updates for pdk validate

Author: benformosa

lib/facter/ipv6_disabled.rb

@@ -1,19 +1,19 @@
 # Return an array of interfaces which have IPv6 disabled
 require 'puppet'
 Facter.add(:ipv6_disabled) do
-    setcode do
-        ipv6_disabled = []
-        $all_ifaces = (Facter.value(:networking)['interfaces'].keys + ['all']).sort
-        $all_ifaces.each do |interface|
-            $disabled = Facter::Util::Resolution.exec("cat /proc/sys/net/ipv6/conf/#{interface}/disable_ipv6")
-           if $disabled == '1'
-               ipv6_disabled.push(interface)
-               Facter.debug("Interface '#{interface}' has IPv6 disabled")
-           else
-               Facter.debug("Interface '#{interface}' has IPv6 enabled")
-           end
-        end
-
-        ipv6_disabled
+  setcode do
+    ipv6_disabled = []
+    all_ifaces = (Facter.value(:networking)['interfaces'].keys + ['all']).sort
+    all_ifaces.each do |interface|
+      disabled = Facter::Util::Resolution.exec("cat /proc/sys/net/ipv6/conf/#{interface}/disable_ipv6")
+      if disabled == '1'
+        ipv6_disabled.push(interface)
+        Facter.debug("Interface '#{interface}' has IPv6 disabled")
+      else
+        Facter.debug("Interface '#{interface}' has IPv6 enabled")
+      end
     end
+
+    ipv6_disabled
+  end
 end

spec/classes/init_spec.rb

@@ -1,6 +1,6 @@
 require 'spec_helper'
 describe 'linux_disable_ipv6' do
   context 'with default values for all parameters' do
-    it { should contain_class('linux_disable_ipv6') }
+    it { is_expected.to contain_class('linux_disable_ipv6') }
   end
 end