confine for provider

lib/puppet/provider/package/fluentd-gem.rb

@@ -8,6 +8,7 @@ Puppet::Type.type(:package).provide :fluentd_gem, :parent => :gem do
     not a valid URL, it will be interpreted as the path to a local gem file.  If
     source is not present at all, the gem will be installed from the default gem
     repositories."
+  confine :exists => "/opt/td-agent/embedded/bin/gem"
 
   has_feature :versionable, :install_options