diff options
Diffstat (limited to 'lib/facter/virtual.rb')
| -rw-r--r-- | lib/facter/virtual.rb | 52 |
1 files changed, 49 insertions, 3 deletions
diff --git a/lib/facter/virtual.rb b/lib/facter/virtual.rb index 468ab77..a583995 100644 --- a/lib/facter/virtual.rb +++ b/lib/facter/virtual.rb @@ -1,3 +1,30 @@ +# Fact: virtual +# +# Purpose: Determine if the system's hardware is real or virtualised. +# +# Resolution: +# Assumes physical unless proven otherwise. +# +# On Darwin, use the macosx util module to acquire the SPDisplaysDataType, +# from that parse it to see if it's VMWare or Parallels pretending to be the +# display. +# +# On Linux, BSD, Solaris and HPUX: +# Much of the logic here is obscured behind util/virtual.rb, which rather +# than document here, which would encourage drift, just refer to it. +# The Xen tests in here rely on /sys and /proc, and check for the presence and +# contents of files in there. +# If after all the other tests, it's still seen as physical, then it tries to +# parse the output of the "lspci", "dmidecode" and "prtdiag" and parses them +# for obvious signs of being under VMWare or Parallels. +# Finally it checks for the existence of vmware-vmx, which would hint it's +# VMWare. +# +# Caveats: +# Virtualbox detection isn't implemented. +# Many checks rely purely on existence of files. +# + require 'facter/util/virtual' Facter.add("virtual") do @@ -25,7 +52,7 @@ Facter.add("virtual") do setcode do - if Facter::Util::Virtual.zone? and Facter.value(:operatingsystem) == "Solaris" + if Facter.value(:operatingsystem) == "Solaris" and Facter::Util::Virtual.zone? result = "zone" end @@ -77,6 +104,9 @@ Facter.add("virtual") do # --- look for the vmware video card to determine if it is virtual => vmware. # --- 00:0f.0 VGA compatible controller: VMware Inc [VMware SVGA II] PCI Display Adapter result = "vmware" if p =~ /VM[wW]are/ + # --- look for virtualbox video card to determine if it is virtual => virtualbox. + # --- 00:02.0 VGA compatible controller: InnoTek Systemberatung GmbH VirtualBox Graphics Adapter + result = "virtualbox" if p =~ /VirtualBox/ # --- look for pci vendor id used by Parallels video card # --- 01:00.0 VGA compatible controller: Unknown device 1ab8:4005 result = "parallels" if p =~ /1ab8:|[Pp]arallels/ @@ -87,13 +117,18 @@ Facter.add("virtual") do output.each_line do |pd| result = "parallels" if pd =~ /Parallels/ result = "vmware" if pd =~ /VMware/ + result = "virtualbox" if pd =~ /VirtualBox/ end - else - output = Facter::Util::Resolution.exec('prtdiag') + elsif Facter.value(:kernel) == 'SunOS' + res = Facter::Util::Resolution.new('prtdiag') + res.timeout = 6 + res.setcode('prtdiag') + output = res.value if not output.nil? output.each_line do |pd| result = "parallels" if pd =~ /Parallels/ result = "vmware" if pd =~ /VMware/ + result = "virtualbox" if pd =~ /VirtualBox/ end end end @@ -108,6 +143,17 @@ Facter.add("virtual") do end end +# Fact: is_virtual +# +# Purpose: returning true or false for if a machine is virtualised or not. +# +# Resolution: The Xen domain 0 machine is virtualised to a degree, but is generally +# not viewed as being a virtual machine. This checks that the machine is not +# physical nor xen0, if that is the case, it is virtual. +# +# Caveats: +# + Facter.add("is_virtual") do confine :kernel => %w{Linux FreeBSD OpenBSD SunOS HP-UX Darwin GNU/kFreeBSD} |