old_contents: #!/usr/bin/env python
  import maas_common
  
  
  def get_value(path):
      with open(path) as f:
          value = f.read()
      return value.strip()
  
  
  def get_metrics():
      metrics = {
          'nf_conntrack_count': {
              'path': '/proc/sys/net/netfilter/nf_conntrack_count'},
          'nf_conntrack_max': {
              'path': '/proc/sys/net/netfilter/nf_conntrack_max'}}
  
      for data in metrics.viewvalues():
          data['value'] = get_value(data['path'])
  
      return metrics
  
  
  def main():
      metrics = get_metrics()
      maas_common.status_ok()
      for name, data in metrics.viewitems():
          maas_common.metric(name, 'uint32', data['value'])
  
  
  if __name__ == '__main__':
      with maas_common.print_output():
          main()
  
new_contents: #!/usr/bin/env python
  
  # Copyright 2015, Rackspace US, Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import maas_common
  
  
  def get_value(path):
      with open(path) as f:
          value = f.read()
      return value.strip()
  
  
  def get_metrics():
      metrics = {
          'nf_conntrack_count': {
              'path': '/proc/sys/net/netfilter/nf_conntrack_count'},
          'nf_conntrack_max': {
              'path': '/proc/sys/net/netfilter/nf_conntrack_max'}}
  
      for data in metrics.viewvalues():
          data['value'] = get_value(data['path'])
  
      return metrics
  
  
  def main():
      metrics = get_metrics()
      maas_common.status_ok()
      for name, data in metrics.viewitems():
          maas_common.metric(name, 'uint32', data['value'])
  
  
  if __name__ == '__main__':
      with maas_common.print_output():
          main()
  
subject: Add copyright notice to conntrack_count.py