Module: VmxConfig

Included in:
VmtxConfig
Defined in:
lib/metadata/VmConfig/vmxConfig.rb

Instance Method Summary collapse

Instance Method Details

#convert(filename) ⇒ Object 



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# File 'lib/metadata/VmConfig/vmxConfig.rb', line 4

def convert(filename)
  # $log.debug "Processing VMware Configuration file [#{filename}]"
  fileData = File.read(filename)

  # Append the .vmsd file data.  Centralized file for storing information and metadata about snapshots.
  begin
    f = nil
    vmsd_filename = File.join(File.dirname(filename), File.basename(filename, ".*") + ".vmsd")
    f = File.open(vmsd_filename)
    fileData << convert_vmsd(f)
  rescue
  ensure
    f.close if f
  end
  fileData
end

#convert_vmsd(f) ⇒ Object 



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# File 'lib/metadata/VmConfig/vmxConfig.rb', line 21

def convert_vmsd(f)
  # Only read the enabled snapshots from the file and ignore the rest
  numSnapshots = timeHigh = timeLow = nil
  knownSnapshots = []
  fileData = ""

  # First we need to find how many snapshots
  f.each_line do |line|
    # After that keep reading, but only store up to that many snapshots from the file
    if line =~ /numSnapshots = "(\d+)"/
      numSnapshots = $1.to_i
      break
    end
  end

  f.each_line do |line|
    if line =~ /^snapshot(\d+)/
      lastReadSnapshot = $1.to_i
      unless knownSnapshots.include?(lastReadSnapshot)
        next if knownSnapshots.length == numSnapshots
        knownSnapshots << lastReadSnapshot
      end

      # Check for createTimeHigh and createTimeLow and convert them
      #   The pack/unpack is needed so that the negative numbers get converted correctly
      skipLine = false

      if line =~ /createTimeHigh = \"(-?\d+)\"/
        timeHigh = [$1.to_i].pack('L').unpack('L')[0] << 32
        skipLine = true
      end

      if line =~ /createTimeLow = \"(-?\d+)\"/
        timeLow = [$1.to_i].pack('L').unpack('L')[0]
        skipLine = true
      end

      if timeHigh && timeLow
        begin
          create_time = Time.at(((timeHigh + timeLow) / 1000000.0)).getutc.iso8601(6)
          fileData << "snapshot#{lastReadSnapshot}.create_time = \"#{create_time}\"\n"
        rescue
        end
        timeHigh = timeLow = nil
      end

      next if skipLine
    end

    fileData << line
  end
  fileData
end

#diskAttribute(filename, attr) ⇒ Object 



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# File 'lib/metadata/VmConfig/vmxConfig.rb', line 83

def diskAttribute(filename, attr)
  f = File.join(@configPath, filename)
  retVal = getDiskAttribute(f, attr)

  # If we are uable to get the data from the disk, check if this is
  # a snapshot disk and try to look at the base disk.
  if retVal.nil? && isSnapshotDisk(f)
    bf = getBaseDiskName(f)
    retVal = getDiskAttribute(bf, attr)
  end

  retVal
end

#diskControllerType(filename) ⇒ Object 



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# File 'lib/metadata/VmConfig/vmxConfig.rb', line 79

def diskControllerType(filename)
  diskAttribute(filename, "adaptertype")
end

#diskCreateType(filename) ⇒ Object 



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# File 'lib/metadata/VmConfig/vmxConfig.rb', line 75

def diskCreateType(filename)
  diskAttribute(filename, "createtype")
end

#getBaseDiskName(filename) ⇒ Object 



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# File 'lib/metadata/VmConfig/vmxConfig.rb', line 117

def getBaseDiskName(filename)
  fn = File.basename(filename, File.extname(filename))
  if fn[-7, 1] == "-" && !fn[-6..-1].to_i.zero?
    return File.join(File.dirname(filename), fn[0...-7] + File.extname(filename))
  else
    return filename
  end
end

#getDiskAttribute(filename, attr) ⇒ Object 



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# File 'lib/metadata/VmConfig/vmxConfig.rb', line 97

def getDiskAttribute(filename, attr)
  retVal = nil
  begin
    if File.exist?(filename)
      File.read(filename, 2048).each_line do |line|
        if line.downcase.include?(attr)
          retVal = line.split("=")[1].strip.tr("\"", "")
          break
        end
      end
    end
  rescue
  end
  retVal
end

#getScsiType ⇒ Object 



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# File 'lib/metadata/VmConfig/vmxConfig.rb', line 135

def getScsiType
  # scsiType = "lsilogic"
  scsiType = nil
  # Check scsi 0 to 3 for the Virtual Dev scsi value
  0.upto(3) do |i|
    if @cfgHash["scsi#{i}.virtualdev"]
      stype = @cfgHash["scsi#{i}.virtualdev"]
      scsiType = stype if ["lsilogic", "buslogic"].include?(stype.downcase)
      break
    end
  end

  # If we did not find the type on the adapter check the disks
  if scsiType.nil?
    type = @cfgHash.each_pair do |k, v|
      # Look for any disk with the adapterType set
      break(v) if k.downcase.include?("adaptertype") && ["lsilogic", "buslogic"].include?(v.downcase)
    end
    scsiType = type if type.kind_of?(String)
  end
  return "lsilogic" if scsiType.nil?
  scsiType
end

#getVmType ⇒ Object 



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# File 'lib/metadata/VmConfig/vmxConfig.rb', line 126

def getVmType
  type = @cfgHash.each_pair do |k, v|
    # Look for any disk with the create type of vmfs
    break(v) if k.downcase.include?("createtype") && v[0..3].downcase === "vmfs"
  end
  return "ESX" if type.kind_of?(String) && type[0..3].downcase == "vmfs"
  "Server"
end

#isSnapshotDisk(filename) ⇒ Object 



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# File 'lib/metadata/VmConfig/vmxConfig.rb', line 113

def isSnapshotDisk(filename)
  getBaseDiskName(filename) != filename
end

#vendor ⇒ Object 



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# File 'lib/metadata/VmConfig/vmxConfig.rb', line 159

def vendor
  "vmware"
end