Ajuste na db-pool

This commit is contained in:
JurTI-BR
2025-04-08 15:41:48 -03:00
parent b7e5cb64aa
commit 3188482c82
5 changed files with 167 additions and 190 deletions

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@@ -1,51 +0,0 @@
"use strict";
exports.__esModule = true;
exports.createOracleConfig = void 0;
var oracledb = require("oracledb");
// Inicializar o cliente Oracle
oracledb.initOracleClient({ libDir: "C:\\oracle" });
// Definir a estratégia de pool padrão para Oracle
oracledb.poolTimeout = 60; // timeout do pool em segundos
oracledb.queueTimeout = 60000; // timeout da fila em milissegundos
oracledb.poolIncrement = 1; // incremental de conexões
function createOracleConfig(config) {
// Obter configurações de ambiente ou usar valores padrão
var poolMin = parseInt(config.get('ORACLE_POOL_MIN', '5'));
var poolMax = parseInt(config.get('ORACLE_POOL_MAX', '20'));
var poolIncrement = parseInt(config.get('ORACLE_POOL_INCREMENT', '5'));
var poolTimeout = parseInt(config.get('ORACLE_POOL_TIMEOUT', '30000'));
var idleTimeout = parseInt(config.get('ORACLE_POOL_IDLE_TIMEOUT', '300000'));
// Validação de valores mínimos
var validPoolMin = Math.max(1, poolMin);
var validPoolMax = Math.max(validPoolMin + 1, poolMax);
var validPoolIncrement = Math.max(1, poolIncrement);
// Certifique-se de que poolMax é maior que poolMin
if (validPoolMax <= validPoolMin) {
console.warn('Warning: poolMax deve ser maior que poolMin. Ajustando poolMax para poolMin + 1');
}
var options = {
type: 'oracle',
connectString: config.get('ORACLE_CONNECT_STRING'),
username: config.get('ORACLE_USER'),
password: config.get('ORACLE_PASSWORD'),
synchronize: false,
logging: config.get('NODE_ENV') === 'development',
entities: [__dirname + '/../**/*.entity.{ts,js}'],
extra: {
// Configurações de pool
poolMin: validPoolMin,
poolMax: validPoolMax,
poolIncrement: validPoolIncrement,
poolTimeout: Math.floor(poolTimeout / 1000),
queueTimeout: 60000,
enableStats: true,
homogeneous: true,
poolPingInterval: 60,
stmtCacheSize: 30,
connectionClass: 'PORTALJURU',
idleTimeout: Math.floor(idleTimeout / 1000)
}
};
return options;
}
exports.createOracleConfig = createOracleConfig;

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@@ -1,45 +0,0 @@
"use strict";
exports.__esModule = true;
exports.createPostgresConfig = void 0;
function createPostgresConfig(config) {
// Obter configurações de ambiente ou usar valores padrão
var poolMin = parseInt(config.get('POSTGRES_POOL_MIN', '5'));
var poolMax = parseInt(config.get('POSTGRES_POOL_MAX', '20'));
var idleTimeout = parseInt(config.get('POSTGRES_POOL_IDLE_TIMEOUT', '30000'));
var connectionTimeout = parseInt(config.get('POSTGRES_POOL_CONNECTION_TIMEOUT', '5000'));
var acquireTimeout = parseInt(config.get('POSTGRES_POOL_ACQUIRE_TIMEOUT', '60000'));
// Validação de valores mínimos
var validPoolMin = Math.max(1, poolMin);
var validPoolMax = Math.max(validPoolMin + 1, poolMax);
var validIdleTimeout = Math.max(1000, idleTimeout);
var validConnectionTimeout = Math.max(1000, connectionTimeout);
var validAcquireTimeout = Math.max(1000, acquireTimeout);
var options = {
type: 'postgres',
host: config.get('POSTGRES_HOST'),
port: parseInt(config.get('POSTGRES_PORT', '5432')),
username: config.get('POSTGRES_USER'),
password: config.get('POSTGRES_PASSWORD'),
database: config.get('POSTGRES_DB'),
synchronize: config.get('NODE_ENV') === 'development',
entities: [__dirname + '/../**/*.entity.{ts,js}'],
ssl: config.get('NODE_ENV') === 'production' ? { rejectUnauthorized: false } : false,
logging: config.get('NODE_ENV') === 'development',
poolSize: validPoolMax,
extra: {
// Configuração de pool do PostgreSQL
min: validPoolMin,
max: validPoolMax,
idleTimeoutMillis: validIdleTimeout,
connectionTimeoutMillis: validConnectionTimeout,
acquireTimeoutMillis: validAcquireTimeout,
statement_timeout: 10000,
query_timeout: 10000
},
cache: {
duration: 60000
}
};
return options;
}
exports.createPostgresConfig = createPostgresConfig;

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@@ -1,84 +1,193 @@
import { Injectable } from '@nestjs/common';
import { HealthIndicator, HealthIndicatorResult } from '@nestjs/terminus';
import { Injectable, Logger } from '@nestjs/common';
import {
HealthIndicator,
HealthIndicatorResult,
HealthCheckError, // Import HealthCheckError for better terminus integration
} from '@nestjs/terminus';
import { InjectConnection } from '@nestjs/typeorm';
import { DataSource } from 'typeorm';
const ORACLE_HEALTH_KEY = 'oracle_pool_stats';
const POSTGRES_HEALTH_KEY = 'postgres_pool_stats';
const ORACLE_PROGRAM_PATTERN = 'node%'; // Default pattern for Oracle
const POSTGRES_APP_NAME_PATTERN = 'nodejs%'; // Default pattern for PostgreSQL
@Injectable()
export class DbPoolStatsIndicator extends HealthIndicator {
private readonly logger = new Logger(DbPoolStatsIndicator.name);
constructor(
@InjectConnection('oracle') private oracleConnection: DataSource,
@InjectConnection('postgres') private postgresConnection: DataSource,
@InjectConnection('oracle') private readonly oracleDataSource: DataSource,
@InjectConnection('postgres') private readonly postgresDataSource: DataSource,
) {
super();
}
async checkOraclePoolStats(): Promise<HealthIndicatorResult> {
const key = 'oracle_pool';
/**
* Verifica a integridade do pool de conexões Oracle consultando V$SESSION.
* Observações: Requer privilégios SELECT em V$SESSION e depende da coluna PROGRAM.
* Isso verifica principalmente a acessibilidade do banco de dados e o sucesso da execução da consulta.
* Considere estatísticas de pool em nível de driver para obter uma integridade de pool mais precisa, se disponível.
*
* @param key Custom key for the health indicator component.
* @param programLike Optional pattern to match the PROGRAM column in V$SESSION.
*/
async checkOraclePoolStats(
key: string = ORACLE_HEALTH_KEY,
programLike: string = ORACLE_PROGRAM_PATTERN,
): Promise<HealthIndicatorResult> {
try {
const queryResult = await this.oracleConnection.query(`
SELECT
'ORACLEDB_POOL' as source,
COUNT(*) as total_connections
FROM
V$SESSION
WHERE
TYPE = 'USER'
AND PROGRAM LIKE 'nodejs%'
`);
// Usar parâmetros de consulta é uma boa prática, embora menos crítica para LIKE com um padrão fixo.
// Oracle usa a sintaxe :paramName
const query = `
SELECT
COUNT(*) AS "totalConnections" -- Use quoted identifiers if needed, or match case below
FROM
V$SESSION
WHERE
TYPE = 'USER'
AND PROGRAM LIKE :pattern
`;
const params = { pattern: programLike };
const status = {
isHealthy: true,
totalConnections: queryResult?.[0]?.total_connections || 0,
connectionClass: 'PORTALJURU',
const results: { totalConnections: number | string }[] =
await this.oracleDataSource.query(query, [params.pattern]); // Pass parameters as an array for Oracle usually
if (!results || results.length === 0) {
this.logger.warn(`Oracle V$SESSION query returned no results for pattern '${programLike}'`);
}
const totalConnections = parseInt(String(results?.[0]?.totalConnections ?? 0), 10);
if (isNaN(totalConnections)) {
throw new Error('Failed to parse totalConnections from Oracle V$SESSION query result.');
}
// isHealthy é verdadeiro se a consulta for executada sem gerar um erro.
// Adicione lógica aqui se contagens de conexão específicas indicarem estado não íntegro (por exemplo, > poolMax)
const isHealthy = true;
const details = {
totalConnections: totalConnections,
programPattern: programLike,
};
return this.getStatus(key, status.isHealthy, {
totalConnections: status.totalConnections,
connectionClass: status.connectionClass,
});
return this.getStatus(key, isHealthy, details);
} catch (error) {
// Em caso de erro, ainda retornar um status (não saudável)
return this.getStatus(key, false, {
message: `Erro ao obter estatísticas do pool Oracle: ${error.message}`,
});
this.logger.error(`Oracle pool stats check failed for key "${key}": ${error.message}`, error.stack);
throw new HealthCheckError(
`${key} check failed`,
this.getStatus(key, false, { message: error.message }),
);
}
}
async checkPostgresPoolStats(): Promise<HealthIndicatorResult> {
const key = 'postgres_pool';
/**
* Verifica a integridade do pool de conexões do PostgreSQL consultando pg_stat_activity.
* Observações: Depende de o application_name estar definido corretamente na string de conexão ou nas opções.
* Isso verifica principalmente a acessibilidade do banco de dados e o sucesso da execução da consulta.
* Considere estatísticas de pool em nível de driver para obter uma integridade de pool mais precisa, se disponível.
*
* @param key Custom key for the health indicator component.
* @param appNameLike Optional pattern to match the application_name column.
*/
async checkPostgresPoolStats(
key: string = POSTGRES_HEALTH_KEY,
appNameLike: string = POSTGRES_APP_NAME_PATTERN,
): Promise<HealthIndicatorResult> {
try {
// Obter estatísticas do pool PostgreSQL
const queryResult = await this.postgresConnection.query(`
SELECT
count(*) as total_connections,
sum(CASE WHEN state = 'active' THEN 1 ELSE 0 END) as active_connections,
sum(CASE WHEN state = 'idle' THEN 1 ELSE 0 END) as idle_connections
FROM
pg_stat_activity
WHERE
const query = `
SELECT
count(*) AS "totalConnections",
sum(CASE WHEN state = 'active' THEN 1 ELSE 0 END) AS "activeConnections",
sum(CASE WHEN state = 'idle' THEN 1 ELSE 0 END) AS "idleConnections",
sum(CASE WHEN state = 'idle in transaction' THEN 1 ELSE 0 END) AS "idleInTransactionConnections"
FROM
pg_stat_activity
WHERE
datname = current_database()
AND application_name LIKE 'nodejs%'
`);
AND application_name LIKE $1
`;
const params = [appNameLike];
const status = {
isHealthy: true,
totalConnections: parseInt(queryResult?.[0]?.total_connections) || 0,
activeConnections: parseInt(queryResult?.[0]?.active_connections) || 0,
idleConnections: parseInt(queryResult?.[0]?.idle_connections) || 0,
const results: {
totalConnections: string | number;
activeConnections: string | number;
idleConnections: string | number;
idleInTransactionConnections: string | number;
}[] = await this.postgresDataSource.query(query, params);
if (!results || results.length === 0) {
throw new Error('PostgreSQL pg_stat_activity query returned no results unexpectedly.');
}
const result = results[0];
const totalConnections = parseInt(String(result.totalConnections ?? 0), 10);
const activeConnections = parseInt(String(result.activeConnections ?? 0), 10);
const idleConnections = parseInt(String(result.idleConnections ?? 0), 10);
const idleInTransactionConnections = parseInt(String(result.idleInTransactionConnections ?? 0), 10);
// Validate parsing
if (isNaN(totalConnections) || isNaN(activeConnections) || isNaN(idleConnections) || isNaN(idleInTransactionConnections)) {
throw new Error('Failed to parse connection counts from PostgreSQL pg_stat_activity query result.');
}
const isHealthy = true;
const details = {
totalConnections,
activeConnections,
idleConnections,
idleInTransactionConnections,
applicationNamePattern: appNameLike,
};
return this.getStatus(key, status.isHealthy, {
totalConnections: status.totalConnections,
activeConnections: status.activeConnections,
idleConnections: status.idleConnections,
});
return this.getStatus(key, isHealthy, details);
} catch (error) {
// Em caso de erro, ainda retornar um status (não saudável)
return this.getStatus(key, false, {
message: `Erro ao obter estatísticas do pool PostgreSQL: ${error.message}`,
});
this.logger.error(`PostgreSQL pool stats check failed for key "${key}": ${error.message}`, error.stack);
throw new HealthCheckError(
`${key} check failed`,
this.getStatus(key, false, { message: error.message }),
);
}
}
}
/**
* Convenience method to run all pool checks defined in this indicator.
* You would typically call this from your main HealthController.
*/
async checkAllPools() : Promise<HealthIndicatorResult[]> {
const results = await Promise.allSettled([
this.checkOraclePoolStats(),
this.checkPostgresPoolStats()
]);
// Processa os resultados para se ajustar à estrutura do Terminus, se necessário, ou retorna diretamente
// Observações: Métodos individuais já retornam HealthIndicatorResult ou lançam HealthCheckError
// Este método pode não ser estritamente necessário se você chamar verificações individuais no controlador.
// Para simplificar, vamos supor que o controlador chama as verificações individuais.
// Se você quisesse que esse método retornasse um único status, precisaria de mais lógica.
// Relançar erros ou agregar status.
// Example: Log results (individual methods handle the Terminus return/error)
results.forEach(result => {
if (result.status === 'rejected') {
// Already logged and thrown as HealthCheckError inside the check methods
} else {
// Optionally log success details
this.logger.log(`Pool check successful: ${JSON.stringify(result.value)}`);
}
});
return results
.filter((r): r is PromiseFulfilledResult<HealthIndicatorResult> => r.status === 'fulfilled')
.map(r => r.value);
}
}

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@@ -16,7 +16,6 @@ export class TypeOrmHealthIndicator extends HealthIndicator {
const key = 'oracle';
try {
// Verifica se a conexão com Oracle está funcionando
const isHealthy = this.oracleConnection.isInitialized;
const result = this.getStatus(key, isHealthy);
@@ -27,7 +26,6 @@ export class TypeOrmHealthIndicator extends HealthIndicator {
throw new HealthCheckError('Oracle healthcheck failed', result);
} catch (error) {
// Se houver qualquer erro, consideramos a conexão como não saudável
const result = this.getStatus(key, false, { message: error.message });
throw new HealthCheckError('Oracle healthcheck failed', result);
}
@@ -37,7 +35,6 @@ export class TypeOrmHealthIndicator extends HealthIndicator {
const key = 'postgres';
try {
// Verifica se a conexão com Postgres está funcionando
const isHealthy = this.postgresConnection.isInitialized;
const result = this.getStatus(key, isHealthy);
@@ -48,7 +45,6 @@ export class TypeOrmHealthIndicator extends HealthIndicator {
throw new HealthCheckError('Postgres healthcheck failed', result);
} catch (error) {
// Se houver qualquer erro, consideramos a conexão como não saudável
const result = this.getStatus(key, false, { message: error.message });
throw new HealthCheckError('Postgres healthcheck failed', result);
}

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@@ -1,32 +0,0 @@
"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
exports.__esModule = true;
exports.OrdersModule = void 0;
var common_1 = require("@nestjs/common");
var orders_controller_1 = require("../controllers/orders.controller");
var orders_service_1 = require("../application/orders.service");
var orders_repository_1 = require("../repositories/orders.repository");
var database_module_1 = require("../../core/database/database.module");
var config_1 = require("@nestjs/config");
var OrdersModule = /** @class */ (function () {
function OrdersModule() {
}
OrdersModule = __decorate([
common_1.Module({
imports: [
config_1.ConfigModule,
database_module_1.DatabaseModule,
],
controllers: [orders_controller_1.OrdersController],
providers: [orders_service_1.OrdersService, orders_repository_1.OrdersRepository],
exports: [orders_service_1.OrdersService]
})
], OrdersModule);
return OrdersModule;
}());
exports.OrdersModule = OrdersModule;