fixing lint errors and add header to libraries/docker.rb

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

Author: atomic111

controls/docker_level1.rb

@@ -581,13 +581,13 @@
     info['Mounts'].each do |mounts|
       describe mounts['Source'] do
         it { should_not eq '/' }
-        it { should_not match(/\/boot/) }
-        it { should_not match(/\/dev/) }
-        it { should_not match(/\/etc/) }
-        it { should_not match(/\/lib/) }
-        it { should_not match(/\/proc/) }
-        it { should_not match(/\/sys/) }
-        it { should_not match(/\/usr/) }
+        it { should_not match(%r{\/boot}) }
+        it { should_not match(%r{\/dev}) }
+        it { should_not match(%r{\/etc}) }
+        it { should_not match(%r{\/lib}) }
+        it { should_not match(%r{\/proc}) }
+        it { should_not match(%r{\/sys}) }
+        it { should_not match(%r{\/usr}) }
       end
     end
   end

libraries/docker.rb

@@ -1,3 +1,23 @@
+# encoding: utf-8
+#
+# Copyright 2016, Christoph Hartmann
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# author: Christoph Hartmann
+# author: Dominik Richter
+# author: Patrick Muench
+
 require 'yaml'
 
 class Docker < Inspec.resource(1)
@@ -26,7 +46,7 @@ def path
     params = parse_systemd_values(cmd.stdout.chomp)
 
     # return the value
-    params["FragmentPath"]
+    params['FragmentPath']
   end
 
   def socket
@@ -37,7 +57,7 @@ def socket
     params = parse_systemd_values(cmd.stdout.chomp)
 
     # return the value
-    params["FragmentPath"]
+    params['FragmentPath']
   end
 
   private
@@ -47,7 +67,7 @@ def parse_systemd_values(stdout)
     SimpleConfig.new(
       stdout,
       assignment_re: /^\s*([^=]*?)\s*=\s*(.*?)\s*$/,
-      multiple_values: false,
+      multiple_values: false
     ).params
   end
 end