logdna-winston
Advanced tools
Node.js Winston library for logging to LogDNA
$ npm install --save logdna-winston
Please see @logdna/logger for instantiation options to passthrough to LogDNA's logger client.
This module also provides a transport object, which can be added to winston using:
const logdnaWinston = require('logdna-winston');
const winston = require('winston');
const logger = winston.createLogger({});
const options = {
key: apikey,
hostname: myHostname,
ip: ipAddress,
mac: macAddress,
app: appName,
env: envName,
level: level, // Default to debug, maximum level of log, doc: https://github.com/winstonjs/winston#logging-levels
indexMeta: true // Defaults to false, when true ensures meta object will be searchable
}
// Only add this line in order to track exceptions
options.handleExceptions = true;
logger.add(new logdnaWinston(options));
// log with meta
logger.log({
level: 'info'
, message: 'Log from LogDNA-winston'
, indexMeta: true // Optional. If not provided, it will use the default.
, data:'Some information' // Properties besides level, message and indexMetaare considered as "meta"
, error: new Error("It's a trap.") // Transport will parse the error object under property 'error'
})
// log without meta
logger.info('Info: Log from LogDNA-winston');
// A payload without 'message' will log the stringified object as the message
logger.info({
key: 'value'
, text: 'This is some text to get logged'
, bool: true
})
As per the Winston documentation, custom log levels may be used. In order to use such levels in LogDNA, custom levels must be defined for that logger as well.
const levels = {
error: 0
, warn: 1
, info: 2
, http: 3
, verbose: 4
, loquacious: 5
, ludicrous: 6
}
const logger = winston.createLogger({
levels
, level: 'ludicrous' // needed, or else it won't log levels <= to 'info'
})
const logdna_options = {
key: 'abc123'
, levels: Object.keys(levels)
}
logger.add(new logdnaWinston(logdna_options))
// Now the custom levels can be logged in Winston and LogDNA
logger.ludicrous('Some text')
logger.log({
msg: 'Custom level log message'
, key: 'value'
, bool: true
, level: 'loquacious'
})
Thanks goes to these wonderful people (emoji key):
 Muaz Siddiqui 💻 📖 |  Samir Musali 💻 📖 |  Darin Spivey 💻 📖 |  Mike Huang 💻 📖 |  Brian Conn 📖 |  Mario Casciaro 💻 |  vilyapilya 🔧 |
 Mike Del Tito 💻 🔧 |
This project follows the all-contributors specification. Contributions of any kind welcome!
Copyright © LogDNA, released under an MIT license. See the LICENSE file and https://opensource.org/licenses/MIT
Happy Logging!
4.0.1 (2021-09-21)
FAQs
LogDNA's Node.js logging module with support for Winston
The npm package logdna-winston receives a total of 3,254 weekly downloads. As such, logdna-winston popularity was classified as popular.
We found that logdna-winston demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 4 open source maintainers collaborating on the project.
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