get ip address for given interface

get-address.js

'use strict';

var os = require('os');


function findIp (ifname) {
  var ifaces = os.networkInterfaces()
  var ifname = ifname || 'eth0'

  var iface = ifaces[ifname].find(function (iface) {
    if ('IPv4' !== iface.family || iface.internal !== false) {
      return false;
    }

    return true
  })

  return iface.address
}

module.exports = findIp