fixed shutdown
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parent
00fbd31364
commit
73399ef142
2 changed files with 172 additions and 28 deletions
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@ -3,15 +3,15 @@
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* Encapsulates common patterns for Hono-based microservices
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*/
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import type { AwilixContainer } from 'awilix';
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import { Hono } from 'hono';
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import { cors } from 'hono/cors';
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import type { BaseAppConfig, UnifiedAppConfig } from '@stock-bot/config';
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import { toUnifiedConfig } from '@stock-bot/config';
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import type { HandlerRegistry } from '@stock-bot/handler-registry';
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import { getLogger, setLoggerConfig, shutdownLoggers, type Logger } from '@stock-bot/logger';
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import { Shutdown, SHUTDOWN_DEFAULTS } from '@stock-bot/shutdown';
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import type { IServiceContainer } from '@stock-bot/types';
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import type { AwilixContainer } from 'awilix';
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import { Hono } from 'hono';
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import { cors } from 'hono/cors';
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import type { ServiceDefinitions } from './container/types';
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/**
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@ -164,19 +164,30 @@ export class ServiceApplication {
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* Register graceful shutdown handlers
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*/
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private registerShutdownHandlers(): void {
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this.logger.info('Registering shutdown handlers', {
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service: this.serviceConfig.serviceName,
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scheduledJobs: this.serviceConfig.enableScheduledJobs,
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timeout: this.serviceConfig.shutdownTimeout
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});
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// Priority 1: Queue system (highest priority)
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if (this.serviceConfig.enableScheduledJobs) {
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this.shutdown.onShutdown(
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async () => {
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this.logger.info('Shutting down queue system...');
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const startTime = Date.now();
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try {
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const queueManager = this.container?.resolve('queueManager');
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if (queueManager) {
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await queueManager.shutdown();
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const duration = Date.now() - startTime;
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this.logger.info('Queue system shut down successfully', { duration });
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} else {
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this.logger.warn('No queue manager found to shut down');
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}
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this.logger.info('Queue system shut down');
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} catch (error) {
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this.logger.error('Error shutting down queue system', { error });
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const duration = Date.now() - startTime;
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this.logger.error('Error shutting down queue system', { error, duration });
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}
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},
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SHUTDOWN_DEFAULTS.HIGH_PRIORITY,
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@ -189,12 +200,17 @@ export class ServiceApplication {
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async () => {
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if (this.server) {
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this.logger.info('Stopping HTTP server...');
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const startTime = Date.now();
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try {
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this.server.stop();
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this.logger.info('HTTP server stopped');
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const duration = Date.now() - startTime;
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this.logger.info('HTTP server stopped successfully', { duration });
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} catch (error) {
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this.logger.error('Error stopping HTTP server', { error });
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const duration = Date.now() - startTime;
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this.logger.error('Error stopping HTTP server', { error, duration });
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}
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} else {
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this.logger.warn('No HTTP server to stop');
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}
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},
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SHUTDOWN_DEFAULTS.HIGH_PRIORITY,
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@ -220,28 +236,62 @@ export class ServiceApplication {
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this.shutdown.onShutdown(
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async () => {
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this.logger.info('Disposing services and connections...');
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const startTime = Date.now();
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const disposed: string[] = [];
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const failed: string[] = [];
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try {
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if (this.container) {
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// Disconnect database clients
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const mongoClient = this.container.resolve('mongoClient');
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if (mongoClient?.disconnect) {
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try {
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const mongoStart = Date.now();
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await mongoClient.disconnect();
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disposed.push(`MongoDB (${Date.now() - mongoStart}ms)`);
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} catch (error) {
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this.logger.error('Failed to disconnect MongoDB', { error });
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failed.push('MongoDB');
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}
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}
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const postgresClient = this.container.resolve('postgresClient');
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if (postgresClient?.disconnect) {
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try {
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const pgStart = Date.now();
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await postgresClient.disconnect();
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disposed.push(`PostgreSQL (${Date.now() - pgStart}ms)`);
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} catch (error) {
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this.logger.error('Failed to disconnect PostgreSQL', { error });
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failed.push('PostgreSQL');
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}
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}
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const questdbClient = this.container.resolve('questdbClient');
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if (questdbClient?.disconnect) {
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try {
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const questStart = Date.now();
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await questdbClient.disconnect();
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disposed.push(`QuestDB (${Date.now() - questStart}ms)`);
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} catch (error) {
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this.logger.error('Failed to disconnect QuestDB', { error });
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failed.push('QuestDB');
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}
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}
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this.logger.info('All services disposed successfully');
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const duration = Date.now() - startTime;
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this.logger.info('Service disposal completed', {
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duration,
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disposed,
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failed,
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success: failed.length === 0
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});
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} else {
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this.logger.warn('No container available for service disposal');
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}
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} catch (error) {
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this.logger.error('Error disposing services', { error });
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const duration = Date.now() - startTime;
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this.logger.error('Error disposing services', { error, duration, disposed, failed });
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}
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},
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SHUTDOWN_DEFAULTS.MEDIUM_PRIORITY,
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@ -253,15 +303,23 @@ export class ServiceApplication {
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async () => {
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try {
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this.logger.info('Shutting down loggers...');
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// const startTime = Date.now();
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await shutdownLoggers();
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// Don't log after shutdown
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} catch {
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// Silently ignore logger shutdown errors
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// Log one final message before shutdown
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// console.log(`[${new Date().toISOString()}] Loggers shut down successfully (${Date.now() - startTime}ms)`);
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} catch (error) {
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// Use console.error since logger might be partially shut down
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console.error(`[${new Date().toISOString()}] Error shutting down loggers:`, error);
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}
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},
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SHUTDOWN_DEFAULTS.LOW_PRIORITY,
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'Loggers'
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);
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this.logger.info('All shutdown handlers registered', {
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service: this.serviceConfig.serviceName,
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handlerCount: 3 + (this.serviceConfig.enableScheduledJobs ? 1 : 0) + (this.hooks.onBeforeShutdown ? 1 : 0)
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});
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}
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/**
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@ -15,10 +15,13 @@ export class Shutdown {
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private shutdownTimeout: number;
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private callbacks: CallbackEntry[] = [];
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private signalHandlersRegistered = false;
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private shutdownPromise: Promise<void> | null = null;
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private triggerSignal: string | null = null;
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constructor(options: ShutdownOptions = {}) {
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this.shutdownTimeout = options.timeout || SHUTDOWN_DEFAULTS.TIMEOUT;
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if (options.autoRegister !== false) {
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// Register signal handlers immediately in constructor
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this.setupSignalHandlers();
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}
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}
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@ -30,6 +33,17 @@ export class Shutdown {
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return Shutdown.instance;
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}
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/**
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* Get current shutdown status
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*/
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getStatus(): { isShuttingDown: boolean; signal: string | null; callbackCount: number } {
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return {
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isShuttingDown: this.isShuttingDown,
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signal: this.triggerSignal,
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callbackCount: this.callbacks.length
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};
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}
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/**
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* Register a cleanup callback
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*/
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@ -47,13 +61,42 @@ export class Shutdown {
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/**
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* Initiate graceful shutdown
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*/
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async shutdown(): Promise<void> {
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async shutdown(signal?: string): Promise<void> {
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// If already shutting down, return the existing promise
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if (this.shutdownPromise) {
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this.logger.warn('Shutdown already in progress, ignoring additional request', {
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originalSignal: this.triggerSignal,
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newSignal: signal
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});
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return this.shutdownPromise;
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}
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if (this.isShuttingDown) {
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return;
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this.logger.warn('Shutdown flag already set but no promise, creating new shutdown');
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}
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this.isShuttingDown = true;
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this.triggerSignal = signal || 'manual';
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this.logger.info('Starting graceful shutdown', {
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signal: this.triggerSignal,
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timeout: this.shutdownTimeout,
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callbackCount: this.callbacks.length
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});
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// Create and store the shutdown promise
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this.shutdownPromise = this.performShutdown();
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try {
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await this.shutdownPromise;
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this.logger.info('Graceful shutdown completed successfully');
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} catch (error) {
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this.logger.error('Shutdown failed', { error, signal: this.triggerSignal });
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throw error;
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}
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}
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private async performShutdown(): Promise<void> {
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const timeout = new Promise<never>((_, reject) =>
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setTimeout(() => reject(new Error('Shutdown timeout')), this.shutdownTimeout)
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);
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@ -61,7 +104,6 @@ export class Shutdown {
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try {
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await Promise.race([this.executeCallbacks(), timeout]);
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} catch (error) {
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this.logger.error('Shutdown failed', error);
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throw error;
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}
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}
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@ -69,35 +111,79 @@ export class Shutdown {
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private async executeCallbacks(): Promise<void> {
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const sorted = [...this.callbacks].sort((a, b) => a.priority - b.priority);
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for (const { callback, name } of sorted) {
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this.logger.debug('Executing shutdown callbacks', {
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count: sorted.length,
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callbacks: sorted.map(c => ({ name: c.name || 'unnamed', priority: c.priority }))
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});
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let completed = 0;
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let failed = 0;
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for (const { callback, name, priority } of sorted) {
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const callbackName = name || 'unnamed';
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try {
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this.logger.debug(`Starting shutdown callback: ${callbackName}`, { priority });
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const startTime = Date.now();
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await callback();
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const duration = Date.now() - startTime;
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completed++;
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this.logger.debug(`Completed shutdown callback: ${callbackName}`, { duration, priority });
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} catch (error) {
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this.logger.error(`Shutdown callback failed: ${name || 'unnamed'}`, error);
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failed++;
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this.logger.error(`Shutdown callback failed: ${callbackName}`, { error, priority });
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}
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}
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this.logger.info('Shutdown callbacks execution completed', {
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total: sorted.length,
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completed,
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failed
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});
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}
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private setupSignalHandlers(): void {
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if (this.signalHandlersRegistered) {
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this.logger.debug('Signal handlers already registered');
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return;
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}
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const signals: NodeJS.Signals[] = ['SIGTERM', 'SIGINT'];
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signals.forEach(signal => {
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process.once(signal, async () => {
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if (!this.isShuttingDown) {
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// Use process.on instead of process.once to handle multiple signals
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process.on(signal, async () => {
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this.logger.info(`Received ${signal} signal`);
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// If already shutting down, ignore the signal
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if (this.isShuttingDown || this.shutdownPromise) {
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this.logger.info(`Already shutting down, ignoring ${signal}`);
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return;
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}
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try {
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await this.shutdown();
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await this.shutdown(signal);
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// Add small delay to ensure logs are flushed
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await new Promise(resolve => setTimeout(resolve, 100));
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this.logger.info('Exiting process with code 0');
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process.exit(0);
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} catch {
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} catch (error) {
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this.logger.error('Shutdown error, exiting with code 1', { error });
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// Add small delay to ensure error logs are flushed
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await new Promise(resolve => setTimeout(resolve, 100));
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process.exit(1);
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}
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}
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});
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this.logger.debug(`Registered handler for ${signal}`);
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});
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this.signalHandlersRegistered = true;
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this.logger.info('Signal handlers registered for graceful shutdown', { signals });
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}
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}
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