Update cookbooks and add wordpress cookbook

cookbooks/ohai/providers/hint.rb

@@ -2,33 +2,44 @@ def why_run_supported?
   true
 end
 
-def build_ohai_hint_path
-  ::File.join(node[:ohai][:hints_path], "#{new_resource.name}.json")
+def ohai_hint_path
+  ::File.join(node['ohai']['hints_path'], "#{new_resource.name}.json")
+end
+
+def build_content
+  # passing nil to file produces deprecation warnings so pass an empty string
+  return '' if new_resource.content.nil? || new_resource.content.empty?
+  JSON.pretty_generate(new_resource.content)
 end
 
 use_inline_resources
 
 action :create do
-  if @current_resource.content != new_resource.content
-    directory node[:ohai][:hints_path] do
+  # don't create the file if the existing file was empty and so is the new one
+  # this avoids bogus content updates on every chef run
+  unless (@current_resource.content && @current_resource.content.empty?) && new_resource.content.nil?
+    directory node['ohai']['hints_path'] do
       action :create
       recursive true
     end
 
-    file build_ohai_hint_path do
+    file ohai_hint_path do
       action :create
-      content JSON.pretty_generate(new_resource.content)
+      content build_content
     end
   end
 end
 
-
 def load_current_resource
   @current_resource = Chef::Resource::OhaiHint.new(new_resource.name)
-  if ::File.exist?(build_ohai_hint_path)
-    @current_resource.content(JSON.parse(::File.read(build_ohai_hint_path)))
-  else
-    @current_resource.content(nil)
+  if ::File.exist?(ohai_hint_path)
+    Chef::Log.debug("Existing ohai hint at #{ohai_hint_path} found. Attempting to parse JSON")
+    begin
+      @current_resource.content(JSON.parse(::File.read(ohai_hint_path)))
+    rescue JSON::ParserError
+      @current_resource.content({})
+      Chef::Log.debug("Could not parse JSON in ohai hint at #{ohai_hint_path}. It's probably an empty hint file")
+    end
   end
 
   @current_resource