Interestingly, the command "facter serialnumber" correctly pulls that it's a VMware system:
# /local/bin/facter serialnumber VMware-56 4d 00 7e e8 3b e8 c9-85 7f 4e XX XX XX XX XX -- You received this message because you are subscribed to the Google Groups "Puppet Users" group. To post to this group, send email to puppet-users@googlegroups.com. To unsubscribe from this group, send email to puppet-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/puppet-users?hl=en.