Module: OvfConfig

Defined in:
lib/metadata/VmConfig/ovfConfig.rb

Instance Method Summary collapse

Instance Method Details

#add_item(var, value) ⇒ Object 



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# File 'lib/metadata/VmConfig/ovfConfig.rb', line 91

def add_item(var, value)
  @convertText += "#{var} = \"#{value}\"\n"
end

#convert(filename) ⇒ Object 



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# File 'lib/metadata/VmConfig/ovfConfig.rb', line 5

def convert(filename)
  @convertText = ""

  xml = MiqXml.loadFile(filename)

  content_node = xml.find_first("//Content")
  @vendor_string = content_node.find_first("Section/System/vssd:VirtualSystemType")

  set_node_value(content_node, 'displayName', 'Name')
  set_node_value(content_node, 'guestOS',     "Section[@xsi:type='ovf:OperatingSystemSection_Type']/Description")

  # MEMORY_RESOURCE_ID = 4
  set_node_value(content_node, 'memsize', "Section[@xsi:type='ovf:VirtualHardwareSection_Type']/Item[rasd:ResourceType=4]/rasd:VirtualQuantity")

  # CPU_RESOURCE_ID = 3
  node = content_node.find_first("Section[@xsi:type='ovf:VirtualHardwareSection_Type']/Item[rasd:ResourceType=3]")
  unless node.nil?
    cpu_per_socket = set_node_value(content_node, 'cpuid.coresPerSocket',     "Section[@xsi:type='ovf:VirtualHardwareSection_Type']/Item[rasd:ResourceType=3]/rasd:cpu_per_socket")
    cpu_per_socket = 1 if cpu_per_socket.nil?

    num_of_sockets = 1
    socket_node = content_node.find_first("Section[@xsi:type='ovf:VirtualHardwareSection_Type']/Item[rasd:ResourceType=3]/rasd:num_of_sockets")
    num_of_sockets = socket_node.text unless socket_node.nil?

    add_item('numvcpus', num_of_sockets.to_i * cpu_per_socket.to_i)
  end

  disks = parse_disks(xml)
  disks.each_with_index do |disk, idx|
    add_item("scsi0:#{idx}.fileName", disk[:filename])
  end

  @convertText
end

#parse_disks(xml) ⇒ Object 



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# File 'lib/metadata/VmConfig/ovfConfig.rb', line 40

def parse_disks(xml)
  dh = {}
  end_disks = []

  # DISK_RESOURCE_ID = 17
  xml.find_each("//Section[@xsi:type='ovf:VirtualHardwareSection_Type']/Item[rasd:ResourceType=17]") do |node|
    d = {}
    node.each_element { |prop| d[prop.name.to_sym] = prop.text }
    dh[d[:InstanceId]] = d
  end

  # Setup parent relationship
  dh.each do |_d_ref, d|
    parent = dh[d[:Parent]]
    unless parent.nil?
      d[:parent] = parent
      (parent[:children] ||= []) << d
    end
  end

  dh.each { |_d_ref, d| end_disks << d if d[:children].blank? }
  end_disks.sort! { |a, b| b[:Caption] <=> a[:Caption] }

  end_disks.each do |d|
    d[:filename] = d[:InstanceId]

    # Check if the disk is in the same directory as the OVF file
    if @direct_file_access
      test_filename = File.join(@configPath, d[:InstanceId])
      next if File.exist?(test_filename)
    end

    unless d[:StoragePoolId].blank? || d[:StorageId].blank? || d[:HostResource].blank?
      d[:filename] = "/rhev/data-center/#{d[:StoragePoolId]}/#{d[:StorageId]}/images/#{d[:HostResource]}"
      d[:filename] = File.join($rhevm_mount_root, d[:filename]) unless $rhevm_mount_root.blank?
    end
  end

  end_disks
end

#set_node_value(start_node, config_name, xpath) ⇒ Object 



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# File 'lib/metadata/VmConfig/ovfConfig.rb', line 81

def set_node_value(start_node, config_name, xpath)
  value = nil
  node = start_node.find_first(xpath)
  unless node.nil?
    value = node.text
    add_item(config_name, value)
  end
  value
end

#vendor ⇒ Object 



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# File 'lib/metadata/VmConfig/ovfConfig.rb', line 95

def vendor
  vendor_str = @vendor_string.to_s.downcase
  return "rhevm" if vendor_str.include?('rhevm')
  vendor_str
end