kaanalnet/lib/utils/bonding.js

Virtual Network Emulator Lab for SDN and traditional networks

// Generated by CoffeeScript 1.9.3
(function() {
  var async, enableBonding, exec, execute, fs, util;

  util = require('util');

  exec = require('child_process').exec;

  async = require('async');

  fs = require('fs');

  execute = function(command, callback) {
    if (command == null) {
      callback(false);
    }
    util.log("executing " + command + "...");
    return exec(command, (function(_this) {
      return function(error, stdout, stderr) {
        if (error) {
          return callback(false);
        } else {
          return callback(true);
        }
      };
    })(this));
  };

  enableBonding = function(callback) {
    var bondifs;
    bondifs = ["bond1", "bond2", "bond3", "bond4"];
    return async.series([
      (function(_this) {
        return function(callback) {
          var command, filename, text;
          console.log("create bonding interface");
          filename = "/etc/modprobe.d/bonding.conf";
          text = "alias bond0 bonding \noptions bonding mode=4\n";
          fs.writeFileSync(filename, text);
          command = "modprobe bonding";
          return execute(command, function(result) {
            console.log("Result ", result);
            if (result === false) {
              return callback(new Error('load bonding driver failed'));
            } else {
              return callback(null, "load bonding driver success");
            }
          });
        };
      })(this), (function(_this) {
        return function(callback) {
          console.log("creating a multiple  bond interfaces");
          console.log(bondifs);
          return async.each(bondifs, function(ifname, callback) {
            var command;
            console.log("interface  " + ifname);
            command = "echo \"+" + ifname + "\" > /sys/class/net/bonding_masters";
            return execute(command, function(result) {
              command = "echo \"4\" > /sys/class/net/" + ifname + "/bonding/mode";
              return execute(command, function(result) {
                console.log("Result ", result);
                if (result === false) {
                  return callback(new Error('create bond interface failed'));
                } else {
                  return callback(null);
                }
              });
            });
          }, function(err) {
            if (err) {
              console.log("creating multiple bond inferfaces failed - error occured " + JSON.stringify(err));
              return callback(err);
            } else {
              console.log("creating muliple bond interfaces - success ");
              return callback(null, "creating multiple bond interfaces - success");
            }
          });
        };
      })(this)
    ], (function(_this) {
      return function(err, result) {
        console.log("Bonding -  RUN result is  %s ", result);
        if (err) {
          return callback(false);
        }
        if (!err) {
          return callback(true);
        }
      };
    })(this));
  };

  module.exports = enableBonding;

}).call(this);