Disable cleanup attribute name changed to enable_rules_cleanup and bo…

…olean value used. Per pull request comment: https://github.com/Technicolor-Portico/AFW/commit/61aa39927ca46a24eb8c9b5a205419f6652fe3e3#commitcomment-3282978.

README.md

@@ -205,7 +205,7 @@ external tool perhaps.
 To disable automatic cleanup simply set this on the node:
 
 ```
-node['afw']['disable_cleanup'] = "the value does not matter"
+node['afw']['enable_rules_cleanup'] = false
 ```
 
 **Please remember:** You will have to remove unwanted rules manually.

attributes/default.rb

@@ -22,6 +22,8 @@
 #default['afw']['ruby_source'] = "package"
 #default['afw']['ruby_source'] = "none"
 
+default['afw']['enable_rules_cleanup'] = true
+
 case platform
 when "centos","redhat","fedora"
   set['afw']['dnsruby_package_name'] = "rubygem-dnsruby"

recipes/default.rb

@@ -100,7 +100,7 @@ class Chef::Recipe
     node.set['afw']['chains'] = {}
     node.set['afw']['tables'] = {}
   end
-  only_if { not node['afw'].has_key?('disable_cleanup') }
+  only_if { node['afw']['enable_rules_cleanup'] == true }
 end
 
 execute 'restore firewall' do