Switch provider to manage rootwrap.conf file

... so that we users can use '<SERVICE DEFAULT>' similarly to
the resource types to manage the <service>.conf files.

Change-Id: I6fa40acff1989436c5326e94c98c9574644d18b2

lib/puppet/provider/designate_rootwrap_config/ini_setting.rb

@@ -1,21 +1,9 @@
 Puppet::Type.type(:designate_rootwrap_config).provide(
   :ini_setting,
-  :parent => Puppet::Type.type(:ini_setting).provider(:ruby)
+  :parent => Puppet::Type.type(:openstack_config).provider(:ini_setting)
 ) do
 
-  def section
-    resource[:name].split('/', 2).first
-  end
-
-  def setting
-    resource[:name].split('/', 2).last
-  end
-
-  def separator
-    '='
-  end
-
-  def file_path
+  def self.file_path
     '/etc/designate/rootwrap.conf'
   end
 

lib/puppet/type/designate_rootwrap_config.rb

@@ -7,6 +7,11 @@ Puppet::Type.newtype(:designate_rootwrap_config) do
     newvalues(/\S+\/\S+/)
   end
 
+  newparam(:ensure_absent_val) do
+    desc 'A value that is specified as the value property will behave as if ensure => absent was specified'
+    defaultto('<SERVICE DEFAULT>')
+  end
+
   newproperty(:value) do
     desc 'The value of the setting to be defined.'
     munge do |value|