src/pipeline-tasks/pipeline-task.logger.spec.ts

@@ -0,0 +1,69 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { PipelineTaskLogger } from './pipeline-task.logger';
+import { PipelineTaskEvent } from './models/pipeline-task-event';
+import { take, timeout } from 'rxjs/operators';
+
+describe('PipelineTaskRunner', () => {
+  let logger: PipelineTaskLogger;
+  let module: TestingModule;
+
+  beforeEach(async () => {
+    module = await Test.createTestingModule({
+      providers: [PipelineTaskLogger],
+    }).compile();
+
+    logger = module.get(PipelineTaskLogger);
+  });
+
+  it('should be defined', () => {
+    expect(logger).toBeDefined();
+  });
+
+  describe('getMessage$', () => {
+    it('normal', async () => {
+      const event = new PipelineTaskEvent();
+      event.taskId = 'test';
+      const message$ = logger.getMessage$('test');
+
+      let receiveEvent;
+      message$.pipe(take(1)).subscribe((value) => (receiveEvent = value));
+      await logger.handleEvent(event);
+      expect(receiveEvent).toEqual(event);
+    });
+    it('no match', async () => {
+      const event = new PipelineTaskEvent();
+      event.taskId = 'test';
+      const message$ = logger.getMessage$('other');
+      setTimeout(() => {
+        logger.handleEvent(event);
+      });
+      expect(message$.pipe(take(1), timeout(100)).toPromise()).rejects.toMatch(
+        'timeout',
+      );
+    });
+    it('multiple subscribers', async () => {
+      const event = new PipelineTaskEvent();
+      event.taskId = 'test';
+      const message$ = logger.getMessage$('test');
+      const message2$ = logger.getMessage$('test');
+      setTimeout(() => {
+        logger.handleEvent(event);
+      });
+      expect(message$.pipe(take(1), timeout(100)).toPromise()).resolves.toEqual(
+        event,
+      );
+      expect(
+        message2$.pipe(take(1), timeout(100)).toPromise(),
+      ).resolves.toEqual(event);
+    });
+  });
+
+  describe('onModuleDestroy', () => {
+    it('complete observable when destroying module', async () => {
+      logger.onModuleDestroy();
+      await expect(
+        (logger as any).message$.toPromise(),
+      ).resolves.toBeUndefined();
+    });
+  });
+});

src/pipeline-tasks/pipeline-task.logger.ts

@@ -0,0 +1,35 @@
+import { RabbitSubscribe } from '@golevelup/nestjs-rabbitmq';
+import { Injectable, OnModuleDestroy } from '@nestjs/common';
+import { Observable, Subject } from 'rxjs';
+import { filter, publish, tap } from 'rxjs/operators';
+import { PipelineTaskEvent } from './models/pipeline-task-event';
+import {
+  EXCHANGE_PIPELINE_TASK_FANOUT,
+  QUEUE_HANDLE_PIPELINE_TASK_LOG_EVENT,
+  ROUTE_PIPELINE_TASK_LOG,
+} from './pipeline-tasks.constants';
+
+@Injectable()
+export class PipelineTaskLogger implements OnModuleDestroy {
+  private readonly messageSubject = new Subject<PipelineTaskEvent>();
+  private readonly message$: Observable<PipelineTaskEvent> = this.messageSubject.pipe();
+  @RabbitSubscribe({
+    exchange: EXCHANGE_PIPELINE_TASK_FANOUT,
+    routingKey: ROUTE_PIPELINE_TASK_LOG,
+    queue: QUEUE_HANDLE_PIPELINE_TASK_LOG_EVENT,
+  })
+  async handleEvent(message: PipelineTaskEvent) {
+    this.messageSubject.next(message);
+  }
+
+  getMessage$(taskId: string) {
+    return this.message$.pipe(
+      tap((val) => console.log(val)),
+      filter((event) => event.taskId === taskId),
+    );
+  }
+
+  onModuleDestroy() {
+    this.messageSubject.complete();
+  }
+}

src/pipeline-tasks/pipeline-task.runner.spec.ts

@@ -8,6 +8,7 @@ import { TaskStatuses } from './enums/task-statuses.enum';
 import { getLoggerToken, PinoLogger } from 'nestjs-pino';
 import { PipelineTaskRunner } from './pipeline-task.runner';
 import { WorkUnitMetadata } from './models/work-unit-metadata.model';
+import { AmqpConnection } from '@golevelup/nestjs-rabbitmq';
 describe('PipelineTaskRunner', () => {
   let runner: PipelineTaskRunner;
   let reposService: ReposService;
@@ -31,6 +32,10 @@ describe('PipelineTaskRunner', () => {
           useValue: () => undefined,
         },
         PipelineTaskRunner,
+        {
+          provide: AmqpConnection,
+          useValue: {},
+        },
       ],
     }).compile();
 

src/pipeline-tasks/pipeline-task.runner.ts

@@ -5,10 +5,14 @@ import { ApplicationException } from '../commons/exceptions/application.exceptio
 import { PipelineUnits } from './enums/pipeline-units.enum';
 import { TaskStatuses } from './enums/task-statuses.enum';
 import { InjectPinoLogger, PinoLogger } from 'nestjs-pino';
-import { RabbitSubscribe } from '@golevelup/nestjs-rabbitmq';
+import { AmqpConnection, RabbitSubscribe } from '@golevelup/nestjs-rabbitmq';
 import { PipelineTaskEvent } from './models/pipeline-task-event';
 import { last } from 'ramda';
 import { Inject } from '@nestjs/common';
+import {
+  EXCHANGE_PIPELINE_TASK_FANOUT,
+  ROUTE_PIPELINE_TASK_LOG,
+} from './pipeline-tasks.constants';
 
 type Spawn = typeof spawn;
 
@@ -21,6 +25,7 @@ export class PipelineTaskRunner {
     private readonly logger: PinoLogger,
     @Inject('spawn')
     private readonly spawn: Spawn,
+    private readonly amqpConnection: AmqpConnection,
   ) {}
   @RabbitSubscribe({
     exchange: 'new-pipeline-task',
@@ -201,6 +206,15 @@ export class PipelineTaskRunner {
       messageType,
       status,
     };
+    this.amqpConnection
+      .publish(EXCHANGE_PIPELINE_TASK_FANOUT, ROUTE_PIPELINE_TASK_LOG, event)
+      .catch((error) => {
+        this.logger.error(
+          { error, event },
+          'send event message to queue failed. %s',
+          error.message,
+        );
+      });
   }
 
   async runScript(

src/pipeline-tasks/pipeline-tasks.constants.ts

@@ -0,0 +1,4 @@
+export const EXCHANGE_PIPELINE_TASK_TOPIC = 'pipeline-task.topic';
+export const EXCHANGE_PIPELINE_TASK_FANOUT = 'pipeline-task.fanout';
+export const ROUTE_PIPELINE_TASK_LOG = 'pipeline-task-log';
+export const QUEUE_HANDLE_PIPELINE_TASK_LOG_EVENT = 'pipeline-task-log';

src/pipeline-tasks/pipeline-tasks.module.ts

@@ -10,6 +10,7 @@ import { RabbitMQModule } from '@golevelup/nestjs-rabbitmq';
 import { ConfigModule, ConfigService } from '@nestjs/config';
 import { PipelineTaskRunner } from './pipeline-task.runner';
 import { spawn } from 'child_process';
+import { EXCHANGE_PIPELINE_TASK_FANOUT } from './pipeline-tasks.constants';
 
 @Module({
   imports: [
@@ -27,6 +28,7 @@ import { spawn } from 'child_process';
             type: 'fanout',
             options: {
               durable: true,
+              autoDelete: true,
             },
           },
           {
@@ -34,6 +36,7 @@ import { spawn } from 'child_process';
             type: 'fanout',
             options: {
               durable: true,
+              autoDelete: true,
             },
           },
           {
@@ -41,6 +44,15 @@ import { spawn } from 'child_process';
             type: 'fanout',
             options: {
               durable: false,
+              autoDelete: true,
+            },
+          },
+          {
+            name: EXCHANGE_PIPELINE_TASK_FANOUT,
+            type: 'fanout',
+            options: {
+              durable: false,
+              autoDelete: true,
             },
           },
         ],