Revert back ESO migration for alerting, added try/catch logic to avoi…

…d failing Kibana on start (elastic#76220)

* Revert back ESO migration for alerting, added try/catch logic to avoid failing Kibana on start

* Revert back ESO migration for alerting, added try/catch logic to avoid failing Kibana on start

* fixed due to comments

* removed unused logger

* fixed type checks

* did renaming from 7.9 to 7.10

* Added migration failure unit test

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

@@ -152,13 +152,14 @@ export class AlertingPlugin {
       );
     }
 
+    this.eventLogger = plugins.eventLog.getLogger({
+      event: { provider: EVENT_LOG_PROVIDER },
+    });
+
     setupSavedObjects(core.savedObjects, plugins.encryptedSavedObjects);
 
     this.eventLogService = plugins.eventLog;
     plugins.eventLog.registerProviderActions(EVENT_LOG_PROVIDER, Object.values(EVENT_LOG_ACTIONS));
-    this.eventLogger = plugins.eventLog.getLogger({
-      event: { provider: EVENT_LOG_PROVIDER },
-    });
 
     const alertTypeRegistry = new AlertTypeRegistry({
       taskManager: plugins.taskManager,

x-pack/plugins/alerts/server/saved_objects/index.ts

@@ -6,6 +6,7 @@
 
 import { SavedObjectsServiceSetup } from 'kibana/server';
 import mappings from './mappings.json';
+import { getMigrations } from './migrations';
 import { EncryptedSavedObjectsPluginSetup } from '../../../encrypted_saved_objects/server';
 
 export function setupSavedObjects(
@@ -16,6 +17,7 @@ export function setupSavedObjects(
     name: 'alert',
     hidden: true,
     namespaceType: 'single',
+    migrations: getMigrations(encryptedSavedObjects),
     mappings: mappings.alert,
   });
 

x-pack/plugins/alerts/server/saved_objects/migrations.test.ts

@@ -0,0 +1,135 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+import uuid from 'uuid';
+import { getMigrations } from './migrations';
+import { RawAlert } from '../types';
+import { SavedObjectUnsanitizedDoc } from 'kibana/server';
+import { encryptedSavedObjectsMock } from '../../../encrypted_saved_objects/server/mocks';
+import { migrationMocks } from 'src/core/server/mocks';
+
+const { log } = migrationMocks.createContext();
+const encryptedSavedObjectsSetup = encryptedSavedObjectsMock.createSetup();
+
+describe('7.10.0', () => {
+  beforeEach(() => {
+    jest.resetAllMocks();
+    encryptedSavedObjectsSetup.createMigration.mockImplementation(
+      (shouldMigrateWhenPredicate, migration) => migration
+    );
+  });
+
+  test('changes nothing on alerts by other plugins', () => {
+    const migration710 = getMigrations(encryptedSavedObjectsSetup)['7.10.0'];
+    const alert = getMockData({});
+    expect(migration710(alert, { log })).toMatchObject(alert);
+
+    expect(encryptedSavedObjectsSetup.createMigration).toHaveBeenCalledWith(
+      expect.any(Function),
+      expect.any(Function)
+    );
+  });
+
+  test('migrates the consumer for metrics', () => {
+    const migration710 = getMigrations(encryptedSavedObjectsSetup)['7.10.0'];
+    const alert = getMockData({
+      consumer: 'metrics',
+    });
+    expect(migration710(alert, { log })).toMatchObject({
+      ...alert,
+      attributes: {
+        ...alert.attributes,
+        consumer: 'infrastructure',
+      },
+    });
+  });
+
+  test('migrates the consumer for alerting', () => {
+    const migration710 = getMigrations(encryptedSavedObjectsSetup)['7.10.0'];
+    const alert = getMockData({
+      consumer: 'alerting',
+    });
+    expect(migration710(alert, { log })).toMatchObject({
+      ...alert,
+      attributes: {
+        ...alert.attributes,
+        consumer: 'alerts',
+      },
+    });
+  });
+});
+
+describe('7.10.0 migrates with failure', () => {
+  beforeEach(() => {
+    jest.resetAllMocks();
+    encryptedSavedObjectsSetup.createMigration.mockRejectedValueOnce(
+      new Error(`Can't migrate!`) as never
+    );
+  });
+
+  test('should show the proper exception', () => {
+    const migration710 = getMigrations(encryptedSavedObjectsSetup)['7.10.0'];
+    const alert = getMockData({
+      consumer: 'alerting',
+    });
+    const res = migration710(alert, { log });
+    expect(res).toMatchObject({
+      ...alert,
+      attributes: {
+        ...alert.attributes,
+      },
+    });
+    expect(log.error).toHaveBeenCalledWith(
+      `encryptedSavedObject migration failed for alert ${alert.id} with error: migrationFunc is not a function`,
+      {
+        alertDocument: {
+          ...alert,
+          attributes: {
+            ...alert.attributes,
+          },
+        },
+      }
+    );
+  });
+});
+
+function getMockData(
+  overwrites: Record<string, unknown> = {}
+): SavedObjectUnsanitizedDoc<RawAlert> {
+  return {
+    attributes: {
+      enabled: true,
+      name: 'abc',
+      tags: ['foo'],
+      alertTypeId: '123',
+      consumer: 'bar',
+      apiKey: '',
+      apiKeyOwner: '',
+      schedule: { interval: '10s' },
+      throttle: null,
+      params: {
+        bar: true,
+      },
+      muteAll: false,
+      mutedInstanceIds: [],
+      createdBy: new Date().toISOString(),
+      updatedBy: new Date().toISOString(),
+      createdAt: new Date().toISOString(),
+      actions: [
+        {
+          group: 'default',
+          actionRef: '1',
+          actionTypeId: '1',
+          params: {
+            foo: true,
+          },
+        },
+      ],
+      ...overwrites,
+    },
+    id: uuid.v4(),
+    type: 'alert',
+  };
+}

x-pack/plugins/alerts/server/saved_objects/migrations.ts

@@ -0,0 +1,76 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+import {
+  SavedObjectMigrationMap,
+  SavedObjectUnsanitizedDoc,
+  SavedObjectMigrationFn,
+  SavedObjectMigrationContext,
+} from '../../../../../src/core/server';
+import { RawAlert } from '../types';
+import { EncryptedSavedObjectsPluginSetup } from '../../../encrypted_saved_objects/server';
+
+export function getMigrations(
+  encryptedSavedObjects: EncryptedSavedObjectsPluginSetup
+): SavedObjectMigrationMap {
+  const alertsMigration = changeAlertingConsumer(encryptedSavedObjects, 'alerting', 'alerts');
+
+  const infrastructureMigration = changeAlertingConsumer(
+    encryptedSavedObjects,
+    'metrics',
+    'infrastructure'
+  );
+
+  return {
+    '7.10.0': (doc: SavedObjectUnsanitizedDoc<RawAlert>, context: SavedObjectMigrationContext) => {
+      if (doc.attributes.consumer === 'alerting') {
+        return executeMigration(doc, context, alertsMigration);
+      } else if (doc.attributes.consumer === 'metrics') {
+        return executeMigration(doc, context, infrastructureMigration);
+      }
+      return doc;
+    },
+  };
+}
+
+function executeMigration(
+  doc: SavedObjectUnsanitizedDoc<RawAlert>,
+  context: SavedObjectMigrationContext,
+  migrationFunc: SavedObjectMigrationFn<RawAlert, RawAlert>
+) {
+  try {
+    return migrationFunc(doc, context);
+  } catch (ex) {
+    context.log.error(
+      `encryptedSavedObject migration failed for alert ${doc.id} with error: ${ex.message}`,
+      { alertDocument: doc }
+    );
+  }
+  return doc;
+}
+
+function changeAlertingConsumer(
+  encryptedSavedObjects: EncryptedSavedObjectsPluginSetup,
+  from: string,
+  to: string
+): SavedObjectMigrationFn<RawAlert, RawAlert> {
+  return encryptedSavedObjects.createMigration<RawAlert, RawAlert>(
+    function shouldBeMigrated(doc): doc is SavedObjectUnsanitizedDoc<RawAlert> {
+      return doc.attributes.consumer === from;
+    },
+    (doc: SavedObjectUnsanitizedDoc<RawAlert>): SavedObjectUnsanitizedDoc<RawAlert> => {
+      const {
+        attributes: { consumer },
+      } = doc;
+      return {
+        ...doc,
+        attributes: {
+          ...doc.attributes,
+          consumer: consumer === from ? to : consumer,
+        },
+      };
+    }
+  );
+}

x-pack/test/alerting_api_integration/spaces_only/tests/alerting/index.ts

@@ -28,5 +28,8 @@ export default function alertingTests({ loadTestFile }: FtrProviderContext) {
     loadTestFile(require.resolve('./alerts_space1'));
     loadTestFile(require.resolve('./alerts_default_space'));
     loadTestFile(require.resolve('./builtin_alert_types'));
+
+    // note that this test will destroy existing spaces
+    loadTestFile(require.resolve('./migrations'));
   });
 }

x-pack/test/alerting_api_integration/spaces_only/tests/alerting/migrations.ts

@@ -0,0 +1,43 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import expect from '@kbn/expect';
+import { getUrlPrefix } from '../../../common/lib';
+import { FtrProviderContext } from '../../../common/ftr_provider_context';
+
+// eslint-disable-next-line import/no-default-export
+export default function createGetTests({ getService }: FtrProviderContext) {
+  const supertest = getService('supertest');
+  const esArchiver = getService('esArchiver');
+
+  describe('migrations', () => {
+    before(async () => {
+      await esArchiver.load('alerts');
+    });
+
+    after(async () => {
+      await esArchiver.unload('alerts');
+    });
+
+    it('7.10.0 migrates the `alerting` consumer to be the `alerts`', async () => {
+      const response = await supertest.get(
+        `${getUrlPrefix(``)}/api/alerts/alert/74f3e6d7-b7bb-477d-ac28-92ee22728e6e`
+      );
+
+      expect(response.status).to.eql(200);
+      expect(response.body.consumer).to.equal('alerts');
+    });
+
+    it('7.10.0 migrates the `metrics` consumer to be the `infrastructure`', async () => {
+      const response = await supertest.get(
+        `${getUrlPrefix(``)}/api/alerts/alert/74f3e6d7-b7bb-477d-ac28-fdf248d5f2a4`
+      );
+
+      expect(response.status).to.eql(200);
+      expect(response.body.consumer).to.equal('infrastructure');
+    });
+  });
+}