telex-server-monitor-sdk/dist/utils/logger.js

SDK for Telex Server Monitor - A lightweight agent that collects and reports server CPU metrics to the Telex monitoring platform

import winston from "winston";
import path from "path";
import os from "os";
// Define log directory
const LOG_DIR = path.join(os.homedir(), ".telex-monitor", "logs");
// Create the logger format
const logFormat = winston.format.combine(winston.format.timestamp({ format: "YYYY-MM-DD HH:mm:ss" }), winston.format.errors({ stack: true }), winston.format.splat(), winston.format.json());
// Create the console format
const consoleFormat = winston.format.combine(winston.format.colorize(), winston.format.timestamp({ format: "YYYY-MM-DD HH:mm:ss" }), winston.format.printf(({ level, message, timestamp, module }) => {
    return `${timestamp} [${module || "app"}] ${level}: ${message}`;
}));
/**
 * Create a logger instance for a specific module
 * @param moduleName The name of the module
 * @returns A Winston logger instance
 */
export function createLogger(moduleName) {
    return winston.createLogger({
        level: process.env.LOG_LEVEL || "info",
        defaultMeta: { module: moduleName },
        format: logFormat,
        transports: [
            // Console transport
            new winston.transports.Console({
                format: consoleFormat,
            }),
            // File transport for all logs
            new winston.transports.File({
                filename: path.join(LOG_DIR, "telex-monitor.log"),
                maxsize: 5242880, // 5MB
                maxFiles: 5,
            }),
            // File transport for error logs
            new winston.transports.File({
                filename: path.join(LOG_DIR, "error.log"),
                level: "error",
                maxsize: 5242880, // 5MB
                maxFiles: 5,
            }),
        ],
    });
}
// Create a default logger
export const logger = createLogger("app");