mecano/lib/system_limits.js

Common functions for system deployment.

// Generated by CoffeeScript 1.9.1
var execute;

module.exports = function(options, callback) {
  var ref, ref1, write;
  if (!options.user) {
    return callback(new Error("Missing required option 'user'"));
  }
  if (options.nofile === true) {
    options.nofile;
  }
  if (options.nproc === true) {
    options.nproc = 65536;
  }
  if ((options.nofile != null) && ((ref = typeof options.nofile) !== 'number' && ref !== 'boolean')) {
    throw Error('Invalid option "nofile"');
  }
  if ((options.nproc != null) && ((ref1 = typeof options.nproc) !== 'number' && ref1 !== 'boolean')) {
    throw Error('Invalid option "nproc"');
  }
  if (options.destination == null) {
    options.destination = "/etc/security/limits.d/" + options.user + ".conf";
  }
  write = [];
  return this.execute({
    cmd: "ulimit -Hn",
    shy: true,
    "if": options.nofile === true
  }, function(err, status, stdout) {
    if (err) {
      return callback(err);
    }
    if (!status) {
      return;
    }
    return options.nofile = stdout.trim();
  }).call(function() {
    if (options.nofile == null) {
      return;
    }
    write.push({
      match: RegExp("^" + options.user + ".+nofile.+$", "m"),
      replace: options.user + "    -    nofile   " + options.nofile,
      append: true
    });
    return false;
  }).call(function() {
    if (options.nproc == null) {
      return;
    }
    write.push({
      match: RegExp("^" + options.user + ".+nproc.+$", "m"),
      replace: options.user + "    -    nproc   " + options.nproc,
      append: true
    });
    return false;
  }).write({
    destination: options.destination,
    write: write,
    eof: true,
    uid: options.uid,
    gid: options.gid,
    "if": function() {
      return write.length;
    }
  }).then(callback);
};

execute = require('./execute');