# File lib/deltacloud/drivers/rhevm/rhevm_driver.rb, line 101
  def realms(credentials, opts=nil)
    domains = execute(credentials, "storageDomains.ps1")
    if (!opts.nil? && opts[:id])
        domains = domains.select{|d| opts[:id] == d["StorageId"]}
    end

    realms = []
    domains.each do |dom|
      realms << domain_to_realm(dom)
    end
    realms
  end