Draft: [puppet][kavlan] skip site when conf is absent

lib/refrepo/gen/puppet/kavlang5k.rb

@@ -47,6 +47,7 @@ def generate_puppet_kavlang5k(options)
     conf = YAML::load(ERB.new(File.read("#{options[:conf_dir]}/kavlang5k.yaml"), trim_mode: '-').result(binding))[site_uid]
     if not conf
       warn "No generator configuration for site #{site_uid} found in #{options[:conf_dir]}/kavlang5k.yaml, skipping kavlan.conf"
+      next
     else
       output = ERB.new(File.read(File.expand_path('templates/kavlan.conf.erb', File.dirname(__FILE__))), trim_mode: '-').result(binding)
       output_file = Pathname("#{options[:output_dir]}//platforms/production/modules/generated/files/grid5000/kavlan/#{site_uid}/kavlan.conf")