mecano/lib/core/iptables.js

Common functions for system deployment.

// Generated by CoffeeScript 1.11.1
var iptables;

module.exports = function(options, callback) {
  options.log({
    message: "Entering iptables",
    level: 'DEBUG',
    module: 'mecano/lib/iptables'
  });
  options.log({
    message: "List existing rules",
    level: 'INFO',
    module: 'mecano/lib/iptables'
  });
  return this.execute({
    cmd: "service iptables status &>/dev/null && iptables -S",
    code_skipped: 3
  }, (function(_this) {
    return function(err, executed, stdout) {
      var cmd, newrules, oldrules;
      if (err) {
        return callback(err);
      }
      if (!executed) {
        return callback(Error("Service iptables not started"));
      }
      oldrules = iptables.parse(stdout);
      newrules = iptables.normalize(options.rules);
      cmd = iptables.cmd(oldrules, newrules);
      if (!cmd.length) {
        return callback();
      }
      options.log({
        message: cmd.length + " modified rules",
        level: 'WARN',
        module: 'mecano/lib/iptables'
      });
      return _this.execute({
        cmd: (cmd.join('; ')) + "; service iptables save;",
        trap: true
      }, function(err, executed) {
        return callback(err, true);
      });
    };
  })(this));
};

iptables = require('../misc/iptables');