hapi-madero

A HapiJS plugin for writing logs to files

HapiJS plugin for writing logs to files. It creates 5 different files, depending on the log type ('info', 'error', 'warning', 'request', 'plugin'). I find it useful for services like splunk which can read logs from the server directly.

Installing

npm install hapi-madero

Usage

Here is a snippet of a basic setup:

// Deps =========================================
const Hapi = require('hapi');
const Madero = require('hapi-madero');

// Server =======================================
const server = new Hapi.Server({ debug: false });

// Server Connection ============================
server.connection({ port: 3000, host: 'localhost' });

// Madero Options ===============================
const maderoOptions = { path: './logs' };

// Adding Madero Plugin =========================
server.register({ register: Madero, options: maderoOptions }, err => {

	if (err) {
        console.log('[ERROR]:', 'Failed loading plugin: hapi-madero,', err);
    }

    server.route({
        method: 'GET',
        path: '/',
        handler: (request, reply) => {

            request.log(['test'], { message: 'test', foo: 'bar' });
            return reply('ok')
        }
    });

    // Logging all responses
    server.on('response', (request) => {

        const response = request.response;
        let statusCode = response.statusCode;
        let message = 'Auto request log';
        let entry = { statusCode, message };
        let error;

        if (response.isBoom) {
            statusCode = response.output.payload.statusCode;
            message = response.message;
            error = response.output.payload;
            entry = { statusCode, message, error };

            // Logs error
            return request.log(['error', 'boom'], entry);
        }

        // Log every request
        return request.log(['info'], entry);
    });

    server.start(err => {

        if (err) {
            server.plugins['hapi-madero'].console(err, 'error');
        }
        server.log(['info', 'app', 'start'], {
            message: `Hapi-Madero server started`,
            port: server.info.port,
            protocol: server.info.protocol,
            uri: server.info.uri,
            address: server.info.address
        });
    });
});

Plugin Options

path - String

Madero needs to know where to save the files, this will tell madero where the log files will be saved. I.E.: ./logs will create a directory in the project root called 'logs'. Defaults to path.resolve(path.dirname(require.main.filename), './logs') (which will create the directory where the main file is run)

stopTimeoutMsec - Number

Overrides the timeout in millisecond before forcefully terminating a connection. Defaults to 15000 (15 seconds)

silent - Boolean

If you do not want to see every log in the console. Defaults to false

signals - Boolean

Whether you want madero to handle SIGTERM or SIGINT. Defaults to true

exceptions - Boolean

Whether you want madero to handle uncaughtException or unhandledRejection. Defaults to true

timestampKey - String

In case you need to specify the timestamp key for the events, you can change it here. Defaults to @timestamp

unixStamp - Boolean

By default, each event timestamp is set to a ISO string: YYYY-MM-DDTHH:mm:ss.sssZ, changing this to true will change to a unix stamp of 13 numbers.

Plugin Methods

write (options, [callback])

options - required - Object

Recieves a the following:

• async - Boolean - Wether to write to file async or not
• request - Object - The request object
• entry - Object - The entry that will be written to file. This expects the following:
  • message - required - String - Entry message
  • tags - required - Array - Array of strings used to identify the event. Tags are used instead of log levels and provide a much more expressive mechanism for describing and filtering events.
  • error - Object - An error object
  • data - Object - Any additional data to be saved with the entry

callback - function

Called once it has finshed writing to file

console (data, [type, [callback]])

data - Object

This will be the object that you want to log to console

type - String

Can be one of: error, info, warn. Defaults to info

callback - function

Called once it has finshed logging to console

License

This project is licensed under the MIT License - see the LICENSE.md file for details