heath impl

2025-04-02 19:31:13 -03:00
parent 15bb11fc4c
commit 8ba6f345c7
32 changed files with 2620 additions and 395 deletions
--- a/src/health/health.controller.ts
+++ b/src/health/health.controller.ts
@@ -0,0 +1,109 @@
+import { Controller, Get } from '@nestjs/common';
+import {
+  HealthCheck,
+  HealthCheckService,
+  HttpHealthIndicator,
+  DiskHealthIndicator,
+  MemoryHealthIndicator,
+} from '@nestjs/terminus';
+import { TypeOrmHealthIndicator } from './indicators/typeorm.health';
+import { DbPoolStatsIndicator } from './indicators/db-pool-stats.health';
+import { ConfigService } from '@nestjs/config';
+import { ApiTags, ApiOperation } from '@nestjs/swagger';
+import * as os from 'os';
+
+@ApiTags('Health Check')
+@Controller('health')
+export class HealthController {
+  private readonly diskPath: string;
+
+  constructor(
+    private health: HealthCheckService,
+    private http: HttpHealthIndicator,
+    private disk: DiskHealthIndicator,
+    private memory: MemoryHealthIndicator,
+    private typeOrmHealth: TypeOrmHealthIndicator,
+    private dbPoolStats: DbPoolStatsIndicator,
+    private configService: ConfigService,
+  ) {
+    // Define o caminho correto para o disco, baseado no sistema operacional
+    this.diskPath = os.platform() === 'win32' ? 'C:\\' : '/';
+  }
+
+  @Get()
+  @HealthCheck()
+  @ApiOperation({ summary: 'Verificar saúde geral da aplicação' })
+  check() {
+    return this.health.check([
+      // Verifica o status da própria aplicação
+      () => this.http.pingCheck('api', 'http://localhost:8066/docs'),
+      
+      // Verifica espaço em disco (espaço livre < 80%)
+      () => this.disk.checkStorage('disk_percent', { 
+        path: this.diskPath, 
+        thresholdPercent: 0.8, // 80%
+      }),
+      
+      // Verifica espaço em disco (pelo menos 500MB livres)
+      () => this.disk.checkStorage('disk_space', { 
+        path: this.diskPath, 
+        threshold: 500 * 1024 * 1024, // 500MB em bytes
+      }),
+      
+      // Verifica uso de memória (heap <150MB)
+      () => this.memory.checkHeap('memory_heap', 150 * 1024 * 1024), // 150MB
+      
+      // Verifica as conexões de banco de dados 
+      () => this.typeOrmHealth.checkOracle(),
+      () => this.typeOrmHealth.checkPostgres(),
+    ]);
+  }
+
+  @Get('db')
+  @HealthCheck()
+  @ApiOperation({ summary: 'Verificar saúde das conexões de banco de dados' })
+  checkDatabase() {
+    return this.health.check([
+      () => this.typeOrmHealth.checkOracle(),
+      () => this.typeOrmHealth.checkPostgres(),
+    ]);
+  }
+
+  @Get('memory')
+  @HealthCheck()
+  @ApiOperation({ summary: 'Verificar uso de memória' })
+  checkMemory() {
+    return this.health.check([
+      () => this.memory.checkHeap('memory_heap', 150 * 1024 * 1024),
+      () => this.memory.checkRSS('memory_rss', 300 * 1024 * 1024),
+    ]);
+  }
+
+  @Get('disk')
+  @HealthCheck()
+  @ApiOperation({ summary: 'Verificar espaço em disco' })
+  checkDisk() {
+    return this.health.check([
+      // Verificar espaço em disco usando porcentagem
+      () => this.disk.checkStorage('disk_percent', { 
+        path: this.diskPath, 
+        thresholdPercent: 0.8,
+      }),
+      // Verificar espaço em disco usando valor absoluto
+      () => this.disk.checkStorage('disk_space', { 
+        path: this.diskPath, 
+        threshold: 500 * 1024 * 1024,
+      }),
+    ]);
+  }
+
+  @Get('pool')
+  @HealthCheck()
+  @ApiOperation({ summary: 'Verificar estatísticas do pool de conexões' })
+  checkPoolStats() {
+    return this.health.check([
+      () => this.dbPoolStats.checkOraclePoolStats(),
+      () => this.dbPoolStats.checkPostgresPoolStats(),
+    ]);
+  }
+}