Fix strict_variables issue

manifests/params.pp

@@ -50,7 +50,7 @@ class puppetdb::params {
     }
   }
 
-  if $::is_pe == 'true' {
+  if defined('$::is_pe') and $::is_pe == 'true' {
     $puppetdb_package     = 'pe-puppetdb'
     $puppetdb_service     = 'pe-puppetdb'
     $confdir              = '/etc/puppetlabs/puppetdb/conf.d'

spec/unit/classes/init_spec.rb

@@ -11,6 +11,8 @@ describe 'puppetdb', :type => :class do
         :operatingsystemrelease => '6.0',
         :kernel => 'Linux',
         :concat_basedir => '/var/lib/puppet/concat',
+        :id => 'root',
+        :path => '/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin',
       }
     end