+
+      expect(onboardingDataUpdated).to.eql({
+        token: 'token',
+      });
+
+      expect(resourceDataUpdated).to.eql({
+        deployment: {
+          id: 'new-deployment-id',
+          name: 'new-deployment-name',
+        },
+      });
+    });
+
     it(`Redirect and keep initial onboarding token when it's not provided on update`, async () => {
       const securityDetails = '{"use_case":"siem","migration":{"value":true,"type":"splunk"}}';