38 lines
1.7 KiB
JavaScript
38 lines
1.7 KiB
JavaScript
const path = require('path');
|
|
const fs = require('fs');
|
|
const winston = require('winston');
|
|
const moment = require('moment');
|
|
|
|
// Application/event logger (distinct from the DB audit trail, which records user data changes). This
|
|
// captures operational events — HTTP requests, and outbound integration activity (SMTP, webhook, Teams,
|
|
// ServiceNow, Workday) — as JSON lines in data/logs/app.log (size-rotated), readable by the Application
|
|
// Logs admin screen. A console transport keeps a readable line on stdout for local development.
|
|
|
|
const DATA_DIR = process.env.DEPRECORE_DATA_DIR || path.join(process.cwd(), 'data');
|
|
const LOG_DIR = path.join(DATA_DIR, 'logs');
|
|
fs.mkdirSync(LOG_DIR, { recursive: true });
|
|
const LOG_FILE = path.join(LOG_DIR, 'app.log');
|
|
|
|
const logger = winston.createLogger({
|
|
level: process.env.DEPRECORE_LOG_LEVEL || 'info',
|
|
format: winston.format.combine(winston.format.timestamp(), winston.format.json()),
|
|
transports: [
|
|
new winston.transports.File({ filename: LOG_FILE, maxsize: 5 * 1024 * 1024, maxFiles: 5, tailable: true }),
|
|
new winston.transports.Console({
|
|
format: winston.format.printf((info) => `${moment().format()} [${info.category || 'system'}] ${info.level}: ${info.message}`)
|
|
})
|
|
]
|
|
});
|
|
|
|
// Structured event logger. `category` groups the event (http | smtp | webhook | teams | servicenow |
|
|
// workday | system); `meta` is arbitrary structured detail. Never throws — logging must not break a flow.
|
|
function logEvent(category, message, meta = {}, level = 'info') {
|
|
try {
|
|
logger.log({ level, category: category || 'system', message, ...meta });
|
|
} catch {
|
|
// swallow — a logging failure should never affect the request it describes
|
|
}
|
|
}
|
|
|
|
module.exports = { logger, logEvent, LOG_FILE, LOG_DIR };
|