@clickout/logger

A simple logger with four channels: info, error, http and rabbit.

It uses a hybrid logging system that allows to show only minimal info on console and save more detailed data on elasticsearch.

Installation

npm install @clickout/logger

Usage

const Logger = require('@clickout/logger');

const logger = new Logger({
  namespace: 'projectname',
  application: 'appname',
  transports: {
    console: {
      enabled: true,
      format: 'minimal',  // 'minimal' to print only the message, 'full' to print the entire log
      exclude: ['http']
    },
    elasticsearch: {
      enabled: true,
      clientOpts: {
        node: 'http://localhost:9200'
      }
    }
  },
  blacklist: ['accessToken']
});

logger.info('Preparing data...', { customer: { id: 52, email: '[email protected]' }}, { elasticsearch: false });
logger.error('An error occurred', { error: new Error('Invalid parameter') });
logger.http('Http request received', { method: 'GET', url: '/' }, { console: false });
logger.rabbit('Received a new message', { message: { routingKey: 'customer.created', content: { id: 52 }}});

Logs are stored on elasticsearch using indexes in the following format logs-<namespace>-<level>-YYYY.MM.

You can pass a third options parameter to disable console or elasticsearch logging for a specific log.

Use the blacklist option to obscure certain properties with ********.