# encoding: utf-8 # author: Christoph Hartmann # author: Dominik Richter # license: All rights reserved # Verifies if a kernel module is loaded # Usage: # describe kernel_module('bridge') do # it { should be_loaded } # end class KernelModule < Vulcano.resource(1) name 'kernel_module' def initialize(modulename = nil) @module = modulename # this resource is only supported on Linux return skip_resource 'The `kernel_module` resource is not supported on your OS.' if !%w{ubuntu debian redhat fedora arch}.include? vulcano.os[:family] end def loaded? # get list of all modules cmd = vulcano.command('lsmod') return false if cmd.exit_status != 0 # check if module is loaded re = Regexp.new('^'+Regexp.quote(@module)+'\s') found = cmd.stdout.match(re) !found.nil? end def to_s "Kernel Module #{@module}" end end