cookbooks/hardware/templates/default/ohai.rb.erb

   1 require "pathname"
   2
   3 Ohai.plugin(:Hardware) do
   4   provides "hardware"
   5
   6   def read_sysctl_link(file)
   7     File.basename(File.readlink(file))
   8   rescue Errno::ENOENT, Errno::ENOTDIR
   9   end
  10
  11   def read_sysctl_file(file)
  12     IO.read(file).strip
  13   rescue Errno::ENOENT, Errno::ENOTDIR, Errno::EINVAL
  14   end
  15
  16   def parse_memory_size(size)
  17     if size =~ /^(\d+(?:\.\d+)?)\s*TB/i
  18       Regexp.last_match(1).to_f * 2**30
  19     elsif size =~ /^(\d+(?:\.\d+)?)\s*GB/i
  20       Regexp.last_match(1).to_f * 2**20
  21     elsif size =~ /^(\d+(?:\.\d+)?)\s*MB/i
  22       Regexp.last_match(1).to_f * 2**10
  23     end
  24   end
  25
  26   def format_disk_size(kb)
  27     if kb == 0
  28       ""
  29     else
  30       kblog10 = Math.log10(kb).floor
  31
  32       kb = kb.to_f * 2 / 10**kblog10
  33       kb = kb.round.to_f / 2
  34
  35       if kblog10 >= 9
  36         format "%gTB", kb * 10**(kblog10 - 9)
  37       elsif kblog10 >= 6
  38         format "%dGB", kb * 10**(kblog10 - 6)
  39       else
  40         format "%dMB", kb * 10**(kblog10 - 3)
  41       end
  42     end
  43   end
  44
  45   def memory_to_disk_size(size)
  46     format_disk_size(parse_memory_size(size))
  47   end
  48
  49   def find_sas_device(address)
  50     file = Dir.glob("/sys/class/scsi_generic/sg*/device/sas_address").find do |file|
  51       read_sysctl_file(file) == "0x#{address}"
  52     end
  53
  54     if file
  55       dir = File.dirname(file)
  56       device = Dir.glob("#{dir}/block/*").first ||
  57                Dir.glob("#{dir}/scsi_generic/*").first
  58
  59       "/dev/#{File.basename(device)}"
  60     end
  61   end
  62
  63   def pci_devices
  64     devices = {}
  65     device = nil
  66
  67     IO.popen(["lspci", "-Dkvmm"]).each do |line|
  68       if line =~ /^Slot:\s+((\h{4}):(\h{2}):(\h{2}).(\h))\s*$/
  69         device = {
  70           :slot => Regexp.last_match(1),
  71           :domain => Regexp.last_match(2),
  72           :bus => Regexp.last_match(3),
  73           :device => Regexp.last_match(4),
  74           :function => Regexp.last_match(5)
  75         }
  76       elsif device && line =~ /^([A-Z]+):\s+(.*)\s*$/i
  77         case Regexp.last_match(1)
  78         when "Class" then device[:class_name] = Regexp.last_match(2)
  79         when "Vendor" then device[:vendor_name] = Regexp.last_match(2)
  80         when "Device" then device[:device_name] = Regexp.last_match(2)
  81         when "SVendor" then device[:subsystem_vendor_name] = Regexp.last_match(2)
  82         when "SDevice" then device[:subsystem_device_name] = Regexp.last_match(2)
  83         when "PhySlot" then device[:physical_slot] = Regexp.last_match(2)
  84         when "Rev" then device[:revision] = Regexp.last_match(2)
  85         when "ProgIf" then device[:programming_interface] = Regexp.last_match(2)
  86         when "Driver" then device[:driver] = Regexp.last_match(2)
  87         when "Module" then device[:modules] = Array(device[:modules]) << Regexp.last_match(2)
  88         end
  89       elsif device && line =~ /^\s*$/
  90         devices[device[:slot]] = device
  91         device = nil
  92       end
  93     end
  94
  95     IO.popen(["lspci", "-Dkvmmn"]).each do |line|
  96       if line =~ /^Slot:\s+((\h{4}):(\h{2}):(\h{2}).(\h))\s*$/
  97         device = devices[Regexp.last_match(1)]
  98       elsif device && line =~ /^([A-Z]+):\s+(.*)\s*$/i
  99         case Regexp.last_match(1)
 100         when "Class" then device[:class_id] = Regexp.last_match(2)
 101         when "Vendor" then device[:vendor_id] = Regexp.last_match(2)
 102         when "Device" then device[:device_id] = Regexp.last_match(2)
 103         when "SVendor" then device[:subsystem_vendor_id] = Regexp.last_match(2)
 104         when "SDevice" then device[:subsystem_device_id] = Regexp.last_match(2)
 105         end
 106       elsif device && line =~ /^\s*$/
 107         device = nil
 108       end
 109     end
 110
 111     devices
 112   end
 113
 114   def network_devices
 115     Dir.glob("/sys/class/net/*").each_with_object(Mash.new) do |device, devices|
 116       name = File.basename(device)
 117
 118       devices[name] = {
 119         :device => read_sysctl_link("#{device}/device"),
 120         :duplex => read_sysctl_file("#{device}/duplex"),
 121         :speed => read_sysctl_file("#{device}/speed")
 122       }.delete_if { |_, v| v.nil? }
 123     end
 124   end
 125
 126   def memory_devices
 127     device = nil
 128
 129     IO.popen(["dmidecode", "-t", "memory"]).each_with_object([]) do |line, devices|
 130       if line =~ /^Memory Device\s*$/
 131         device = {}
 132       elsif device && line =~ /^\s+([A-Z ]+):\s+(.*)\s*$/i
 133         device[Regexp.last_match(1).tr(" ", "_").downcase.to_sym] = Regexp.last_match(2).strip
 134       elsif device && line =~ /^\s*$/
 135         devices << device
 136         device = nil
 137       end
 138     end
 139   end
 140
 141   def disk_devices
 142     disk = Mash.new
 143
 144     disk[:controllers] = []
 145     disk[:arrays] = []
 146     disk[:disks] = []
 147
 148     find_direct_disks(disk)
 149     find_nvme_disks(disk)
 150
 151     find_hp_disks(disk) if File.exist?("/usr/sbin/ssacli")
 152     find_megaraid_disks(disk) if File.exist?("/usr/sbin/megacli")
 153     find_mpt1_disks(disk) if File.exist?("/usr/sbin/lsiutil")
 154     find_mpt2_disks(disk) if File.exist?("/usr/sbin/sas2ircu")
 155     find_adaptec_disks(disk) if File.exist?("/usr/sbin/arcconf")
 156     find_areca_disks(disk) if File.exist?("/opt/areca/x86_64/cli64")
 157
 158     find_md_arrays(disk)
 159
 160     disk[:disks].each do |disk|
 161       if disk[:vendor] =~ /^(BTWA|CVPR|PHDV)/ && disk[:model] == "INTEL"
 162         disk[:model] = disk[:serial_number]
 163         disk[:serial_number] = disk[:vendor]
 164         disk[:vendor] = "INTEL"
 165       end
 166
 167       if disk[:vendor].nil? && disk[:model] =~ /^ATA\s+(.*)$/
 168         disk[:vendor] = "ATA"
 169         disk[:model] = Regexp.last_match(1)
 170       end
 171
 172       if disk[:vendor].nil? || disk[:vendor] == "ATA"
 173         if disk[:model] =~ /^(\S+)\s+(.*)$/
 174           disk[:vendor] = Regexp.last_match(1)
 175           disk[:model] = Regexp.last_match(2)
 176         elsif disk[:model] =~ /^ST/
 177           disk[:vendor] = "SEAGATE"
 178         elsif disk[:model] =~ /^C300-(.*)$/
 179           disk[:vendor] = "CRUCIAL"
 180           disk[:model] = Regexp.last_match(1)
 181         end
 182       end
 183
 184       disk[:model].sub!(/-.*$/, "") if disk[:model]
 185     end
 186
 187     disk
 188   end
 189
 190   def find_direct_disks(devices)
 191     Dir.glob("/sys/class/scsi_host/host*") do |host|
 192       driver = read_sysctl_file("#{host}/proc_name")
 193
 194       if %w(ahci mptsas sata_mv sata_nv).include?(driver)
 195         bus = host.sub("/sys/class/scsi_host/host", "")
 196
 197         Dir.glob("/sys/bus/scsi/devices/#{bus}:0:*").each do |device|
 198           next unless File.exist?("#{device}/scsi_disk")
 199
 200           block = Dir.glob("#{device}/block/*").first
 201           size = read_sysctl_file("#{block}/size").to_f / 2
 202
 203           devices[:disks] << {
 204             :id => devices[:disks].count,
 205             :device => "/dev/#{File.basename(block)}",
 206             :vendor => read_sysctl_file("#{device}/vendor"),
 207             :model => read_sysctl_file("#{device}/model"),
 208             :firmware_version => read_sysctl_file("#{device}/rev"),
 209             :size => format_disk_size(size),
 210             :arrays => []
 211           }
 212         end
 213       end
 214     end
 215   end
 216
 217   def find_nvme_disks(devices)
 218     Dir.glob("/sys/class/nvme/nvme*") do |device|
 219       controller = {
 220         :id => devices[:controllers].count,
 221         :pci_slot => File.basename(Pathname.new("#{device}/device").realpath),
 222         :arrays => [],
 223         :disks => []
 224       }
 225
 226       devices[:controllers] << controller
 227
 228       IO.popen(["lspci", "-Dkvmm", "-s", controller[:pci_slot]]).each do |line|
 229         if line =~ /^SVendor:\s+(\S.*\S)\s*$/
 230           controller[:vendor] = Regexp.last_match(1)
 231         elsif line =~ /^SDevice:\s+(\S.*\S)\s*$/
 232           controller[:model] = Regexp.last_match(1)
 233         end
 234       end
 235
 236       Dir.glob("#{device}/nvme*").each do |block|
 237         size = read_sysctl_file("#{block}/size").to_f / 2
 238
 239         disk = {
 240           :id => devices[:disks].count,
 241           :controller => controller[:id],
 242           :device => "/dev/#{File.basename(block)}",
 243           :vendor => controller[:vendor],
 244           :model => controller[:model],
 245           :size => format_disk_size(size),
 246           :arrays => []
 247         }
 248
 249         devices[:disks] << disk
 250         controller[:disks] << disk[:id]
 251       end
 252     end
 253   end
 254
 255   def find_md_arrays(devices)
 256     array = nil
 257
 258     File.new("/proc/mdstat", "r").each do |line|
 259       if line =~ /^(md\d+) : active raid(\d+)((?: (?:sd[a-z]\d*|nvme\d+n\d+(?:p\d+)?)\[\d+\](?:\([A-Z]\))*)+)$/
 260         array = {
 261           :id => devices[:arrays].count,
 262           :device => "/dev/#{Regexp.last_match(1)}",
 263           :status => "optimal",
 264           :raid_level => Regexp.last_match(2),
 265           :disks => []
 266         }
 267
 268         Regexp.last_match(3).split(" ").each do |member|
 269           if member =~ /^(sd[a-z]+|nvme\d+n\d+).*/
 270             device = Regexp.last_match(1)
 271
 272             if disk = devices[:disks].find { |d| d[:device] == "/dev/#{device}" }
 273               if member =~ /\(F\)/
 274                 disk[:status] = "failed"
 275               elsif member =~ /\(S\)/
 276                 disk[:status] = "hotspare"
 277               else
 278                 disk[:status] = "online"
 279               end
 280
 281               disk[:arrays] << array[:id]
 282               array[:disks] << disk[:id]
 283             end
 284           end
 285         end
 286
 287         devices[:arrays] << array
 288       elsif array && line =~ /^\s+(\d+) blocks.*(?:\[([U_]+)\])?/
 289         array[:size] = format_disk_size(Regexp.last_match(1).to_i)
 290         array[:status] = "degraded" if Regexp.last_match(2) =~ /_/
 291       elsif array && line =~ /^\s+\[.*\]\s+(\S+)\s+=/
 292         case Regexp.last_match(1)
 293         when "recovery" then array[:status] = "rebuilding"
 294         when "resync" then array[:status] = "rebuilding"
 295         when "checking" then array[:status] = "checking"
 296         end
 297       end
 298     end
 299   end
 300
 301   def find_hp_disks(devices)
 302     controllers = []
 303     disks = []
 304
 305     controller = nil
 306     array = nil
 307     disk = nil
 308
 309     IO.popen(%w(ssacli controller all show config detail)).each do |line|
 310       next unless line.valid_encoding?
 311
 312       if line =~ /^Smart (?:Array|HBA) (\S+) /
 313         controller = {
 314           :id => devices[:controllers].count,
 315           :type => "hp",
 316           :model => Regexp.last_match(1),
 317           :arrays => [],
 318           :disks => []
 319         }
 320
 321         devices[:controllers] << controller
 322
 323         controllers << controller
 324
 325         array = nil
 326         disk = nil
 327       elsif controller && line =~ /^   (\S.*):\s+(.*)$/
 328         case Regexp.last_match(1)
 329         when "Slot" then controller[:slot] = Regexp.last_match(2)
 330         when "Serial Number" then controller[:serial_number] = Regexp.last_match(2)
 331         when "Hardware Revision" then controller[:hardware_version] = Regexp.last_match(2)
 332         when "Firmware Version" then controller[:firmware_version] = Regexp.last_match(2)
 333         when "PCI Address (Domain:Bus:Device.Function)" then controller[:pci_slot] = Regexp.last_match(2)
 334         end
 335       elsif controller && line =~ /^      Logical Drive: (\d+)$/
 336         array = {
 337           :id => devices[:arrays].count,
 338           :controller => controller[:id],
 339           :number => Regexp.last_match(1),
 340           :disks => []
 341         }
 342
 343         devices[:arrays] << array
 344         controller[:arrays] << array[:id]
 345
 346         disk = nil
 347       elsif array && line =~ /^      physicaldrive (\S+)$/
 348         disk = {
 349           :id => devices[:disks].count,
 350           :controller => controller[:id],
 351           :arrays => [array[:id]],
 352           :location => Regexp.last_match(1)
 353         }
 354
 355         devices[:disks] << disk
 356         controller[:disks] << disk[:id]
 357         array[:disks] << disk[:id]
 358       elsif disk && line =~ /^         (\S[^:]+):\s+(.*\S)\s*$/
 359         case Regexp.last_match(1)
 360         when "Status" then disk[:status] = Regexp.last_match(2)
 361         when "Drive Type" then disk[:drive_type] = Regexp.last_match(2)
 362         when "Interface Type" then disk[:interface] = Regexp.last_match(2)
 363         when "Size" then disk[:size] = Regexp.last_match(2)
 364         when "Rotational Speed" then disk[:rpm] = Regexp.last_match(2)
 365         when "Firmware Revision" then disk[:firmware_version] = Regexp.last_match(2)
 366         when "Serial Number" then disk[:serial_number] = Regexp.last_match(2)
 367         when "Model" then disk[:model] = Regexp.last_match(2)
 368         end
 369       elsif array && line =~ /^         Status:\s+(.*\S)\s*$/
 370         case Regexp.last_match(1)
 371         when "OK" then array[:status] = "optimal"
 372         when "Interim Recovery Mode" then array[:status] = "degraded"
 373         else array[:status] = "unknown"
 374         end
 375       elsif array && line =~ /^         (\S[^:]+):\s+(.*\S)\s*$/
 376         case Regexp.last_match(1)
 377         when "Size" then array[:size] = Regexp.last_match(2)
 378         when "Fault Tolerance" then array[:raid_level] = Regexp.last_match(2)
 379         when "Status" then array[:status] = Regexp.last_match(2)
 380         when "Disk Name" then array[:device] = Regexp.last_match(2).strip
 381         when "Mount Points" then array[:mount_point] = Regexp.last_match(2).split.first
 382         when "Unique Identifier" then array[:wwn] = Regexp.last_match(2)
 383         end
 384       end
 385     end
 386
 387     controllers.each do |controller|
 388       slot = controller[:slot]
 389
 390       IO.popen(%W(ssacli controller slot=#{slot} pd all show status)).each do |line|
 391         if line =~ /^   physicaldrive (\S+) /
 392           disks << Regexp.last_match(1)
 393         end
 394       end
 395
 396       if device = Dir.glob("/sys/bus/pci/devices/#{controller[:pci_slot]}/cciss*").first
 397         controller[:device] = File.basename(device).sub(/^cciss(\d+)$/, "/dev/cciss/c\\1d0")
 398       elsif device = Dir.glob("/sys/bus/pci/devices/#{controller[:pci_slot]}/host*/target*:3:0/*:3:0:0/scsi_generic/sg*").first
 399         controller[:device] = "/dev/#{File.basename(device)}"
 400       elsif device = Dir.glob("/sys/bus/pci/devices/#{controller[:pci_slot]}/host*/target*:1:0/*:1:0:*/scsi_generic/sg*").first
 401         controller[:device] = "/dev/#{File.basename(device)}"
 402       end
 403     end
 404
 405     devices[:disks].each do |disk|
 406       disk[:smart_device] = "cciss,#{disks.find_index(disk[:location])}"
 407
 408       if disk[:status] == "Failed"
 409         disk[:status] = "failed"
 410       elsif disk[:status] == "Predictive Failure"
 411         disk[:status] = "failed"
 412       elsif disk[:status] == "OK" && disk[:drive_type] == "Data Drive"
 413         disk[:status] = "online"
 414       elsif disk[:status] == "OK" && disk[:drive_type] == "Spare Drive"
 415         disk[:status] = "hotspare"
 416       elsif disk[:status] == "OK" && disk[:drive_type] == "Unassigned Drive"
 417         disk[:status] = "unconfigured"
 418       else
 419         disk[:status] = "unknown"
 420       end
 421
 422       disk.delete(:drive_type)
 423     end
 424   end
 425
 426   def find_megaraid_disks(devices)
 427     controllers = []
 428     arrays = []
 429
 430     controller = nil
 431     array = nil
 432     disk = nil
 433
 434     IO.popen(%w(megacli -AdpGetPciInfo -aAll -NoLog)).each do |line|
 435       if line =~ /^PCI information for Controller (\d+)$/
 436         controller = {
 437           :id => devices[:controllers].count,
 438           :type => "megaraid",
 439           :arrays => [],
 440           :disks => []
 441         }
 442
 443         devices[:controllers] << controller
 444
 445         controllers << controller
 446       elsif line =~ /^Bus Number\s+:\s+([0-9a-f]+)$/i
 447         controller[:pci_slot] = format "0000:%02x", Integer("0x#{Regexp.last_match(1)}")
 448       elsif line =~ /^Device Number\s+:\s+([0-9a-f]+)$/i
 449         controller[:pci_slot] = format "%s:%02x", controller[:pci_slot], Integer("0x#{Regexp.last_match(1)}")
 450       elsif line =~ /^Function Number\s+:\s+([0-9a-f]+)$/i
 451         controller[:pci_slot] = format "%s.%01x", controller[:pci_slot], Integer("0x#{Regexp.last_match(1)}")
 452       end
 453     end
 454
 455     IO.popen(%w(megacli -AdpAllInfo -aAll -NoLog)).each do |line|
 456       if line =~ /^Adapter #(\d+)$/
 457         controller = controllers[Regexp.last_match(1).to_i]
 458       elsif line =~ /^(\S.*\S)\s*:\s+(\S.*)$/
 459         case Regexp.last_match(1)
 460         when "Product Name" then controller[:model] = Regexp.last_match(2)
 461         when "Serial No" then controller[:serial_number] = Regexp.last_match(2)
 462         when "FW Package Build" then controller[:firmware_version] = Regexp.last_match(2)
 463         end
 464       end
 465     end
 466
 467     IO.popen(%w(megacli -LdPdInfo -aAll -NoLog)).each do |line|
 468       if line =~ /^Adapter #(\d+)$/
 469         controller = controllers[Regexp.last_match(1).to_i]
 470       elsif controller && line =~ /^Virtual Drive: (\d+) \(Target Id: (\d+)\)$/
 471         pci_slot = controller[:pci_slot]
 472         target = Regexp.last_match(2)
 473         device = Dir.glob("/sys/bus/pci/devices/#{pci_slot}/host*/target*:2:#{target}/*:2:#{target}:0/block/*").first
 474
 475         array = {
 476           :id => devices[:arrays].count,
 477           :controller => controller[:id],
 478           :number => Regexp.last_match(1),
 479           :device => "/dev/#{File.basename(device)}",
 480           :disks => []
 481         }
 482
 483         devices[:arrays] << array
 484         controller[:arrays] << array[:id]
 485
 486         arrays << array
 487
 488         disk = nil
 489       elsif array && line =~ /^PD: (\d+) Information$/
 490         disk = {
 491           :id => devices[:disks].count,
 492           :controller => controller[:id],
 493           :arrays => [array[:id]]
 494         }
 495
 496         devices[:disks] << disk
 497         controller[:disks] << disk[:id]
 498         array[:disks] << disk[:id]
 499       elsif disk && line =~ /^Firmware state:\s+(.*\S),\s*(.*\S)\s*$/
 500         case Regexp.last_match(1)
 501         when "Unconfigured(good)" then disk[:status] = "unconfigured"
 502         when "Unconfigured(bad)" then disk[:status] = "unconfigured"
 503         when "Hotspare" then disk[:status] = "hotspare"
 504         when "Offline" then disk[:status] = "offline"
 505         when "Online" then disk[:status] = "online"
 506         when "Rebuild" then disk[:status] = "rebuilding"
 507         when "Failed" then disk[:status] = "failed"
 508         when "Copyback" then disk[:status] = "rebuilding"
 509         else disk[:status] = "unknown"
 510         end
 511         case Regexp.last_match(2)
 512         when "Spun Up" then disk[:state] = "spun_up"
 513         when "Spun down" then disk[:state] = "spun_down"
 514         else disk[:state] = "unknown"
 515         end
 516       elsif disk && line =~ /^(\S.*\S)\s*:\s+(\S.*)$/
 517         case Regexp.last_match(1)
 518         when "Device Id" then disk[:smart_device] = "megaraid,#{Regexp.last_match(2)}"
 519         when "WWN" then disk[:wwn] = Regexp.last_match(2)
 520         when "PD Type" then disk[:interface] = Regexp.last_match(2)
 521         when "Raw Size" then disk[:size] = memory_to_disk_size(Regexp.last_match(2).sub(/\s*\[.*\]$/, ""))
 522         when "Inquiry Data" then disk[:vendor], disk[:model], disk[:serial_number] = Regexp.last_match(2).split
 523         end
 524       elsif array && line =~ /^State\s*:\s+(.*\S)\s*$/
 525         case Regexp.last_match(1)
 526         when "Partially Degraded" then array[:status] = "degraded"
 527         when "Degraded" then array[:status] = "degraded"
 528         when "Optimal" then array[:status] = "optimal"
 529         when "Consistency Check" then array[:status] = "checking"
 530         when "Background Initialization" then array[:status] = "initialising"
 531         when "Initialization" then array[:status] = "initialising"
 532         when "Reconstruction" then array[:status] = "rebuilding"
 533         else array[:status] = "unknown"
 534         end
 535       elsif array && line =~ /^(\S.*\S)\s*:\s+(\S.*)$/
 536         case Regexp.last_match(1)
 537         when "RAID Level" then array[:raid_level] = Regexp.last_match(2).scan(/Primary-(\d+)/).first.first
 538         when "Size" then array[:size] = Regexp.last_match(2)
 539         end
 540       end
 541     end
 542
 543     IO.popen(%w(megacli -PDList -aAll -NoLog)).each do |line|
 544       if line =~ /^Adapter #(\d+)$/
 545         controller = controllers[Regexp.last_match(1).to_i]
 546       elsif controller && line =~ /^Enclosure Device ID: \d+$/
 547         disk = {
 548           :controller => controller[:id]
 549         }
 550       elsif disk && line =~ /^WWN:\s+(\S+)$/
 551         unless devices[:disks].find { |d| d[:wwn] == Regexp.last_match(1) }
 552           disk[:id] = devices[:disks].count
 553           disk[:wwn] = Regexp.last_match(1)
 554
 555           devices[:disks] << disk
 556         end
 557       elsif disk && line =~ /^Firmware state:\s+(.*\S),\s*(.*\S)\s*$/
 558         case Regexp.last_match(1)
 559         when "Unconfigured(good)" then disk[:status] = "unconfigured"
 560         when "Unconfigured(bad)" then disk[:status] = "unconfigured"
 561         when "Hotspare" then disk[:status] = "hotspare"
 562         when "Offline" then disk[:status] = "offline"
 563         when "Online" then disk[:status] = "online"
 564         when "Rebuild" then disk[:status] = "rebuilding"
 565         when "Failed" then disk[:status] = "failed"
 566         when "Copyback" then disk[:status] = "rebuilding"
 567         else disk[:status] = "unknown"
 568         end
 569         case Regexp.last_match(2)
 570         when "Spun Up" then disk[:state] = "spun_up"
 571         when "Spun down" then disk[:state] = "spun_down"
 572         else disk[:state] = "unknown"
 573         end
 574       elsif disk && line =~ /^(\S.*\S)\s*:\s+(\S.*)$/
 575         case Regexp.last_match(1)
 576         when "Device Id" then disk[:smart_device] = "megaraid,#{Regexp.last_match(2)}"
 577         when "PD Type" then disk[:interface] = Regexp.last_match(2)
 578         when "Raw Size" then disk[:size] = memory_to_disk_size(Regexp.last_match(2).sub(/\s*\[.*\]$/, ""))
 579         when "Inquiry Data" then disk[:vendor], disk[:model], disk[:serial_number] = Regexp.last_match(2).split
 580         end
 581       end
 582     end
 583
 584     controllers.each do |controller|
 585       if device = Dir.glob("/sys/bus/pci/devices/#{controller[:pci_slot]}/host*/target*:2:0/*/scsi_generic/sg*").first
 586         controller[:device] = "/dev/#{File.basename(device)}"
 587       end
 588     end
 589   end
 590
 591   def find_mpt1_disks(devices)
 592     controllers = []
 593     disks = []
 594
 595     controller = nil
 596
 597     IO.popen(%w(lsiutil -s)).each do |line|
 598       if line =~ /^\/proc\/mpt\/ioc(\d+)\s+LSI Logic\s+(\S+)\s+/
 599         controller = {
 600           :id => devices[:controllers].count,
 601           :type => "mpt1",
 602           :model => Regexp.last_match(1),
 603           :arrays => [],
 604           :disks => []
 605         }
 606
 607         controllers << controller
 608         devices[:controllers] << controller
 609       elsif line =~ /^\s+(\d+)\s+(\d+)\s+PhysDisk (\d+)\s+(\S+)\s+(\S+)\s+\d+\s+(\S+)\s+/
 610         disks[Regexp.last_match(3).to_i] = {
 611           :id => devices[:disks].count,
 612           :controller => controller[:id],
 613           :vendor => Regexp.last_match(4),
 614           :model => Regexp.last_match(5),
 615           :sas_address => Regexp.last_match(6),
 616           :arrays => []
 617         }
 618
 619         controller[:disks] << devices[:disks].count
 620         devices[:disks] << disks[Regexp.last_match(3).to_i]
 621       end
 622     end
 623
 624     controllers.each_with_index do |controller, index|
 625       port = index + 1
 626       array = nil
 627
 628       IO.popen(["lsiutil", "-p", port.to_s, "-a", "69,0"]).each do |line|
 629         if line =~ /^ (\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+RAID/
 630           seg = Regexp.last_match(1).to_i
 631           bus = Regexp.last_match(2).to_i
 632           dev = Regexp.last_match(3).to_i
 633           fun = Regexp.last_match(4).to_i
 634
 635           controller[:pci_slot] = sprintf("%04x:%02x:%02x.%01x", seg, bus, dev, fun)
 636         end
 637       end
 638
 639       IO.popen(["lsiutil", "-p", port.to_s, "-a", "21,1,0,0"]).each do |line|
 640         if line =~ /^Volume (\d+) is/
 641           array = {
 642             :id => devices[:arrays].count,
 643             :controller => controller[:id],
 644             :number => Regexp.last_match(1),
 645             :disks => []
 646           }
 647
 648           devices[:arrays] << array
 649           controller[:arrays] << array[:id]
 650         elsif line =~ /^  Member \d+ is PhysDisk (\d+) /
 651           array[:disks] << disks[Regexp.last_match(1).to_i][:id]
 652           disks[Regexp.last_match(1).to_i][:arrays] << array[:id]
 653         end
 654       end
 655     end
 656
 657     disks.each do |disk|
 658       slot = controllers[disk[:controller]][:pci_slot]
 659       sas_address = "0x#{disk[:sas_address]}"
 660
 661       Dir.glob("/sys/bus/pci/devices/#{slot}/host*/port-*:*/end_device-*:*/sas_device/end_device-*:*").each do |sas_device|
 662         if read_sysctl_file("#{sas_device}/sas_address") == sas_address
 663           if device = Dir.glob("#{sas_device}/device/target*:0:*/*:0:*:0/scsi_generic/sg*").first
 664             disk[:device] = "/dev/#{File.basename(device)}"
 665           end
 666         end
 667       end
 668     end
 669   end
 670
 671   def find_mpt2_disks(devices)
 672     controllers = []
 673
 674     IO.popen(%w(sas2ircu list)).each do |line|
 675       next unless line =~ /^\s+(\d+)\s+(\S+)\s+\h+h\s+\h+h\s+(\S+)\s+\h+h\s+\h+h\s*$/
 676       controllers[Regexp.last_match(1).to_i] = {
 677         :id => devices[:controllers].count,
 678         :type => "mpt2",
 679         :model => Regexp.last_match(2),
 680         :pci_slot => Regexp.last_match(3).sub(/^(\h{2})h:(\h{2})h:(\h{2})h:0(\h)h$/, "00\\1:\\2:\\3.\\4"),
 681         :arrays => [],
 682         :disks => []
 683       }
 684
 685       devices[:controllers] << controllers[Regexp.last_match(1).to_i]
 686     end
 687
 688     controllers.each_with_index do |controller, index|
 689       arrays = []
 690       disks = []
 691
 692       array = nil
 693       disk = nil
 694
 695       IO.popen(["sas2ircu", index.to_s, "display"]).each do |line|
 696         if line =~ /^IR volume (\d+)$/
 697           array = {
 698             :id => devices[:arrays].count,
 699             :controller => controller[:id],
 700             :number => Regexp.last_match(1),
 701             :disks => []
 702           }
 703
 704           devices[:arrays] << array
 705           controller[:arrays] << array[:id]
 706
 707           arrays << array
 708         elsif line =~ /^Device is a Hard disk$/
 709           disk = {
 710             :id => devices[:disks].count,
 711             :controller => controller[:id],
 712             :arrays => []
 713           }
 714
 715           devices[:disks] << disk
 716           controller[:disks] << disk[:id]
 717
 718           disks << disk
 719         elsif disk && line =~ /^  State\s+:\s+(.*\S)\s*$/
 720           Regexp.last_match(1).split(/,\s*/).each do |state|
 721             case state
 722             when "Online (ONL)" then disk[:status] = "online"
 723             when "Hot Spare (HSP)" then disk[:status] = "hotspare"
 724             when "Ready (RDY)" then disk[:status] = "unconfigured"
 725             when "Available (AVL)" then disk[:status] = "unconfigured"
 726             when "Failed (FLD)" then disk[:status] = "failed"
 727             when "Missing (MIS)" then disk[:status] = "missing"
 728             when "Standby (SBY)" then disk[:status] = "unconfigured"
 729             when "Out of Sync (OSY)" then disk[:status] = "degraded"
 730             when "Degraded (DGD)" then disk[:status] = "degraded"
 731             when "Rebuilding (RBLD)" then disk[:status] = "rebuilding"
 732             when "Optimal (OPT)" then disk[:status] = "online"
 733             else disk[:status] = "unknown"
 734             end
 735           end
 736         elsif disk && line =~ /^  (\S.*\S)\s+:\s+(.*\S)\s*$/
 737           case Regexp.last_match(1)
 738           when "Enclosure #" then disk[:location] = Regexp.last_match(2)
 739           when "Slot #" then disk[:location] = "#{disk[:location]}:#{Regexp.last_match(2)}"
 740           when "SAS Address" then disk[:device] = find_sas_device(Regexp.last_match(2).tr("-", ""))
 741           when "Size (in MB)/(in sectors)" then disk[:size] = memory_to_disk_size("#{Regexp.last_match(2).split('/').first} MB")
 742           when "Manufacturer" then disk[:vendor] = Regexp.last_match(2)
 743           when "Model Number" then disk[:model] = Regexp.last_match(2)
 744           when "Firmware Revision" then disk[:firmware_version] = Regexp.last_match(2)
 745           when "Serial Number" then disk[:serial_number] = Regexp.last_match(2)
 746           when "Protocol" then disk[:interface] = Regexp.last_match(2)
 747           end
 748         elsif array && line =~ /^  PHY\[\d+\] Enclosure#\/Slot#\s+:\s+(\d+:\d+)\s*$/
 749           array[:disks] << Regexp.last_match(1)
 750         elsif array && line =~ /^  Status of volume\s+:\s+(.*\S)\s*$/
 751           Regexp.last_match(1).split(/,\s*/).each do |state|
 752             case state
 753             when "Okay (OKY)" then array[:status] = "optimal"
 754             when "Degraded (DGD)" then array[:status] = "degraded"
 755             when "Failed (FLD)" then array[:status] = "failed"
 756             when "Missing (MIS)" then array[:status] = "missing"
 757             when "Initializing (INIT)" then array[:status] = "initialising"
 758             when "Online (ONL)" then array[:status] = "optimal"
 759             else array[:status] = "unknown"
 760             end
 761           end
 762         elsif array && line =~ /^  (\S.*\S)\s+:\s+(.*\S)\s*$/
 763           case Regexp.last_match(1)
 764           when "Volume wwid" then array[:device] = find_sas_device(Regexp.last_match(2))
 765           when "RAID level" then array[:raid_level] = Regexp.last_match(2).sub(/^RAID/, "")
 766           when "Size (in MB)" then array[:size] = "#{Regexp.last_match(2)} MB"
 767           end
 768         elsif line =~ /^  (\S.*\S)\s+:\s+(.*\S)\s*$/
 769           case Regexp.last_match(1)
 770           when "BIOS version" then controller[:bios_version] = Regexp.last_match(2)
 771           when "Firmware version" then controller[:firmware_version] = Regexp.last_match(2)
 772           end
 773         end
 774       end
 775
 776       arrays.each do |array|
 777         array[:disks].map! do |location|
 778           disk = disks.find { |disk| disk[:location] == location }
 779
 780           disk[:arrays] << array[:id]
 781           disk[:id]
 782         end
 783       end
 784     end
 785   end
 786
 787   def find_adaptec_disks(devices)
 788     controller_count = IO.popen(%w(arcconf getconfig 0)).first.scan(/^Controllers Found: (\d+)$/i).first.first.to_i
 789
 790     1.upto(controller_count).each do |controller_number|
 791       controller = {
 792         :id => devices[:controllers].count,
 793         :number => controller_number,
 794         :type => "adaptec",
 795         :arrays => [],
 796         :disks => []
 797       }
 798
 799       devices[:controllers] << controller
 800
 801       arrays = []
 802       disks = []
 803
 804       array = nil
 805       disk = nil
 806
 807       IO.popen(["arcconf", "getconfig", controller_number.to_s]).each do |line|
 808         if line =~ /^Logical Device Number (\d+)$/i
 809           array = {
 810             :id => devices[:arrays].count,
 811             :controller => controller[:id],
 812             :number => Regexp.last_match(1).to_i,
 813             :disks => []
 814           }
 815
 816           devices[:arrays] << array
 817           controller[:arrays] << array[:id]
 818
 819           arrays << array
 820         elsif line =~ /^      Device #(\d+)$/
 821           disk = nil
 822         elsif line =~ /^         Device is a Hard drive$/
 823           disk = {
 824             :id => devices[:disks].count,
 825             :controller => controller[:id],
 826             :arrays => []
 827           }
 828
 829           devices[:disks] << disk
 830           controller[:disks] << disk[:id]
 831
 832           disks << disk
 833         elsif disk && line =~ /^         Reported Channel,Device\(T:L\)\s*:\s+(\d+),(\d+)\(\d+:0\)\s*$/
 834           disk[:channel_number] = Regexp.last_match(1)
 835           disk[:device_number] = Regexp.last_match(2)
 836         elsif disk && line =~ /^         State\s*:\s+(\S.*\S)\s*$/
 837           case Regexp.last_match(1)
 838           when "Online" then disk[:status] = "online"
 839           when "Online (JBOD)" then disk[:status] = "online"
 840           when "Hot Spare" then disk[:status] = "hotspare"
 841           when "Ready" then disk[:status] = "unconfigured"
 842           when "Global Hot-Spare" then disk[:status] = "hostspare"
 843           when "Dedicated Hot-Spare" then disk[:status] = "hotspare"
 844           else disk[:status] = "unknown"
 845         end
 846         elsif disk && line =~ /^         (\S.*\S)\s*:\s+(\S.*\S)\s*$/
 847           case Regexp.last_match(1)
 848           when "Reported Location" then disk[:location] = Regexp.last_match(2)
 849           when "Vendor" then disk[:vendor] = Regexp.last_match(2)
 850           when "Model" then disk[:model] = Regexp.last_match(2)
 851           when "Firmware" then disk[:firmware_version] = Regexp.last_match(2)
 852           when "Serial number" then disk[:serial_number] = Regexp.last_match(2)
 853           when "Serial Number" then disk[:serial_number] = Regexp.last_match(2)
 854           when "World-wide name" then disk[:wwn] = Regexp.last_match(2)
 855           when "World-wide Name" then disk[:wwn] = Regexp.last_match(2)
 856           when "Total Size" then disk[:size] = memory_to_disk_size(Regexp.last_match(2))
 857           when "Size" then disk[:size] = memory_to_disk_size(Regexp.last_match(2))
 858           end
 859         elsif array && line =~ / Present \(.*((?:Connector|Enclosure):\d+,\s*(?:Device|Slot):\d+)\) /
 860           array[:disks] << Regexp.last_match(1).tr(":", " ").gsub(/,\s*/, ", ")
 861         elsif array && line =~ /^   Status of Logical Device\s*:\s+(\S.*\S)\s*$/
 862           case Regexp.last_match(1)
 863           when "Optimal" then array[:status] = "optimal"
 864           else array[:status] = "unknown"
 865         end
 866         elsif array && line =~ /^   (\S.*\S)\s*:\s+(\S.*\S)\s*$/
 867           case Regexp.last_match(1)
 868           when "RAID level" then array[:raid_level] = Regexp.last_match(2)
 869           when "RAID Level" then array[:raid_level] = Regexp.last_match(2)
 870           when "Size" then array[:size] = memory_to_disk_size(Regexp.last_match(2))
 871           end
 872         elsif line =~ /^   (\S.*\S)\s*:\s+(\S.*\S)\s*$/
 873           case Regexp.last_match(1)
 874           when "Controller Model" then controller[:model] = Regexp.last_match(2)
 875           when "Controller Serial Number" then controller[:serial_number] = Regexp.last_match(2)
 876           when "Controller World Wide Name" then controller[:wwn] = Regexp.last_match(2)
 877           when "BIOS" then controller[:bios_version] = Regexp.last_match(2)
 878           when "Firmware" then controller[:firmware_version] = Regexp.last_match(2)
 879           end
 880         elsif line =~ /^         Serial Number\s*:\s+(\S.*\S)\s*$/
 881           controller[:serial_number] = Regexp.last_match(1)
 882         end
 883       end
 884
 885       host = Dir.glob("/sys/class/scsi_host/host*").find do |host|
 886         read_sysctl_file("#{host}/serial_number") == controller[:serial_number]
 887       end
 888
 889       arrays.each do |array|
 890         array_number = array[:number]
 891         device = Dir.glob("#{host}/device/target*:0:#{array_number}/*:0:#{array_number}:0/block/*").first
 892
 893         array[:device] = "/dev/#{File.basename(device)}"
 894
 895         array[:disks].map! do |location|
 896           disk = disks.find { |disk| disk[:location] == location }
 897
 898           controller_number = controller[:number] - 1
 899           device_number = disk[:device_number]
 900
 901           disk[:device] = "/dev/#{File.basename(device)}"
 902           disk[:smart_device] = "aacraid,#{controller_number},0,#{device_number}"
 903
 904           disk[:arrays] << array[:id]
 905           disk[:id]
 906         end
 907       end
 908     end
 909   end
 910
 911   def find_areca_disks(devices)
 912     controller = {
 913       :id => devices[:controllers].count,
 914       :type => "areca",
 915       :arrays => [],
 916       :disks => []
 917     }
 918
 919     devices[:controllers] << controller
 920
 921     IO.popen(%w(/opt/areca/x86_64/cli64 sys info)).each do |line|
 922       next unless line =~ /^(\S.*\S)\s+:\s+(.*\S)\s*$/
 923
 924       case Regexp.last_match(1)
 925       when "Firmware Version" then controller[:firmware_version] = Regexp.last_match(2)
 926       when "BOOT ROM Version" then controller[:bios_version] = Regexp.last_match(2)
 927       when "Serial Number" then controller[:serial_number] = Regexp.last_match(2)
 928       when "Controller Name" then controller[:model] = Regexp.last_match(2)
 929       end
 930     end
 931
 932     path = Dir.glob("/sys/bus/pci/devices/*/host*/scsi_host/host*/host_fw_model").find do |file|
 933       read_sysctl_file(file) == controller[:model]
 934     end
 935
 936     controller[:pci_slot] = File.basename(File.expand_path("#{path}/../../../.."))
 937     controller[:device] = File.basename(Dir.glob(File.expand_path("#{path}/../../../target0:0:16/0:0:16:0/scsi_generic/*")).first)
 938
 939     arrays = []
 940
 941     IO.popen(%w(/opt/areca/x86_64/cli64 vsf info)).each do |line|
 942       next unless line =~ /^\s+(\d+)\s+/
 943       array = {
 944         :id => devices[:arrays].count,
 945         :number => Regexp.last_match(1),
 946         :controller => controller[:id],
 947         :disks => []
 948       }
 949
 950       devices[:arrays] << array
 951       controller[:arrays] << array[:id]
 952
 953       arrays << array
 954     end
 955
 956     arrays.each do |array|
 957       IO.popen(["/opt/areca/x86_64/cli64", "vsf", "info", "vol=#{array[:number]}"]).each do |line|
 958         if line =~ /^SCSI Ch\/Id\/Lun\s+:\s+(\d+)\/(\d+)\/(\d+)\s*$/
 959           pci_slot = controller[:pci_slot]
 960           channel = Regexp.last_match(1).to_i
 961           id = Regexp.last_match(2).to_i
 962           lun = Regexp.last_match(3).to_i
 963
 964           device = Dir.glob("/sys/bus/pci/devices/#{pci_slot}/host*/target*:0:0/0:#{channel}:#{id}:#{lun}/block/*").first
 965
 966           array[:device] = "/dev/#{File.basename(device)}"
 967         elsif line =~ /^Volume State\s+:\s+(.*\S)\s*$/
 968           case Regexp.last_match(1)
 969           when "Normal" then array[:status] = "optimal"
 970           else array[:status] = "unknown"
 971           end
 972         elsif line =~ /^(\S.*\S)\s+:\s+(.*\S)\s*$/
 973           case Regexp.last_match(1)
 974           when "Volume Set Name" then array[:volume_set] = Regexp.last_match(2)
 975           when "Raid Set Name" then array[:raid_set] = Regexp.last_match(2)
 976           when "Volume Capacity" then array[:size] = format_disk_size(Regexp.last_match(2).to_f * 1000 * 1000)
 977           when "Raid Level" then array[:raid_level] = Regexp.last_match(2).sub(/^Raid/, "")
 978           end
 979         end
 980       end
 981     end
 982
 983     disks = []
 984
 985     IO.popen(%w(/opt/areca/x86_64/cli64 disk info)).each do |line|
 986       next unless line =~ /^\s+(\d+)\s+.*\s+\d+\.\d+GB\s+(\S.*\S)\s*$/
 987       next if Regexp.last_match(2) == "N.A."
 988
 989       disk = {
 990         :id => devices[:disks].count,
 991         :number => Regexp.last_match(1),
 992         :controller => controller[:id],
 993         :arrays => []
 994       }
 995
 996       devices[:disks] << disk
 997       controller[:disks] << disk[:id]
 998
 999       if array = arrays.find { |array| array[:raid_set] == Regexp.last_match(2) }
1000         disk[:arrays] << array[:id]
1001         array[:disks] << disk[:id]
1002       end
1003
1004       disks << disk
1005     end
1006
1007     disks.each do |disk|
1008       IO.popen(["/opt/areca/x86_64/cli64", "disk", "info", "drv=#{disk[:number]}"]).each do |line|
1009         if line =~ /^IDE Channel\s+:\s+(\d+)\s*$/i
1010           disk[:smart_device] = "areca,#{Regexp.last_match(1)}"
1011         elsif line =~ /^Device Location\s+:\s+Enclosure#(\d+) Slot#?\s*0*(\d+)\s*$/i
1012           disk[:smart_device] = "areca,#{Regexp.last_match(2)}/#{Regexp.last_match(1)}"
1013         elsif line =~ /^Device State\s+:\s+(.*\S)\s*$/
1014           case Regexp.last_match(1)
1015           when "NORMAL" then disk[:status] = "online"
1016           else disk[:status] = "unknown"
1017           end
1018         elsif line =~ /^(\S.*\S)\s+:\s+(.*\S)\s*$/
1019           case Regexp.last_match(1)
1020           when "Model Name" then disk[:vendor], disk[:model] = Regexp.last_match(2).split
1021           when "Serial Number" then disk[:serial_number] = Regexp.last_match(2)
1022           when "Disk Capacity" then disk[:size] = format_disk_size(Regexp.last_match(2).to_f * 1000 * 1000)
1023           end
1024         end
1025       end
1026     end
1027   end
1028
1029   def lvm_devices
1030     {
1031       :pvs => find_lvm_pvs,
1032       :vgs => find_lvm_vgs,
1033       :lvs => find_lvm_lvs
1034     }
1035   end
1036
1037   def find_lvm_pvs
1038     IO.popen(["pvdisplay", "-c"]).each_with_object({}) do |line, pvs|
1039       fields = line.strip.split(":")
1040
1041       pvs[fields[0]] = {
1042         :vg => fields[1],
1043         :pv_size => fields[2],
1044         :pv_status => fields[4],
1045         :pe_size => fields[7],
1046         :pe_total => fields[8],
1047         :pe_free => fields[9],
1048         :pe_allocated => fields[10],
1049         :pv_uuid => fields[11]
1050       }
1051     end
1052   end
1053
1054   def find_lvm_vgs
1055     IO.popen(["vgdisplay", "-c"]).each_with_object({}) do |line, vgs|
1056       fields = line.strip.split(":")
1057
1058       vgs[fields[0]] = {
1059         :vg_access => fields[1],
1060         :vg_status => fields[2],
1061         :lv_maximum => fields[4],
1062         :lv_count => fields[5],
1063         :lv_open => fields[6],
1064         :pv_maximum => fields[8],
1065         :pv_current => fields[9],
1066         :pv_actual => fields[10],
1067         :vg_size => fields[11],
1068         :pe_size => fields[12],
1069         :pe_total => fields[13],
1070         :pe_allocated => fields[14],
1071         :pe_free => fields[15],
1072         :vg_uuid => fields[16]
1073       }
1074     end
1075   end
1076
1077   def find_lvm_lvs
1078     IO.popen(["lvdisplay", "-c"]).each_with_object({}) do |line, lvs|
1079       fields = line.strip.split(":")
1080
1081       lvs[fields[0]] = {
1082         :vg => fields[1],
1083         :lv_access => fields[2],
1084         :lv_status => fields[3],
1085         :lv_open => fields[5],
1086         :lv_size => fields[6],
1087         :le_count => fields[7],
1088         :lv_minor => fields[11],
1089         :lv_major => fields[12]
1090       }
1091     end
1092   end
1093
1094   def psu_devices
1095     device = nil
1096
1097     IO.popen(["dmidecode", "-t", "39"]).each_with_object([]) do |line, devices|
1098       if line =~ /^System Power Supply\s*$/
1099         device = {}
1100       elsif device && line =~ /^\s+([A-Z ]+):\s+(.*)\s*$/i
1101         device[Regexp.last_match(1).tr(" ", "_").downcase.to_sym] = Regexp.last_match(2).strip
1102       elsif device && line =~ /^\s*$/
1103         devices << device
1104         device = nil
1105       end
1106     end
1107   end
1108
1109   def mc_device
1110     device = {}
1111
1112     IO.popen(["ipmitool", "mc", "info"]).each_with_object([]) do |line, devices|
1113       if line =~ /(Manufacturer [A-Z ]+[A-Z])\s*:\s+(.*\S)\s+\(.*\)\s*$/i
1114         device[Regexp.last_match(1).tr(" ", "_").downcase.to_sym] = Regexp.last_match(2)
1115       elsif line =~ /(Product [A-Z ]+[A-Z])\s*:\s+(.*\S)\s+\(.*\)\s*$/i
1116         device[Regexp.last_match(1).tr(" ", "_").downcase.to_sym] = Regexp.last_match(2)
1117       elsif line =~ /([A-Z ]+[A-Z])\s*:\s+(.*\S)\s*$/i
1118         device[Regexp.last_match(1).tr(" ", "_").downcase.to_sym] = Regexp.last_match(2)
1119       end
1120     end
1121
1122     IO.popen(["ipmitool", "mc", "guid"]).each_with_object([]) do |line, devices|
1123       if line =~ /^System GUID\s*:\s+(\S+)\s*$/
1124         device[:system_guid] = Regexp.last_match(1)
1125       end
1126     end
1127
1128     device
1129   end
1130
1131   collect_data(:default) do
1132     hardware Mash.new
1133
1134     hardware[:pci] = pci_devices
1135     hardware[:network] = network_devices
1136     hardware[:memory] = memory_devices
1137     hardware[:disk] = disk_devices
1138     hardware[:lvm] = lvm_devices
1139     hardware[:psu] = psu_devices
1140     hardware[:mc] = mc_device
1141   end
1142 end