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#
# Author:: Bryan McLellan (btm@loftninjas.org)
# Copyright:: Copyright (c) 2009 Bryan McLellan
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
Ohai.plugin(:Virtualization) do
provides "virtualization"
collect_data do
virtualization Mash.new
if from("sysctl -n security.jail.jailed").to_i == 1
virtualization[:system] = "jail"
virtualization[:role] = "guest"
end
# detect from modules
popen4("/sbin/kldstat") do |pid, stdin, stdout, stderr|
stdin.close
stdout.each do |line|
case line
when /vboxdrv/
virtualization[:system] = "vbox"
virtualization[:role] = "host"
when /vboxguest/
virtualization[:system] = "vbox"
virtualization[:role] = "guest"
end
end
end
# XXX doesn't work when jail is there but not running (ezjail-admin stop)
if from("jls -n \| wc -l").to_i >= 1
virtualization[:system] = "jail"
virtualization[:role] = "host"
end
# KVM Host support for FreeBSD is in development
# http://feanor.sssup.it/~fabio/freebsd/lkvm/
# Detect KVM/QEMU from cpu, report as KVM
# hw.model: QEMU Virtual CPU version 0.9.1
if from("sysctl -n hw.model") =~ /QEMU Virtual CPU/
virtualization[:system] = "kvm"
virtualization[:role] = "guest"
end
# http://www.dmo.ca/blog/detecting-virtualization-on-linux
if File.exists?("/usr/local/sbin/dmidecode")
popen4("dmidecode") do |pid, stdin, stdout, stderr|
stdin.close
found_virt_manufacturer = nil
found_virt_product = nil
stdout.each do |line|
case line
when /Manufacturer: Microsoft/
found_virt_manufacturer = "microsoft"
when /Product Name: Virtual Machine/
found_virt_product = "microsoft"
when /Version: 5.0/
if found_virt_manufacturer == "microsoft" && found_virt_product == "microsoft"
virtualization[:system] = "virtualpc"
virtualization[:role] = "guest"
end
when /Version: VS2005R2/
if found_virt_manufacturer == "microsoft" && found_virt_product == "microsoft"
virtualization[:system] = "virtualserver"
virtualization[:role] = "guest"
end
when /Manufacturer: VMware/
found_virt_manufacturer = "vmware"
when /Product Name: VMware Virtual Platform/
if found_virt_manufacturer == "vmware"
virtualization[:system] = "vmware"
virtualization[:role] = "guest"
end
end
end
end
end
end
end
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