.vscode/settings.json

@@ -1,5 +1,6 @@
 {
   "cSpell.words": [
+    "Mutex",
     "Repos",
     "amqp",
     "boardcat",

src/commons/commons.module.ts

@@ -1,8 +1,10 @@
 import { Module } from '@nestjs/common';
 import { PasswordConverter } from './services/password-converter';
+import { RedisMutexModule } from './redis-mutex/redis-mutex.module';
 
 @Module({
   providers: [PasswordConverter],
-  exports: [PasswordConverter],
+  exports: [PasswordConverter, RedisMutexModule],
+  imports: [RedisMutexModule],
 })
 export class CommonsModule {}

src/commons/redis-mutex/redis-mutex.module.ts

@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { RedisMutexService } from './redis-mutex.service';
+import { RedisModule } from 'nestjs-redis';
+
+@Module({
+  imports: [RedisModule],
+  providers: [RedisMutexService],
+  exports: [RedisMutexService],
+})
+export class RedisMutexModule {}

src/commons/redis-mutex/redis-mutex.service.spec.ts

@@ -0,0 +1,18 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { RedisMutexService } from './redis-mutex.service';
+
+describe('RedisMutexService', () => {
+  let service: RedisMutexService;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [RedisMutexService],
+    }).compile();
+
+    service = module.get<RedisMutexService>(RedisMutexService);
+  });
+
+  it('should be defined', () => {
+    expect(service).toBeDefined();
+  });
+});

src/commons/redis-mutex/redis-mutex.service.ts

@@ -0,0 +1,71 @@
+import { Injectable } from '@nestjs/common';
+import { RedisService } from 'nestjs-redis';
+import * as uuid from 'uuid';
+import { ApplicationException } from '../exceptions/application.exception';
+
+export interface RedisMutexOption {
+  /**
+   * seconds
+   */
+  expires?: number;
+  /**
+   * seconds
+   */
+  timeout?: number | null;
+  /**
+   * milliseconds
+   */
+  retryDelay?: number;
+}
+
+@Injectable()
+export class RedisMutexService {
+  constructor(private readonly redisClient: RedisService) {}
+
+  public async lock(
+    key: string,
+    { expires = 100, timeout = 10, retryDelay = 100 }: RedisMutexOption = {
+      expires: 100,
+      timeout: 10,
+      retryDelay: 100,
+    },
+  ) {
+    const redisKey = `${'mutex-lock'}:${key}`;
+    const redis = this.redisClient.getClient();
+    const value = uuid.v4();
+    const timeoutAt = timeout ? Date.now() + timeout * 1000 : null;
+
+    while (
+      !(await redis
+        .set(redisKey, value, 'EX', expires, 'NX')
+        .then(() => true)
+        .catch(() => false))
+    ) {
+      if (timeoutAt && timeoutAt > Date.now()) {
+        throw new ApplicationException('lock timeout');
+      }
+      await new Promise((resolve) => setTimeout(resolve, retryDelay));
+    }
+
+    const renewTimer = setInterval(() => {
+      redis.expire(redisKey, expires);
+    }, (expires * 1000) / 2);
+
+    return async () => {
+      clearInterval(renewTimer);
+      await redis.eval(
+        `
+      if redis.call("get", KEYS[1]) == ARGV[1]
+      then
+          return redis.call("del", KEYS[1])
+      else
+          return 0
+      end
+    `,
+        1,
+        redisKey,
+        value,
+      );
+    };
+  }
+}

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

@@ -22,7 +22,6 @@ import { PipelineTaskFlushService } from './pipeline-task-flush.service';
     TypeOrmModule.forFeature([PipelineTask, Pipeline]),
     RedisModule,
     ReposModule,
-
     RabbitMQModule.forRootAsync(RabbitMQModule, {
       imports: [ConfigModule],
       useFactory: (configService: ConfigService) => ({
@@ -36,22 +35,6 @@ import { PipelineTaskFlushService } from './pipeline-task-flush.service';
               autoDelete: true,
             },
           },
-          {
-            name: 'stop-pipeline-task',
-            type: 'fanout',
-            options: {
-              durable: true,
-              autoDelete: true,
-            },
-          },
-          {
-            name: 'update-pipeline-task',
-            type: 'fanout',
-            options: {
-              durable: false,
-              autoDelete: true,
-            },
-          },
           {
             name: EXCHANGE_PIPELINE_TASK_FANOUT,
             type: 'fanout',

src/pipelines/pipelines.service.ts

@@ -57,7 +57,7 @@ export class PipelinesService extends BaseDbService<Pipeline> {
       exchange: EXCHANGE_REPO,
       routingKey: getAppInstanceRouteKey(ROUTE_FETCH, appInstance),
       payload: pipeline,
-      timeout: 30_000,
+      timeout: 120_000,
     });
   }
   async listCommits(pipeline: Pipeline) {

src/projects/projects.constants.ts

@@ -0,0 +1,3 @@
+export const EXCHANGE_PROJECT_TOPIC = 'project.topic';
+export const EXCHANGE_PROJECT_FANOUT = 'project.fanout';
+export const ROUTE_PROJECT_CHANGE = 'project-change';

src/projects/projects.module.ts

@@ -3,9 +3,31 @@ import { ProjectsService } from './projects.service';
 import { ProjectsResolver } from './projects.resolver';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { Project } from './project.entity';
+import { RabbitMQModule } from '@golevelup/nestjs-rabbitmq';
+import { ConfigModule, ConfigService } from '@nestjs/config';
+import { EXCHANGE_PROJECT_FANOUT } from './projects.constants';
 
 @Module({
-  imports: [TypeOrmModule.forFeature([Project])],
+  imports: [
+    TypeOrmModule.forFeature([Project]),
+    RabbitMQModule.forRootAsync(RabbitMQModule, {
+      imports: [ConfigModule],
+      useFactory: (configService: ConfigService) => ({
+        uri: configService.get<string>('db.rabbitmq.uri'),
+        exchanges: [
+          {
+            name: EXCHANGE_PROJECT_FANOUT,
+            type: 'fanout',
+            options: {
+              durable: false,
+              autoDelete: true,
+            },
+          },
+        ],
+      }),
+      inject: [ConfigService],
+    }),
+  ],
   providers: [ProjectsService, ProjectsResolver],
   exports: [ProjectsService],
 })

src/projects/projects.service.spec.ts

@@ -2,6 +2,7 @@ import { Test, TestingModule } from '@nestjs/testing';
 import { ProjectsService } from './projects.service';
 import { getRepositoryToken } from '@nestjs/typeorm';
 import { Project } from './project.entity';
+import { AmqpConnection } from '@golevelup/nestjs-rabbitmq';
 
 describe('ProjectsService', () => {
   let service: ProjectsService;
@@ -14,6 +15,10 @@ describe('ProjectsService', () => {
           provide: getRepositoryToken(Project),
           useValue: {},
         },
+        {
+          provide: AmqpConnection,
+          useValue: {},
+        },
       ],
     }).compile();
 

src/projects/projects.service.ts

@@ -5,6 +5,11 @@ import { Repository } from 'typeorm';
 import { CreateProjectInput } from './dtos/create-project.input';
 import { Project } from './project.entity';
 import { UpdateProjectInput } from './dtos/update-project.input';
+import { AmqpConnection } from '@golevelup/nestjs-rabbitmq';
+import {
+  EXCHANGE_PROJECT_FANOUT,
+  ROUTE_PROJECT_CHANGE,
+} from './projects.constants';
 
 @Injectable()
 export class ProjectsService extends BaseDbService<Project> {
@@ -12,6 +17,7 @@ export class ProjectsService extends BaseDbService<Project> {
   constructor(
     @InjectRepository(Project)
     readonly repository: Repository<Project>,
+    private readonly amqpConnection: AmqpConnection,
   ) {
     super(repository);
   }
@@ -28,7 +34,12 @@ export class ProjectsService extends BaseDbService<Project> {
   async update(dto: UpdateProjectInput) {
     await this.isDuplicateEntityForUpdate(dto.id, dto);
     const old = await this.findOne(dto.id);
-    return await this.repository.save(this.repository.merge(old, dto));
+    const project = await this.repository.save(this.repository.merge(old, dto));
+    this.amqpConnection.publish(EXCHANGE_PROJECT_FANOUT, ROUTE_PROJECT_CHANGE, [
+      project,
+      old,
+    ]);
+    return project;
   }
 
   async remove(id: string) {

src/repos/repos.constants.ts

@@ -3,3 +3,4 @@ export const ROUTE_FETCH = 'fetch';
 export const ROUTE_LIST_COMMITS = 'list-commits';
 export const QUEUE_LIST_COMMITS = 'list-commits';
 export const QUEUE_FETCH = 'repo-fetch';
+export const QUEUE_REFRESH_REPO = 'refresh-repo';

src/repos/repos.module.ts

@@ -7,12 +7,14 @@ import { ConfigModule, ConfigService } from '@nestjs/config';
 import { ProjectsModule } from '../projects/projects.module';
 import { EXCHANGE_REPO } from './repos.constants';
 import { RabbitMQModule } from '@golevelup/nestjs-rabbitmq';
+import { CommonsModule } from '../commons/commons.module';
 
 @Module({
   imports: [
     TypeOrmModule.forFeature([Project]),
     ConfigModule,
     ProjectsModule,
+    CommonsModule,
     RabbitMQModule.forRootAsync(RabbitMQModule, {
       imports: [ConfigModule],
       useFactory: (configService: ConfigService) => ({

src/repos/repos.service.ts

@@ -11,13 +11,14 @@ import { Project } from '../projects/project.entity';
 import { ListBranchesArgs } from './dtos/list-branches.args';
 import { ConfigService } from '@nestjs/config';
 import { Commit } from './dtos/log-list.model';
-import { Nack, RabbitRPC } from '@golevelup/nestjs-rabbitmq';
+import { Nack, RabbitRPC, RabbitSubscribe } from '@golevelup/nestjs-rabbitmq';
 import { Pipeline } from '../pipelines/pipeline.entity';
-import { InjectPinoLogger, Logger } from 'nestjs-pino';
+import { InjectPinoLogger, PinoLogger } from 'nestjs-pino';
 import {
   EXCHANGE_REPO,
   QUEUE_FETCH,
   QUEUE_LIST_COMMITS,
+  QUEUE_REFRESH_REPO,
   ROUTE_FETCH,
   ROUTE_LIST_COMMITS,
 } from './repos.constants';
@@ -27,6 +28,12 @@ import {
   getSelfInstanceRouteKey,
 } from '../commons/utils/rabbit-mq';
 import { ApplicationException } from '../commons/exceptions/application.exception';
+import {
+  EXCHANGE_PROJECT_FANOUT,
+  ROUTE_PROJECT_CHANGE,
+} from '../projects/projects.constants';
+import { RedisMutexService } from '../commons/redis-mutex/redis-mutex.service';
+import { rm } from 'fs/promises';
 
 const DEFAULT_REMOTE_NAME = 'origin';
 const INFO_PATH = '@info';
@@ -37,7 +44,8 @@ export class ReposService {
     private readonly projectRepository: Repository<Project>,
     private readonly configService: ConfigService,
     @InjectPinoLogger(ReposService.name)
-    private readonly logger: Logger,
+    private readonly logger: PinoLogger,
+    private readonly redisMutexService: RedisMutexService,
   ) {}
 
   getWorkspaceRoot(project: Project): string {
@@ -170,6 +178,9 @@ export class ReposService {
     },
   })
   async fetch(pipeline: Pipeline): Promise<string | null | Nack> {
+    const unlock = await this.redisMutexService.lock(
+      `repo-project-${pipeline.projectId}`,
+    );
     try {
       const git = await this.getGit(pipeline.project, undefined, {
         fetch: false,
@@ -179,6 +190,43 @@ export class ReposService {
     } catch (error) {
       this.logger.error({ error, pipeline }, '[fetch] %s', error?.message);
       return new Nack();
+    } finally {
+      await unlock();
+    }
+  }
+
+  @RabbitSubscribe({
+    exchange: EXCHANGE_PROJECT_FANOUT,
+    routingKey: ROUTE_PROJECT_CHANGE,
+    queue: QUEUE_REFRESH_REPO,
+    queueOptions: {
+      autoDelete: true,
+      durable: true,
+    },
+  })
+  async refreshRepo([project]: [Project]) {
+    this.logger.info({ project }, '[refreshRepo] start');
+    const unlock = await this.redisMutexService.lock(
+      `repo-project-${project.id}`,
+      {
+        timeout: null,
+      },
+    );
+    try {
+      const path = join(
+        this.configService.get<string>('workspaces.root'),
+        encodeURIComponent(project.name),
+      );
+      await rm(path, { recursive: true });
+      this.logger.info({ project }, '[refreshRepo] success');
+    } catch (error) {
+      this.logger.error(
+        { project, error },
+        '[refreshRepo] failed. $s',
+        error.message,
+      );
+    } finally {
+      await unlock();
     }
   }
 }