The detection of Parallels virtualization added.

lib/ohai/plugins/darwin/virtualization.rb

@@ -0,0 +1,54 @@
+#
+# Author:: Pavel Yudin (<pyudin@parallels.com>)
+# Copyright:: Copyright (c) 2015 Pavel Yudin
+# 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.
+#
+
+require 'ohai/util/file_helper'
+
+include Ohai::Util::FileHelper
+
+Ohai.plugin(:Virtualization) do
+  provides "virtualization"
+
+  def prlctl_exists?
+    which('prlctl')
+  end
+
+  def ioreg_exists?
+    which('ioreg')
+  end
+
+  collect_data(:darwin) do
+    virtualization Mash.new unless virtualization
+    virtualization[:systems] = Mash.new unless virtualization[:systems]
+
+    if prlctl_exists?
+      virtualization[:system] = 'parallels'
+      virtualization[:role] = 'host'
+      virtualization[:systems][:parallels] = 'host'
+    end
+
+    # Detect Parallels virtual machine from pci devices
+    if ioreg_exists?
+      so = shell_out("ioreg -l")
+      if so.stdout =~ /pci1ab8,4000/
+        virtualization[:system] = 'parallels'
+        virtualization[:role] = 'guest'
+        virtualization[:systems][:parallels] = 'guest'
+      end
+    end
+  end
+end

lib/ohai/plugins/linux/virtualization.rb

@@ -105,6 +105,15 @@ def docker_exists?
       virtualization[:systems][:openvz] = "guest"
     end
 
+    # Detect Parallels virtual machine from pci devices
+    if File.exists?("/proc/bus/pci/devices")
+      if File.read("/proc/bus/pci/devices") =~ /1ab84000/
+        virtualization[:system] = "parallels"
+        virtualization[:role] = "guest"
+        virtualization[:systems][:parallels] = "guest"
+      end
+    end
+
     # http://www.dmo.ca/blog/detecting-virtualization-on-linux
     if File.exists?("/usr/sbin/dmidecode")
       so = shell_out("dmidecode")

lib/ohai/plugins/windows/virtualization.rb

@@ -0,0 +1,44 @@
+#
+# Author:: Pavel Yudin (<pyudin@parallels.com>)
+# Copyright:: Copyright (c) 2015 Pavel Yudin
+# 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.
+#
+
+require 'ohai/util/file_helper'
+
+include Ohai::Util::FileHelper
+
+Ohai.plugin(:Virtualization) do
+  provides "virtualization"
+
+  def powershell_exists?
+    which('powershell.exe')
+  end
+
+  collect_data(:windows) do
+    virtualization Mash.new unless virtualization
+    virtualization[:systems] = Mash.new unless virtualization[:systems]
+
+    # Detect Parallels virtual machine from BIOS information
+    if powershell_exists?
+      so = shell_out('powershell.exe "Get-WmiObject -Class Win32_BIOS"')
+      if so.stdout =~ /Parallels Software International Inc./
+        virtualization[:system] = 'parallels'
+        virtualization[:role] = 'guest'
+        virtualization[:systems][:parallels] = 'guest'
+      end
+    end
+  end
+end

spec/unit/plugins/darwin/virtualization_spec.rb

@@ -0,0 +1,109 @@
+#
+# Author:: Pavel Yudin (<pyudin@parallels.com>)
+# Copyright:: Copyright (c) 2015 Pavel Yudin
+# 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.
+#
+
+require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+
+describe Ohai::System, "Darwin virtualization platform" do
+  let(:plugin) { get_plugin("darwin/virtualization")}
+
+  before(:each) do
+    allow(plugin).to receive(:collect_os).and_return(:darwin)
+    allow(plugin).to receive(:prlctl_exists?).and_return(false)
+  end
+
+  describe "when we are checking for parallels" do
+    it "should set parallels host if /usr/bin/prlctl exists" do
+      allow(plugin).to receive(:prlctl_exists?).and_return("/usr/bin/prlctl")
+      plugin.run
+      expect(plugin[:virtualization][:system]).to eq("parallels")
+      expect(plugin[:virtualization][:role]).to eq("host")
+      expect(plugin[:virtualization][:systems][:parallels]).to eq("host")
+    end
+
+    it "should not set parallels host if /usr/bin/prlctl not exist" do
+      allow(plugin).to receive(:prlctl_exists?).and_return(false)
+      plugin.run
+      expect(plugin[:virtualization]).to eq({'systems' => {}})
+    end
+
+    it "should set parallels guest if /usr/sbin/ioreg exists and it's output contains pci1ab8,4000" do
+      allow(plugin).to receive(:ioreg_exists?).and_return(true)
+      ioreg=<<-IOREG
+    | |   +-o pci1ab8,4000@3  <class IOPCIDevice, id 0x1000001d1, registered, matched, active, busy 0 (40 ms), retain 9>
+    | |   | | {
+    | |   | |   "compatible" = <"pci1ab8,400","pci1ab8,4000","pciclass,ff0000">
+    | |   | |   "subsystem-vendor-id" = <b81a0000>
+    | |   | |   "IOName" = "pci1ab8,4000"
+    | |   | |   "reg" = <00180000000000000000000000000000000000001018000100000000000000000000000020000000>
+    | |   | |   "device-id" = <00400000>
+    | |   | |   "assigned-addresses" = <101800810000000040d200000000000020000000>
+    | |   | |   "IOPowerManagement" = {"MaxPowerState"=3,"ChildProxyPowerState"=2,"CurrentPowerState"=2}
+    | |   | |   "IOPCIResourced" = Yes
+    | |   | |   "IODeviceMemory" = ("IOSubMemoryDescriptor is not serializable")
+    | |   | |   "revision-id" = <00000000>
+    | |   | |   "IOInterruptControllers" = ("IOPCIMessagedInterruptController")
+    | |   | |   "vendor-id" = <b81a0000>
+    | |   | |   "pcidebug" = "0:3:0"
+    | |   | |   "class-code" = <0000ff00>
+    | |   | |   "IOInterruptSpecifiers" = (<0000000000000100>)
+    | |   | |   "IOPCIMSIMode" = Yes
+    | |   | |   "subsystem-id" = <00040000>
+    | |   | |   "name" = <"pci1ab8,4000">
+    | |   | | }
+      IOREG
+      shellout = double("shellout")
+      allow(shellout).to receive(:stdout).and_return(ioreg)
+      allow(plugin).to receive(:shell_out).with("ioreg -l").and_return(shellout)
+      plugin.run
+      expect(plugin[:virtualization][:system]).to eq("parallels")
+      expect(plugin[:virtualization][:role]).to eq("guest")
+      expect(plugin[:virtualization][:systems][:parallels]).to eq("guest")
+    end
+
+    it "should not set parallels guest if /usr/sbin/ioreg exists and it's output not contain pci1ab8,4000" do
+      allow(plugin).to receive(:ioreg_exists?).and_return(true)
+      ioreg=<<-IOREG
+    | |   +-o pci8086,2445@1F,4  <class IOPCIDevice, id 0x1000001d4, registered, matched, active, busy 0 (974 ms), retain 11>
+    | |     | {
+    | |     |   "compatible" = <"pci1ab8,400","pci8086,2445","pciclass,040100">
+    | |     |   "subsystem-vendor-id" = <b81a0000>
+    | |     |   "IOName" = "pci8086,2445"
+    | |     |   "reg" = <00fc00000000000000000000000000000000000010fc00010000000000000000000000000001000014fc000100000000000000000000000000010000>
+    | |     |   "device-id" = <45240000>
+    | |     |   "assigned-addresses" = <10fc00810000000000d10000000000000001000014fc00810000000000d000000000000000010000>
+    | |     |   "IOPowerManagement" = {"ChildrenPowerState"=2,"CurrentPowerState"=2,"ChildProxyPowerState"=2,"MaxPowerState"=3}
+    | |     |   "IOPCIResourced" = Yes
+    | |     |   "IODeviceMemory" = ("IOSubMemoryDescriptor is not serializable","IOSubMemoryDescriptor is not serializable")
+    | |     |   "revision-id" = <02000000>
+    | |     |   "IOInterruptControllers" = ("io-apic-0")
+    | |     |   "vendor-id" = <86800000>
+    | |     |   "pcidebug" = "0:31:4"
+    | |     |   "class-code" = <00010400>
+    | |     |   "IOInterruptSpecifiers" = (<1100000007000000>)
+    | |     |   "subsystem-id" = <00040000>
+    | |     |   "name" = <"pci8086,2445">
+    | |     | }
+      IOREG
+      shellout = double("shellout")
+      allow(shellout).to receive(:stdout).and_return(ioreg)
+      allow(plugin).to receive(:shell_out).with("ioreg -l").and_return(shellout)
+      plugin.run
+      expect(plugin[:virtualization]).to eq({'systems' => {}})
+    end
+  end
+end

spec/unit/plugins/linux/virtualization_spec.rb

@@ -35,6 +35,7 @@
     allow(File).to receive(:exists?).with("/proc/self/cgroup").and_return(false)
     allow(File).to receive(:exists?).with("/.dockerenv").and_return(false)
     allow(File).to receive(:exists?).with("/.dockerinit").and_return(false)
+    allow(File).to receive(:exists?).with("/proc/bus/pci/devices").and_return(false)
   end
 
   describe "when we are checking for xen" do
@@ -320,6 +321,32 @@
     end
   end
 
+  describe "when we are checking for parallels" do
+    it "should set parallels guest if /proc/bus/pci/devices contains 1ab84000" do
+      devices=<<-DEVICES
+0018	1ab84000	1f	            8001	               0	               0	               0	               0	               0	               0	              20	               0	               0	               0	               0	               0	               0	prl_tg
+0028	1af41000	17	            8201	        ee000000	               0	               0	               0	               0	               0	              40	            1000	               0	               0	               0	               0	               0	virtio-pci
+      DEVICES
+      expect(File).to receive(:exists?).with("/proc/bus/pci/devices").and_return(true)
+      allow(File).to receive(:read).with("/proc/bus/pci/devices").and_return(devices)
+      @plugin.run
+      expect(@plugin[:virtualization][:system]).to eq("parallels")
+      expect(@plugin[:virtualization][:role]).to eq("guest")
+      expect(@plugin[:virtualization][:systems][:parallels]).to eq("guest")
+    end
+
+    it "should not set virtualization if /proc/bus/pci/devices not contains 1ab84000" do
+      devices=<<-DEVICES
+0030	1af41000	a	            8401	        ee040000	               0	               0	               0	               0	               0	              40	            1000	               0	               0	               0	               0	               0	virtio-pci
+0050	10110022	0	               0	               0	               0	               0	               0	               0	               0	               0	               0	               0	               0	               0	               0	               0
+      DEVICES
+      expect(File).to receive(:exists?).with("/proc/bus/pci/devices").and_return(true)
+      allow(File).to receive(:read).with("/proc/bus/pci/devices").and_return(devices)
+      @plugin.run
+      expect(@plugin[:virtualization]).to eq({'systems' => {}})
+    end
+  end
+
   describe "when we are checking for lxc" do
     it "should set lxc guest if /proc/self/cgroup exist and there are /lxc/<hexadecimal> mounts" do
       self_cgroup=<<-CGROUP

spec/unit/plugins/windows/virtualization_spec.rb

@@ -0,0 +1,64 @@
+#
+# Author:: Pavel Yudin (<pyudin@parallels.com>)
+# Copyright:: Copyright (c) 2015 Pavel Yudin
+# 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.
+#
+
+require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+
+describe Ohai::System, "Windows virtualization platform" do
+  let(:plugin) { get_plugin("windows/virtualization")}
+
+  before(:each) do
+    allow(plugin).to receive(:collect_os).and_return(:windows)
+    allow(plugin).to receive(:powershell_exists?).and_return(false)
+  end
+
+  describe "when we are checking for parallels" do
+    it "should set parallels guest if powershell exists and it's output contains 'Parallels Software International Inc.'" do
+      allow(plugin).to receive(:powershell_exists?).and_return(true)
+      bios=<<-BIOS
+SMBIOSBIOSVersion : 10.2.0 (28956) rev 0
+Manufacturer      : Parallels Software International Inc.
+Name              : Default System BIOS
+SerialNumber      : Parallels-92 05 B4 56 97 11 4F FA B1 95 1A FF 8E F9 DD CE
+Version           : PRLS   - 1
+      BIOS
+      shellout = double("shellout")
+      allow(shellout).to receive(:stdout).and_return(bios)
+      allow(plugin).to receive(:shell_out).with('powershell.exe "Get-WmiObject -Class Win32_BIOS"').and_return(shellout)
+      plugin.run
+      expect(plugin[:virtualization][:system]).to eq("parallels")
+      expect(plugin[:virtualization][:role]).to eq("guest")
+      expect(plugin[:virtualization][:systems][:parallels]).to eq("guest")
+    end
+
+    it "should not set parallels guest if powershell exists and it's output not contain 'Parallels Software International Inc.'" do
+      allow(plugin).to receive(:ioreg_exists?).and_return(true)
+      bios=<<-BIOS
+SMBIOSBIOSVersion : 4.6.5
+Manufacturer      : American Megatrends Inc.
+Name              : BIOS Date: 10/23/12 15:38:23 Ver: 04.06.05
+SerialNumber      : 334281-001
+Version           : Dealin - 1072009
+      BIOS
+      shellout = double("shellout")
+      allow(shellout).to receive(:stdout).and_return(bios)
+      allow(plugin).to receive(:shell_out).with('powershell.exe "Get-WmiObject -Class Win32_BIOS"').and_return(shellout)
+      plugin.run
+      expect(plugin[:virtualization]).to eq({'systems' => {}})
+    end
+  end
+end