[Logs onboarding] Ensure versioning for SO (#165331)

Closes https://github.com/elastic/kibana/issues/160253.

### Changes
- Schema was added to observabilityOnboarding SO
- `x-elastic-internal-origin` was added to requests from installation
script

src/core/server/integration_tests/saved_objects/migrations/group2/check_registered_types.test.ts

@@ -120,7 +120,7 @@ describe('checking migration metadata changes on all registered SO types', () =>
         "ml-module": "2225cbb4bd508ea5f69db4b848be9d8a74b60198",
         "ml-trained-model": "482195cefd6b04920e539d34d7356d22cb68e4f3",
         "monitoring-telemetry": "5d91bf75787d9d4dd2fae954d0b3f76d33d2e559",
-        "observability-onboarding-state": "c18631f47a0da568f12f859c9ab9d4ca73bdff7c",
+        "observability-onboarding-state": "b16064c516aac64ae699c737d7d10b6e199bfded",
         "osquery-manager-usage-metric": "983bcbc3b7dda0aad29b20907db233abba709bcc",
         "osquery-pack": "6ab4358ca4304a12dcfc1777c8135b75cffb4397",
         "osquery-pack-asset": "b14101d3172c4b60eb5404696881ce5275c84152",

x-pack/plugins/observability_onboarding/public/assets/standalone_agent_setup.sh

@@ -61,6 +61,7 @@ updateStepProgress() {
     --header "Authorization: ApiKey ${API_KEY_ENCODED}" \
     --header "Content-Type: application/json" \
     --header "kbn-xsrf: true" \
+    --header "x-elastic-internal-origin: Kibana" \
     --data "{\"status\":\"${STATUS}\", \"message\":\"${MESSAGE}\"}" \
     --output /dev/null \
     --no-progress-meter
@@ -148,6 +149,7 @@ downloadElasticAgentConfig() {
     --header "Authorization: ApiKey ${API_KEY_ENCODED}" \
     --header "Content-Type: application/json" \
     --header "kbn-xsrf: true" \
+    --header "x-elastic-internal-origin: Kibana" \
     --no-progress-meter \
     --output ${cfg}
 
@@ -162,7 +164,7 @@ downloadElasticAgentConfig() {
 
 if [ "${AUTO_DOWNLOAD_CONFIG}" == "autoDownloadConfig=1" ]; then
   downloadElasticAgentConfig
-  echo "Done with standalone Elastic Agent setup for custom logs. Look for streaming logs to arrive in Kibana"
+  echo "Done with standalone Elastic Agent setup. Look for streaming logs to arrive in Kibana"
 else
-  echo "Done with standalone Elastic Agent setup for custom logs. Make sure to add your configuration to ${cfg}, then look for streaming logs to arrive in Kibana"
+  echo "Done with standalone Elastic Agent setup. Make sure to add your configuration to ${cfg}, then look for streaming logs to arrive in Kibana"
 fi

x-pack/plugins/observability_onboarding/server/saved_objects/observability_onboarding_status.ts

@@ -6,6 +6,7 @@
  */
 
 import { SavedObjectsType } from '@kbn/core/server';
+import { schema } from '@kbn/config-schema';
 
 export const OBSERVABILITY_ONBOARDING_STATE_SAVED_OBJECT_TYPE =
   'observability-onboarding-state';
@@ -46,6 +47,18 @@ export interface SavedObservabilityOnboardingFlow
   updatedAt: number;
 }
 
+const LogFilesStateSchema = schema.object({
+  datasetName: schema.string(),
+  serviceName: schema.maybe(schema.string()),
+  customConfigurations: schema.maybe(schema.string()),
+  logFilePaths: schema.arrayOf(schema.string()),
+  namespace: schema.string(),
+});
+
+const SystemLogsStateSchema = schema.object({
+  namespace: schema.string(),
+});
+
 export const observabilityOnboardingFlow: SavedObjectsType = {
   name: OBSERVABILITY_ONBOARDING_STATE_SAVED_OBJECT_TYPE,
   hidden: false,
@@ -57,4 +70,24 @@ export const observabilityOnboardingFlow: SavedObjectsType = {
       progress: { type: 'object', dynamic: false },
     },
   },
+  modelVersions: {
+    '1': {
+      changes: [],
+      schemas: {
+        create: schema.object({
+          type: schema.string(),
+          state: schema.maybe(
+            schema.oneOf([LogFilesStateSchema, SystemLogsStateSchema])
+          ),
+          progress: schema.mapOf(
+            schema.string(),
+            schema.object({
+              status: schema.string(),
+              message: schema.maybe(schema.string()),
+            })
+          ),
+        }),
+      },
+    },
+  },
 };

x-pack/test/observability_onboarding_api_integration/tests/flow/progress/progress.spec.ts

@@ -49,6 +49,7 @@ export default function ApiTest({ getService }: FtrProviderContext) {
             state: {
               datasetName,
               namespace,
+              logFilePaths: ['my-service.log'],
             },
           },
         },

x-pack/test/observability_onboarding_api_integration/tests/logs/create.spec.ts

@@ -56,7 +56,14 @@ export default function ApiTest({ getService }: FtrProviderContext) {
 
     describe('when required privileges are set', () => {
       it('returns a flow id and apiKey encoded', async () => {
-        const request = await callApiWithPrivileges('logFiles');
+        const state = {
+          datasetName: 'my-dataset',
+          serviceName: 'my-service',
+          namespace: 'my-namespace',
+          logFilePaths: ['my-service-logs.log'],
+        };
+
+        const request = await callApiWithPrivileges('logFiles', state);
 
         expect(request.status).to.be(200);
         expect(request.body.apiKeyEncoded).to.not.empty();
@@ -68,7 +75,7 @@ export default function ApiTest({ getService }: FtrProviderContext) {
           datasetName: 'my-dataset',
           serviceName: 'my-service',
           namespace: 'my-namespace',
-          logFilePaths: 'my-service-logs.log',
+          logFilePaths: ['my-service-logs.log'],
         };
 
         const request = await callApiWithPrivileges('logFiles', state);

x-pack/test/observability_onboarding_api_integration/tests/logs/update_step_progress.spec.ts

@@ -69,7 +69,12 @@ export default function ApiTest({ getService }: FtrProviderContext) {
             body: {
               type: 'logFiles',
               name: 'name',
-              state: {},
+              state: {
+                datasetName: 'my-dataset',
+                serviceName: 'my-service',
+                namespace: 'my-namespace',
+                logFilePaths: ['my-service.log'],
+              },
             },
           },
         });