self.volume_id

in ebs/libraries/ebs_volume.rb [16:55]

• 21 lines of code
• 5 McCabe index (conditional complexity)

  def self.volume_id(device_name)
    if self.has_ebs_tooling?
      cmd = Mixlib::ShellOut.new("/sbin/ebsnvme-id #{device_name}")
      cmd.run_command

      if !Array(cmd.valid_exit_codes).include?(cmd.exitstatus)
        if cmd.stderr =~ /Not an EBS device/
          return nil
        else
          cmd.error!
        end
      end

      
      
      
      cmd.stdout.lines.first.split(':')[1].strip
    else
      cmd = Mixlib::ShellOut.new("/usr/sbin/nvme id-ctrl #{device_name}")
      cmd.run_command
      cmd.error!

      
      
      
      
      
      
      
      
      
      
      map = Hash[cmd.stdout.lines.map { |l| l.split(':', 2).map(&:strip) }]

      return nil unless /Amazon Elastic Block/.match(map["mn"])

      map["sn"].gsub(/^vol/, "vol-")
    end
  end