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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | 1x 1x 1x 1x 1x 1x 1x 1x 1x | const fs = require('fs');
const path = require('path');
const winston = require('winston');
class Logger {
constructor() {
// Ensure logs directory exists
const logsDir = path.join(__dirname, '../logs');
Iif (!fs.existsSync(logsDir)) {
fs.mkdirSync(logsDir, { recursive: true });
}
this.logger = winston.createLogger({
level: 'info',
format: winston.format.combine(
winston.format.timestamp(),
winston.format.errors({ stack: true }),
winston.format.json()
),
defaultMeta: { service: 'logvista-agent' },
transports: [
// Write all logs with level 'error' and below to error.log
new winston.transports.File({
filename: path.join(logsDir, 'error.log'),
level: 'error'
}),
// Write all logs with level 'info' and below to combined.log
new winston.transports.File({
filename: path.join(logsDir, 'combined.log')
})
]
});
// Add console transport for development
Eif (process.env.NODE_ENV !== 'production') {
this.logger.add(new winston.transports.Console({
format: winston.format.combine(
winston.format.colorize(),
winston.format.simple()
)
}));
}
}
info(message, meta = {}) {
this.logger.info(message, meta);
}
error(message, meta = {}) {
this.logger.error(message, meta);
}
warn(message, meta = {}) {
this.logger.warn(message, meta);
}
debug(message, meta = {}) {
this.logger.debug(message, meta);
}
}
module.exports = new Logger();
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