puppet-fact-solaris-xvm.rb

module Facter::Xvm
  #
  # Report if this a an Xvm Dom0 or a DomU. If its a Dom0, also report
  # a list of any DomU's on the machine (that aren't shut off)
  #
  # ASSUMPTIONS:
  # 1. 'uname -i' reports something unique to identify a Dom0 or a DomU
  # 2. if the 'virsh' command *also* exists, its a Dom0
  #

  
  def self.is_xvm_architecture
    arch = ""
  if File.exists?("/usr/bin/uname")
      arch = %x{echo | /usr/bin/uname -i}
    end
    return arch.chomp.eql?("i86xpv")
  end


  def self.get_domains
    vlist = ""
    domains = []
    if File.exists?("/usr/bin/virsh")
      vlist = %x{echo | /usr/bin/virsh list}.split("\n")
    end
    vlist.each do |l|
      if l =~ /\s+\d+\s+(\S+).*?/
        domains << $1 unless $1.eql?("Domain-0")
      end
    end
    domains
  end


  facter_prefix = ""
  facter_value = ""

  if (Facter::Xvm::is_xvm_architecture)
    facter_prefix="xvm"
    facter_value = "DomU"
  end

  domains = Facter::Xvm::get_domains
  if (domains.length > 0)
    #facter_prefix="xvm-domains"
    facter_prefix="xvm"
    facter_value = domains.join(",")
  end

  if (facter_value.length > 1)
    Facter.add(facter_prefix) do
      setcode do
        facter_value
      end
    end

end