EMT-248: implement ack resource to accept event payload to acknowledge agent actions

x-pack/plugins/ingest_manager/common/types/rest_spec/agent.ts

@@ -69,13 +69,18 @@ export interface PostAgentEnrollResponse {
 
 export interface PostAgentAcksRequest {
   body: {
-    action_ids: string[];
+    events: AgentEvent[];
   };
   params: {
     agentId: string;
   };
 }
 
+export interface PostAgentAcksResponse {
+  action: string;
+  success: boolean;
+}
+
 export interface PostAgentUnenrollRequest {
   body: { kuery: string } | { ids: string[] };
 }

x-pack/plugins/ingest_manager/server/routes/agent/acks_handlers.test.ts

@@ -0,0 +1,94 @@
+/*
+ * 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 { postAgentAcksHandlerBuilder } from './acks_handlers';
+import {
+  KibanaResponseFactory,
+  RequestHandlerContext,
+  SavedObjectsClientContract,
+} from 'kibana/server';
+import { httpServerMock, savedObjectsClientMock } from '../../../../../../src/core/server/mocks';
+import { PostAgentAcksResponse } from '../../../common/types/rest_spec';
+import { AckEventSchema } from '../../types/models';
+import { AcksService } from '../../services/agents';
+
+describe('test acks schema', () => {
+  it('validate that ack event schema expect action id', async () => {
+    expect(() =>
+      AckEventSchema.validate({
+        type: 'ACTION_RESULT',
+        subtype: 'CONFIG',
+        timestamp: '2019-01-04T14:32:03.36764-05:00',
+        agent_id: 'agent',
+        message: 'hello',
+        payload: 'payload',
+      })
+    ).toThrow(Error);
+
+    expect(
+      AckEventSchema.validate({
+        type: 'ACTION_RESULT',
+        subtype: 'CONFIG',
+        timestamp: '2019-01-04T14:32:03.36764-05:00',
+        agent_id: 'agent',
+        action_id: 'actionId',
+        message: 'hello',
+        payload: 'payload',
+      })
+    ).toBeTruthy();
+  });
+});
+
+describe('test acks handlers', () => {
+  let mockResponse: jest.Mocked<KibanaResponseFactory>;
+  let mockSavedObjectsClient: jest.Mocked<SavedObjectsClientContract>;
+
+  beforeEach(() => {
+    mockSavedObjectsClient = savedObjectsClientMock.create();
+    mockResponse = httpServerMock.createResponseFactory();
+  });
+
+  it('should succeed on valid agent event', async () => {
+    const mockRequest = httpServerMock.createKibanaRequest({
+      headers: {
+        authorization: 'ApiKey TmVqTDBIQUJsRkw1em52R1ZIUF86NS1NaTItdHFUTHFHbThmQW1Fb0ljUQ==',
+      },
+      body: {
+        events: [
+          {
+            type: 'ACTION_RESULT',
+            subtype: 'CONFIG',
+            timestamp: '2019-01-04T14:32:03.36764-05:00',
+            action_id: 'action1',
+            agent_id: 'agent',
+            message: 'message',
+          },
+        ],
+      },
+    });
+
+    const ackService: AcksService = {
+      acknowledgeAgentActions: jest.fn().mockReturnValueOnce([
+        {
+          type: 'CONFIG_CHANGE',
+          id: 'action1',
+        },
+      ]),
+      getAgentByAccessAPIKeyId: jest.fn().mockReturnValueOnce({
+        id: 'agent',
+      }),
+      getSavedObjectsClientContract: jest.fn().mockReturnValueOnce(mockSavedObjectsClient),
+      saveAgentEvents: jest.fn(),
+    } as jest.Mocked<AcksService>;
+
+    const postAgentAcksHandler = postAgentAcksHandlerBuilder(ackService);
+    await postAgentAcksHandler(({} as unknown) as RequestHandlerContext, mockRequest, mockResponse);
+    expect(mockResponse.ok.mock.calls[0][0]?.body as PostAgentAcksResponse).toEqual({
+      action: 'acks',
+      success: true,
+    });
+  });
+});

x-pack/plugins/ingest_manager/server/routes/agent/acks_handlers.ts

@@ -0,0 +1,69 @@
+/*
+ * 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.
+ */
+
+// handlers that handle events from agents in response to actions received
+
+import { RequestHandler } from 'kibana/server';
+import { TypeOf } from '@kbn/config-schema';
+import { PostAgentAcksRequestSchema } from '../../types/rest_spec';
+import * as APIKeyService from '../../services/api_keys';
+import { AcksService } from '../../services/agents';
+import { AgentEvent } from '../../../common/types/models';
+import { PostAgentAcksResponse } from '../../../common/types/rest_spec';
+
+export const postAgentAcksHandlerBuilder = function(
+  ackService: AcksService
+): RequestHandler<
+  TypeOf<typeof PostAgentAcksRequestSchema.params>,
+  undefined,
+  TypeOf<typeof PostAgentAcksRequestSchema.body>
+> {
+  return async (context, request, response) => {
+    try {
+      const soClient = ackService.getSavedObjectsClientContract(request);
+      const res = APIKeyService.parseApiKey(request.headers);
+      const agent = await ackService.getAgentByAccessAPIKeyId(soClient, res.apiKeyId as string);
+      const agentEvents = request.body.events as AgentEvent[];
+
+      // validate that all events are for the authorized agent obtained from the api key
+      const notAuthorizedAgentEvent = agentEvents.filter(
+        agentEvent => agentEvent.agent_id !== agent.id
+      );
+
+      if (notAuthorizedAgentEvent && notAuthorizedAgentEvent.length > 0) {
+        return response.badRequest({
+          body:
+            'agent events contains events with different agent id from currently authorized agent',
+        });
+      }
+
+      const agentActions = await ackService.acknowledgeAgentActions(soClient, agent, agentEvents);
+
+      if (agentActions.length > 0) {
+        await ackService.saveAgentEvents(soClient, agentEvents);
+      }
+
+      const body: PostAgentAcksResponse = {
+        action: 'acks',
+        success: true,
+      };
+
+      return response.ok({ body });
+    } catch (e) {
+      if (e.isBoom) {
+        return response.customError({
+          statusCode: e.output.statusCode,
+          body: { message: e.message },
+        });
+      }
+
+      return response.customError({
+        statusCode: 500,
+        body: { message: e.message },
+      });
+    }
+  };
+};

x-pack/plugins/ingest_manager/server/routes/agent/handlers.ts

@@ -23,15 +23,14 @@ import {
   GetOneAgentEventsRequestSchema,
   PostAgentCheckinRequestSchema,
   PostAgentEnrollRequestSchema,
-  PostAgentAcksRequestSchema,
   PostAgentUnenrollRequestSchema,
   GetAgentStatusRequestSchema,
 } from '../../types';
 import * as AgentService from '../../services/agents';
 import * as APIKeyService from '../../services/api_keys';
 import { appContextService } from '../../services/app_context';
 
-function getInternalUserSOClient(request: KibanaRequest) {
+export function getInternalUserSOClient(request: KibanaRequest) {
   // soClient as kibana internal users, be carefull on how you use it, security is not enabled
   return appContextService.getSavedObjects().getScopedClient(request, {
     excludedWrappers: ['security'],
@@ -210,39 +209,6 @@ export const postAgentCheckinHandler: RequestHandler<
   }
 };
 
-export const postAgentAcksHandler: RequestHandler<
-  TypeOf<typeof PostAgentAcksRequestSchema.params>,
-  undefined,
-  TypeOf<typeof PostAgentAcksRequestSchema.body>
-> = async (context, request, response) => {
-  try {
-    const soClient = getInternalUserSOClient(request);
-    const res = APIKeyService.parseApiKey(request.headers);
-    const agent = await AgentService.getAgentByAccessAPIKeyId(soClient, res.apiKeyId as string);
-
-    await AgentService.acknowledgeAgentActions(soClient, agent, request.body.action_ids);
-
-    const body = {
-      action: 'acks',
-      success: true,
-    };
-
-    return response.ok({ body });
-  } catch (e) {
-    if (e.isBoom) {
-      return response.customError({
-        statusCode: e.output.statusCode,
-        body: { message: e.message },
-      });
-    }
-
-    return response.customError({
-      statusCode: 500,
-      body: { message: e.message },
-    });
-  }
-};
-
 export const postAgentEnrollHandler: RequestHandler<
   undefined,
   undefined,

x-pack/plugins/ingest_manager/server/routes/agent/index.ts

@@ -31,10 +31,12 @@ import {
   getAgentEventsHandler,
   postAgentCheckinHandler,
   postAgentEnrollHandler,
-  postAgentAcksHandler,
   postAgentsUnenrollHandler,
   getAgentStatusForConfigHandler,
+  getInternalUserSOClient,
 } from './handlers';
+import { postAgentAcksHandlerBuilder } from './acks_handlers';
+import * as AgentService from '../../services/agents';
 
 export const registerRoutes = (router: IRouter) => {
   // Get one
@@ -101,7 +103,12 @@ export const registerRoutes = (router: IRouter) => {
       validate: PostAgentAcksRequestSchema,
       options: { tags: [] },
     },
-    postAgentAcksHandler
+    postAgentAcksHandlerBuilder({
+      acknowledgeAgentActions: AgentService.acknowledgeAgentActions,
+      getAgentByAccessAPIKeyId: AgentService.getAgentByAccessAPIKeyId,
+      getSavedObjectsClientContract: getInternalUserSOClient,
+      saveAgentEvents: AgentService.saveAgentEvents,
+    })
   );
 
   router.post(

x-pack/plugins/ingest_manager/server/services/agents/acks.test.ts

@@ -0,0 +1,118 @@
+/*
+ * 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 { savedObjectsClientMock } from '../../../../../../src/core/server/saved_objects/service/saved_objects_client.mock';
+import { Agent, AgentAction, AgentEvent } from '../../../common/types/models';
+import { AGENT_TYPE_PERMANENT } from '../../../common/constants';
+import { acknowledgeAgentActions } from './acks';
+import { isBoom } from 'boom';
+
+describe('test agent acks services', () => {
+  it('should succeed on valid and matched actions', async () => {
+    const mockSavedObjectsClient = savedObjectsClientMock.create();
+    const agentActions = await acknowledgeAgentActions(
+      mockSavedObjectsClient,
+      ({
+        id: 'id',
+        type: AGENT_TYPE_PERMANENT,
+        actions: [
+          {
+            type: 'CONFIG_CHANGE',
+            id: 'action1',
+            sent_at: '2020-03-14T19:45:02.620Z',
+            timestamp: '2019-01-04T14:32:03.36764-05:00',
+            created_at: '2020-03-14T19:45:02.620Z',
+          },
+        ],
+      } as unknown) as Agent,
+      [
+        {
+          type: 'ACTION_RESULT',
+          subtype: 'CONFIG',
+          timestamp: '2019-01-04T14:32:03.36764-05:00',
+          action_id: 'action1',
+          agent_id: 'id',
+        } as AgentEvent,
+      ]
+    );
+    expect(agentActions).toEqual([
+      ({
+        type: 'CONFIG_CHANGE',
+        id: 'action1',
+        sent_at: '2020-03-14T19:45:02.620Z',
+        timestamp: '2019-01-04T14:32:03.36764-05:00',
+        created_at: '2020-03-14T19:45:02.620Z',
+      } as unknown) as AgentAction,
+    ]);
+  });
+
+  it('should fail for actions that cannot be found on agent actions list', async () => {
+    const mockSavedObjectsClient = savedObjectsClientMock.create();
+    try {
+      await acknowledgeAgentActions(
+        mockSavedObjectsClient,
+        ({
+          id: 'id',
+          type: AGENT_TYPE_PERMANENT,
+          actions: [
+            {
+              type: 'CONFIG_CHANGE',
+              id: 'action1',
+              sent_at: '2020-03-14T19:45:02.620Z',
+              timestamp: '2019-01-04T14:32:03.36764-05:00',
+              created_at: '2020-03-14T19:45:02.620Z',
+            },
+          ],
+        } as unknown) as Agent,
+        [
+          ({
+            type: 'ACTION_RESULT',
+            subtype: 'CONFIG',
+            timestamp: '2019-01-04T14:32:03.36764-05:00',
+            action_id: 'action2',
+            agent_id: 'id',
+          } as unknown) as AgentEvent,
+        ]
+      );
+      expect(true).toBeFalsy();
+    } catch (e) {
+      expect(isBoom(e)).toBeTruthy();
+    }
+  });
+
+  it('should fail for events that have types not in the allowed acknowledgement type list', async () => {
+    const mockSavedObjectsClient = savedObjectsClientMock.create();
+    try {
+      await acknowledgeAgentActions(
+        mockSavedObjectsClient,
+        ({
+          id: 'id',
+          type: AGENT_TYPE_PERMANENT,
+          actions: [
+            {
+              type: 'CONFIG_CHANGE',
+              id: 'action1',
+              sent_at: '2020-03-14T19:45:02.620Z',
+              timestamp: '2019-01-04T14:32:03.36764-05:00',
+              created_at: '2020-03-14T19:45:02.620Z',
+            },
+          ],
+        } as unknown) as Agent,
+        [
+          ({
+            type: 'ACTION',
+            subtype: 'FAILED',
+            timestamp: '2019-01-04T14:32:03.36764-05:00',
+            action_id: 'action1',
+            agent_id: 'id',
+          } as unknown) as AgentEvent,
+        ]
+      );
+      expect(true).toBeFalsy();
+    } catch (e) {
+      expect(isBoom(e)).toBeTruthy();
+    }
+  });
+});