# File lib/rbovirt.rb, line 137
    def clusters(opts={})
      headers = {:accept => "application/xml; detail=datacenters"}
      search= opts[:search] || ("datacenter=%s" % current_datacenter.name)
      http_get("/clusters?search=%s" % CGI.escape(search), headers).xpath('/clusters/cluster').collect do |cl|
        OVIRT::Cluster.new(self, cl)
      end
    end