| # -- coding: utf-8 -- |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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 os |
| from ipaddress import * |
| |
| |
| def macdevice_map(): |
| device_map = {} |
| for eth in os.listdir('/sys/class/net'): |
| if not eth.startswith('eth'): |
| continue |
| with open('/sys/class/net/%s/address' % eth) as f: |
| mac_address = f.read().replace('\n', '') |
| device_map[mac_address] = eth[3:] |
| return device_map |
| |
| |
| def merge(dbag, ip): |
| nic_dev_id = None |
| for dev in dbag: |
| if dev == "id": |
| continue |
| for address in dbag[dev]: |
| if address['public_ip'] == ip['public_ip']: |
| if 'nic_dev_id' in address: |
| nic_dev_id = address['nic_dev_id'] |
| dbag[dev].remove(address) |
| |
| # we are passing and must allow for host bits so strict is False |
| ipo = ip_network(ip['public_ip'] + '/' + ip['netmask'], |
| strict=False) |
| if 'nic_dev_id' in ip: |
| nic_dev_id = ip['nic_dev_id'] |
| if 'vif_mac_address' in ip: |
| mac_address = ip['vif_mac_address'] |
| device_map = macdevice_map() |
| if mac_address in device_map: |
| nic_dev_id = device_map[mac_address] |
| ip['device'] = 'eth' + str(nic_dev_id) |
| ip['broadcast'] = str(ipo.broadcast_address) |
| ip['cidr'] = str(ipo.network_address) + '/' + str(ipo.prefixlen) |
| ip['size'] = str(ipo.prefixlen) |
| ip['network'] = str(ipo.compressed) |
| if 'nw_type' not in list(ip.keys()): |
| ip['nw_type'] = 'public' |
| else: |
| ip['nw_type'] = ip['nw_type'].lower() |
| if ip['nw_type'] == 'control': |
| dbag[ip['device']] = [ip] |
| else: |
| if 'source_nat' in ip and ip['source_nat'] and ip['device'] in dbag and len(dbag[ip['device']]) > 0: |
| dbag[ip['device']].insert(0, ip) # Make sure the source_nat ip is first (primary) on the device |
| else: |
| dbag.setdefault(ip['device'], []).append(ip) |
| |
| return dbag |
