# File lib/fog/dns/requests/zerigo/update_host.rb, line 21
        def update_host( host_id, options = {})

          optional_tags= ''
          options.each { |option, value|
            case option
            when :host_type
              optional_tags+= "<host-type>#{host_type}</host-type>"
            when :data
              optional_tags+= "<data>#{data}</data>"
            when :hostname
              optional_tags+= "<hostname>#{value}</hostname>"
            when :notes
              optional_tags+= "<notes>#{value}</notes>"
            when :priority
              optional_tags+= "<priority>#{value}</priority>"
            when :ttl
              optional_tags+= "<ttl>#{value}</ttl>"
            end
          }

          request(
            :body     => %Q{<?xml version="1.0" encoding="UTF-8"?><host>#{optional_tags}</host>},
            :expects  => 200,
            :method   => 'PUT',
            :path     => "/api/1.1/hosts/#{host_id}.xml"
          )
        end