LogAnalyzer MCP Server

import * as dotenv from 'dotenv'; // Load environment variables from .env file dotenv.config(); export interface ServerConfig { geminiApiKey: string; logLevel: 'debug' | 'info' | 'warn' | 'error'; maxFileSize: number; // in bytes watchInterval: number; // in milliseconds maxContextTokens: number; defaultPollInterval: number; } class ConfigManager { private static instance: ConfigManager; private config: ServerConfig; private constructor() { this.config = this.loadConfig(); this.validateConfig(); } public static getInstance(): ConfigManager { if (!ConfigManager.instance) { ConfigManager.instance = new ConfigManager(); } return ConfigManager.instance; } private loadConfig(): ServerConfig { return { geminiApiKey: process.env.GEMINI_API_KEY || '', logLevel: (process.env.LOG_LEVEL as any) || 'info', maxFileSize: this.parseSize(process.env.MAX_FILE_SIZE || '10MB'), watchInterval: parseInt(process.env.WATCH_INTERVAL || '1000'), maxContextTokens: parseInt(process.env.MAX_CONTEXT_TOKENS || '8000'), defaultPollInterval: parseInt(process.env.DEFAULT_POLL_INTERVAL || '1000') }; } private validateConfig(): void { const errors: string[] = []; if (!this.config.geminiApiKey) { errors.push('GEMINI_API_KEY is required'); } if (this.config.maxFileSize <= 0) { errors.push('MAX_FILE_SIZE must be a positive number'); } if (this.config.watchInterval < 100) { errors.push('WATCH_INTERVAL must be at least 100ms'); } if (this.config.maxContextTokens < 1000) { errors.push('MAX_CONTEXT_TOKENS must be at least 1000'); } if (errors.length > 0) { throw new Error(`Configuration validation failed:\n${errors.join('\n')}`); } } private parseSize(sizeStr: string): number { const units = { 'B': 1, 'KB': 1024, 'MB': 1024 * 1024, 'GB': 1024 * 1024 * 1024 }; const match = sizeStr.match(/^(\d+(?:\.\d+)?)\s*(B|KB|MB|GB)$/i); if (!match) { throw new Error(`Invalid size format: ${sizeStr}. Use format like '10MB', '512KB', etc.`); } const value = parseFloat(match[1]); const unit = match[2].toUpperCase() as keyof typeof units; return Math.floor(value * units[unit]); } public getConfig(): ServerConfig { return { ...this.config }; } public get(key: keyof ServerConfig): any { return this.config[key]; } public updateConfig(updates: Partial<ServerConfig>): void { this.config = { ...this.config, ...updates }; this.validateConfig(); } public isDevelopment(): boolean { return process.env.NODE_ENV === 'development'; } public isProduction(): boolean { return process.env.NODE_ENV === 'production'; } public logConfigSummary(): void { const config = this.getConfig(); const summary = { logLevel: config.logLevel, maxFileSize: this.formatSize(config.maxFileSize), watchInterval: `${config.watchInterval}ms`, maxContextTokens: config.maxContextTokens, hasGeminiKey: !!config.geminiApiKey, environment: process.env.NODE_ENV || 'development' }; console.log('📋 Configuration Summary:'); console.log(JSON.stringify(summary, null, 2)); } private formatSize(bytes: number): string { const units = ['B', 'KB', 'MB', 'GB']; let size = bytes; let unitIndex = 0; while (size >= 1024 && unitIndex < units.length - 1) { size /= 1024; unitIndex++; } return `${size.toFixed(1)}${units[unitIndex]}`; } } // Export singleton instance export const config = ConfigManager.getInstance();