fix lint errors

Signed-off-by: Patrick Münch <patrick.muench1111@gmail.com>

fix lint errors

Signed-off-by: Patrick Münch <patrick.muench1111@gmail.com>

fixing lint errors

Signed-off-by: Patrick Münch <patrick.muench1111@gmail.com>

Author: atomic111

controls/docker_host_os_level1.rb

@@ -1,4 +1,5 @@
 # encoding: utf-8
+# frozen_string_literal: true
 #
 # Copyright 2016, Patrick Muench
 #
@@ -150,14 +151,14 @@
   desc 'Apart from auditing your regular Linux file system and system calls, audit all Docker related files and directories. Docker daemon runs with \'root\' privileges. Its behavior depends on some key files and directories. docker.service is one such file. The docker.service file might be present if the daemon parameters have been changed by an administrator. It holds various parameters for Docker daemon. It must be audited, if applicable.'
   ref 'https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Security_Guide/chap-system_auditing.html'
 
-  unless docker.path.nil?
+  if docker.path
     rule = '-w ' << docker.path << ' -p rwxa -k docker'
     describe auditd_rules do
       its(:lines) { should include(rule) }
     end
   else
     describe 'audit docker service' do
-      skip "Cannot determine docker path"
+      skip 'Cannot determine docker path'
     end
   end
 end
@@ -168,14 +169,14 @@
   desc 'Apart from auditing your regular Linux file system and system calls, audit all Docker related files and directories. Docker daemon runs with \'root\' privileges. Its behavior depends on some key files and directories. docker.service is one such file. The docker.service file might be present if the daemon parameters have been changed by an administrator. It holds various parameters for Docker daemon. It must be audited, if applicable.'
   ref 'https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Security_Guide/chap-system_auditing.html'
 
-  unless docker.path.nil?
+  if docker.path
     rule = '-w ' << docker.socket << ' -p rwxa -k docker'
     describe auditd_rules do
       its(:lines) { should include(rule) }
     end
   else
     describe 'audit docker service' do
-      skip "Cannot determine docker socket"
+      skip 'Cannot determine docker socket'
     end
   end
 end

controls/docker_level1.rb

@@ -1,4 +1,5 @@
 # encoding: utf-8
+# frozen_string_literal: true
 #
 # Copyright 2016, Patrick Muench
 #

controls/docker_level2.rb

@@ -1,4 +1,5 @@
 # encoding: utf-8
+# frozen_string_literal: true
 #
 # Copyright 2016, Patrick Muench
 #