Fix collection of PSU details from dmidecode

[chef.git] / cookbooks / hardware / templates / default / ohai.rb.erb

diff --git a/cookbooks/hardware/templates/default/ohai.rb.erb b/cookbooks/hardware/templates/default/ohai.rb.erb
index e4678992c3aaed2d7158de43ec5c754460fcab66..bec49f967f38ed1151f00819f3ad533e8de65b25 100644 (file)
--- a/cookbooks/hardware/templates/default/ohai.rb.erb
+++ b/cookbooks/hardware/templates/default/ohai.rb.erb
@@ -1,3 +1,5 @@
+require "pathname"
+

 Ohai.plugin(:Hardware) do
   provides "hardware"
 
 Ohai.plugin(:Hardware) do
   provides "hardware"
 


@@ -59,9 +61,10 @@ Ohai.plugin(:Hardware) do
   end
 
   def pci_devices
   end
 
   def pci_devices

+    devices = {}

     device = nil
 
     device = nil
 

-    IO.popen(["lspci", "-Dkvmm"]).each_with_object(Mash.new) do |line, devices|
+    IO.popen(["lspci", "-Dkvmm"]).each do |line|

       if line =~ /^Slot:\s+((\h{4}):(\h{2}):(\h{2}).(\h))\s*$/
         device = {
           :slot => Regexp.last_match(1),
       if line =~ /^Slot:\s+((\h{4}):(\h{2}):(\h{2}).(\h))\s*$/
         device = {
           :slot => Regexp.last_match(1),


@@ -88,6 +91,24 @@ Ohai.plugin(:Hardware) do
         device = nil
       end
     end
         device = nil
       end
     end

+
+    IO.popen(["lspci", "-Dkvmmn"]).each do |line|
+      if line =~ /^Slot:\s+((\h{4}):(\h{2}):(\h{2}).(\h))\s*$/
+        device = devices[Regexp.last_match(1)]
+      elsif device && line =~ /^([A-Z]+):\s+(.*)\s*$/i
+        case Regexp.last_match(1)
+        when "Class" then device[:class_id] = Regexp.last_match(2)
+        when "Vendor" then device[:vendor_id] = Regexp.last_match(2)
+        when "Device" then device[:device_id] = Regexp.last_match(2)
+        when "SVendor" then device[:subsystem_vendor_id] = Regexp.last_match(2)
+        when "SDevice" then device[:subsystem_device_id] = Regexp.last_match(2)
+        end
+      elsif device && line =~ /^\s*$/
+        device = nil
+      end
+    end
+
+    devices

   end
 
   def network_devices
   end
 
   def network_devices


@@ -125,6 +146,7 @@ Ohai.plugin(:Hardware) do
     disk[:disks] = []
 
     find_direct_disks(disk)
     disk[:disks] = []
 
     find_direct_disks(disk)

+    find_nvme_disks(disk)

 
     find_hp_disks(disk) if File.exist?("/usr/sbin/hpssacli")
     find_megaraid_disks(disk) if File.exist?("/usr/sbin/megacli")
 
     find_hp_disks(disk) if File.exist?("/usr/sbin/hpssacli")
     find_megaraid_disks(disk) if File.exist?("/usr/sbin/megacli")


@@ -134,6 +156,33 @@ Ohai.plugin(:Hardware) do
 
     find_md_arrays(disk)
 
 
     find_md_arrays(disk)
 

+    disk[:disks].each do |disk|
+      if disk[:vendor] =~ /^CVPR/ && disk[:model] == "INTEL"
+        disk[:model] = disk[:serial_number]
+        disk[:serial_number] = disk[:vendor]
+        disk[:vendor] = "INTEL"
+      end
+
+      if disk[:vendor].nil? && disk[:model] =~ /^ATA\s+(.*)$/
+        disk[:vendor] = "ATA"
+        disk[:model] = Regexp.last_match(1)
+      end
+
+      if disk[:vendor].nil? || disk[:vendor] == "ATA"
+        if disk[:model] =~ /^(\S+)\s+(.*)$/
+          disk[:vendor] = Regexp.last_match(1)
+          disk[:model] = Regexp.last_match(2)
+        elsif disk[:model] =~ /^ST/
+          disk[:vendor] = "SEAGATE"
+        elsif disk[:model] =~ /^C300-(.*)$/
+          disk[:vendor] = "CRUCIAL"
+          disk[:model] = Regexp.last_match(1)
+        end
+      end
+
+      disk[:model].sub!(/-.*$/, "")
+    end
+

     disk
   end
 
     disk
   end
 


@@ -141,27 +190,20 @@ Ohai.plugin(:Hardware) do
     Dir.glob("/sys/class/scsi_host/host*") do |host|
       driver = read_sysctl_file("#{host}/proc_name")
 
     Dir.glob("/sys/class/scsi_host/host*") do |host|
       driver = read_sysctl_file("#{host}/proc_name")
 

-      if driver == "ahci" || driver == "mptsas"
+      if %w(ahci mptsas sata_mv sata_nv).include?(driver)

         bus = host.sub("/sys/class/scsi_host/host", "")
 
         Dir.glob("/sys/bus/scsi/devices/#{bus}:0:*").each do |device|
           next unless File.exist?("#{device}/scsi_disk")
 
           block = Dir.glob("#{device}/block/*").first
         bus = host.sub("/sys/class/scsi_host/host", "")
 
         Dir.glob("/sys/bus/scsi/devices/#{bus}:0:*").each do |device|
           next unless File.exist?("#{device}/scsi_disk")
 
           block = Dir.glob("#{device}/block/*").first

-          vendor = read_sysctl_file("#{device}/vendor")
-          model = read_sysctl_file("#{device}/model")

           size = read_sysctl_file("#{block}/size").to_f / 2
 
           size = read_sysctl_file("#{block}/size").to_f / 2
 

-          if vendor == "ATA" && model =~ /^(\S+)\s+(.*)$/
-            vendor = Regexp.last_match(1)
-            model = Regexp.last_match(2)
-          end
-

           devices[:disks] << {
             :id => devices[:disks].count,
             :device => "/dev/#{File.basename(block)}",
           devices[:disks] << {
             :id => devices[:disks].count,
             :device => "/dev/#{File.basename(block)}",

-            :vendor => vendor,
-            :model => model,
+            :vendor => read_sysctl_file("#{device}/vendor"),
+            :model => read_sysctl_file("#{device}/model"),

             :firmware_version => read_sysctl_file("#{device}/rev"),
             :size => format_disk_size(size),
             :arrays => []
             :firmware_version => read_sysctl_file("#{device}/rev"),
             :size => format_disk_size(size),
             :arrays => []


@@ -171,11 +213,49 @@ Ohai.plugin(:Hardware) do
     end
   end
 
     end
   end
 

+  def find_nvme_disks(devices)
+    Dir.glob("/sys/class/misc/nvme*") do |device|
+      controller = {
+        :id => devices[:controllers].count,
+        :pci_slot => File.basename(Pathname.new("#{device}/device").realpath),
+        :arrays => [],
+        :disks => []
+      }
+
+      devices[:controllers] << controller
+
+      IO.popen(["lspci", "-Dkvmm", "-s", controller[:pci_slot]]).each do |line|
+        if line =~ /^SVendor:\s+(\S.*\S)\s*$/
+          controller[:vendor] = Regexp.last_match(1)
+        elsif line =~ /^SDevice:\s+(\S.*\S)\s*$/
+          controller[:model] = Regexp.last_match(1)
+        end
+      end
+
+      Dir.glob("#{device}/device/block/*").each do |block|
+        size = read_sysctl_file("#{block}/size").to_f / 2
+
+        disk = {
+          :id => devices[:disks].count,
+          :controller => controller[:id],
+          :device => "/dev/#{File.basename(block)}",
+          :vendor => controller[:vendor],
+          :model => controller[:model],
+          :size => format_disk_size(size),
+          :arrays => []
+        }
+
+        devices[:disks] << disk
+        controller[:disks] << disk[:id]
+      end
+    end
+  end
+

   def find_md_arrays(devices)
     array = nil
 
     File.new("/proc/mdstat", "r").each do |line|
   def find_md_arrays(devices)
     array = nil
 
     File.new("/proc/mdstat", "r").each do |line|

-      if line =~ /^(md\d+) : active raid(\d+)((?: [a-z]+\d+\[\d+\](?:\([A-Z]\))*)+)$/
+      if line =~ /^(md\d+) : active raid(\d+)((?: (?:sd[a-z]|nvme\d+n\d+)\d*\[\d+\](?:\([A-Z]\))*)+)$/

         array = {
           :id => devices[:arrays].count,
           :device => "/dev/#{Regexp.last_match(1)}",
         array = {
           :id => devices[:arrays].count,
           :device => "/dev/#{Regexp.last_match(1)}",


@@ -183,7 +263,7 @@ Ohai.plugin(:Hardware) do
           :disks => []
         }
 
           :disks => []
         }
 

-        Regexp.last_match(3).scan(/ ([a-z]+)\d+\[\d+\](?:\([A-Z]\))*/).flatten.each do |device|
+        Regexp.last_match(3).scan(/ (sd[a-z]+|nvme\d+n\d+)\d*\[\d+\](?:\([A-Z]\))*/).flatten.each do |device|

           if disk = devices[:disks].find { |d| d[:device] == "/dev/#{device}" }
             disk[:arrays] << array[:id]
             array[:disks] << disk[:id]
           if disk = devices[:disks].find { |d| d[:device] == "/dev/#{device}" }
             disk[:arrays] << array[:id]
             array[:disks] << disk[:id]


@@ -191,7 +271,7 @@ Ohai.plugin(:Hardware) do
         end
 
         devices[:arrays] << array
         end
 
         devices[:arrays] << array

-      elsif line =~ /^\s+(\d+) blocks/
+      elsif array && line =~ /^\s+(\d+) blocks/

         array[:size] = format_disk_size(Regexp.last_match(1).to_i)
       end
     end
         array[:size] = format_disk_size(Regexp.last_match(1).to_i)
       end
     end


@@ -253,16 +333,16 @@ Ohai.plugin(:Hardware) do
         devices[:disks] << disk
         controller[:disks] << disk[:id]
         array[:disks] << disk[:id]
         devices[:disks] << disk
         controller[:disks] << disk[:id]
         array[:disks] << disk[:id]

-      elsif disk && line =~ /^         (\S[^:]+):\s+(.*)$/
+      elsif disk && line =~ /^         (\S[^:]+):\s+(.*\S)\s*$/

         case Regexp.last_match(1)
         when "Interface Type" then disk[:interface] = Regexp.last_match(2)
         when "Size" then disk[:size] = Regexp.last_match(2)
         when "Rotational Speed" then disk[:rpm] = Regexp.last_match(2)
         when "Firmware Revision" then disk[:firmware_version] = Regexp.last_match(2)
         when "Serial Number" then disk[:serial_number] = Regexp.last_match(2)
         case Regexp.last_match(1)
         when "Interface Type" then disk[:interface] = Regexp.last_match(2)
         when "Size" then disk[:size] = Regexp.last_match(2)
         when "Rotational Speed" then disk[:rpm] = Regexp.last_match(2)
         when "Firmware Revision" then disk[:firmware_version] = Regexp.last_match(2)
         when "Serial Number" then disk[:serial_number] = Regexp.last_match(2)

-        when "Model" then disk[:vendor], disk[:model] = Regexp.last_match(2).squeeze(" ").strip.sub(/^ATA /, "").split
+        when "Model" then disk[:model] = Regexp.last_match(2)

         end
         end

-      elsif array && line =~ /^         (\S[^:]+):\s+(.*)$/
+      elsif array && line =~ /^         (\S[^:]+):\s+(.*\S)\s*$/

         case Regexp.last_match(1)
         when "Size" then array[:size] = Regexp.last_match(2)
         when "Fault Tolerance" then array[:raid_level] = Regexp.last_match(2)
         case Regexp.last_match(1)
         when "Size" then array[:size] = Regexp.last_match(2)
         when "Fault Tolerance" then array[:raid_level] = Regexp.last_match(2)


@@ -276,7 +356,7 @@ Ohai.plugin(:Hardware) do
     controllers.each do |controller|
       if device = Dir.glob("/sys/bus/pci/devices/#{controller[:pci_slot]}/cciss*").first
         controller[:device] = File.basename(device).sub(/^cciss(\d+)$/, "/dev/cciss/c\\1d0")
     controllers.each do |controller|
       if device = Dir.glob("/sys/bus/pci/devices/#{controller[:pci_slot]}/cciss*").first
         controller[:device] = File.basename(device).sub(/^cciss(\d+)$/, "/dev/cciss/c\\1d0")

-      elsif device = Dir.glob("/sys/bus/pci/devices/#{controller[:pci_slot]}/host*/target0:0:0/0:0:0:0/scsi_generic/sg*").first
+      elsif device = Dir.glob("/sys/bus/pci/devices/#{controller[:pci_slot]}/host*/target*:3:0/*:3:0:0/scsi_generic/sg*").first

         controller[:device] = "/dev/#{File.basename(device)}"
       end
     end
         controller[:device] = "/dev/#{File.basename(device)}"
       end
     end


@@ -354,13 +434,22 @@ Ohai.plugin(:Hardware) do
         devices[:disks] << disk
         controller[:disks] << disk[:id]
         array[:disks] << disk[:id]
         devices[:disks] << disk
         controller[:disks] << disk[:id]
         array[:disks] << disk[:id]

+      elsif disk && line =~ /^Firmware state:\s+(.*\S)\s*$/
+        Regexp.last_match(1).split(/,\s*/).each do |state|
+          case state
+          when "Online" then disk[:status] = "online"
+          when "Hotspare" then disk[:status] = "hotspare"
+          when "Spun Up" then disk[:spun_down] = false
+          when "Spun down" then disk[:spun_down] = true
+          end
+        end

       elsif disk && line =~ /^(\S.*\S)\s*:\s+(\S.*)$/
         case Regexp.last_match(1)
       elsif disk && line =~ /^(\S.*\S)\s*:\s+(\S.*)$/
         case Regexp.last_match(1)

-        when "Device Id" then disk[:smart_devlce] = "megaraid,#{Regexp.last_match(2)}"
+        when "Device Id" then disk[:smart_device] = "megaraid,#{Regexp.last_match(2)}"

         when "WWN" then disk[:wwn] = Regexp.last_match(2)
         when "PD Type" then disk[:interface] = Regexp.last_match(2)
         when "Raw Size" then disk[:size] = memory_to_disk_size(Regexp.last_match(2).sub(/\s*\[.*\]$/, ""))
         when "WWN" then disk[:wwn] = Regexp.last_match(2)
         when "PD Type" then disk[:interface] = Regexp.last_match(2)
         when "Raw Size" then disk[:size] = memory_to_disk_size(Regexp.last_match(2).sub(/\s*\[.*\]$/, ""))

-        when "Inquiry Data" then disk[:vendor], disk[:model], disk[:serial] = Regexp.last_match(2).split
+        when "Inquiry Data" then disk[:vendor], disk[:model], disk[:serial_number] = Regexp.last_match(2).split

         end
       elsif array && line =~ /^(\S.*\S)\s*:\s+(\S.*)$/
         case Regexp.last_match(1)
         end
       elsif array && line =~ /^(\S.*\S)\s*:\s+(\S.*)$/
         case Regexp.last_match(1)


@@ -384,13 +473,21 @@ Ohai.plugin(:Hardware) do
 
           devices[:disks] << disk
         end
 
           devices[:disks] << disk
         end

+      elsif disk && line =~ /^Firmware state:\s+(.*\S)\s*$/
+        Regexp.last_match(1).split(/,\s*/).each do |state|
+          case state
+          when "Online" then disk[:status] = "online"
+          when "Hotspare" then disk[:status] = "hotspare"
+          when "Spun Up" then disk[:state] = "spun_up"
+          when "Spun down" then disk[:state] = "spun_down"
+          end
+        end

       elsif disk && line =~ /^(\S.*\S)\s*:\s+(\S.*)$/
         case Regexp.last_match(1)
       elsif disk && line =~ /^(\S.*\S)\s*:\s+(\S.*)$/
         case Regexp.last_match(1)

-        when "Device Id" then disk[:smart_devlce] = "megaraid,#{Regexp.last_match(2)}"
-        when "WWN" then disk[:wwn] = Regexp.last_match(2)
+        when "Device Id" then disk[:smart_device] = "megaraid,#{Regexp.last_match(2)}"

         when "PD Type" then disk[:interface] = Regexp.last_match(2)
         when "Raw Size" then disk[:size] = memory_to_disk_size(Regexp.last_match(2).sub(/\s*\[.*\]$/, ""))
         when "PD Type" then disk[:interface] = Regexp.last_match(2)
         when "Raw Size" then disk[:size] = memory_to_disk_size(Regexp.last_match(2).sub(/\s*\[.*\]$/, ""))

-        when "Inquiry Data" then disk[:vendor], disk[:model], disk[:serial] = Regexp.last_match(2).split
+        when "Inquiry Data" then disk[:vendor], disk[:model], disk[:serial_number] = Regexp.last_match(2).split

         end
       end
     end
         end
       end
     end


@@ -489,7 +586,7 @@ Ohai.plugin(:Hardware) do
   end
 
   def find_adaptec_disks(devices)
   end
 
   def find_adaptec_disks(devices)

-    controller_count = IO.popen(%w(arcconf getconfig 0)).first.scan(/^Controllers found: (\d+)$/).first.first.to_i
+    controller_count = IO.popen(%w(arcconf getconfig 0)).first.scan(/^Controllers Found: (\d+)$/i).first.first.to_i

 
     1.upto(controller_count).each do |controller_number|
       controller = {
 
     1.upto(controller_count).each do |controller_number|
       controller = {


@@ -508,7 +605,7 @@ Ohai.plugin(:Hardware) do
       disk = nil
 
       IO.popen(["arcconf", "getconfig", controller_number.to_s]).each do |line|
       disk = nil
 
       IO.popen(["arcconf", "getconfig", controller_number.to_s]).each do |line|

-        if line =~ /^Logical device number (\d+)$/
+        if line =~ /^Logical Device Number (\d+)$/i

           array = {
             :id => devices[:arrays].count,
             :controller => controller[:id],
           array = {
             :id => devices[:arrays].count,
             :controller => controller[:id],


@@ -521,11 +618,12 @@ Ohai.plugin(:Hardware) do
 
           arrays << array
         elsif line =~ /^      Device #(\d+)$/
 
           arrays << array
         elsif line =~ /^      Device #(\d+)$/

+          disk = nil
+        elsif line =~ /^         Device is a Hard drive$/

           disk = {
             :id => devices[:disks].count,
             :controller => controller[:id],
           disk = {
             :id => devices[:disks].count,
             :controller => controller[:id],

-            :arrays => [],
-            :number => Regexp.last_match(1).to_i
+            :arrays => []

           }
 
           devices[:disks] << disk
           }
 
           devices[:disks] << disk


@@ -534,22 +632,26 @@ Ohai.plugin(:Hardware) do
           disks << disk
         elsif disk && line =~ /^         Reported Channel,Device\(T:L\)\s*:\s+(\d+),(\d+)\(\d+:0\)\s*$/
           disk[:channel_number] = Regexp.last_match(1)
           disks << disk
         elsif disk && line =~ /^         Reported Channel,Device\(T:L\)\s*:\s+(\d+),(\d+)\(\d+:0\)\s*$/
           disk[:channel_number] = Regexp.last_match(1)

-          disk[:device_number] = Regexp.last_match(1)
+          disk[:device_number] = Regexp.last_match(2)

         elsif disk && line =~ /^         (\S.*\S)\s*:\s+(\S.*\S)\s*$/
           case Regexp.last_match(1)
           when "Reported Location" then disk[:location] = Regexp.last_match(2)
           when "Vendor" then disk[:vendor] = Regexp.last_match(2)
           when "Model" then disk[:model] = Regexp.last_match(2)
           when "Firmware" then disk[:firmware_version] = Regexp.last_match(2)
         elsif disk && line =~ /^         (\S.*\S)\s*:\s+(\S.*\S)\s*$/
           case Regexp.last_match(1)
           when "Reported Location" then disk[:location] = Regexp.last_match(2)
           when "Vendor" then disk[:vendor] = Regexp.last_match(2)
           when "Model" then disk[:model] = Regexp.last_match(2)
           when "Firmware" then disk[:firmware_version] = Regexp.last_match(2)

-          when "Serial" then disk[:serial_number] = Regexp.last_match(2)
+          when "Serial number" then disk[:serial_number] = Regexp.last_match(2)
+          when "Serial Number" then disk[:serial_number] = Regexp.last_match(2)

           when "World-wide name" then disk[:wwn] = Regexp.last_match(2)
           when "World-wide name" then disk[:wwn] = Regexp.last_match(2)

+          when "World-wide Name" then disk[:wwn] = Regexp.last_match(2)

           when "Total Size" then disk[:size] = memory_to_disk_size(Regexp.last_match(2))
           when "Total Size" then disk[:size] = memory_to_disk_size(Regexp.last_match(2))

+          when "Size" then disk[:size] = memory_to_disk_size(Regexp.last_match(2))

           end
           end

-        elsif array && line =~ / Present \(Controller:\d+,Connector:(\d+),Device:(\d+)\) /
-          array[:disks] << "Connector #{Regexp.last_match(1)}, Device #{Regexp.last_match(2)}"
+        elsif array && line =~ / Present \(.*((?:Connector|Enclosure):\d+,\s*(?:Device|Slot):\d+)\) /
+          array[:disks] << Regexp.last_match(1).tr(":", " ").gsub(/,\s*/, ", ")

         elsif array && line =~ /^   (\S.*\S)\s*:\s+(\S.*\S)\s*$/
           case Regexp.last_match(1)
           when "RAID level" then array[:raid_level] = Regexp.last_match(2)
         elsif array && line =~ /^   (\S.*\S)\s*:\s+(\S.*\S)\s*$/
           case Regexp.last_match(1)
           when "RAID level" then array[:raid_level] = Regexp.last_match(2)

+          when "RAID Level" then array[:raid_level] = Regexp.last_match(2)

           when "Size" then array[:size] = memory_to_disk_size(Regexp.last_match(2))
           end
         elsif line =~ /^   (\S.*\S)\s*:\s+(\S.*\S)\s*$/
           when "Size" then array[:size] = memory_to_disk_size(Regexp.last_match(2))
           end
         elsif line =~ /^   (\S.*\S)\s*:\s+(\S.*\S)\s*$/


@@ -560,6 +662,8 @@ Ohai.plugin(:Hardware) do
           when "BIOS" then controller[:bios_version] = Regexp.last_match(2)
           when "Firmware" then controller[:firmware_version] = Regexp.last_match(2)
           end
           when "BIOS" then controller[:bios_version] = Regexp.last_match(2)
           when "Firmware" then controller[:firmware_version] = Regexp.last_match(2)
           end

+        elsif line =~ /^         Serial Number\s*:\s+(\S.*\S)\s*$/
+          controller[:serial_number] = Regexp.last_match(1)

         end
       end
 
         end
       end
 


@@ -695,6 +799,111 @@ Ohai.plugin(:Hardware) do
     end
   end
 
     end
   end
 

+  def lvm_devices
+    {
+      :pvs => find_lvm_pvs,
+      :vgs => find_lvm_vgs,
+      :lvs => find_lvm_lvs
+    }
+  end
+
+  def find_lvm_pvs
+    IO.popen(["pvdisplay", "-c"]).each_with_object({}) do |line, pvs|
+      fields = line.strip.split(":")
+
+      pvs[fields[0]] = {
+        :vg => fields[1],
+        :pv_size => fields[2],
+        :pv_status => fields[4],
+        :pe_size => fields[7],
+        :pe_total => fields[8],
+        :pe_free => fields[9],
+        :pe_allocated => fields[10],
+        :pv_uuid => fields[11]
+      }
+    end
+  end
+
+  def find_lvm_vgs
+    IO.popen(["vgdisplay", "-c"]).each_with_object({}) do |line, vgs|
+      fields = line.strip.split(":")
+
+      vgs[fields[0]] = {
+        :vg_access => fields[1],
+        :vg_status => fields[2],
+        :lv_maximum => fields[4],
+        :lv_count => fields[5],
+        :lv_open => fields[6],
+        :pv_maximum => fields[8],
+        :pv_current => fields[9],
+        :pv_actual => fields[10],
+        :vg_size => fields[11],
+        :pe_size => fields[12],
+        :pe_total => fields[13],
+        :pe_allocated => fields[14],
+        :pe_free => fields[15],
+        :vg_uuid => fields[16]
+      }
+    end
+  end
+
+  def find_lvm_lvs
+    IO.popen(["lvdisplay", "-c"]).each_with_object({}) do |line, lvs|
+      fields = line.strip.split(":")
+
+      lvs[fields[0]] = {
+        :vg => fields[1],
+        :lv_access => fields[2],
+        :lv_status => fields[3],
+        :lv_open => fields[5],
+        :lv_size => fields[6],
+        :le_count => fields[7],
+        :lv_minor => fields[11],
+        :lv_major => fields[12]
+      }
+    end
+  end
+
+  def psu_devices
+    devices = {}
+    device = nil
+
+    IO.popen(["dmidecode", "-t", "39"]).each_with_object([]) do |line, devices|
+      if line =~ /^System Power Supply\s*$/
+        device = {}
+      elsif device && line =~ /^\s+([A-Z ]+):\s+(.*)\s*$/i
+        device[Regexp.last_match(1).tr(" ", "_").downcase.to_sym] = Regexp.last_match(2).strip
+      elsif device && line =~ /^\s*$/
+        devices << device
+        device = nil
+      end
+    end
+
+    devices
+  end
+
+  def mc_device
+    device = {}
+
+    IO.popen(["ipmitool", "mc", "info"]).each_with_object([]) do |line, devices|
+      if line =~ /(Manufacturer [A-Z ]+[A-Z])\s*:\s+(.*\S)\s+\(.*\)\s*$/i
+        device[Regexp.last_match(1).tr(" ", "_").downcase.to_sym] = Regexp.last_match(2)
+      elsif line =~ /(Product [A-Z ]+[A-Z])\s*:\s+(.*\S)\s+\(.*\)\s*$/i
+        device[Regexp.last_match(1).tr(" ", "_").downcase.to_sym] = Regexp.last_match(2)
+      elsif line =~ /([A-Z ]+[A-Z])\s*:\s+(.*\S)\s*$/i
+        device[Regexp.last_match(1).tr(" ", "_").downcase.to_sym] = Regexp.last_match(2)
+      end
+    end
+
+    IO.popen(["ipmitool", "mc", "guid"]).each_with_object([]) do |line, devices|
+      if line =~ /^System GUID\s*:\s+(\S+)\s*$/
+        device[:system_guid] = Regexp.last_match(1)
+      end
+    end
+
+    device
+  end
+

   collect_data(:default) do
     hardware Mash.new
 
   collect_data(:default) do
     hardware Mash.new
 


@@ -702,5 +911,8 @@ Ohai.plugin(:Hardware) do
     hardware[:network] = network_devices
     hardware[:memory] = memory_devices
     hardware[:disk] = disk_devices
     hardware[:network] = network_devices
     hardware[:memory] = memory_devices
     hardware[:disk] = disk_devices

+    hardware[:lvm] = lvm_devices
+    hardware[:psu] = psu_devices
+    hardware[:mc] = mc_device

   end
 end
   end
 end