Clients

The messages published by napalm-logs can be used in a variety of applications, as there are no restrictions regarding the channel (see Publisher).

The capabilities are already embedded in well known Frameworks, or the user can consume the structured messages using custom Example Scripts.

Frameworks

• Salt
• StackStorm

Example Scripts

For simplicity, the examples below assume that napalm-logs is started using –disable-security, and ZeroMQ is used as publisher.

Python

Receive the messages from napalm-logs and print on the command line:

import zmq
import napalm_logs.utils

server_address = '127.0.0.1'  # --publish-address
server_port = 49017           # --publish-port

context = zmq.Context()
socket = context.socket(zmq.SUB)
socket.connect('tcp://{address}:{port}'.format(address=server_address,
                                               port=server_port))
socket.setsockopt(zmq.SUBSCRIBE, '')

while True:
    raw_object = socket.recv()
    print(napalm_logs.utils.unserialize(raw_object))

JavaScript (Node.js)

Receive the napalm-logs messages into a Node.js app, which only logs on the console. This assumes zeromq.js and msgpack-lite bindings are installed (npm install zeromq and npm install msgpack-lite).

var zmq = require('zeromq')
var msgpack = require('msgpack-lite');
var sock = zmq.socket('sub');
sock.connect('tcp://127.0.0.1:49017');
sock.subscribe('');
sock.on('message', function(msg){
    var data = msgpack.decode(msg);
    console.log('Received message:');
    console.log(data);
});