gelf-file

gelf-file

Gelf formatted log files.

Installation

npm install gelf-file

Arguments

• file String: The path for the log file.
• opts Object:
  • logLevel : The log level for the application.
  • timestamp The format for the timestamp. See time-stamp
• args Object : An object containing parameters that should be added to each log entry.

Log Levels

Mirror that of syslog:

• 0 EMERGENCY system unusable
• 1 ALERT immediate action required
• 2 CRITICAL condition critical
• 3 ERROR condition error
• 4 WARNING condition warning
• 5 NOTICE condition normal, but significant
• 6 INFO a purely informational message
• 7 DEBUG debugging information

Usage

const logger = require('gelf-file')('./app.log', {logLevel: 'WARNING'}, {app: 'my-app'});
logger.log('DEBUG', 'started app');

API

Parameters

• logLevel String - The desired log level. Valid values are listed in the log level list above.
• message String - The log message.
• tags Object - Additional information to store with the log message.

Functions

• log(logLevel, message, tags) - Creates a log entry for the desired log level.
• emergency(message, tags) - Creates an emergency log entry.
• alert(message, tags) - Creates an alert log entry.
• critical(message, tags) - Creates an critical log entry.
• error(message, tags) - Creates an error log entry.
• warning(message, tags) - Creates an warning log entry.
• notice(message, tags) - Creates an notice log entry.
• info(message, tags) - Creates an info log entry.
• debug(message, tags) - Creates an debug log entry.

Inspiration

This project was inspired by log