Method: NewRelic::Agent::SystemInfo.boot_id

Defined in:
lib/new_relic/agent/system_info.rb

.boot_id ⇒ Object

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# File 'lib/new_relic/agent/system_info.rb', line 324

def self.boot_id
  return nil unless linux?

  if bid = proc_try_read('/proc/sys/kernel/random/boot_id')
    bid.chomp!

    if bid.ascii_only?
      if bid.empty?
        ::NewRelic::Agent.logger.debug('boot_id not found in /proc/sys/kernel/random/boot_id')
        ::NewRelic::Agent.increment_metric('Supportability/utilization/boot_id/error')
        nil

      elsif bid.bytesize == 36
        bid

      else
        ::NewRelic::Agent.logger.debug("Found boot_id with invalid length: #{bid}")
        ::NewRelic::Agent.increment_metric('Supportability/utilization/boot_id/error')
        bid[0, 128]

      end
    else
      ::NewRelic::Agent.logger.debug("Found boot_id with non-ASCII characters: #{bid}")
      ::NewRelic::Agent.increment_metric('Supportability/utilization/boot_id/error')
      nil

    end
  else
    ::NewRelic::Agent.logger.debug('boot_id not found in /proc/sys/kernel/random/boot_id')
    ::NewRelic::Agent.increment_metric('Supportability/utilization/boot_id/error')
    nil

  end
end